نتایج جستجو برای: mesoporous material

تعداد نتایج: 373516  

Journal: :Molecules 2017
Xiaojia Li Mingming Zou Yang Wang

Highly crystalline mesoporous anatase TiO₂ nanospheres with high surface area (higher than P25 and anatase TiO₂) are prepared by a soft-template method. Despite the high specific surface area, these samples have three times lower equilibrium adsorption (<2%) than Degussa P25. The rate constant of the mesoporous anatase TiO₂ (0.024 min-1) reported here is 364% higher than that of P25 (0.0066 min...

Journal: :Chemical communications 2011
Songhun Yoon Eunae Kang Jin Kon Kim Chul Wee Lee Jinwoo Lee

An ordered mesoporous WO(3-x) material was employed for use as a supercapacitor electrode. This material exhibited a high rate capability and an excellent capacitance (366 μF cm(-2), 639 F cm(-3)), which were probably attributed to the large ordered mesopores, high electrical conductivity, and high material density.

2015
Sara Frykstrand Johan Forsgren Peng Zhang Maria Strømme Natalia Ferraz

Upsalite® is a mesoporous magnesium carbonate synthesized without using surfactants and therefore highly attractive from environmental and production economy points of view. The material has recently been suggested as drug delivery vehicle and as topical bacteriostatic agent. In order to continue exploring these and other bio-related applications of the material, primary biocompatibility studie...

2016
Mohammad A Wahab Farzana Darain Azharul Karim Jorge N Beltramini

Nanoconfined synthesized crystalline fullerene mesoporous carbon (C60-FMC) with bimodal pore architectures of 4.95 nm and 10-15 nm pore sizes characterized by XRD, TEM, nitrogen adsorption/ desorption isotherm and solid-state NMR, and the material was used for protein immobilization. The solid-state 13C NMR spectrum of C60-FMC along with XRD, BET and TEM confirms the formation of fullerene meso...

Journal: :International Journal of Molecular Sciences 2010

Journal: :Biotechnology and bioengineering 2014
Matthew D Yates Roland D Cusick Ivan Ivanov Bruce E Logan

Mesoporous structures can increase catalytic activity by maximizing the ratio of surface area to volume, but current synthesis techniques utilize expensive polymers and toxic chemicals. A Geobacter sulfurreducens biofilm was used as a sustainable template to form mesoporous Pd structures while eliminating the need for synthetic chemicals. The bulk of the biofilm material was removed by thermal ...

Hamid Reza Pouretedal, Sara Basati

Grinding (solvent-free) method was used as a superior technique to prepare mesoporous photocatalysts of ZnO, ZnS, ZnO / ZnS, CdO, CdS and CdO / CdS-SBA-15. In this technique, the nitrate, acetate and chloride salts of zinc and/or cadmium were grinded with as-synthesized SBA-15 as a mesoporous material. The controllable sulfurationis was used to prepare ZnS, ZnO/ZnS, CdS and CdO/CdS-SBA-15 a...

Journal: :nanochemistry research 2016
negar lashgari alireza badiei ghodsi mohammadi ziarani

the recognition of the biologically and environmentally important ions is of great interest in the field of chemical sensors in recent years. the fluorescent sensors as a powerful optical analytical technique for the detection of low level of various analytes such as anions and metal cations have been progressively developed due to the simplicity, cost effective, and selectivity for monitoring ...

2012
Swapan K. Das Manas K. Bhunia Asim Bhaumik

2D-hexagonal mesoporous iron silicate (HMFeS) has been synthesized hydrothermally in the presence of a mixture of an amphiphilic triblock copolymer, pluronic F127 and 1,2,4-trivinylcyclohexane (TVCH) as swelling agent under acidic aqueous conditions. The direct incorporation of iron(III) into 2D-hexagonal silicate framework can be monitored in a optimized molar ratio of water and hydrochloric a...

Journal: :Chemical communications 2015
Chang Lei Chun Xu Owen Noonan Anand Kumar Meka Long Zhang Amanda Nouwens Chengzhong Yu

A novel mesoporous material modified with both insulin-binding-aptamers and hydrophobic methyl groups is synthesized. With rationally designed pore structures and surface chemistry, this material is applied in sample pre-treatment for ELISA, and enables the quantification (0.25-5 pg ml(-1)) of insulin in serum, 30-fold enhancement of the limit-of-detection compared to the commercial ELISA kit.

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