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Infection control and prevention in burn victims:The role of nurses

Journal of Integrative Nursing 2024年第2期6卷 136-141页

作者： Dorcas Ayomikun ariyo Olaolorunpo OLORUNFEMIDepartment of Nursing Faculty of Nursing Sciences Achievers University OwoOndo StateNigeria

Burn injury is a major public health concern,with an estimated 180,000 deaths each year associated with burn-related infections.The majority of these occur in low-and middle-income countries,and almost two-thirds occur in the World Health Organization African and South-East Asia Regions.There is a risk of an escalation of burn injury site infections if nurses who are directly involved in burn care do not develop a mechanism to mitigate this risk in the coming years.Hence,this study aims at explaining what burn injuries are and how nurses can prevent the occurrence of infection among burn victims.This review analyzed published studies using keywords such as burn injury,infection in burn patients,and nurses’involvement in infection prevention and control(IPC)on search engines such as PubMed,Science Direct,and Google Scholar.The literature was retrieved and reviewed for eligibility to capture just the variables indicated in this seminar objective;the date range chosen in the literature search was from 2015 to 2023.The study found that many patients die from burn injuries as a result of exposure to infection and most nurses are not adequately informed about infection control.The study also found that nurses’responsibilities include proper hand hygiene,wound care,the use of personal protective equipment,antibiotic medication,cleaning the patient’s surroundings,and preventing patient cross-contamination.Burn injuries pose a significant risk to patients,necessitating infection control and prevention.Therefore,nurses in burn units should be informed on IPC practices and also educate patients,families,and coworkers on their importance.

关键词： Burn injury control holistic nursing care infection prevention nurses practices

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Potential bioremediation of mercury-contaminated substrate using filamentous fungi isolated from forest soil

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Journal of Environmental Sciences 2014年第6期26卷 1223-1231页

作者： Evi Kurniati Novi Arfarita Tsuyoshi Imai Takaya Higuchi ariyo kanno Koichi Yamamoto Masahiko Sekine Department of Agricultural Engineering Brawijaya University Division of Environmental Science and Sustainable Engineering Graduate School of Science and Engineering Yamaguchi University Department of Agrotechnology Malang Islamic University

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 Aspergillusflavus 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 108 spore/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 non- shaken 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 KRPI seems to have potential use in bioremediation of aqueous substrates containing mercury（II） through a biosorption mechanism.

关键词： Aspergillusflavus strain KRP1 biosorption mercury contaminant

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Delignification of disposable wooden chopsticks waste for fermentative hydrogen production by an enriched culture from a hot spring

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Journal of Environmental Sciences 2014年第6期26卷 1361-1368页

作者： Kanthima Phummala Tsuyoshi Imai Alissara Reungsang Prapaipid Chairattanamanokorn Masahiko Sekine Takaya Higuchi Koichi Yamamoto ariyo kanno Division of Environmental Science and Engineering Graduate School of Science and Engineering Yamaguchi University Yamaguchi 7558611Japan Department of Biotechnology Faculty of Technology Khon Kaen University Khon Kaen 40000 Thailand Environmental Technology Unit Department of Environmental Science Kasetsart University Bangkok 10903 Thailand Division of Civil and Environmental Engineering Graduate School of Science and Engineering Yamaguchi University Yamaguchi 7558611 Japan

Hydrogen （H2） production from lignocellulosic materials may be enhanced by removing lignin and increasing the porosity of the material prior to enzymatic hydrolysis. Alkaline pretreatment conditions, used to delignify disposable wooden chopsticks （DWC） waste, were investigated. The effects of NaOH concentration, temperature and retention time were examined and it was found that retention time had no effect on lignin removal or carbohydrate released in enzymatic hydrolysate. The highest percentage of lignin removal （41%） was obtained with 2% NaOH at 100℃, correlated with the highest carbohydrate released （67 mg/gpretreated DWC） in the hydrolysate. An enriched culture from a hot spring was used as inoculum for fermentative H2 production, and its optimum initial pH and temperature were determined to be 7.0 and 50℃, respectively. Furthermore, enzymatic hydrolysate from pretreated DWC was successfully demonstrated as a substrate for fermentative H2 production by the enriched culture. The maximum H2 yield and production rate were achieved at 195 mL H2/g total sugarsconsumed and 1 16 mL Hz/（L.day）, respectively.

