2002
Applying Hidden Markov Models to the Analysis of Single Ion Channel Activity
Venkataramanan L, Sigworth F. Applying Hidden Markov Models to the Analysis of Single Ion Channel Activity. Biophysical Journal 2002, 82: 1930-1942. PMID: 11916851, PMCID: PMC1301989, DOI: 10.1016/s0006-3495(02)75542-2.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsBiophysicsIonsKineticsLikelihood FunctionsMarkov ChainsModels, StatisticalModels, TheoreticalPatch-Clamp TechniquesTime FactorsConceptsCorrelated background noiseHidden Markov ModelDigital inverse filterMarkov model parametersDiscrete timeBaum-Welch algorithmMarkov modelComputational intensityDeterministic interferenceModel parametersInverse filterMultiple data setsAlgorithmPrevious resultsPractical applicationsNoise ratioState transitionsSharp frequencyData setsChannel dataSingle ion channel currentsNoiseExtensionRandomnessBackground noise
1999
Two-Microelectrode Voltage Clamp of Xenopus Oocytes: Voltage Errors and Compensation for Local Current Flow
Baumgartner W, Islas L, Sigworth F. Two-Microelectrode Voltage Clamp of Xenopus Oocytes: Voltage Errors and Compensation for Local Current Flow. Biophysical Journal 1999, 77: 1980-1991. PMID: 10512818, PMCID: PMC1300479, DOI: 10.1016/s0006-3495(99)77039-6.Peer-Reviewed Original Research
1998
Activation of Shaker Potassium Channels
Schoppa N, Sigworth F. Activation of Shaker Potassium Channels. The Journal Of General Physiology 1998, 111: 295-311. PMID: 9450945, PMCID: PMC2222768, DOI: 10.1085/jgp.111.2.295.Peer-Reviewed Original ResearchActivation of Shaker Potassium Channels
Schoppa N, Sigworth F. Activation of Shaker Potassium Channels. The Journal Of General Physiology 1998, 111: 271-294. PMID: 9450944, PMCID: PMC2222764, DOI: 10.1085/jgp.111.2.271.Peer-Reviewed Original ResearchActivation of Shaker Potassium Channels
Schoppa N, Sigworth F. Activation of Shaker Potassium Channels. The Journal Of General Physiology 1998, 111: 313-342. PMID: 9450946, PMCID: PMC2222769, DOI: 10.1085/jgp.111.2.313.Peer-Reviewed Original Research
1997
Enhanced Closed-state Inactivation in a Mutant Shaker K+ Channel
Ayer, Jr. R, Sigworth F. Enhanced Closed-state Inactivation in a Mutant Shaker K+ Channel. The Journal Of Membrane Biology 1997, 157: 215-230. PMID: 9178609, DOI: 10.1007/s002329900230.Peer-Reviewed Original Research
1996
Impaired slow inactivation in mutant sodium channels
Cummins T, Sigworth F. Impaired slow inactivation in mutant sodium channels. Biophysical Journal 1996, 71: 227-236. PMID: 8804606, PMCID: PMC1233474, DOI: 10.1016/s0006-3495(96)79219-6.Peer-Reviewed Original ResearchConceptsRat skeletal muscle channelsSodium currentProlonged depolarizationSlow inactivationPersistent sodium currentMaximal sodium currentSkeletal muscle channelsMuscle paralysisSkeletal muscle fibersMutant sodium channelsSustained currentHyperkalemic periodic paralysisM mutationPeriodic paralysisSodium channelsMuscle channelsMuscle fibersParalysisFast inactivationWild-type channelsMutant channelsDepolarization
1995
Design of the EPC-9, a computer-controlled patch-clamp amplifier. 2. Software
Sigworth F, Affolter H, Neher E. Design of the EPC-9, a computer-controlled patch-clamp amplifier. 2. Software. Journal Of Neuroscience Methods 1995, 56: 203-215. PMID: 7538621, DOI: 10.1016/0165-0270(94)00129-5.Peer-Reviewed Original ResearchDesign of the EPC-9, a computer-controlled patch-clamp amplifier. 1. Hardware
Sigworth F. Design of the EPC-9, a computer-controlled patch-clamp amplifier. 1. Hardware. Journal Of Neuroscience Methods 1995, 56: 195-202. PMID: 7538620, DOI: 10.1016/0165-0270(94)00128-4.Peer-Reviewed Original Research