✦ LIBER ✦

A least-squares approach to the quantitation of stable isotopes in mass spectrometry

✍ Scribed by Wai-Nang Paul Lee; James S. Whiting; Alain L. Fymat; Heinz G. Boettger

Publisher: John Wiley and Sons
Year: 1983
Tongue: English
Weight: 490 KB
Volume: 10
Category: Article
ISSN: 1076-5174
DOI: 10.1002/bms.1200101204

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The Role of Isotope Dilution Mass Spectr

The Role of Isotope Dilution Mass Spectrometry in the Development of Tandem Mass Spectrometry for Quantitative Organic Analysis

✍ Kenneth S. Webb; David Carter 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 86 KB 👁 2 views

Tandem mass spectrometry (MS/MS) has the significant advantage of improving selectivity and overcoming interferences present in conventional mass spectrometry. The quantitative use of MS/MS is discussed with reference to sources of instrumental error and ways to minimize such errors. Key parameters

A non-linear asymmetric error function-b

A non-linear asymmetric error function-based least mean square approach for the analysis of multicomponent mass spectra measured by membrane inlet mass spectrometry

✍ Raimo A. Ketola; Marja Ojala; Veikko Komppa; Tapio Kotiaho; Jouni Juujärvi; Jukk 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 104 KB 👁 2 views

A nonlinear asymmetric error function-based least mean square method (NALMS) for the deconvolution of identity and quantity of individual compounds based on the multicomponent mass spectra measured by membrane inlet mass spectrometry (MIMS) was developed and detailed testing results are presented. T

A rapid method for the preparation of co

A rapid method for the preparation of combustion samples for stable carbon isotope analysis by isotope ratio mass spectrometry

✍ Brian A. McGaw; Eric Milne; Gary J. Duncan 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 448 KB 👁 1 views

The use of static mass spectrometry to d

The use of static mass spectrometry to determine the combined stable isotopic composition of small samples of atmospheric methane

✍ Sarah M. Jackson; Geraint H. Morgan; Andrew D. Morse; Anna L. Butterworth; Colin 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 78 KB 👁 2 views

Global budgets of atmospheric trace gases are increasingly being constrained by means of stable isotope measurements. Published analytical techniques for studying the parallel stable isotopic composition of methane (d 13 C and d D) require prohibitively large quantities of methane for analysis, maki

Quantitative determination of the angiot

Quantitative determination of the angiotensin-converting enzyme inhibitor lisinopril in human plasma by stable isotope dilution gas chromatography/negative ion chemical ionization mass spectrometry

✍ H. J. Leis; G. Fauler; G. Raspotnig; W. Windischhofer 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 107 KB 👁 2 views

A simple, highly accurate and precise method for the quantitative measurement of the angiotensinconverting enzyme inhibitor lisinopril in human plasma is presented. The assay is based on gas chromatography/negative ion chemical ionization mass spectrometry. The preparation of stable isotope labelled

The power of iterated generalized least

The power of iterated generalized least squares (GLS) method to detect direct relationships in the analysis of correlated quantitative traits

✍ Qimei He; Barbara B. Nemesure; Nancy R. Mendell 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 27 KB 👁 2 views

We examined the power of the stepwise iterated generalized least squares (GLS) method by modeling the relationship between quantitative traits and other variables using the simulated data for Problem 2A. The comparison between the generating model provided by the workshop and the results of the step