<?xml version='1.0' encoding='utf-8'?>
<!--
This CellML file was generated on 22/09/2008 at 11:46:10 using:
COR (0.9.31.1033)
Copyright 2002-2008 Dr Alan Garny
http://COR.physiol.ox.ac.uk/ - COR@physiol.ox.ac.uk
CellML 1.0 was used to generate this model
http://www.CellML.org/
--><model xmlns="http://www.cellml.org/cellml/1.0#" xmlns:cmeta="http://www.cellml.org/metadata/1.0#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bqs="http://www.cellml.org/bqs/1.0#" xmlns:cellml="http://www.cellml.org/cellml/1.0#" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:vCard="http://www.w3.org/2001/vcard-rdf/3.0#" name="noble_2000b" cmeta:id="noble_2000b" xmlns:ns7="http://www.cellml.org/metadata/simulation/1.0#">
<documentation xmlns="http://cellml.org/tmp-documentation">
<article>
<articleinfo>
<title>A model of the guinea-pig ventricular cardiac myocyte incorporating a transverse-axial tubular system</title>
<author>
<firstname>Catherine</firstname>
<surname>Lloyd</surname>
<affiliation>
<shortaffil>Auckland Bioengineering Institute, The University of Auckland</shortaffil>
</affiliation>
</author>
</articleinfo>
<section id="sec_status">
<title>Model Status</title>
<para>
This CellML model is known to run in both COR and PCEnv to recreate the original results. The units have been checked and they are consistent. This particular version of the model has multiple stimuli between 200s and 600s.</para>
</section>
<sect1 id="sec_structure">
<title>Model Structure</title>
<para>This CellML model is a description of the Noble 2000 (N2K) guinea pig ventricular cell model. N2K is an updated version of the model published by Noble et al. in 1998, in which the voltage-sensitive L-type Ca2+ current (ICaL) and the Ca2+ dynamics have been refined.</para>
<para>
Noble, Carghese, Kohl and Noble's 1998 guinea pig ventricular cell model incorporates a diadic space, IKr and IKs currents, and length and tension dependent processes. To simulate multiple action potentials with this model the following integrator parameters must be used: max step size must be 0.001 or less, max point density must be 10,000 or more.</para>
<para>
The original 1998 paper reference is cited below:
</para>
<para>
Improved guinea-pig ventricular cell model incorporating a diadic space, I<subscript>Kr</subscript> and I<subscript>Ks</subscript>, and length- and tension-dependent processes, Denis Noble, Anthony Varghese, Peter Kohl and Penelope Noble, 1998,
<emphasis>Can J Cardiol</emphasis>
, 14, 123-134. <ulink url="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9487284&dopt=Abstract">PubMed ID: 9487284</ulink>
</para>
<para>
Paper reference is in which the current model is described:
</para>
<para>
Cellular Open Resource (COR): current status and future directions. Alan Garny, Denis Noble, Peter J. Hunter and Peter Kohl, 2009, <emphasis>Philisophical Transactions of the Royal Society</emphasis> (accepted)
</para>
<informalfigure float="0" id="fig_cell_diagram">
<mediaobject>
<imageobject>
<imagedata fileref="noble_1998.png"/>
</imageobject>
</mediaobject>
<caption>A schematic diagram describing the current flows across the cell membrane that are captured in the Noble'98 model.</caption>
</informalfigure>
</sect1>
</article>
</documentation>
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<ci>i_Ca_L_K_ds</ci>
<ci>i_b_Ca</ci>
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</apply>
</apply>
</math>
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<variable name="E_K" units="millivolt" public_interface="out"/>
<variable name="E_Ks" units="millivolt" public_interface="out"/>
<variable name="E_Ca" units="millivolt" public_interface="out"/>
<variable name="E_mh" units="millivolt" public_interface="out"/>
<variable name="P_kna" units="dimensionless" initial_value="0.03"/>
<variable name="K_o" units="millimolar" public_interface="in"/>
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<variable name="K_i" units="millimolar" public_interface="in"/>
<variable name="Na_i" units="millimolar" public_interface="in"/>
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<variable name="time" units="second" public_interface="in"/>
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<variable name="time" units="second" public_interface="in"/>
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<variable name="time" units="second" public_interface="in" private_interface="out"/>
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<ci>V</ci>
</apply>
<cn cellml:units="millivolt">45</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>xs</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_xs</ci>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>xs</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_xs</ci>
<ci>xs</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="fast_sodium_current">
<variable name="i_Na" units="nanoA" public_interface="out"/>
<variable name="g_Na" units="microS" initial_value="0.5"/>
<variable name="E_mh" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in" private_interface="out"/>
<variable name="V" units="millivolt" public_interface="in" private_interface="out"/>
<variable name="m" units="dimensionless" private_interface="in"/>
<variable name="h" units="dimensionless" private_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_Na</ci>
<apply>
<times/>
<ci>g_Na</ci>
<apply>
<power/>
<ci>m</ci>
<cn cellml:units="dimensionless">3</cn>
</apply>
<ci>h</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_mh</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="fast_sodium_current_m_gate">
<variable name="m" units="dimensionless" initial_value="0.0016111" public_interface="out"/>
<variable name="alpha_m" units="per_second"/>
<variable name="beta_m" units="per_second"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="delta_m" units="millivolt" initial_value="1e-5"/>
<variable name="E0_m" units="millivolt"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>E0_m</ci>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">41</cn>
</apply>
</apply>
<apply>
<eq/>
<ci>alpha_m</ci>
<piecewise>
