Built to run hundreds of pesticides in one run, with the utmost sensitivity and efficiency, the QSight™ Pesticide Analyzer is the only instrument that provides 15% higher throughput than conventional systems.
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As part of our complete pesticide solution, the QSight Pesticide Analyzer delivers all the functionality you need in a triple quad solution, plus an array of innovations you won’t find in competitive systems – all in a compact form factor that doesn’t take up valuable bench space.
From initial sample preparation and extraction to analysis and reporting, the QSight Pesticide Analyzer can deliver all the functionality you need for the most efficient high-sensitivity analyses.
In this study, we used the QSight LC/MS/MS system to evaluate the potential of eliminating sample preparation for trace level pesticide analysis in a complex sample such as wine. We injected undiluted red and white wine samples into the mass spectrometer and studied reproducibility in analysis of the spiked pesticides over 200 injections. The instrument showed excellent reproducibility with minimal signal drift during the duration of the study (over a week), confirming the robustness of the QSight mass spectrometer.
Multiclass, multiresidue method for analysis of 73 veterinary drugs (covering 13 different chemical classes) in chicken samples by coupling solvent extraction method with LC/MS/MS. Better recoveries were obtained for all the analytes without sample clean-up when comparing with different sample cleanup methods. Due to the high sensitivity of QSight mass spectrometer and its unique StayClean™ technology (hot-surface induced desolvation (HSID™) and Laminar Flow Ion Guide™),20 sample extracts can be analyzed directly without timeconsuming solvent evaporation and analyte concentration steps.
Testing for the levels of pesticide and mycotoxins in cannabis is important to ensure consumer safety and quality control. In this work, the PerkinElmer application development team analyzed all 66 pesticides (including very hydrophobic and chlorinated pesticides typically analyzed by GC-MS/MS) and five mycotoxins spiked in cannabis flower extracts well below the action limits specified by the state of California. A LC-MS/MS instrument was used with ESI and APCI sources and a simple solvent extraction method with excellent recoveries for all analytes in acceptable range of 70-120%.
Acrylamide is an amide-type organic compound that can be formed by cooking or processing food at elevated temperatures . We have developed a rapid, sensitive and reproducible HPLC-MS/MS method for analysis of acrylamide in potato chips, using a simple sample preparation procedure. The LOQ is 25 µg/kg. The QSight mass spectrometer provides a robust platform for analysis of trace acrylamide levels in compilance with European Regulation. This method can also be applied to other types of regulated matrices such as bread, biscuits, breakfast cereals, and more.
This application note demonstrates the effective chromatographic separation of aflatoxins B1, B2, G1, G2 and M1 by UHPLC-MS/MS, achieving the 0.05-ppb control limit for M1 without the need for derivatization.
Liquid chromatography tandem mass spectrometry (LC/MS/MS) has become the method of choice for pesticide analysis due to its high selectivity and sensitivity as well as its suitability for a wide range of compounds in various sample matrices. 0 In this study, a fast, sensitive and selective multi- residue method has been developed for analysis of over 200 pesticides in rice samples by coupling a modified QuEChERS extraction method with LC/MS/MS. Using time-managed- MRM™ in the QSight® triple quadrupole mass spectrometer, the optimum dwell time of multiple MRM transitions can be generated automatically for the targeted analytes. This not only saves time in method development but also improves data quality and analytical performance, as demonstrated in this study by the results of multi- residue pesticide analysis in rice samples.
An effective, reliable and robust LC-MS/MS method, using time-managed MRM (Multiple Reaction Monitoring) transitions, for the monitoring of mycotoxins in multi-grain and corn cereals at low µg/kg levels, without the need for derivatization. The analyzed mycotoxins included aflatoxins B1, B2, G1, G2, ochratoxin A, HT-2 and T-2 toxins, ergocristine and fumonisins F-B1 and F-B2.
Liquid chromatography-tandem mass spectrometry (LC/MS/MS) has become the method of choice for pesticide The state of Oregon has issued regulatory limits for 59 pesticide residues in both cannabis flower and concentrates. In this study, all 59 pesticides were spiked into cannabis flower samples and analyzed by coupling QuEChERS sample preparation with LC/MS/MS. All the 59 pesticides in Oregon’s regulated list were detected using this methodology, with results well below the current action limits specified. Recoveries of pesticides from spiked cannabis flower extracts are shown to be between 70-120%.
In the present study, a unique laminar flow UPLC-ESI-MS/MS triple quad mass spectrometer was used to identify and quantitate 40 pesticides in four brands of nonorganic berries. The QuEChERs extraction method proved both rapid and reliable for extracting pesticide residues in the heavily pigmented berry samples. These results obtained demonstrate this methods applicability and effectiveness in detecting and quantitating pesticides lower than 10 parts per billion (ppb), per regulatory limits set by the EU directive 91/414/EEC.