关键词： alkaline pretreatment disposable wooden chopsticks waste fermentative hydrogen production hot spring enriched culture

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A Novel Insertion Solution for the Travelling Salesman Problem

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Computers, Materials & Continua 2024年第4期79卷 1581-1597页

作者： Emmanuel Oluwatobi Asani Aderemi Elisha Okeyinka Sunday Adeola Ajagbe Ayodele ariyo Adebiyi Roseline Oluwaseun Ogundokun Temitope Samson Adekunle Pragasen Mudali Matthew Olusegun Adigun Department of Computer Science Landmark UniversityOmu Aran251103Nigeria SDG 11 Group Landmark UniversityOmu Aran251103Nigeria Department of Computing MiVA UniversityAbuja900211Nigeria Department of Computer Science Ibrahim Badamasi Babangida UniversityLapai911101Nigeria Department of Computer Science University of ZululandKwadlangezwa3886South Africa Department of Computer&Industrial Production Engineering First Technical UniversityIbadan200243Nigeria Department of Multimedia Engineering Kaunas University of TechnologyKaunasLT-44249Lithuania Department of Computer Science Colorado State UniversityFort Collins80523USA

The studypresents theHalfMax InsertionHeuristic (HMIH) as a novel approach to solving theTravelling SalesmanProblem (TSP). The goal is to outperform existing techniques such as the Farthest Insertion Heuristic (FIH) andNearest Neighbour Heuristic (NNH). The paper discusses the limitations of current construction tour heuristics,focusing particularly on the significant margin of error in FIH. It then proposes HMIH as an alternative thatminimizes the increase in tour distance and includes more nodes. HMIH improves tour quality by starting withan initial tour consisting of a ‘minimum’ polygon and iteratively adding nodes using our novel Half Max routine.The paper thoroughly examines and compares HMIH with FIH and NNH via rigorous testing on standard TSPbenchmarks. The results indicate that HMIH consistently delivers superior performance, particularly with respectto tour cost and computational efficiency. HMIH’s tours were sometimes 16% shorter than those generated by FIHand NNH, showcasing its potential and value as a novel benchmark for TSP solutions. The study used statisticalmethods, including Friedman’s Non-parametric Test, to validate the performance of HMIH over FIH and NNH.This guarantees that the identified advantages are statistically significant and consistent in various situations. Thiscomprehensive analysis emphasizes the reliability and efficiency of the heuristic, making a compelling case for itsuse in solving TSP issues. The research shows that, in general, HMIH fared better than FIH in all cases studied,except for a few instances (pr439, eil51, and eil101) where FIH either performed equally or slightly better thanHMIH. HMIH’s efficiency is shown by its improvements in error percentage (δ) and goodness values (g) comparedto FIH and NNH. In the att48 instance, HMIH had an error rate of 6.3%, whereas FIH had 14.6% and NNH had20.9%, indicating that HMIH was closer to the optimal solution. HMIH consistently showed superior performanceacross many benchmarks, with lower percentage error and higher goodness

关键词： Nearest neighbour heuristic farthest insertion heuristic half max insertion heuristic tour construction travelling salesman problem

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Inactivation effect of pressurized carbon dioxide on bacteriophage Qβ and ΦX174 as a novel disinfectant for water treatment

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Journal of Environmental Sciences 2014年第6期26卷 1301-1306页

作者： Huy Thanh Vo Tsuyoshi Imai Truc Thanh Ho Masahiko Sekine ariyo kanno Takaya Higuchi Koichi Yamamoto Hidenori Yamamoto Faculty of Engineering Yamaguchi University 2-16-1 TokiwadaiYamaguchi 755-8611 Japan Faculty of Urban Engineering Central University of ConstructionTuy Hoa Phu Yen 56000 Vietnam

The inactivation effects of pressurized CO2 against bacteriophage Qβ and ФX 174 were investigated under the pressure of 0.3-0.9 MPa, initial concentration of 107-109 PFU/mL, and temperature of 17.8℃-27.2℃. 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 ФX174. The viricidal effects of N2O （an inactivation gas with similar characteristics to CO2）, normal acid （HC1）, 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.