<piece>
<cn cellml:units="per_second">2000</cn>
<apply>
<lt/>
<apply>
<abs/>
<ci>E0_m</ci>
</apply>
<ci>delta_m</ci>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="per_millivolt_second">200</cn>
<ci>E0_m</ci>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="per_millivolt">0.1</cn>
</apply>
<ci>E0_m</ci>
</apply>
</apply>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>beta_m</ci>
<apply>
<times/>
<cn cellml:units="per_second">8000</cn>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="per_millivolt">0.056</cn>
</apply>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">66</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>m</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_m</ci>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>m</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_m</ci>
<ci>m</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="fast_sodium_current_h_gate">
<variable name="h" units="dimensionless" initial_value="0.9944559" public_interface="out"/>
<variable name="alpha_h" units="per_second"/>
<variable name="beta_h" units="per_second"/>
<variable name="shift_h" units="millivolt" initial_value="0"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>alpha_h</ci>
<apply>
<times/>
<cn cellml:units="per_second">20</cn>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="per_millivolt">0.125</cn>
</apply>
<apply>
<minus/>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">75</cn>
</apply>
<ci>shift_h</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>beta_h</ci>
<apply>
<divide/>
<cn cellml:units="per_second">2000</cn>
<apply>
<plus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<times/>
<cn cellml:units="dimensionless">320</cn>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="per_millivolt">0.1</cn>
</apply>
<apply>
<minus/>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">75</cn>
</apply>
<ci>shift_h</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>h</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_h</ci>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>h</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_h</ci>
<ci>h</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="persistent_sodium_current">
<variable name="i_p_Na" units="nanoA" public_interface="out"/>
<variable name="g_pna" units="microS" initial_value="0.0027"/>
<variable name="E_Na" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="V" units="millivolt" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_p_Na</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>g_pna</ci>
<cn cellml:units="dimensionless">1</cn>
</apply>
<apply>
<plus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<minus/>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">52</cn>
</apply>
</apply>
<cn cellml:units="millivolt">8</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<ci>V</ci>
<ci>E_Na</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="sodium_background_current">
<variable name="i_b_Na" units="nanoA" public_interface="out"/>
<variable name="g_bna" units="microS" initial_value="0.0006"/>
<variable name="Na_i" units="millimolar" public_interface="in"/>
<variable name="E_Na" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="V" units="millivolt" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_b_Na</ci>
<apply>
<times/>
<ci>g_bna</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_Na</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="L_type_Ca_channel">
<variable name="i_Ca_L_Ca_cyt" units="nanoA" public_interface="out"/>
<variable name="i_Ca_L_K_cyt" units="nanoA" public_interface="out"/>
<variable name="i_Ca_L_Na_cyt" units="nanoA" public_interface="out"/>
<variable name="i_Ca_L_Ca_ds" units="nanoA" public_interface="out"/>
<variable name="i_Ca_L_K_ds" units="nanoA" public_interface="out"/>
<variable name="i_Ca_L_Na_ds" units="nanoA" public_interface="out"/>
<variable name="i_Ca_L" units="nanoA" public_interface="out"/>
<variable name="P_Ca_L" units="nanoA_per_millimolar" initial_value="1"/>
<variable name="P_CaK" units="dimensionless" initial_value="0.002"/>
<variable name="P_CaNa" units="dimensionless" initial_value="0.01"/>
<variable name="Ca_o" units="millimolar" public_interface="in"/>
<variable name="Ca_i" units="millimolar" public_interface="in" private_interface="out"/>
<variable name="Ca_ds" units="millimolar" public_interface="in" private_interface="out"/>
<variable name="K_o" units="millimolar" public_interface="in"/>
<variable name="K_i" units="millimolar" public_interface="in"/>
<variable name="Na_o" units="millimolar" public_interface="in"/>
<variable name="Na_i" units="millimolar" public_interface="in"/>
<variable name="R" units="joule_per_kilomole_kelvin" public_interface="in"/>
<variable name="F" units="coulomb_per_mole" public_interface="in"/>
<variable name="T" units="kelvin" public_interface="in"/>
<variable name="time" units="second" public_interface="in" private_interface="out"/>
<variable name="V" units="millivolt" public_interface="in" private_interface="out"/>
<variable name="d" units="dimensionless" private_interface="in"/>
<variable name="CaChoncyt" units="dimensionless" private_interface="in"/>
<variable name="CaChonds" units="dimensionless" private_interface="in"/>
<variable name="KCaChoff" units="millimolar" initial_value="0.01" private_interface="out"/>
<variable name="Kmdsinact" units="millimolar" initial_value="0.001" private_interface="out"/>
<variable name="FrICa" units="dimensionless" initial_value="0.7"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_Ca_L_Ca_cyt</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>FrICa</ci>
</apply>
<cn cellml:units="dimensionless">4</cn>
<ci>P_Ca_L</ci>
<ci>d</ci>
<ci>CaChoncyt</ci>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_i</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="millivolt">100</cn>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_Ca_L_K_cyt</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>FrICa</ci>
</apply>
<ci>P_CaK</ci>
<ci>P_Ca_L</ci>
<ci>d</ci>
