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The growth of biopolymers and natural earthen sources as membrane/separator materials for microbial fuel cells:A comprehensive review

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Journal of Energy Chemistry 2023年第5期80卷 402-431,I0010页

作者： Gowthami palanisamy Sadhasivam Thangarasu Ranjith Kumar Dharman Chandrashekar S.Patil thakur prithvi pal singh negi Mahaveer D.Kurkuri Ranjith Krishna Pai Tae Hwan Oh School of Chemical Engineering Yeungnam UniversityGyeongsan 38541Republic of Korea Centre for Research in Functional Materials(CRFM) JAIN(Deemed-to-be University)Jain Global CampusBengaluru 562112KarnatakaIndia Technology Mission Division-(Energy&Water) Department of Science and Technology(DST)Ministry of Science and Technology-Govt.of IndiaNew Delhi 110016India

Microbial fuel cell(MFC)technology has emerged as an effective solution for energy insecurity and ***,identifying suitable components(particularly separators or membranes)with the required properties,such as low cost and high performance,remains challenging and restricts practical *** membranes,such as Nafion,exhibit excellent performance in ***,these membranes have high production costs,which considerably increase the overall MFC unit cell *** the numerous types,the separators or membranes developed from biopolymers and naturally occurring earthen sources have proven to be a novel and efficient concept due to their natural abundance,cost-effectiveness(approximately$20 m^(-2),$5 m^(-2),and$1 kg-1for biopolymers,ceramics,and earthensources,respectively),structural properties,proton transportation,manufacturing and modification ease,and environmental *** this review,we emphasize cost-effective renewable green materials(biopolymers,bio-derived materials,and naturally occurring soil,clay,ceramics or minerals)for MFC applications for the first *** with good thermal,mechanical,and water retention properties,sustainability,and environmental friendliness,such as cellulose and chitosan,are typically ***,the modification or introduction of various functional groups in biopolymers to enhance their functional properties and scale MFC power density is ***,separator/membrane development using various bio-sources(such as coconut shells,banana peels,chicken feathers,and tea waste ash)is ***,naturally occurring sources such as clay,montmorillonite,and soils(including red,black,rice-husk,and Kalporgan soil)for MFC were *** conclusion,the existing gap in MFC technology was filled by providing recommendations for future aspects based on the barriers in cost,environment,and characteristics.

关键词： Biomembrane Bioseparator Microbial fuel cell Energy harvesting Bioenergy Wastewater treatment

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Ethnobotanical and Indigenous Knowledge of Important Plants in East Hararghe, Eastern Ethiopia

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Journal of Mountain Science 2015年第6期12卷 1521-1533页

作者： Laxman singh KANDARI Tripti negi Ashok Kumar thakur Eshetu YILMA Department of Forestry Himgiri Zee University Don Paramedical college and Hospital School of Plant Science College of Agriculture and Environmental Sciences Haramaya University

An ethnobotanical study was conducted in East Hararghe, Ethiopia to identify and investigate the use of various plants by the traditional healers and communities engaged in domestic, pesticide and medicinal use. A total of 78 species were observed to be used by the local inhabitants in the region for the treatments of various ailments. Out of these, herbs constitute 49% followed by trees(36%) and shrubs only 15%. However, most frequently used plant parts were leaf and aerial parts(20) followed by seed(13), fruit(12), other parts(10), rhizome(7) and bark(1). Most of the plants were found to be used for medicinal, aromatic and food flavouring(spices, condiments) purposes. Out of 78 species recorded in the present study, 11 were reported to cure stomachache, seven for cold, cough and respiratory problem, six for diarrhoea and five species were found capable of curing fever. Fabaceae was the largest family contributing to medicinal plant use with seven species followed by Solanaceae, Myrtaceae,(5 spp.), and Zingiberaceae, Asteraceae, Liliaceae(4 spp. each). Some of the important plants utilized for taking care of variety of ailments are Azadirachta indica, Brassica nigra, Balanites aegyptiaca, Maytenus ovatus, Rosmarinus officinalis and Trigonella foenum graecum. Most of these medicinal and aromatic plants(MAPs) play a significant role in the household economy and were observed to be very popular among the people. Unpopular plants were left out of the study. This study provides useful and basic information on usage of different plants for conducting further studies aimed at conservation and documentation of traditional medicine system and economic welfare of rural peoples of the East Hararghe, Ethiopia. It also revealed that indigenous practices contributed to sustainable management of plants.

关键词： Ethnobotany Medicinal plants Primary health care Traditional knowledge East Hararghe

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Effect of COVID-19 pandemic on blood transfusion service:an experience from a regional blood transfusion center

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Blood Science 2023年第3期5卷 209-217页

作者： Sanjay K.thakur Anil K.Sinha Dinesh K.negi Sompal singh PhD Research Scholar P.G.Department of ZoologyVeer Kunwar Singh UniversityAraBihar 802301India Dean Faculty of Science and Head P.G.Department of Zoology Veer Kunwar Singh UniversityAraBihar 802301India Former CMO In charge Department of RBTCHindu Rao HospitalDelhi 110007India Specialist Pathologist Head Department of Regional Blood Transfusion Centre and Department of PathologyHindu Rao HospitalDelhi 110007India

The unforeseen and uncertain life-threatening situation of the COVID-19 pandemic dramatically affected all areas of the human daily work *** study was designed to assess the impact of the COVID-19 pandemic on blood transfusion services and discuss the adopted confrontation measures for uninterrupted blood supply during the pandemic *** data on blood donation,blood component preparation,and issue from January 2019 to December 2022 were collected from the inventory registers of the RBTC,Delhi,*** to the non-pandemic year 2019,during the year 2020,all variables decreased *** observed maximum decrease in variables such as blood collection(–79.16%)in the month of October,blood issue(–71.61%)in the month of August,random donor platelets(RDP)preparation(–98.09%)in the month of October,RDP issue(–86.08%)in the month of September,fresh frozen plasma(FFP)preparation(–100%)in the month of October,and FFP issue(–96.08%)in the month of July with an annual decrease of–45.52%,–42.87%,–33.00%,–59.79%,–40.98%,and–54.48%,respectively,as compared to year *** to year 2020,in year 2021,the annual increase in blood collection,blood issue,FFP preparation,FFP issue,RDP preparation,and RDP issue was+50.20%,+21.68%,+65.31%,+78.52%,+116.23%,and+213.30%,*** study results show that the COVID-19 pandemic has significantly affected blood transfusion services at our blood *** adopted coping strategies to maintain the safe and uninterrupted blood transfusion chain at our blood bank gave us lessons for future preparedness if faced with a similar situation.

关键词： Blood bank inventory Blood components Blood recipients Blood transfusion COVID-19 pandemic

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