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2.298 Aktuelle Fachpublikationen zum Thema temperature

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Properties of Salted Shrimp Paste (Kapi) from Acetes Vulgaris as Affected by Postmortem Storage Prior to Salting

20.11.2015 | Jaksuma Pongsetkul, Soottawat Benjakul, Punnanee Sumpavapol, Kazufumi Osako, Nandhsha Faithong, Journal of Food Processing and Preservation, 2015

Abstract The impact of postmortem storage time of shrimp (Acetes vulgaris) on the quality of shrimp and the resulting Kapi, or salted shrimp paste, was investigated. When shrimp were stored at room temperature (28–30C) for up to 15 h, total volatile base, trimethylamine contents, ...


Solvent and Temperature Effects on the Platinum‐Catalyzed Oxidative Coupling of 1‐Naphthols

20.11.2015 | Mabuatsela V. Maphoru, Josef Heveling, Sreejarani Kesavan Pillai, European Journal of Organic Chemistry, 2015

Abstract Using H2O2 as the oxidant, 1‐naphthols with electron‐donating groups at the 2‐ and 4‐positions couple oxidatively over a carbon‐supported platinum catalyst to 3,3′‐substituted 1,1′‐binaphthalenylidene‐4,4′‐diones and 4,4′‐substituted 2,2′‐binaphthalenylidene‐1,1′‐diones, respectively. ...


Insight into Al existing form and its role on microstructure and properties of Cr1−xAlxN films

20.11.2015 | Yingying Fu, Hongxuan Li, Li Ji, Xiaohong Liu, Liu Liu, Huidi Zhou, Jianmin Chen, Surface and Interface Analysis, 2015

A series of Cr1−xAlxN (where x denotes the atom fraction of Al in Cr1−xAlxN film) films with different Al contents have been deposited by unbalanced reactive magnetron sputtering technique. The chemical composition, microstructure, surface morphology, cross‐sectional structure, mechanical ...


Substrate Controlled Synthesis of Benzisoxazole and Benzisothiazole Derivatives via PhI(OAc)2-Mediated Oxidation Followed by Intramolecular Oxidative O–N/S–N Bond Formation

20.11.2015 | Devireddy Anand; Om P. S. Patel; Rahul K. Maurya; Ruchir Kant; Prem P. Yadav, The Journal of Organic Chemistry, 2015

A phenyliodine(III) diacetate (PIDA)-mediated, highly efficient and tandem approach for the synthesis of aryldiazenylisoxazolo(isothiazolo)arenes from simple 2-amino-N′-arylbenzohydrazides has been developed. The reaction proceeds via formation of (E)-(2-aminoaryl)(aryldiazenyl)methanone as the ...


Tuning Electron-Conduction and Spin Transport in Magnetic Iron Oxide Nanoparticle Assemblies via Tetrathiafulvalene-Fused Ligands

19.11.2015 | Zhong-Peng Lv; Zhong-Zhi Luan; Hai-Ying Wang; Sheng Liu; Cheng-Hui Li; Di Wu; Jing-Lin Zuo; Shouheng Sun, ACS Nano, 2015

We report a strategy to coat Fe3O4 nanoparticles (NPs) with tetrathiafulvalene-fused carboxylic ligands (TTF-COO−) and to control electron conduction and magnetoresistance (MR) within the NP assemblies. The TTF-COO-Fe3O4 NPs were prepared by replacing oleylamine (OA) from OA-coated 5.7 nm Fe3O4 ...


Kafirin Nanoparticle-Stabilized Pickering Emulsions as Oral Delivery Vehicles: Physicochemical Stability and in Vitro Digestion Profile

19.11.2015 | Jie Xiao; Chao Li; Qingrong Huang, Journal of Agricultural and Food Chemistry, 2015

Kafirin nanoparticle-stabilized Pickering emulsions (KPEs) were used to encapsulate curcumin. The stability of KPEs under processing conditions and their protective effects against photo-oxidation of curcumin and lipid oxidation of oil in emulsions, as well as the digestion profiles in ...


X-ray diffraction and high-resolution TEM observations of biopolymer nanoskin-covered metallic copper fine particles. Preparative conditions and surface oxidation states

18.11.2015 | Tetsu Yonezawa; Yoshiki Uchida; Hiroki Tsukamoto, Physical Chemistry Chemical Physics, 2015

Metallic copper fine particles used for electro conductive pastes were prepared by the chemical reduction of cupric oxide microparticles in the presence of gelatin. After the reduction, the fine particles were collected by decantation with pH control and washing, followed by drying at a moderate ...


CD/MCD/VTVH-MCD Studies of Escherichia coli Bacterioferritin Support a Binuclear Iron Cofactor Site

18.11.2015 | Yeonju Kwak; Jennifer K. Schwartz; Victor W. Huang; Emily Boice; Donald M. Kurtz, Jr.; Edward I. Solomon, Biochemistry, 2015

Ferritins and bacterioferritins (Bfrs) utilize a binuclear non-heme iron binding site to catalyze oxidation of Fe(II), leading to formation of an iron mineral core within a protein shell. Unlike ferritins, in which the diiron site binds Fe(II) as a substrate, which then autoxidizes and migrates ...


Fighting Fenton Chemistry: A Highly Active Iron(III) Tetracarbene Complex in Epoxidation Catalysis

17.11.2015 | Jens W. Kück, Markus R. Anneser, Benjamin Hofmann, Alexander Pöthig, Mirza Cokoja, Fritz E. Kühn, ChemSusChem, 2015

Abstract Organometallic Fe complexes with exceptionally high activities in homogeneous epoxidation catalysis are reported. The compounds display FeII and FeIII oxidation states and bear a tetracarbene ligand. The more active catalyst exhibits activities up to 183 000 turnovers per hour at room ...


Oxidation of Ammonia by Ilmenite under Conditions Relevant to Chemical-Looping Combustion

17.11.2015 | Mao Cheng; Fredrik Normann; Dongmei Zhao; Zhenshan Li; Ningsheng Cai; Henrik Leion, Energy & Fuels, 2015

The oxidation of ammonia to NOx and N2 was investigated under conditions that pertain to the fuel reactor during the chemical-lopping combustion of coal with ilmenite. The catalytic decomposition of NH3, the oxidation of NH3 over ilmenite, and the reduction of NO by reduced ilmenite and NH3 were ...


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