<ci>CaChoncyt</ci>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>K_i</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="millivolt">50</cn>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>K_o</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_Ca_L_Na_cyt</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>FrICa</ci>
</apply>
<ci>P_CaNa</ci>
<ci>P_Ca_L</ci>
<ci>d</ci>
<ci>CaChoncyt</ci>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Na_i</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="millivolt">50</cn>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>Na_o</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_Ca_L_Ca_ds</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<divide/>
<apply>
<times/>
<ci>FrICa</ci>
<cn cellml:units="dimensionless">4</cn>
<ci>P_Ca_L</ci>
<ci>d</ci>
<ci>CaChonds</ci>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_i</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="millivolt">100</cn>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_Ca_L_K_ds</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<divide/>
<apply>
<times/>
<ci>FrICa</ci>
<ci>P_CaK</ci>
<ci>P_Ca_L</ci>
<ci>d</ci>
<ci>CaChonds</ci>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>K_i</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="millivolt">50</cn>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>K_o</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_Ca_L_Na_ds</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<divide/>
<apply>
<times/>
<ci>FrICa</ci>
<ci>P_CaNa</ci>
<ci>P_Ca_L</ci>
<ci>d</ci>
<ci>CaChonds</ci>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Na_i</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="millivolt">50</cn>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>Na_o</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_Ca_L</ci>
<apply>
<plus/>
<ci>i_Ca_L_Ca_cyt</ci>
<ci>i_Ca_L_K_cyt</ci>
<ci>i_Ca_L_Na_cyt</ci>
<ci>i_Ca_L_Ca_ds</ci>
<ci>i_Ca_L_K_ds</ci>
<ci>i_Ca_L_Na_ds</ci>
</apply>
</apply>
</math>
</component>
<component name="L_type_Ca_channel_d_gate">
<variable name="d" units="dimensionless" initial_value="0" public_interface="out"/>
<variable name="alpha_d" units="per_second"/>
<variable name="beta_d" units="per_second"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="E0_d" units="millivolt"/>
<variable name="speed_d" units="dimensionless" initial_value="3"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>E0_d</ci>
<apply>
<minus/>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">24</cn>
</apply>
<cn cellml:units="millivolt">5</cn>
</apply>
</apply>
<apply>
<eq/>
<ci>alpha_d</ci>
<piecewise>
<piece>
<cn cellml:units="per_second">120</cn>
<apply>
<lt/>
<apply>
<abs/>
<ci>E0_d</ci>
</apply>
<cn cellml:units="millivolt">0.0001</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="per_millivolt_second">30</cn>
<ci>E0_d</ci>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<minus/>
<ci>E0_d</ci>
</apply>
<cn cellml:units="millivolt">4</cn>
</apply>
</apply>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>beta_d</ci>
<piecewise>
<piece>
<cn cellml:units="per_second">120</cn>
<apply>
<lt/>
<apply>
<abs/>
<ci>E0_d</ci>
</apply>
<cn cellml:units="millivolt">0.0001</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="per_millivolt_second">12</cn>
<ci>E0_d</ci>
</apply>
<apply>
<minus/>
<apply>
<exp/>
<apply>
<divide/>
<ci>E0_d</ci>
<cn cellml:units="millivolt">10</cn>
</apply>
</apply>
<cn cellml:units="dimensionless">1</cn>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>d</ci>
</apply>
<apply>
<times/>
<ci>speed_d</ci>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_d</ci>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>d</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_d</ci>
<ci>d</ci>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="L_type_Ca_channel_f_gate">
<variable name="f" units="dimensionless" initial_value="0"/>
<variable name="CaChoncyt" units="dimensionless" public_interface="out"/>
<variable name="CaChonds" units="dimensionless" public_interface="out"/>
<variable name="CaChoffcyt" units="dimensionless"/>
<variable name="CaChoffds" units="dimensionless"/>
<variable name="alpha_f" units="per_second"/>
<variable name="beta_f" units="per_second"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="Ca_i" units="millimolar" public_interface="in"/>
<variable name="Ca_ds" units="millimolar" public_interface="in"/>
<variable name="KCaChoff" units="millimolar" public_interface="in"/>
<variable name="Kmdsinact" units="millimolar" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="speed_f" units="dimensionless" initial_value="0.3"/>
<variable name="delta_f" units="millivolt" initial_value="0.0001"/>
<variable name="E0_f" units="millivolt"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>E0_f</ci>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">34</cn>
</apply>
</apply>
<apply>
<eq/>
<ci>alpha_f</ci>
<piecewise>
<piece>
<cn cellml:units="per_second">25</cn>
<apply>
<lt/>
<apply>
<abs/>
<ci>E0_f</ci>
</apply>
<ci>delta_f</ci>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="per_millivolt_second">6.25</cn>
<ci>E0_f</ci>
</apply>
<apply>
<minus/>
<apply>
<exp/>
<apply>
<divide/>
<ci>E0_f</ci>
<cn cellml:units="millivolt">4</cn>
</apply>
</apply>
<cn cellml:units="dimensionless">1</cn>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>beta_f</ci>
<apply>
<divide/>
<cn cellml:units="per_second">12</cn>
<apply>
<plus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
</apply>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">34</cn>
</apply>
</apply>
<cn cellml:units="millivolt">4</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>CaChoffcyt</ci>
<apply>
<divide/>
<ci>Ca_i</ci>
<apply>
<plus/>
<ci>KCaChoff</ci>
<ci>Ca_i</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>f</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<apply>
<plus/>
<apply>
<times/>
<cn cellml:units="dimensionless">120</cn>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>f</ci>
</apply>
<ci>CaChoffcyt</ci>
</apply>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>f</ci>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>CaChoffcyt</ci>
