2011
A lanthanide complex with dual biosensing properties: CEST (chemical exchange saturation transfer) and BIRDS (biosensor imaging of redundant deviation in shifts) with europium DOTA–tetraglycinate
Coman D, Kiefer GE, Rothman DL, Sherry AD, Hyder F. A lanthanide complex with dual biosensing properties: CEST (chemical exchange saturation transfer) and BIRDS (biosensor imaging of redundant deviation in shifts) with europium DOTA–tetraglycinate. NMR In Biomedicine 2011, 24: 1216-1225. PMID: 22020775, PMCID: PMC3267016, DOI: 10.1002/nbm.1677.Peer-Reviewed Original ResearchConceptsResponsive contrast agentsChemical exchange saturation transferMolecular imagingNonexchangeable proton resonancesMolecular imaging agentsLanthanide complexesCEST characteristicsIon complexesBiosensing propertiesBulk waterProton exchangeProton resonancesTetraacetate derivativeNonexchangeable protonsQuantitative molecular imagingRedundant deviationExchangeable sitesInner sphereSaturation transferImaging agentCEST methodComplexesIonsContrast agentsGreat potential
2005
A Nuclear Magnetic Resonance Investigation of the Energetics of Basepair Opening Pathways in DNA
Coman D, Russu IM. A Nuclear Magnetic Resonance Investigation of the Energetics of Basepair Opening Pathways in DNA. Biophysical Journal 2005, 89: 3285-3292. PMID: 16126830, PMCID: PMC1366824, DOI: 10.1529/biophysj.105.065763.Peer-Reviewed Original ResearchConceptsOpening reactionFree energyNuclear magnetic resonance investigationFree energy relationshipsMagnetic resonance investigationNMR spectroscopySolvent protonsProton exchangeEnergy relationshipsTransition stateExchange catalystResonance investigationOpening pathwaysRate of exchangeEquilibrium constantsEnthalpy changeDNA duplexImino protonsReactionNeighboring basesProtonsDifferent temperaturesEnergeticsOpen stateCatalyst