نتایج جستجو برای: amphiphilic nanohybrids

تعداد نتایج: 6086  

2009
P Nalawade

Combination of two-dimensional layered materials and intercalation technique offers a new area for developing nanohybrids with desired functionality. Layered double hydroxides (LDHs) are mineral and synthetic materials with positively charged brucite type layers of mixed metal hydroxides. Exchangeable anions located in interlayer spaces compensate for positive charge of brucite type layer. Sinc...

Journal: :Chemical Society reviews 2009
Takashi Uemura Nobuhiro Yanai Susumu Kitagawa

Recent developments in polymerizations within the nanochannels of porous coordination polymers (PCPs) are covered in this tutorial review. The characteristic features of PCPs are regular structures, controllable channel sizes and shapes, a designable surface functionality, and flexible frameworks, which can be utilized for precision polymer synthesis and specific polymer confinement. This revie...

Journal: :Chemical communications 2014
Gour Chand Daskhan Narayanaswamy Jayaraman

Synthesis of amphiphilic, cyclic di- and tetrasaccharides, which incorporate a methylene moiety at the inter-glycosidic bond, is reported. The amphiphilic properties of the new cyclic tetrasaccharide host were identified through assessing the solubilities of guests in aqueous and in organic solvents. The glycosidic bond stability of the cyclic tetrasaccharide under aqueous acidic condition was ...

Journal: :Chemical communications 2014
Jörg Duschmalé Sonja Kohrt Helma Wennemers

Amphiphilic tripeptides catalyze conjugate addition reactions of aldehydes to nitroolefins in water with high yields and stereoselectivities. The amphiphilic nature shields the peptidic catalyst from the water and stabilizes the emulsion formed by the reactants in the aqueous environment. The findings have intriguing implications for the chemical evolution of enzymes.

Journal: :Biomaterials 2021

Natural inorganic/organic nanohybrids are a fascinating model in biomaterials design due to their ultra-microstructure and extraordinary properties. Here, we report unique-structured through self-assembly of biomedical nanounits, composed bioactive inorganic nanoparticle core (hydroxyapatite, glass, or mesoporous silica) chitosan shell - namely [email protected] The thin-shelled with could cons...

Journal: :ACS applied nano materials 2022

Excess urea fertilizer application to the agricultural fields causes severe environmental deterioration. Researchers actively seek safer alternatives, such as nanoparticles with unique properties, reduce chemical inputs without compromising output. In present study, three variants─hydroxyapatite–urea, magnesium-doped hydroxyapatite–urea, and zinc-doped hydroxyapatite–urea nanohybrids─have been ...

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