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2,920 Newest Publications about the topic solution

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Development and evaluation of a SPR-based immunosensor for detection of anti-Trypanosoma cruzi antibodies in human serum

01-Mar-2015 | Author(s): João G.G. Luz , Dênio E.P. Souto , Girley F. Machado-Assis , Marta de Lana , Lauro T. Kubota , Rita ..., Sensors and Actuators B: Chemical, 2015

Publication date: June 2015 Source:Sensors and Actuators B: Chemical, Volume 212 Author(s): João G.G. Luz , Dênio E.P. Souto , Girley F. Machado-Assis , Marta de Lana , Lauro T. Kubota , Rita C.S. Luz , Flávio S. Damos , Helen R. Martins Protozoan Trypanosoma cruzi is the ...

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Simultaneous electro-catalytic oxidative determination of ascorbic acid and folic acid using Fe3O4 nanoparticles modified carbon paste electrode

01-Mar-2015 | Author(s): Mal Phebe Kingsley , Purvi B. Desai , Ashwini K. Srivastava, Journal of Electroanalytical Chemistry, 2015

Publication date: 15 March 2015 Source:Journal of Electroanalytical Chemistry, Volume 741 Author(s): Mal Phebe Kingsley , Purvi B. Desai , Ashwini K. Srivastava The fabrication of magnetite (Fe3O4) nanoparticles modified carbon paste electrode (Fe3O4-CME) enabled facile electrochemical ...

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Nature of aryl-tyrosine interactions contribute to [small beta]-hairpin scaffold stability: NMR evidence for alternate ring geometry

01-Mar-2015 | Kamlesh Madhusudan Makwana; Radhakrishnan Mahalakshmi, Physical Chemistry Chemical Physics, 2015

The specific contribution of the acidic-aromatic β-sheet favouring amino acid tyrosine to the stability of short octapeptide β-hairpin structures is presented here. Solution NMR analysis in near-apolar environments suggests the energetically favourable mode of interaction to be T-shaped ...

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Temperature-Dependent Infrared and Calorimetric Studies on Arsenicals Adsorption from Solution to Hematite Nanoparticles

27-Feb-2015 | Md Abdus Sabur; Sabine Goldberg; Adrian Gale; Nadine Kabengi; Hind A. Al-Abadleh, Langmuir, 2015

To address the lack of systematic and surface sensitive studies on the adsorption energetics of arsenic compounds on metal (oxyhydr)oxides, we conducted temperature-dependent ATR-FTIR studies for the adsorption of arsenate, monomethylarsonic acid, and dimethylarsinic acid on hematite ...

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Reversible Modification of Structure and Properties of Cellulose Nanofibril-Based Multilayered Thin Films Induced by Postassembly Acid Treatment

27-Feb-2015 | Firas Azzam; Céline Moreau; Fabrice Cousin; Alain Menelle; Hervé Bizot; Bernard Cathala, Langmuir, 2015

A postassembly acid-treatment consisting of an immersion in 5 mM HCl solution was applied to carboxylated cellulose nanofibrils (CNF)–poly(allylamine) hydrochloride (PAH) multilayered thin films. Our results show that the treatment did not affect the overall thickness of the films without any ...

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The peculiar behavior of Picha in the formation of metallacrown complexes with Cu(II), Ni(II) and Zn(II) in aqueous solution

27-Feb-2015 | Luciano Marchiò; Nicola Marchetti; Corrado Atzeri; Valentina Borghesani; Maurizio Remelli; Matteo Tegoni, Dalton Transactions, 2015

The thermodynamic stability of the metallacrown complexes formed by picolinehydroxamic acid (Picha) with Cu(ii), Ni(ii) and Zn(ii) in aqueous solution has been determined by potentiometry, and the speciation models were validated by ESI-MS and UV-visible spectrophotometry. Cu(ii) and Zn(ii) form ...

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Solution structure and DNA binding of the catalytic domain of the large serine resolvase TnpX

26-Feb-2015 | Stephen J. Headey, Andrew Sivakumaran, Vicki Adams, Dena Lyras, Julian I. Rood, Martin J. Scanlon, Matthew C. J. Wilce, Journal of Molecular Recognition, 2015

The transfer of antibiotic resistance between bacteria is mediated by mobile genetic elements such as plasmids and transposons. TnpX is a member of the large serine recombinase subgroup of site‐specific recombinases and is responsible for the excision and insertion of mobile genetic elements ...

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Fluoro‐ and Perfluoralkylsulfonylpentafluoroanilides: Synthesis and Characterization of NH Acids for Weakly Coordinating Anions and Their Gas‐Phase and Solution Acidities

26-Feb-2015 | Julius F. Kögel, Thomas Linder, Fabian G. Schröder, Jörg Sundermeyer, Sascha K. Goll, Daniel Himmel, Ingo Krossing, ..., Chemistry - A European Journal, 2015

Abstract Fluoro‐ and perfluoralkylsulfonyl pentafluoroanilides [HN(C6F5)(SO2X); X=F, CF3, C4F9, C8F17] are a class of imides with two different strongly electron‐withdrawing substituents attached to a nitrogen atom. They are NH acids, the unsymmetrical hybrids of the well‐known symmetrical ...

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Dispersion Interactions between Urea and Nucleobases Contribute to the Destabilization of RNA by Urea in Aqueous Solution

23-Feb-2015 | Koushik Kasavajhala; Swetha Bikkina; Indrajit Patil; Alexander D. MacKerell, Jr.; U. Deva Priyakumar, Journal of Physical Chemistry B, 2015

Urea has long been used to investigate protein folding and, more recently, RNA folding. Studies have proposed that urea denatures RNA by participating in stacking interactions and hydrogen bonds with nucleic acid bases. In this study, the ability of urea to form unconventional stacking ...

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A nonenzymatic amperometric glucose sensor based on three dimensional nanostructure gold electrode

22-Feb-2015 | Author(s): Guang-Xian Zhong , Wen-Xin Zhang , Yi-Ming Sun , Yin-Qiu Wei , Yun Lei , Hua-Ping Peng , Ai-Lin Li ..., Sensors and Actuators B: Chemical, 2015

Publication date: June 2015 Source:Sensors and Actuators B: Chemical, Volume 212 Author(s): Guang-Xian Zhong , Wen-Xin Zhang , Yi-Ming Sun , Yin-Qiu Wei , Yun Lei , Hua-Ping Peng , Ai-Lin Liu , Yuan-Zhong Chen , Xin-Hua Lin A nonenzymatic amperometric glucose sensor was established ...

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