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Recent in Testing (page 21 of 32)
Jan 29, 2010 | Hongbo Zhai, MD, and Howard I. Maibach, MD, University of California San Francisco
New methodologies have recently been developed to determine antioxidant effects but they often require extensive training and are time-consuming to conduct. In the present article, however, the authors describe an in vitro method to detect the effects of antioxidant-containing formulations using photochemiluminescence to provide rapid, accurate and sensitive measurements.
Jan 22, 2010
A chip created by L'Oréal and Hurel Corp. is designed to replace the local lymph node assay, a test often performed on cosmetic raw materials. In addition to saving animals, the chip is also said to be less expensive than animal testing. Hurel developed the working microfluidic portion of the chip.
Oct 26, 2009
A new software platform has been designed to improve the efficiency and effectiveness of chemical and materials research to increase research productivity and decrease time-to-innovation.
Oct 20, 2009
BD Biosciences is hosting a webinar dedicated to cell-based assays. Elizabeth Abraham, PhD, a research scientist at BD Biosciences, will discuss the applications for the company's BD PureCoat surfaces.
Oct 13, 2009 | Johann W. Wiechers, PhD, JW Solutions
Following positive feedback from a previous column on the placebo effect, Wiechers readdresses clinical study design in relation to cosmetic claim substantiation—this time discussing when to perform double-blind studies and when to perform single-blind studies.
Oct 9, 2009
The HairDX Genetic Test for Hair Loss, a genetic baldness test manufactured by HairDX LLC, is now available as a CE Marked product under the European In Vitro Diagnostic Directive.
Sep 1, 2009
Brookfield Engineering celebrates its 75th anniversary with the introduction of the Falling Ball Viscometer, an instrument to assess the dynamic viscosity of transparent Newtonian fluids.
Aug 28, 2009 | M. Pissavini, S. Marguerie, A. Dehais, L. Ferrero and L. Zastrow, Coty-Lancaster International
Here, the authors describe a variable that affects the results of SPF testing in vitro—the roughness parameter—and investigate this variable using standard and molded poly(methyl methacrylate) (PMMA) substrates. They conclude that use of a molded substrate, along with the described control chart, improves the reproducibility of in vitro SPF test results.
Aug 28, 2009
The European Centre for the Validation of Alternative Methods (ECVAM) is renewing its scientific advisory structure and is calling for life sciences experts interested in joining its ESAC or EEP groups.
Jul 30, 2009 | Rachel Chapman, Cosmetics & Toiletries magazine
This edition of C&T magazine takes a closer look at alternatives to animal testing with Oborska’s review of existing and pending methods. In addition, the author discusses the complexity of the process to validate alternative test methods.
Jul 30, 2009 | Anna Oborska, PhD, Polish Association of Cosmetics and Home Care Products Producers
Alternative test methods have the potential to reduce animal testing; however, the extent to which in vitro methods can be replaced is questionable. This article summarizes validated alternatives to test the safety of cosmetic ingredients. It also illustrates how great a challenge it is to devise a proper alternative method.
Jul 1, 2009
Cutest Systems Ltd has installed a Labsphere UV-2000S sunscreen analyzer at the companies laboratories in Cardiff, Wales.
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Between The Covers Discover:
- Amino acid distribution and biochemistry
- Examination of strength and anti-breakage product claims
- Hair: growth cycle, heat protection, shine, and color intensity and retention
- Overview of shampoos and issues relating to surfactants
- Science of hair color including chemical reactions and formulations
- Ethnic differences in hair and absorption of materials
- Evaluate and quantify visual properties of hair
- Dandruff-Causes and biology of the condition
- Hair styling products and polymers
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Finally! This book offers practical approach to the formulation chemist’s day-to-day endeavors by: addressing the innumerable challenges facing the chemist both in design and at bench, such as formulating with/for specific properties; offering valuable “tips” to troubleshooting issues regarding ingredient selection and interaction, regulatory concerns that must be addressed early in development, and the extrapolation of preservative systems; exploring the advantages and limitations of raw materials; addressing scale-up and pilot production process and concerns; and much more.Order your copy today.