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Thematische Bibliographien / Disinfection / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Disinfection“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 25. Juli 2025

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1

Park, Jinhee, and Soo Jung Chang. "Effect of Skin Disinfection according to the Disinfection Frequency in Peripheral Intravenous Therapy." Journal of Korean Academy of Fundamentals of Nursing 27, no. 4 (2020): 366–74. http://dx.doi.org/10.7739/jkafn.2020.27.4.366.

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Purpose: For this study the effect of skin disinfection according to the disinfection frequency in peripheral intravenous therapy was examined.Methods: One hundred and twenty skin disinfections, three sections on the right forearm and three sections on the left forearm, were performed on each of 20 seniors in the school of nursing, and 240 microbial cultures were performed before and after the skin disinfection at each site. Single-use sterile packaged 83% alcohol cotton was used to disinfect. The skin was disinfected once, twice, or three times for 5 seconds per session and then allowed to dr

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Yao, Yanyan, Yoshinobu Kubota, Taketoshi Murakami, et al. "Electrochemical inactivation kinetics of boron-doped diamond electrode on waterborne pathogens." Journal of Water and Health 9, no. 3 (2011): 534–43. http://dx.doi.org/10.2166/wh.2011.050.

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A boron-doped diamond (BDD) electrode was constructed as a water disinfector for the inactivation of water borne pathogens. The bactericidal effect of the disinfector was evaluated on artificially contaminated waters containing, respectively, Escherichia coli, Pseudomonas aeruginosa and Legionella pneumophila at high density. By treating the bacterial suspensions with 4 V of constant voltage between the BDD and the counter-electrode for 50 min, the population of E. coli and P. aeruginosa decreased from (10E + 7–8 colony-forming unit mL−1) to below the detection limits of the colony-formation m

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Kozak, Sergey S., Ilia F. Radayev, and Yulia A. Kozaк. "«TM-FORMODEZ» DISINFECTOR USAGE IN SANITARY POULTRY SLAUGHTERING DEPARTMENT." Problems of veterinary sanitation, hygiene and ecology 2, no. 46 (2023): 161–66. http://dx.doi.org/10.36871/vet.san.hyg.ecol.202302005.

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The results have been given of «TM-Formodez» («TMF») disinfector disinfecting properties investigation. It has been shown that 0.6% «TMF» solution using for disinfection of premises, equipment, packages and transports is effective with 20°C solution temperature and 20 min. exposition and solution consumption norm 0.5 l/m2. This treatment decreases QMAFAnM to normative indicators and inactivates E. coli.

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Tuleshov, Amandyk, Nutpulla Jamalov, Nurbibi Imanbayeva, and Ayaulym Rakhmatulina. "Design and construction of a multifunctional disinfection robot." Eastern-European Journal of Enterprise Technologies 1, no. 1 (115) (2022): 16–23. http://dx.doi.org/10.15587/1729-4061.2022.252045.

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This paper proposes a robot designed for automated routine or emergency disinfection in closed premises. The robot is related to the combined type robots. The robot consists of two functional parts: a universal mobile platform (lower part) and a disinfector (upper part), which, if necessary, can be freely moved by personnel on 4 wheels. In the initial position, the upper part of the disinfection robot is at the charging station. The mobile robot drives up to the disinfector, «hooks» it (puts it on itself) and moves along the planned route. The upper part of the disinfector will have its own in

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Amandyk, Tuleshov, Jamalov Nutpulla, Imanbayeva Nurbibi, and Rakhmatulina Ayaulym. "Design and construction of a multifunctional disinfection robot." Eastern-European Journal of Enterprise Technologies 1, no. 1 (115) (2022): 16–23. https://doi.org/10.15587/1729-4061.2022.252045.

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This paper proposes a robot designed for automated routine or emergency disinfection in closed premises. The robot is related to the combined type robots. The robot consists of two functional parts: a universal mobile platform (lower part) and a disinfector (upper part), which, if necessary, can be freely moved by personnel on 4 wheels. In the initial position, the upper part of the disinfection robot is at the charging station. The mobile robot drives up to the disinfector, «hooks» it (puts it on itself) and moves along the planned route. The upper part of the disinfector will hav

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Wang, Siyu. "Research and Design of Intelligent Anti-epidemic Disinfection Robot Based on ROS." Journal of Physics: Conference Series 2562, no. 1 (2023): 012050. http://dx.doi.org/10.1088/1742-6596/2562/1/012050.

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Abstract In the context of the global epidemic of COVID-19, in order to solve the problems of heavy disinfection and epidemic prevention tasks in densely populated indoor public places and a low degree of automation and intelligence, a smart anti-epidemic disinfection robot solution that integrates multiple disinfection methods is proposed. The solution is designed and developed based on the open-source robot operating system (ROS) with digital intelligent remote disinfection function, micron-level atomization disinfection function, and multi-angle ultraviolet light disinfection function, prov

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Kriš, J., K. Munka, E. Büchlerová, M. Karácsonyová, and L. Gajdoš. "Chlorine dioxide disinfection by-products in the Nová Bystrica-Čadca-Žilina long distance water supply system." Water Supply 6, no. 2 (2006): 209–14. http://dx.doi.org/10.2166/ws.2006.071.

