Results 51 to 60 of about 4,456 (184)

Determination of 30 Kinds of Antiparasitic Drugs in Animal-derived Foods by QuEChERS-UPLC-MS/MS

Shipin gongye ke-ji
Objective: A method for determining the residues of 30 antiparasitic drugs in animal-derived food using ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was established.
Lifeng FENG, Qian HUANG, Mengwei YE, Yonghui HUANG, Yan HUANG, Haoxue LIN, Min LIANG, Hui XU   +7 more
doaj   +1 more source

Multistressor Interaction of Perfluorooctane Sulfonate (PFOS) and Temperature in Two Estuarine Fish Species, Red Drum (Sciaenops ocellatus) and Sheepshead Minnow (Cyprinodon variegatus)

Environmental Toxicology, EarlyView.
ABSTRACT Perfluorooctane sulfonate (PFOS), a perfluoroalkyl substance (PFAS), is characterized by a long, fluorinated carbon chain which makes it ideal for oil‐ and water‐repellent products but detrimental for the environment, where it persists and accumulates in organisms.
Anna L. Thornton, Katy W. Chung, Peter B. Key, Emily C. Pisarski, Philip Tanabe, Marie E. DeLorenzo   +5 more
wiley   +1 more source

A QuEChERS Cyanin based Chromogenic Method for the Sensitive Identification of MRSA from Various Food Sources and its Molecular Characterization

Journal of Pure and Applied Microbiology
Methicillin resistant Staphylococcus aureus harbouring other virulence factors in food is a serious threat to food safety. Delayed detection of MRSA may lead to fatal consequences due to the challenging treatment methods.
Mariya Tomy, Shylaja Ramlal, M.M. Parida, Joseph Kingston   +3 more
doaj   +1 more source

Sixty mycotoxins in nuts and dried fruits simultaneously detected by QuEChERS combined with UPLC-Orbitrap/MS

Zhongguo shipin weisheng zazhi, 2022
ObjectiveA qualitative and quantitative method was established for the simultaneous detection of 60 mycotoxins in nuts and dried fruits.MethodsPeanuts and raisins， two typical food substrates rich in fat and sugar， were pre-processed by QuEChERS ...
WANG Wei, YU Tingting, ZHANG Li, FAN Zhiyong, JIANG Feng, WANG Huixia   +5 more
doaj   +1 more source

Legacy hexaconazole and tricyclazole residues hinder organic transition in paddy rice cultivation

Agricultural &Environmental Letters, Volume 11, Issue 2, December 2026.
Hexaconazole and tricyclazole residues persisted in paddy soil throughout the three consecutive growing seasons after a single foliar application. These findings, combined with potential animal feed risks from contaminated rice straw, indicate that the current 2‐year organic transitional period is insufficient, necessitating extended conversion periods
Suin Cho, Hye‐In Joe, Tae‐Hwa Kim, Jong‐Woo Park, Byeong‐Jin Bae, Byeung‐Kon Shin, Jeong‐In Hwang   +6 more
wiley   +1 more source

Determination of 47 Pesticide Residues in Tea by QuEChERS Method Combined with Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry

Shipin gongye ke-ji
An analysis method for simultaneous determination of 47 kinds of pesticide residues in tea was established by QuEChERS method combined with ultra performance liquid chromatography-tandem mass spectrometry.
Huawen LIU, Meiqing DENG, Beiyan CHEN
doaj   +1 more source

Oxidative stress in honey bees (Apis mellifera) and small carpenter bees (Ceratina calcarata) across different landscapes

Physiological Entomology, Volume 51, Issue 3, Page 526-536, September 2026.
First comparative study in oxidative stress between wild bees and managed bees. Bees collected from organic landscapes exhibited the lowest OX levels. Pesticide profiles were different among landscapes. Abstract Oxidative stress (OX) is a state of imbalance between antioxidants and reactive oxygen species, which are the byproducts of oxidative ...
Keiana Briscoe, Mia Byarlay, Rameshwor Pudasaini, Reed Johnson, Sandra Rehan, Hongmei Li‐Byarlay   +5 more
wiley   +1 more source

Analysis of selected organochlorine pesticides in honey samples from Poland: a pilot study

Roczniki Panstwowego Zakladu Higieny
Background Organochlorine pesticides (OCPs) were widely used in crop protection in the past. Due to their high chemical persistence and widespread presence in the environment, they have been classified as persistent organic pollutants (POPs). Given their
Radosław Lewiński, Agnieszka Hernik, Monika Liszewska, Katarzyna Czaja, Wojciech Korcz, Paweł Struciński   +5 more
doaj   +1 more source

Liquid chromatography–mass spectrometry analysis of carvacrol in chicken tissues

Journal of Veterinary Research, 2022
Carvacrol is an essential oil derived from oregano that is used as a natural additive to improve the efficiency of livestock nutrition. Residues of natural additives such as carvacrol should be monitored in food of animal origin to ensure consumer safety.
Śniegocki Tomasz
doaj   +1 more source

Optimized SPE‐HPLC‐FLD Method for the Simultaneous Determination of Olaparib, Propranolol, and Furosemide in Human Urine

Biomedical Chromatography, Volume 40, Issue 8, August 2026.
ABSTRACT Olaparib belongs to the PARP inhibitors and is widely used as an anticancer drug. Due to frequent side effects, it is usually co‐administered with an antihypertensive, such as propranolol and/or an antidiuretic, such as furosemide. In this study, a highly sensitive HPLC‐FLD method was developed for the simultaneous determination of the three ...
Georgios Kamaris, Antonia Kalagia, Catherine K. Markopoulou   +2 more
wiley   +1 more source