Antifreeze Activity of Xylomannan from the Mycelium and Fruit Body of Flammulina velutipes.

abstract：:A small-sized generator of ozonated water was developed using an electro-conductive diamond. We studied the optimum conditions for producing ozonated water. As a result, we developed a small-sized generator of ozonated water driven by a dry-cell for use in the average household. This generator was easily able to produ...

journal_title：Biocontrol science

authors： Sekido K,Kitaori N

更新日期：2008-12-01 00:00:00

abstract：:In 2017, 2 household washing machines which were used at a house in Saitama prefecture were tested for fungal flora sampling. The fungi were identified in detail via genetic analysis of the ITS region. The number of fungi which were isolated were 8.7×106～6.1×107 cfu/100cm2 and dematiaceous fungi such as Ochroconis mus...

journal_title：Biocontrol science

authors： Hashimoto K,Fujii H,Kawakami Y

更新日期：2019-01-01 00:00:00

abstract：:Density gradient centrifugation (DGC) is useful for the separation of living microbial cells from food samples that are not filterable. After DGC, however, careful operation is necessary to collect each density layer. For a simple and reproducible collection after DGC, we have developed a seamless operation system com...

journal_title：Biocontrol science

authors： Araki E,Matsuzaki T,Sekita T,Saito M,Matsuoka H

更新日期：2010-06-01 00:00:00

abstract：:A biological indicator (BI) is a useful product to confirm sterility assurance after a sterilization procedure. In ISO 11138 and 14161, the concrete procedures regarding the use of BI are described for BI manufacturers and users, respectively. There are several problems involving BI use which must be addressed. These ...

journal_title：Biocontrol science

authors： Royalty-Hann W

更新日期：2007-06-01 00:00:00

abstract：:　Exact evaluation of the performance of surgical masks and biohazard protective clothing materials against pathogens is important because it can provide helpful information that healthcare workers can use to select suitable materials to reduce infection risk. Currently, to evaluate the protective performance of nonwov...

journal_title：Biocontrol science

authors： Shimasaki N,Okaue A,Kikuno R,Shinohara K

更新日期：2018-01-01 00:00:00

abstract：:The effect of an oxygen-releasing compound (ORC) magnesium peroxide (MgO(2)) on the changes in the bacterial community in organically polluted sediment of aquaculture farms was tested in a microcosm experiment. The sediment, to which fish feed was added, was treated with 1% or 5% MgO(2). The addition of fish feed indu...

journal_title：Biocontrol science

authors： Santander-De Leon SM,Okunishi S,Kihira M,Nakano M,Nuñal SN,Hidaka M,Yoshikawa T,Maeda H

更新日期：2013-01-01 00:00:00

abstract：:We found that an additive for a resin, which was comprised of collagen and aluminum (Al), showed a strong and stable antibacterial effect against various bacterium under certain conditions. We tried to clarify its mechanism of action, and investigated optimum conditions for its effects. This additive (Al cross-linked ...

journal_title：Biocontrol science

authors： Ohmoto T,Yamashita K,Moriyoshi K,Yamanaka H,Koma D,Kawano H,Sakai K

更新日期：2012-03-01 00:00:00

abstract：:For microbial ecological analysis, 14 strains of Methylobacterium aquaticum isolated from water samples were subjected to clustering analysis on the basis of ribotyping and RAPD-PCR tests. The ribopatterns after digestion with EcoRI obtained from 14 strains of M. aquaticum were used to divide the strains into two grou...

journal_title：Biocontrol science

authors： Furuhata K,Banzai AU,Kawakami Y,Ishizaki N,Yoshida Y,Goto K,Fukuyama M

更新日期：2011-09-01 00:00:00

abstract：:The antimicrobial activity of isothiocyanates (ITCs) extracted from horseradish root was investigated against oral microorganisms: 6 strains of facultative anaerobic bacteria, Streptococcus mutans, Streptococcus sobrinus, Lactobacillus casei, Staphylococcus aureus, Enterococcus faecalis and Aggregatibacter actinomycet...

journal_title：Biocontrol science

authors： Park HW,Choi KD,Shin IS

更新日期：2013-01-01 00:00:00

abstract：:The overproduction of enzymes was performed by manipulating the medium components. In our study, solvent-tolerant thermophilic lipase-producing Bacillus coagulans was isolated from soil samples and a stepwise optimization strategy was employed to increase the lipase production using coconut oil cake basal medium. In t...

journal_title：Biocontrol science

authors： Gowthami P,Muthukumar K,Velan M

更新日期：2015-01-01 00:00:00

abstract：:　With the object of developing new biocides milder for human use than the current antiseptics, we synthesized a series of bis-quaternary ammonium compounds (bis-QACs). The antimicrobial activity of the newly synthesized bis-QACs and common biocides used as antiseptics was compared by examining minimum inhibitory conce...

