Zobrazeno 1 - 10
of 7 478
pro vyhledávání: '"Ionization detector"'
Publikováno v:
Наукові горизонти, Vol 27, Iss 6, Pp 73-85 (2024)
The purpose of this study was to assess the concentrations of persistent organic pollutants in the White Drin River, Kosovo region. The study focused on organochlorine pesticides, polychlorinated biphenyls, polycyclic aromatic hydrocarbons, and benze
Externí odkaz:
https://doaj.org/article/cd7d0d54eb0e4bc69ec0daa971d69041
Publikováno v:
Frontiers in Public Health, Vol 12 (2024)
BackgroundThe prevalence of cannabis as the most commonly used illicit substance in the United States and around the globe is well-documented. Studies have highlighted a noticeable uptrend in the potency of cannabis in the United states. This report
Externí odkaz:
https://doaj.org/article/658950a08dfd4470a6a4ca6edb856e5c
Publikováno v:
Новые технологии, Vol 20, Iss 1, Pp 50-62 (2024)
The article presents the research on the adaptation and implementation of a method for determining mono- and diacylglycerols in vegetable oils. The relevance of the research is determined by the introduction of standardization of monochloropropanedio
Externí odkaz:
https://doaj.org/article/4004928d0d1148b78b3b2ee9c4e7e18f
Autor:
Hiromi Aono, Kumiko Arai, Mariko Ono-Ogasawara, Kenji Yamamuro, Masami Shimada, Takayuki Okada, Toshihiro Kawamoto
Publikováno v:
Environmental and Occupational Health Practice, Vol 6, Iss 1 (2024)
Objectives: This study aims to develop and validate a sampler to measure workers’ exposure to the vapor and mist of benzyl alcohol. Methods: Recovery rate, extraction and desorption rates, breakthrough, and storage stability were tested using Slim-
Externí odkaz:
https://doaj.org/article/dd8047e273704cea80a6d967ae64e6eb
Publikováno v:
Separations, Vol 11, Iss 9, p 270 (2024)
Short-chain fatty acids (SCFAs) in feces are inextricably linked to intestinal homeostasis and can be used as potential markers for metabolic diseases. In this study, an efficient and simple method was developed for the purification of SCFAs without
Externí odkaz:
https://doaj.org/article/4c778aaf6e554a06a0423b9171d5de51
Autor:
Karol Malinowski, Maryna Chernyshova, Sławomir Jabłoński, Tomasz Czarski, Andrzej Wojeński, Grzegorz Kasprowicz
Publikováno v:
Sensors, Vol 24, Iss 16, p 5113 (2024)
The objective of the proposed research is to develop plasma soft X-ray (SXR) radiation imaging that includes spectral information in addition to standard SXR tomography for the purpose of studying, for example, tungsten transport and its interplay wi
Externí odkaz:
https://doaj.org/article/7166e165c2ff4411870520af36863c05
Autor:
Seunghyeon Yang, Jeffrey Wickliffe, Gottfried Kibelka, Edward B. Overton, Claudiu T. Lungu, Jonghwa Oh
Publikováno v:
Journal of Analytical Science and Technology, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract The standard method to evaluate human exposure to volatile organic compounds (VOCs) is in general performed by sampling the air on sorbents followed by liquid extraction and detection using laboratory gas chromatograph (GC). The conventional
Externí odkaz:
https://doaj.org/article/2a404fe7fe69426abb167e05d1e01e65
Publikováno v:
Shipin Kexue, Vol 44, Iss 12, Pp 235-243 (2023)
Gas chromatography-ion mobility spectrometry (GC-IMS), gas chromatography-flame ionization detector (GC-FID), gas chromatography-mass spectrometry (GC-MS) and sensory evaluation were used to study the chemical flavor and sensory characteristics of sa
Externí odkaz:
https://doaj.org/article/a39888daf9cd4c19a033a44206c94631
Autor:
Fernanda Marques de Souza Godinho, Maria Tereza Friedrich, Elisa Cristina Modesto, Amanda de Souza da Mota
Publikováno v:
Acta Scientiarum: Animal Sciences, Vol 46, Iss 1 (2023)
Considering that buffalo milk is one of the richest in composition, mainly due to its fat fraction, the objective of this research communication was to determine the detailed fatty acid (FA) profile of buffalo milk produced in southern Brazil. Sample
Externí odkaz:
https://doaj.org/article/ed212e99e0fc4ef5ba93de78754d4abf
Publikováno v:
Toxicology Reports, Vol 10, Iss , Pp 647-658 (2023)
Total mercury and fatty acids contents were determined in muscles of croaker, snapper, dolphinfish, blue marlin, and shark, from different markets in the Metropolitan District of Quito, Ecuador. Fifty-five samples were collected and analyzed for tota
Externí odkaz:
https://doaj.org/article/3c1871db1d84465a920fe26a24dfee31