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In a process of water disinfection it is necessary to distinguish between primary disinfection focused on removal or inactivation of microbiological contaminants from raw water, and secondary disinfection focused on maintenance of residual concentration of the disinfector in distribution system. Current practice related to disinfection follows two approaches. The paper presents results from a stage task solution “Research of physical-chemical changes in water quality during its distribution” at the Nová Bystrica-Čadca-Žilina long distance water supply system (LDWSS) focused on the presence of

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Buhl, Sebastian, Alexander Stich, Dario Clos, and Clemens Bulitta. "Cold plasma as a fast acting alternative disinfection method." Current Directions in Biomedical Engineering 8, no. 2 (2022): 21–22. http://dx.doi.org/10.1515/cdbme-2022-1006.

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Abstract Cold plasma disinfection is a cost-efficient and, above all, fast way of disinfecting even complex products. There are already approaches where plasma disinfection is used for wound treatment or hand disinfection. The ionization of a gas results in a number of physical and chemical processes that have a damaging effect on microorganisms. Especially in the field of medical device reprocessing, a tool that can reliably disinfect even very complex products in a short time would be a great asset. In this work, the potential of a newly developed cold plasma disinfection device was tested f

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Hao, Li Mei, та Hai Quan Jia. "The Study on Neutralizers of ε-Polylysine". Advanced Materials Research 512-515 (травень 2012): 2463–66. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.2463.

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In the research of bio-disinfector, it needs neutralizers to eliminate the antibacterial activity of disinfector during the disinfection experiment. But there was no report about the appropriate neutralizer of antibacterial peptides. In this paper, we study the neutralizer suitable for ε-polylysine by using the orthogonal design and optimize the combination of neutralizers. Then we performed the checkup experiment of neutralizer according to the method listed in Disinfection Technology Standard. Finally we successfully obtain the right neutralizer of ε-polylysine which is the combination of 0.

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冯, 丽燕. "Comparison of Disinfection Machine Procedures and Different Regular Disinfections on Disinfection Effect." Nursing Science 05, no. 02 (2016): 17–20. http://dx.doi.org/10.12677/ns.2016.52004.

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Qiu, Xing, Jeffery C. C. Lo, Yuanjie Cheng, and S. W. Ricky Lee. "Design and Implementation of Elevator Push-Buttons with Integrated Ultraviolet-C Light-Emitting Diode Light Sources for Disinfection." Inventions 10, no. 1 (2025): 4. https://doi.org/10.3390/inventions10010004.

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Background: More effective and automated techniques for disinfecting elevator push-buttons currently need to be developed, especially given that they are frequently touched by hundreds of individuals. Methods: An automatic elevator push-button disinfection device equipped with four 265 nm ultraviolet-C (UVC) light-emitting diode (LED) packages has been developed for disinfection after each touch to reduce the risk of infection. In this paper, the UVC leakage test, UVC LED package reliability test, and bacteria disinfection efficiency test were performed. Results: The disinfection efficiency fo

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Prakash, Jai, Suresh Babu Naidu Krishna, Promod Kumar, et al. "Recent Advances on Metal Oxide Based Nano-Photocatalysts as Potential Antibacterial and Antiviral Agents." Catalysts 12, no. 9 (2022): 1047. http://dx.doi.org/10.3390/catal12091047.

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Photocatalysis, a unique process that occurs in the presence of light radiation, can potentially be utilized to control environmental pollution, and improve the health of society. Photocatalytic removal, or disinfection, of chemical and biological species has been known for decades; however, its extension to indoor environments in public places has always been challenging. Many efforts have been made in this direction in the last two–three years since the COVID-19 pandemic started. Furthermore, the development of efficient photocatalytic nanomaterials through modifications to improve their pho

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Byers, Karin E., Lisa J. Durbin, Barbara M. Simonton, Anne M. Anglim, Karim A. Adal, and Barry M. Farr. "Disinfection of Hospital Rooms Contaminated With Vancomycin-ResistantEntemcocms faecium." Infection Control & Hospital Epidemiology 19, no. 4 (1998): 261–64. http://dx.doi.org/10.1017/s0195941700087373.

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ABSTRACTSixteen percent of hospital room surfaces remained colonized by vancomycin-resistant enterococci (VRE) after routine terminal disinfection. Disinfection with a new "bucket method" resulted in uniformly negative cultures. Conventional cleaning took an average of 2.8 disinfections to eradicate VRE from a hospital room, while only one cleaning was required with the bucket method.

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Radaev, Ilya, and Sergey Kozak. "Combination agent properties research for disinfection in departments for poultry." Poultry and Chicken Products 25, no. 5 (2023): 9–11. http://dx.doi.org/10.30975/2073-4999-2023-25-5-9-11.