journal_title：Biocontrol science

authors： Yamamoto M,Takami T,Matsumura R,Dorofeev A,Hirata Y,Nagamune H

更新日期：2016-01-01 00:00:00

abstract：:Povidone-iodine (PVP-I) is used for infection control and preoperative sterilization of the oral and pharyngeal regions. Marketed preparations containing cetylpyridinium chloride (CPC) are used to inhibit growth of oral bacteria. We conducted an in vitro study of the sterilizing effects of these microbicides on 10 ora...

journal_title：Biocontrol science

authors： Urakawa R,Inubushi J,Tobata H,Eguchi T

更新日期：2020-01-01 00:00:00

abstract：:The genus Arthrospira is a nonheterocystous filamentous cyanobacterium inhabiting diverse environments including those of high salinity. In the present study, Arthrospira strains were isolated from freshwater and brackish lakes in Myanmar, and their osmoprotective adaptation was investigated as it was for the genus Sy...

journal_title：Biocontrol science

authors： Yoshikawa T,Ikeda Y,Sakata T,Maeda H

更新日期：2011-06-01 00:00:00

abstract：:The thermal death of the spores of Bacillus subtilis 168 in oil-water systems including emulsions and separated layers consisting of phosphate buffer and soybean oil or n-hexadecane was investigated. The resultant survivor curve consisted of two phases, an initial rapid reduction followed by a slow reduction, possibly...

journal_title：Biocontrol science

authors： Shigemoto M,Nakagawa K,Sakamoto JJ,Tsuchidoi T

更新日期：2010-03-01 00:00:00

abstract：:The antifungal activities of diglycerin monoester of fatty acids (DGCs), which have been employed as food emulsifiers, were examined against three yeasts, Saccharomyces cerevisiae, Candida albicans and Candida utilis and were compared with those of sucrose monoester of palmitic acid (SC16) as another type of emulsifie...

journal_title：Biocontrol science

authors： Shimazaki A,Sakamoto JJ,Furuta M,Tsuchido T

更新日期：2016-01-01 00:00:00

abstract：:The antifungal activity of scallop-shell powder heated at 1000 degrees C for 1 h against Trichophyton was kinetically investigated and the possibility of applying the powder to the treatment of dermatophytosis was examined. The death rate of T. mentagrophytes NBRC5466 in the heated shell powder slurry increased with p...

journal_title：Biocontrol science

authors： Sawai J,Shiga H

更新日期：2006-09-01 00:00:00

abstract：:To design new antimicrobial peptides, we have focused on various proteins which are not essential for self-defense but carry important responsibilities for biosystems. Previously, we reported that highly efficient antimicrobial properties or antiviral properties are inherent in the nuclear translocation signals and bi...

journal_title：Biocontrol science

authors： Kobayashi N,Masuda J,Kudoh J,Shimizu N,Yoshida T

更新日期：2008-06-01 00:00:00

abstract：:Ultraviolet-A (UV-A) can damage microbes by generating reactive oxygen species (ROS), singlet oxygen, superoxides, hydrogen peroxide and hydroxyl radicals. These species readily react with lipids, proteins, DNA and other constituents of cells, leading to oxidative deterioration and the eventual death of the microbe. H...

journal_title：Biocontrol science

authors： Shirai A,Onitsuka M,Maseda H,Omasa T

更新日期：2015-01-01 00:00:00

abstract：:Hinokitiol, the major component of Aomori Hiba (Thujopsis dolabrata Sieb. et Zucc. var. hondai M(AKINO)) has already been found to show strong antibacterial activity. In this study, its mechanism of action was examined using Escherichia coli IFO 3301 and Staphylococcus aureus IFO 12732. As a result, it was suggested t...

journal_title：Biocontrol science

authors： Morita Y,Sakagami Y,Okabe T,Ohe T,Inamori Y,Ishida N

更新日期：2007-09-01 00:00:00

abstract：:This study compared the antifungal activities of bronopol and 2-methyl-4-isothiazolin-3-one (MT) against members of the genus Saprolegnia in the family saprolegniaceae, which have the ability to infect fish. The minimum inhibitory concentration of bronopol was 100-200 mg/l but for MT it was 31 mg/l. Concerning fungici...

journal_title：Biocontrol science

authors： Oono H,Hatai K

更新日期：2007-12-01 00:00:00

abstract：:The lethal effects of shock pressure treatment on suspended Vibrio sp. cells were examined. Lethality of shock pressures to the Vibrio sp. cells increased with the increase in the values of maximum shock pressures generated in the cell suspension. When the value was around 114 MPa, the total number of colony-forming c...

