Výsledky vyhledávání - "Steven J. Doherty"

Antimony(V) Incorporation into Schwertmannite: Critical Insights on Antimony Retention in Acidic Environments

Autor: Mohammad Rastegari, Niloofar Karimian, Scott G. Johnston, Steven J. Doherty, Jessica L. Hamilton, Girish Choppala, Mona Hosseinpour Moghaddam, Edward D. Burton

Publikováno v: Environmental Science & Technology. 56:17776-17784

This study examines incorporation of Sb(V) into schwertmannite─an Fe(III) oxyhydroxysulfate mineral that can be an important Sb host phase in acidic environments. Schwertmannite was synthesized from solutions containing a range of Sb(V)/Fe(III) rat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29675482d6ba43fe9182099ec64adb17
https://doi.org/10.1021/acs.est.2c07341

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On-Line Application of Near-Infrared Spectroscopy for Monitoring Water Levels in Parts per Million in a Manufacturing-Scale Distillation Process

Autor: Sze Wing Wong, Steven J. Doherty, Mark A. LaPack, Norma Scully, Zhenqi Shi, Gordon R. Lambertus, Robert A. Forbes, James Hermiller, Timothy T. Kramer

Publikováno v: Applied Spectroscopy. 68:445-457

An on-line analytical method based on transmission near-infrared spectroscopy (NIRS) for the quantitative determination of water concentrations (in parts per million) was developed and applied to the manufacture of a pharmaceutical intermediate. Cali

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f76f79d8f7e38b9eac7c69e04476575f
https://doi.org/10.1366/13-07260

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Avoiding pitfalls with chemometrics and PAT in the pharmaceutical and biotech industries

Autor: Andrew J. Lange, Steven J. Doherty

Publikováno v: TrAC Trends in Analytical Chemistry. 25:1097-1102

This article is to help pharmaceutical scientists, especially those who do not specialize in chemometrics, to avoid obvious errors and pitfalls. It is also intended to inform the wider analytical community about the possibilities and the limitations

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d10ed0f8752df311d39d03336c2ee29e
https://doi.org/10.1016/j.trac.2006.10.003

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On-Line Applications in the Pharmaceutical Industry

Autor: Charles N. Kettler, Steven J. Doherty

Publikováno v: Process Analytical Technology

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ecf572e33363ea4d4bb0f4acd2c0e27
https://doi.org/10.1002/9780470988459.ch9

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Direct secondary-ion mass spectrometric analysis of mixtures separated by thin-layer chromatography and electrophoresis

Autor: M.S. Stanley, Steven J. Doherty, K.L. Duffin, Kenneth L. Busch

Publikováno v: Analytica Chimica Acta. 200:447-458

Secondary-ion mass spectrometry (SIMS) is used to sputter ions directly from thin-layr chromatograms in which components in a mixture have been separated. Mixtures of phenothiazine drugs and small peptides have been separated an detected by the chrom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f91d310749f490447f67f762e22e060
https://doi.org/10.1016/s0003-2670(00)83790-3

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Secondary-ion mass spectra and fast-atom-bombardment mass spectra of liquid polymers: alkoxylated pyrazoles and hydrazines

Autor: Steven J. Doherty, Kenneth L. Busch

Publikováno v: Analytica Chimica Acta. 187:117-127

The positive-ion secondary-ion mass (s.i.m.) spectra of polyalkoxylated hydrazines and pyrazoles contain series of ions that reflect the degree of polymerization of the parent compound, and also suggest the presence of several discrete polymeric seri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ba5eb509a182bde05cfe5e57c4c0004
https://doi.org/10.1016/s0003-2670(00)82904-9

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