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The test results have been presented in the paper for D4 combination agent disinfecting properties and corrosion activity. D4 has been established to be effective disinfection agent and may be recommended for disinfection with the next concentrations: 0.5–0.6% for processing department, 0.6% for poultry sanitary slaughtering with 20 min exposition and 0.5 l/m2 consumption rate. Working solutions have no corrosive effect on stainless steel with 17–19% of chromium and washes off well after disinfection.

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Kozak, S. S., V. G. Semenov, V. G. Tyurin, K. N. Biryukov, and V. V. Boronin. "Effects of shell disinfection with polyhexamethylene guanidine chloride on the safety and quality characteristics of edible eggs." IOP Conference Series: Earth and Environmental Science 981, no. 2 (2022): 022057. http://dx.doi.org/10.1088/1755-1315/981/2/022057.

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Abstract Infected shells are one of the main routes of human infection with Salmonella, which causes foodborne illness. To increase the microbiological safety of fresh chicken eggs and food egg products, shell disinfection is necessary. The presented work highlights the results of an experimental study of the disinfecting properties of an agent based on polyhexamethylene guanidine chloride (PHMG) and a veterinary and sanitary assessment of edible chicken eggs after shell disinfection. Disinfecting properties of PHMG, microbiological, organoleptic and quality indicators were established by stan

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ITABASHI, Takatsugu, Rika NAKAGAWA, and Masato FUJIMORI. "Residual Disinfector on Endoscope after Disinfection." Practica Oto-Rhino-Laryngologica 87, no. 11 (1994): 1573–78. http://dx.doi.org/10.5631/jibirin.87.1573.

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Yavnikov, N. V. "Effective disinfection." Agrarian science, no. 1 (March 7, 2020): 40–42. http://dx.doi.org/10.32634/0869-8155-2020-334-1-40-42.

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Relevance. The compliance with zoohygienic norms and rules is a prerequisite for the biological safety of a livestock enterprise. Biosafety requirements have been tightened especially in connection with pandemics of ASF, avian influenza and other infections. Disinfection is one of the most important measures to maintain epizootological well-being, and the quality of disinfection directly depends on the effectiveness of the disinfectant used.Methods. The methods of mathematical analysis were applied.Results. The effectiveness of the use of disinfectant solutions based on the Chistobel complex d

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Muzafarov, Sh M., A. G. Babaev, O. G. Kilichov, and L. A. Batirova. "Disinfection of drinking water with ozone by the method of electrodispersion." IOP Conference Series: Earth and Environmental Science 939, no. 1 (2021): 012016. http://dx.doi.org/10.1088/1755-1315/939/1/012016.

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Abstract This article analyzes the existing methods for disinfecting drinking water with ozone and identifies their disadvantages. The substantiation of the method of water disinfection with ozone using electrodispersion is given. The description of the technological scheme of water disinfection using the method of electrodispersion is given. The description of the design of the electric spray is given. The results of production tests of a device for water disinfection on the water of open reservoirs and artesian wells are presented.

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Choi, Jongbong, Minhyuk Lee, Yangsoon Lee, Yeongtak Song, Yongil Cho, and Tae Ho Lim. "Effectiveness of Plasma-Treated Hydrogen Peroxide Mist Disinfection in Various Hospital Environments." International Journal of Environmental Research and Public Health 18, no. 18 (2021): 9841. http://dx.doi.org/10.3390/ijerph18189841.

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Hospital environments are associated with a high risk of infection. As plasma-treated hydrogen peroxide mist disinfection has a higher disinfection efficacy, we tested the efficacy of plasma-treated hydrogen peroxide mist disinfection on several surfaces in various hospital environments. Disinfection was performed in 23 rooms across different hospital environments, including hospital wards, outpatient departments (OPDs), and emergency rooms. A total of 459 surfaces were swabbed before/after disinfection. Surfaces were also divided into plastic, metal, wood, leather, ceramic, silicone, and glas

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Abdul Latif Rashid, Amal. "Effect of Microwave Energy Disinfection on Roughness of Soft Lining Material." Tikrit Journal for Dental Sciences 9, no. 1 (2023): 7–13. http://dx.doi.org/10.25130/tjds.9.1.2.

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Introduction: Soft lining material enhance the patient’s comfort, its rough surface affect oral health, the risk with soft reliners was difficult hygienic maintenance, sterilization by microwave method more favor compared with chemicals disinfections. Objective to study the effect of disinfection by microwave irradiation at different exposure time on surface roughness of long-term soft-liner material. Material and Methods: 45 Specimens of long-term soft liner were made in the form of square metal shaped pattern. The preparation of mould was done by conventional procedures according to manufact

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Anwer, Safia, Syed Omer, Perveen Memon, Usman Mehmood, Hameedullah Arif, and Shahid Mustafa. "Awareness and Practices of Alginate Disinfection Protocol Among Dental Practitioners of Karachi City." Journal of Bahria University Medical and Dental College 10, no. 3 (2020): 219–23. http://dx.doi.org/10.51985/jbumdc2020015.