</apply>
</apply>
</apply>
<ci>speed_f</ci>
<ci>beta_f</ci>
</apply>
<apply>
<times/>
<ci>alpha_f</ci>
<ci>f</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>CaChoncyt</ci>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>f</ci>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>CaChoffcyt</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>CaChoffds</ci>
<apply>
<divide/>
<ci>Ca_ds</ci>
<apply>
<plus/>
<ci>Kmdsinact</ci>
<ci>Ca_ds</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>CaChonds</ci>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>f</ci>
</apply>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>CaChoffds</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="calcium_background_current">
<variable name="i_b_Ca" units="nanoA" public_interface="out"/>
<variable name="g_bca" units="microS" initial_value="0.00025"/>
<variable name="E_Ca" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="V" units="millivolt" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_b_Ca</ci>
<apply>
<times/>
<ci>g_bca</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_Ca</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="transient_outward_current">
<variable name="i_to" units="nanoA" public_interface="out"/>
<variable name="g_to" units="microS" initial_value="0.005"/>
<variable name="g_tos" units="dimensionless" initial_value="0"/>
<variable name="E_K" units="millivolt" public_interface="in"/>
<variable name="V" units="millivolt" public_interface="in" private_interface="out"/>
<variable name="time" units="second" public_interface="in" private_interface="out"/>
<variable name="s" units="dimensionless" private_interface="in"/>
<variable name="r" units="dimensionless" private_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_to</ci>
<apply>
<times/>
<ci>g_to</ci>
<apply>
<plus/>
<ci>g_tos</ci>
<apply>
<times/>
<ci>s</ci>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>g_tos</ci>
</apply>
</apply>
</apply>
<ci>r</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_K</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="transient_outward_current_s_gate">
<variable name="s" units="dimensionless" initial_value="0.9948645" public_interface="out"/>
<variable name="alpha_s" units="per_second"/>
<variable name="beta_s" units="per_second"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>alpha_s</ci>
<apply>
<times/>
<cn cellml:units="per_second">0.033</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<minus/>
<ci>V</ci>
</apply>
<cn cellml:units="millivolt">17</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>beta_s</ci>
<apply>
<divide/>
<cn cellml:units="per_second">33</cn>
<apply>
<plus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="per_millivolt">0.125</cn>
</apply>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">10</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>s</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_s</ci>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>s</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_s</ci>
<ci>s</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="transient_outward_current_r_gate">
<variable name="r" units="dimensionless" initial_value="0" public_interface="out"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>r</ci>
</apply>
<apply>
<times/>
<cn cellml:units="per_second">333</cn>
<apply>
<minus/>
<apply>
<divide/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<plus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<minus/>
<apply>
<plus/>
<ci>V</ci>
<cn cellml:units="millivolt">4</cn>
</apply>
</apply>
<cn cellml:units="millivolt">5</cn>
</apply>
</apply>
</apply>
</apply>
<ci>r</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="sodium_potassium_pump">
<variable name="i_NaK" units="nanoA" public_interface="out"/>
<variable name="i_NaK_max" units="nanoA" initial_value="0.7"/>
<variable name="K_mK" units="millimolar" initial_value="1"/>
<variable name="K_mNa" units="millimolar" initial_value="40"/>
<variable name="K_o" units="millimolar" public_interface="in"/>
<variable name="Na_i" units="millimolar" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_NaK</ci>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>i_NaK_max</ci>
<ci>K_o</ci>
</apply>
<apply>
<plus/>
<ci>K_mK</ci>
<ci>K_o</ci>
</apply>
</apply>
<ci>Na_i</ci>
</apply>
<apply>
<plus/>
<ci>K_mNa</ci>
<ci>Na_i</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="sodium_calcium_exchanger">
<variable name="i_NaCa" units="nanoA" public_interface="out"/>
<variable name="i_NaCa_cyt" units="nanoA" public_interface="out"/>
<variable name="i_NaCa_ds" units="nanoA" public_interface="out"/>
<variable name="k_NaCa" units="nanoA" initial_value="0.0005"/>
<variable name="n_NaCa" units="dimensionless" initial_value="3"/>
<variable name="d_NaCa" units="dimensionless" initial_value="0"/>
<variable name="gamma" units="dimensionless" initial_value="0.2"/>
<variable name="FRiNaCa" units="dimensionless" initial_value="0.001"/>
<variable name="Na_i" units="millimolar" public_interface="in"/>
<variable name="Na_o" units="millimolar" public_interface="in"/>
<variable name="Ca_i" units="millimolar" public_interface="in"/>
<variable name="Ca_ds" units="millimolar" public_interface="in"/>
<variable name="Ca_o" units="millimolar" public_interface="in"/>
<variable name="R" units="joule_per_kilomole_kelvin" public_interface="in"/>
<variable name="F" units="coulomb_per_mole" public_interface="in"/>
<variable name="T" units="kelvin" public_interface="in"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_NaCa_cyt</ci>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>FRiNaCa</ci>
</apply>
<ci>k_NaCa</ci>
<apply>
<minus/>
<apply>
<times/>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<ci>gamma</ci>
<apply>
<minus/>
<ci>n_NaCa</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<ci>V</ci>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
<apply>
<power/>
<ci>Na_i</ci>
<ci>n_NaCa</ci>
</apply>
<ci>Ca_o</ci>
</apply>
<apply>