journal_title：Biocontrol science

authors： Mimura H,Abe A,Katakura R,Kawasaki H,Yoshida K,Ishida H

更新日期：2006-12-01 00:00:00

abstract：:Pseudomonas aeruginosa strains were isolated from 45 of 370 (12.2%) cockroaches captured in hospitals. By cockroach species, the bacterial strains were isolated from 39 of 181 (21.5%) Periplaneta fuliginosa and 6 of 183 (3.3%) Blattella germanica, showing a significant difference (p<0.01). Many P. aeruginosa-carrying ...

journal_title：Biocontrol science

authors： Saitou K,Furuhata K,Kawakami Y,Fukuyama M

更新日期：2009-12-01 00:00:00

abstract：:Fate of Escherichia coli O157 cells was evaluated when inoculated into each step after production of lightly pickled Chinese cabbage. The efficacy of surface sterilization by 100 mg/L of chlorine water for 10 min on raw leaves (6.0 log CFU/g) was 2.2 log CFU/g reduction. No meaningful change of the population of E. co...

journal_title：Biocontrol science

authors： Inatsu Y,Ohata Y,Ananchaipattana C,Latiful Bari M,Hosotani Y,Kawasaki S

更新日期：2016-01-01 00:00:00

abstract：:We assessed the properties of biofilms (BFs) formed by mono- and co-cultures of Listeria monocytogenes and Pseudomonas aeruginosa (L+P-BF) at low temperatures and examined their sensitivity to several antibacterial substances. L. monocytogenes viable counts comprised only 1-10% of total L+P-BF viable counts at 10℃ and...

journal_title：Biocontrol science

authors： Yamakawa T,Tomita K,Sawai J

更新日期：2018-01-01 00:00:00

abstract：:　Agaricus is known to have immunostimulatory and anti-tumor effects. However, the antiviral effects of Agaricus have not yet been examined. In the present study, the antiviral effects of an extract of Agaricus brasiliensis KA21 (AE) on the H1N1 influenza virus (PR8 strain) were investigated.　The anti-influenza virus e...

journal_title：Biocontrol science

authors： Eguchi N,Fujino K,Thanasut K,Taharaguchi M,Motoi M,Motoi A,Oonaka K,Taharaguchi S

更新日期：2017-01-01 00:00:00

abstract：:Tap water contamination is a growing concern in healthcare facilities, and despite chlorination, tap water in these facilities contains several pathogenic microorganisms causing healthcare-associated waterborne infections or nosocomial outbreaks. Shower units are particularly prone to contamination as they are conduci...

journal_title：Biocontrol science

authors： Sasahara T,Ogawa M,Fujimura I,Ae R,Kosami K,Morisawa Y

更新日期：2020-01-01 00:00:00

abstract：:　We compared the TBT-resistant ability of resting cells prepared from isolates that formed colonies on nutrient agar plates containing 100 µM tributyltin (TBT) chloride, such as Photobacterium sp. TKY1, Halomonas sp. TKY2, and Photobacterium sp. NGY1, with those from taxonomically similar type strains. Photobacterium ...

journal_title：Biocontrol science

authors： Mimura H,Yagi M,Yoshida K

更新日期：2017-01-01 00:00:00

abstract：:A chemiluminescence system, Milliflex Quantum (MFQ), to detect microcolonies, has been used in the pharmaceutical field. In this study, we investigated aquatic bacteria in hemodialysis solutions sampled from bioburden areas in 4 dialysis faculties. Using MFQ, microcolonies could be detected after a short incubation pe...

journal_title：Biocontrol science

authors： Osono E,Kobayashi E,Inoue Y,Honda K,Kumagai T,Negishi H,Okamatsu K,Ichimura K,Kamano C,Suzuki F,Norose Y,Takahashi M,Takaku S,Fujioka N,Hayama N,Takizawa H

更新日期：2014-01-01 00:00:00

abstract：:The growth of black mold (Aspergillus brasiliensis) in black-colored samples such as hair color and mascara was measured with an automatic count system based on time-lapse shadow image analysis (TSIA). A. brasiliensis suspended in a lecithin and polysorbate (LP) solution of each sample (hair color or mascara) was spre...

journal_title：Biocontrol science

authors： Ogawa H,Matsuoka H,Saito M

更新日期：2015-01-01 00:00:00

abstract：:We tested treatement with UV irradiation for controlling the growth of bread mold. First, we analyzed the sterilizing effect of a dose of approximately 25 mJ/cm2 radiation on nine Penicillium and two Talaromyces strains that were isolated from a bread-manufacturing plant. The P. chermesinum and P. paneum strains were ...

journal_title：Biocontrol science

authors： Kawaguchi M,Kani A,Takatori K

更新日期：2019-01-01 00:00:00