Results 31 to 40 of about 495,325 (290)

A detailed study of the diastereoselective catalytic hydrogenation of 6-hydroxytetrahydroisoquinoline-(3R)-carboxylic ester intermediates [PDF]

, 2012
A key step towards a highly-selective antagonist of ionotropic glutamate receptors entails the diastereoselective arene hydrogenation of an enantiopure tetrahydroisoquinoline.
Ager, David J.,, Argentine, Mark D.,, Fennell, Jared W.,, Lefort, Laurent,, Maloney, Todd D.,, Scherer, Roger B.,, Sereinig, Natascha,, Straatman, Harrie,, Sullivan, Kevin A.,, Vries, Johannes G. de,, Werner, John A.,   +10 more
core   +1 more source

Flow injection determination of readily assimilable nitrogen compounds during vinification [PDF]

, 2002
A flow injection method for the determination of readily assimilable nitrogen (r.a.n.), i.e. ammonium and aminated nitrogen, is reported. The difference in pH of the sample in the presence and absence of formaldehyde, which blocks the amino function ...
Crowell, Delmas, J. González-Rodríguez, M. D. Luque de Castro, P. Pérez-Juan, Rosen, Whiteside, Whiteside, Yao   +8 more
core   +1 more source

Improvements to the APBS biomolecular solvation software suite [PDF]

, 2017
The Adaptive Poisson-Boltzmann Solver (APBS) software was developed to solve the equations of continuum electrostatics for large biomolecular assemblages that has provided impact in the study of a broad range of chemical, biological, and biomedical ...
Baker, Nathan A., Brandi, Juan, Brookes, David H., Chen, Jiahui, Chun, Minju, Dolinsky, Todd, Engel, Dave, Felberg, Lisa E., Geng, Weihua, Gohara, David W., Head-Gordon, Teresa, Holst, Michael J., Jurrus, Elizabeth, Koes, David R., Konecny, Robert, Krasny, Robert, Li, Peter, Liles, Karina, McCammon, J. Andrew, Monson, Kyle, Nielsen, Jens Erik, Star, Keith, Wei, Guo Wei, Wilson, Leighton   +23 more
core   +2 more sources

Processing waste printed circuit boards for material recovery [PDF]

, 2007
PURPOSE We have investigated the use of pyrolysis for the processing of waste printed circuit boards (PCBs). The aim was to make the process of separating the organic, metallic, and glass fibre fractions of PCBs much easier and therefore make ...
Hall, W.J., Williams, P.T
core   +1 more source

Gas chromatography-mass spectrometry and Fourier-transform infrared spectroscopy coupled to chemometrics for metabolome analysis of different milk types in the light of green analytical chemistry [PDF]

PeerJ
Background Milk is an important dietary source for a healthy and balanced diet, owing to its rich content of proteins, fats, sugars, vitamins, and minerals.
Mohamed A. Farag, Sherif M. Eid, Sherine El-Shamy   +2 more
doaj   +2 more sources

Greenness of procedures using NADES in the preparation of vegetal samples: Comparison of five green metrics

Talanta Open, 2022
The principles of green analytical chemistry have led to the development of analytical procedures that are increasingly sustainable. Different metrics have been created for the evaluation of greenness, although determination of the green nature of new ...
Sabrina S. Ferreira, Thomas A. Brito, Ana P.R. Santana, Taciana G.S. Guimarães, Rafaela S. Lamarca, Karen C. Ferreira, Paulo C. F. Lima Gomes, Andrea Oliveira, Clarice D.B. Amaral, Mario H. Gonzalez   +9 more
doaj   +1 more source

Determination of chemical properties in ‘calçot’ (Allium cepa L.) by near infrared spectroscopy and multivariate calibration [PDF]

, 2018
‘Calçots’, the immature floral stems of second-year onion resprouts, are an economically important traditional crop in Catalonia (Spain). Classical approaches to evaluating the chemical properties of ‘calçots’ are time consuming and expensive; near ...
Boqué, Ricard, Casals Missio, Joan, Ferré, Joan, Sabaté Reboll, José, Sans Molins, Sílvia, Simó Cruanyes, Joan   +5 more
core   +2 more sources

Methylmercury varies more than one order of magnitude in commercial European rice [PDF]

, 2017
P.M. thanks the Royal Thai Government for funding and C.C.B.
Brombach, Christoph-Cornelius, Chen, Bin, Corns, Warren T, Ezzeldin, Mohamed Farouk, Feldmann, Jorg, Kolambage-Dona, Piumi P.P., Krupp, Eva Maria, Manorut, Parinda   +7 more
core   +1 more source

Enhancing Sustainable Analytical Chemistry in Liquid Chromatography: Guideline for Transferring Classical High-Performance Liquid Chromatography and Ultra-High-Pressure Liquid Chromatography Methods into Greener, Bluer, and Whiter Methods

Molecules
This review is dedicated to sustainable practices in liquid chromatography. HPLC and UHPLC methods contribute significantly to routine analytical techniques.
Sami El Deeb
doaj   +1 more source

Atomic spectrometry update. Clinical and biological materials, foods and beverages [PDF]

, 2013
This review discusses developments in elemental mass spectrometry, atomic absorption, emission and fluorescence, XRF and LIBS, as applied to the analysis of specimens of clinical interest, foods and beverages.
Day, Martin P., Hill, Sarah, Marshall, John, Patriarca, Marina, Taylor, Andrew, White, Mark   +5 more
core   +2 more sources