<times/>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<ci>gamma</ci>
<cn cellml:units="dimensionless">1</cn>
</apply>
<apply>
<minus/>
<ci>n_NaCa</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<ci>V</ci>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
<apply>
<power/>
<ci>Na_o</ci>
<ci>n_NaCa</ci>
</apply>
<ci>Ca_i</ci>
</apply>
</apply>
</apply>
<apply>
<times/>
<apply>
<plus/>
<cn cellml:units="millimolar4">1</cn>
<apply>
<times/>
<ci>d_NaCa</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>Ca_i</ci>
<apply>
<power/>
<ci>Na_o</ci>
<ci>n_NaCa</ci>
</apply>
</apply>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<power/>
<ci>Na_i</ci>
<ci>n_NaCa</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>Ca_i</ci>
<cn cellml:units="millimolar">0.0069</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_NaCa_ds</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>FRiNaCa</ci>
<ci>k_NaCa</ci>
<apply>
<minus/>
<apply>
<times/>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<ci>gamma</ci>
<apply>
<minus/>
<ci>n_NaCa</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<ci>V</ci>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
<apply>
<power/>
<ci>Na_i</ci>
<ci>n_NaCa</ci>
</apply>
<ci>Ca_o</ci>
</apply>
<apply>
<times/>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<ci>gamma</ci>
<cn cellml:units="dimensionless">1</cn>
</apply>
<apply>
<minus/>
<ci>n_NaCa</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
<ci>V</ci>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
<apply>
<power/>
<ci>Na_o</ci>
<ci>n_NaCa</ci>
</apply>
<ci>Ca_ds</ci>
</apply>
</apply>
</apply>
<apply>
<times/>
<apply>
<plus/>
<cn cellml:units="millimolar4">1</cn>
<apply>
<times/>
<ci>d_NaCa</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>Ca_ds</ci>
<apply>
<power/>
<ci>Na_o</ci>
<ci>n_NaCa</ci>
</apply>
</apply>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<power/>
<ci>Na_i</ci>
<ci>n_NaCa</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>Ca_ds</ci>
<cn cellml:units="millimolar">0.0069</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_NaCa</ci>
<apply>
<plus/>
<ci>i_NaCa_cyt</ci>
<ci>i_NaCa_ds</ci>
</apply>
</apply>
</math>
</component>
<component name="sarcoplasmic_reticulum_calcium_pump">
<variable name="i_up" units="millimolar_per_second" public_interface="out"/>
<variable name="K_1" units="dimensionless"/>
<variable name="K_2" units="millimolar"/>
<variable name="K_cyca" units="millimolar" initial_value="0.0003"/>
<variable name="K_xcs" units="dimensionless" initial_value="0.4"/>
<variable name="K_srca" units="millimolar" initial_value="0.5"/>
<variable name="alpha_up" units="millimolar_per_second" initial_value="0.4"/>
<variable name="beta_up" units="millimolar_per_second" initial_value="0.03"/>
<variable name="Ca_i" units="millimolar" public_interface="in"/>
<variable name="Ca_up" units="millimolar" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>K_1</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>K_cyca</ci>
<ci>K_xcs</ci>
</apply>
<ci>K_srca</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>K_2</ci>
<apply>
<plus/>
<ci>Ca_i</ci>
<apply>
<times/>
<ci>Ca_up</ci>
<ci>K_1</ci>
</apply>
<apply>
<times/>
<ci>K_cyca</ci>
<ci>K_xcs</ci>
</apply>
<ci>K_cyca</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>i_up</ci>
<apply>
<minus/>
<apply>
<times/>
<apply>
<divide/>
<ci>Ca_i</ci>
<ci>K_2</ci>
</apply>
<ci>alpha_up</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>Ca_up</ci>
<ci>K_1</ci>
</apply>
<ci>K_2</ci>
</apply>
<ci>beta_up</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="calcium_translocation">
<variable name="i_trans" units="millimolar_per_second" public_interface="out"/>
<variable name="Ca_rel" units="millimolar" public_interface="in"/>
<variable name="Ca_up" units="millimolar" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_trans</ci>
<apply>
<times/>
<cn cellml:units="per_second">50</cn>
<apply>
<minus/>
<ci>Ca_up</ci>
<ci>Ca_rel</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="calcium_release">
<variable name="i_rel" units="millimolar_per_second" public_interface="out"/>
<variable name="VoltDep" units="dimensionless"/>
<variable name="RegBindSite" units="dimensionless"/>
<variable name="CaiReg" units="dimensionless"/>
<variable name="CadsReg" units="dimensionless"/>
<variable name="ActRate" units="per_second"/>
<variable name="InactRate" units="per_second"/>
<variable name="K_leak_rate" units="per_second" initial_value="0.05"/>
<variable name="K_m_rel" units="per_second" initial_value="250"/>
<variable name="K_m_Ca_cyt" units="millimolar" initial_value="0.0005"/>
<variable name="K_m_Ca_ds" units="millimolar" initial_value="0.01"/>
<variable name="PrecFrac" units="dimensionless"/>
<variable name="ActFrac" units="dimensionless" initial_value="0.0049039"/>
<variable name="ProdFrac" units="dimensionless" initial_value="0.6950649"/>
<variable name="SpeedRel" units="dimensionless"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="V" units="millivolt" public_interface="in"/>
<variable name="Ca_i" units="millimolar" public_interface="in"/>
<variable name="Ca_ds" units="millimolar" public_interface="in"/>
<variable name="Ca_rel" units="millimolar" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>VoltDep</ci>
<apply>
<exp/>
<apply>
<times/>
<cn cellml:units="per_millivolt">0.08</cn>
<apply>
<minus/>
<ci>V</ci>
<cn cellml:units="millivolt">40</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>CaiReg</ci>
<apply>
<divide/>
<ci>Ca_i</ci>
<apply>
<plus/>
<ci>Ca_i</ci>
<ci>K_m_Ca_cyt</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>CadsReg</ci>
<apply>
<divide/>
<ci>Ca_ds</ci>
<apply>
<plus/>
<ci>Ca_ds</ci>
<ci>K_m_Ca_ds</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>RegBindSite</ci>
<apply>
<plus/>
<ci>CaiReg</ci>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>CaiReg</ci>
</apply>
<ci>CadsReg</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>ActRate</ci>
<apply>
<plus/>
<apply>
<times/>
<cn cellml:units="per_second">0</cn>
<ci>VoltDep</ci>
</apply>
<apply>
<times/>
<cn cellml:units="per_second">90</cn>
