Results 21 to 30 of about 363,901 (213)

Determination of the Antioxidant Activity of Samples of Tea and Commercial Sources of Vitamin C, Using an Enzymatic Biosensor

Antioxidants, 2021
Antioxidants are synthetic or natural compounds capable of preventing or delaying oxidative damage caused by chemical species that can oxidize cell biomolecules, such as proteins, membranes, and DNA, leading to the development of various pathologies ...
Danilo Braga Ribeiro, Gabriela Santos Silva, Djanira Rubim dos Santos, Andressa Rose Castro Costa, Eliane Braga Ribeiro, Mihaela Badea, Gilvanda Silva Nunes   +6 more
doaj   +1 more source

Degradation dynamics of quinalphos on cabbage under subtropical conditions of Ludhiana, Punjab, India

Orbital: The Electronic Journal of Chemistry, 2011
A study was undertaken to determine the disappearance trends of quinalphos residues on cabbage under subtropical conditions at Ludhiana. Single application of quinalphos was made @ 500 and 1000 g a.i.
Gurminder Singh Chahil, Gurmail Singh, Urvashi Bhardwaj, Reenu Takkar, Raminderjit Singh Battu, Balwinder Singh   +5 more
doaj   +1 more source

Exploring the Potential Mechanism of Prothioconazole Resistance in Fusarium graminearum in China

Journal of Fungi, 2023
The Fusarium head blight (FHB) caused by Fusarium graminearum is one of the most important diseases threatening wheat production in China. However, the triazole sterol 14α-demethylation inhibitor (DMI), prothioconazole, is known to exhibit high activity ...
Feng Zhou, Aohui Han, Yan Jiao, Yifan Cao, Longhe Wang, Haiyan Hu, Runqiang Liu, Chengwei Li   +7 more
doaj   +1 more source

Dissipation, Residue, and Dietary Risk Assessment of Methoxyfenozide, Chlorantraniliprole, Indoxacarb, Lufenuron, and Chlorfenapyr in Spinach Using a Modified QuEChERS Method Combined with a Tandem Mass Spectrometry Technique

Agronomy, 2022
Spinach is a frequently consumed vegetable worldwide. Chemical pesticides are widely used to produce spinach with high yield and quality. However, the unregulated use of pesticides negatively impacts human and environmental health. A simple and efficient
Yizhi Feng, Guofu Zhang, Aijuan Zhang, Li Zhou, Yanli Bian, Jinju Pan, Sumei Yang, Jifeng Han, Xingang Ma, Xiaoxue Qi, Lin Liang, Bojun Zuo   +11 more
doaj   +1 more source

Dissipation kinetics and consumer risk assessment of novaluron + lambda-cyhalothrin co-formulation in cabbage

Ecotoxicology and Environmental Safety, 2021
Cabbage, one of the most popular vegetables in the world is infested by several insect-pests and diseases. Novaluron, a chitin synthesis inhibitor and lambda-cyhalothrin, a synthetic pyrethroid group insecticide are used to manage insect-pests on cabbage.
Krishan Kumar Sharma, Vandana Tripathy, Soudamini Mohapatra, Nagapooja Yogendraiah Matadha, Abdul Rashid Khan Pathan, Badri Narayan Sharma, Jatiender Kumar Dubey, Sapna Katna, Thomas George, Amol Tayade, Khushbu Sharma, Ruchi Gupta, Suresh Walia   +12 more
doaj   +1 more source

Single and binary adsorption of sulfonamide antibiotics onto iron-modified clay: linear and nonlinear isotherms, kinetics, thermodynamics, and mechanistic studies

Applied Water Science, 2018
Iron-modified raw kaolinite clay (Fe-MC) was synthesized by co-precipitation method, characterized, and then applied as a low-cost adsorbent to sequester sulfachloropyridazine (SCP) and sulfadimethoxine (SDM), emergent water contaminants, from aqueous ...
Victor O. Shikuku, Renato Zanella, Chrispin O. Kowenje, Filipe F. Donato, Nelson M. G. Bandeira, Osmar D. Prestes   +5 more
doaj   +1 more source

METHOD OF ANALYSIS VALIDATION OF DIOXIN-LIKE PCB’S IN DAIRY PRODUCT [PDF]

Journal of Plant Protection and Pathology, 2012
Dioxin like-polychlorinated biphenyls are unintentionally produced ubiquitous, persistent organic pollutants. The main source of human exposure to the compounds is food of animal origin because bioaccumulation in food chains. Extraction of dairy products
A. Hassanin, Y. Nabil
doaj   +1 more source

Toxicity of Single and Mixed Contaminants in Seawater Measured with Acute Toxicity Bioassays

The Scientific World Journal, 2002
Different types of organic pollutants commonly detected in seawater have been evaluated by acute toxicity bioassays. Vibrio fischeri, Daphnia magna, and Selenastrum capricornotum were selected to test toxic effects of individual compounds and mixtures of
A.R. Fernandez-Alba, L. Piedra, M. Mezcua, M.D. Hernando   +3 more
doaj   +1 more source

BasS/BasR Two-Component System Affects the Sensitivity of Escherichia coli to Plantaricin BM-1 by Regulating the Tricarboxylic Acid Cycle

Frontiers in Microbiology, 2022
Plantaricin BM-1, a class IIa bacteriocin produced by Lactiplantibacillus plantarum BM-1, exhibits significant antibacterial activity against many gram-positive and gram-negative bacteria.
Yifei Liu, Yawen Wang, Xinyue Chen, Junhua Jin, Hui Liu, Yanling Hao, Hongxing Zhang, Yuanhong Xie   +7 more
doaj   +1 more source

Evaluation of methodology for separation and identification of Tetraniliprole in maize (Zea mays) using RP-HPLC intended for residual analysis

The Indian Journal of Agricultural Sciences, 2020
The aim of this study was to develop and optimize an RP-HPLC technique for the residue determination of tetraniliprole and its metabolite (BCS-CQ 63359). Standardization was carried out by using simplified quick, easy, cheap, effective, rugged and safe (
SAVITA RANI, ASHWANI KUMAR, SUSHIL SUSHIL, SHUBHAM LAMBA   +3 more
doaj   +1 more source