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Objective: To determine the awareness and practices about disinfection of alginate impression among dental practitioners of Karachi city. Study Design and Setting: This cross-sectional study was conducted at a private sector teaching hospital and private clinics, both located in Hamdard University Dental Hospital, Karachi from the period of April, 2017 to April, 2019. Methodology: A Questionnaire was designed by subject specialist in light of Australian Dental Association guidelines for cross infection prevention and disinfection for dental offices and laboratory. The questionnaire comprised o

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Gamage, Joanne, and Zisheng Zhang. "Applications of Photocatalytic Disinfection." International Journal of Photoenergy 2010 (2010): 1–11. http://dx.doi.org/10.1155/2010/764870.

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Due to the superior ability of photocatalysis to inactivate a wide range of harmful microorganisms, it is being examined as a viable alternative to traditional disinfection methods such as chlorination, which can produce harmful byproducts. Photocatalysis is a versatile and effective process that can be adapted for use in many applications for disinfection in both air and water matrices. Additionally, photocatalytic surfaces are being developed and tested for use in the context of “self-disinfecting” materials. Studies on the photocatalytic technique for disinfection demonstrate this process t

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Henriques, Tiago M., Beatriz Rito, Diogo N. Proença, and Paula V. Morais. "Application of an Ultrasonic Nebulizer Closet in the Disinfection of Textiles and Footwear." International Journal of Environmental Research and Public Health 19, no. 17 (2022): 10472. http://dx.doi.org/10.3390/ijerph191710472.

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The emergence of the coronavirus disease 2019 (COVID-19) pandemic highlighted the importance of disinfection processes in health safety. Textiles and footwear have been identified as vectors for spreading infections. Therefore, their disinfection can be crucial to controlling pathogens’ dissemination. The present work aimed to evaluate the effectiveness of a commercial disinfectant aerosolized by an ultrasonic nebulizer closet as an effective method for disinfecting textiles and footwear. The disinfection was evaluated in three steps: suspension tests; nebulization in a 0.08 m3 closet; nebuliz

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Lin, Yusen E., Janet E. Stout, and Victor L. Yu. "ControllingLegionellain Hospital Drinking Water: An Evidence-Based Review of Disinfection Methods." Infection Control & Hospital Epidemiology 32, no. 2 (2011): 166–73. http://dx.doi.org/10.1086/657934.

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Hospital-acquired Legionnaires' disease is directly linked to the presence ofLegionellain hospital drinking water. Disinfecting the drinking water system is an effective preventive measure. The efficacy of any disinfection measures should be validated in a stepwise fashion from laboratory assessment to a controlled multiple-hospital evaluation over a prolonged period of time. In this review, we evaluate systemic disinfection methods (copper-silver ionization, chlorine dioxide, monochloramine, ultraviolet light, and hyperchlorination), a focal disinfection method (point-of-use filtration), and

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Zhang, Yin. "604 Comparing Disinfection of Different Dosages of Vaporized Hydrogen Peroxide in Burn Ward." Journal of Burn Care & Research 41, Supplement_1 (2020): S145. http://dx.doi.org/10.1093/jbcr/iraa024.230.

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Abstract Introduction The objective of this study is to compare the disinfection effects using the vaporized hydrogen peroxide disinfection method in critical burn ward. Methods A 110m3 empty ward of the burn center was selected as the experimental site. The Bacillus subtilis var. niger spores were opened and placed in 15 unprepared positions (with 0 m, 1 m, 2 m, 3 m, and 4 m from the disinfection machine, each of which was divided into upper, middle, and The lower 3 planes), as well as the 15 points of the cloth (the same position as before), are fixed with hydrogen peroxide indicating tape.

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Kim, Yu-Jin, Jun-Beom Kim, Chang-Seon Song, and Sang-Soep Nahm. "Disinfection of various materials with 3-(trimethoxysilyl)-propyldimethyloctadecyl ammonium chloride in hatchery facilities." Animal Bioscience 35, no. 4 (2022): 631–37. http://dx.doi.org/10.5713/ab.21.0302.

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Objective: Surface disinfection is important in the proper running of livestock farms. However, disinfection of farm equipment and facilities is difficult because they are made of different materials, besides having large surface areas and complex structures. 3-(trimethoxysilyl)-propyldimethyloctadecyl ammonium chloride (Si-QAC) is a quaternary ammonium salt-based disinfectant that attaches to various surfaces by forming covalent bonds and maintains its disinfecting capacity for a considerable time. Our aim was to evaluate the potential use of Si-QAC for disinfection of farm equipment and faci

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Buckley, T., SM Dudley, and LG Donowitz. "Defining unnecessary disinfection procedures for single-dose and multiple-dose vials." American Journal of Critical Care 3, no. 6 (1994): 448–51. http://dx.doi.org/10.4037/ajcc1994.3.6.448.