A recent recall of contaminated eggs in Europe has generated a serious health concern for fipronil poisoning. Fipronil is a highly toxic insecticide and it is used to protect crops. The U.S. EPA has classified fipronil as a group C carcinogen. In this study, we describe a fast and robust analytical method for identifying fipronil and its metabolites with the PerkinElmer QSight® 200 series LC/MS/MS triple quadrupole instrument. The results demonstrate excellent recovery, linearity and reproducibility and superior sensitivity for this method. The three-step sample preparation procedure is quick and easy, and the LC/MS/MS analysis time can be carried out within six minutes with great separation for all analytes.
Bean sprouts are commonly used ingredient in Asian cuisine and highly valued for their nutritional properties. In recent years, there have been concerns about the presence of exogenous plant growth regulators in bean sprouts, which can accelerate their growth. Though this accelerated growth is great for production, the addition of growth regulators is known to be harmful to the health of consumers.
Polycyclic aromatic hydrocarbons (PAHs) can contaminate foods during smoking, heating, and drying processes that allow combustion products to come into direct contact with food. They can also enter food supply chains through contaminated air and water, and accumulate in various food chains. Regulations are in place to monitor PAHs levels in foods; the EU set a stringent maximum residue limit (MRL) for BaP in muscle meat of smoked fish and smoked fishery products at 2 µg/kg.2 In this study, seafood samples were prepared using a QueChERS extraction method followed by a dispersive solid-phase extraction clean-up step. The samples were subsequently analyzed by coupling a UHPLC system with a triple quadrupole mass spectrometer.
In apiculture, sulfonamides are the most commonly used antibiotics to treat American and European Foulbrood, a type of disease that infects bees. This application note demonstrates how QSight 200 System can provides a very sensitive and robust platform for the analysis of sulfonamides in honey.
Glyphosate (N-(phosphonomethyl) glycine), an organophosphorus compound, is used to kill weeds (e.g. annual broadleaf weeds and grasses) that compete with crops. Like other pesticides, glyphosate is directly administered to food products and can come in contact with both food workers and the environment, resulting in the bio burden of exposure in uncontrolled regional populations. Our study reports a 12 minute LC/MS/MS method with an amino-based column to analyze glyphosate and other related polar compounds in underivatized states, with exceptional selectivity and sensitivity.
Glyphosate is an organophosphate herbicide that is used on crops to kill weeds and grasses. We present a study that involves direct analysis of glyphosate in wine on a mixed mode column with no sample dilution or extraction using a PerkinElmer QSight® 220 triple quadruple mass spectrometer with a patented StayClean™ source, consisting of a hot surface induced desolvation (HSID)™ interface and a Laminar Flow Ion Guide™. Both the HSID and ion guide prevent any contaminants from entering the mass spectrometer, keeping it at its highest performance level and, thereby, maintenance free.
Both pesticides and illegal additives, if present in significant levels in wine, can pose health risk to consumers. In this study, a simple and sensitive LC-MS/MS method has been developed and applied for the determination of both pesticides and pigments in a single analytical run.
Pesticide residue is a major concern for the stakeholders of the grape industry, due to more and more stringent regulations and safety standards in most countries. In this study, a fast, sensitive and selective multi-residue method has been developed by coupling QuEChERS sample preparation with LC-MS/MS. Using time-managed-MRM™ in the QSight™ triple quadrupole mass spectrometer, the optimum dwell time can be generated automatically for MRM transitions based on the number of co-eluting transitions, expected cycle time, retention time and tolerance time window of the targeted analytes. Such method automation results in improved data quality, better sensitivity, accuracy, and reproducibility, as demonstrated in this study by the results of 213 pesticide residues analyzed in grape samples.
Learn more about our various testing methods and applications for cannabis analyses by reading through our Cannabis Testing brochure.
The grain industry is very complex. It’s global, diverse, and can also present analytical challenges. Today’s grain users demand more when it comes to quality, safety, and uniformity. In addition, they seek diverse products with unique characteristics.
PerkinElmer is equipped to help the grain industry in its quest to feed the world – nutritiously and economically. Our testing and analysis solutions encompass the three primary areas required for complete knowledge of grains and their derivatives – composition, functionality, and safety.
Pesticides can adversely affect human health through the food we consume but can also leach into soil and groundwater and impact us through the environment. To keep up with a complex and constantly changing regulatory environment, your pesticide analysis solution needs to keep up with your burgeoning sample load.
Whether you’re a lab manager or a bench chemist, you know firsthand how things are changing quickly in food and environmental analysis. And your lab needs to change to keep pace.
This sell sheet describes the QuEChERS two-step process offered by PerkinElmer.
Lab reequirements for QSight triple quad LC/MS/MS systems, including storage, suppleis, space, electrical, power, gas supply requirements
Product Certificate for Qsight LX50 Column Tempearture Module PE886.