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Microbial Sampling from Dry Surfaces: Current Challenges and Solutions

  • Sampling of dry surfaces for microorganisms is a main component of microbiological safety and is of critical importance in many fields including epidemiology, astrobiology as well as numerous branches of medical and food manufacturing. Aspects of biofilm formation, analysis and removal in aqueous solutions have been thoroughly discussed in literature. In contrast, microbial communities on air-exposed (dry) surfaces have received significantly less attention. Diverse surface sampling methods have been developed in order to address various surfaces and microbial groups, but they notoriously show poor repeatability, low recovery rates and suffer from lack of mutual consistency. Quantitative sampling for viable microorganisms represents a particular challenge, especially on porous and irregular surfaces. Therefore, it is essential to examine in depth the factors involved in microorganisms’ recovery efficiency and accuracy depending on the sampling technique used. Microbial colonization, retention and community composition on different dry surfaces are very complex and rely on numerous physicochemical and biological factors. This study is devoted to analyze and review the (a) physical phenomena and intermolecular forces relevant for microbiological surface sampling; (b) challenges and problems faced by existing sampling methods for viable microorganisms and (c) current directions of engineering and research aimed at improvement of quality and efficiency of microbiological surface sampling.

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Metadaten
Author:Ilya DigelORCiD, Nuraly Sh. Akimbekov, Aida Kistaubayeva, Azhar A. Zhubanova
DOI:https://doi.org/10.1007/978-981-10-7904-7_19
ISBN:978-981-10-7904-7
Parent Title (English):Biological, Physical and Technical Basics of Cell Engineering
Publisher:Springer
Place of publication:Singapore
Editor:Gerhard Artmann, Aysegül Temiz Artmann, Azhar A. Zhubanova, Ilya Digel
Document Type:Part of a Book
Language:English
Year of Completion:2018
Date of the Publication (Server):2018/04/26
Tag:Dry surfaces; Microbial adhesion; Sampling methods; Surface microorganisms; Swabbing
First Page:421
Last Page:456
Link:https://doi.org/10.1007/978-981-10-7904-7_19
Zugriffsart:campus
Institutes:FH Aachen / Fachbereich Medizintechnik und Technomathematik
FH Aachen / IfB - Institut für Bioengineering
collections:Verlag / Springer