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显示 1-30 共 57 条结果 关于 "114510" 范围 论文
Hohyun Lee et al.
Carbohydrate polymers, 232, 115771-115771 (2020-01-19)
Nanocellulose can be categorized into cellulose nanofibers (CNFs) and cellulose nanocrystals (CNCs). CNFs and CNCs are oxidized by periodate oxidation to introduce dialdehyde groups, which can act as a crosslinking agent. Polyvinyl alcohol (PVA) is widely used in food packaging
Lin Lin et al.
Nanoscale, 5(2), 588-593 (2012-12-04)
Shell@core-nanostructured TiO(2)@ZnO n-p-n heterojunction nanorods with diameter of 30 nm were successfully fabricated via a hydrothermal method. The photodegradation rate of the TiO(2)@ZnO n-p-n nanorods evaluated by photodegrading methyl orange has been demonstrated to increase three times compared to that
Soon-An Ong et al.
Environmental science and pollution research international, 20(5), 3405-3413 (2012-11-02)
The objective of this study was to examine the effects of adsorbability and number of sulfonate group on solar photocatalytic degradation of mono azo methyl orange (MO) and diazo Reactive Green 19 (RG19) in single and binary dye solutions. The
Min Wang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 74-79 (2013-06-12)
A B-doped BiVO4 photocatalyst was synthesized by citric acid complex method and using H3BO3 as the dopant source, and the photocatalyst was characterized with XPS, XRD, SEM, BET and UV-Vis DRS. The photocatalytic activity was evaluated by the photocatalytic degradation
Jing Guo et al.
Journal of hazardous materials, 243, 265-271 (2012-11-10)
The effect of silica gel on the efficiency enhancement of Zn(0) for the reduction of Cr(VI) and removal of total chromium was investigated in this study. The batch experiment was carried at 4 ≤ pH ≤ 10 with 50 μM
Xueqin Liu et al.
Journal of nanoscience and nanotechnology, 14(6), 4108-4113 (2014-04-18)
Here we reported a facile approach to synthesize Cu2O/Cu composite particles by one-step sono-chemical process. The content of Cu in the Cu2O/Cu composites can be easily controlled by adjusting the synthesis time. Phase, morphology and optical properties of the products
Chih-Lun Cheng et al.
Journal of biomedical science, 22, 103-103 (2015-11-18)
Highly desaturated n-3 polyunsaturated fatty acids (PUFAs), such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are synthesized by desaturases and elongase. They exert hepatoprotective effects to prevent alcoholic fatty liver syndrome or cholestatic liver injury. However, it is unclear
Jie Ma et al.
ACS applied materials & interfaces, 4(11), 5749-5760 (2012-10-16)
An alkali-acitvated method was explored to synthesize activated carbon nanotubes (CNTs-A) with a high specific surface area (SSA), and a large number of mesopores. The resulting CNTs-A were used as an adsorbent material for removal of anionic and cationic dyes
Guangtao Wei et al.
Environmental technology, 33(13-15), 1589-1595 (2012-09-20)
A catalyst consisting of phosphotungstic acid (H3PW12O40) combined with activated clay was prepared by the impregnation method, and an experiment was carried out to evaluate the catalytic activity of the H3PW12O40/activated clay for the degradation of methyl orange (MO) in
Jie Li et al.
Nanotechnology, 24(15), 155603-155603 (2013-03-23)
We report on the synthesis of high-quality microporous/mesoporous BN material via a facile two-step approach. An extremely high surface area of 1687 m(2) g(-1) and a large pore volume of 0.99 cm(3) g(-1) have been observed in the synthesized BN porous whiskers. The formation
Samim Sardar et al.
Scientific reports, 5, 17313-17313 (2015-11-28)
Energy harvesting from solar light employing nanostructured materials offer an economic way to resolve energy and environmental issues. We have developed an efficient light harvesting heterostructure based on poly(diphenylbutadiyne) (PDPB) nanofibers and ZnO nanoparticles (NPs) via a solution phase synthetic
Bin Cai et al.
Nanoscale, 5(5), 1910-1916 (2013-01-29)
Zero bandgap and water soluble sulfonated graphene (SGE) has been introduced into an n-type semiconductor photocatalytic system to fabricate a Ag@AgBr/SGE composite photocatalyst. Due to its unique conduction and valence band dispersion and low Fermi level, SGE serves as an
V Murali et al.
Bioresource technology, 143, 104-111 (2013-06-25)
This study was to investigate the mineralization of wastewater containing methyl orange (MO) in integrated anaerobic-aerobic biofilm reactor with coconut fiber as bio-material. Different aeration periods (3h in phase 1 and 2; 3, 6 and 15 h in phase 3;
Yong Yu et al.
Dalton transactions (Cambridge, England : 2003), 42(4), 885-889 (2012-11-29)
Here we report the use of sulfuric acid as a catalyst for the facile and homogeneous synthesis of core-shell SiO(2)@TiO(2) nanocomposites using simple apparatus, under ambient pressure and temperature. The resultant SiO(2)@TiO(2) exhibits an ideal core-shell structure with uniform nanoscale
E Fok et al.
BioMed research international, 2015, 516318-516318 (2015-02-24)
Corneal limbal stem cell deficiency (LSCD) may be treated using ex vivo limbal epithelial stem cells (LESCs) derived from cadaveric donor tissue. However, continuing challenges exist around tissue availability, inflammation, and transplant rejection. Lipopolysaccharide (LPS) or recombinant human IL-1β stimulated
Taohai Li et al.
