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Solvent-Free Method (solvent-free + method)

Distribution by Scientific Domains
Chemistry85%

Selected Abstracts

ChemInform Abstract: Lithium Bromide Catalyzed Solvent-Free Method for the Synthesis of 2-Substituted Benzimidazoles and Imidazopyridines.

CHEMINFORM, Issue 38 2010
Deepak V. Dekhane
Abstract The transformation with nitrile esters must be carried out in the absence of LiBr; otherwise, formation of by-products is observed. [source]

ChemInform Abstract: Microwave-Assisted Catalyst-Free and Solvent-Free Method for the Synthesis of Quinoxalines.

CHEMINFORM, Issue 14 2010
Jian-Feng Zhou
Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a "Full Text" option. The original article is trackable via the "References" option. [source]

ChemInform Abstract: Catalyst-Free and Solvent-Free Method for the Synthesis of Quinoxalines under Microwave Irradiation.

CHEMINFORM, Issue 42 2009
Jian Feng Zhou
Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a "Full Text" option. The original article is trackable via the "References" option. [source]

Synthesis and Catalytic Activity of Cryptomelane-Type Manganese Dioxide Nanomaterials Produced by a Novel Solvent-Free Method.

CHEMINFORM, Issue 1 2006
Yun-shuang Ding
Abstract For Abstract see ChemInform Abstract in Full Text. [source]

A Solvent-Free Method for Substituted Imidazolidin-4-ones Synthesis.

CHEMINFORM, Issue 36 2004
Jiri Pospisil
Abstract For Abstract see ChemInform Abstract in Full Text. [source]

"Supercritical Carbon Dioxide in Water" Emulsion-Templated Synthesis of Porous Calcium Alginate Hydrogels,

ADVANCED MATERIALS, Issue 4 2006
S. Partap
Controlled-porosity alginate hydrogels are synthesized via a novel organic solvent-free method, "reactive emulsion templating", which utilizes dense-phase carbon dioxide as a reagent and as a templating agent to produce well-defined hydrogels with a narrow macropore-size distribution and high degrees of porosity and interconnectivity (see Figure). These hydrogels may find use in the biomedical field as drug delivery devices, wound dressings, or as supports for tissue engineering applications. [source]

Manufacture of solvent-free polylactic-glycolic acid (PLGA) scaffolds for tissue engineering

ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING, Issue 2 2009
Shih-Jung Liu
Abstract Conventional methods for fabricating polymeric scaffolds often use organic solvents which might be harmful to cells or tissues. The purpose of this report was to develop a solvent-free method for the fabrication of three-dimensional scaffolds for tissue engineering. To manufacture a scaffold, polylactide-polyglycolide (PLGA) copolymers were premixed with sodium chloride particulates. The mixture was then compression molded and sintered to form a cylinder. After sintering, the cylinder was submerged in water for 48 h to leach out the particulates. The scaffold, with approximately 2 × 107 mesenchymal stem cells (MSCs) of the New Zealand rabbit, was then cultured in an osteogenic culture medium for 14 days. The alkaline phosphatase activity, calcium level, and the mineral deposition of cultured cells in the PLGA scaffolds were determined. The results showed that an increase of alkaline phosphatase activity and calcium levels, as well as abundant mineral deposition, was observed in the cultured mesenchymal stem cells. In addition, scaffolds with pore sizes of 88,125 µm showed the most number of cells during the period of culture. Developing solvent-free biodegradable scaffolds for bone cells may provide a potential method for the treatment of infected bone defects. Copyright © 2008 Curtin University of Technology and John Wiley & Sons, Ltd. [source]