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770 Aktuelle Fachpublikationen zum Thema temperature

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Influence of Attachment Strategy on the Thermal Stability of Hybridized DNA on Gold Surfaces

12.12.2014 | Tyler J. Petty; Caleb E. Wagner; Aric Opdahl, Langmuir, 2014

The thermal stabilities of double-stranded DNA hybrids immobilized on gold surfaces are shown to be significantly affected by the conformation of the hybrid. To analyze this behavior, DNA probes were immobilized using attachment strategies where the nucleotides within the strand had varying ...

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Simple Surface Treatment of Cell-Culture Scaffolds with Ultrafine Bubble Water

12.12.2014 | Hisao Matsuno; Toshiyuki Ohta; Atsuomi Shundo; Yasuo Fukunaga; Keiji Tanaka, Langmuir, 2014

We propose a novel method to treat polymeric scaffold surfaces for cell culture with water containing nanobubbles, called ultrafine bubbles (UFBs), with typical diameters less than 1 μm. A thin film of polystyrene (PS) prepared on a solid substrate was exposed to UFB water for 2 days at room ...

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Mesoscale Elucidation of the Influence of Mixing Sequence in Electrode Processing

12.12.2014 | Zhixiao Liu; Vincent Battaglia; Partha P. Mukherjee, Langmuir, 2014

Mixing sequence during electrode processing affects the internal microstructure and resultant performance of a lithium-ion battery. In order to fundamentally understand the microstructure evolution during electrode processing, a mesoscale model is presented, which investigates the influence of ...

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Monitoring the Internal Structure of Poly(N-vinylcaprolactam) Microgels with Variable Cross-Link Concentration

10.12.2014 | Florian Schneider; Andreea Balaceanu; Artem Feoktystov; Vitaliy Pipich; Yaodong Wu; Jürgen Allgaier; Wim Pyckhout-Hi ..., Langmuir, 2014

The combination of a set of complementary techniques allows us to construct an unprecedented and comprehensive picture of the internal structure, temperature dependent swelling behavior, and the dependence of these properties on the cross-linker concentration of microgel particles based on ...

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Thermal Stabilization of Bicelles by a Bile-Salt-Derived Detergent: A Combined 31P and 2H Nuclear Magnetic Resonance Study

09.12.2014 | Hannah Hazel Morales; Qasim Saleem; Peter M. Macdonald, Langmuir, 2014

The properties of bicelles composed of mixtures of long-chain lipids dimyristoylphosphatidylcholine (DMPC) and dimyristoylphosphatidylglycerol (DMPG), stabilized by zwitterionic bile salt analogue 3-[(3-cholamidopropyl)dimethyl-d6-ammonio]-2-hydroxy-1-propanesulfonate (CHAPSO-d6), deuterated at ...

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Fabrication and Evaluation of Artemisinin-Imprinted Composite Membranes by Developing a Surface Functional Monomer-Directing Prepolymerization System

03.12.2014 | Yilin Wu; Ming Yan; Yongsheng Yan; Xinlin Liu; Minjia Meng; Peng Lv; Jianming Pan; Pengwei Huo; Chunxiang Li, Langmuir, 2014

Inspired by a surface functional monomer-directing prepolymerization system, a straightforward and effective synthesis method was first developed to prepare highly regenerate and perm-selective molecularly imprinted composite membranes of artemisinin (Ars) molecules. Attributing to the formation ...

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Aminosilane/Oleic Acid Vesicles as Model Membranes of Protocells

03.12.2014 | Jean-Paul Douliez; Vanessa Zhendre; Axelle Grélard; Erick J. Dufourc, Langmuir, 2014

Oleic acid vesicles represent good models of membrane protocells that could have existed in prebiotic times. Here, we report the formation, growth polymorphism, and dynamics of oleic acid spherical vesicles (1–10 μm), stable elongated vesicles (>50 μm length; 1–3 μm diameter), and chains of ...

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Revisiting Polymer Surface Diffusion in the Extreme Case of Strong Adsorption

25.11.2014 | Changqian Yu; Steve Granick, Langmuir, 2014

Revisiting polymer surface adsorption with a level of quantification not possible at the time of earlier seminal contributions to this field, we employ fluorescence microscopy to quantify the in-plane diffusion of end-labeled polystyrene adsorbed onto quartz and mica from cyclohexane solution, ...

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Growth of Gold on a Pinwheel TiO∼1.2 Encapsulation Film Prepared on Rhodium Nanocrystallites

24.11.2014 | R. Gubó; L. Óvári; Z. Kónya; A. Berkó, Langmuir, 2014

Rh nanoparticles of 50–100 nm diameter and 20-40 atomic layer thickness with a (111) flat top facet parallel to the support surface were grown on a TiO2(110) surface via physical vapor deposition (PVD) at room temperature (RT) followed by annealing at 1050 K. These nanoparticles were completely ...

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Low-Temperature Roll-to-Roll Atmospheric Atomic Layer Deposition of Al2O3 Thin Films

19.11.2014 | Kamran Ali; Kyung-Hyun Choi, Langmuir, 2014

The Al2O3 thin films deposition through conventional ALD systems is a well-established process. The process under low temperatures has been studied by few research groups. In this paper, we report on the detailed study of low-temperature Al2O3 thin films deposited via a unique in-house built ...

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