Antibacterial Activities of Surfactants in the Laundry Detergents and Isolation of the Surfactant Resistant Aquatic Bacteria.

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：:Mathematical models are essentially needed to quantitatively predict microbial growth in food products during their production and distribution. Recently we developed a new logistic model for microbial growth. The model is an extended logistic model, which shows a sigmoid curve on a semi-log plot. The model could prec...

journal_title：Biocontrol science

authors： Fujikawa H

更新日期：2010-09-01 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：: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：:Effects of surface contamination and cleaning with hypochlorite wipes on the antibacterial activity of copper-alloyed stainless steel were studied. The antibacterial activity of copper alloyed stainless steel decreased with the increase in the amount of surface contaminant, and the bacterial counts from specimens cont...

journal_title：Biocontrol science

authors： Kawakami H,Hayashi T,Nishikubo H,Morikawa A,Suzuki S,Sato Y,Kikuchi Y

更新日期：2014-01-01 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

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：:　Malodorants in the human axilla are produced from human biogenic precursors by axillary bacterial enzymes. In the present study, we used pyrosequencing analysis to identify the axillary bacterial microbiota of 13 Japanese male subjects with cumin-like, spicy body odor (C type), and 9 with milky, skin-based body odor ...

journal_title：Biocontrol science

authors： Okamoto H,Koizumi S,Shimizu H,Cho O,Sugita T

更新日期：2018-01-01 00:00:00

abstract：:Growth characteristics of a four-strain cocktail of Salmonella Enteritidis in commercial products of pasteurized and unpasteurized liquid whole egg were studied with a growth model developed by us. The unpasteurized product contained total bacteria at 10(7.3) CFU/g, but no Salmonella. When the products were spiked wit...

journal_title：Biocontrol science

authors： Sakha MZ,Fujikawa H

更新日期：2012-01-01 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：:An outbreak of Escherichia coli O157:H7 occurred due to the consumption of sweet dumplings in Japan. We examined the survival of E. coli O157:H7 inoculated into several types of sweet dumplings to evaluate the progress of the residual contaminating pathogens after the production or packing processes. For all 4 types o...

journal_title：Biocontrol science

authors： Inatsu Y,Ohata Y,Nakamura N,Hosotani Y,Ananchaipattana C,Bari ML,Kawasaki S

更新日期：2015-01-01 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：: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 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：:Striped catfish (Pangasianodon hypophthalmus) farming in the Mekong Delta Vietnam (MKDVN) importantly contributes to national aquaculture export. Currently, however, diseases occur more frequently across the entire MKDVN region. One of the most common types is hemorrhagic septicemia caused by Aeromonas hydrophila. In ...

journal_title：Biocontrol science

authors： Hoang A H,Tran T T X,LE P N,Dang T H O

更新日期：2019-01-01 00:00:00

abstract：:　Quantitative antifungal testing methods for textile fabrics under growth-supportive conditions were studied. Fungal growth activities on unfinished textile fabrics and textile fabrics modified with Ag nanoparticles were investigated using the colony counting method and the luminescence method. Morphological changes o...

journal_title：Biocontrol science

authors： Imoto Y,Seino S,Nakagawa T,Yamamoto TA

更新日期：2017-01-01 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：:　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：:Vibrio cholerae isolates from environmental and clinical origins in the Bengal region in which epidemics of cholera break out periodically were analyzed with particular emphasis on the molecular epidemiological features. The presence of the virulence genes (ctxA, tcpA and toxR) in the isolates was analyzed by the PCR ...

journal_title：Biocontrol science

authors： Shinoda S,Nakagawa T,Hirakawa N,Miyoshi S,Arakawa E,Ramamurthy T,Dutta B,Faruque SM,Nair GB

更新日期：2008-03-01 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：: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：: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：:The simplex real-time PCR assays based on the TaqMan probe and SYBR green I， which target cereulide synthetase genes (ces genes) were used for rapidly, reliably and sensitively identifying the emetic strains from among Bacillus cereus strains isolated from different sources. Only the emetic strains showed positive rea...

journal_title：Biocontrol science

authors： Ueda S,Yamaguchi M,Iwase M,Kuwabara Y

更新日期：2013-01-01 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：: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：:Anti-VRE and anti-MRSA activities of new quinolone derivatives [The two quinolone derivatives are 8- [3-[(ethylamino) methyl]-1-pyrrodinyl] -7-fluoro-9, 1-[(N-methylimino)methano]-5-oxo-5H-thiazolo[3,2-a]quinolone-4-carboxylic acid (compound A) and 7-fluoro-8-morpholino-9,1-[(N-methylimino) methanol-5-oxo-5H-thiazolo ...

journal_title：Biocontrol science

authors： Sakagami Y,Komemushi S,Tsukamoto G,Kondo H,Yoshikawa A,Muraoka O

更新日期：2008-09-01 00:00:00

abstract：:Vibrio vulnificus is a halophilic estuarine bacterium, but this species causes fatal septicemia in humans. V. vulnificus may encounter many kinds of stresses either in the natural environment or in the human body. One of the striking stresses is the exposure to the reactive oxygen species including nitric oxide (NO). ...

journal_title：Biocontrol science

authors： Elgaml A,Miyoshi S

更新日期：2015-01-01 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：: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：:Lactic Acid Bacteria （LAB） are generally recognized as safe. It has been used to increase the shelf-life of fermented products, and its antimicrobial action is based on the metabolites secretions, such as lactic acid, hydrogen peroxide, reuterin, bacteriocins and the like-bacteriocins substances. It has been proven th...

journal_title：Biocontrol science

authors： Hernández-Aquino S,Miranda-Romero LA,Fujikawa H,Maldonado-Simán EJ,Alarcón-Zuñiga B

更新日期：2019-01-01 00:00:00