Výsledky vyhledávání - "C. L. Bashford"

Specialized scanning ion‐conductance microscope for imaging of living cells

Autor: M. J. Lab, Elena V. Sviderskaya, Dorothy C. Bennett, I. Vodyanoy, C. L. Bashford, Yuri E. Korchev, M. Milovanovic

Publikováno v: Journal of Microscopy. 188:17-23

A specialized scanning ion conductance microscope (SICM) for imaging living cells has been developed from a conventional patch-clamp apparatus, which uses a glass micropipette as the sensitive probe. In contrast with other types of scanning probe mic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dea6c698327f54fece20f6461be37845
https://doi.org/10.1046/j.1365-2818.1997.2430801.x

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Application of ion beams to synthesis of environmentally responsive track membranes

Autor: Noriyasu Nagaoka, N Reber, Masaharu Asano, C.A. Pasternak, Hideki Omichi, Hitoshi Kubota, V. Ang, Reimar Spohr, Ryoichi Katakai, C. L. Bashford, G.M. Alder, A. Wolf, Masaru Yoshida

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 131:350-356

Heavy ion beams with energy in the order of 10 MeV/n were irradiated onto polyethylene terephthalate (PET) and polydiethyleneglycol-bis-allylcarbonate commercially known as CR-39 for producing organic porous membranes. The condition to obtain cylindr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::700e3583697438a364ad5dbe30a11e89
https://doi.org/10.1016/s0168-583x(97)00152-3

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A novel explanation for fluctuations of ion current through narrow pores

Autor: Charles A. Pasternak, Donald T. Edmonds, K Nandi, C. L. Bashford, Aleksey V. Zima, P Y Apel, A.A. Lev, G. M. Alder, Yuri E. Korchev

Publikováno v: The FASEB Journal. 11:600-608

Fluctuation of ion current, between a high conductance and a low conductance state, through biological ion channels and pores is assumed to arise from conformational changes between an "open" and a "closed" configuration. Here we offer an additional

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3bce21c939e9afa627fc74081b97b65
https://doi.org/10.1096/fasebj.11.7.9212084

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Pore Formation by S. aureus α-toxin in Liposomes and Planar Lipid Bilayers: Effects of Nonelectrolytes

Autor: C. L. Bashford, A. MacKinnon, Charles A. Pasternak, L.G. Fulford, Cecilia Pederzolli, Yuri E. Korchev, E. Kovacs, G. M. Alder

Publikováno v: Journal of Membrane Biology. 150:37-45

Nonelectrolytes such as polyethylene glycols (PEG) and dextrans (i) promote the association of S. aureus alpha-toxin with liposomes (shown by Coomassie staining) and (ii) enhance the rate and extent of calcein leakage from calcein-loaded liposomes; s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7ebeff8bf151cbb59d7c00137b8132d
https://doi.org/10.1007/s002329900028

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Nuclear track-etched filters as model pores for biological membranes

Autor: M. Milovanovich, Donald T. Edmonds, G.M. Alder, P. Yu. Apel, N.I. Zhitariuk, A.A. Lev, C.A. Pasternak, G. Lowe, T.K. Rostovtseva, C. L. Bashford, Yuri E. Korchev, C.W. Pitt

Publikováno v: Radiation Measurements. 25:675-683

Ion current through individual pores in track-etched polyethyleneterephthalate filters can have the following properties which are shared by a number of biological ion channels: 1. 1) selectivity for cations over anions, or vice versa depending on th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ea3aebe72194153d41efac356fa7297
https://doi.org/10.1016/1350-4487(95)00220-9

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Modulation of surface flow by divalent cations and protons

Autor: A.A. Lev, T.K. Rostovtseva, Y. E. Korchev, C. L. Bashford, Charles A. Pasternak

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 77:119-124

The flow of electrolytes and non-electrolytes through narrow pores (about 1 nm radius) in synthetic membranes is reported. The characteristic features of such flow are the following. (i) The electrical conductivity displays fluctuations typical of si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9526aa506c8e16679315393956be780
https://doi.org/10.1016/0927-7757(93)80108-q

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Rapid switching of ion current in narrow pores: implications for biological ion channels

Autor: C. L. Bashford, T.K. Rostovtseva, A.A. Lev, Charles A. Pasternak, Donald T. Edmonds, Y. E. Korchev

Publikováno v: Proceedings of the Royal Society of London. Series B: Biological Sciences. 252:187-192

Ions flowing through purely synthetic filters made of polyethylene terephthalate which have been etched to produce narrow pores show: (i) rapid transitions between a high-conducting and a low-conducting state; (ii) selectivity of ion flow; and (iii)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ce419669fbc7816bc3f9db2ba16635a
https://doi.org/10.1098/rspb.1993.0064

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Divalent cation-sensitive pores formed by natural and synthetic melittin and by Triton X-100

Autor: W.M. Arnold, C. L. Bashford, G. M. Alder, Alex F. Drake, U. Zimmermann, Charles A. Pasternak

Publikováno v: Biochimica et Biophysica Acta (BBA) - Biomembranes. 1061:111-120

Leakage of ions and low-molecular-weight metabolites from Lettre cells is induced by synthetic melittin, as effectively as by melittin isolated from bee venom; in each case leakage is inhibited by Ca 2+ , Zn 2+ or H + . Inhibition of leakage by dival

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32658933438b1f8d2118088f7ebe76ce
https://doi.org/10.1016/0005-2736(91)90275-d

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