Special Issue "Nano and Submicro Surface Modifications That Modulate Bacterial Growth"

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: 1 June 2021.

Special Issue Editor

Prof. Dr. Kamil Kaminski
Website
Guest Editor
Jagiellonian University, Faculty of Chemistry, Gronostajowa 2, 30-387 Kraków, Poland
Interests: modified polysaccharides; bioactive polycations; heparin; natural polymers

Special Issue Information

Dear Colleagues,

Heterogeneous surfaces, especially those with pores on the nanometer and submicrometer scale, affect the growth of microorganisms differently compared to homogeneous surfaces made of the same materials. There is a popular belief among scientists that nano surfaces have potential as antibacterial and bacteriostatic materials. Inverse situations where the growth of microorganisms favors rough (nano and submicrometer) surfaces compared to atomically smooth are less common but also observed. This fact shows that our knowledge of this phenomenon is still incomplete and describing it systematically would give us a powerful tool to control the microbes in our surroundings. This is of great importance due to the role of biofilms in bacterial infections and the production of chemicals using microbes (e.g., lactic acid and dextran). In this case, studying less-described phenomena, i.e., growth stimulation, may reveal new information to help understand the broader perspective.

This Special Issue welcomes the submission of original research works, as well as reviews, dealing with the modification of bacterial growth by well-characterized and defined surfaces. Topics should focus on correlating surface topology and the nature of growth modification. Works showing any effects related to pro-growth stimulation and less-common observations in the scientific literature are particularly welcome.

 

Prof. Dr. Kamil Kaminski
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Antibacterial surfaces
  • Probacterial surface
  • Bacterial biofilm
  • Modification of growth
  • Characterization
  • Nano surface
  • Submicron surface

Published Papers (1 paper)

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Research

Open AccessArticle
Growth of Lactic Acid Bacteria on Gold—Influence of Surface Roughness and Chemical Composition
Nanomaterials 2020, 10(12), 2499; https://doi.org/10.3390/nano10122499 - 13 Dec 2020
Abstract
The main focus of this work was to establish a correlation between surface topography and chemistry and surface colonization by lactic acid bacteria. For this reason, we chose gold substrates with different surface architectures (i.e., smooth and nanorough) that were characterized by atomic [...] Read more.
The main focus of this work was to establish a correlation between surface topography and chemistry and surface colonization by lactic acid bacteria. For this reason, we chose gold substrates with different surface architectures (i.e., smooth and nanorough) that were characterized by atomic force microscopy (AFM), electron scanning microscopy (SEM), and X-ray diffractometry (XRD). Moreover, to enhance biocompatibility, we modified gold substrates with polymeric monolayers, namely cationic dextran derivatives with different molar masses. The presence of those layers was confirmed by AFM, infrared spectroscopy (IR), and X-ray photoelectron spectroscopy (XPS). In order to determine the adhesion abilities of non-modified and modified gold surfaces, we tested three lactic acid bacteria (LAB) strains (i.e., Lactobacillus rhamnosus GG, Lactobacillus acidophilus, and Lactobacillus plantarum 299v). We have shown that surface roughness influences the surface colonization of bacteria, and the most significant impact on the growth was observed for the Lactobacillus rhamnosus GG strain. What is more, covering the gold surface with a molecular polymeric film by using the layer-by-layer (LbL) method allows additional changes in the bacterial growth, independently on the used strain. The well-being of the bacteria cells on tested surfaces was confirmed by using selective staining and fluorescence microscopy. Finally, we have determined the bacterial metabolic activity by measuring the amount of produced lactic acid regarding the growth conditions. The obtained results proved that the adhesion of bacteria to the metallic surface depends on the chemistry and topography of the surface, as well as the specific bacteria strain. Full article
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