Ultraviolet Germicidal Irradiation Handbook: UVGI for Air and Surface Disinfection

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Author : Wladyslaw Kowalski
Genre : Technology & Engineering

Summary : This reference covers technical information on ultraviolet germicidal irradiation and its application to air and surface disinfection and the control of pathogens and allergens. Its main focus is airborne microbes and surface contamination applications.

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Author : Lluís Palou
Genre : Technology & Engineering

Summary : Optimal distribution of fresh horticultural products entails prolonging their freshness and nutritional quality as long as possible after harvest. A major limitation to their marketing is decay after harvest, which is caused primarily by fungal pathogens. Postharvest Pathology of Fresh Horticultural Produce provides a comprehensive resource of information about the biology and control of postharvest diseases of many fresh horticultural products, citing sources from appropriate literature of any age, rather than only the most recent. The etiology and symptoms of postharvest diseases and the biology of postharvest pathogens are reviewed by leading experts, who are familiar with many of world’s most popular fresh fruits and vegetables and the diseases that affect them. Key aspects related to infection and epidemiology, methods to minimize postharvest decay losses, including use of conventional fungicides and alternative management strategies, harvest and handling practices, and other aspects are described for the most significant temperate, subtropical, and tropical fruits as well as fruit-like vegetables and leafy vegetables. Features: Provides comprehensive academic and practical reviews of postharvest diseases of fresh fruits and vegetables Discusses the economic importance, etiology, and epidemiology of the most significant postharvest diseases Includes quality color plates that allow the practical identification of disease symptoms Explains practical postharvest disease management actions, including the use of conventional fungicides and alternatives to their use The authors summarize a massive quantity of published information, and often apply their own considerable practical experience to identify and interpret the most significant information. This book is a valuable and comprehensive resource for industry professionals, academics, educators, students, consultants, pest control advisors, regulatory personnel, and others interested in this subject.

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Author : Wladyslaw Kowalski
Genre : Nature

Summary : Although nosocomial, or hospital-acquired, infections have been well cataloged and are fairly well understood, traditional solutions have failed to completely eliminate the problem. Even the most modern hospitals find themselves stymied by the persistence of these pathogens in hospital wards and operating rooms. The degree to which most of these infections are airborne is not known, but a growing body of evidence indicates that airborne transmission plays a role in many hospital-acquired infections. Addressing one of the most important topics in health care, Hospital Airborne Infection Control is the first book to deal with the control of airborne nosocomial infections in detail. It identifies all pathogens known or suspected to be airborne, along with their sources in hospital environments. It also summarizes all epidemiological evidence for airborne transmission. The text addresses respiratory, surgical site, burn wound, immunocompromised, pediatric, nursing home, and non-respiratory infections. In each category, an extensive number of examples show that inhalation is not the only airborne route by which infections may be transmitted. Noting that airborne transmission and surface contamination are virtually inseparable, the author emphasizes that both air and surface disinfection, including hand hygiene, are important factors in controlling the transmission of airborne disease. He also proposes a variety of new solutions and technologies, including ultraviolet, ionization, ozone, plasma, and vegetative air cleaning systems. A compendium of scientific and medical information, this book helps hospitals control nosocomial infections and outbreaks spread by the airborne route as well as by direct contact and contact with fomites or contaminated equipment.

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Author : C. K. Sunil
Genre : Technology & Engineering

Summary : Food preservation has existed since time immemorial with techniques that focused on prolonging shelf-life of food products. The current challenge, though, is to preserve food in terms of loss of nutrients, texture, and sensorial characteristics along with prolonging its shelf-life. This new volume, Nonthermal Light-Based Technologies in Food Processing, explores and provides in-depth knowledge and understanding of current and emerging light-based technologies and their application in food processing. This book also introduces the role of nonthermal technology for novel food product development. In four detailed parts, this handbook covers light-based technologies, ultraviolet (UV) light technology, pulsed light (PL) technology, and light-emitting diode (LED) technology. It details a range of modern and emerging light-based food preservation technologies that include ozone, ohmic heading, high-pressure processing, cold plasma, pulsed electric field (PEF), microwave, irradiation, light-based technologies (ultraviolet, pulsed light, light-emitting diode [LED]), supercritical fluid extraction, cold plasma, and more. Each technology is thoroughly covered, starting with an introduction and proceeding to design, applications, and quality and regulatory aspects, providing comprehensive knowledge and detailed explanations. This book will be a valuable resource on nonthermal light-based technologies in food processing for many academicians and professionals in the field of food science, food technology, and food engineering around the world. It will also act as an important reference for researchers, students, scholars, industries, universities, and research centers.

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Author : Hang Su
Genre : Technology & Engineering

Summary :

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Author : Deepak Rawtani
Genre : Technology & Engineering

Summary : THE ENVIRONMENTAL IMPACT OF COVID-19 Discover the wider environmental effects of the COVID-19 pandemic with this up to date resource from leading voices in the field The Environmental Impact of COVID-19 delivers an insightful analysis of various environmental aspects of the COVID-19 pandemic that have caused global concern. The book discusses the transmission of COVID-19 in the environment, the pandemic’s environmental impact, risk mitigation and management, management of COVID-related waste, and the environmental implications of the virus. It also considers the socio-economic implications of COVID-19’s spread, including the effects of international lockdowns on different strata of society and various industries, including the biomedical industry, the environmental industry, and the pharmaceutical industry. An entire section of the text is devoted to a discussion about the waste generated due to COVID-19 and the effect of that waste on different environmental bodies. Another is dedicated to the impact of COVID-19 on the environment in the short- and long-term, including its effect on climate and climate change. Readers will also benefit from the inclusion of: A thorough introduction to the transmission of COVID-19 in the environment, including its viability in different environmental media and the effect of environmental factors in its transmission An evaluation and analysis of COVID-19, including traditional analytical techniques and sampling for COVID-19 and modern sensor-based techniques for identification An exploration of the socio-economic implications of COVID-19, including its effect on a variety of industries A treatment of the environmental impact of COVID-19 in the context of risk mitigation and management Perfect for academics and industry professionals whose work requires them to understand the wider environmental implications of the SARS-Cov-2 pandemic, The Environmental Impact of COVID-19 will also earn a place in the libraries of private sector professionals working on products and services that aim to reduce the environmental impact of the coronavirus.

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Author : Wladyslaw Kowalski
Genre : Technology & Engineering

Summary : Solve any building air quality problem A complete reference for the design of air filtration systems and HVAC systems used in homes, schools, hospitals, laboratories, or animal facilities, this book offers complete descriptions of each of the major technologies currently used for air disinfection. Each subject, chemical or microbial, is treated in sufficient detail to allow the design of these components to solve specific building air quality problems. Design solutions for control of gases and odors Recommended technologies and methods to combat biological terrorist weapons in HVAC systems Diagnosis of air quality problems Complete airborne pathogen database for the identification of infection risk