Diamond nanoparticles suppress lateral growth of bacterial colonies

Lišková, P.; Beranová, J.; Ukraintsev, Egor; Fišer, R.; Kofroňová, Olga; Benada, Oldřich; Konopásek, I.; Kromka, Alexander

doi:https://dx.doi.org/10.1016/j.colsurfb.2018.06.057

Number of the records: 1

Diamond nanoparticles suppress lateral growth of bacterial colonies

1.

SYSNO ASEP	0496974
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Diamond nanoparticles suppress lateral growth of bacterial colonies
Author(s)	Lišková, P. (CZ) Beranová, J. (CZ) Ukraintsev, Egor (FZU-D)_{RID, ORCID} Fišer, R. (CZ) Kofroňová, Olga (MBU-M)_{RID, ORCID} Benada, Oldřich (MBU-M)_{ORCID, RID} Konopásek, I. (CZ) Kromka, Alexander (FZU-D)_{RID, ORCID, SAI}
Number of authors	8
Source Title	Colloids and Surfaces B-Biointerfaces. - : Elsevier - ISSN 0927-7765 Roč. 170, Oct (2018), s. 544-552
Number of pages	9 s.
Language	eng - English
Country	NL - Netherlands
Keywords	agar surface ; bacteria ; colony growth ; diamond nanoparticles
Subject RIV	EE - Microbiology, Virology
OECD category	Microbiology
Subject RIV - cooperation	Institute of Microbiology - Analytical Chemistry, Separation
R&D Projects	GA15-01687S GA ČR - Czech Science Foundation (CSF)
	LO1509 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
Institutional support	FZU-D - RVO:68378271 ; MBU-M - RVO:61388971
UT WOS	000445989400064
EID SCOPUS	85049337178
DOI	10.1016/j.colsurfb.2018.06.057
Annotation	Diamond nanoparticles (DNPs) of various types have been recently reported to possess antibacterial properties. Studies have shown a decrease of the colony forming ability on agar plates of the bacteria that had been previously co-incubated with DNPs in the suspension. The effect of DNPs remaining on the surface, alongside growing bacteria, has not been previously investigated. We present the experiments designed to investigate the effect of DNPs on bacterial survival and on the growth of the bacterial colony on a solid media. We employed Escherichia coli and Bacillus subtilis as models of Gram-negative and Gram-positive bacteria, respectively, and Proteus mirabilis as a model of bacterium exhibiting swarming motility on the surfaces. We analyzed the number, area, and weight of bacterial colonies grown on the agar surface covered with DNPs. We did not observe any bactericidal effect of such applied DNPs. We show that DNPs act as the mechanical barrier blocking the lateral colony growth.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2019

Number of the records: 1