2015
bSUM: A bead-supported unilamellar membrane system facilitating unidirectional insertion of membrane proteins into giant vesicles
Zheng H, Lee S, Llaguno MC, Jiang QX. bSUM: A bead-supported unilamellar membrane system facilitating unidirectional insertion of membrane proteins into giant vesicles. The Journal Of General Physiology 2015, 147: 77-93. PMID: 26712851, PMCID: PMC4692488, DOI: 10.1085/jgp.201511448.Peer-Reviewed Original ResearchConceptsMembrane proteinsIon channelsLipid compositionLipid bilayersMembrane systemLipid-protein interactionsVitro membrane systemSingle-molecule imagingVoltage-gated ion channelsGiant vesiclesUnilamellar naturePlanar electrodesPlanar lipid bilayersSuch proteinsMicroscopic imagingBiophysical analysisFast gating kineticsUnidirectional insertionProteinChannel activityProtein orientationGating kineticsModel systemBilayersSpecific ligands
2014
Chemically functionalized carbon films for single molecule imaging
Llaguno MC, Xu H, Shi L, Huang N, Zhang H, Liu Q, Jiang QX. Chemically functionalized carbon films for single molecule imaging. Journal Of Structural Biology 2014, 185: 405-417. PMID: 24457027, PMCID: PMC3990355, DOI: 10.1016/j.jsb.2014.01.006.Peer-Reviewed Original ResearchConceptsCarbon surfaceNanometer-thick carbon filmsBiological complexesCarbon filmsIndividual macromolecular complexesFunctionalized filmsBioactive ligandsChemical linkageSingle-molecule imagingSubnanogram levelActive siteStrong oxidationNanomolar levelsDNA/RNAMolecule imagingNegative-stain EMElectron microscopic imagingSelective enrichmentComplexesLigandsMacromolecular complexesFilmsProtein GSubnanomolar concentrationsLong-term storage