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    Search term:"agriculture"

    96 matches found for agriculture

    Techniques Glossary

    Abbreviations ACDP Advisory Committee on Dangerous Pathogens BSA Bovine Serum albumin BSE Bovine spongiform encephalopathy BVDV Bovine viral diarrhoea virus FBS Fetal bovine serum EC European Community ECACC European Collection of Cell Cultures FDA Food and Drug Administration FCS Fetal Calf Serum H...

    SPE Cartridges (Tubes) - Phase Selection Guide

    • Standard SPE Phases • Specialty SPE Phases Your Sample Matrix is: Aqueous (biological fluids, water, aqueous extracts of tissues, etc.) Organic (organic extracts of tissues, hexane, dichloromethane, etc.) Recommended Retention Mechanism: Reversed-Phase Ion-Exchange Normal Phase Analyte Characteris...

    Analysis of Pesticides in Baby Food by Solid Phase Microextraction (SPME) Using a New Overcoated Fiber

    Related Products • Food & Beverage Analysis • Pesticide Analysis • Supelclean™ Ultra SPE Related Articles • Reporter US Volume 34.3 • Analysis of Pesticides in Turmeric Powder by LC/MS/MS • Extraction of Permethrin Pesticides from Spinach Using QuEChERS Methodology with Automated Shaking • Extractio...

    Frustrated Lewis Pairs as Hydrogenation Catalysts

    Josephine Nakhla, Ph.D. Market Segment Manager Organometallics and Catalysis josephine.nakhla@sial.com The hydrogenation of organic substrates with molecular hydrogen (H2) has been used for purposes ranging from the large-scale upgrading of crude-oil, to the synthesis of fi ne chemicals used in food...

    Samples of SPE Tubes from Supelco

    Request samples for your SPE method development needs today. We offer a multitude of SPE phase chemistries and tube dimensions ideally suited for all application areas such as: Pharmaceutical and Clinical; Food and Beverage; Environmental, Petrochemical, Agriculture and more. The mix of phase chemis...

    Folic Acid Metabolism: A Role in Cancer's Cause and Cure | BioFiles Volume 5 Number 6 - Cancer

    BioFiles Volume 5, Number 6 — Cancer Download BioFiles v5 n6 (3.38 Mb PDF) Table of Contents • Introduction • New Cancer Biomarker Breast Cancer Malignant Melanoma Epithelial Ovarian Cancer Colon Cancer Summary • Cancer Research: Epigentic Mechanisms • Folic Acid Metabolism: A Role in Cancer's Cause...

    Titania Nanotubes: Synthesis and Applications

    Eugen Panaitescu1 and Latika Menon2 Department of Physics Northeastern University, Boston, MA 02115 USA Email: 1e.panaitescu@neu.edu, 2l.menon@neu.edu Titania (titanium dioxide, TiO2) (Aldrich Prod. Nos. 799289, 204757, 232033, 248576, and 677469) is a versatile earth-abundant ceramic with many desi...

    Making Sense of Third Party Food Safety Certification

    Food safety certification is not a legal requirement, but has become an industry standard for flavor ingredient suppliers. Third party certification helps organizations align their supply chains with global food safety standards and adjust to changing regional requirements. The myriad of different f...

    Essential Fatty Acid Standards ........ A collection of w-3, w-6 and other essential fatty acid standards obtainable from one source

    By Pat Myers, Technical Service Chemist Essential fatty acids are nutrients that must be obtained from the diet because humans lack the anabolic processes for their synthesis. There are two closely related groups of essential fatty acids, the ω-3 and ω-6 fatty acids. Both are unsaturated fatty acids...

    Agriculture | Crop Protection Workflow

    Pesticides are an essential component in modern agriculture and enable growers to fully realize the yield potential of their seeds. From compound discovery to active ingredient development, our chemistry capabilities support you across your entire crop protection workflow so you can discover and dev...

    LC/MS/MS Analysis of Aflatoxins in Hops After Solid Phase Extraction Cleanup

    Related Products • Food & Beverage Analysis • Toxins (other than pesticide/drug residues) • Supel™ Tox SPE Cartridges Related Articles • Reporter US Volume 34.1 • Analysis of Residual Solvents in Hemp Extract by Headspace SPME-GC/MS • Headspace SPME GC/MS Analysis of Terpenes in Cannabis • Quantifyi...

