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.

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.

Three Methods for Critical Quality Attribute Determination of Monoclonal Antibodies

Step-by-step workflows for the intact mass analysis, peptide mapping, and N-glycan analysis of the monoclonal antibody― adalimumab, for an accurate characterization of the critical quality attributes (CQAs) to ensure drug safety and efficacy. Read more.

Nanoclays in Multi-Functional Composites

Nanoclays are clay minerals optimized for use in clay nanocomposites– multi-functional material systems with several property enhancements targeted for a particular application.

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

Triphenoxazoles: A New Class of Fluorescent Photoconducting Liquid Crystalline Materials for Organic Electronic Applications

Here we introduce the Triphenoxazoles, a new class of organic electron donor-acceptor materials that can both be manipulated to change the electronic properties of the donor and acceptor with the consequent modulation of their HOMO/LUMO and properties, such as Stokes

Reversible Addition Fragmentation Chain Transfer (RAFT) Polymerization

RAFT (Reversible Addition Fragmentation chain Transfer) polymerization is a reversible deactivation radical polymerization (RDRP) and one of the more versatile methods for providing living characteristics to radical polymerization.

PCR/qPCR/dPCR Assay Design

The entire PCR workflow is vulnerable to factors which introduce variability. Many of the variable components are unavoidable, such as the source of the sample or the requirement for a reverse transcription step. Assay design is also highly variable and

Chitosan: A Versatile Platform for Pharmaceutical Applications

The development of new medical devices and pharmaceuticals plays an integral role in the medical industry. Both natural and synthetic polymers possess benefits that make them valuable components in therapeutics.

Protocols for the Fmoc SPPS of Cysteine-containing Peptides

Overcome challenges in synthesis and disulfide bond formation with protocols for Fmoc solid-phase peptide synthesis of peptides with cysteine and methionine.

Sample Preparation for Size Exclusion Chromatography

Samples for chromatographic purification should be clear and free from particulate matter. Simple steps to clarify a sample before beginning purification will avoid clogging the column, can reduce the need for stringent washing procedures, and can extend the life of

Properties of Mononuclear Cells Isolated by the Ficoll-Paque Method

The effects of the mononuclear cell separation method described by Bøyum procedure are noted below, since research situations may arise in which they are significant.

Dextran and Related Polysaccharides

Learn about C6H10O6 or dextran formation, classes and naming. Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, which have a linear backbone of α-linked d-glucopyranosyl repeating units.

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.

Glycol Ethers Properties & Examples, Organic Solvents

Glycol ethers, with both an ether and alcohol functional group in the same molecule, are one of the most versatile classes of organic solvents.

Sample Preparation for Affinity Chromatography in Specific Groups of Biomolecules

radiello® Diffusive Air Sampling Application - Volatile Organic Compounds (VOCs) Chemically Desorbed With CS2

The following procedure has been evaluated with Ficoll-Paque PLUS and is recommended for separation of normal blood samples for maximum reproducibility.

Sample Preparation in Ion Exchange Chromatography

This page clarifies sample preparation, buffer exchange and desalting, removal of lipoproteins, phenol red, and low molecular weight contaminants in Ion exchange chromatography.

Sample Preparation for Chromatographic Purification

This page discusses various aspects of sample preparation for chromatographic purification.

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