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52

nanotimes

News in Brief

Hemleye, Wendy L. Maof, and Ho-kwang Maoa: Nano- probe measurements of materials at megabar pressures, In: PNAS Early Edition, March 19, 2010, 2010, DOI:10.1073/ pnas.1001141107:

http://dx.doi.org/10.1073/pnas.1001141107

Scientists from Karlsruhe Institute of Technology,

Germany, published in Nature Nanotechnology their research results to lipid multilayer gratings

with a biosensing capability. They show that

lyotropic optical diffraction gratings – composed of biofunctional lipid multilayers with controllable heights between ~5 and 100nm – can be fabri- cated by lipid dip-pen nanolithography. Multi- ple materials can be simultaneously written into arbitrary patterns on pre-structured surfaces to generate complex structures and devices, allowing nanostructures to be interfaced by combinations of top-down and bottom-up fabrication methods. The German reserachers also show that fluid and bio- compatible lipid multilayer gratings allow label-free and specific detection of lipid–protein interactions in solution.

Steven Lenhert, Falko Brinkmann, Thomas Laue, Stefan Walheim, Christoph Vannahme, Soenke Klinkhammer, Miao Xu, Sylwia Sekula, Timo Mappes, Thomas Schim- mel, Harald Fuchs: Lipid multilayer gratings, In: Nature Nanotechnology, February 28, 2010, DOI:10.1038/nna- no.2010.17:

http://dx.doi.org/10.1038/nnano.2010.17

Scientists from the University of Maryland, USA,

report a synthetic route to achieving nanoscale he-

terostructures consisting of a metal core and mo- nocrystalline semiconductor shell with substantial

10-03 :: March 2010

lattice mismatches between them, which cannot be obtained by conventional epitaxial techniques. Fur- thermore, the U.S. researchers also demonstrated complex hybrid core-shell structures with azimuthal and radial nanotailoring of structures and composi- tions of the monocrystalline semiconductor shell.

Jiatao Zhang, Yun Tang, Kwan Lee, Min Ouyang: None- pitaxial Growth of Hybrid Core-Shell Nanostructures with Large Lattice Mismatches, In: Science, Vol. 327(2010), No. 5973, March 26, 2010, Pages 1634-1638, DOI:10.1126/ science.1184769:

http://dx.doi.org/10.1126/science.1184769

John A. Rogers, Takao Someya and Yonggang Hu-

ang from University of Tokyo, Japan, University of Illinois at Urbana-Champaign, USA, Northwestern University, USA, published in Science a review of

strategies for fabrication of inorganic and orga- nic electronic materials in microstructured and

nanostructured forms. They describe applications of them in systems ranging from electronic eyeball cameras to deformable light-emitting displays.

John A. Rogers, Takao Someya, Yonggang Huang: Materi- als and Mechanics for Stretchable Electronics, In: Science, Vol. 327(2010), No. 5973, March 26, 2010, Pages 1603- 1607, DOI: 10.1126/science.1182383: http://dx.doi.org/10.1126/science.1182383

Steffen J. Sahl, Marcel Leutenegger, Michael Hil- bert, Stefan W. Hell, and Christian Eggeling from Department of NanoBiophotonics, Max Planck

Institute for Biophysical Chemistry, Germany, describe in PNAS an optical method capable of tracking a single fluorescent molecule with a

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