Results 91 to 100 of about 19,418 (264)

Determination of 14 Anabolic Androgenic Steroids in Animal Derived Foods by QuEChERS-High Performance Liquid Chromatography-Tandem Mass Spectrometry

Shipin gongye ke-ji, 2022
A method was developed for the determination of 14 anabolic androgenic steroids including trenbolone, boldenone and nandrolone in animal derived foods by liquid chromatography-tandem mass spectrometry.
Jing WANG, Haichao ZHANG, Haitao JIA, Lianfeng AI   +3 more
doaj   +1 more source

Study on Soil Mobility of Two Neonicotinoid Insecticides [PDF]

, 2016
Movement of two neonicotinoid insecticide active ingredients, clothianidin (CLO) and thiamethoxam (TMX), was investigated in different soil types (sand, clay, or loam) and in pumice.
András Székács, Béla Darvas, János Győri, Mária Mörtl, Orsolya Kereki, Szandra Klátyik, Ágnes Vehovszky   +6 more
core   +2 more sources

Magnetic Cotton Stalk Biochar for Rapid and Eco‐Friendly Extraction and Determination of Triazole Pesticides in Fruit Juices

Food Safety and Health, Volume 4, Issue 1, Page 168-179, January 2026.
A magnetic solid‐phase extraction–liquid chromatography method for detecting triazole fungicides in fruit juices has been established using magnetic cotton stalk biochar. This method offers rapid analysis, high sensitivity, and environmentally friendly characteristics. ABSTRACT Triazole fungicides (TFs) are widely used but pose health risks. Among them,
Chaomin Zhong, Dan Ai, Yuyang Wang, Mengge Liu, Lei Ma, Huanyong Han, Di Chen, Xia Xu   +7 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

QuEChERS-UPLC-MS/MS Method to Determination of Alternaria Toxins and Contamination Analysis in Red Date and Its Products

Shipin gongye ke-ji, 2022
In order to further grasp the contamination level of Alternaria toxins in red date, this study took commercially available red date and its products as the research objects, explored the extraction method of mycotoxins with QuChERS as the core and ...
Lingling LU, Yingying FAN, Ruili ZHANG
doaj   +1 more source

The identification and determination of toxicants in food products and raw food materials by HPLC / TOF high resolution mass spectrometry [PDF]

, 2015
Предложена методология идентификации и определения из одной навески 300 токсикантов различных классов в пищевых продуктах и продовольственном сырье методом времяпролетной масс-спектрометрии высокого разрешения в сочетании с высокоэффективной жидкостной ...
Amelin, V. G., Andoralov, A. M., Korotkov, A. I., Nikeshina, T. B., Sidorov, I. I., Timofeev, A. A., Volkova, N. M., Амелин, В. Г., Андоралов, А. М., Волкова, Н. М., Коротков, А. И., Никешина, Т. Б., Сидоров, И. И., Тимофеев, А. А.   +13 more
core   +1 more source

Multi-residue analysis of 203 pesticides in strawberries by liquid chromatography tandem mass spectrometry in combination with the QuEChERS method

CyTA - Journal of Food, 2019
Herein, a QuEChERS (quick, easy, cheap, effective, rugged, and safe) procedure together with liquid chromatography and tandem mass spectrometry was applied to the multi-residue analysis of 203 pesticides in strawberries.
Nho-Eul Song, Miyoung Yoo, Tae Gyu Nam
doaj   +1 more source

Analysis of crotonaldehyde puff-by-puff release in mainstream cigarette smoke under various smoking regimens by high-performance liquid chromatography with the modified QuEChERS method [PDF]

Royal Society Open Science, 2018
To study puff-by-puff release characteristics of crotonaldehyde in mainstream cigarette smoke under diverse intensive smoking regimens, we designed an RM20H smoking machine with a puff-by-puff smoke collection unit to automatically trap crotonaldehyde in
Chao Li, E'xian Li, Jian Zhang, Ying Tao, Chengming Zhang, Xiaofeng Shen, Ya Liu, Yunhua Qin   +7 more
doaj   +1 more source

Updated peer review of the pesticide risk assessment of the active substance pydiflumetofen

EFSA Journal, Volume 24, Issue 1, January 2026.
Abstract The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authority of the rapporteur Member State France and co‐rapporteur Member State Austria for the pesticide active substance pydiflumetofen and the assessment of applications for maximum residue ...
European Food Safety Authority (EFSA), Fernando Álvarez, Maria Arena, Domenica Auteri, Sofia Batista Leite, Marco Binaglia, Anna Federica Castoldi, Arianna Chiusolo, Angelo Colagiorgi, Mathilde Colas, Federica Crivellente, Chloe De Lentdecker, Isabella De Magistris, Mark Egsmose, Gabriella Fait, Franco Ferilli, Varvara Gouliarmou, Katrin Halling, Laia Herrero Nogareda, Alessio Ippolito, Frederique Istace, Samira Jarrah, Dimitra Kardassi, Aude Kienzler, Anna Lanzoni, Roberto Lava, Renata Leuschner, Alberto Linguadoca, Jochem Louisse, Christopher Lythgo, Oriol Magrans, Iris Mangas, Andrea Mioč, Ileana Miron, Tunde Molnar, Laura Padovani, Vincenzo Padricello, Martina Panzarea, Juan Manuel Parra Morte, Simone Rizzuto, Anamarija Romac, Agnès Rortais, Miguel Santos, Rositsa Serafimova, Rachel Sharp, Csaba Szentes, Andrea Terron, Anne Theobald, Manuela Tiramani, Giorgia Vianello, Laura Villamar‐Bouza   +50 more
wiley   +1 more source

Sample Extraction Methods for Determining Trace Carbamate and Triazole Pesticides in Soil

Yankuang ceshi, 2015
QuEChERS method, Accelerated Solvent Extraction(ASE) and Ultrasound Extraction(UE) were used for sample extraction and are reported in this paper. Combined with liquid chromatograph coupled with mass spectrometry, these extraction methods were used to ...
ZHANG Jing, RAO Zhu, LIU Yan, LI Xiao-jie, HUANG Yi   +4 more
doaj   +1 more source