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52 matches found for cosmetics

Enzymatic Method for Determining D-Sorbitol (D-Sorbitol Assay)

This assay protocol is suitable for the colorimetric detection of D-sorbitol in samples such as foods, fruits, fruit juices, cosmetics, pharmaceuticals, and paper using the D-Sorbitol Assay Kit (MAK010). D-Sorbitol is oxidized to fructose with the proportional development of intense color with an ab...

Pseudomonas Media and Tests

Pseudomonas are motile (one or more polar flagella), rod shaped and aerobe Gram-negative bacteria. They are found almost everywhere, in soil, water, plants and animals. In most cases it is not pathogenic and in fact can be beneficial. For example, P. putida is used as a bio-scrubber to aid in the bi...

Poly(2-Oxazoline)S: The Versatile Polymer Platform for Biomedicine

Victor R. de la Rosa,1 An Van Den Bulcke,2 and Richard Hoogenboom1* 1Supramolecular Chemistry Group, Department of Organic and Macromolecular Chemistry Ghent University, Krijgslaan 281-S4, 9000 Ghent, Belgium 2ChemTech, Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan ...

HPLC Separation of Fluorinated Pharmaceutical Compounds on Supelco Ascentis Columns

Jacinth A. M. McKenzie and Wayne K. Way wway@sial.com Fluorinated compounds possess distinct characteristics that confer desirable physico-chemical properties compared to their non-fl uorinated analogs. Their abundance in pharmaceuticals, chemicals, consumer products and as environmental pollutants ...

Dispensette® S Bottletop Dispenser Technical Data

Liquids which form deposits may make the piston difficult to move or may cause jamming (e.g., crystallizing solutions or concentrated alkaline solutions). When dispensing inflammable media, make sure to avoid the buildup of static charge, (e.g., do not dispense into plastic vessels; do not wipe inst...

Biomaterials Tutorial

Related Products • Biomaterials Products • Specialty Polymers and Nanomaterials for Drug Delivery • Dendrimers in Nanomaterials Related Articles • Degradex® Microspheres and Nanoparticles for Drug Delivery Research and Formulation Development • Dendritic Polyester Scaffolds for Drug Delivery Applica...

Food & Cosmetic Component Standards

Sigma-Aldrich offers a comprehensive portfolio of thousands of standards and CRMs used in the analysis of food and cosmetics as well as in other analytical applications. Our high purity standards help to keep food and cosmetic products safe and allow manufacturers and laboratories to meet all legal ...

FITC-labelled polysaccharides

FITC-Dextran FITC-DEAE-dextran (FDD) FITC-carboxymethyl-dextran (FCM-Dextran) FITC-polysucrose (FITC-Ficoll®) FITC-DEAE-polysucrose FITC-CM-polysucrose (FITC-CM-Ficoll®) FITC-inulin Fluorescein hyaluronic acid (FHA-Se) TRITC-labelled polysaccharides TRITC-polysucrose (TRITC-Ficoll®) Tetramethyl-rhod...

Mesoporous Titanium Dioxide Thin Films

Related Articles • Synthesis of Melting Gels using Mono-Substituted and Di-Substituted Alkoxysiloxanes • Nanostructured Materials through Ultrasonic Spray Pyrolysis • Advanced Inorganic Materials for Solid State Lighting • Materials for Energy Efficiency (4.18 Mb PDF) • Nanoscale Surface Modificatio...

Lime (Citrus aurantiifolia) | Plant Profiler

Synonyms / Common Names / Related Terms AA, acid lime, Adam's apple, agua de limón, areca quid, ascorbic acid, β-pinene, baladi (Egypt, Sudan), bara nimbu, bijapura, bisabolene, citral, Citrus acida, Citrus aurantiifolia, Citrus lima, Citrus limetta, Citrus limetta var. aromatica, Citrus limmerttioi...

Cosmetics & Personal Care

All great cosmetic actives and products start with safe, reliable and compliant ingredients. Whether you are a perfumer looking for fragrance ingredients that follow the IFRA guidelines or a cosmetic formulator looking for hard to find ingredients or innovative products like our Strat-M® membrane sk...

Contact Us

We support you! Benefit from more than 40 years of experience in developing and improving Karl Fischer reagents and standards in our application laboratories in US, Europe and Asia. We can help you achieve accurate, reliable, and fast water content determination every time. Contact us For further su...

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...

Analytix Reporter – Analytical Journal

View archived issues of previous newsletters: • Analytix • The Reporter Analytix Reporter Issue 3 | 2018 Download PDF Cosmetics & Personal Care • Allergenic Fragrance Testing – New Certified Reference Materials and GC-FID/GC-MS Application • New Essential Oil Reference Materials Nutritional Suppleme...

Terms & Conditions of Sale

Version 3 (05/20/2015) • Terms and Conditions of Sale to End Users and Non-appointed Distributors of Sigma-Aldrich, Inc. (hereinafter “Sigma-Aldrich”) • Terms and Conditions of Sale to Authorized Distributors (U.S.) of Sigma-Aldrich, Inc. (hereinafter “Sigma-Aldrich”) Contents 1. Acceptance of Terms...

