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| 1 | Inactivation effect of pressurized carbon dioxide on bacteriophage Qβ and ΦX174 as a novel disinfectant for water treatment显示文摘The inactivation effects of pressurized CO2 against bacteriophage Qβ and ΦX174 were investigated under the pressure of 0.3–0.9 MPa, initial concentration of 107–109PFU/mL, and temperature of17.8°C–27.2°C. The optimum conditions were found to be 0.7 MPa and an exposure time of 25 min. Under identical treatment conditions, a greater than 3.3-log reduction in bacteriophage Qβ was achieved by CO2, while a nearly 3.0 log reduction was observed for phage ΦX174. The viricidal effects of N2O(an inactivation gas with similar characteristics to CO2), normal acid(HCl), and CO2 treatment with phosphate buffered saline affirmed the chemical nature of CO2 treatment. The pumping cycle, depressurization rate, and release of intracellular substances caused by CO2 were its viricidal mechanisms. The results indicate that CO2 has the potential for use as a disinfectant without forming disinfection by-products. | Huy Thanh Vo Tsuyoshi Imai Truc Thanh Ho Masahiko Sekine Ariyo Kanno Takaya Higuchi Koichi Yamamoto Hidenori Yamamoto | 2014 | Journal of Environmental Sciences2014，26，6： | 4 |
| 2 | Potential bioremediation of mercury-contaminated substrate using filamentous fungi isolated from forest soil显示文摘The use of filamentous fungi in bioremediation of heavy metal contamination has been developed recently. This research aims to observe the capability of filamentous fungi isolated from forest soil for bioremediation of mercury contamination in a substrate. Six fungal strains were selected based on their capability to grow in 25 mg/L Hg2+-contaminated potato dextrose agar plates. Fungal strain KRP1 showed the highest ratio of growth diameter, 0.831, thus was chosen for further observation.Identification based on colony and cell morphology carried out by 18S rRNA analysis gave a 98%match to Aspergillus flavus strain KRP1. The fungal characteristics in mercury(Ⅱ) contamination such as range of optimum pH, optimum temperature and tolerance level were 5.5–7 and 25–35℃ and 100 mg/L respectively. The concentration of mercury in the media affected fungal growth during lag phases. The capability of the fungal strain to remove the mercury(Ⅱ) contaminant was evaluated in 100 mL sterile 10 mg/L Hg2+-contaminated potato dextrose broth media in 250 mL Erlenmeyer flasks inoculated with 108spore/mL fungal spore suspension and incubation at 30℃ for 7 days. The mercury(Ⅱ) utilization was observed for flasks shaken in a 130 r/min orbital shaker(shaken) and nonshaken flasks(static) treatments. Flasks containing contaminated media with no fungal spores were also provided as control. All treatments were done in triplicate. The strain was able to remove 97.50%and 98.73% mercury from shaken and static systems respectively. A. flavus strain KRP1 seems to have potential use in bioremediation of aqueous substrates containing mercury(Ⅱ) through a biosorption mechanism. | Evi Kurniati Novi Arfarita Tsuyoshi Imai Takaya Higuchi Ariyo Kanno Koichi Yamamoto Masahiko Sekine | 2014 | Journal of Environmental Sciences2014，26，6： | 4 |
| 3 | Response surface method for modeling the removal of carbon dioxide from a simulated gas using water absorption enhanced with a liquid-film-forming device显示文摘This paper presents the results from using a physical absorption process to absorb gaseous CO_2mixed with N_2using water by producing tiny bubbles via a liquid-film-forming device(LFFD)that improves the solubility of CO_2in water.The influence of various parameters—pressure,initial CO_2concentration,gas-to-liquid ratios,and temperature—on the CO_2removal efficiency and its absorption rate in water were investigated and estimated thoroughly by statistical polynomial models obtained by the utilization of the response surface method(RSM)with a central composite design(CCD).Based on the analysis,a high efficiency of CO_2capture can be reached in conditions such as