phr1011

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Showing 31-36 of 36 results for "phr1011" within Papers

Assessment of principal parabens used in cosmetics after their passage through human epidermis-dermis layers (ex-vivo study).

Sawsan El Hussein et al.

Experimental dermatology, 16(10), 830-836 (2007-09-12)

Concern is continuously raised about the safety of parabens which are present in most of the cosmetic preparations. In this investigation, methyl-, ethyl-, propyl- and butyl paraben (MP, EP, PP, BP), in a commercial cosmetic lotion, were deposited on human

Addition of perfluorocarbons to alginate hydrogels significantly impacts molecular transport and fracture stress.

Joseph C White et al.

Journal of biomedical materials research. Part A, 101(2), 438-446 (2012-08-07)

Perfluorocarbons (PFCs) are used in biomaterial formulations to increase oxygen (O(2) ) tension and create a homogeneous O(2) environment in three-dimensional tissue constructs. It is unclear how PFCs affect mechanical and transport properties of the scaffold, which are critical for

Mixture effects at very low doses with combinations of anti-androgenic pesticides, antioxidants, industrial pollutant and chemicals used in personal care products.

Frances Orton et al.

Toxicology and applied pharmacology, 278(3), 201-208 (2013-09-24)

Many xenobiotics have been identified as in vitro androgen receptor (AR) antagonists, but information about their ability to produce combined effects at low concentrations is missing. Such data can reveal whether joint effects at the receptor are induced at low

Formulation and evaluation of in situ gelling systems for intranasal administration of gastrodin.

Zheng Cai et al.

AAPS PharmSciTech, 12(4), 1102-1109 (2011-09-01)

Gastrodin is the major bioactive constituent of the traditional Chinese drug "Tianma." It is used in the treatment of some nervous system diseases and can be transported to the brain via intranasal administration. In the current paper, the development of

Use of a capillary tube for collecting an extraction solvent lighter than water after dispersive liquid-liquid microextraction and its application in the determination of parabens in different samples by gas chromatography--flame ionization detection.

M A Farajzadeh et al.

Talanta, 81(4-5), 1360-1367 (2010-05-06)

In this study a new dispersive liquid-liquid microextraction (DLLME) method is presented on the basis of a safe organic solvent, octanol, which is lighter than water. The proposed method is used for the extraction and pre-concentration of some preservatives including

Direct rapid analysis of multiple PPCPs in municipal wastewater using ultrahigh performance liquid chromatography-tandem mass spectrometry without SPE pre-concentration.

Ke Yu et al.

Analytica chimica acta, 738, 59-68 (2012-07-14)

Ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was utilized to develop a rapid, sensitive and reliable method without solid phase extraction (SPE) pre-concentration for trace analysis of 11 pharmaceuticals and personal care products (PPCPs) in inﬂuent and efﬂuent from municipal

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