Methodology for Cross-Talk Elimination in Simultaneous Voltage and Calcium Optical Mapping Measurements With Semasbestic Wavelengths.
Methodology for Cross-Talk Elimination in Simultaneous Voltage and Calcium Optical Mapping Measurements With Semasbestic Wavelengths.
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DOI:
10.3389/fphys.2022.812968
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发表时间:
2022
影响因子:
4
通讯作者:
Fenton FH
中科院分区:
文献类型:
--
作者:
Uzelac I;Crowley CJ;Iravanian S;Kim TY;Cho HC;Fenton FH
Most cardiac arrhythmias at the whole heart level result from alteration of cell membrane ionic channels and intracellular calcium concentration ([Ca2+]i) cycling with emerging spatiotemporal behavior through tissue-level coupling. For example, dynamically induced spatial dispersion of action potential duration, QT prolongation, and alternans are clinical markers for arrhythmia susceptibility in regular and heart-failure patients that originate due to changes of the transmembrane voltage (Vm) and [Ca2+]i. We present an optical-mapping methodology that permits simultaneous measurements of the Vm - [Ca2+]i signals using a single-camera without cross-talk, allowing quantitative characterization of favorable/adverse cell and tissue dynamical effects occurring from remodeling and/or drugs in heart failure. We demonstrate theoretically and experimentally in six different species the existence of a family of excitation wavelengths, we termed semasbestic, that give no change in signal for one dye, and thus can be used to record signals from another dye, guaranteeing zero cross-talk.
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影响因子:
64.8
作者:
Gray, RA;Pertsov, AM;Jalife, J
通讯作者:
Jalife, J
影响因子:
29
作者:
Gorski PA;Ceholski DK;Hajjar RJ
通讯作者:
Hajjar RJ
影响因子:
20.1
作者:
Lee P;Klos M;Bollensdorff C;Hou L;Ewart P;Kamp TJ;Zhang J;Bizy A;Guerrero-Serna G;Kohl P;Jalife J;Herron TJ
通讯作者:
Herron TJ
DOI:
10.22489/cinc.2020.471
发表时间:
2020-09
期刊:
Computing in cardiology
影响因子:
--
作者:
Uzelac I;Fenton FH
通讯作者:
Fenton FH
影响因子:
3.8
作者:
Scull, James A.;McSpadden, Luke C.;Himel, Herman D.;Badie, Nima;Bursac, Nenad
通讯作者:
Bursac, Nenad