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    46 matches found for cosmetics

    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...

    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 ...

    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...

    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 ...

    Silver Nanoparticles: Properties and Applications

    Related Products • Silver Nanoparticles • Gold Nanoparticles • Nanomaterials • Specialty Polymers and Nanomaterials for Drug Delivery Related Articles • Gold Nanostructures • Gold Nanoparticles: Properties and Applications • Fluorescent Silica Nanobeads: Properties and Applications • Iron Oxide Nano...

    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...

    A Review of Mesoporous TiO2 Thin Films

    Jinshu Wang*, Junshu Wu, Hongyi Li The Key Lab of Advanced Functional Materials, Ministry of Education China, School of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China *Email: wangjsh@bjut.edu.cn Titanium dioxide (TiO2) is an important n-type semiconducting...

    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 ...

    3D Bioprinting: Bioink Selection Guide

    3D bioprinting enables the generation of precisly controlled 3D cell models and tissue constructs, by engineering anatomically-shaped substrates with tissue-like complexity. Due to the high degree of control on structure and compostion, 3D bioprinting has the potential to solve many critical unmet n...

    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...

    Psyllium (Plantago ovata) | Plant Profiler

    Synonyms / Common Names / Related Terms Arabinose, Bran Buds® cereal, bulk laxative, Effersyllium®, fiber, Fiberall®, Fiber-loop cereal, flea seed, fleawort, Fybogel®, Heartwise® cereal, hemicellulose, Hydrocil®, Indian plantago seed, isabgol, I-so-gel®, ispaggol, ispaghula, ispaghula husk, ispaghul...

    Vitamin Standards

    Sigma-Aldrich vitamin analytical standards comprise a full range of fat- and water-soluble vitamins for use in a variety of chromatographic, mass spectrometry-based and other analytical applications from quality control analysis of vitamin-based dietary supplements, fortified foods, cosmetics, or ph...

    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 ...

    Astec Chiral Chromatography Bibliography by Subject

    Amino Acids, Peptides, Biomolecules Chemical, Environmental, Petrochemical Chiral LC-MS Food, Beverage, Natural Products Mechanistic Studies Pharmaceutical, Clinical Preparative, SFC, SMB Daniel W. Armstrong Publications Copyright restrictions do not permit us to provide copies of the articles liste...

    Allergens: A Need for Transparency

    Millions of people suffer from food allergies. For most people, the allergenic reaction is mild, but uncomfortable. Some people, however, may have severe or even life-threatening reactions. Concern for consumer protection has increased scrutiny on allergens. Undeclared allergens are now the most com...

    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...

    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...

    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...

    Aloe (Aloe vera) | Plant Profiler

    Synonyms / Common Names / Related Terms Acemannan, Aloe africana, Aloe arborescens Miller, Aloe barbadensis, Aloe barbadesis, Aloe capensis, aloe-coated gloves, Aloe ferox, aloe latex, aloe mucilage, Aloe perfoliata, Aloe perryi Baker, Aloe spicata, Aloe vulgari, Barbados aloe, bitter aloe, burn pla...

    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...

    GC Analysis of Glycols and Diols

    • • Download PDF • mike.buchanan@sial.com Glycol and diol compounds are used to solubilize active ingredients for use in many consumer products, including cosmetics, ballpoint pen inks, wood stains, and lacquers. They are also used as co-monomers in polymerization reactions to form polyesters and po...

    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...

    Normal-Phase Methodology in Solid Phase Extraction

    Basic Steps Common Normal-Phase Solvents Non-polar Sample Matrix/ Mobile Phase Environment In order for polar retention to occur between the sorbent and the sample, the analyte must be introduced to the SPE device in a non-polar sample or mobile phase environment. Therefore, typical sample matrices ...

    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...

    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...

    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...

    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...

    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 •...

    Detection and Determination of Caffeine, Taurine and Arginine in Shampoos by HPTLC

    Analytix Reporter Issue 1 | 2018 Products & Related Products • View Product List • HPTLC Plates • HPLC Solvents • Standards for Personal Care and Cosmetic Products Related Links • Cosmetic & Personnal Care • Standards & Reference Materials Related Articles • Analytical Reporter Vol. 1 (PDF) Applicat...

    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,...