scholarly journals Far UV-C lights and fiber optics induced and selective far UV-C treatment against COVID-19 for fatality-survival tradeoff

Author(s):  
Imran Haider ◽  
Asad Ali ◽  
Tooba Arifeen ◽  
Abdus Sami Hassan

<p>This work focuses on the usability of Ultraviolet (UV) on humans as an economical way of contesting against COVID-19. Specifically, far-UVC is presented as a promising candidate against COVID-19 since it can inactivate pathogens including viruses and bacteria without harming mammalian skin or eyes. Furthermore, the work also points out the applicability of far-UVC lights for public spaces and treatment of selective region in COVID-19 patients by using fiberoptic as the medium for high-risk cases where chances of survival are low and such treatment may avoid fatality due to the COVID-19.</p>

2020 ◽  
Author(s):  
Imran Haider ◽  
Asad Ali ◽  
Tooba Arifeen ◽  
Abdus Sami Hassan

<p>This work focuses on the usability of Ultraviolet (UV) on humans as an economical way of contesting against COVID-19. Specifically, far-UVC is presented as a promising candidate against COVID-19 since it can inactivate pathogens including viruses and bacteria without harming mammalian skin or eyes. Furthermore, the work also points out the applicability of far-UVC lights for public spaces and treatment of selective region in COVID-19 patients by using fiberoptic as the medium for high-risk cases where chances of survival are low and such treatment may avoid fatality due to the COVID-19.</p>


2021 ◽  
Vol 103 (4) ◽  
Author(s):  
Mary L. Cummings ◽  
Hala Nassar ◽  
Vishwa Alaparthy

AbstractWhile increasingly popular, small unmanned aerial vehicles, aka drones, are often flown illegally over outdoor public gatherings or public facilities like prisons, threatening the safety of those nearby. There is a clear need to address interloping drones in public spaces from a sociotechnical perspective, including understanding the tradespace of variables. Through surveys, interviews, technology and infrastructure design, and experimentation, we developed a tradespace model of those variables that managers and designers of high-risk settings like public spaces and prisons need to consider in their development or renovation. These include cost considerations, both capital and infrastructure, as well as technology design elements of range and false alarm rates potentially exacerbated by convolutional neural networks (aka, deep learning). Results also highlight that environmental design elements can provide a possible low-tech solution in the design of obstructions that either eliminate or complicate a drone pilot’s line of sight. This effort demonstrates that managers and designers of high-risk settings like public spaces and prisons will have to balance sometimes competing objectives to obtain the best possible outcomes for public safety.


Author(s):  
Dr. Archana Shirbhate ◽  
Prof. Shahid Arafat ◽  
Dnyaneshwari Chhanikar ◽  
Yashraj Singh ◽  
Yash Patil ◽  
...  

The corona virus pandemic has shook the entire world and the major precautionary measure for this is to wear masks. The demand and supply of these masks has increased drastically, with majority of population using surgical three, two or one ply masks which is generally thrown after its use. The first thing that is in contact with the masks is nose and mouth of the person wearing it. These masks are becoming carrier of the virus due to improper disposal methods used. Until the masks are not disinfected they are not safe to be disposed in dumping yards. There are many rag pickers who enter the dumping yards to collect recyclable wastes or the person who collects the garbage from individual homes become people of high risk to the exposure of this virus. The proposed work presents a novel approach to eliminate this problem by employing a smart electronic bin which has a disinfection section which will disinfect the masks using UV-C lights and then it will be dumped into the bin installed just below the unit. This bin has a level sensor which will monitor the level of waste in the bin and whenever it gets full, it will notify the concerned authority on his mobile using Blynk app. The Blynk app interface is designed to present the status of level of waste in the bin.


Author(s):  
James F. Mancuso ◽  
William B. Maxwell ◽  
Russell E. Camp ◽  
Mark H. Ellisman

The imaging requirements for 1000 line CCD camera systems include resolution, sensitivity, and field of view. In electronic camera systems these characteristics are determined primarily by the performance of the electro-optic interface. This component converts the electron image into a light image which is ultimately received by a camera sensor.Light production in the interface occurs when high energy electrons strike a phosphor or scintillator. Resolution is limited by electron scattering and absorption. For a constant resolution, more energy deposition occurs in denser phosphors (Figure 1). In this respect, high density x-ray phosphors such as Gd2O2S are better than ZnS based cathode ray tube phosphors. Scintillating fiber optics can be used instead of a discrete phosphor layer. The resolution of scintillating fiber optics that are used in x-ray imaging exceed 20 1p/mm and can be made very large. An example of a digital TEM image using a scintillating fiber optic plate is shown in Figure 2.


Author(s):  
Chung-kook Lee ◽  
Yolande Berta ◽  
Robert F. Speyer

Barium hexaferrite (BaFe12O19) is a promising candidate for high density magnetic recording media due to its superior magnetic properties. For particulate recording media, nano-sized single crystalline powders with a narrow size distribution are a primary application requirement. The glass-crystallization method is preferred because of the controllability of crystallization kinetics, hence, particle size and size distribution. A disadvantage of this method is the need to melt raw materials at high temperatures with non-reactive crucibles, e.g. platinum. However, in this work, we have shown that crystal growth of barium hexaferrite occurred during low temperature heat treatment of raw batches.


1982 ◽  
Vol 47 (4) ◽  
pp. 373-375 ◽  
Author(s):  
James L. Fitch ◽  
Thomas F. Williams ◽  
Josephine E. Etienne

The critical need to identify children with hearing loss and provide treatment at the earliest possible age has become increasingly apparent in recent years (Northern & Downs, 1978). Reduction of the auditory signal during the critical language-learning period can severely limit the child's potential for developing a complete, effective communication system. Identification and treatment of children having handicapping conditions at an early age has gained impetus through the Handicapped Children's Early Education Program (HCEEP) projects funded by the Bureau of Education for the Handicapped (BEH).


1983 ◽  
Vol 48 (1) ◽  
pp. 110-110

For the November 1982 JSHD article, "A Community Based High Risk Register for Hearing Loss," the author would like to acknowledge three additional individuals who made valuable contributions to the study. They are Marie Carrier, Gene Lyon, and Bobbie Robertson.


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