Dalton transactions (Cambridge, England : 2003), 43(24), 9061-9069 (2014-05-09)
New photocatalysts (La(3+)-H3PW12O40 and Ce(3+)-H3PW12O40) were prepared, and the degradation activity of these products was evaluated. These photocatalysts were synthesized by the hydrothermal method assisted by PEG-1000 from the reactions of LaCl3 or CeCl3 and phosphotungstic acid. The prepared catalysts
L Pang et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(3), 521-526 (2012-12-04)
Electrochemical oxidation of methyl orange wastewater was studied using Ti/IrO(2)/RuO(2) anode and a self-made Pd/C O(2)-fed cathode in the divided cell with a terylene diaphragm. The result indicated that the appropriate rate of feeding air improved the methyl orange removal
Tuula Selkälä et al.
ACS applied materials & interfaces, 12(24), 27745-27757 (2020-05-27)
In this work, a surface cationized inorganic-organic hybrid foam was produced from porous geopolymer (GP) and cellulose nanocrystals (CNCs). GPs were synthesized from alkali-activated metakaolin using H2O2 as a blowing agent and hexadecyltrimethylammonium bromide (CTAB) as a surfactant. These highly
Davor Ljubas et al.
Journal of environmental management, 161, 83-91 (2015-07-15)
In this study we used TiO2 nanoparticles as semiconductor photocatalysts for the degradation of Methyl Orange (MO) and Congo Red (CR) dyes in an aqueous solution. Since TiO2 particles become photocatalytically active by UV radiation, two sources of UV-A radiation
Ya Yang et al.
Nano letters, 13(2), 803-808 (2013-01-18)
In general, methyl orange (MO) can be degraded by an electrocatalytic oxidation process driven by a power source due to the generation of superoxidative hydroxyl radical on the anode. Here, we report a hybrid energy cell that is used for
Wei Liu et al.
Journal of nanoscience and nanotechnology, 13(1), 657-665 (2013-05-08)
The ZnO2/ZnO photocatalysts with various ZnO2 contents were prepared by one-pot synthesis method using ZnO and H2O2 as raw materials. The photocatalysts were characterized by XRD, UV-vis DRS, SEM, EDS, FT-IR spectra, fluorescence emission spectra, and BET specific area. The
Sabrine S Jensen et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 69, 26-36 (2015-01-13)
For parenteral biopharmaceuticals, subcutaneous diffusion and, in the case of solid implants or suspensions, dissolution may govern the clinical profile of the drug product. Insight into the dissolution and diffusion processes of biopharmaceuticals after parenteral administration is fundamental in the
R Saravanan et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 2235-2244 (2013-03-19)
Degradation of model organic dye and industry effluent was studied using different weight percentages of Ag into ZnO as a catalyst. In this study, the catalysts were prepared by thermal decomposition method, which was employed for the first time in
Jakub Piekart et al.
Soft matter, 11(46), 8992-9008 (2015-09-26)
Transport properties, viz. specific conductivity, dynamic viscosity and apparent diffusion coefficients, were measured as a function of water content in aqueous ionic liquid microemulsions containing 1-butyl-3-methylimidazolium hexafluorophosphate, [BMIM][PF6] and bis(trifluoromethanesulphonyl)imide, [BMIM][Tf2N], stabilized by the nonionic surfactant TX-100, or its mixture
Encapsulation of methyl orange pH-indicator into a sol-gel matrix.
Zaggout FR, et al.
Materials Letters, 59, 2928-2931 (2005)
Michelle A Nguyen et al.
ACS applied materials & interfaces, 7(24), 13238-13250 (2015-05-27)
We report a synthetic approach to form octahedral Cu2O microcrystals with a tunable edge length and demonstrate their use as catalysts for the photodegradation of aromatic organic compounds. In this particular study, the effects of the Cu(2+) and reductant concentrations
V Murali et al.
Water environment research : a research publication of the Water Environment Federation, 85(3), 270-277 (2013-04-16)
Microbial fuel cells (MFCs) represent an emerging technology that focuses on power generation and effluent treatment. This review compiles articles related to MFCs using azo dye as the substrate. The significance of the general components in MFCs and systems of
N O Mchedlov-Petrossyan et al.
Physical chemistry chemical physics : PCCP, 17(24), 16186-16203 (2015-06-03)
This study was aimed to reveal the principal colloidal properties of the aqueous dispersion of extremely small primary single-crystalline diamond particles in water. Together with the non-diamond layer, the size of the colloidal species is 2.8 ± 0.6 nm as
Bing Sun et al.
Journal of environmental sciences (China), 24(5), 840-845 (2012-08-17)
The pulsed high-voltage discharge is a new advanced oxidation technology for water treatment. Methyl Orange (MO) dye wastewater was chosen as the target object. Some investigations were conducted on MO decoloration including the discharge characteristics of the multi-needle reactor, parameter
Gourav Singla et al.
Environmental technology, 35(9-12), 1520-1524 (2014-04-08)
Bi2-xTixO3+x/2 (x = 0.05, 0.10 and 0.15) photocatalysts are prepared by solid-state technique. The band gap of the prepared sample was estimated from the onset of UV-Vis absorption spectra. The photocatalytic activities of as prepared samples are investigated under UV
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