About: Diagnostic electron microscopy is still a timely and rewarding method

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Diagnostic electron microscopy is still a timely and rewarding method
Creator	Gelderblom, Hans Biel, Stefan
source	Elsevier; Medline; PMC
abstract	Abstract Background: Parallel to its technical development starting in the 1930s, electron microscopy (EM) became an important tool in basic and clinical virology. First utilized in the rapid diagnosis of smallpox, it developed to a diagnostic routine in the early 1960s using the negative staining technique. EM was applied to infected cell-cultures and also to ‘dirty’ specimens including urine, feces, vesicle fluid, liquor. With the implementation of molecular biological and genetic techniques, the use of diagnostic EM decreased. Objectives: (1) To give a perspective on future indications and possible uses by discussing the past and the present of diagnostic EM, (2) To describe the system of External Quality Assessment on EM virus diagnosis (EQA-EMV) established in 1994 by our laboratory and its achievements. Study design: EQA-EMV is run to evaluate, to confirm and to improve the quality of diagnostic EM. Two different types of specimen are sent out: (1) prepared grids to assess and train the diagnostic skills of the participants, (2) stabilized virus particle suspensions to assess preparation efficiency. Results: Diagnostic EM differs from other diagnostic tests in its rapidity and its undirected ‘open view’. To emphasize these advantages, the indications for diagnostic EM are discussed, fundamental for a continuing future adaptation. Besides appropriate techniques, quality control measures are required to achieve and keep high diagnostic standards. The results from 6 years of EQA-EMV are presented. Conclusions: In the history of diagnostic EM in virology, a change in use has been seen. Starting in the 1990s and coincident with the broad introduction of ‘modern’ diagnostic techniques, the number of EM diagnostic labs has decreased considerably—in spite of the obvious advantages of this technique. To guarantee the continuing performance of diagnostic EM in the future, EQA runs have to be performed as with other techniques in the diagnostic armament. The growing number of participants and participating countries indicates an interest in as well as a need for this program.
has issue date	1999-06-30(xsd:dateTime)
bibo:doi	10.1016/s1386-6532(99)00027-x
bibo:pmid	10405897
has license	els-covid
sha1sum (hex)	cb0a6f6ded1a53b699f8a704fb5155b445e6987c
schema:url	https://doi.org/10.1016/s1386-6532%2899%2900027-x
resource representing a document's title	Diagnostic electron microscopy is still a timely and rewarding method
has PubMed Central identifier	PMC7128371
has PubMed identifier	10405897
schema:publication	Journal of Clinical Virology
resource representing a document's body	covid:cb0a6f6ded1a53b699f8a704fb5155b445e6987c#body_text
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