Results 11 to 20 of about 1,249,304 (294)

Contact Allergy to Castor Oil, but Not to Castor Wax

Cosmetics, 2017
Ricinus communis (castor) seed oil (CAS 8001-79-4), a vegetable oil extracted from the seeds of Ricinus communis, is widely used in cosmetics and pharmaceuticals, and may be a cause of allergic contact dermatitis from these products.
Michel Verheyden, Sven Rombouts, Julien Lambert, Olivier Aerts   +3 more
doaj   +2 more sources

Influence of solubilizer PEG-40 hydrogenated castor oil on carbopol gels’ structural-mechanical properties [PDF]

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2017
Rheological properties affect all stages of the drug development – from development to production, the characteristics of the final products and stability.
Ye. V. Gladukh, І. М. Grubnik, Н. Р. Kukhtenko   +2 more
doaj   +2 more sources

Viscosity reduction and stability study of Indian heavy crude oil/water emulsion using hydrogenated castor oil ethoxylate with 40 moles of ethylene oxide as surfactant

Results in Surfaces and Interfaces
Viscosity reduces when heavy crude oil forms oil-in-water (o/w) emulsion in water or brine and can be easily transported through the pipeline. In this study, an oil/water (o/w) emulsion was prepared using crude oil and water as continuous and dispersed ...
Shreyas Desai, Mousumi Chakraborty, Arun Kumar Jana, Himanshu P. Kohli   +3 more
doaj   +2 more sources

Study of rheological behaviour of hydroxyethyl cellulose gels in the development of the composition and technology of the medicine with anti-inflammatory activity [PDF]

Pharmacia, 2019
The aim of the research was to investigate the rheological behaviour of hydroxyethyl cellulose gels, which are used in the development of the composition and technology of the medicine with anti-inflammatory activity.
Vladyslav Postoy, Halina Kukhtenko, Liliia Vyshnevska, Ievgenii Gladukh, Kateryna Semchenko   +4 more
doaj   +3 more sources

New Approach for Preparing Solid Lipid Nanoparticles with Volatile Oil-Loaded Quercetin Using the Phase-Inversion Temperature Method

Pharmaceutics, 2022
Quercetin (QCT), a natural flavonoid, is of research interest owing to its pharmacological properties. However, its pharmacokinetic limitations could hinder its widespread therapeutic use.
Yotsanan Weerapol, Suwisit Manmuan, Nattaya Chaothanaphat, Sontaya Limmatvapirat, Jitnapa Sirirak, Poomipat Tamdee, Sukannika Tubtimsri   +6 more
doaj   +1 more source

Compatibility and efficiency of preservatives in emulsive cosmetics containing high surfactant content [PDF]

Brazilian Journal of Pharmaceutical Sciences, 2022
The objective of this study was to determine the influence of nonionic surfactants on the effectiveness of preservatives used in emulsions containing high surfactant content. Mixtures of different concentrations were prepared between polyethoxylated (40)
Priscila de Oliveira Schmitt, Ana Flávia Fischer, Ruth Meri Lucinda da Silva, Alexandre Bella Cruz   +3 more
doaj   +1 more source

Potential application of surfactant systems in formulation of dosage forms with slightly soluble substances [PDF]

Hemijska Industrija, 2012
In order to achieve fast release of ibuprofen, slightly soluble model substance (0.52104 mol/l), surfactant systems for oral use with different PEG-40 hydrogenated castor oil (C)/diethylene glycol monoethyl ether (T) ratios were investigated ...
Ibrić Svetlana R., Đurić Zorica R., Vasiljević Dragana D., Đuriš Jelena D., Milović Mladen R.   +4 more
doaj   +1 more source

The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls II: Empirical Methods to Remove Castor Oil and Suggestions for Redating [PDF]

, 2009
While kept at the Rockefeller Museum in East Jerusalem, many Dead Sea Scroll fragments were exposed to castor oil by the original team of editors in the course of cleaning the parchments.
Højrup, Peter, Pedersen, Carl Th., Rasmussen, Kaare Lund,, Pedersen, Carl Th.,, Rasmussen, Kaare Lund, Halfdan Stenby, Erling, van der Plicht, Johannes, Pedersen, Carl Th, Stenby, Erling Halfdan,, Lund Rasmussen, Kaare, Doudna, Gregory,, Doudna, Gregory, Nielsen, Frederik, Stenby, Erling Halfdan, Nielsen, Frederik,, Hojrup, Peter, Højrup, Peter,, Plicht, Johannes van der,   +17 more
core   +2 more sources

Evaluation of new formulations for neutralizing antimicrobial preservatives in pharmaceutical preparations

Heliyon, 2023
Background: Neutralization of preservative systems is essential to obtain reliable results when testing samples containing preservatives such as nutritional, cosmetic and pharmaceutical products.
Aya Katerji, Saleh Trefi, Yaser Bitar, Ali Ibrahim   +3 more
doaj   +1 more source

Oil–water partition coefficient preparation and detection in the dihydroartemisinin self-emulsifying drug delivery system

BMC Biotechnology, 2022
Background The aim of the present study is to increase the solubility of dihydroartemisinin (DHA) using the self-emulsifying drug delivery system (SEDDS).
Yunhong Wang, Jingcai Chen, Yang Yang, Sijia Gao, Zhuzhu Wang, Yating Liu, Xiaomei Zhang, Lei Hua, Yanlei Guo, Yong Yang   +9 more
doaj   +1 more source