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BACKGROUND. Recommendations in the literature conflict on the necessity of disinfecting single-use vials prior to aspiration of fluid. Interventions to disinfect the stopper surface on multiple-dose vials vary considerably. OBJECTIVES. To determine the necessity of alcohol disinfection of the stopper on single-dose vials and to compare povidone-iodine and alcohol versus alcohol-only disinfection of the stopper prior to each needle penetration on multiple-dose vials. METHODS. The rubber stopper surfaces of 100 single-dose vials were cultured for the presence of bacteria. To determine the effica

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Solodky, Vladislav V., Vladimir V. Zolin, Oksana P. Oskina, and Tatyana A. Gosteva. "Investigation of the effectiveness of disinfection of microbiological safety boxes with formalin, contaminated with smallpox vaccine virus." Disinfection affairs, no. 2 (July 2025): 28–37. https://doi.org/10.35411/2076-457x-2025-2-28-37.

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To study the possibility of reducing the amount of formalin in the reaction mixture while maintaining 100?% disinfection efficiency, studies were conducted on the possibility of reducing the amount of formalin from 25 ml/m3 to 6.25 ml/m3 and studying the disinfecting efficiency of disinfecting solutions based on 40?% formalin with the addition of a 15?% solution of tertiary amines or a 3?% solution of chloramine in relation to the smallpox virus. This combination of disinfectants suggests a possible reduction in the toxic load on personnel during disinfection of a class 3 isolation box after w

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Bédard, Emilie, Marie-Ève Benoit, Thibault Bourdin, et al. "Implementation of a Low-Cost Method to Reduce Bacterial Load in Patient-Room Sink Drains." Antimicrobial Stewardship & Healthcare Epidemiology 1, S1 (2021): s21—s22. http://dx.doi.org/10.1017/ash.2021.39.

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Background: Sink drains can act as breeding grounds for multidrug-resistant (MDR) bacteria, leading to outbreaks. Drains provide a protected humid environment where nutrient-rich substances are available. Recent and growing installation of water and energy conservation devices have led to increased frequency of drain blockage due to biofilm accumulation. Ineffective drainage may lead to backflow and accumulation of water in the sink during use, increasing the risk of contaminated aerosols formation or direct contamination of surrounding material and equipment. Cleaning and disinfection procedu

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Storchevoy, Vladimir, Sergey Suchugov, Peter Umansky, and Alexander Storchevoy. "Study of the operating modes of a microwave installation for heat treatment and disinfection of grain." E3S Web of Conferences 273 (2021): 01022. http://dx.doi.org/10.1051/e3sconf/202127301022.

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Calculation method has been developed and mathematical models of the main parameters and operating modes of microwave installations for disinfecting grain and ensuring the required temperature regime, the rate of grain heating by controlling the temperature have been obtained. The use of microwave installations improves the process of grain disinfection from pathogenic microflora and pests. Microwave technologies and installations for grain disinfection include a number of operations that allow grain to be disinfected up to 75-85% of living pests that do not allow grain to be stored for a long

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Böhm, Anna-Lena, Maximilian Koch, Stefan Rosiwal, Andreas Burkovski, Matthias Karl, and Tanja Grobecker-Karl. "Electrochemical Disinfection of Experimentally Infected Teeth by Boron-Doped Diamond Electrode Treatment." Journal of Clinical Medicine 8, no. 12 (2019): 2037. http://dx.doi.org/10.3390/jcm8122037.

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Disinfection and prevention of re-infection are the decisive treatment steps in endodontic therapy. In this study, boron-doped diamond (BDD) electrodes have been fabricated and used for disinfecting the root canals of extracted human teeth, which had been covered with bacterial biofilms formed by Bacillus subtilis and Staphylococcus epidermidis. The growth of B. subtilis could be successfully impaired, achieving a complete disinfection after 8.5 min treatment time with the success of disinfection depending on the insertion depth of the electrode in the root canal. S. epidermidis could complete

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Byrne, A. John, S. Patrick Dunlop, W. Jeremy Hamilton, et al. "A Review of Heterogeneous Photocatalysis for Water and Surface Disinfection." Molecules 20, no. 4 (2015): 5574–615. https://doi.org/10.3390/molecules20045574.

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Photo-excitation of certain semiconductors can lead to the production of reactive oxygen species that can inactivate microorganisms. The mechanisms involved are reviewed, along with two important applications. The first is the use of photocatalysis to enhance the solar disinfection of water. It is estimated that 750 million people do not have accessed to an improved source for drinking and many more rely on sources that are not safe. If one can utilize photocatalysis to enhance the solar disinfection of water and provide an inexpensive, simple method of water disinfection, then it could help r

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Fang, Wei, Jiangyong Hu, and Say Leong Ong. "Effects of phosphorus on biofilm disinfections in model drinking water distribution systems." Journal of Water and Health 8, no. 3 (2009): 446–54. http://dx.doi.org/10.2166/wh.2009.303.

