نتایج جستجو برای: scanning tunneling microscope

تعداد نتایج: 203968  

Journal: :JSME international journal. Ser. C, Dynamics, control, robotics, design and manufacturing 1993

Journal: :Journal of the Japan Society for Precision Engineering 1993

Journal: :Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 1992

Journal: :Journal of the Magnetics Society of Japan 1995

Journal: :Journal of cell science 1994
M Maaloum D Chrétien E Karsenti J K Hörber

We demonstrate that the scanning tunneling microscope can be used to obtain information about arrangement of tubulin subunits in the microtubule wall. Long rows of subunits with a periodicity of 3.8 +/- 0.4 nm were clearly visible in the images of microtubules. The separation between the rows of subunits was 4.8 +/- 0.4 nm. Close inspection of two images revealed another periodicity of 7.8 +/- ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Violeta Iancu Saw-Wai Hla

Single chlorophyll-a molecules, a vital resource for the sustenance of life on Earth, have been investigated by using scanning tunneling microscope manipulation and spectroscopy on a gold substrate at 4.6 K. Chlorophyll-a binds on Au(111) via its porphyrin unit while the phytyl-chain is elevated from the surface by the support of four CH(3) groups. By injecting tunneling electrons from the scan...

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