Industries

Academic Research Agriculture Biopharmaceuticals Chemical R&D Clinical Testing Cosmetics & Personal Care Diagnostic Manufacturing Energy & Display Environmental & Industrial Hygiene Flavors & Fragrances Food & Beverage Forensics Testing Medical Materials Pharma Manufacturing Pharma QC Semiconductors...

The History of Sigma

A Global Giant is Born While the Great Depression saw many famous businesses ending, it was also a time when a few companies, destined to be great, began. One such enterprise was a precursor of what would eventually become Sigma-Aldrich. As the depressed American economy began to slowly improve, a f...

European Export | Terms & Conditions

• Opening A Sigma-Aldrich Account • Use Of Products • Pricing • Price Changes • Warranties And Disclaimers • Return Policy • International Shipping Information Opening A Sigma-Aldrich Account When you are ready to place your order, contact your local Sigma-Aldrich distributor, or contact us at deuex...

Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with a Novel Dual-Layer SPE Cartridge

Analytix Reporter Issue 1 | 2018 Products & Related Products • View Product List • Turmeric Standards • Supelclean™ Ultra SPE • Solvents • SLB GC Columns • Ascentis Express HPLC Columns • QuEChERS - Dispersive SPE Tubes Related Links • Pesticide Analysis • Food & Beverage Analysis Related Articles •...

Fullerenes for Bioscience & Photovoltaic Applications

Related Products • Fullerenes • Organic Photovoltaic (OPV) Materials • p-Type Organic Semiconductors • n-Type Organic Semiconductors Related Articles • Graphene Technologies • Nanomaterials • Organic & Printed Electronics • Novel Properties and Applications of Polyhydroxylated Fullerenes • Organic P...

Quality Reference Standards for Monitoring Nitrosamine Contaminants

Vicki Yearick vicki.yearick@sial.com Nitrosamines are commonly occurring organic chemicals that pose a serious health threat to humans. They are easily formed by the reaction of an amine and a nitrosating agent such as nitrites, nitrogen oxides or nitrous acids. Laboratory studies have demonstrated ...

Use of a Synthetic, Animal-Free Membrane for Transdermal and Topical Delivery of Actives: A Powerful Tool for Pharmaceutical/Personal Care Formulation Development

EuroCosmetics: The International Magazine for Cosmetics & Fragrances November/December 2017 Volume No. 25 [Vivek Joshi, Ph.D.] Link to Article Transdermal or topical administration of skin actives, whether for pharmaceuticals or cosmeceuticals can offer a number of advantages over oral/intravenous/n...

HPTLC Webinar

Thin-Layer Chromatography has been a well-known method for analysis of botanicals and other complex samples since the end of the 1930s. Today’s modern thin-layer chromatography combines the advantage of analytical robustness and high sample throughput with the possibility to use all kind of specific...

Webinar: Making new connections – An overview of new TLC-MS Applications

In the last decade the trend for hyphenating different analytical techniques became an more and more important role in analytical labs. Combinations like LC-LC-MS or LC-MS-MS help to solve the analysis of complex samples in a proper way. The Analytical data which could be received are more sensitive...

Terms and Conditions of Sale to End Users Purchasing Third-Party Products

August 26, 2015 • US Terms & Conditions • UK/EU Terms & Conditions 1. Acceptance of Terms — By purchasing and accepting delivery of products manufactured and supplied by third-party vendors (“Vendors”) and sold via Sigma-Aldrich’s Internet Commerce website (“Products”) you agree to be bound by these...

Bio-Inspired “Green” Synthesis of Nanomaterials and their Applications

Dr. Siddharth V. Patwardhan Department of Chemical and Process Engineering University of Strathclyde, 75 Montrose Street Glasgow G1 1XJ, UK Email: Siddharth.Patwardhan@strath.ac.uk Silica is a very popular inorganic nanomaterial used in a wide range of applications including fillers for rubber, cata...

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...

Navigating Fragrance Allergens

Related Categories • Fragrance Allergen Standards • Fragrance Allergen Calibration Mixes • Flavors & Fragrances • Ingredients Following IFRA Guidelines • Certified Natural Products • Food Grade • Food Safe Elite Related White Papers • Navigating Natural Flavor Regulations • Challenges in Creating Na...

Benchtop flow cytometry facilitates discrimination between induction of DNA damage, oxidative stress and protein misfolding using a novel multicell GFP reporter assay

Giel Hendriks1, Remco S. Derr1, Harry Vrieling2, Robin T. Clark3 1Toxys B.V., Robert Boyleweg 4, 2333 CG, Leiden, The Netherlands 2Department of Human Genetics, Leiden University Medical Center, PO Box 9600, 2300 RC, Leiden, The Netherlands 3MilliporeSigma, a business of Merck KGaA, Darmstadt, Germa...

2D GC-MS Determination of Allergens in Fragrances

Related Articles • Reporter US Volume 33.4 (4 Mb PDF) • Volatile Profiles of Honeys Using HS-SPME-GC-MS • Assessing the Benefits of a “Hike in the Mountains” Using SPME Introduction Perfumes are complex mixtures comprising essential oils, aroma compounds, fixatives, and solvents. Contact dermatitis,...