<apply>
<power/>
<ci>RegBindSite</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>InactRate</ci>
<apply>
<plus/>
<cn cellml:units="per_second">60</cn>
<apply>
<times/>
<cn cellml:units="per_second">500</cn>
<apply>
<power/>
<ci>RegBindSite</ci>
<cn cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>SpeedRel</ci>
<piecewise>
<piece>
<cn cellml:units="dimensionless">5</cn>
<apply>
<lt/>
<ci>V</ci>
<apply>
<minus/>
<cn cellml:units="millivolt">50</cn>
</apply>
</apply>
</piece>
<otherwise>
<cn cellml:units="dimensionless">1</cn>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>PrecFrac</ci>
<apply>
<minus/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>ActFrac</ci>
</apply>
<ci>ProdFrac</ci>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>ActFrac</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>PrecFrac</ci>
<ci>SpeedRel</ci>
<ci>ActRate</ci>
</apply>
<apply>
<times/>
<ci>ActFrac</ci>
<ci>SpeedRel</ci>
<ci>InactRate</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>ProdFrac</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>ActFrac</ci>
<ci>SpeedRel</ci>
<ci>InactRate</ci>
</apply>
<apply>
<times/>
<ci>SpeedRel</ci>
<cn cellml:units="per_second">1</cn>
<ci>ProdFrac</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_rel</ci>
<apply>
<times/>
<apply>
<plus/>
<apply>
<times/>
<apply>
<power/>
<apply>
<divide/>
<ci>ActFrac</ci>
<apply>
<plus/>
<ci>ActFrac</ci>
<cn cellml:units="dimensionless">0.25</cn>
</apply>
</apply>
<cn cellml:units="dimensionless">2</cn>
</apply>
<ci>K_m_rel</ci>
</apply>
<ci>K_leak_rate</ci>
</apply>
<ci>Ca_rel</ci>
</apply>
</apply>
</math>
</component>
<component name="extracellular_sodium_concentration">
<variable name="Na_o" units="millimolar" initial_value="140" public_interface="out"/>
</component>
<component name="intracellular_sodium_concentration">
<variable name="Na_i" units="millimolar" initial_value="7.6713487" public_interface="out"/>
<variable name="V_i" units="micrometre3" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="F" units="coulomb_per_mole" public_interface="in"/>
<variable name="i_Na" units="nanoA" public_interface="in"/>
<variable name="i_b_Na" units="nanoA" public_interface="in"/>
<variable name="i_p_Na" units="nanoA" public_interface="in"/>
<variable name="i_Ca_L_Na_cyt" units="nanoA" public_interface="in"/>
<variable name="i_Ca_L_Na_ds" units="nanoA" public_interface="in"/>
<variable name="i_NaK" units="nanoA" public_interface="in"/>
<variable name="i_NaCa_cyt" units="nanoA" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Na_i</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<apply>
<minus/>
<cn cellml:units="mA_nA">1</cn>
</apply>
<apply>
<times/>
<cn cellml:units="litre_micrometre3">1</cn>
<ci>V_i</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<plus/>
<ci>i_Na</ci>
<ci>i_p_Na</ci>
<ci>i_b_Na</ci>
<apply>
<times/>
<cn cellml:units="dimensionless">3</cn>
<ci>i_NaK</ci>
</apply>
<apply>
<times/>
<cn cellml:units="dimensionless">3</cn>
<ci>i_NaCa_cyt</ci>
</apply>
<ci>i_Ca_L_Na_cyt</ci>
<ci>i_Ca_L_Na_ds</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="extracellular_calcium_concentration">
<variable name="Ca_o" units="millimolar" initial_value="2" public_interface="out"/>
</component>
<component name="extracellular_potassium_concentration">
<variable name="K_o" units="millimolar" initial_value="4" public_interface="out"/>
</component>
<component name="intracellular_potassium_concentration">
<variable name="K_i" units="millimolar" initial_value="136.1745362" public_interface="out"/>
<variable name="V_i" units="micrometre3" public_interface="in"/>
<variable name="i_K1" units="nanoA" public_interface="in"/>
<variable name="i_Kr" units="nanoA" public_interface="in"/>
<variable name="i_Ks" units="nanoA" public_interface="in"/>
<variable name="i_Ca_L_K_cyt" units="nanoA" public_interface="in"/>
<variable name="i_Ca_L_K_ds" units="nanoA" public_interface="in"/>
<variable name="i_to" units="nanoA" public_interface="in"/>
<variable name="i_NaK" units="nanoA" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<variable name="F" units="coulomb_per_mole" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>K_i</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<apply>
<minus/>
<cn cellml:units="mA_nA">1</cn>
</apply>
<apply>
<times/>
<cn cellml:units="litre_micrometre3">1</cn>
<ci>V_i</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<minus/>
<apply>
<plus/>
<ci>i_K1</ci>
<ci>i_Kr</ci>
<ci>i_Ks</ci>
<ci>i_Ca_L_K_cyt</ci>
<ci>i_Ca_L_K_ds</ci>
<ci>i_to</ci>
</apply>
<apply>
<times/>
<cn cellml:units="dimensionless">2</cn>
<ci>i_NaK</ci>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="intracellular_calcium_concentration">
<variable name="Ca_i" units="millimolar" initial_value="1.49e-5" public_interface="out"/>
<variable name="Ca_ds" units="millimolar" initial_value="2.7e-6" public_interface="out"/>
<variable name="Ca_up" units="millimolar" initial_value="0.36963" public_interface="out"/>
<variable name="Ca_rel" units="millimolar" initial_value="0.6460487" public_interface="out"/>
<variable name="Ca_Calmod" units="millimolar" initial_value="0.0005841"/>
<variable name="Ca_Trop" units="millimolar" initial_value="0.0003732"/>
<variable name="Calmod" units="millimolar" initial_value="0.02"/>
<variable name="Trop" units="millimolar" initial_value="0.05"/>
<variable name="alpha_Calmod" units="per_millimolar_second" initial_value="100000"/>
<variable name="beta_Calmod" units="per_second" initial_value="50"/>
<variable name="alpha_Trop" units="per_millimolar_second" initial_value="100000"/>
<variable name="beta_Trop" units="per_second" initial_value="200"/>
<variable name="radius" units="micrometre" initial_value="12"/>
<variable name="length" units="micrometre" initial_value="74"/>
<variable name="V_i" units="micrometre3" public_interface="out"/>
<variable name="V_Cell" units="micrometre3"/>
<variable name="V_i_ratio" units="dimensionless"/>
<variable name="V_ds_ratio" units="dimensionless" initial_value="0.1"/>
<variable name="V_rel_ratio" units="dimensionless" initial_value="0.1"/>
