Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Albert A. Tuinman"'
Publikováno v:
Analytical Chemistry. 75:2753-2760
The application of electrospray ionization mass spectrometry (ESI-MS) to trace-fiber color analysis is explored using acidic dyes commonly employed to color nylon-based fibers, as well as extracts from dyed nylon fibers. Qualitative information about
Autor:
Albert A. Tuinman, Tianniu Chen, C. E. Vallet, Keith T. Quisenberry, David B. Beach, Yun-Dong Wu, Xiaozhan Liu, Arnold L. Rheingold, R.A. Zuhr, Jonathan B. Diminnie, Zhongzhi Wu, Hu Cai, Thomas E. Concolino, Zhi-Hui Peng, Zi-Ling Xue, Jaime R. Blanton
Publikováno v:
Pure and Applied Chemistry. 73:331-335
Reactions of silanes with d0 Ta alkylidene and Group 4 amide complexes were found to involve the initial attack on silicon atoms in the silanes by nucleophilic alkylidene carbon or amide nitrogen atoms. The reaction of (Me3SiCH2) 3Ta (PMe 3) [=CHSiMe
Autor:
Albert A. Tuinman, Andrei A. Gakh
Publikováno v:
The Journal of Physical Chemistry A. 104:5888-5891
Complex mixtures of fused alicyclic fluorocarbons CnFm (n = 16−30, m = 30−50) were obtained during extensive fluorination of C60 beyond C60F48 using elemental fluorine at elevated temperatures (275−325 °C). Analysis of these fluorocarbon mixtu
Publikováno v:
Journal of Chromatography A. 873:163-173
A detailed comparison of the repeatability of the retention times, the peak efficiencies and the peak areas of a dozen probe compounds achieved in HPLC, using either HPLC-UV or HPLC-MS for detection purpose, is reported. Three groups of conventional
Autor:
Neil A. Whittemore, Muthiah Manoharan, Mullenix An, Cook Pd, Inamati Gb, James Q. Chambers, David C. Baker, Albert A. Tuinman
Publikováno v:
Bioconjugate Chemistry. 10:261-270
Electroactive oligodeoxynucleotides (ODNs) with specific base sequences have a potential application as electrical sensors for DNA molecules. To this end, a phosphoramidite that bears a 9, 10-anthraquinone (AQ) group tethered to the 2'-O of the uridi
Publikováno v:
The Journal of Physical Chemistry A. 102:9791-9796
Negative ion electrospray mass spectra of solutions containing C60 and a 100-fold molar excess of NaCN display numerous polyanionic species of the general form (C60)n(CN)mx- where n = 1−3, m = 1−7, and x = 1−3. Collision-induced dissociation st
Publikováno v:
Physical Review Letters. 78:4367-4370
The observation of sequential attachment of two electrons to the ${\mathrm{C}}_{84}$ molecule and the subsequent autodetachment of the ${\mathrm{C}}_{84}$ dianion is reported. Remarkably, the cross section for attaching the second electron is estimat
Autor:
Tabitha M. Callaway, Tianniu Chen, Zi-Ling Xue, Laurel A. Morton, Shu-Jian Chen, Maozhong Miao, Albert A. Tuinman, Xianghua Yu, Zheng Lu
Publikováno v:
Chemical communications (Cambridge, England). 49(83)
(Me3SiCH2)3(Me3SiC≡)W←O=PMe3 (1), an adduct between (Me3SiCH2)3W≡CSiMe3 (2) and O=PMe3, reacts with O2 to give O=W(OSiMe3)(CH2SiMe3)3 (3) and CO2. Reaction of 2 with H2O yields 3 and the trimer [(μ-O)W(CH2SiMe3)2(=O)(THF)]3 (4). In the reactio
Autor:
Robert N. Compton, Albert A. Tuinman, Changming Jin, Robert L. Hettich, Brett I. Dunlap, A. Derecskei-Kovacs, Dennis S. Marynick
Publikováno v:
Physical Review Letters. 73:2821-2824
The highly fluorinated chiral [ital C][sub 3[ital h]] molecule C[sub 60]F[sub 48] was observed to sequentially attach two electrons in the gas phase to produce C[sub 60]F[sub 48][sup 2[minus]] and C[sub 60]F[sub 46][sup 2[minus]]+F[sub 2]. The first
Autor:
K. Kniaz, S. D. Cameron, E. W. Hagaman, John E. Fischer, Robert N. Compton, Donald M. Cox, James L. Adcock, Albert A. Tuinman, Andrei A. Gakh
Publikováno v:
Journal of the American Chemical Society. 116:1115-1120
In order to better understand the properties and composition of solids of polyfluorinated C[sub 60], X-ray photoelectron spectroscopy (XPS) was used to characterize several different C[sub 60]F[sub x] samples synthesized in two different laboratories