Scanning tunnelling microscopy of tobacco mosaic virus on evaporated and sputter‐coated palladium/gold substrates

J. G. Mantovani; D. P. Allison; R. J. Warmack; T. L. Ferrell; J. R. Ford; R. E. Manos; J. R. Thompson; B. B. Reddick; K. Bruce Jacobson

doi:10.1111/j.1365-2818.1990.tb02982.x

Scanning tunnelling microscopy of tobacco mosaic virus on evaporated and sputter‐coated palladium/gold substrates

J. G. Mantovani, D. P. Allison, R. J. Warmack, T. L. Ferrell, J. R. Ford, R. E. Manos, J. R. Thompson, B. B. Reddick, K. Bruce Jacobson

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Abstract

We present scanning tunnelling microscope (STM) images of untreated tobacco mosaic virus (TMV) deposited on thermally evaporated and on sputter‐coated palladium/gold 40:60 (Pd/Au) substrates, and imaged under ordinary atmospheric conditions. The TMV imaged on both evaporated and sputter‐coated substrates was consistently several times wider than the known diameter of the virus. TMV on evaporated Pd/Au became overcoated with Pd/Au material during sample preparation and appeared elevated in STM images, whereas TMV on sputter‐coated Pd/Au appeared as depressions. When naked TMV were intentionally overcoated with Pd/Au, the STM images were found to be similar to those for TMV on evaporated Pd/Au. 1990 Blackwell Science Ltd

Original language	English (US)
Pages (from-to)	109-116
Number of pages	8
Journal	Journal of Microscopy
Volume	158
Issue number	1
DOIs	https://doi.org/10.1111/j.1365-2818.1990.tb02982.x
State	Published - Apr 1990
Externally published	Yes

Keywords

Scanning tunnelling microscope
evaporated substrate
palladium/gold
sputter‐coated substrate
tobacco mosaic virus

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10.1111/j.1365-2818.1990.tb02982.x

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title = "Scanning tunnelling microscopy of tobacco mosaic virus on evaporated and sputter‐coated palladium/gold substrates",

abstract = "We present scanning tunnelling microscope (STM) images of untreated tobacco mosaic virus (TMV) deposited on thermally evaporated and on sputter‐coated palladium/gold 40:60 (Pd/Au) substrates, and imaged under ordinary atmospheric conditions. The TMV imaged on both evaporated and sputter‐coated substrates was consistently several times wider than the known diameter of the virus. TMV on evaporated Pd/Au became overcoated with Pd/Au material during sample preparation and appeared elevated in STM images, whereas TMV on sputter‐coated Pd/Au appeared as depressions. When naked TMV were intentionally overcoated with Pd/Au, the STM images were found to be similar to those for TMV on evaporated Pd/Au. 1990 Blackwell Science Ltd",

keywords = "Scanning tunnelling microscope, evaporated substrate, palladium/gold, sputter‐coated substrate, tobacco mosaic virus",

author = "Mantovani, {J. G.} and Allison, {D. P.} and Warmack, {R. J.} and Ferrell, {T. L.} and Ford, {J. R.} and Manos, {R. E.} and Thompson, {J. R.} and Reddick, {B. B.} and Jacobson, {K. Bruce}",

year = "1990",

month = apr,

doi = "10.1111/j.1365-2818.1990.tb02982.x",

language = "English (US)",

volume = "158",

pages = "109--116",

journal = "Journal of Microscopy",

issn = "0022-2720",

publisher = "Wiley-Blackwell",

number = "1",

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TY - JOUR

T1 - Scanning tunnelling microscopy of tobacco mosaic virus on evaporated and sputter‐coated palladium/gold substrates

AU - Mantovani, J. G.

AU - Allison, D. P.

AU - Warmack, R. J.

AU - Ferrell, T. L.

AU - Ford, J. R.

AU - Manos, R. E.

AU - Thompson, J. R.

AU - Reddick, B. B.

AU - Jacobson, K. Bruce

PY - 1990/4

Y1 - 1990/4

N2 - We present scanning tunnelling microscope (STM) images of untreated tobacco mosaic virus (TMV) deposited on thermally evaporated and on sputter‐coated palladium/gold 40:60 (Pd/Au) substrates, and imaged under ordinary atmospheric conditions. The TMV imaged on both evaporated and sputter‐coated substrates was consistently several times wider than the known diameter of the virus. TMV on evaporated Pd/Au became overcoated with Pd/Au material during sample preparation and appeared elevated in STM images, whereas TMV on sputter‐coated Pd/Au appeared as depressions. When naked TMV were intentionally overcoated with Pd/Au, the STM images were found to be similar to those for TMV on evaporated Pd/Au. 1990 Blackwell Science Ltd

AB - We present scanning tunnelling microscope (STM) images of untreated tobacco mosaic virus (TMV) deposited on thermally evaporated and on sputter‐coated palladium/gold 40:60 (Pd/Au) substrates, and imaged under ordinary atmospheric conditions. The TMV imaged on both evaporated and sputter‐coated substrates was consistently several times wider than the known diameter of the virus. TMV on evaporated Pd/Au became overcoated with Pd/Au material during sample preparation and appeared elevated in STM images, whereas TMV on sputter‐coated Pd/Au appeared as depressions. When naked TMV were intentionally overcoated with Pd/Au, the STM images were found to be similar to those for TMV on evaporated Pd/Au. 1990 Blackwell Science Ltd

KW - Scanning tunnelling microscope

KW - evaporated substrate

KW - palladium/gold

KW - sputter‐coated substrate

KW - tobacco mosaic virus

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DO - 10.1111/j.1365-2818.1990.tb02982.x

M3 - Article

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SN - 0022-2720

VL - 158

SP - 109

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JO - Journal of Microscopy

JF - Journal of Microscopy

IS - 1

ER -

Scanning tunnelling microscopy of tobacco mosaic virus on evaporated and sputter‐coated palladium/gold substrates

Abstract

Keywords

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