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József Márton Pucsok(József Márton Pucsok ),Andrea Lentene Puskas(Andrea Lentene Puskas ),Katalin Varga(Katalin Varga ),Gabriella Perenyi(Gabriella Perenyi ),Eva Bacsne Baba(Eva Bacsne Baba ),Laszlo B 사피엔시아 2018 Exercise Medicine Vol.2 No.-
Objectives: The primary purpose of our review was to systematically review the evolution of psycho-physiological performance analysis. Our secondary aim was to investigate the role of specific, multi-disciplinary performance indicators to identify future talents in the sport of soccer, handball and basketball. Methods: A review protocol was set up in order to avoid individual bias and ensure an efficient searching prodedure. This enabled a search strategy to define which literature was to be included or excluded from our research. Certain inclusion criteria were identified, before performing a search using three electronic databases (Web of Science, ScienceDirect, and Google Scholar) and reference lists for English-language articles, published from the year 1980 till 2017. Results: The comprehensive search yielded 82 documents to be relevant to our purpose of the study, according to our inclusion criteria criteria, 58 were fully-reviewed and referred to in our study. As we previously expected, the review of related literature resulted investigations involving mostly soccer and basketball players, studies conducted on handball players are significantly fewer. The majority of those studies examined physical performance characteristics via various field test. Conclusions: We concluded that further analysis is necessary to identify relevant psycho-physiological performance indicators, in order to properly enhance sports performance in the younger athlete population and in general too. Vienna Test System protocols may offer a great potential to provide valuable information for athletes and their coaches to enhance athletic performance. Future research should focus on specifically identify Vienna Test System test protocols that may be linked to each particular sport.
Franklin J. Méndez,Roylena Vargas,Joel Blanco,Yahsé Rojas-Challa,Ernesto Bastardo-González,Jorge A. García-Macedo,Esneyder Puello-Polo,Joaquín L. Brito 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.95 No.-
Ti modified MCM-41-supported NiMo and CoMo catalysts and their respective Ti free reference catalystswere prepared, characterized, and tested for the hydrodesulfurization reactions. The samples weresynthesized by well-known procedures, such as liquid crystal templating and successive impregnationmethod for the supports and catalysts, respectively. Ti precursor was directly incorporated into themicellar solution before adding the silica precursor at different molar Si/Ti ratios (x = 75 and 50). Fouriertransform infrared spectroscopy, solid-state 29Si-nuclear magnetic resonance, small- and wide-angle Xraydiffraction, and nitrogen physisorption were used as characterization techniques. Four sulfidedcatalysts were also characterized by high-resolution transmission electron microscopy. The catalystsshowed important increases in the reaction rates during both thiophene and dibenzothiophenehydrodesulfurization when the support was structurally modified with Ti-atoms. The samples supportedon Ti-MCM-41(75) presented a higher activity than those supported on Ti-MCM-41(50), and they weresuperior to their respective Si-MCM-41-supported NiMoS and CoMoS catalysts, even NiMoTiM75 andCoMoTiM75 catalysts presented better performance compared to the conventional NiMo/Al2O3 andCoMo/Al2O3 catalysts in the DBT hydrodesulfurization. Ti incorporation also enhanced the selectivities tothe hydrogenated products, which could be beneficial to destabilize refractory S-containing molecules.
