Efficacy and Effectiveness of Showerheads Attached with Point-of-use (POU) Filter Capsules in Preventing Waterborne Diseases in a Japanese Hospital.

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：: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

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

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：: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：: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：: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：: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：: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：: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：: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：: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：: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：:　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 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：:　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：: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：: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：: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：: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：: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 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：: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：: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：: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：: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 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：: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