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Nanomaterial-based Biosensors using Dual Transducing Elements for Solution Phase Detection

03-Mar-2015 | Ning Li; Xiaodi Su; Yi Lu, Analyst, 2015

Biosensors incorporating nanomaterials have demonstrated superior performance compared to their conventional counterparts. Most reported sensors use nanomaterials as a single transducer of signals, while biosensor designs using dual transducing elements have emerged as new approaches to further ...


Remarkable Distinctions in the Heat-induced Phase Transition Processes of Two Poly(2-isopropyl-2-oxazoline)-based Mixed Aqueous Solutions

03-Mar-2015 | Tianjiao LI; Hui Tang; peiyi wu, Soft Matter, 2015

Detailed phase transition processes of poly (2-isopropyl-2-oxazoline) (PIPOZ)/ Poly (N-isopropylacrylamide) (PNIPAM) and PIPOZ/ poly (N-vinylcaprolactam) (PVCL) mixtures in aqueous solution were investigated by DSC, temperature-variable 1H-NMR, optical microscopy and FT-IR spectroscopy ...


A Stable Phosphanyl Phosphaketene and Its Reactivity

02-Mar-2015 | H Grutzmacher; Zhongshu Li; Chengyong Su; Xiaodan Chen; Maike Bergeler; Markus Reiher, Dalton Transactions, 2015

Sodium phospaethynolate, Na(OCP), reacts with the bulky P-chloro-diazaphosphole yielding a phosphanyl phosphaketene, which is stable for weeks under inert atmosphere in the solid state. This compound is best described as tight ion pair with a remarkable long P–P bond distance (2.44 Å). In ...


Electrochemical characterization of some bisphosphoramidates spiked carbon paste electrodes and their applications in DNA sensing

01-Mar-2015 | Author(s): Mohammad Bagher Gholivand , Leila Mohammadi-Behzad , Giti Paimard , Khodayar Gholivand , Ali A. Ebra ..., Journal of Electroanalytical Chemistry, 2015

Publication date: 1 April 2015 Source:Journal of Electroanalytical Chemistry, Volume 742 Author(s): Mohammad Bagher Gholivand , Leila Mohammadi-Behzad , Giti Paimard , Khodayar Gholivand , Ali A. Ebrahimi Valmoozi The cyclic and differential pulse voltammetric no data returned of five ...


Surgical models of Roux-en-Y gastric bypass surgery and sleeve gastrectomy in rats and mice

01-Mar-2015 | Bote G Bruinsma; Korkut Uygun; Martin L Yarmush; Nima Saeidi, Nature Protocols, 2015

Nature Protocols 10, 495 (2015). doi:10.1038/nprot.2015.027 Authors: Bote G Bruinsma, Korkut Uygun, Martin L Yarmush & Nima Saeidi Bariatric surgery is the only definitive solution currently available for the present obesity pandemic. These operations typically involve ...


Synthesis, structure, and properties of a dialumane supported by pyrazolate ligands

01-Mar-2015 | Christopher J. Snyder; Peter Zavalij; Kit Bowen; Hansgeorg Schnöckel; Bryan Eichhorn, Dalton Transactions, 2015

The dialumane [Al2][Na(Ph2pz)3]2 (1) has been prepared by the reaction of Na(Ph2pz) with a metastable solution of AlCl. The structure of 1 contains two hydrotris(pyrazolyl)borate-like Na(Ph2pz)32− moieties that are coordinated to each Al atom of the dialumane in a κ2,κ1-N,N,N fashion and several ...


Photoresponsive Self-Assemblies based on Fatty Acids

01-Mar-2015 | Anne-Laure Fameau; Audrey Arnould; Maren Lehmann; Regine von Klitzing, Chemical Communication, 2015

Photoresponsive surfactant system based on fatty acids has been developed by the introduction in aqueous solution of a photoacid generator (PAG). Self-assembly transitions are triggered by UV irradiation due to a pH change induced by the presence of PAG.


A novel aqueous lithium-oxygen cell based on oxygen-peroxide redox couple

01-Mar-2015 | Masaki Matsui; Ayumi Wada; Yasuaki Matsuda; Yasuo Takeda; Osamu Yamamoto; Nobuyuki Imanishi, Chemical Communication, 2015

The electrochemical process of an aqueous Li-O2 cell is investigated. A Li2O2 is detected as a discharging product of an aqueous Li-O2 cell using a catalyst-free carbon-based electrode. The electrolyte solution saturated with lithium hydroxide prevents the hydrolysis of the Li2O2. Since the ...


Selective, direct detection of acetylcholine in PBS solution, with self-assembled fluorescent nano-particles: experiment and modelling

01-Mar-2015 | Lisa Erieau-Peyrard; Claire Coiffier; Patrice Bordat; Didier Bégué; Sabine Chierici; Sandra Pinet; Isabelle Gosse; I ..., Physical Chemistry Chemical Physics, 2015

We report synthesis, characterisation and molecular modelling of a new fluorescent cyclotriveratrylene probe for acetylcholine in aqueous media, with emission around 430 nm thanks to extended conjugation. The probe discriminates acetylcholine from choline, with respective binding constants 540 ...


Nanometer-sized dynamic entities in an aqueous system

01-Mar-2015 | E. Mamontov; P. Zolnierczuk; M. Ohl, Physical Chemistry Chemical Physics, 2015

Using neutron spin-echo and backscattering spectroscopy, we have found that at low temperatures water molecules in an aqueous solution engage in center-of-mass dynamics that are different from both the main structural relaxations and the well-known localized motions in the transient cages of the ...


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