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49.105 Aktuelle Fachpublikationen zum Thema temperature

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Time-resolved laser fluorescence spectroscopy of UO2(CO3)34-

07.10.2015 | E. C. Jung; H. -R. Cho; M. H. Baik; H. Kim; Wansik Cha, Dalton Transactions, 2015

The objective of the present study is to examine the luminescence characteristics of UO2(CO3)34- in detail using time-resolved laser fluorescence spectroscopy. The peak wavelengths and lifetime of UO2(CO3)34- were determined at room temperature using the two excitation laser wavelengths of 266 ...


Surface vs Solution Hybridization: Effects of Salt, Temperature, and Probe Type

07.10.2015 | Wanqiong Qiao; Hao-Chun Chiang; Hui Xie; Rastislav Levicky, Chemical Communication, 2015

Hybridization thermodynamics on solid supports are compared with those in solution for two types of hybridization probe, DNA and uncharged morpholino oligonucleotides of identical sequences. Trends in hybridization affinity are discussed with respect to ionic strength, temperature, and surface ...


Thermoresponsive release of viable microfiltrated Circulating Tumor Cells (CTCs) for precision medicine applications

07.10.2015 | Zheng Ao; Erika Parasido; Siddarth Rawal; Anthony Williams; Richard Schlegel; Stephen Liu; Chris Albanese; Richard J ..., Lab on a Chip, 2015

Stimulus responsive release of Circulating Tumor Cells (CTCs), with high recovery rates from their capture platform, is highly desirable for off-chip analyses. Here, we present a temperature responsive polymer coating method to achieve both release as well as culture of viable CTCs captured from ...


Squaraine based solution processed inverted bulk heterojunction solar cells processed in air

07.10.2015 | P. C. Reshmi Varma; Manoj A. G. Namboothiry, Physical Chemistry Chemical Physics, 2015

Inverted bulk heterojunction solar cells based on low temperature solution processed squaraine (SQ) and [6,6]-phenyl C71 butyric acid methyl-ester (PC71BM) with varying blend ratios were made in air. An optimized bulk heterojunction device of SQ and PC71BM (with a blend ratio of 1 [ ] : [ ] 6) ...


Click with a boronic acid handle: a neighboring group-assisted click reaction that allows ready secondary functionalization

07.10.2015 | Alexander B. Draganov; Ke Wang; Jalisa Holmes; Krishna Damera; Danzhu Wang; Chaofeng Dai; Binghe Wang, Chemical Communication, 2015

The feasibility of a neighboring boronic acid-facilitated facile condensation of an aldehyde is described. This reaction is bio-orthogonal, complete at room temperature within minutes, and suitable for bioconjugation chemistry. The boronic acid group serves the dual purpose of catalyzing the ...


Layered Phosphorus-Like GeP5: a Promising Anode Candidate with High Initial Coulombic Efficiency and Large Capacity for Lithium Ion Batteries

07.10.2015 | Wenwu Li; Huiqiao Li; Zhijuan Lu; Lin GAN; Linbo Ke; Tianyou Zhai; HaoShen Zhou, Energy & Environmental Science, 2015

In this work, we for the first time investigate GeP5 as an anode material for lithium ion batteries (LIB). By a facile high energy mechanical ball milling (HEMM) method, we successfully synthesize pure GeP5 and GeP5/C nanocomposite at ambient temperature and pressure. According to XRD Rietveld ...


Spatial distribution of phases during gradual magnetostructural transitions in copper(II)-nitroxide based molecular magnets

07.10.2015 | Matvey V. Fedin; Sergey L. Veber; Elena G. Bagryanskaya; Galina V. Romanenko; Victor I. Ovcharenko, Dalton Transactions, 2015

Copper(II)-nitroxide based molecular magnets Cu(hfac)2LR exhibit thermally-induced transitions between high- and low-temperature (HT/LT) magnetostructural states. In this work we report the first study on spatial distribution of HT/LT phases during gradual transitions in these compounds. We ...


A soluble cryogenic thermometer with high sensitivity based on excited-state configuration transformations

07.10.2015 | Jianwei Chen; Yishi Wu; Xuedong Wang; Zhenyi Yu; He Tian; Jiannian Yao; Hongbing Fu, Physical Chemistry Chemical Physics, 2015

Cryogenic temperature detection plays an irreplaceable role in exploring nature. Developing high sensitivity, accurate, observable and convenient measurements of cryogenic temperature is not only a challenge but also an opportunity for the thermometer field. The small molecule ...


Exciton–phonon scattering and nonradiative relaxation of excited carriers in hydrothermally synthesized CdTe quantum dots

07.10.2015 | Amardeep M. Jagtap; Jayakrishna Khatei; K. S. R. Koteswara Rao, Physical Chemistry Chemical Physics, 2015

Naturally formed CdTe/CdS core/shell quantum dot (QD) structures in the presence of surface stabilizing agents have been synthesized by a hydrothermal method. Size and temperature dependent photoluminescence (PL) spectra have been investigated to understand the exciton–phonon interaction, and ...


Role of outer surface/inner bulk Brønsted acidic sites in the adsorption of a large basic molecule (simazine) on H-Y zeolite

07.10.2015 | Serena Esposito; Barbara Bonelli; Edoardo Garrone; Filomena Sannino; Michele Pansini; Antonello Marocco, Physical Chemistry Chemical Physics, 2015

The simple means adopted for investigating H-Y zeolite acidity in water is the pH-dependence of the amount adsorbed of a basic molecule under isochoric conditions, a technique capable of yielding, under equilibrium conditions, an estimate of the pKa of involved acidic centres: the behaviour with ...


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