( C. J. Gonzalez-perez ),( I. Vargas-arispuro ),( E. Aispuro-hernandez ),( C. L. Aguilar-gil ),( Y. E. Aguirre-guzman ),( A. Castillo ),( A. Hernandez-mendoza ),( J. F. Ayala-zavala ),( M. A. Martinez 한국미생물생명공학회(구 한국산업미생물학회) 2019 한국미생물·생명공학회지 Vol.47 No.2
The consumption of fresh vegetables has been related to recurrent outbreaks of foodborne diseases (FBD) worldwide. Therefore, the development of effective alternative technologies is necessary to improve the safety of these products. This study aimed to isolate and identify epiphytic lactic acid bacteria (LAB) from fresh fruits and leafy vegetables and characterize their antagonistic capacity due to their ability to produce bacteriocins or antibacterial compounds. For this, 92 LAB isolates from fruits and leafy vegetables were screened for antagonistic activity. Two strains with the highest and broadest antagonistic activities were selected for further characterization; one from cantaloupe melon (strain CM175) and one from cilantro leaves (strain C15). The cell-free supernatants (CFS) of CM175 and C15 were found to exhibit antagonistic activity against FBD-causing pathogens. The CM175 and C15 strains were identified as Pediococcus pentosaceus and Lactobacillus graminis, respectively. Notably, the P. pentosaceus CM175 CFS stopped the growth of Salmonella Typhimurium, Salmonella Saintpaul, Staphylococcus aureus, and Listeria monocytogenes, and delayed Escherichia coli O157:H7 growth. Moreover, L. graminis C15 CFS delayed the growth of all indicator pathogens, but did not completely stop it. Organic acids and bacteriocin-like molecules were determined to be possibly exerting the observed antagonistic activity of the identified LAB strains. Thus, application of the antagonistic compounds produced by Pediococcus pentosaceus and Lactobacillus graminis could be a novel and ecological strategy in developing antimicrobial biopreservatives for the food industry and mitigating FBD by reducing the biological contamination in fruit and vegetable orchards, mainly via their potential in controlling both gram-negative and gram-positive pathogenic bacteria.
C.J. González-Pérez1,I. Vargas-Arispuro,E. Aispuro-Hernández,C.L. Aguilar-Gil,Y.E. Aguirre-Guzmán,A. Castillo,A. Hernández-Mendoza,J.F. Ayala-Zavala,M.A. Martínez-Téllez1 한국미생물·생명공학회 2019 한국미생물·생명공학회지 Vol.47 No.2
The consumption of fresh vegetables has been related to recurrent outbreaks of foodborne diseases (FBD) worldwide. Therefore, the development of effective alternative technologies is necessary to improve the safety of these products. This study aimed to isolate and identify epiphytic lactic acid bacteria (LAB) from fresh fruits and leafy vegetables and characterize their antagonistic capacity due to their ability to produce bacteriocins or antibacterial compounds. For this, 92 LAB isolates from fruits and leafy vegetables were screened for antagonistic activity. Two strains with the highest and broadest antagonistic activities were selected for further characterization; one from cantaloupe melon (strain CM175) and one from cilantro leaves (strain C15). The cell-free supernatants (CFS) of CM175 and C15 were found to exhibit antagonistic activity against FBD-causing pathogens. The CM175 and C15 strains were identified as Pediococcus pentosaceus and Lactobacillus graminis, respectively. Notably, the P. pentosaceus CM175 CFS stopped the growth of Salmonella Typhimurium, Salmonella Saintpaul, Staphylococcus aureus, and Listeria monocytogenes, and delayed Escherichia coli O157:H7 growth. Moreover, L. graminis C15 CFS delayed the growth of all indicator pathogens, but did not completely stop it. Organic acids and bacteriocin-like molecules were determined to be possibly exerting the observed antagonistic activity of the identified LAB strains. Thus, application of the antagonistic compounds produced by Pediococcus pentosaceus and Lactobacillus graminis could be a novel and ecological strategy in developing antimicrobial biopreservatives for the food industry and mitigating FBD by reducing the biological contamination in fruit and vegetable orchards, mainly via their potential in controlling both gram-negative and gram-positive pathogenic bacteria.
GMR Effect in Co-Cu Microwires
V. Zhukova,J. J. del Val,M. Ilyn,M. Ipatov,R. Varga,C. Garcia,A. Zhukov 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
We studied magnetic properties and GMR effect of Cox − Cu100−x (10 ≤ x30 at%) microwires. We observed considerable magnetoresistance (MR), ΔR/R, in Co-Cu glass coated microwires withx = 10-30%. For low x content (x = 10), ΔR/R we observed negative MR, tending to saturate inhigh magnetic fields, H. On the other hand, for the samples x = 30 ΔR/R(H) dependences showednon-monotonic behavior, exhibiting R/R increase with H at low H-values (up to 5 kOe) and alsoconsiderable GMR effect. Temperature dependence of magnetization measured in samples cooled without magnetic field(zero field cooling, ZFC) and cooled under magnetic field (field cooled, FC) exhibit significantdifference for Cox Cu100−x (x = 30). For Cox Cu100−x (x = 10) microwires we observed a maximumat quite low temperature, indicating possibility of existence of some amount of small Co-grains. X-ray diffraction (XRD) results reveal that the structure of the metallic core is granular withtwo phases: the main one, fcc Cu (lattice parameter 3.61 °A), found in all samples and fcc -Co(lattice parameter 3.54 °A) which is present in microwires with higher Co content. In the case oflow Co content, XRD indicates that Co atoms are distributed within the Cu crystals. The quantityand the crystallite size of the formed phases strongly depend on the geometry of the microwire.
