نتایج جستجو برای: nano structured material

تعداد نتایج: 535124  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Alexandra Foucault-Collet Kristy A Gogick Kiley A White Sandrine Villette Agnès Pallier Guillaume Collet Claudine Kieda Tao Li Steven J Geib Nathaniel L Rosi Stéphane Petoud

We have created unique near-infrared (NIR)-emitting nanoscale metal-organic frameworks (nano-MOFs) incorporating a high density of Yb(3+) lanthanide cations and sensitizers derived from phenylene. We establish here that these nano-MOFs can be incorporated into living cells for NIR imaging. Specifically, we introduce bulk and nano-Yb-phenylenevinylenedicarboxylate-3 (nano-Yb-PVDC-3), a unique MO...

Journal: :Nanoscale 2011
Shangbin Yang Xianfeng Wang Bin Ding Jianyong Yu Jingfang Qian Gang Sun

Soap-bubble-like structured polyacrylic acid (PAA) nano-nets that comprise interlinked ultrathin nanowires with diameters of 10-35 nm are controllably prepared by a one-step electro-netting process.

2013
Bhaven Mehta Mona E. Zaghloul

Plasmonics based sensors have been a prominent area of research. Plasmonics based sensors are widely used in bio sensing and many other applications. The basic mechanism in which these sensors operate is that there are metal nano particles that are separated by a very small distance between them. The dimensions of these nano particles is much smaller than the incident light [1]. For sensing pur...

Journal: :Chemical communications 2011
Wenhe Wu Haiyan Hu Fan Li Lihua Wang Jimin Gao Jianxin Lu Chunhai Fan

We designed a single-fluorophore-tagged hairpin-structured nano-beacon probe by using a superquencher, graphene oxide (GO), based on which a new method for the analysis of DNA phosphorylation detection was developed.

2014
Thang Bui Richard Turner

subject to q(f |u) = ∏ i q(fi|u) and ∫ dfiq(fi|u) = 1. It is noted that KL(a||b) is the measurement of information “lost” when using b to approximate a. It was argued in [1] that it is appropriate to use this KL divergence as an approximation measure since we are trying to find a sparse representation u and its relationship with f to approximate p by q. The KL divergence above can be expanded a...

Journal: :Nanoscale 2014
Kasim Ocakoglu Khurram S Joya Ersan Harputlu Anna Tarnowska Daniel T Gryko

Self-assembled supramolecular organization of nano-structured biomimetic light-harvesting modules inside solid-state nano-templates can be exploited to develop excellent light-harvesting materials for artificial photosynthetic devices. We present here a hybrid light-harvesting system mimicking the chlorosomal structures of the natural photosynthetic system using synthetic zinc chlorin units (Zn...

Journal: :Energies 2021

Magnesium is an attractive hydrogen storage candidate due to its high gravimetric and volumetric capacities (7.6 wt.% 110 gH2/l, respectively). Unfortunately, use as a material for hampered by the stability of hydride, dissociation temperature 573–673 K slow reaction kinetics. In order overcome those drawbacks, important advancement toward controlling enthalpy desorption temperatures nano-struc...

2016
Surabhi Mehra Ashok Kumar Shamsher S Kanwar

A variety of nano-carriers, nano-particles, nano-fibers, nano-tubes etc. have displayed greater competence to mimic nanoscale environment for the enzyme as compared to microand macro-environments provided by traditional support carriers that have been commonly employed for enzyme immobilization. The porous structured beads (silica, alginate etc.), membranes and fibers (>100 μm) have some inhere...

Increasing material’s strength is of particular importance. Improving material’s mechanical properties such as strength could reduce the size and weight of the structure. The size and weight of the structure are among the effective parameters in design. Since the past a variety of methods have been developed to increase the strength of metals that are capable of increasing metals’ strength to a...

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