Shawninder Chahal

ORCID: 0000-0003-0627-8006
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About
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Research Areas
  • Nanoparticles: synthesis and applications
  • Carbon and Quantum Dots Applications
  • Quantum Dots Synthesis And Properties
  • Bee Products Chemical Analysis
  • Microplastics and Plastic Pollution
  • Insect and Pesticide Research
  • Graphene and Nanomaterials Applications
  • biodegradable polymer synthesis and properties
  • Meat and Animal Product Quality
  • Nanocluster Synthesis and Applications
  • Identification and Quantification in Food
  • Heavy metals in environment
  • Pesticide Exposure and Toxicity
  • Adsorption and biosorption for pollutant removal
  • Recycling and Waste Management Techniques
  • Advanced Chemical Sensor Technologies
  • Geochemistry and Elemental Analysis
  • Advanced Nanomaterials in Catalysis
  • Organophosphorus compounds synthesis
  • Microbial Community Ecology and Physiology
  • Pesticide and Herbicide Environmental Studies

McGill University
2017-2025

Several types of engineered nanoparticles (ENPs) are being considered for direct application to soils reduce the and degradation pesticides, provide micronutrients, control pathogens, increase crop yields. This study examined effects different metal ENPs their dissolved ions on microbial community composition enzyme activity agricultural soil amended with biosolids. The five extracellular nutrient-cycling enzymes was measured in biosolid-amended treated concentrations (1, 10, or 100 mg...

10.1021/acs.est.7b05389 article EN Environmental Science & Technology 2018-01-22

Despite a growing interest in carbon dots (CDs), notably for their potential as more sustainable, less toxic alternative to inorganic quantum dots, the critical factors affecting physical, chemical, and optical properties are relatively unknown, limiting widespread use. Herein, one-pot hydrothermal method was used synthesize CDs from citric acid phenylalanine. were synthesized over range of reactant ratios, pure phenylalanine seven mixed ratios between, achieving yield (QY) high 65% with...

10.1021/acssuschemeng.9b07463 article EN ACS Sustainable Chemistry & Engineering 2020-03-20

Engineered nanoparticles such as gold that are considered to be relatively chemically inert can influence soil enzyme activities and the composition of microbial communities play an important role in nutrient cycling health.

10.1039/c6en00567e article EN Environmental Science Nano 2017-01-01

This work directly compares the toxicity of carbon dots with CdTe quantum in Drosophila melanogaster and reveals that are less toxic than dots.

10.1039/d4va00017j article EN cc-by-nc Environmental Science Advances 2024-01-01

Emerging contaminants were found to alter the soil microbial community composition. However, no changes observed when these compounds added containing 100 mg kg −1 HDPE microplastics.

10.1039/d2va00233g article EN cc-by-nc Environmental Science Advances 2023-01-01

The present study investigated the impact of filtration, creaming and pasteurization on authentication botanical origin honey using dilute-and-shoot method in liquid chromatography coupled to mass spectrometry (LC-MS). analytical performances were satisfactory (analyte recoveries ranging from 95 % 103 inter-day precision below 12 %). Three types raw honeys including blueberry, canola clover processed under controlled conditions. Filtration, had no classification based LC-MS fingerprint, key...

10.1016/j.foodres.2024.114841 article EN cc-by Food Research International 2024-07-27

Bees produce honey through the collection and transformation of nectar, whose botanical origin impacts taste, nutritional value, and, therefore, market price resulting honey. This phenomenon has led some to mislabel their so that it can be sold at a higher price. Metabolomics been gaining popularity in food authentication, but rapid data mining algorithms are needed facilitate discovery new authenticity markers. A nontargeted high-resolution liquid chromatography–mass spectrometry (HR/LC–MS)...

10.1021/acs.analchem.4c01778 article EN Analytical Chemistry 2024-10-31

ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionCorrection to "Amendment of Agricultural Soil with Metal Nanoparticles: Effects on Enzyme Activity and Microbial Community Composition"Bahareh AsadishadBahareh AsadishadMore by Bahareh Asadishad, Shawninder ChahalShawninder ChahalMore Chahal, Ali AkbariAli AkbariMore Akbari, Vanessa CianciarelliVanessa CianciarelliMore Cianciarelli, Mehrnoosh AzodiMehrnoosh AzodiMore Azodi, Subhasis...

10.1021/acs.est.1c01084 article EN Environmental Science & Technology 2021-03-03
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