Results 31 to 40 of about 141,863 (280)

Seagrass Posidonia oceanica (L.) Delile as a marine biomarker: A metabolomic and toxicological analysis [PDF]

, 2018
A human-made environmental disaster due to the shipwrecked of Costa Concordia cruise vessel on the Tuscan Island of Giglio (Italy) coast and the possible pollutants release has been feared, so requiring the activation of removal operations and the ...
Agostini, Ardizzone, Beck, Bitam, Boudouresque, Cannac, Dalla Via, Del Moral, Del Serrone, Di Sotto, Di Sotto, Di Sotto, Di Sotto, Dumay, Díaz, Farah, Fitzpatrick, Fonseca, Francour, Gacia, Gacia, Grace, Greco, Heglmeier, Jones, Kuo, Lassauque, Maestrini, Maggi, Moglia, Mollica, Montefalcone, Nicoletti, Nicoletti, Pérez, Reich, Richir, Ruiz, Sager, Toniolo   +39 more
core   +1 more source

A tutorial on solid-phase analytical derivatization in sample preparation applications

Journal of Chromatography Open
Solid-phase analytical derivatization is a versatile sample preparation technique that enhances analysis accuracy, efficiency, reproducibility, and sensitivity. The technique combines the advantages of analytical derivatization and solid-phase extraction,
Azamat Temerdashev, Sanka N. Atapattu, Yu-Qi Feng   +2 more
doaj   +1 more source

Occurrence and Levels of Biogenic Amines in Beers Produced by Different Methods

Foods, 2021
The concentration of biogenic amines (BAs) in beer depends, among other factors, on the activity of microorganisms, in particular lactic acid bacteria.
Katarzyna Nalazek-Rudnicka, Wojciech Wojnowski, Andrzej Wasik   +2 more
doaj   +1 more source

Recent trends and developments in pyrolysis-gas chromatography: review [PDF]

, 2008
Pyrolysis-gas chromatography (Py-GC) has become well established as a simple, quick and reliable analytical technique for a range of applications including the analysis of polymeric materials.
Arias, Armitage, Aslan, Asperger, Asperger, Asperger, Asperger, Bertini, Beyer, Blackledge, Blokker, Bonaduce, Bruck, Buckley, Buco, Campbell, Casas-Catalán, Causin, Challinor, Challinor, Challinor, Chang, Chiavari, Choi, Choi, Colombini, De Koeijer, De la Cruz-Canizares, Dignac, Doménech-Carbó, Doménech-Carbó, Dunn, Dzierzega-Lecznar, Dzierzega-Lecznar, Egan, Erickson, Evans, Evans, Fabbri, Fabbri, Fanter, Fifield, Flodin, Garcette-Lepecq, Gleixner, González-Vila, Goodacre, Greenwood, Greenwood, Greenwood, Greenwood, Guo, Gupta, Göbbels, Gözet, Halket, Halket, Heffenden, Herrera, Horrocks, Ikeya, Ishikawa, Islas, Jakab, Jamin, Jansson, Jarde, Jia, Jin, Jose Gonzalez-Rodriguez, Karina L. Sobeih, Kechang, Kochanowski, Kumooka, Lattimer, Lazaro, Learner, Levy, Li, Ling, Liu, Mao, Marinari, Marinari, Mark Baron, Marques, Maynard, Meruva, Metz, Moldoveanu, Mowry, Munson, Mäkinen, Nierop, Odermatt, Odermatt, Oguz, Ohshima, Osete-Cortina, Osete-Cortina, Osete-Cortina, Park, Parsi, Parsi, Parsi, Parsi, Partouche, Pasch, Peacock, Pel, Pel, Perng, Perng, Petsch, Poerschmann, Poirier, Prasad, Prati, Raghavan, Raulin, Ristau, Ristolainen, Rodriguez, Ross, Räisänen, Sakayanagi, Scalarone, Schmidt, Schwarzinger, Sephton, Sessions, Snyder, Stauffer, Stout, Stout, Stout, Suelves, Sugden, Sun, Sundarrajan, Suuronen, Takayasu, Takayasu, Tanczos, Thomsen, Tsai, Tsuge, Tsuge, Tzamtzis, Urakami, Uyar, Uyar, Vanderborgh, Volkman, Wampler, Wampler, Wampler, Wang, Wang, Wang, Wang, Wang, Wang, Wang, Wang, Wang, White, Wilkes, Wilkes, Yamamoto, Yang, Yaylayan, Yinon, Zhang, Zhou, Zhu, Zimmerman, Zlotnick, Çoban-Yildiz, Łakomy   +179 more
core   +1 more source

Simple, selective, and sensitive measurement of urea in body fluids of mammals by reversed-phase ultra-fast liquid chromatography

Czech Journal of Animal Science, 2012
Ultra-fast liquid chromatography with a photodiode array detector for simple and rapid determination of urea in body fluids of farm animals is described.
M. Czauderna, J. Kowalczyk
doaj   +1 more source

Derivatization Strategies in Flavor Analysis: An Overview over the Wine and Beer Scenario

Chemistry, 2022
Wine and beer are the most appreciated and consumed beverages in the world. This success is mainly due to their characteristic taste, smell, and aroma, which can delight consumer’s palates.
Maurizio Piergiovanni, Veronica Termopoli   +1 more
doaj   +1 more source

Modulating Linker Composition of Haptens Resulted in Improved Immunoassay for Histamine. [PDF]

, 2019
Histamine (HA) is an important food contaminant generated during food fermentation or spoilage. However, an immunoassay for direct (derivatization free) determination of HA has rarely been reported due to its small size to induce the desired antibodies ...
Dong, Jie-Xian, Hammock, Bruce, Jia, Bao-Zhu, Lei, Hong-Tao, Luo, Lin, Shen, Yu-Dong, Wang, Hong, Wei, Xiao-Qun, Xu, Zhen-Lin, Yang, Jin-Yi   +9 more
core   +1 more source

Analysis of Fragmentation Pathways of Peptide Modified with Quaternary Ammonium and Phosphonium Group as Ionization Enhancers

Molecules, 2021
Peptide modification by a quaternary ammonium group containing a permanent positive charge is a promising method of increasing the ionization efficiency of the analyzed compounds, making ultra-sensitive detection even at the attomolar level possible ...
Monika Kijewska, Dorota Gąszczyk, Remigiusz Bąchor, Piotr Stefanowicz, Zbigniew Szewczuk   +4 more
doaj   +1 more source

Stable-Isotope Dilution GC–MS Measurement of Metformin in Human Serum and Urine after Derivatization with Pentafluoropropionic Anhydride and Its Application in Becker Muscular Dystrophy Patients Administered with Metformin, l-Citrulline, or Their Combination

Molecules, 2022
Metformin (N,N-dimethylguanylguanidine) is one of the most prescribed drugs with pleiotropic, exerted in part by not fully elucidated mechanisms of action.
Svetlana Baskal, Alexander Bollenbach, Bettina Henzi, Patricia Hafner, Dirk Fischer, Dimitrios Tsikas   +5 more
doaj   +1 more source

Simultaneous cyclization and derivatization of peptides using cyclopentenediones [PDF]

, 2017
Unprotected linear peptides containing N-terminal cysteines and another cysteine residue can be simultaneously cyclized and derivatized using 2,2-disubstituted cyclopentenediones. High yields of cyclic peptide conjugates may be obtained in short reaction
Agramunt, Jordi, Archibald, Lewis J., Brun, Omar, Grandas, Anna, Pedroso, Enrique   +4 more
core   +2 more sources