关键词： bacteriophage Qβ bacteriophage ФX174 pressurized CO2 viricidal effect microbubbles water disinfection

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Response surface method for modeling the removal of carbon dioxide from a simulated gas using water absorption enhanced with a liquid-film-forming device

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Journal of Environmental Sciences 2018年第3期30卷 116-126页

作者： Diem-Mai Kim Nguyen Tsuyoshi Imai Thanh-Loc Thi Dang ariyo kanno Takaya Higuchi Koichi Yamamoto Masahiko Sekine Graduate School of Environmental Sciences and Engineering Yamaguchi University Graduate School of Sciences and Technology for Innovation Yamaguchi University Department of Environmental Science College of Sciences Hue University

This paper presents the results from using a physical absorption process to absorb gaseous CO2mixed with N2using water by producing tiny bubbles via a liquid-film-forming device（LFFD）that improves the solubility of CO2in water.The influence of various parameters—pressure,initial CO2concentration,gas-to-liquid ratios,and temperature—on the CO2removal 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 CO2capture can be reached in conditions such as low pressure,high CO2concentration 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,CO2concentration of 35%,gas/liquid ratio of 0.71,and temperature of 15℃.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 CO2capture in air pollution treatment.

关键词： Carbon dioxide Water dissolution Liquid-film Response surface method （RSM）

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Potential of Magnesium Chloride for Nutrient Rejection in Forward Osmosis

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Journal of Water Resource and Protection 2015年第9期7卷 730-740页

作者： Yatnanta Padma Devia Tsuyoshi Imai Takaya Higuchi ariyo kanno Koichi Yamamoto Masahiko Sekine Tuan Van Le Division of Environmental Science and Engineering Graduate School of Science and Engineering Yamaguchi University Ube-shi Japan Department of Civil Engineering Brawijaya University Malang Indonesia Division of Civil and Environmental Engineering Graduate School of Science and Engineering Yamaguchi University Ube-shi Japan Department of Environmental Science Hue University of Science Hue City Vietnam

Wastewater may contain high levels of the nutrients: nitrogen and phosphorus. Excessive release of nutrients to the environment can cause severe environmental problem such as eutrophication leading to algal blooms, oxygen deficiency, and fish kills. The forward osmosis (FO) could be a choice of treatment. FO process presents the results of using four kinds of variation in concentration of magnesium chloride (MgCl2) as draw solution and the two kinds of commercial membranes for nutrient rejection in the same cross flow velocity at 0.25 m/s and temperature at 25°C. Nutrients consisting of nitrogen (nitrite, nitrate, and ammonium) and phosphorus (phosphate) in feed solution were successfully rejected with an efficiency of mostly more 95%. The water flux in membrane HTI-NW achieved lower 7.55 - 9.61 L/m2·hr than in membrane HTI-ES that exceeds until 13.58 - 15.10 L/m2·hr. The reverse solute in membrane HTI-NW is seemly constant along all concentration of DS MgCl2 that the chloride diffusion is slightly higher than magnesium. In membrane HTI-ES, the reverse solute of chloride was almost three times than that of magnesium. The concentration of MgCl2 plays a significant role in rejecting nutrients by the Donnan’s potential and the diffusion constant in low and high concentration of DS, respectively.

