نتایج جستجو برای: inorganic matrix

تعداد نتایج: 435509  

Journal: :Aggregate 2021

Fluorescent silica organic–inorganic nanohybrids which combine designable luminescence performance of organic fluorescent dyes and various outstanding advantages nanomaterials have attracted increasing research interests in these fascinating areas. Optical transparency facile functional modification properties material provide great opportunities to integrate desired molecules for frontier lumi...

Journal: :Applied Physics Letters 2021

Inorganic–organic superlattice (SL) thin films are intriguing candidates for flexible thermoelectric applications; in such SLs, the heat conduction can be efficiently blocked at inorganic/organic interfaces. Fabrication of these materials using atomic/molecular layer deposition (ALD/MLD) technique allows precise layer-sequence manipulation. Another unique advantage ALD/MLD is its capability to ...

Composite nanofibers composed of an organic polymer and inorganic nanomaterials have huge potential to be used in different industrial applications. However, the main concern on the use of composite nanofibers is the distribution properties of nanomaterials in the polymeric matrix. The effect of the capillary tip charge on the additive distribution in the electrospun nanofiber has been prev...

Journal: :Journal of the American Chemical Society 2007
Jian Zhang Chad M Shade Demetra A Chengelis Stéphane Petoud

A strategy to sensitize and protect near-infrared (NIR) emitting Nd3+ and Yb3+ is presented. Combining protection provided by the inorganic matrix of NaYF4 nanocrystals and sensitization from tropolonate ligands capped on their surface, the lanthanide cation centered luminescence was observed through the ligand excitation. The extended lanthanide luminescence lifetimes indicate the success of t...

Journal: :international journal of advanced biological and biomedical research 2014
mohammad darbandi ali reza astaraei alireza karimi amir lakzian

biological systems provide many examples of specifically tailored, nanostructured molecules with highly optimized properties and characteristics. these biomaterials are composite materials and consist of an inorganic component and a special organic matrix. crystalline bacterial cell surface layers (s-layers( are the outermost cell envelope component of many eubacteria and archaea and are compos...

Journal: :Free radical research communications 1989
A Stier S A Finch H Schäfer M M Gebhardt H J Bretschneider

Four tissue compartments, differing in proton and inorganic phosphate concentration, were resolved by 31P-NMR spectroscopy in samples from dog hearts after cardioplegic treatment with HTK solution. Inversion of the physiological cytoplasmic-mitochondrial pH gradient was observed. The considerable ensuing acidosis of the matrix is discussed with regard to a possible delocalization of ferrous ions.

Journal: :Advanced materials 2010
Kanwar S Nalwa Yuankun Cai Aaron L Thoeming Joseph Shinar Ruth Shinar Sumit Chaudhary

A photoluminescence (PL)-based oxygen and glucose sensor utilizing inorganic or organic light emitting diode as the light source, and polythiophene: fullerene type bulk-heterojunction devices as photodetectors, for both intensity and decay-time based monitoring of the sensing element's PL. The sensing element is based on the oxygen-sensitive dye Pt-octaethylporphyrin embedded in a polystyrene m...

Ch. Matsouka D.E. Koutsonikolas, S.P. Kaldis V.T. Zaspalis

The gas separation performance of commercial ceramic Titania and hybrid silica (HybSi®) membranes was assessed using the gas permeation and permporometry methods. Results indicated that the HybSi® membranes have a hybrid surface containing regions covered by a polymeric matrix and others with inorganic pores. These membranes have high H2 selectivity, which incre...

F. Doulati Ardejani, K. Badii, M. Aziz Saberi R. Hashemi Nasab Sh. Abdolreza,

D iatomite is an inexpensive natural mineral. It can be used as an adsorbent to remove organic and inorganic pollutants from the waste waters without further improvement. In this research, the adsorption of two different basic colorants including Basic Yellow 28 (BY28) and Malachite Green (MG) by diatomite has been investigated in an aqua binary mixture and the effects of different parameters h...

Journal: :ACS Nanoscience Au 2023

Matrix stones are a rare form of kidney stones. They feature high percentage hydrogel-like organic matter, and their formation is closely associated with urinary tract infections. Herein, comprehensive materials biochemical approaches were taken to map the organic–inorganic interface gather insights into host–microbe interplay in pathological renal biomineralization. Surgically extracted soft s...

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