Detail of "62796-29-6"

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Surface modification of glass beads with an aminosilane monolayer

All Rights Reserved. Surface modification of glass beads with an aminosilane monolayer. Arslan, Gulsin; Ozmen, Mustafa; Gunduz, Beniz; Zhang, Xunli; Ersoz, Mustafa (Department of Chemistry, Selcuk University, Konya 42075, Turk.).There are some reagents with their cas registry numbers 919-30-2 and 62796-29-6 are used in this study. Turkish Journal of Chemistry, 30(2), 203-210 (English) 2006 Scientific and Technological Research Council of Turkey. CODEN: TJCHE3. ISSN: 1300-0527. DOCUMENT TYPE: Journal CA Section: 66 (Surface Chemistry and Colloids) Surface modification of glass beads with a self-assembled monolayer of (3-Aminopropyl)-triethoxysilane (APTES) was studied. Characterization of the self-assembled monolayer was confirmed by a reaction between amine terminal groups and thionylchloride of Rhodamine-B dye using fluorescence microscopy. Quant. 3-dimensional profiling was obtained for all modification processes by converting microscopic images to numerical values. The reaction steps were also analyzed using IR spectroscopy (FTIR). .

Liquid chromatographic determination of estradiol in serum by pre-column derivatization with dansyl chloride or laryl chloride and peroxyoxalate chemiluminescence detection

Liquid chromatographic determination of estradiol in serum by pre-column derivatization with dansyl chloride or laryl chloride and peroxyoxalate chemiluminescence detection. Kwakman, P. J. M.; Kamminga, D. A.; Brinkman, U. 62796-29-6 and 50-28-2 are also occured in this study. A. T.; De Jong, G. J. (Dep. Anal. Chem., Free Univ., Amsterdam 1081 HV, Neth.). J. Pharm. Biomed. Anal., 9(9), 753-9 (English) 1991. CODEN: JPBADA. ISSN: 0731-7085. DOCUMENT TYPE: Journal CA Section: 2 (Mammalian Hormones) Column liq. chromatog. with chemiluminescence detection is used to det. estradiol in serum. Estradiol is labeled by means of a 2-phase derivatization procedure with either dansyl chloride or laryl chloride. After derivatization the excess reagent is removed on a short amino-bonded column: the sulfonyl chloride functional group reacts with the amino groups causing removal of the label; the estradiol derivs. are not retained. Chromatog. of estradiol derivs. is performed with methanol-water mixts. as eluent. Chem. excitation is carried out by adding bis(2-nitrophenyl)oxalate and hydrogen peroxide dissolved in acetonitrile to the column eluate. Linearity is obsd. over at least 3 decades (10-6-10-9M) for both dansyl chloride and laryl chloride. A detection limit of 5 ′ 10-10M (50 fmol injected) has been achieved and the dansyl derivatization method has been applied to the detn. of estradiol in spiked serum. .