low pressure,high CO_2concentration at the inlet,low gas/liquid ratio,and low temperature.For instance,the highest removal efficiency in the RSM–CCD experimental matrix of nearly 80%occurred for run number 20,which was conducted at 0.30 MPa,CO_2concentration of 35%,gas/liquid ratio of 0.71,and temperature of 15°C.Furthermore,the coefficients of determination,R^2,were 0.996 for the removal rate and 0.982 for the absorption rate,implying that the predicted values computed by the constructed models correlate strongly and fit well with the experimental values.The results obtained provide essential information for implementing this method properly and effectively and contribute a promising approach to the problem of CO_2capture in air pollution treatment. | Diem-Mai Kim Nguyen Tsuyoshi Imai Thanh-Loc Thi Dang Ariyo Kanno Takaya Higuchi Koichi Yamamoto Masahiko Sekine | 2018 | Journal of Environmental Sciences2018，30，3： | 2 |
| 4 | Antioxidant Contents (Vitamin C) of Raw and Blanched Different Fresh Vegetable Samples显示文摘 | Oluwafunmilayo O. Olayinka Ajibola M. Kareem Isaac B. Ariyo Stephen K. Omotugba Adedayo O. Oyebanji | 2012 | 世界最新医学信息文摘2012，12，2： | 2 |
| 5 | Lp(a) lipoprotein,vascular disease and mortality in the elderly显示文摘 | Ariyo AA Thach C Tracy R | 2003 | N Engl JMed2003，349，22： | 1 |
| 6 | Depressive symptoms and risks of coro-nary heart disease and mortality in elderly Americans显示文摘 | Ariyo AA Haan M Tangen CM | 2000 | Circulation2000，102，15： | 1 |
| 7 | Depressive Symptoms and Risks of Coronary Heart Disease and Mortality in Elderly Americans显示文摘 | Abraham A. Ariyo Mary Haan Catherine M. Tangen John C. Rutledge Mary Cushman Adrian Dobs Curt D. Furberg | 2000 | Circulation: Journal of the American Heart Association2000，，15： | 1 |
| 8 | Depressive symptoms and risks of coronary heart disease and mortality in elderly Ameri cans显示文摘 | Ariyo A A Haan M Tangen C M | 2000 | Circulation2000，102，15： | 1 |
| 9 | Lp (a)lipoprotein,vascular disease,and mortality in the elderly 显示文摘 | ARIYO AA THACH C TRACY R | 2003 | N Engl J Med2003，349，22： | 1 |
| 10 | Alginate oligosaccharides as enhancers of penicillin production in cultures of Penicillium chrysogenum 显示文摘 | Ariyo B T Bucke C Keshavar T | 1997 | Biotechnology and Bioengineering1997，53，： | 1 |
| 11 | Depressive symptoms and risks of coronary hear disease and mortality in elderly Americans显示文摘 | Abraham A Ariyo MD Haun M | 2000 | Circulation2000，102，： | 1 |
| 12 | Depressive symptoms and risks of coronary heart disease and mortality in elderly American:Cardiovascular Health Study Collaborative Research Group显示文摘 | Haan M Tangen CM | 2000 | Circulation2000，102，15： | 1 |
| 13 | Lp(a)lipoprotein,vascular disease,and mortality in the elderly显示文摘 | Ariyo AA Thach C Tracy R | 2003 | N Engl J Med2003，349，22： | 1 |
| 14 | Lp(a)lipoprotein,vascu-lar disease,and mortality in the elderly显示文摘 | Ariyo AA Thach C Tracy R | 2003 | N Engl JMed2003，349，22： | 1 |
| 15 | A hybrid approach based on SERVQUAL and fuzzy TOPSIS for evaluating transportation service quality显示文摘 | Anjali Awasthi Satyaveer S. Chauhan Hichem Omrani Ariyo Panahi | 2011 | Computers & Industrial Engineering2011，，3： | 1 |
| 16 | Depressive symptoms andrisks of coronary heart disease and mortality in elderly Americans 显示文摘 | Abraham A Ariyo MD Haun M | 2000 | Circulation2000，102，17： | 1 |
| 17 | Lp (a) lipoprotein, vas- cular disease,and mortality in the elderly显示文摘 | ARIYO AA THACH C TRACY R | 2003 | N Engl J Med2003，349，： | 1 |
| 18 | Lp(a)lipoprotein,vascular disease,and mortality in the elderly显示文摘 | ARIYO A A THACH C TRACY R | 2003 | N Engl J Med2003，349，： | 1 |
| 19 | Lp(a)lipoprotein,vascular disease,and mortality in the elderly显示文摘 | Ariyo AA Thach C Tracy R | 2003 | N Engl J Med2003，349，22： | 1 |
| 20 | Depressive symptoms and risks of coronary hear tdisease and mortality in elderly Americans Cardiovascular Health Study Collaborative Research Group 显示文摘 | Ariyo AA Haan M Tangen CM | 2000 | Circulation2000，102，： | 1 |
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