Effects of surface contamination and cleaning with hypochlorite wipes on the antibacterial activity of copper-alloyed antibacterial stainless steel.

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 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：:Growth prediction of a four-strain cocktail of Salmonella Enteritidis in commercial products of pasteurized and unpasteurized liquid whole egg was studied with the new logistic model that we developed. The growth data of the pathogen in the liquid egg products at constant temperatures in our recent study (Sakha and Fu...

journal_title：Biocontrol science

authors： Sakha MZ,Fujikawa H

更新日期：2013-01-01 00:00:00

abstract：:BD mCCDA Clear-HT (CCHT; Nippon Becton Dickinson Company, Ltd.) , a novel chromogenic selective medium was evaluated for its superior capacity to isolate Campylobacter jejuni/ coli. When CCHT was assessed using 142 microbes including 42 Campylobacter jejuni/ coli strains, all Campylobacter strains were found to form p...

journal_title：Biocontrol science

authors： Teramura H,Ogura A,Yasuda E,Furuhata 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 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 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：: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：:In August, 2010, strain HYMO-6 was isolated from a sample of hot spring water in Aomori, Japan. The 16S rDNA sequences (1,496bp) of this strain (accession number: AB597175) had a similarity of less than 96.6% to other Legionella species, prompting us to hypothesize that this strain might be a novel species belonging t...

journal_title：Biocontrol science

authors： Furuhata K,Edagawa A,Miyamoto H,Goto K,Yoshida S,Fukuyama M

更新日期：2011-12-01 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：:　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：: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：: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 sporicidal activity of an improved iodide formulation based on a previously reported agent (Kida et al., 2004, tentatively designated as the KMT reagent) which is composed of 50 mM EDTA-2Na, 50 mM ferric chloride hexahydrate (FeCl3.6H2O), 50 mM potassium iodide (KI) and 50% ethanol in 0.85% NaCl solution at pH 0.3...

journal_title：Biocontrol science

authors： Kida N

更新日期：2009-06-01 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 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：: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：: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：: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：: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：: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：:　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：: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：: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：: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：: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：: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：:Pseudomonas fluorescens strain LRB3W1 inhibited the mycelial growth of Fusarium oxysporum f. sp. lycopersici and suppressed the Fusarium wilt of tomato. The chemical fungicide, benomyl, did not suppress the disease incidence at low concentrations. However, the disease incidence was decreased by the combined applicatio...

journal_title：Biocontrol science

authors： Someya N,Tsuchiya K,Yoshida T,Noguchi MT,Sawada H

更新日期：2006-06-01 00:00:00