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44.238 Aktuelle Fachpublikationen zum Thema temperature

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Ultrasensitive room temperature NH3 sensor based on a graphene–polyaniline hybrid loaded on PET thin film

30.04.2015 | Shouli Bai; Yangbo Zhao; Jianhua Sun; Ye Tian; Ruixian Luo; Dianqing Li; Aifan Chen, Chemical Communication, 2015

This research was motivated by the need to develop a smart ammonia (NH3) sensor based on a flexible polyethylene terephthalate (PET) thin film loaded with a reduced graphene oxide–polyaniline (rGO–PANI hybrid) using in situ chemical oxidative polymerization. The sensor not only exhibited high ...

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Poly(vinylpyrrolidone) stabilized aluminum nanoparticles obtained from the reaction of SiCl4 with LiAlH4

29.04.2015 | Sanyasinaidu Gottapu; Santanu Kumar Padhi; Muralidharan Krishnamurthi; M. Ghanashyam Krishna, New Journal of Chemistry, 2015

Isolation and stabilization of Al nanoparticles has been possible from the room temperature reaction between SiCl4 with LiAlH4 in presence of Poly(vinylpyrrolidone) (PVP) under sonication. The present investigation explained that the Al from LiAlH4 produced Al nanoparticles while SiCl4 was ...

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Mitochondria-targeted fluorescent thermometer monitors intracellular temperature gradient

29.04.2015 | Satoshi Arai; Madoka Suzuki; Sung-Jin Park; Jung Sun Yoo; Lu Wang; Nam-Young Kang; Hyung-Ho Ha; Young-Tae Chang, Chemical Communication, 2015

Intracellular thermometry at the microscopic level is currently a hot topic. Herein we describe a small molecule fluorescent thermometer targeting mitochondria (Mito thermo yellow). Mito thermo yellow successfully demonstrates the ability to monitor the intracellular temperature gradient, ...

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Tunable luminescence and energy transfer properties of a novel Na4Ca4Si6O18:Ce3+, Mn2+ phosphor

29.04.2015 | Dongxu Wei; Ying Sun; Lianzhou Jiang; Shaoxin Hu; Dan Li, New Journal of Chemistry, 2015

A series of color-tunable Na4Ca4Si6O18:Ce3+,Mn2+ phosphors were synthesized via a high-temperature solid-state reaction. The effect of Ce3+ concentration on the emission intensity of Na4Ca4Si6O18:Ce3+ is studied, and the energy transfer from Ce3+ to Mn2+ is observed. The emission spectra of the ...

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Hepatoprotective and Urease Inhibitory Activities of Garlic Conjugated Gold Nanoparticles

29.04.2015 | Muhammad Raza Shah; Mohammad Ateeque; Hamid Ali; Nurul Kabir; Ajmal Khan; Said Nadeem, New Journal of Chemistry, 2015

A robust synthetic method is reported for the synthesis of highly stable, poly disperse and spherical gold nanoparticles conjugated to aqueous garlic extract (G-AuNPs). Ionic solution of gold was mixed and stirred with dilute aqueous garlic extract at room temperature for 4 hours. The G-AuNPs ...

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Correction: Tuning temperature responsive poly(2-alkyl-2-oxazoline)s by supramolecular host–guest interactions

29.04.2015 | Victor R. de la Rosa; Werner M. Nau; Richard Hoogenboom, Organic & Biomolecular Chemistry, 2015

Correction for ‘Tuning temperature responsive poly(2-alkyl-2-oxazoline)s by supramolecular host–guest interactions’ by Victor R. de la Rosa et al., Org. Biomol. Chem., 2015, 13, 3048–3057.

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Green and blue emitting 3D structured Tb: Ce2(WO4)3 and Tb: Ce10W22O81 micromaterials

29.04.2015 | Rik Van Deun; Anna Marta Kaczmarek; Kristof Van Hecke; Isabel Van Driessche; Dorine Ndagsi, Dalton Transactions, 2015

In this paper, various microstructures of Ce2(WO4)3 and Ce10W22O81 were prepared by applying a hydrothermal synthesis, in a ligand-free environment, and in the presence of dioctyl sodium sulfosuccinate (DSS) surfactant, after which the materials were heat treated at a temperature of 900 °C. ...

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Temperature and precipitation projections over Bangladesh and the upstream Ganges, Brahmaputra and Meghna systems.

29.04.2015 | J. Caesar; T. Janes; A. Lindsay; B. Bhaskaran, Journal of Environmental Monitoring, 2015

South Asia is a region of complex atmospheric dynamics and therefore changes resulting from increasing greenhouse gas concentrations, combined with existing vulnerability to extreme weather events such as flooding, could put the region at particular risk from climate change. However, current ...

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Indium-catalyzed oxidative cross-dehydrogenative coupling of chromenes with 1,3-dicarbonyls and aryl rings

29.04.2015 | Fanmei Li; Zhilin Meng; Jing Hua; Wei Li; Hongxiang Lou; Lei Liu, Organic & Biomolecular Chemistry, 2015

An effective indium-catalyzed oxidative cross-dehydrogenative coupling of electronically varied chromenes with 1,3-dicarbonyl compounds and aryl rings has been established. Both the C–H alkylation and arylation proceed smoothly at room temperature to afford diverse α-substituted chromene ...

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Body temperature sensitive micelles for MRI enhancement

29.04.2015 | Xiaolei Zhu; Shizhen Chen; Qing Luo; Chaohui Ye; Maili Liu; Xin Zhou, Chemical Communication, 2015

A novel thermo-sensitive micelle contrast agent and its enhancement of MRI contrast with temperature are reported. The morphology changes sharply near 37 °C, resulting in a significant amplification of the CEST signal. This enables detection of small changes in body temperature.

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