<variable name="V_e_ratio" units="dimensionless" initial_value="0.4"/>
<variable name="V_up_ratio" units="dimensionless" initial_value="0.01"/>
<variable name="Kdecay" units="per_second" initial_value="10"/>
<variable name="i_up" units="millimolar_per_second" public_interface="in"/>
<variable name="i_trans" units="millimolar_per_second" public_interface="in"/>
<variable name="i_rel" units="millimolar_per_second" public_interface="in"/>
<variable name="i_NaCa_cyt" units="nanoA" public_interface="in"/>
<variable name="i_NaCa_ds" units="nanoA" public_interface="in"/>
<variable name="i_Ca_L_Ca_cyt" units="nanoA" public_interface="in"/>
<variable name="i_Ca_L_Ca_ds" units="nanoA" public_interface="in"/>
<variable name="i_b_Ca" units="nanoA" public_interface="in"/>
<variable name="F" units="coulomb_per_mole" public_interface="in"/>
<variable name="time" units="second" public_interface="in"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>V_Cell</ci>
<apply>
<divide/>
<apply>
<times/>
<cn cellml:units="dimensionless">3.141592654</cn>
<apply>
<power/>
<apply>
<divide/>
<ci>radius</ci>
<cn cellml:units="dimensionless">1000</cn>
</apply>
<cn cellml:units="dimensionless">2</cn>
</apply>
<ci>length</ci>
</apply>
<cn cellml:units="dimensionless">1000</cn>
</apply>
</apply>
<apply>
<eq/>
<ci>V_i_ratio</ci>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<cn cellml:units="dimensionless">1</cn>
<ci>V_e_ratio</ci>
</apply>
<ci>V_up_ratio</ci>
</apply>
<ci>V_rel_ratio</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>V_i</ci>
<apply>
<times/>
<ci>V_Cell</ci>
<ci>V_i_ratio</ci>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_i</ci>
</apply>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<plus/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<minus/>
<cn cellml:units="mA_nA">1</cn>
</apply>
<apply>
<times/>
<cn cellml:units="dimensionless">2</cn>
<cn cellml:units="litre_micrometre3">1</cn>
<ci>V_i</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<plus/>
<ci>i_Ca_L_Ca_cyt</ci>
<ci>i_b_Ca</ci>
</apply>
<apply>
<times/>
<cn cellml:units="dimensionless">2</cn>
<ci>i_NaCa_cyt</ci>
</apply>
</apply>
<apply>
<times/>
<cn cellml:units="dimensionless">2</cn>
<ci>i_NaCa_ds</ci>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>Ca_ds</ci>
<ci>V_ds_ratio</ci>
<ci>Kdecay</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<ci>i_rel</ci>
<ci>V_rel_ratio</ci>
</apply>
<ci>V_i_ratio</ci>
</apply>
</apply>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_Calmod</ci>
</apply>
</apply>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_Trop</ci>
</apply>
</apply>
<ci>i_up</ci>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_ds</ci>
</apply>
<apply>
<minus/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<cn cellml:units="mA_nA">1</cn>
</apply>
<ci>i_Ca_L_Ca_ds</ci>
</apply>
<apply>
<times/>
<cn cellml:units="dimensionless">2</cn>
<cn cellml:units="litre_micrometre3">1</cn>
<ci>V_ds_ratio</ci>
<ci>V_i</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<times/>
<ci>Ca_ds</ci>
<ci>Kdecay</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_up</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<apply>
<divide/>
<ci>V_i_ratio</ci>
<ci>V_up_ratio</ci>
</apply>
<ci>i_up</ci>
</apply>
<ci>i_trans</ci>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_rel</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<apply>
<divide/>
<ci>V_up_ratio</ci>
<ci>V_rel_ratio</ci>
</apply>
<ci>i_trans</ci>
</apply>
<ci>i_rel</ci>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_Calmod</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_Calmod</ci>
<ci>Ca_i</ci>
<apply>
<minus/>
<ci>Calmod</ci>
<ci>Ca_Calmod</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_Calmod</ci>
<ci>Ca_Calmod</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_Trop</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_Trop</ci>
<ci>Ca_i</ci>
<apply>
<minus/>
<ci>Trop</ci>
<ci>Ca_Trop</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_Trop</ci>
<ci>Ca_Trop</ci>
</apply>
</apply>
</apply>
</math>
</component>
<group>
<relationship_ref relationship="encapsulation"/>
<component_ref component="fast_sodium_current">
<component_ref component="fast_sodium_current_m_gate"/>
<component_ref component="fast_sodium_current_h_gate"/>
</component_ref>
<component_ref component="L_type_Ca_channel">
<component_ref component="L_type_Ca_channel_d_gate"/>
<component_ref component="L_type_Ca_channel_f_gate"/>
</component_ref>
<component_ref component="transient_outward_current">
<component_ref component="transient_outward_current_s_gate"/>
<component_ref component="transient_outward_current_r_gate"/>
</component_ref>
<component_ref component="rapid_delayed_rectifier_potassium_current">
<component_ref component="rapid_delayed_rectifier_potassium_current_xr1_gate"/>
<component_ref component="rapid_delayed_rectifier_potassium_current_xr2_gate"/>
</component_ref>
<component_ref component="slow_delayed_rectifier_potassium_current">
<component_ref component="slow_delayed_rectifier_potassium_current_xs_gate"/>
</component_ref>
</group>
<connection>
<map_components component_1="membrane" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="reversal_potentials" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="fast_sodium_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="L_type_Ca_channel" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="rapid_delayed_rectifier_potassium_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="slow_delayed_rectifier_potassium_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="time_independent_potassium_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="persistent_sodium_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="sodium_background_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="calcium_background_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="transient_outward_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="sodium_potassium_pump" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="sodium_calcium_exchanger" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="intracellular_sodium_concentration" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="intracellular_potassium_concentration" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="intracellular_calcium_concentration" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="sarcoplasmic_reticulum_calcium_pump" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="calcium_translocation" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="calcium_release" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="calcium_release" component_2="membrane"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="membrane" component_2="reversal_potentials"/>
