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Analysis of Pesticide Residues in Cannabis Using QuEChERS Extraction and Cleanup Followed by GC/MS/MS Analysis
Compared to conventional PSA/C18/GCB cleanup, cannabis extracts cleaned with the Supel QuE Verde mixture showed lower GC/MS background, and better recoveries for many pesticides.
Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with Dual-Layer SPE Cartridge
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
MRI/MRS: Use of Isotopes in Hyperpolarization
Sigma-Aldrich.com presents an article concerning MRI/MRS and the use of isotopes in hyperpolarization.
Periodic Table of the Elements
Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use.
SPME-GC-MS Determination of Phthalate Esters in Ramen Noodle Flavor Packets
A sensitive, quantitative, and reproducible SPME-GC/MS procedure was developed by Supelco for the extraction of phthalate esters from oily food matrices, such as the flavored oils included with ramen noodle kits.
Modulated Gene Expression in 3D Cell Culture: Implications for Drug Discovery
Introduction of the modulation in expression profile for some genes and proteins when comparing 2D versus 3D cell culture conditions.
Analysis of Pesticide Residues in Ginger Powder Using QuEChERS Extraction and Clean-up with a Novel Dual Layer SPE Cartridge
The odor and pungency of ginger is due to the presence of terpenes, gingerols and shogaols. These compounds contribute to the highly complex matrix of ginger, which subsequently presents a challenge in low level analyses of contaminants. A novel 2-layer
Mesoporous Silica and their Applications
Mesoporous Silica and their Applications
Flavors and Fragrances New Product Offerings
As a leading global supplier of new flavor and fragrance ingredients, we are dedicated to providing you with high-quality aroma chemicals comprising of certified food grade, IFRA, natural, kosher, and halal ingredients.
Flavors and Fragrances New Product Offerings
As a leading global supplier of new flavor and fragrance ingredients, we are dedicated to providing you with high-quality aroma chemicals comprising of certified food grade, IFRA, natural, kosher, and halal ingredients.
Pressure-Temperature Calculator for Solvents
Use the calculator to determine the boiling point or pressure of solvents based on the Antoine Equation and see solvent attributes. View a list of products based on the solvent CAS number.
Delivery of Nucleic Acids Using Polymers
Delivery of Nucleic Acids Using Polymers
Isotopic Labeling for NMR Spectroscopy of Biological Solids
Isotopic Labeling for NMR Spectroscopy of Biological Solids;
Metal-Organic Complexes for Doping Organic Semiconductors and Surface Doping
The conductivity of organic semiconductors can be increased, and the barriers to charge-carrier injection from other materials can be reduced, by the use of highly reducing or oxidizing species to n- or p-dope, respectively, the semiconductor.
TRC Library Citations
TRC 1.5 human and mouse shRNA libraries
Recent Advances in Scalable Synthesis and Processing of Two-Dimensional Materials
Advances in scalable synthesis and processing of two-dimensional materials
Immunohistochemistry: Current Applications in Skin Cancer
Immunohistochemistry (IHC) techniques and applications have greatly improved, dermatopathology is still largely based on H&E stained slides.This paper outlines ways in which IHC antibodies can be utilized for dermatopathology.
Graphene and Other 2D Crystals for Rechargeable Batteries
Advanced technologies for energy conversion and storage are widely sought after for their potential to improve consumer and electronic device performance as well as for the prospect of reducing the societal and environmental impact of energy generation.
MSI Testing and IHC
Colorectal cancer is a common occurrence among inhabitants of most Western countries, second only to carcinoma of the lung.
Recent Advances in Hybrid Halide Perovskites-based Solar Cells
For several decades, the need for an environmentally sustainable and commercially viable source of energy has driven extensive research aimed at achieving high efficiency power generation systems that can be manufactured at low cost.