关键词： Forward Osmosis Magnesium Chloride Nutrient

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Sustainable flood management strategies for resilient cities

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International Journal of Agricultural and Biological Engineering 2023年第4期16卷 269-270页

作者： Samuel ariyo Okaiyeto Jun Wang Hongwei Xiao College of Engineering China Agricultural UniversityBeijing 100083China College of Economics and Management China Agricultural UniversityBeijing 100083China

The world is suffering more and more serious climate change events this summer[1]:temperature records broken constantly,ocean waters as warm as hot tubs,floods are raging around the world.It has been confirmed that the July 2023 was the hottest month in recorded history and the average global temperature was 1.54ºC above the preindustrial average for July[2].The world seems to be entering the tipping points of climate change beyond which climate change will occur more dramatic and quickly,become self-perpetuating and difficult or impossible to undo[3].

关键词： flood disasters management sustainable strategies resilient cities global climate change Zhuozhou city

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Generative AI in education: To embrace it or not ?

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International Journal of Agricultural and Biological Engineering 2023年第3期16卷 285-286页

作者： Samuel ariyo Okaiyeto Junwen Bai Hongwei Xiao College of Engineering China Agricultural UniversityBeijing 100083China School of Food and Biological Engineering Jiangsu UniversityZhenjiang 212013China

Generative Artificial Intelligence(AI)has gained immense popularity,but it has also brought forth new challenges and concerns in academia.One major worry is AI-assisted cheating,where students use Generative AI to complete assignments and exams,leading to some U.S.schools banning its usage on campus[1].However,the developers of ChatGPT,OpenAI,assured the public that they never intended ChatGPT to be used deceitfully in schools or elsewhere.They are already working on mitigations to make it easier for anyone to recognize text produced by that system[2].Open AI went ahead to state that they were looking forward to working with educators on practical solutions,and other ways to help teachers and students benefit from AI.

关键词： looking education schools

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Impacts of Recent Infection Testing Integration into HIV Surveillance in Ekiti State, South West Nigeria: A Retrospective Cross Sectional Study

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World Journal of AIDS 2022年第4期12卷 183-193页

作者： Daniel Chinenyeike Offie Leo Akpan Felix Okoh Owolagba Femi Ofuche Eke Michael Tomori Abimbola O. ariyo Christopher Omisakin APIN Public Health Initiatives Ado Ekiti Nigeria Federal Teaching Hospital Ido Ekiti Ido Ekiti Nigeria

Background: Timely detection of recent HIV infections is critical in achieving the HIV epidemic. The aim of this study was to evaluate the effects of integrating the Recent Infection Testing Algorithm in HIV surveillance in Ekiti State, South West Nigeria. Method: Data from the Nigeria Medical Records System (NMRS)/National Data Repository (NDR) and Index Testing (IT) Services data capturing tools were abstracted for a retrospective cross-sectional study of 719 newly diagnosed HIV-positive cases who were screened for HIV incident infection using Asante rapid recency test kits between August 2020 and June 2022 at 5 selected recency testing health facilities. The venous blood (10 ml) of all the rapid Asante tested recent patients were collected into an EDTA tube and processed for viral load testing. The plasma level of HIV-1 RNA was quantified using the CAP/CTM and cobas 4800 platform at Obafemi Awolowo University Teaching Hospital PCR Laboratory Ife. Chi-square was used to characterize the recency status of the patients. A measure of the association was done using Chi-square, while the p-value of 0.05 was considered statistically significant. Results: The median age of the participants was 39 years. The result from the study showed that of the total number of 719 new cases of diagnosed HIV-positive, 626 of them were screened for rapid Test for Recency infection (RTRI) (87%). Overall, we found that 1.8% (11/626) of clients were classified as recent. The investigation also showed that from the index cases of the 11 confirmed recent infections, a total number of 125 additional positive cases were found. Conclusion: This result indicated a rise in the number of cases discovered in the State. Therefore, incorporating recency testing within regular HIV testing programs becomes essential in order to prioritize clients for index testing and provide useful information on transmission clusters.

关键词： Impacts Recent Testing HIV Surveillance

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