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Sensors, Vol. 14, Pages 23269-23282: Development of a Molecularly Imprinted Polymer-Based Sensor for the Electrochemical Determination of Triacetone Triperoxide (TATP)

05-12-2014 | Mamo, Samuel Kassahun; Gonzalez-Rodriguez, Jose, Sensors, 2014

The explosive triacetone triperoxide (TATP), which can be prepared from commercially readily available reagents following an easy synthetic procedure, is one of the most common components of improvised explosive devices (IEDs). Molecularly-imprinted polymer (MIP) electrochemical sensors have ...


Engineering Nanostructures by Binding Single Molecules to Single-Walled Carbon Nanotubes

05-12-2014 | J. Joseph Sharkey; Samuel D. Stranks; Jian Huang; Jack A. Alexander-Webber; Robin J. Nicholas, ACS Nano, 2014

Organic and hybrid organic–inorganic systems are promising candidates for low cost photovoltaics. Recently, perovskite-based systems have been attracting a large amount of research attention, where the highest performing devices employ a small molecule ...


EDTA Assisted Highly Selective Detection of As3+ on Au Nanoparticle Modified Glassy Carbon Electrodes: Facile in Situ Electrochemical Characterization of Au Nanoparticles

03-12-2014 | Hsiao-Hua Chen; Jing-Fang Huang, Analytical Chemistry, 2014

A facile electrochemical characterization technique of Au nanoparticles (AuNPs) developed by Wang et al. (Wang, Y.; Laborda, E.; Salter, C.; Crossley, A.; Compton, R. G. Analyst 2012, 137, 4693−4697) was used to track the variation in the particle size and density of AuNPs in situ and to assist ...


Large-Area, Low-Voltage, Antiambipolar Heterojunctions from Solution-Processed Semiconductors

03-12-2014 | Deep Jariwala; Vinod K. Sangwan; Jung-Woo Ted Seo; Weichao Xu; Jeremy Smith; Chris H. Kim; Lincoln J. Lauhon; Tobin ..., Nano Letters, 2014

The emergence of semiconducting materials with inert or dangling bond-free surfaces has created opportunities to form van der Waals heterostructures without the constraints of traditional epitaxial growth. For example, layered two-dimensional (2D) semiconductors have been incorporated into ...


Synthesis of a ZrO2/carbon aerogel composite with tetragonal ZrO2 structures assisted by the formation of phenol formaldehyde resin

02-12-2014 | Yi-Feng Lin; Fang-Ling Liang, CrystEngComm, 2014

In this study, monoclinic ZrO2 nanoparticles were successfully prepared using a hydrothermal process. When phenol was added to the resulting solution for the hydrothermal reaction, ZrO2/phenol formaldehyde (PF) resins with tetragonal ZrO2 crystalline phases were synthesized. Tetragonal ZrO2 ...


Superior Lithium‐Ion Storage Properties of Si‐Based Composite Powders with Unique Si@Carbon@Void@Graphene Configuration

28-11-2014 | Seung Ho Choi, Dae Soo Jung, Jang Wook Choi, Yun Chan Kang, Chemistry - A European Journal, 2014

Abstract Composite powders of the configuration Si@carbon@void@graphene were prepared by a one‐step spray pyrolysis process, by adding polyvinylpyrrolidone (PVP) to a precursor solution containing graphene oxide (GO) sheets and silicon nanoparticles (NPs). Morphological analysis indicates that ...


Modifying the carbon fiber–epoxy matrix interphase with graphite nanoplatelets

28-11-2014 | Wenzhen Qin, Frederic Vautard, Lawrence T. Drzal, Junrong Yu, Polymer Composites, 2014

In this study, a novel method consisting of coating carbon fibers (CF) with graphite nanoplatelets (GnP) is investigated for its ability to modify the mechanical properties in the interphase region. Coating the CF was achieved by immersing CF in a solution of GnP dispersed in an epoxy‐based ...


Reactive extraction of amino acids mixture in hydrolysate from cottonseed meal with di(2‐ethylhexyl) phosphoric acid

27-11-2014 | Jian Zhang, Shunxi Zhang, Xinni Yang, Lin Qiu, Bing Gao, Rui Li, Jiwang Chen, Journal of Chemical Technology & Biotechnology, 2014

Abstract Background In recent years there has been a noticeable growth of amino acid utilization throughout the world. How to separate and purify amino acids from fermentation broths or protein hydrolysates in an effective and low cost way is increasingly becoming an urgent problem. ...


Synthesis of N‐[4‐(dimethylalkylammoniomethyl) benzoyl]caprolactam chlorides as cationic bleach activators for low‐temperature bleaching of cotton fabric under near‐neutral pH conditions

27-11-2014 | Dong Wei, Chang Sun, Mengze Wang, Jinmei Du, Changhai Xu, Coloration Technology, 2014

Low‐temperature bleaching of cotton fabric can be achieved by incorporating a so‐called bleach activator into an aqueous solution of hydrogen peroxide. In this study, a series of N‐[4‐(dimethylalkylammoniomethyl)benzoyl]caprolactam chlorides were synthesised for use as cationic bleach activators ...


Electrochemical cathodic treatment: A non‐destructive way to hydrogenate conductive ultrananocrystalline diamond films

25-11-2014 | Ying Xiong, Bing Wang, Li Dai, Wenyuan Hu, physica status solidi (a), 2014

The excellent conductivity of nitrogen‐doped ultrananocrystalline diamond (UNCD) films mainly originates from sp2‐bonded carbon located in the grain boundaries. But conventional hydrogen plasma treatment to achieve surface hydrogenation would preferentially etch sp2‐bonded carbon and ...


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