<map_variables variable_1="R" variable_2="R"/>
<map_variables variable_1="T" variable_2="T"/>
<map_variables variable_1="F" variable_2="F"/>
</connection>
<connection>
<map_components component_1="membrane" component_2="fast_sodium_current"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="i_Na" variable_2="i_Na"/>
</connection>
<connection>
<map_components component_1="membrane" component_2="L_type_Ca_channel"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="i_Ca_L_Ca_cyt" variable_2="i_Ca_L_Ca_cyt"/>
<map_variables variable_1="i_Ca_L_Ca_ds" variable_2="i_Ca_L_Ca_ds"/>
<map_variables variable_1="i_Ca_L_Na_cyt" variable_2="i_Ca_L_Na_cyt"/>
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<rdf:value>Changed stim_end in stimulus protocol from 10.1 to 1,000,000 seconds</rdf:value>
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<rdf:value>This file is a CellML description of Noble, Carghese, Kohl and Noble's 1998 extension of their 1991 guinea pig ventricular cell model. This model incorporates a diadic space, IKr and IKs currents, and length and tension dependent processes. Variant 1 is parameterised for the 'basic' model.
To simulate multiple action potentials with this model the following integrator parameters must be used: max step size must be 0.001 or less, max point density must be 10,000 or more.</rdf:value>
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<dc:title>Improved guinea-pig ventricular cell model incorporating a diadic space, IKr and IKs, and length- and tension-dependent processes.</dc:title>
<bqs:volume>14(1)</bqs:volume>
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<dcterms:W3CDTF>1998-01-01 00:00</dcterms:W3CDTF>
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<dcterms:W3CDTF>2007-06-22T14:01:50+12:00</dcterms:W3CDTF>
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<rdf:value>Penny Noble was informed by a community member that INaCads was not included in the dCads/dt ODE and hence the system was out of balance. This has been fixed in version 07. An alteration was also made to the model to remove two differential expressions in the intracellular_calcium concentration component to allow PCEnv 0.2 to run the model.</rdf:value>
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<vCard:Given>James</vCard:Given>
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<vCard:Other>Richard</vCard:Other>
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<rdf:li>guinea-pig</rdf:li>
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<dc:title>Model B: multiple stimuli</dc:title>
<dc:publisher>Department of Physiology, Anatomy & Genetics, University of Oxford</dc:publisher>
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<vCard:FN>James Lawson</vCard:FN>
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<vCard:Given>James</vCard:Given>
<vCard:Family>Lawson</vCard:Family>
<vCard:Other>Richard</vCard:Other>
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<dcterms:W3CDTF>2007-12-04T15:09:12+13:00</dcterms:W3CDTF>
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<rdf:value>This version was created by Penny Noble and is known to read into COR. James Lawson fixed an error (19/04/07) that prevented it reading in PCEnv (unsupported predefined operator diff in component intracellular_calcium_concentration. This variant of version 06 is parameterised for the BASIC model, excluding acetylcholine dependent modulation and electromechanical processes.</rdf:value>
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<vCard:Given>A</vCard:Given>
<vCard:Family>Varghese</vCard:Family>
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<rdf:value>Several variables have been given cmeta:id's to allow creation of a PCEnv session file.</rdf:value>
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<vCard:Given>Penny</vCard:Given>
<vCard:Family>Noble</vCard:Family>
<vCard:Other>J</vCard:Other>
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<dcterms:W3CDTF>2007-02-06T14:05:00+13:00</dcterms:W3CDTF>
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<dcterms:W3CDTF>2007-09-06T12:57:25+12:00</dcterms:W3CDTF>
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<dcterms:W3CDTF>2007-05-03T00:00:00+00:00</dcterms:W3CDTF>
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<vCard:Orgname>University of Oxford</vCard:Orgname>
<vCard:Orgunit>Department of Physiology, Anatomy & Genetics</vCard:Orgunit>
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<rdf:value>This model has been curated by Penny Noble of Oxford University</rdf:value>
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<dcterms:W3CDTF>2007-07-18T12:58:29+12:00</dcterms:W3CDTF>
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<vCard:Given>Penny</vCard:Given>
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<vCard:Other>J</vCard:Other>
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<dcterms:W3CDTF>2008-05-14T03:12:08+12:00</dcterms:W3CDTF>
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<vCard:Given>James</vCard:Given>
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<rdf:value>Note that the missing i_NCX_ds component was added to the dCai/dt rather than the dCads/dt equation in order to achieve balance in the model. </rdf:value>
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<dc:title>Canadian Journal of Cardiology</dc:title>
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