نتایج جستجو برای: sio2 membrane

تعداد نتایج: 402821  

Journal: :Physical review letters 2002
Feng Liu Minghuang Huang P P Rugheimer D E Savage M G Lagally

Pseudomorphic three-dimensional Ge nanocrystals (quantum dots) grown on thin silicon-on-insulator substrates can induce significant bending of the silicon template layer that is local on the nanometer scale. We use molecular dynamics simulations and analytical models to confirm the local bending of the Si template and to show that its magnitude approaches the maximum value for a freestanding me...

2017
Chongwen Wang Kehan Zhang Zhe Zhou Qingjun Li Liting Shao Rong Zhang Hao Rui Xiao Shengqi Wang

Nanomaterials combined with antibiotics exhibit synergistic effects and have gained increasing interest as promising antimicrobial agents. In this study, vancomycin-modified magnetic-based silver microflowers (Van/Fe3O4@SiO2@Ag microflowers) were rationally designed and prepared to achieve strong bactericidal ability, a wide antimicrobial spectrum, and good recyclability. High-performance Fe3O4...

Journal: :ACS applied materials & interfaces 2014
Ming Hang Tai Peng Gao Benny Yong Liang Tan Darren D Sun James O Leckie

A novel free-standing and flexible electrospun carbon-silica composite nanofibrous membrane is newly introduced. The characterization results suggest that the electrospun composite nanofibers are constructed by carbon chains interpenetrated through a linear network of 3-dimensional SiO2. Thermogravimetric analysis indicates that the presence of insulating silica further improve the thermal resi...

Journal: :Lebensmittel-Wissenschaft & Technologie 2021

Concentrated sugarcane juice (CSJ) is considered as one of the healthy sugar products, and so a potential feedstock in beverage formulations soft drinks. However, irreversible aggregates, which are unattractive to customer, found with CSJ derived from membrane filtration during storage. This study examined formation aggregates concentration CSJ, The process for goes by 3 stages, polysaccharides...

Journal: :Microelectronics Reliability 2010
S. Maikap A. Prakash W. Banerjee Anirban Das Chao-Sung Lai

0026-2714/$ see front matter Crown Copyright 2 doi:10.1016/j.microrel.2010.02.004 * Corresponding author. Tel.: +886 3 2118800x578 E-mail address: [email protected] (S. Maikap The pH sensors using protein-mediated CdSe/ZnS quantum dots in an electrolyte–insulator–semiconductor (EIS) structure have been investigated. The hydrophobic cylindrical cavity of the chaperonin (GroEL) protein templa...

Journal: :Applied sciences 2023

The present work determined the influence of superhydrophobic nano-SiO2 on hydraulic conductivity and pore size distribution expansive soil, analysed mechanism modification between soil from a microscopic view. Superhydrophobic was added to as modifier. Our samples were two types, i.e., unmodified (without nano-SiO2) modified (with 0.2%, 0.4%, 0.6%, 0.8%, 1.0% by weight parent soil). decreased ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

Journal: :Japanese Journal of Applied Physics 2022

Abstract This study demonstrated a polycrystalline-silicon (poly-Si)-based double-gate (DG) ion-sensitive field-effect transistors (DG-ISFETs) using APTES/SiO2 stack-sensing membrane. The membrane enhanced the single-gate (SG) sensitivity, and suppressed hysteresis. DG structure was preferred to have capacitive coupling effect amplify sensitivity of ISFETs. sensitivities SG- DG-ISFETs were appr...

Journal: :Scientific reports 2016
Jianghu Cui You Liang Desong Yang Yingliang Liu

Bacterial leaf blight of rice caused by Xanthomonas oryzae pv. oryzae (Xoo) is a major disease of rice, leading to reduction in production by 10-50%. In order to control this disease, various chemical bactericides have been used. Wide and prolonged application of chemical bactericides resulted in the resistant strain of Xoo that was isolated from rice. To address this problem, we were searching...

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