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Drinking water biofilm development is affected by the available nutrient levels and the presence of disinfectants. Phosphorus is recognized as another important limiting nutrient besides organic carbon. In this study, drinking water biofilms were developed in annular reactors to examine the effects of phosphorus on the biofilm disinfections with free chlorine and monochloramine. Phosphorus addition was found to increase the biofilm cell number but decrease the exopolysaccharides (EPS) production. The disinfection efficacies of both free chlorine and monochloramine were increased when phosphoru

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Guridi, Andrea, Elena Sevillano, Iñigo de la Fuente, Estibaliz Mateo, Elena Eraso, and Guillermo Quindós. "Disinfectant Activity of A Portable Ultraviolet C Equipment." International Journal of Environmental Research and Public Health 16, no. 23 (2019): 4747. http://dx.doi.org/10.3390/ijerph16234747.

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Healthcare-associated infections (HAIs) can be caused by microorganisms present in common practice instruments generating major health problems in the hospital environment. The aim of this work was to evaluate the disinfection capacity of a portable ultraviolet C equipment (UV Sanitizer Corvent® -UVSC-) developed to disinfect different objects. For this purpose, six pathogens causing HAIs: Acinetobacter baumannii, Bacillus subtilis, Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus and Candida albicans, were inoculated on slides and discs of different biomaterials (borosilicate,

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Piletić, Kaća, Silvestar Mežnarić, Eli Keržić, Martina Oder, and Ivana Gobin. "Comparison of different disinfection protocols against contamination of ceramic surfaces with Klebsiella pneumoniae biofilm." Archives of Industrial Hygiene and Toxicology 75, no. 4 (2024): 289–96. https://doi.org/10.2478/aiht-2024-75-3920.

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Abstract Environmental contamination with Klebsiella pneumoniae biofilm can be a source of healthcare-associated infections. Disinfection with various biocidal active substances is usually the method of choice to remove contamination with biofilm. In this study we tested 13 different disinfection protocols using gaseous ozone, citric acid, and three working concentrations of benzalkonium chloride-based professional disinfecting products on 24-hour-old biofilms formed by two K. pneumoniae strains on ceramic tiles. All tested protocols significantly reduced total bacterial counts compared to con

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Ueno, Takahisa, Konosuke Takada, Shohei Zaizen, Takashi Sakugawa, Junko Ninomiya, and Takashi Furukawa. "Disinfection of Bacteria in Aerosols by Applying High Voltage to Stranded Wire Electrodes." Microorganisms 12, no. 2 (2024): 418. http://dx.doi.org/10.3390/microorganisms12020418.

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The inactivation of airborne pathogenic microorganisms is crucial to attenuate the dissemination of infectious diseases induced by airborne pathogens. Conventional air disinfection methodologies, such as ultraviolet (UV) irradiation and ozone treatment, have demonstrated limited efficacy. Consequently, we investigated the potential of employing pulsed voltages to effectively eradicate bacteria within aerosols. Our inquiry revealed that the bacterial disinfection rate increased proportionally with elevated applied voltage and frequency. For instance, when a pulsed voltage of 20 kV and a frequen

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Biswal, Basanta Kumar, Ramzi Khairallah, Kareem Bibi, et al. "Impact of UV and Peracetic Acid Disinfection on the Prevalence of Virulence and Antimicrobial Resistance Genes in Uropathogenic Escherichia coli in Wastewater Effluents." Applied and Environmental Microbiology 80, no. 12 (2014): 3656–66. http://dx.doi.org/10.1128/aem.00418-14.

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ABSTRACTWastewater discharges may increase the populations of pathogens, includingEscherichia coli, and of antimicrobial-resistant strains in receiving waters. This study investigated the impact of UV and peracetic acid (PAA) disinfection on the prevalence of virulence and antimicrobial resistance genes in uropathogenicEscherichia coli(UPEC), the most abundantE. colipathotype in municipal wastewaters. Laboratory disinfection experiments were conducted on wastewater treated by physicochemical, activated sludge, or biofiltration processes; 1,766E. coliisolates were obtained for the evaluation. T

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Khalid, Mariya, Mohammad Ali Chughtai, Sohrab Shaheed, and Syed Nasir Shah. "Comparison of Repeated Chemical and Microwave Disinfection on Dimensional Accuracy of Gypsum Casts." Journal of the Pakistan Dental Association 30, no. 04 (2021): 235–42. http://dx.doi.org/10.25301/jpda.304.235.

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OBJECTIVE: The aim of this experimental study is to compare the dimensional accuracy of gypsum casts after repeated disinfection in microwave at 900 Watts, 2450 MHz (5 minutes) and immersion in 0.5% Sodium hypochlorite (10 minutes). Disinfecting casts is recommended to prevent cross infection but may cause dimensional changes. During fabrication of prosthesis, a cast may get contaminated several times so there is a need of repeated disinfection. METHODOLOGY: Sample size was 33 (11 in each group), calculated through WHO software for sample size determination by using standard deviation of 0.16

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Gushchin, S. V., and A. V. Polonova. "Design concept of onboard air purification system for commercial aircraft." Journal of Physics: Conference Series 2061, no. 1 (2021): 012091. http://dx.doi.org/10.1088/1742-6596/2061/1/012091.

