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332,290 results
  • Direct Analysis of Dimethicone in Aqueous Emulsions by Infrared Spectroscopy. [Journal Article]
    J Cosmet Sci 2019 Jul/Aug; 70(4):209-216Walker EB, Naisbitt CS
  • Dimethicone is a mixture of fully methylated linear siloxane polymers of various molecular weights. This water-insoluble ingredient provides exceptional skin protection and lubrication when incorporated into skin and hair care products. Quantitative analysis of dimethicone is often required to support quality assurance testing of finished products. We report a new, rapid analytical method based o…
  • Simultaneous Determination of Nine Sunscreen Agents by HPLC and Chemometric Analysis. [Journal Article]
    J Cosmet Sci 2019 Jul/Aug; 70(4):167-180Moraffah F, Adli H, … Hajimahmoodi M
  • A worldwide outbreak of skin cancer, related to ultraviolet (UV) radiations, was reported. Therefore, primary prevention programs were initiated. Application of sunscreens is one of the most efficient ways of protection; however, their efficiency and safety have remained a challenging issue. So, it seems necessary to consider the potential side effects for limiting the use and amount of sunscreen…
  • The Multistage Signals Based on Cyclic Chemiluminescence for Decoding Complex Samples. [Journal Article]
    Anal Chem 2019Zhong Y, Hu Y, … Zhang R
  • Identification of complex samples presents a difficult challenge for modern analytical techniques, and the differentiation among closely similar mixtures often remains indeterminate. In this paper, we designed a simplified cyclic chemiluminescence (CCL) system that is able to measure multistage signals in a single sample injection. The system was used to investigated the CCL reactions of the bina…
  • Expert opinions in dermatology. [Journal Article]
    J Dtsch Dermatol Ges 2019; 17(8):810-823Elsner P
  • Apart from their medical responsibilities relating to the diagnosis, treatment and prevention of skin diseases, dermatologists may also be asked to provide expert medical opinions. In their role as medical experts, dermatologists provide their services not only to public institutions and courts but also to private clients. Expert dermatological opinions involve the application of medical knowledg…
  • Guidance on the use of PET for treatment planning in radiotherapy clinical trials. [Journal Article]
    Br J Radiol 2019; :20190180Pike LC, Thomas CM, … Barrington SF
  • The aim of this article is to propose meaningful guidance covering the practical and technical issues involved when planning or conducting clinical trials involving positron emission tomography (PET)-guided radiotherapy. The complexity of imaging requirements will depend on the study aims, design and PET methods used. Where PET is used to adapt radiotherapy, a high level of accuracy and reproduci…
  • Constructing publics in museums' science communication. [Journal Article]
    Public Underst Sci 2019; :963662519870692Hetland P
  • This article investigates how scientists at natural history museums construct publics in science communication and identifies four major constructions based on Braun and Schultz's categories: the general public, the pure public, the affected public, and the partisan public. This study draws on data from 17 research scientists at two natural history research museums in Norway who were interviewed …
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