S. Lehotay

Publications146
h-index49
Citations11,859
Highly Influential Citations454
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Fast and easy multiresidue method employing acetonitrile extraction/partitioning and "dispersive solid-phase extraction" for the determination of pesticide residues in produce.
A simple, fast, and inexpensive method for the determination of pesticide residues in fruits and vegetables is introduced. The procedure involves initial single-phase extraction of 10 g sample with… Expand
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Determination of pesticide residues in foods by acetonitrile extraction and partitioning with magnesium sulfate: collaborative study.
  • S. Lehotay
  • Medicine, Chemistry
  • Journal of AOAC International
  • 1 March 2007
A collaborative study was conducted to determine multiple pesticide residues in fruits and vegetables using a quick, simple, inexpensive, and effective sample preparation method followed by… Expand
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Comparison of QuEChERS sample preparation methods for the analysis of pesticide residues in fruits and vegetables.
This article describes the comparison of different versions of an easy, rapid and low-cost sample preparation approach for the determination of pesticide residues in fruits and vegetables by… Expand
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Validation of a fast and easy method for the determination of residues from 229 pesticides in fruits and vegetables using gas and liquid chromatography and mass spectrometric detection.
Validation experiments were conducted of a simple, fast, and inexpensive method for the determination of 229 pesticides fortified at 10-100 ng/g in lettuce and orange matrixes. The method is known as… Expand
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Evaluation of common organic solvents for gas chromatographic analysis and stability of multiclass pesticide residues.
In this study, we evaluated the suitability of six common organic solvents for gas chromatographic (GC) analysis of pesticides. Three of these, acetone, acetonitrile (MeCN) and ethyl acetate (EtAc),… Expand
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Rapid sample preparation method for LC-MS/MS or GC-MS analysis of acrylamide in various food matrices.
A fast and easy sample preparation procedure for analysis of acrylamide in various food matrices was developed and optimized. In its first step, deuterated acrylamide internal standard is added to 1… Expand
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Evaluation of two fast and easy methods for pesticide residue analysis in fatty food matrixes.
Two rapid methods of sample preparation and analysis of fatty foods (e.g., milk, eggs, and avocado) were evaluated and compared for 32 pesticide residues representing a wide range of physicochemical… Expand
  • 312
  • 10
Evaluation of the QuEChERS sample preparation approach for the analysis of pesticide residues in olives.
This paper describes the use of a quick, easy, cheap, effective, rugged, and safe (QuEChERS) method for extraction and cleanup of 16 pesticide residues of interest in olives and olive oil. These… Expand
  • 178
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Evaluation of analyte protectants to improve gas chromatographic analysis of pesticides.
A common problem in gas chromatography (GC) applications is the analyte losses and/or peak tailing due to undesired interactions with active sites in the inlet and column. Analytes that give poor… Expand
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Agricultural pesticide residues in oysters and water from two chesapeake bay tributaries
Abstract Little is known of the impact of agricultural activity on oysters in Chesapeake Bay tributaries. As a preliminary assessment of pesticide residues in oyster tissues, this study monitored… Expand
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