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Abstract The purpose of the article is to discuss methods of air disinfection in passenger aircraft cabins during flight. In the course of the study, a comparative analysis of modern methods of cleaning and disinfecting air in closed rooms was carried out. The efficiency, mass characteristics and energy consumption of UV sources are compared. The use of photocatalytic filters based on the phenomenon of oxidation of organic substances under the influence of sunlight in the presence of a catalyst is proposed. As a result, the authors compare the efficiency of disinfection and energy consumption

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Christenson, Elizabeth C., Ryan Cronk, Helen Atkinson, et al. "Evidence Map and Systematic Review of Disinfection Efficacy on Environmental Surfaces in Healthcare Facilities." International Journal of Environmental Research and Public Health 18, no. 21 (2021): 11100. http://dx.doi.org/10.3390/ijerph182111100.

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Healthcare-associated infections (HAIs) contribute to patient morbidity and mortality with an estimated 1.7 million infections and 99,000 deaths costing USD $28–34 billion annually in the United States alone. There is little understanding as to if current environmental surface disinfection practices reduce pathogen load, and subsequently HAIs, in critical care settings. This evidence map includes a systematic review on the efficacy of disinfecting environmental surfaces in healthcare facilities. We screened 17,064 abstracts, 635 full texts, and included 181 articles for data extraction and stu

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Guan, Zuwei, Peng Liu, Tianfeng Zhou, et al. "Study on the Light Field Regulation of UVC-LED Disinfection for Cold Chain Transportation." Applied Sciences 12, no. 3 (2022): 1285. http://dx.doi.org/10.3390/app12031285.

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In this paper, the pain point that cold chain transportation urgently needs for an efficient disinfection method is pointed out. Thus, this work aims at solving the problems and improving the disinfection efficiency in cold chain transportation. While Ultraviolet-C (UVC) irradiation is an effective method by which to kill viruses, it is difficult to apply the commonly used UVC-LED disinfection light source to ice-covered cold chain transportation due to its uneven light field distribution. Thus, the light field regulation of UVC-LED disinfection for cold chain transportation is studied. A UVC-

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Bhatti, Sanam, Tanveer A. Gadhi, Rasool Bux Mahar, et al. "The Identification of Selective Pathogenic Microbial Community Biofilms in Different Distribution Pipeline Materials and Their Disinfection Kinetics." Water 15, no. 23 (2023): 4099. http://dx.doi.org/10.3390/w15234099.

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Biofilms in water distribution lines strongly affect water safety as they are the main carriers of pathogens. The current study investigated the biofilm formation and identification of selected pathogens in different distribution pipeline materials and their disinfection method in an annular reactor (AR). Initially, the quality of the flowing water from each pipeline material was analyzed, i.e., pH, TDS, EC, turbidity, and salinity; then, the biofilm formation was monitored for each material, i.e., ABS, PC, PVC, PP, and HDPE. Further, the disinfection kinetics of biofilm at different chlorine

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Khalaf, Dr Hanan Abdul-Rahman, and Dr Basima M. Ali Hussein. "Effect of certain disinfecting solutions and surfactant on the wettability of silicone rubber impression materials." Mustansiria Dental Journal 9, no. 1 (2018): 48–54. http://dx.doi.org/10.32828/mdj.v9i1.241.

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Back ground: All dental impressions should be disinfected before pouring to controlcross contamination but disinfection may affect impression wettability. This studyevaluated the effect of disinfection and the use of surfactant agent on thewettability of some silicone impression materials by contact angle registration ofthe gypsum slurry on flat surfaces of the impressions.Materials and methods: addition silicone regular body –automixing type- andcondensation silicone (light body)with two types of disinfecting solutions 0.2%chlorhexidine gluconate and 1% povidone iodine for two disinfecting ti

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Bourdin, Thibault, Marie-Ève Benoit, Michèle Prévost, et al. "Disinfection of sink drains to reduce a source of three opportunistic pathogens, during Serratia marcescens clusters in a neonatal intensive care unit." PLOS ONE 19, no. 6 (2024): e0304378. http://dx.doi.org/10.1371/journal.pone.0304378.

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Objective Evaluate the effects of five disinfection methods on bacterial concentrations in hospital sink drains, focusing on three opportunistic pathogens (OPs): Serratia marcescens, Pseudomonas aeruginosa and Stenotrophomonas maltophilia. Design Over two years, three sampling campaigns were conducted in a neonatal intensive care unit (NICU). Samples from 19 sink drains were taken at three time points: before, during, and after disinfection. Bacterial concentration was measured using culture-based and flow cytometry methods. High-throughput short sequence typing was performed to identify the t

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Pinto, Luciana Rezende, Dayane Rubim, Paulo Maurício Batista Silva, and Vinícius Carvalho Porto. "Effects of repeated long-term sodium hypochlorite disinfection treatment on surface hardness and roughness of self-polymerizing reline acrylic resins." Journal of Research in Dentistry 2, no. 1 (2014): 91. http://dx.doi.org/10.19177/jrd.v2e1201491-101.

