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3.206 Aktuelle Fachpublikationen zum Thema temperature

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Gamma radiation induced synthesis of poly(N-isopropylacrylamide) mediated by Reversible Addition–Fragmentation Chain Transfer (RAFT) process

05.04.2015 | Author(s): Feyza Kiraç , Olgun Güven, Radiation Physics and Chemistry, 2015

Publication date: July 2015 Source:Radiation Physics and Chemistry, Volume 112 Author(s): Feyza Kiraç , Olgun Güven Poly(N-isopropylacrylamide) (PNiPAAm) is synthesized by gamma radiation induced Reversible Addition–Fragmentation Chain Transfer (RAFT) polymerization. The monomer is ...

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Stimuli Responsive Carbon Nanocomposite Hydrogels with efficient conducting properties as a precursor to bioelectronics

05.04.2015 | Author(s): Priyanka Dutta , Narendra Nath Dass , Neelotpal Sen Sarma, Reactive and Functional Polymers, 2015

Publication date: Available online 3 April 2015 Source:Reactive and Functional Polymers Author(s): Priyanka Dutta , Narendra Nath Dass , Neelotpal Sen Sarma Stimuli responsive conducting carbon nanocomposite hydrogels were synthesized from Glycerol methacrylate, Ethylene glycol ...

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A novel, rapid and simple acid extraction for multielemental determination in chocolate bars

05.04.2015 | Author(s): Javier E.L. Villa , Catarinie D. Pereira , Solange Cadore, Microchemical Journal, 2015

Publication date: July 2015 Source:Microchemical Journal, Volume 121 Author(s): Javier E.L. Villa , Catarinie D. Pereira , Solange Cadore A novel and simple method based on acid extraction was developed for the determination of Ca, Na, K, P, Mg, Cu, Mn and Zn in chocolate bars by ...

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Metal complexation studies of amylopectin‐g‐poly(N,N‐dimethylacrylamide‐co‐acrylic acid): A biodegradable synthetic graft copolymer

02.04.2015 | Haradhan Kolya, Tridib Tripathy, Polymer International, 2015

Abstract Synthesis of amylopectin‐g‐poly(N,N‐dimethylacrylamide‐co‐acrylic acid) was carried out by solution polymerization technique using potassium persulfate (K2S2O8) as the initiator. The graft copolymer was characterized by measuring molecular weight using size exclusion chromatography ...

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Synthesis, characterization and evaluation of quadripolymer with low molecular weight as water based drilling fluid viscosity reducer at high temperature (245°C)

02.04.2015 | Weian Huang, Cong Zhao, Zhengsong Qiu, Yee‐Kwong Leong, Hanyi Zhong, Jie Cao, Polymer International, 2015

Abstract To construct an ultra‐high temperature stable drilling mud with a relatively low viscosity, a new viscosity‐reducer additive was synthesized and evaluated. This additive is a quadripolymer of acrylic acid (AA), 2‐acry‐lamido‐2‐methyl‐1‐propane sulfonic acid (AMPS), methyl acrylate ...

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Effects of Cholesterol and Saturated Sphingolipids on Acyl Chain Order in 1-Palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine Bilayers—A Comparative Study with Phase-Selective Fluorophores

02.04.2015 | Oskar Engberg; Henrik Nurmi; Thomas K.M. Nyholm; J.Peter Slotte, Langmuir, 2015

Saturated sphingolipids have high acyl chain order. Our aim was to study how palmitoylated sphingomyelin (PSM), ceramide (PCer), glucosyl (GlcPCer)-, and galactosylceramide (GalPCer) were able to order the bulk acyl chains of 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC), in comparison ...

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Chemical Characterization of Unburned Carbon in Coal Fly Ashes by Use of TPD/TPO and LRS Methods

31.03.2015 | Naoto Tsubouchi; Yasuo Ohtsuka; Hiroyuki Hashimoto; Tetsuo Yamada; Harumi Hashimoto, Environmental Science & Technology, 2015

Functional forms of the unburned carbon present in six kinds of coal fly ashes have been examined mainly by the temperature-programmed desorption (TPD)/temperature-programmed oxidation (TPO) and laser Raman spectroscopy (LRS) methods. The carbon contents of the ash samples range from 0.4 to 4.1 ...

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Palladium‐Catalyzed Regioselective Cross‐Dehydrogenative Coupling of Benzofurans with Uracils at Room Temperature

30.03.2015 | Ebrahim Kianmehr, Mehrdad Torabi, Mehran Rezazadeh Khalkhali, Nasser Faghih, Khalid Mohammed Khan, European Journal of Organic Chemistry, 2015

Abstract The Pd‐catalyzed cross‐dehydrogenative coupling (CDC) between two heteroarenes was developed. A variety of benzofuran and uracil derivatives were constructed through C–C bond formation by using CDC reactions. The substrates did not require prefunctionalization, and the products were ...

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Formation and reduction of 5-hydroxymethylfurfural at frying temperature in model system as a function of amino acid and sugar composition

29.03.2015 | Author(s): Parviz Kavousi , Hamed Mirhosseini , Hasanah Ghazali , Abdul Azis Ariffin, Food Chemistry, 2015

Publication date: 1 September 2015 Source:Food Chemistry, Volume 182 Author(s): Parviz Kavousi , Hamed Mirhosseini , Hasanah Ghazali , Abdul Azis Ariffin 5-Hydroxymethylfurfural (HMF) is formed during heat treatment of carbohydrate-containing foods, especially in a deep-fat frying ...

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Effect of water, metallic ions, fatty acid and temperature on oxidative stability of 1-octacosanol from sugarcane rind

29.03.2015 | Author(s): Simin Feng , Zisheng Luo , Fangfang Zeng , Songbai Liu , Zia Ullah Khan, Food Chemistry, 2015

Publication date: 1 September 2015 Source:Food Chemistry, Volume 182 Author(s): Simin Feng , Zisheng Luo , Fangfang Zeng , Songbai Liu , Zia Ullah Khan The chemical composition and selected physical parameters of crude 1-octacosanol (1-OC) extracted from sugarcane rind have been ...

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