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Hierarchical magnesium oxide microspheres for removal of heavy ions from water and efficient bacterial inactivation
magnesium oxide heavy ions bacterial inactivation
2023/6/21
Hierarchical magnesium oxide (MgO) microspheres with high adsorption capacity of heavy metal ions and potent antibacterial activity were synthesized by an aerosol-assisted method. It is a facile, effi...
Effects of shading and growth phase on the microbial inactivation by pulsed light
UV-C light non-thermal methods shading effect decontamination inactivation
2014/2/24
Pulsed light is an emerging technology that kills microorganisms using pulses of an intense broad-spectrum light. This work aimed to determine the effect of population density and microbial growth pha...
Microwave-irradiation-assisted HVAC Filtration for Inactivation of Viral Aerosols
HVAC filter Mask Microwave MS2 Inactivation efficiency Survival fraction
2016/3/25
Inactivation of collected viral aerosols is important for preventing a filter medium’s serving as a fomite. The focus of
this study was to evaluate the inactivation efficiency (IE) achieved through f...
Inactivation of mesophilic bacteria in milk by means of high intensity ultrasound using response surface methodology
high power ultrasound total mesophilic bacteria count D values
2014/2/25
High-intensity ultrasound was used to investigate the inactivation of microorganisms in raw bovine milk. Raw bovine milk with 4% of milk fat was treated with ultrasonic probe that was 12 mm in diamete...
Ultraviolet Radiation for Microorganism Inactivation in Wastewater
Pseudomonas aeruginosa Inactivation Disinfection Ultraviolet UV Temperature
2013/3/11
The purpose of this research stream is to evaluate the kinetics of bacterial strains of Pseudomonas aeruginosa, to establish the influence of UV doses on the kinetics of disinfection, to study UV-resi...
Photodynamic Inactivation of Food Pathogen Listeria monocytogenes
photosensitization nonthermal inactivation of L. monocytogenes biofilms
2010/10/14
The aim of this study is to examine the possibility to inactivate food pathogen Listeria
monocytogenes by nonthermal antimicrobial treatment – photosensitization. L. monocytogenes
was incubated with...
Inactivation of food spoilage bacteria by high pressure processing: Evaluation with conventional media and PCR–DGGE analysis
High pressure processing RNA extraction DGGE Active species Sliced cooked ham
2012/8/14
Microbial diversity and dynamic changes of sliced vacuum-packed cooked ham during refrigerated storage (0–90 days) after high pressure processing (400 MPa at 22 _C for 10 min) was investigated by usin...
ZnO films grown by pulsed-laser deposition on soda lime glass substrates for the ultraviolet inactivation of Staphylococcus epidermidis biofilms
pulsed laser deposition zinc oxide ZnO
2010/1/19
We found that a ZnO film of 2 μm thickness which was laser-deposited at room temperature onto a plain soda lime glass substrate, exhibits notable antibacterial activity against a biofilm of Staphyloco...
高压脉冲电场对蛋清单增李斯特菌的杀灭效果（Synergistic Effect of Pulsed Electric Fields on the Inactivation of Listeria innocua in Egg White）
高压脉冲电场 蛋清 李斯特菌
2009/8/11
研究了高压脉冲电场（PEF）与温和热协同处理对蛋清中嗜冷菌——单增李斯特菌的杀灭效果。结果表明，当处理温度为15℃时，20、25、30和35kV/cm电场强度作用400μs，每1mL蛋清所含李斯特菌数分别降低了0.8、1.4、2.3和3.8个数量级。当处理温度升至55℃时，每1mL蛋清总菌数分别降低了1.3、2.5、4.9和6.4个数量级。当处理温度为15℃，35kV/cm作用100、200、30...
pH-Dependent Inactivation of Enzymes by Microbubbling of Supercritical Carbon Dioxide
supercritical CO2 microbubbles inactivation
2009/7/8
The effect of pH on the inactivation of some enzymes (acid protease, alkaline protease, papain, and glucoamylase) dissolved in McIlvaine buffer by microbubble supercritical (SC) CO2 treatment was inve...
Inactivation Behavior of Heat-Resistant Bacterial Spores by Thermal Treatments Combined with High Hydrostatic Pressure
Bacillus subtilis Bacillus coagulans Bacillus stearothermophilus
2009/7/8
The inactivation behavior of four kinds of bacterial spores by thermal treatments combined with high hydrostatic pressure (HHP) were investigated in a temperature range of 35-120°C and in a pressure r...
Inactivation of Bacillus cereus Spores during Rice Cooking
heat resistance B. cereus spores lethality cooking time
2009/6/18
The D-values at 80, 90 and 100°C of Bacillus cereus spores (Philippine strain 1061) in 2% broth of Philippine rice cultivar PSB Rc72H were 38, 12 and 5 min, respectively. The Z-value of the test spore...
Effects of Food Ingredients on Inactivation of Escherichia coli by Hydrostatic Pressure Treatment with the Addition of Allyl Isothiocyanate
Escherichia coli inactivation hydrostatic pressure
2009/6/18
The effects of pH, the major food ingredients sodium chloride, sucrose, protein and organic acids on Escherichia coli inactivation by hydrostatic pressure treatment with the addition of allyl isothioc...
Non-thermal Inactivation of Bacillus Spores by Pressure-holding
pressure-holding bacterial spore inactivation
2009/6/10
Bacillus subtilis spores were pressurized at 60MPa at 40°C for 0∼24 hours in phosphate buffer or GAM broth. After 24 hours, viable counts and spore counts decreased by about 5 log cycles in the ...
Germination and Inactivation of Bacillus subtilis Spores under Combined Conditions of Hydrostatic Pressure and Medium Temperature
pressurization germination inactivation
2009/6/10
The combined effect of mild heating and pressurization on germination and inactivation of Bacillus subtilis spores was investigated. The spore count decreased remarkably at 60°C+80MPa in glucose broth...