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8,010 Newest Publications about the topic molecular weight

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Remarkable solvent isotope dependence on gelation strength in low molecular weight hydro-gelators

19-Jan-2017 | Tjalling R Canrinus; Florian JR Cerpentier; Ben L Feringa; Wesley Browne, Chemical Communication, 2017

A delicate interplay of anisotropic hydrophobic/hydrophilic, π-π stacking, ionic and hydrogen bond formation interactions determine the strength of hydrogelators and are considered key factors in efforts to design potent small molecule hydrogelators. Here we show that solvent deuteration and ...

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Ultra-filtration of human serum for improved quantitative analysis of low molecular weight biomarkers using ATR-IR spectroscopy

17-Jan-2017 | Franck Bonnier; Hélène Blasco; Clément Wasselet; Guillaume Brachet; Renaud Respaud; Luis Felipe C. S. Carvalho; Domi ..., Analyst, 2017

Infrared spectroscopy is a reliable, rapid and cost effective characterisation technique, delivering a molecular finger print of the sample. It is expected that its sensitivity would enable detection of small chemical variations in biological samples associated with disease. ATR-IR is ...

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Criegee mechanism as a safe pathway of color reduction in sugarcane juice by ozonation

15-Jan-2017 | Author(s): Juliana Aparecida de Souza Sartori, Célio Fernando Figueiredo Angolini, Marcos Nogueira Eberlin, Cl ..., Food Chemistry, 2017

Publication date: 15 June 2017 Source:Food Chemistry, Volume 225 Author(s): Juliana Aparecida de Souza Sartori, Célio Fernando Figueiredo Angolini, Marcos Nogueira Eberlin, Claudio Lima de Aguiar The production of crystal sugar is based on sugarcane juice clarification through ...

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RADIATION SYNTHESIS OF BIOCOMPATIBLE HYDROGELS OF DEXTRAN METHACRYLATE

15-Jan-2017 | Author(s): Kamila Szafulera, Radosław A. Wach, Alicja K. Olejnik, Janusz M. Rosiak, Piotr Ulański, Radiation Physics and Chemistry, 2017

Publication date: Available online 10 January 2017 Source:Radiation Physics and Chemistry Author(s): Kamila Szafulera, Radosław A. Wach, Alicja K. Olejnik, Janusz M. Rosiak, Piotr Ulański The aim of this work was to synthesize biocompatible dextran-based hydrogels through ...

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Chitosan-containing hydrogel wound dressings prepared by radiation technique

15-Jan-2017 | Author(s): W. Mozalewska, R. Czechowska-Biskup, A.K. Olejnik, R.A. Wach, P. Ulański, J.M. Rosiak, Radiation Physics and Chemistry, 2017

Publication date: Available online 10 January 2017 Source:Radiation Physics and Chemistry Author(s): W. Mozalewska, R. Czechowska-Biskup, A.K. Olejnik, R.A. Wach, P. Ulański, J.M. Rosiak The aim of the study was to develop an antimicrobial hydrogel wound dressing by means of ...

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Polyethylenimine‐functionalized multiwalled carbon nanotube for the adsorption of hydrogen sulfide

12-Jan-2017 | Yineng Chu, Donglin Tang, Zhijun Ke, Jie Ma, Ruihai Li, Journal of Applied Polymer Science, 2017

ABSTRACT Functionalized multiwalled carbon nanotubes (MWCNTs) were synthesized with ethane diamine and polyethylenimine (PEI) with molecular weights of 1800 [MWCNT‐PEI weight‐average molecular weight (Mw) = 1800] and 70,000 (MWCNT‐PEI Mw = 70,000), respectively. The structures and properties ...

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Poly(ether urethane)s from Aromatic Diisocyanates Based on Lignin‐Derived Phenolic Acids

12-Jan-2017 | Sachin S. Kuhire, Samadhan S. Nagane, Prakash P. Wadgaonkar, Polymer International, 2017

Abstract A series of new bio‐based aromatic diisocyanates, namely, bis(4‐isocyanato‐2‐methoxyphenoxy)alkanes and bis(4‐isocyanato‐2, 6‐dimethoxyphenoxy)alkane were synthesized starting from lignin‐derived phenolic acids, namely, vanillic acid and syringic acid via the Curtius rearrangement. ...

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Thermal annealing behaviour and gel to crystal transition of a low molecular weight hydrogelator

11-Jan-2017 | Emily C Barker; Adam David Martin; Christopher J. Garvey; Ching Yong Goh; Franca Jones; Mauro Mocerino; Brian W. Ske ..., Soft Matter, 2017

The thermal annealing behaviour of an electrolyte-triggered calixarene hydrogelator is found to depend strongly on the specific metal chloride used. While the lithium chloride gel showed typical gel-sol transitions as a function of temperature, the magnesium chloride gel was found to repeatedly ...

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Flexible all‐aromatic polyesterimide films with high glass transition temperatures

10-Jan-2017 | Qingbao Guan, Ben Norder, Theo J. Dingemans, Journal of Applied Polymer Science, 2017

ABSTRACT A series all‐aromatic poly(esterimide)s with different molar ratios of N‐(3'‐hydroxyphenyl)‐trimellitimide (IM) and 4‐hydroxybenzoic acid (HBA) (IM/HBA = 0.3/0.7 and 0.7/0.3) was prepared with the aim to design flexible high Tg films. Melt‐pressed films, either from high molecular ...

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High molecular weight poly(N-methyl-B-vinylazaborine) – a semi-inorganic B–N polystyrene analogue

10-Jan-2017 | Birk Thiedemann; Philipp J. Gliese; Jonas Hoffmann; Paul G. Lawrence; Frank D. Sönnichsen; Anne Staubitz, Chemical Communication, 2017

We present the synthesis of a B–N analogue of polystyrene, poly(N-methyl-B-vinylazaborine) in high molecular weight (MW = 24.9 kDa). Furthermore, it was possible to prepare a copolymer with the C–C analogue. A thorough comparison between the polymers by NMR spectroscopy, TGA, DSC and GPC showed ...

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