Results 21 to 30 of about 160,813 (191)
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
Journal of Dental Research, Dental Clinics, Dental Prospects, 2014 Background and aims. This study aimed to investigate release of nickel ion from three types of nickel-titanium-based wires in the as-received state and after immersion in a simulated oral environment. Materials and methods. Forty specimens from each of
Barat Ali Ramazanzadeh +3 more
doaj +1 more source
Spectrophotometry of nearby field galaxies: the data [PDF]
, 1999 We have obtained integrated and nuclear spectra, as well as U, B, R surface photometry, for a representative sample of 196 nearby galaxies. These galaxies span the entire Hubble sequence in morphological type, as well as a wide range of luminosities (M_B=
Cousins A. W. J. +4 more
core +3 more sources
Química Nova, 2010 The present work purposes the preparation of a silica gel sorbent organically modified with 2-aminoethyl-3-aminobutylmethyldimethoxysilane (AAMDMS) and imprinted with Cu2+ ions by means surface imprinting technique and its use for selective on-line ...
Thiago Carvalho de Ávila +3 more
doaj +1 more source
Gran Telescopio Canarias OSIRIS Transiting Exoplanet Atmospheric Survey: Detection of potassium in XO-2b from narrowband spectrophotometry [PDF]
, 2010 We present Gran Telescopio Canarias (GTC) optical transit narrow-band photometry of the hot-Jupiter exoplanet XO-2b using the OSIRIS instrument. This unique instrument has the capabilities to deliver high cadence narrow-band photometric lightcurves ...
A. Lecavelier des Etangs +59 more
core +3 more sources
Spectrophotometric determination of sotalol in tablets
Фармацевтичний журнал, 2018 In this investigation a visible spectrophotometric method for the determination of sotalol based on the absorbance of colored product of the reaction between sotalol hydrochloride and bromcresol purple in acetone medium at 399 nm measurement was ...
Y. M. Zhuk, S. O. Vasyuk
doaj +1 more source
Spectrophotometry of shell galaxies [PDF]
The Astrophysical Journal, 1986 Low dispersion spectra of two shell galaxies, NGC 3923 and NGC 3051, have been obtained covering the 5300Å to 10000Å spectral range. These long-slit spectra go through the nucleus of each galaxy and also through 12 shells in NGC 3923 and through 3 shells in NGC 3051.
openaire +2 more sources
A Convenient, Rapid, Sensitive, and Reliable Spectrophotometric Assay for Adenylate Kinase Activity
Molecules, 2019 Enzymatic activity assays are essential and critical for the study of enzyme kinetics. Adenylate kinase (Adk) plays a fundamental role in cellular energy and nucleotide homeostasis.
Kai Song +8 more
doaj +1 more source
Determination of the pKa for caffeic acid in mixed solvent using the net analyte signal method and ab initio theory [PDF]
Journal of the Serbian Chemical Society, 2019 Due to the biological effects of phenolic acid components, polyphenol-rich foods are a significant part of human and animal diets. In this study, the acidity constants of caffeic acid (3,4-dihydroxycinnamic acid) in binary mixtures of ethanol–water were ...
Dadras Abbas +6 more
doaj +1 more source
Why human color vision cannot reliably detect cerebrospinal fluid xanthochromia [PDF]
, 2005 Background - Visual assessment of cerebrospinal fluid (CSF) for xanthochromia ( yellow color) is practiced by the majority of laboratories worldwide as a means of diagnosing intracranical bleeds.Methods - Colorimetric and spectrophotometric analysis of ...
Keir, G, Petzold, A, Sharpe, TL
core +1 more source