Varoon Singh

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Advances in Solid Phase Microextraction and Perspective on Future Directions.

Nathaly Reyes-Garcés, Emanuela Gionfriddo, Jonathan Grandy, 2018, Analytical chemistry.

Miniaturized SPME tips directly coupled to mass spectrometry for targeted determination and untargeted profiling of small samples.

J. Pawliszyn, Tijana Vasiljevic, Varoon Singh, 2019, Talanta.

Effect of Transport Parameters and Device Geometry on Extraction Kinetics and Efficiency in Direct Immersion Solid-phase Microextraction.

J. Pawliszyn, Md Nazmul Alam, Varoon Singh, 2018, Analytical chemistry.

Development and validation of a fully automated solid phase microextraction high throughput method for quantitative analysis of multiresidue veterinary drugs in chicken tissue.

J. Pawliszyn, A. Khaled, Emanuela Gionfriddo, 2019, Analytica chimica acta.

Direct Coupling of Dispersive Extractions with Magnetic Particles to Mass Spectrometry via Microfluidic Open Interface.

J. Pawliszyn, Varoon Singh, M. Huq, 2019, Analytical chemistry.

Solid-phase microextraction- probe electrospray ionization devices for screening and quantitating drugs of abuse in small amounts of biofluids.

J. Pawliszyn, Varoon Singh, Tairo Ogura, 2021, Talanta.

Development of porous carbon/polydimethylsiloxane thin-film solid-phase microextraction membranes to facilitate on-site sampling of volatile organic compounds

J. Pawliszyn, Khaled Murtada, Varoon Singh, 2021 .

Comprehensive Analysis of Multiresidue Pesticides from Process Water Obtained from Wastewater Treatment Facilities Using Solid-Phase Microextraction.

J. Pawliszyn, Varoon Singh, Jonathan J Grandy, 2020, Environmental science & technology.

Development of a Hydrophilic Lipophilic Balanced Thin Film Solid Phase Microextraction Device for Balanced Determination of Volatile Organic Compounds.

J. Pawliszyn, M. Gauthier, Varoon Singh, 2018, Analytical chemistry.

Polyvinylidene Difluoride: A Universal Binder for Preparation of Solid Phase Microextraction Devices

J. Pawliszyn, Varoon Singh, A. Kaur, 2020 .

Polymer-supported sulfonated magnetic resin: an efficient reagent for esterification of O-alkyl alkylphosphonic-and carboxylic-acids

Ajeet Kumar, Varoon Singh, D. K. Dubey, 2014 .

Magnetic graphene - polystyrene sulfonic acid nano composite: A dispersive cation exchange sorbent for the enrichment of aminoalcohols and ethanolamines from environmental aqueous samples.

Varoon Singh, D. K. Dubey, Vijay K Tak, 2015, Journal of chromatography. A.

Development and validation of a headspace needle-trap method for rapid quantitative estimation of butylated hydroxytoluene from cosmetics by hand-portable GC-MS

J. Pawliszyn, Varoon Singh, Jonathan J Grandy, 2020, RSC Advances.

Iron oxide functionalized graphene nano-composite for dispersive solid phase extraction of chemical warfare agents from aqueous samples.

Varoon Singh, D. K. Dubey, D. Goud, 2015, Journal of chromatography. A.

A critical review on regulatory sample preparation methods: Validating solid-phase microextraction techniques

Varoon Singh, Janusz Pawliszyn, Maryam Lashgari, 2019, TrAC Trends in Analytical Chemistry.

Solid Phase Microextraction-Based Miniaturized Probe and Protocol for Extraction of Neurotransmitters from Brains in Vivo.

T. Womelsdorf, J. Pawliszyn, E. Boyacı, 2019, Analytical chemistry.

Recent advances in breath analysis to track human health by new enrichment technologies.

Chiranjit Ghosh, Varoon Singh, Jonathan Grandy, 2019, Journal of separation science.

Development of a drone-based thin film solid phase microextraction water sampler to facilitate on-site screening for environmental pollutants.

J. Pawliszyn, Varoon Singh, Jonathan J Grandy, 2020, Analytical chemistry.

Comparison of solid phase microextraction (SPME) with solvent extraction and QuEChERS for quantitative analysis of veterinary drug residues in chicken and beef matrices.

J. Pawliszyn, A. Khaled, Varoon Singh, 2019, Journal of agricultural and food chemistry.

Extraction and derivatization of chemical weapons convention relevant aminoalcohols on magnetic cation-exchange resins.

Varoon Singh, Prabhat Garg, D. K. Dubey, 2014, Journal of chromatography. A.

Direct immersion thin film solid phase microextraction of polychlorinated n-alkanes in cod liver oil.

J. Pawliszyn, Emanuela Gionfriddo, Varoon Singh, 2021, Food chemistry.

Development of thin-film solid-phase microextraction coating and method for determination of artificial sweeteners in surface waters.

J. Pawliszyn, Tijana Vasiljevic, Varoon Singh, 2020, Talanta.

Single vial sample preparation of markers of nerve agents by dispersive solid-phase extraction using magnetic strong anion exchange resins.

Varoon Singh, D. K. Dubey, Vijay K Tak, 2015, Journal of chromatography. A.

Analysis of chemical warfare agents in organic liquid samples with magnetic dispersive solid phase extraction and gas chromatography mass spectrometry for verification of the chemical weapons convention.

Raghavender D. Goud, Varoon Singh, A. Shrivastava, 2016, Journal of chromatography. A.

Solid supported in situ derivatization extraction of acidic degradation products of nerve agents from aqueous samples.

Varoon Singh, D. K. Dubey, Vijay K Tak, 2014, Journal of chromatography. A.

Point-of-care applicable metabotyping using biofluid-specific electrospun MetaSAMPs directly amenable to ambient LA-REIMS

S. De Henauw, N. Michels, K. Wijnant, 2023, Science advances.

On-matrix derivatization extraction of chemical weapons convention relevant alcohols from soil.

D. Dubey, Varoon Singh, Deepak Pardasani, 2013, Journal of chromatography. A.