Electrochemical microsensors for cutaneous surface analysis: Application to the determination of pH and the antioxidant properties of stratum corneum [PDF]
, 2008 Potentiometry and cyclic voltammetry were proposed as simple, reliable and non invasive methods for the simultaneous determination of pH and antioxidant properties of skin.
Baur, Jessica +4 more
core +2 more sources
Enzyme Kinetics via Open Circuit Potentiometry.
Analytical Chemistry, 2019 We demonstrate the application of open circuit potentiometry (OCP) to measure enzyme turnover kinetics, kturn. The electrode surface will become poised by the addition of a well-behaved redox pair, such as ferrocenemethanol/ferrocenium methanol (FcMeOH ...
Lettie A. Smith +3 more
semanticscholar +1 more source
On the Stabilizing Action of Protein Denaturants: Acetonitrile Effect on Stability of Lysozyme in Aqueous Solutions [PDF]
, 2000 Stability of hen lysozyme in the presence of acetonitrile (MeCN) at different pH values of the medium was studied by scanning microcalorimetry with a special emphasis on determination of reliable values of the denaturational heat capacity change.
Kovriguine, Evgueni, Potekhin, Sergey A.
core +2 more sources
Modified planar sensors for the separate detection of certain cephalosporin antibiotics [PDF]
Известия Саратовского университета. Новая серия: Серия Химия. Биология. ЭкологияModifi ed screen-printed potentiometric sensors sensitive to cephalosporin antibiotics – cefuroxime (Cefur), cefotaxime (Ceftx), cefazolin (Cef) have been developed. Tetradecylammonium associates with complex compounds silver (I) – cefuroxime
Kulapina, Elena Grigorievna +2 more
doaj +1 more source
Design and Performance of a Practical Variable-Temperature Scanning Tunneling Potentiometry System
, 2008 We have constructed a scanning tunneling potentiometry system capable of simultaneously mapping the transport-related electrochemical potential of a biased sample along with its surface topography.
Beasley, M. R., Rozler, M.
core +1 more source
Gallium(III) chelates of mixed phosphonate-carboxylate triazamacrocyclic ligands relevant to nuclear medicine: structural, stability and in vivo studies [PDF]
, 2017 Three triaza macrocyclic ligands, H6NOTP (1,4,7-triazacyclononane-N,N′,N″-trimethylene phosphonic acid), H4NO2AP (1,4,7-triazacyclononane-N-methylenephosphonic acid-N′,N″-dimethylenecarboxylic acid), and H5NOA2P (1,4,7-triazacyclononane-N,N′-bis ...
Alexander +54 more
core +1 more source
Potentiometric investigation of acid-base equilibria of two new pyrimidine derivatives in various methanol-water media [PDF]
Journal of the Serbian Chemical Society, 2006 The acid-base properties of 1-amino-5-benzoyl-4-phenyl-1H-pyrimidine-2-one (L1) and 1-amino-5-benzoyl-4-phenyl-1H-pyrimidine-2-thione (L2) were investigated potentiometrically at an ionic strength of 0.10M(LiCl) in 19.8, 33.6 and 55.9 % (v/v) methanol ...
Kiliç Hasan, Birol Er
doaj +1 more source
A Sensor for Electrochemical pH Monitoring Based on Laser-Induced Graphene Modified with Polyfolate
Chemosensors, 2023 A laser-induced graphene (LIG) modified with chitosan (Chit) and conducting polymer polyfolate (PFA) was used as a base to develop a flat and flexible pH sensor. LIGs were formed using two different irradiation wavelengths of 355 nm and 532 nm. Depending
Vytautas Žutautas +5 more
doaj +1 more source
When spectroscopy fails: The measurement of ion pairing [PDF]
, 2006 Spectroscopic techniques such as UV/vis, NMR, and Raman are powerful tools for the investigation of chemical speciation in solution. However, it is not widely recognized that such techniques do not always provide reliable information about ion ...
Hefter, G.
core +2 more sources
Frontiers in Chemistry, 2018 Due to its 4 carbonic acid groups being available for bioconjugation, the cyclen tetraphosphinate chelator DOTPI, 1,4,7,10-tetraazacyclododecane-1,4,7, 10-tetrakis[methylene(2-carboxyethylphosphinic acid)], represents an ideal scaffold for synthesis of ...
Alexander Wurzer +6 more
doaj +1 more source