Identification and nomenclature of the genus <i>Penicillium</i>
Visagie, C.M.,Houbraken, J.,Frisvad, J.C.,Hong, S.-B.,Klaassen, C.H.W.,Perrone, G.,Seifert, K.A.,Varga, J.,Yaguchi, T.,Samson, R.A. CBS PUBLICATIONS 2014 STUDIES IN MYCOLOGY Vol.78 No.-
<P><I>Penicillium</I> is a diverse genus occurring worldwide and its species play important roles as decomposers of organic materials and cause destructive rots in the food industry where they produce a wide range of mycotoxins. Other species are considered enzyme factories or are common indoor air allergens. Although DNA sequences are essential for robust identification of <I>Penicillium</I> species, there is currently no comprehensive, verified reference database for the genus. To coincide with the move to one fungus one name in the International Code of Nomenclature for algae, fungi and plants, the generic concept of <I>Penicillium</I> was re-defined to accommodate species from other genera, such as <I>Chromocleista</I>, <I>Eladia</I>, <I>Eupenicillium</I>, <I>Torulomyces</I> and <I>Thysanophora</I>, which together comprise a large monophyletic clade. As a result of this, and the many new species described in recent years, it was necessary to update the list of accepted species in <I>Penicillium</I>. The genus currently contains 354 accepted species, including new combinations for <I>Aspergillus crystallinus</I>, <I>A. malodoratus</I> and <I>A. paradoxus</I>, which belong to <I>Penicillium</I> section <I>Paradoxa</I>. To add to the taxonomic value of the list, we also provide information on each accepted species MycoBank number, living ex-type strains and provide GenBank accession numbers to ITS, β-tubulin, calmodulin and <I>RPB2</I> sequences, thereby supplying a verified set of sequences for each species of the genus. In addition to the nomenclatural list, we recommend a standard working method for species descriptions and identifications to be adopted by laboratories working on this genus.</P>
Gonzalez-Perez, C.J.,Vargas-Arispuro, I.,Aispuro-Hernandez, E.,Aguilar-Gil, C.L.,Aguirre-Guzman, Y.E.,Castillo, A.,Hernandez-Mendoza, A.,Ayala-Zavala, J.F.,Martinez-Tellez, M.A. The Korean Society for Microbiology and Biotechnol 2019 한국미생물·생명공학회지 Vol.47 No.2
The consumption of fresh vegetables has been related to recurrent outbreaks of foodborne diseases (FBD) worldwide. Therefore, the development of effective alternative technologies is necessary to improve the safety of these products. This study aimed to isolate and identify epiphytic lactic acid bacteria (LAB) from fresh fruits and leafy vegetables and characterize their antagonistic capacity due to their ability to produce bacteriocins or antibacterial compounds. For this, 92 LAB isolates from fruits and leafy vegetables were screened for antagonistic activity. Two strains with the highest and broadest antagonistic activities were selected for further characterization; one from cantaloupe melon (strain CM175) and one from cilantro leaves (strain C15). The cell-free supernatants (CFS) of CM175 and C15 were found to exhibit antagonistic activity against FBD-causing pathogens. The CM175 and C15 strains were identified as Pediococcus pentosaceus and Lactobacillus graminis, respectively. Notably, the P. pentosaceus CM175 CFS stopped the growth of Salmonella Typhimurium, Salmonella Saintpaul, Staphylococcus aureus, and Listeria monocytogenes, and delayed Escherichia coli O157:H7 growth. Moreover, L. graminis C15 CFS delayed the growth of all indicator pathogens, but did not completely stop it. Organic acids and bacteriocin-like molecules were determined to be possibly exerting the observed antagonistic activity of the identified LAB strains. Thus, application of the antagonistic compounds produced by Pediococcus pentosaceus and Lactobacillus graminis could be a novel and ecological strategy in developing antimicrobial biopreservatives for the food industry and mitigating FBD by reducing the biological contamination in fruit and vegetable orchards, mainly via their potential in controlling both gram-negative and gram-positive pathogenic bacteria.