Organic Cation Transport ProteinsCationsAntimicrobial Cationic PeptidesEosinophil Cationic ProteinQuaternary Ammonium CompoundsLiposomesMolecular StructureCationic Amino Acid Transporter 1Eosinophil Granule ProteinsStructure-Activity RelationshipSulfur CompoundsCationic Amino Acid Transporter 2Cetrimonium CompoundsPolylysineVolatile Organic CompoundsSurface-Active AgentsPhosphatidylethanolaminesFatty Acids, MonounsaturatedMagnetic Resonance SpectroscopyAmino Acid Transport Systems, BasicPolyethyleneimineDrug CarriersDrug Evaluation, PreclinicalKineticsTrypsinogenPlant ExtractsMolecular Sequence DataCation Exchange ResinsDNAStereoisomerismDose-Response Relationship, DrugAnionsChromatography, High Pressure LiquidBlood ProteinsGene Transfer TechniquesAnti-Bacterial AgentsHydrogen-Ion ConcentrationLipidsInhibitory Concentration 50Organometallic CompoundsSulfhydryl CompoundsPhenolsHeterocyclic CompoundsDrug DesignPolymersModels, MolecularBiphenyl CompoundsTransfectionAmino Acid SequenceCell LineSmall Molecule LibrariesAniline CompoundsOrganotin CompoundsPeptidesOrganophosphorus CompoundsSpiro CompoundsMolecular ConformationRibonucleasesNitrogen CompoundsCell Line, Tumor