Results 101 to 110 of about 9,758 (222)

Development of a method for the determination of sedatives in bovine and porcine urine and kidneys by liquid chromatography–tandem mass spectrometry

Journal of Veterinary Research
Sedatives have been used for a long time as animal tranquillisers to prevent stress and weight loss during their transportation. The proper determination of these substances in food of animal origin is essential for consumer safety.
Śniegocki Tomasz, Samorek Elżbieta, Sell Bartosz, Krajewska Weronika   +3 more
doaj   +1 more source

Persistence and Dissipation Pattern of Dimethoate 30 EC in / on Foxtail Amaranthus and Spinach

Madras Agricultural Journal, 2018
A survey was conducted to know the insecticide usage pattern in leafy vegetables and found that dimethoate was the most frequently used insecticide.
R. Gopalakrishnan, K. Bhuvaneswari*, J. Kousika, A. Manivannan, A. Suganthi   +4 more
doaj   +1 more source

The Determination of the Quechers Performance Method to Identify Pesticides Content in Cereal [PDF]

, 2011
According to existing regulations in determining pesticide residues in cereal matrix, is required to determine parameters of performance method for both standard methods and those that are made slight changes to improve the method.
BIROU (POP), Anamaria, MURESAN, Crina, SOCACI, Sonia, MUSTE, Sevastiţa, Sonia SOCACI, Crina MURESAN, Anamaria BIROU (POP), Sevastiţa MUSTE   +7 more
core   +1 more source

Persistence and Dissipation of Dichlorvos and Profenofos on Mulberry Leaves

Madras Agricultural Journal, 2012
Persistence and dissipation properties of dichlorvos and profenofos in/on mulberry leaves were studied. Dichlorvos (76 WSC) and profenophos (50 EC) were sprayed at recommended dose (2 mL/L) and double the dose (4 mL/L) and leaf samples were drawn at ...
M. Paramasivam, S. Chandrasekaran, P. Karthik, R. Harischandra Naik, P. Thangachamy and C.A. Mahalingam   +4 more
doaj   +1 more source

Simultaneous multiresidue analysis of 41 pesticide residues in cooked foodstuff using QuEChERS: Comparison with classical method

, 2011
The principal objective of this study was to develop a simple multiresidue method involving a quick, easy, cheap, effective, rugged, and safe (QuEChERS) extraction method for the identification and quantification of 41 pesticide residues in cooked ...
Do, Jung-Ah, Choi, Jeong-Heui, HASSIBELNABY, ABDELATY MOSTAFA ABDELATY, Choi, Ok-Ja, Jung-Ah Do, Park, Ji-Yeon, Shin, Sung Chul, Oh, Jae-Ho, Jae-Ho Oh, Jae-Han Shim, Shim, Jae-Han, Ki-Hoon Shim, Ji-Yeon Park, Jeong-Heui Choi, Bo Mi Kim, Kim, Bo Mi, Shim, Ki-Hoon, Ok-Ja Choi, A.M. Abd El-Aty, Ki Sung Kwon, Sung Chul Shin, Kwon, Ki Sung   +21 more
core   +1 more source

A High Throughput Method for Measuring Polycyclic Aromatic Hydrocarbons in Seafood Using QuEChERS Extraction and SBSE [PDF]

, 2020
National Oceanic and Atmospheric Administration (NOAA) Method NMFS-NWFSC-59 2004 is currently used to quantitatively analyze seafood for polycyclic aromatic hydrocarbon (PAH) contamination, especially following events such as the Deepwater Horizon oil ...
Edward A Pfannkoch, Jeffery H Moran, Kathryn A Seely, Jacqueline A Whitecavage, John R Stuff, John M Blevins   +5 more
core  

Determination of tocopherols and sitosterols in seeds and nuts by QuEChERS-liquid chromatography

Food Chemistry, 2016
In the present work a simple, reliable and affordable sample treatment method for the simultaneous analysis of tocopherols and free phytosterols in nuts was developed. Analyte extraction was carried out using the QuEChERS methodology and analyte separation and detection were accomplished using HPLC-DAD. The use of this methodology for the extraction of
Delgado Zamarreño, María Milagros, Fernández-Prieto, Cristina, Bustamante Rángel, Myriam, Pérez‐Martín, Lara   +3 more
openaire   +3 more sources

Determination of 34 Insecticide Residues in Vegetables by QuEChERS-High-Performance Liquid Chromatography Triple Quadrupole Linear Ion Trap Tandem Mass Spectrometry

Shipin gongye ke-ji
This article established a rapid detection method for 34 pesticides in vegetables by combining QuEChERS purification method with high-performance liquid chromatography triple quadrupole linear ion trap tandem mass spectrometry. The samples were extracted
Jingyang LUO, Jiao LI, Jian GUAN, Qiaolian LI, Yansong WANG, Shuai YUAN   +5 more
doaj   +1 more source

DETERMINAÇÃO DE MULTIRRESÍDUOS DE AGROTÓXICOS EM MÉIS PRODUZIDOS NA REGIÃO DO TRIÂNGULO MINEIRO POR UHPLC-MS/MS

Química Nova
Excessive use of pesticides can lead to the accumulation of residues in different parts of plants, endangering various species and contaminating foods.
Renata A. G. Silva, Anizio M. Faria
doaj   +1 more source

QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) Extraction – Gas Chromatography for the Analysis of Drugs [PDF]

, 2015
QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) is an extraction technique developed by Anastassiades and co-workers initially for the extraction of veterinary drugs from animal tissue.
Schmidt, Michelle L.
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