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Denture stomatitis is the most common alteration on the palate of denture wearers and deficient denture hygiene is an important predisposing factor, because it facilitates both the presence of Candida albicans and bacteria in saliva and their colonization on the oral mucosa and denture surfaces. Sodium hypochlorite is an efficient chemical disinfectant to eliminate denture biofilm, but the effect of long-term disinfection on reline acrylic resins was not studied. Purpose: This study investigated the hardness and roughness of three self-polymerizing reline resins after repeated long-term sodium

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Bensel, Tobias, Jens J. Bock, Anne Kebernik, Christin Arnold, Sonia Mansour, and Arne F. Boeckler. "Effect of Disinfectants on Mechanical Properties of Orthodontic Acrylics." International Journal of Biomaterials 2019 (April 24, 2019): 1–10. http://dx.doi.org/10.1155/2019/1096208.

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Objective. Infection control protocols in dentistry dictate that orthodontic acrylics have to be disinfected. No specific products for orthodontic acrylics are available. The objective of this study was to investigate the influence of chemical disinfectants on mechanical properties of orthodontic acrylics.Materials and Methods. 260 test specimens of two cold-curing orthodontic acrylics were manufactured. Three chemical disinfecting agents were tested: Impresept, D050 Instru-Gen, and Stammopur DR. Test specimens were stored in distilled water and divided into test groups. E-Modulus, flexural st

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Choudhry, Ziaullah, Sofia Malik, Zulfiqar A. Mirani, et al. "Antifungal Efficacy of Sodium Perborate and Microwave Irradiation for Surface Disinfection of Polymethyl Methacrylate Polymer." Applied Sciences 12, no. 14 (2022): 7004. http://dx.doi.org/10.3390/app12147004.

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Various disinfecting agents showing variable success in disinfecting polymethyl methacrylate (PMMA) are available. The aim of our study was to evaluate the antifungal efficacy of sodium perborate (denture cleaning tablet-DC), microwave irradiation, and their combination for eradicating candida albicans (C. albicans) from polymethyl methacrylate (PMMA) denture base polymer. One hundred and sixty-eight PMMA resin specimens (30 × 30 × 15 mm) were divided into four groups, including control (no disinfection), microwave disinfection in distilled water (MW-DW), sodium perborate with distilled water

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Yoshida, Yuko, Risa Takashima, and Rika Yano. "Is skin disinfection before subcutaneous injection necessary? The reasoning of Certified Nurses in Infection Control in Japan." PLOS ONE 16, no. 1 (2021): e0245202. http://dx.doi.org/10.1371/journal.pone.0245202.

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Nurses continue to disinfect the skin before administering subcutaneous injections as a standard process in clinical settings; despite evidence that disinfection is not necessary. To implement evidence-based practice, it is critical to explore why this gap between “evidence” and “practice” exists. This study aimed to describe the reasons offered by Certified Nurses in Infection Control (CNIC) in Japan for performing skin disinfection before subcutaneous injection. Adopting an inductive qualitative design, interviews were conducted with 10 CNIC in 2013. According to the participants, skin disin

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Yoshida, Yuko, Risa Takashima, and Rika Yano. "Is skin disinfection before subcutaneous injection necessary? The reasoning of Certified Nurses in Infection Control in Japan." PLOS ONE 16, no. 1 (2021): e0245202. http://dx.doi.org/10.1371/journal.pone.0245202.

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Nurses continue to disinfect the skin before administering subcutaneous injections as a standard process in clinical settings; despite evidence that disinfection is not necessary. To implement evidence-based practice, it is critical to explore why this gap between “evidence” and “practice” exists. This study aimed to describe the reasons offered by Certified Nurses in Infection Control (CNIC) in Japan for performing skin disinfection before subcutaneous injection. Adopting an inductive qualitative design, interviews were conducted with 10 CNIC in 2013. According to the participants, skin disin

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Romeu, Maria João, João Morais, Vítor Vasconcelos, and Filipe Mergulhão. "Effect of Hydrogen Peroxide on Cyanobacterial Biofilms." Antibiotics 12, no. 9 (2023): 1450. http://dx.doi.org/10.3390/antibiotics12091450.

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Although a range of disinfecting formulations is commercially available, hydrogen peroxide is one of the safest chemical agents used for disinfection in aquatic environments. However, its effect on cyanobacterial biofilms is poorly investigated. In this work, biofilm formation by two filamentous cyanobacterial strains was evaluated over seven weeks on two surfaces commonly used in marine environments: glass and silicone-based paint (Sil-Ref) under controlled hydrodynamic conditions. After seven weeks, the biofilms were treated with a solution of hydrogen peroxide (H2O2) to assess if disinfecti

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