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Showing 1-30 of 68 results for "225819" within Papers
Rui Gusmão et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(46), 16474-16478 (2015-10-08)
Fluorographane (C1 Hx F1-x+δ )n is a new member of the graphene family that exhibits hydrophobicity and a large band gap that is tunable based on the level of fluorination. Herein, sensing and energy applications of fluorographane are reported. The
Casandra R Cox et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(39), 14057-14061 (2014-09-17)
Direct solar-to-fuels conversion can be achieved by coupling a photovoltaic device with water-splitting catalysts. We demonstrate that a solar-to-fuels efficiency (SFE) > 10% can be achieved with nonprecious, low-cost, and commercially ready materials. We present a systems design of a
Xin Tang et al.
PLoS computational biology, 10(6), e1003631-e1003631 (2014-06-06)
Traction forces exerted by adherent cells on their microenvironment can mediate many critical cellular functions. Accurate quantification of these forces is essential for mechanistic understanding of mechanotransduction. However, most existing methods of quantifying cellular forces are limited to single cells
K Pavić et al.
European journal of medicinal chemistry, 86, 502-514 (2014-09-10)
Novel primaquine semicarbazides 7a-l and ureas 9a-g with modified benzhydryl, trityl, phenyl or hydroxyalkyl substituents were prepared and evaluated for cytostatic and antioxidative activities. Two synthetic approaches for preparation of the title semicarbazides were applied, both having certain advantages. In
Qingtao Meng et al.
Organic & biomolecular chemistry, 13(10), 2918-2926 (2015-01-09)
Chemosensors play important roles in cation and anion recognition in biological, industrial, and environmental processes. Although many efforts have been made to develop artificial fluorescent receptors for Cu(2+) and S(2-), their applications in the detection in bulk solutions are limited.
Xi Wang et al.
Journal of separation science, 38(12), 2167-2173 (2015-04-14)
A facile adsorbent, a nanocomposite of Fe3 O4 and reduced graphene oxide, was fabricated for the selective separation and enrichment of synthetic aromatic azo colorants by magnetic solid-phase dispersion extraction. The nanocomposite was synthesized in a one-step reduction reaction and
Abraham Daniel Arulraj et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 148, 355-361 (2015-04-26)
In this paper, very simple and rapid sensor has been developed for the spectrophotometric determination of pico-molar level of hydrazine using Alizarin red. There was a decrease of optical intensity of the probe in the presence of hydrazine. The LOD
Sajal Shrivastava et al.
Nanoscale, 7(46), 19663-19672 (2015-11-11)
Although real-time label-free fluorescent aptasensors based on nanomaterials are increasingly recognized as a useful strategy for the detection of target biomolecules with high fidelity, the lack of an imaging-based quantitative measurement platform limits their implementation with biological samples. Here we
Tao Peng et al.
Environmental science and pollution research international, 25(18), 17553-17564 (2018-04-18)
Enhanced TiO2 nanorods (TNRs) with partially reduced graphene oxide (RGO) (designated as GT) were prepared for degrading aqueous hazardous pollutants. The degree of RGO oxidation had an important role in affecting the photoelectronic and photocatalytic activities of GT composites. The
Ary R Murad et al.
Polymers, 13(1) (2020-12-31)
Two novel low band gap donor-acceptor (D-A) copolymers, poly[9,10-bis(4-(dodecyloxy)phenyl)-2,6-anthracene-alt-5,5-(4',7'-bis(2-thienyl)-2',1',3'-benzothiadiazole-N-5,6-(3,7-dimethyloctyl)dicarboxylic imide)] (PPADTBTDI-DMO) and poly[9,10-bis(4-(dodecyloxy)phenyl)-2,6-anthracene-alt-5,5-(4',7'-bis(2-thienyl)-2',1',3'-benzothiadiazole-5,6-N-octyl-dicarboxylic imide)] (PPADTBTDI-8) were synthesized in the present work by copolymerising the bis-boronate ester of 9,10-phenylsubstituted anthracene flanked by thienyl groups as electron-donor units with benzothiadiazole dicarboxylic imide
Yu Zhang et al.
Nanoscale, 7(32), 13775-13783 (2015-07-30)
Highly stable monodispersed nano Cu hydrosols were facilely prepared by an aqueous chemical reduction method through selecting copper hydroxide (Cu(OH)2) as the copper precursor, poly(acrylic acid) (PAA) and ethanol amine (EA) as the complexing agents, and hydrazine hydrate as the
Amr A Abdeen et al.
Tissue engineering. Part A, 20(19-20), 2737-2745 (2014-04-08)
The secretion of trophic factors that promote angiogenesis from mesenchymal stem cells (MSCs) is a promising cell-based therapeutic treatment. However, clinical efficacy has proved variable, likely on account of ill-defined cell delivery formulations and the inherent complexity of cellular secretion.
Efficient synthesis of 2-(pyrazol-3-yl) benzimidazoles from 3-arylacylidene-3, 4-dihydroquinoxalin-2 (1H)-ones and hydrazine hydrate via a novel rearrangement.
Mamedov VA, et al.
Tetrahedron Letters, 50(37), 5186-5189 (2009)
Chih-Chia Huang et al.
Nanoscale, 7(29), 12689-12697 (2015-07-08)
Extensive efforts have been devoted to the development of a new biophotonic system using near infrared (NIR) nano-agents for non-invasive cancer diagnosis and therapy. Here, we developed a simple synthesis reaction of ligands, hydrazine, and iron(ii) chloride to fabricate Fe3O4
Chun-Yu Chen et al.