    (CAFA II) Celite® Analytical Filter Aid II

    Diatomaceous earth, a natural material comprising fossilized diatoms, has widespread commercial, industrial and agricultural applications. Diatoms themselves are single-celled or colonial eukaryotic algae found throughout both fresh water and marine environments. Their cell walls or frustules show a...

    Astec Chiral Chromatography Bibliography by Subject

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    Analysis of Organophosphorous Pesticides in Produce by Solid/Liquid Extraction and Dual-Layer Amino-Silica/Carbon SPE Cleanup and GC-NPD

    Olga Shimelis, Katherine Stenerson, Michael Ye, Carmen T. Sanatasania, Michael Monko olga.shimelis@sial.com Organophosphorous pesticide use in agriculture is widespread due to the fact that they are more amenable to environmental degradation in comparison to organochlorine or organonitrogen compound...

    Biomaterials Tutorial

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    Pesticides & Herbicides - Chromatography and Sample Prep Literature from Supelco

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    Supel™ QuE Z-Sep QuEChERS Tubes for Fat Removal in Difficult Matrices

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    Improved Recoveries and Lower Background for GC/MS/MS and LC/MS/MS Analysis of Pesticides in Green Tea

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    Extraction and Analysis of Agricultural Pesticides from Oranges Using the “QuEChERS” Method

    • • Download PDF • kstenerson@sial.com The toxicological effects of the chemicals which humans and animals are exposed to daily are of ever-increasing concern. In the last few years, emphasis has been placed on a group of chemicals loosely referred to as endocrine disruptors; mostly man-made compoun...

    Useful Agency Links for Food & Beverage Analysis

    (Food & Beverage Analysis main) Global International Association for Food Protection International Food Safety and Quality Network United Nations (UN) Food and Agriculture Organization (FAO) World Health Organization (WHO) Food Safety US/Canada Centers for Disease Control and Prevention (CDC) FoodNe...

    Stable Isotopes in Agriculture

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    Regulatory Agencies & Conclusions - PCR Technologies Guide

    Related Links PCR Selection Guide ISO 13485 Oligos Table of Contents • Introduction and Historical Timelines • Polymerase Chain Reaction • Quantitative PCR • Digital PCR • Quantitative PCR and Digital PCR Detection Methods • PCR/qPCR/dPCR Assay Design • Sample Purification and Quality Assessment • R...

    Targeted Genome Editing Using Engineered Zinc Finger Nucleases

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    Oligonucleotide Label Licenses

    Sold under license from Roche Diagnostics GmbH. For research use only. No license under these patents to use the PCR Process is conveyed expressly or by implication to the purchaser by the purchase of this product. Further information on purchasing licenses to practice the PCR process may be obtaine...

    Detection of Genomic DNA from Processed Plant Oils and Wheat Flour

    Food processing practices are common in today’s agricultural and food industries, and are often harsh on the genetic information of plants and plant products. Commonly produced oils such as olive oil, sesame oil and vegetable oil often contain only trace amounts of genetic information (plant DNA or ...

    Pesticide Analysis

    Pesticide use has been growing and with it, the need to test for the almost 1000 commercially available pesticides. We understand that you need fast and reliable solutions for your testing needs, and we seek to develop the tools to get you there. From our Z-Sep line for complex matrix cleanup to our...

    Introduction to Synthetic Biology

    Synthetic Biology is the combination of engineering principles and molecular biology techniques to produce novel biological solutions. Sigma® Life Science offers the building blocks for synthetic biology projects, including oligonucleotides and CRISPR genome editing reagents, as well as custom engin...

    Bacillus: A Ubiquitous Bacteria Genus

    Jvo Siegrist, Product Manager Microbiology Bacillus species are Gram-positive, rod-shaped bacteria; they can be either obligate or facultative aerobes and show positive reaction in the catalase test. Members of the genus Bacillus are known to form spores under stressful conditions. These endospores ...

    Enantiomeric Separation & Analysis of Native or Derivatized Amino Acids using Chiral HPLC and Mass Spectrometry

    Ric Cone and Wayne K. Way ric.cone@sial.com Separating native and derivatized amino acid enantiomers or diastereomers using chiral HPLC is integral to research in the pharmaceutical, bioscience, medical diagnostic, food, and agricultural sectors. Amino acids contain an asymmetric center, and determi...

    Improve Analysis of Pesticides in Oranges

    Although pesticides have proven to be invaluable in crop control, the same toxicity, stability, and mobility that enables them to effectively kill insects causes detrimental effects in humans and the environment1. Worldwide pesticide use in modern agriculture has led to the manifestation of pesticid...