Literature DB >> 12366027

Origin of 1/f(alpha) noise in membrane channel currents.

Z Siwy1, A Fuliński.   

Abstract

The transport characteristics of nanofabricated synthetic pores of similar dimensions to those of biological channels is reported. By comparison of the ion current through single synthetic and biological channels we show that the 1/f(alpha) noise indeed originates from the channel's opening-closing process. Strong evidence has been provided that the latter is related to the underlying motions of channel wall constituents.

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Year:  2002        PMID： 12366027     DOI： 10.1103/PhysRevLett.89.158101

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN： 0031-9007            Impact factor:   9.161


  24 in total

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