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21 results on '"Barton, Vojtech"'

2. Data Transformation for Clustering Utilization for Feature Detection in Mass Spectrometry

Author

Barton, Vojtech, Skutkova, Helena, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Rojas, Ignacio, editor, Valenzuela, Olga, editor, Rojas, Fernando, editor, Herrera, Luis Javier, editor, and Ortuño, Francisco, editor

Published
2022
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3. Resistome in the indoor dust samples from workplaces and households: a pilot study.

Author

Klvanova, Eva, Videnska, Petra, Barton, Vojtech, Bohm, Jan, Splichalova, Petra, Koksova, Viktorie, Urik, Milan, Lanickova, Barbara, Prokes, Roman, Budinska, Eva, Klanova, Jana, and Borilova Linhartova, Petra

Subjects
CHILDREN'S hospitals, MULTIDRUG resistance, DRUG resistance in microorganisms, WOMEN'S hospitals, DRUG resistance in bacteria, SHOTGUN sequencing
Abstract

The antibiotic resistance genes (ARGs) limit the susceptibility of bacteria to antimicrobials, representing a problem of high importance. Current research on the presence of ARGs in microorganisms focuses mainly on humans, livestock, hospitals, or wastewater. However, the spectrum of ARGs in the dust resistome in workplaces and households has gone relatively unexplored. This pilot study aimed to analyze resistome in indoor dust samples from participants' workplaces (a pediatric hospital, a maternity hospital, and a research center) and households and compare two different approaches to the ARGs analysis; high-throughput quantitative PCR (HT-qPCR) and whole metagenome shotgun sequencing (WMGS). In total, 143 ARGs were detected using HT-qPCR, with ARGs associated with the macrolides, lincosamides, and streptogramin B (MLSB) phenotype being the most abundant, followed by MDR (multi-drug resistance) genes, and genes conferring resistance to aminoglycosides. A higher overall relative quantity of ARGs was observed in indoor dust samples from workplaces than from households, with the pediatric hospital being associated with the highest relative quantity of ARGs. WMGS analysis revealed 36 ARGs, of which five were detected by both HT-qPCR and WMGS techniques. Accordingly, the efficacy of the WMGS approach to detect ARGs was lower than that of HT-qPCR. In summary, our pilot data revealed that indoor dust in buildings where people spend most of their time (workplaces, households) can be a significant source of antimicrobial-resistant microorganisms, which may potentially pose a health risk to both humans and animals. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Detection of Highly Variable Genome Fragments in Unmapped Reads of Escherichia coli Genomes

Author

Nykrynova, Marketa, Barton, Vojtech, Bezdicek, Matej, Lengerova, Martina, Skutkova, Helena, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Rojas, Ignacio, editor, Valenzuela, Olga, editor, Rojas, Fernando, editor, Herrera, Luis Javier, editor, and Ortuño, Francisco, editor

Published
2020
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8. Watershed Segmentation for Peak Picking in Mass Spectrometry Data

Author

Bartoň, Vojtěch, Nykrýnová, Markéta, Škutková, Helena, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Rojas, Ignacio, editor, Valenzuela, Olga, editor, Rojas, Fernando, editor, Herrera, Luis Javier, editor, and Ortuño, Francisco, editor

Published
2020
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10. Entropy-Based Detection of Genetic Markers for Bacteria Genotyping

Author

Nykrynova, Marketa, Maderankova, Denisa, Barton, Vojtech, Bezdicek, Matej, Lengerova, Martina, Skutkova, Helena, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Rojas, Ignacio, editor, Valenzuela, Olga, editor, Rojas, Fernando, editor, and Ortuño, Francisco, editor

Published
2019
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11. Clustering of Klebsiella Strains Based on Variability in Sequencing Data

Author

Barton, Vojtech, Nykrynova, Marketa, Bezdicek, Matej, Lengerova, Martina, Skutkova, Helena, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Rojas, Ignacio, editor, Valenzuela, Olga, editor, Rojas, Fernando, editor, and Ortuño, Francisco, editor

Published
2019
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20. Detection of Internal Defects and Failures of Concrete Structures Using Non-Destructive Methods

Author

Šnédar, Jaroslav, Barton, Vojtech, and Cikrle, Petr

Abstract

This paper deals with the issue of detection of internal defects and failures of concrete structures with emphasis on the use of non-destructive methods. All parts of the structure that reduce its service life or bearing capacity can be considered as internal defects and failures. These are, for example, gravel nests, cracks, delamination, caverns etc. Due to the prevalence of concrete structures, the development of this part of diagnostics is very important both for the safety of their users and to reduce the economic costs of their future repairs.

Published
2022
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21. The Expansion of Defects of Solid Fired Bricks due to their Freezing

Author

Barton, Vojtech, Šnédar, Jaroslav, and Cikrle, Petr

Abstract

This article deals with defects in solid fired bricks caused by repeated freezing and defrosting. Defects can be divided into surface (visible) such as cracks or chips of the test element. The second type of defects are those in the internal structure (invisible on the surface). The defects in the internal structure can be the easiest detected by non-destructive methods such as the resonant pulse method or the ultrasonic pulse method. This article deals with the possibility of detecting defects in the internal structure of solid fired bricks and their relation to surface defects. The test elements were repeatedly frozen and defrosted, and after a certain number of cycles, changes in the internal structure were monitored by the resonance method and by the ultrasonic method. The variable for monitoring the failure of the internal structure is the relative dynamic modulus of elasticity (RDM).

Published
2022
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