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Solution-based nanosensors for in-field detection with the naked eye

23-Mar-2015 | Sureyya Paterson; Roberto de la Rica, Analyst, 2015

Nanomaterials are revolutionising analytical applications with low-cost tests that enable detecting a target molecule in a few steps and with the naked eye. With this approach, non-experts can perform analyses on-site and without utilising electronic readers. This is advantageous in point-of-care ...


A simple pincer-type chemosensor for reversible fluorescence turn-on detection of zinc ion at physiological pH range

23-Mar-2015 | Qi Lin; Yi Cai; Qiao Li; Jing Chang; Hong Yao; You-Ming Zhang; Tai-Bao Wei, New Journal of Chemistry, 2015

A new highly selective and sensitive pincer-type chemosensor Y for zinc ion with turn–on fluorescence behavior in physiological pH range solution was developed. Y is based on bi-hydrazone derivatives which contain pyridine as fluorescent groups and hydrazone bond as a recognition site. The ...


Water‐soluble polymeric chemosensor for selective detection of Hg2+ in aqueous solution using rhodamine‐based modified poly(acrylamide–acrylic acid)

23-Mar-2015 | Tong‐Mou Geng, Da‐Yu Wu, Luminescence, 2015

Abstract We report the fabrication of a novel easily available turn‐on fluorescent water‐soluble polymeric chemosensor for Hg2+ ions that was simply prepared by micellar free radical polymerization of a water‐insoluble organic rhodamine‐based Hg2+‐recognizing monomer (GR6GH), with hydrophilic ...


Fabrication of Thermosensitive, Star-Shaped poly (L-Lactide)-block-poly (N-isopropylacrylamide) Copolymers with Porphyrin Core for Photodynamic Therapy

22-Mar-2015 | Author(s): Xiao-Hui Dai , Hua Jin , Mei-Hong Cai , Hao Wang , Zhi-Ping Zhou , Jian-Ming Pan , Xiao-Hong Wang ..., Reactive and Functional Polymers, 2015

Publication date: April 2015 Source:Reactive and Functional Polymers, Volume 89 Author(s): Xiao-Hui Dai , Hua Jin , Mei-Hong Cai , Hao Wang , Zhi-Ping Zhou , Jian-Ming Pan , Xiao-Hong Wang , Yong-Sheng Yan , Dong-Ming Liu , Lin Sun Thermosensitive, star-shaped porphyrin-cored ...


Poly(aniline-co-diphenylamine and 5-aminosalicylic acid) used for the electrocatalytic reduction and determination of m-nitrophenol

22-Mar-2015 | Author(s): Shaolin Mu, Journal of Electroanalytical Chemistry, 2015

Publication date: 15 April 2015 Source:Journal of Electroanalytical Chemistry, Volume 743 Author(s): Shaolin Mu Poly(aniline-co-diphenylamine and 5-aminosalicylic acid), i.e., poly(aniline-co-DPA-and 5-ASA), was electrochemically synthesized in a acidic solution containing aniline, ...


Fabrication of an electrochemical molecularly imprinted polymer triamterene sensor based on multivariate optimization using multi-walled carbon nanotubes

22-Mar-2015 | Author(s): Azizollah Nezhadali , Maliheh Mojarrab, Journal of Electroanalytical Chemistry, 2015

Publication date: 1 May 2015 Source:Journal of Electroanalytical Chemistry, Volume 744 Author(s): Azizollah Nezhadali , Maliheh Mojarrab A novel electrochemical sensor using molecularly imprinted polymer (MIP) technique for the detection of triamterene (Tr) was developed. A computational ...


Dye biosorption from water employing chemically modified calabrian pine cone shell as an effective biosorbent

22-Mar-2015 | Fatih Deniz, Environmental Progress, 2015

The feasibility of base (0.1 M NaOH) treated cone shell of Calabrian pine as an effective and inexpensive biosorbent was examined for removal of C.I. Basic Red 46 as a model azo dye from aqueous solution. Biosorption conditions selected for this study were optimized using Taguchi experimental ...


Thermodynamic mechanism of free heme action on sickle cell hemoglobin polymerization

21-Mar-2015 | Anupam Aich, Weichun Pan, Peter G. Vekilov, AIChE Journal, 2015

Abstract For insights into the mechanisms of heme action on the rate of sickle cell hemoglobin polymerization, we determine the erythrocytic concentration of free heme by employing a novel method based on enzymatic catalysis and luminescence. We find in sickle cell patients 44±10 μM, in sickle ...


Kinetics of Peptide Folding in Lipid Membranes

21-Mar-2015 | Kwang‐Im Oh, Kathryn B. Smith‐Dupont, Beatrice N. Markiewicz, Feng Gai, Peptide Science, 2015

ABSTRACT Despite our extensive understanding of water‐soluble protein folding kinetics, much less is known about the folding dynamics and mechanisms of membrane proteins. However, recent studies have shown that for relatively simple systems, such as peptides that form a transmembrane α‐helix, ...


p‐Si/SnO2/Fe2O3 Core/Shell/Shell Nanowire Photocathodes for Neutral pH Water Splitting

21-Mar-2015 | Alireza Kargar, Sung Joo Kim, Paniz Allameh, Chulmin Choi, Namseok Park, Huisu Jeong, Yusin Pak, Gun Young Jung, Xia ..., Advanced Functional Materials, 2015

Silicon is one of the promising materials for solar water splitting and hydrogen production; however, it suffers from two key factors, including the large external potential required to drive water splitting reactions at its surface and its instability in the electrolyte. In this study, a ...


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