A5102943548- Pesticide Residue Analysis and Safety
- Pesticide and Herbicide Environmental Studies
- Analytical chemistry methods development
- Insect and Pesticide Research
- Pharmaceutical and Antibiotic Environmental Impacts
- Spectroscopy and Chemometric Analyses
- Analytical Chemistry and Chromatography
- Pharmacological Effects and Assays
- RNA modifications and cancer
- Pesticide Exposure and Toxicity
- Microplastics and Plastic Pollution
- Biosensors and Analytical Detection
- Advanced biosensing and bioanalysis techniques
- Protein Interaction Studies and Fluorescence Analysis
- Environmental Toxicology and Ecotoxicology
- Electrochemical Analysis and Applications
- Toxic Organic Pollutants Impact
- Ubiquitin and proteasome pathways
- Plant-derived Lignans Synthesis and Bioactivity
- Insect-Plant Interactions and Control
- Hemoglobin structure and function
- Mycotoxins in Agriculture and Food
- Antibiotics Pharmacokinetics and Efficacy
- Surfactants and Colloidal Systems
- Ziziphus Jujuba Studies and Applications
Heilongjiang Academy of Sciences
2022-2025
Anhui Agricultural University
2017-2024
China Agricultural University
2011-2017
University of California, Riverside
2016-2017
Zero to Three
2013
Chinese Academy of Medical Sciences & Peking Union Medical College
2006
A novel effervescence‐assisted dispersive liquid–liquid microextraction method has been developed for the determination of four fungicides in apple juice samples. In this method, a solid effervescent agent is added into samples to assist dispersion extraction solvent. The environmentally friendly and only produces an increase ionic strength negligible variation pH value aqueous sample, which does not interfere with analytes. parameters affecting efficiency were investigated including...
Investigations of the transfer pesticide residues from tea to its infusion can be important in assessment possible health benefits consumption. In this work difenoconazole and azoxystrobin chrysanthemum was investigated at different water temperatures, intervals times. The percentages were range 18.7-51.6% for 38.1-71.2% azoxystrobin, increased considerably with longer intervals. results indicated that a lower octanol-water partition coefficient 2.5, showed higher than relatively high 4.4....
A sensitive and rapid multi‐residue analytical method for plant growth regulators (PGRs) (i.e., chlormequat, mepiquat, paclobutrazol, uniconazole, ethephon flumetralin) in apples tomatoes was developed using high‐performance liquid chromatography/tandem mass spectrometry (HPLC/MS/MS). homogenised sample extracted with a mixture of methanol/water (90:10, v/v) adjusted to pH <3 formic acid. Primary secondary amine (PSA) adsorbent used clean up the sample. The determination performed...
The changes of imidacloprid, pyraclostrobin, azoxystrobin and fipronil residues were studied to investigate the carryover pesticide in winter jujube during paste processing. A multi-residue analytical method for was developed based on QuEChERS approach. recoveries pesticides between 87.5% 116.2%. LODs ranged from 0.002 0.1 mg kg–1. processing factor (Pf) is defined as ratio residue concentration that jujube. Pf higher than 1 removal extra water, other steps generally less 1, indicating whole...
Emerging fungal phytodiseases are increasingly becoming a food security threat. Twenty-six new 3-acylthiotetronic acid derivatives were designed, synthesized, characterized, and evaluated for activities against Valsa mali, Curvularia lunata, Fusarium graminearum, oxysporum f. sp. lycopersici. Among the 26 compounds, 6f was most effective V. C. F. lycopersici with median concentrations (EC50) of 4.1, 3.1, 3.6, 4.1 μg/mL, respectively, while corresponding EC50 0.14, 6.7, 22.4, 4.3 μg/mL...
BACKGROUND: Alternative splicing is a mechanism to produce different proteins with diverse functions from one gene. Many factors play an important role in cancer progression. PRPF8 core protein component of the spliceosome complex, U4/U6-U5 tri-snRNP. OBJECTIVE: However, involved mRNA alternative are rarely included prognosis. METHODS: We found that was expressed all examined types. Further analyses expression significantly between breast and paracancerous tissues. RESULTS: Survival showed...
The simultaneous determination of four strobilurin fungicides (picoxystrobin, kresoxim-methyl, trifloxystrobin, and azoxystrobin) in cotton seed by combining acetonitrile extraction dispersive liquid-liquid microextraction was developed prior to GC with electron capture detection. Several factors, including the type volume solvents, condition time, salt addition, were optimized. analytes extracted from clean-up carried out primary secondary amine. Afterwards, 60 μL n-hexane/toluene (1:1,...
A novel solid-phase microextraction device coated with an efficient and cheap thin film of polyurethane was developed for trace determination 13 widely used pesticides in fruit tea beverages. round-shaped covering the bottom a glass vial fabricated as sorbent to exhibit superior capacity preconcentrating target compounds reducing matrix interferences. After optimization key parameters including type, extraction time, solution pH, ionic strength, desorption solvent, conditions, this allowed...
Abstract A novel dispersive liquid‐liquid microextraction that combines self‐induced acid‐base effervescent reaction and manual shaking, coupled with ultra high performance liquid chromatography tandem mass spectrometry was developed for simultaneous determination of ten neonicotinoid insecticides metabolites in orange juice. An innovative aspect this method the utilization acidity juice a self‐reaction between acidic components contained sample added sodium carbonate which generated carbon...
The widespread use of insecticides in Chinese herbal medicines has created a compelling need for the development multiresidue analytical method to help assure herbs safety. operating variables affecting performance analysis 34 organochlorine and 12 pyrethroid pesticides chrysanthemum, widely used kind medicines, were evaluated. Three different extraction solvents including n ‐hexane its mixtures with acetone petroleum ether compared, was found be an appropriate option. A combination gel...