Proton Pump InhibitorsProton PumpsProtons2-PyridinylmethylsulfinylbenzimidazolesOmeprazoleAnti-Ulcer AgentsLansoprazoleHistamine H2 AntagonistsVacuolar Proton-Translocating ATPasesSulfoxidesRabeprazoleGastroesophageal RefluxHydrogen-Ion ConcentrationGastric AcidProton-Translocating ATPasesEsomeprazoleRhodopsins, MicrobialBacteriorhodopsinsBenzimidazolesAntacidsIon PumpsHelicobacter InfectionsHelicobacter pyloriPeptic UlcerGastric Acidity DeterminationMagnetic Resonance SpectroscopyProton-Motive ForceH(+)-K(+)-Exchanging ATPaseAmoxicillinHalobacterium salinarumHeartburnVacuolesClarithromycinInfusion PumpsElectron Transport Complex IVRanitidineDicyclohexylcarbodiimideBiological Transport, ActiveBismuthPeptic Ulcer HemorrhageKineticsEsophagitis, PepticValinomycinSodium-Potassium-Exchanging ATPaseEsophagitisDyspepsiaGastrointestinal DiseasesAdenosine TriphosphateAnti-Bacterial AgentsDrug Therapy, CombinationSchiff BasesHalobacteriumMacrolidesStomach UlcerEndoscopy, GastrointestinalCell MembraneEnzyme InhibitorsInorganic PyrophosphataseModels, MolecularInfusion Pumps, ImplantableAdenosine TriphosphatasesAchlorhydriaBiological TransportAspartic AcidGastric MucosaPotassiumElectron TransportWaterMetronidazolePurple MembraneUpper Gastrointestinal TractHydrogenFamotidineDuodenal UlcerNigericinProtein ConformationMembrane PotentialsDrug InteractionsGastrointestinal HemorrhageZollinger-Ellison SyndromeBarrett EsophagusLightTreatment OutcomeRetinaldehydeSodiumCoated Pits, Cell-MembraneStomach DiseasesAminacrineEsophageal pH MonitoringOxidation-ReductionTinidazoleStomachRhodobacter sphaeroidesElectrochemistryMolecular Sequence DataDexlansoprazoleHalorhodopsinsIon TransportAcidsOuabain