Polymers, 12(9) (2020-09-20)
Electronic textiles (E-textiles) have been an area of intense industrial and academic research for years due to their advanced applications. Thus, the goal of this study was to develop highly conductive silk fibroin electrochromic nanofibers for use in E-textiles. The
Synthesis and antidepressant activities of some 3, 5-diphenyl-2-pyrazolines.
Palaska E, et al.
The Journal of Organic Chemistry, 36(6), 539-543 (2001)
Zhongping Li et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(34), 12079-12084 (2015-07-17)
A azine-linked covalent organic framework, COF-JLU2, was designed and synthesized by condensation of hydrazine hydrate and 1,3,5-triformylphloroglucinol under solvothermal conditions for the first time. The new covalent organic framework material combines permanent micropores, high crystallinity, good thermal and chemical stability
Jie Yu et al.
Theranostics, 5(9), 931-945 (2015-07-15)
The ability to selectively destroy cancer cells while sparing normal tissue is highly desirable during the cancer therapy. Here, magnetic targeted photothermal therapy was demonstrated by the integration of MoS2 (MS) flakes and Fe3O4 (IO) nanoparticles (NPs), where MoS2 converted
Jian Wang et al.
Nanoscale research letters, 10(1), 461-461 (2015-12-03)
Zn-doped NiO two-dimensional grainy films on glass substrates are shown to be an ammonia-sensing material with excellent comprehensive performance, which could real-time detect and monitor ammonia (NH3) in the surrounding environment. The morphology and structure analysis indicated that the as-fabricated
Hong Miao et al.
Nanoscale, 7(45), 19066-19072 (2015-10-31)
Herein, papain-functionalized Cu nanoclusters (CuNCs@Papain) were originally synthesized in aqueous solution together with a quantum yield of 14.3%, and showed obviously red fluorescence at 620 nm. Meanwhile, their corresponding fluorescence mechanism was fully elucidated by fluorescence spectroscopy, HR-TEM, FTIR spectroscopy
Tetsu Yonezawa et al.
Physical chemistry chemical physics : PCCP, 17(48), 32511-32516 (2015-11-26)
Metallic copper fine particles used for electro conductive pastes were prepared by the chemical reduction of cupric oxide microparticles in the presence of gelatin. After reduction, the fine particles were collected by decantation with pH control and washing, followed by
Tisen Xu et al.
Biosensors & bioelectronics, 73, 167-173 (2015-06-13)
A novel sandwich-type electrochemical immunoassay with sensitivity enhancement was developed for quantitative detection of tissue polypeptide antigen (TPA) by coupling with target-induced tyramine signal amplification on prussian blue-gold hybrid nanostructures. The immunosensor was prepared through immobilizing anti-TPA capture antibody on
Peihong Deng et al.
Food chemistry, 180, 156-163 (2015-03-15)
The graphene-polyvinylpyrrolidone composite film modified acetylene black paste electrode (GR-PVP/ABPE) was fabricated and used to determine vanillin. In 0.1M H3PO4 solution, the oxidation peak current of vanillin increased significantly at GR-PVP/ABPE compared with bare ABPE, PVP/ABPE and GR/ABPE. The oxidation
Synthesis of Au, Ag and Au-Ag alloy nanoparticles in aqueous polymer solution.
Pal A, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 302(1), 51-57 (2007)
Wei Feng et al.
Scientific reports, 5, 17422-17422 (2015-12-04)
Photothermal cancer therapy has attracted considerable interest for cancer treatment in recent years, but the effective photothermal agents remain to be explored before this strategy can be applied clinically. In this study, we therefore develop flower-like molybdenum disulfide (MoS2) nanoflakes
Sobhi M Gomha et al.
Chemical biology & drug design, 86(5), 1292-1303 (2015-06-03)
Type 2 diabetes mellitus is a vast growing progressive disease that almost affects one person among every twelve globally. Regardless the availability of wide variety of oral hypoglycemics, only one-third of patients achieves proper glycemic control. With the advantage of
James Townsend et al.
ACS nano, 8(7), 6970-6978 (2014-06-21)
We report the fabrication of flexible chains of ferromagnetic Ni nanoparticles that possess the ability to adapt other than the typically observed rigid (nearly) straight configurations in the absence of an external magnetic field. The dynamic mobility of the ferromagnetic
Rodolfo Cruz-Silva et al.
ACS nano, 8(6), 5959-5967 (2014-05-07)
Graphene oxide (GO) has recently become an attractive building block for fabricating graphene-based functional materials. GO films and fibers have been prepared mainly by vacuum filtration and wet spinning. These materials exhibit relatively high Young's moduli but low toughness and
Pawan Kumar et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 16(7), 1036-1042 (2017-05-27)
Hydrogen is considered to be an ideal energy carrier, which produces only water when combined with oxygen and thus has no detrimental effect on the environment. While the catalytic decomposition of hydrous hydrazine for the production of hydrogen is well
Catherine F Wise et al.
Dalton transactions (Cambridge, England : 2003), 44(32), 14265-14271 (2015-07-22)
We report a nickel complex containing a conjugated bis-dithiocarbazate ligand that is an active catalyst for the reduction of protons into hydrogen gas. Light-driven hydrogen generation is observed from a system containing this molecular nickel catalyst coupled with a fluorescein
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