✦ LIBER ✦

Optimal procedure for combined high-performance thin-layer chromatography/high-sensitivity liquid secondary ion mass spectrometry

✍ Scribed by W. Chai; G. C. Cashmore; R. A. Carruthers; M. S. Stoll; A. M. Lawson

Publisher: John Wiley and Sons
Year: 1991
Tongue: English
Weight: 676 KB
Volume: 20
Category: Article
ISSN: 1076-5174
DOI: 10.1002/bms.1200200403

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Enzyme degradation, high performance liq

Enzyme degradation, high performance liquid chromatography and liquid secondary ion mass spectrometry in the analysis of glycoproteins

✍ Kevin D. Smith; Anne-Marie Harbin; Robert A. Carruthers; Alexander M. Lawson; El 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 541 KB

Structural characterization of intact, b

Structural characterization of intact, branched oligosaccharides by high performance liquid chromatography and liquid secondary ion mass spectrometry

✍ James W. Webb; Ke Jiang; Beth L. Gillece-Castro; Anthony L. Tarentino; Thomas H. 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 845 KB

We report results of a mass-spectrometric-based strategy for determining the detailed structural features of N-linked oligosaccharides from glycoproteins. The method was used to characterize a series of intact, high mannose oligosaccharides isolated from human immunoglobulin M (IgM). The IgM was pur

Microbore high performance liquid chroma

Microbore high performance liquid chromatography–ion spray mass spectrometry for the determination of peptides

✍ Edgar D. Lee; Jack D. Henion; Thomas R. Covey 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 English ⚖ 446 KB

Microbore high performance liquid chromatography-ion spray mass spectrometry is demonstrated for the determination of peptides. The ion spray mass spectra of peptides contained primarily only (M+nH)"+ ions (n is the degree of protonation). The linearity for a dilution series of leucine enkephalin wa

Comparative study of roots of Angelica s

Comparative study of roots of Angelica sinensis and related umbelliferous drugs by thin layer chromatography, high-performance liquid chromatography, and liquid chromatography – mass spectrometry

✍ Sibylle Zschocke; Jiang-Hua Liu; Hermann Stuppner; Rudolf Bauer 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 185 KB 👁 2 views

Thin layer and high performance liquid chromatographic methods for a rapid and clear differentiation of morphologically similar umbelliferous drugs, namely Angelica sinensis (Oliv.) Diels, A. pubescens Maxim. f. biserrata Shan et Yuan, A. dahurica (Fisch. ex Hoffm.) Benth et Hook, Ligusticum porteri

High performance liquid chromatography m

High performance liquid chromatography mobile phase composition optimization for the quantitative determination of a carboxylic acid compound in human plasma by negative ion electrospray high performance liquid chromatography tandem mass spectrometry

✍ Mohammed Jemal; Zheng Ouyang; Deborah S. Teitz 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 100 KB 👁 3 views

A systematic investigation was undertaken to study the effects of varying concentrations of additives in the acetonitrile/water high performance liquid chromatography mobile phase, especially formic acid and ammonium formate, on the negative ion electrospray response of a carboxylic acid compound. T

Liquid–liquid extraction procedure for t

Liquid–liquid extraction procedure for trace determination of cyclophosphamide in human urine by high-performance liquid chromatography tandem mass spectrometry

✍ Cristina Sottani; Roberta Turci; Luigi Perbellini; Claudio Minoia 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 132 KB 👁 3 views

A sensitive, specific and accurate high performance liquid chromatography/ionspray-tandem mass spectrometry procedure (HPLC/MS/MS) has been developed to quantify cyclophosphamide in human urine from hospital personnel involved in drug preparation and administration of antineoplastic alkylating agent