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ZnSe Nanoparticles Reinforced Biopolymeric Soy Protein Isolate Film

Journal of Renewable Materials 2019年第8期7卷 749-761页

作者： Rakesh Kumar Reshma Praveen shikha rani K.Sharma K.P.Tiwary K.Dinesh Kumar Department of Biotechnology Central University of South BiharGayaIndia Department of Applied Chemistry Birla Institute of Technology MesraPatna CampusPatnaIndia Department of Applied Physics Birla Institute of Technology MesraPatna CampusPatnaIndia Department of Materials Science&Engineering Indian Institute of TechnologyPatnaIndia

ZnSe nanoparticles have been synthesized by microwave assisted method by using zinc chloride,selenium powder and ethylene *** synthesized nanoparticles have been characterized structurally by FT-IR and XRD as well as morphological characterization was done by scanning electron microscope(SEM).The crystallite size after synthesis was obtained around 30 nm for pure ZnSe ***,from SEM micrograph,agglomerated ZnSe nanoparticles of irregular shapes were *** as-synthesized ZnSe nanoparticles at different contents(1 to 5%w/w w.r.t SPI)were incorporated into soy protein isolate(SPI)to produce reinforced SPI films by solution casting *** ZnSe nanoparticles incorporated SPI suspensions were subjected to molecular mass and specific conductivity *** and ZnSe nanoparticles incorporated SPI films were structurally and mechanically characterized by FT-IR and tensile properties,*** and water uptake studies were also carried out for ZnSe nanoparticles incorporated SPI *** tensile strength and modulus increased from 5.80 MPa to 10.06 MPa and 18.84 MPa to 94.70 MPa with the increase in the contents of ZnSe nanoparticles from 0 to 5%.Moreover,the results also revealed a good antibacterial effect in ZnSe nanoparticles incorporated SPI *** main application of nanoparticles incorporated SPI film will be in the area of biodegradable packaging.

关键词： Soy protein isolate ZnSe nanoparticles reinforced film tensile properties antimicrobial properties

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Technologically Advanced Reusable 3D Face Shield for Health Workers Confronting COVID19

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Computers, Materials & Continua 2022年第8期72卷 2565-2579页

作者： Rajesh Kumar Kaushal Naveen Kumar Vinay Kukreja Fahd S.Alharithi Ahmed H.Almulihi Arturo Ortega Mansilla shikha rani Chitkara University Institute of Engineering and Technology Chitkara University140401PunjabIndia Department of Computer Science College of Computers and Information TechnologyTaif UniversityTaif21944Saudi Arabia Higher Polytechnic School Universidad Europea del AtlánticoC/Isabel Torres 2139011SantanderSpain Department of Project Management Universidad Internacional IberoamericanaCampeche24560Mexico National Institute of Technology Kurukshetra136119HaryanaIndia

The probability of medical staff to get affected from COVID19 is much higher due to their working environment which is more exposed to infectious ***,as a preventive measure the body temperature monitoring of medical staff at regular intervals is highly *** temperature sensing guns have proved its effectiveness and therefore such devices are used to monitor the body *** devices are either used on hands or *** a result,there are many issues in monitoring the temperature of frontline healthcare ***,these healthcare professionals keep wearing PPE(Personal Protective Equipment)kits during working hours and as a result it would be very difficult to monitor their body ***,these healthcare professionals also wear face shields and in such cases monitoring temperature by exposing forehead needs removal of face *** so after regular intervals is surely uncomfortable for healthcare *** avoid such issues,this paper is disclosing a technologically advanced face shield equipped with sensors capable of monitoring body temperature instantly without the hassle of removing the face *** face shield is integrated with a built-in infrared temperature sensor.A total of 10 such face shields were printed and assembled within the university lab and then handed over to a group of ten members including faculty and students of nursing and health science *** sequence was repeated four times and as a result 40 healthcare workers participated in the ***,feedback analysis was conducted on questionnaire data and found a significant overall mean score of 4.59 out of 5 which indicates that the product is effective and worthy in every *** analysis is also performed in the simulated environment and found that the device can easily withstand the typically applied *** limitations of this product are difficulty in cleaning the product and comparatively hig

关键词： Temperature sensing face shield electronic 3D face shield IoT enabled face-shield

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