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Chemistry
New in Chemistry (page 2 of 23)
May 11, 2012 | 02:08 PM CDT
Researchers Refine Biomimetic Polymer Synthesis
In a study from the University of Warwick, researchers from the UK and Australia describe a new method to synthesize polymers offering unprecedented control over the final polymer structure.
Apr 24, 2012 | 03:08 PM CDT
Comparatively Speaking: Solubility vs. Extraction
By: Anthony J. O'Lenick Jr., Siltech LLC
In this installment of "Comparatively Speaking," industry expert Tony O'Lenick describes the difference between solubility and extraction, and how various extraction techniques can be used to isolate desired cosmetic actives.
Apr 10, 2012 | 04:43 PM CDT
Comparatively Speaking: Solubility vs. Partition Coefficient
By: Anthony J. O'Lenick Jr., Siltech LLC
Here, industry expert Tony O'Lenick explains the difference between solubility and partition coefficient, as the understanding can lead to a better delivery of a formulation's materials.
Mar 30, 2012 | 03:47 PM CDT
Nanotechnology in Cosmetics: A Review
By: Xiao Wu, PhD, College of Pharmacy, University …
As the commercial applications of nanotechnology have increased in the past decade, a number of nanoparticles are now being used in cosmetic products with optimized sensory attributes and consumer-perceivable benefits. This article reviews various forms of nanoparticles used in the cosmetic industry, discussing their properties, interactions with the skin and potential health effects.
Mar 12, 2012 | 02:39 PM CDT
EPA, L'Oréal Collaborate to Build Animal-Alternative Test Methods
The US Environmental Protection Agency (EPA) and global cosmetic manufacturer L’Oréal announced a research collaboration to develop animal-alternative toxicity tests to ensure product safety.
Mar 01, 2012 | 11:24 AM CST
Fishing for Ideas at Informex USA 2012
By: Rachel L. Grabenhofer
At first, this cosmetics R&D trade journal editor felt like a fish out of water at the Informex USA specialty chemicals exhibition. However, some novel nibbles and a few big catches were made there for personal care R&D.
Dec 13, 2011 | 10:25 AM CST
Researchers Suggest New Way to Look at Manufacturing Emulsions
Researchers at Harvard's School of Engineering and Applied Sciences (SEAS) have discovered that stabilized emulsions may take months to years to reach equilibrium. This research has important implications for the manufacturing processes used in pharmaceuticals, cosmetics and foods, among other chemical industries.
Oct 28, 2011 | 03:28 PM CDT
Properties of O/W Emulsions with Anisotropic Lamellar Phases
By: Gerd Dahms, ICI Specialty Chemicals Group, Atl…
In cosmetic and pharmaceutical creams and lotions, fatty alcohols are well-known as viscosity modifiers. In addition, Schulmann and Cockbain found that the stability of oil-in-water emulsions was greatly increased by addition of cetyl alcohol.
Oct 28, 2011 | 01:42 PM CDT
Silicone Safety and the Cosmetic Industry
By: James Lambert, PhD NuSil Technology LLC
The use of silicones in personal care products continues to expand because of the unique performance attributes they provide and their well-established record of safety. As a result, progressively larger volumes of silicones are being released to the environment, and interest in their life cycle has increased. The present article summarizes relevant fundamental chemical and physical properties of silicones and how these relate to material performance, safety and environmental fate.
Oct 05, 2011 | 01:40 PM CDT
Nanocrystal Liquid Identification
By: Katie Anderson (Schaefer), Cosmetics & Toiletr…
Watermark Ink (W-Ink) utilizes chemical and optical properties of nanostructured materials to distinguish liquids based on surface tension. The nanostructured material is called an inverse opal, which is a layered glass structure with an internal network of ordered, interconnected air pores.