Air CD Disinf--Low Concentrations

Air CD Disinf--Low Concentrations

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Evaluation and Improvement of Air Quality in School Public Elevator
Evaluation and Improvement of Air Quality in School Public Elevator
2013. Public elevators are an essential requirement in modern high-rise buildings. However, the confined, crowded interior of an elevator provides an ideal breeding ground for all manners of biological aerosols. Consequently, when using an elevator at a university in Taiwan as the research target, this st …
·pubmed.ncbi.nlm.nih.gov·
Evaluation and Improvement of Air Quality in School Public Elevator
Disinfection performance of chlorine dioxide gas at ultra-low concentrations and the decay rules under different environmental factors
Disinfection performance of chlorine dioxide gas at ultra-low concentrations and the decay rules under different environmental factors
July 2020. "At 48% and 75% humidity, the decay rate constants of ClO2 gas were 0.0034 min−1 and 0.0036 min−1, respectively. The rate of decline of the ClO2 concentration increased as the humidity of the environment increased. The decay rate constant of ClO2 gas at an illuminance of 76 lux and 3429 lux was 0.0034 min−1 and 0.00427 min−1, respectively; hence, the decay rate increased with increased illumination. At a humidity of 72% and illuminance of 2112 lux, the decay rate constant reached 0.00880 min−1. The effects of humidity and illuminance on the attenuation of the ClO2 concentration were strongly synergistic. When the gas concentration was maintained below 0.9 mg/m3, the disinfection rate of ClO2 on bacteria (P. aeruginosa, V. mimicus and S. aureus) exceeded 99.9%; thus, ClO2 gas exhibited a high disinfection efficiency. In addition, there was no corrosion to various metals by ClO2 under the same conditions."
·www.tandfonline.com·
Disinfection performance of chlorine dioxide gas at ultra-low concentrations and the decay rules under different environmental factors
Sanitizing Tunnel | Disinfection Tunnel | Sanitation booth in Bangladesh
Sanitizing Tunnel | Disinfection Tunnel | Sanitation booth in Bangladesh
Mentions dilute Chlorine Dioxide 100 -400PPM, Dilute Sodium Hypochlorite 100-500PPM & Dilute Hydrogen Peroxide 100 – 400PPM can be used as a disinfectant for tunnel after consultation with Doctors. [Chlorine dioxide concentration recommendation seems excessively high? Is recommended sodium hypochlorite concentration level as low as it is because of its toxic effects on the body?]
·www.anantabd.net·
Sanitizing Tunnel | Disinfection Tunnel | Sanitation booth in Bangladesh
Study on encapsulation of chlorine dioxide in gelatin microsphere for reducing release rate
Study on encapsulation of chlorine dioxide in gelatin microsphere for reducing release rate
2015. Objective: This study aims to explore the effects of encapsulation of chlorine dioxide in a hydrophilic biodegradable polymer gelatin to reduce its release rate. Methods: An emulsification-coacervation method was adopted. The characterizations of chlorine ...
·www.ncbi.nlm.nih.gov·
Study on encapsulation of chlorine dioxide in gelatin microsphere for reducing release rate
Continuous Disinfectant Spray Limits Airborne Pathogens
Continuous Disinfectant Spray Limits Airborne Pathogens
2012. Continuous aerosol spraying with a nontoxic alcohol-free disinfectant [What type?] can control airborne pathogens in patient areas of hospitals and in laboratories.
·www.medscape.com·
Continuous Disinfectant Spray Limits Airborne Pathogens
Efficacy of chlorine dioxide gas in reducing Escherichia coli and Salmonella from broiler house environments
Efficacy of chlorine dioxide gas in reducing Escherichia coli and Salmonella from broiler house environments
2017. Fumigation with gaseous chlorine dioxide using *passive* method [Mixture of liquids was poured in an aluminum foil plate and fumes were produced by boiling the liquid through an electric heating plate.] Room temperature (around 27 to 28°C) and humidity (around 57 to 59%). Tests were performed with 125 mL or 250 mL of ClO2 liquid (containing 2,000 ppm of ClO2). Type of bacteria: E. coli or Salmonella) placed in different locations. Air samples were collected at 10 min, 1 h, 3 h, 6 h, and 12 h before and after fumigation. Both levels of ClO2 were capable of reducing the concentration of E. coli from broiler house air during all measuring periods except 10 min, with highest disinfection rate being observed at 6 h. With the exception of 1 h, the concentration of Salmonella was also reduced after fumigation with ClO2 in all measuring periods; with the highest disinfection rate occurring at 6 h. Fumigation with ClO2 had no negative effect on birds’ health
·www.sciencedirect.com·
Efficacy of chlorine dioxide gas in reducing Escherichia coli and Salmonella from broiler house environments
Investigation of the efficacy and inhalation toxicity of an air disinfectant in the human breathing zone for the nonspecific prevention of airborne infections ~Russia
Investigation of the efficacy and inhalation toxicity of an air disinfectant in the human breathing zone for the nonspecific prevention of airborne infections ~Russia
2017. ****!!!!**** Chlorine Dioxide in Air tested on rats, with no significant damage. Personal air disinfectant of chlorine dioxide (gel?) had high virucidal activity against influenza virus; when CD was used at low, low-toxic concentrations, the virus titer in the air samples was reduced by 90% at 1–3 min, by 97% at 3–5 min, and by 99% at 10–12 min. Device was effective at least 30 days. The inhalation toxicity of CD was investigated in the experiments using the rats that were kept in an atmosphere of CD for a certain time. Then the structure of the trachea and lungs examined; the degree of oxidative stress was estimated from the tissue level of malonic aldehyde and the changes in the gene expression of all classes of antioxidant enzymes (a total of 15). The structure of the tracheal and lung epithelium was ascertained to be completely preserved; there were no increases in apoptotic cell death in both tissues or in lipid peroxidation in lung tissue. The enhanced protection of tracheal and lung epithelial cells against the highly toxic reactive oxygen species generated in the tissues is associated with the activation of gene expression of antioxidant enzymes in the epithelium, which is observed within the first hours after action of CDFull text (partially translated) at https://medi.ru/info/13658/
·epidemiology-journal.ru·
Investigation of the efficacy and inhalation toxicity of an air disinfectant in the human breathing zone for the nonspecific prevention of airborne infections ~Russia
Improvement of the air quality in student health centers with chlorine dioxide - PubMed
Improvement of the air quality in student health centers with chlorine dioxide - PubMed
2010. This study aims to monitor bioaerosol levels of a local campus of a student health center in Taiwan and then to perform disinfection by applying chlorine dioxide. First, air samples were taken and evaluated in the six areas of the center. The average background bioaerosol levels were 714 +/- 1706 CF …
·pubmed.ncbi.nlm.nih.gov·
Improvement of the air quality in student health centers with chlorine dioxide - PubMed
Effects of various indoor environmental factors on the decay of chlorine dioxide gas concentration: Implication on its use against pandemic flu
Effects of various indoor environmental factors on the decay of chlorine dioxide gas concentration: Implication on its use against pandemic flu
******!!!!****!!!!****!!!*** 2012. {Note: Click "Download full text" and wait. Full text file will download to your computer} "More than half of the ClO2 gas decomposed indoors." Gaseous ClO2 is chemically dissociated by light with wavelengths between 350 nm and 475 nm. They reported that the dominant (96%) dissociation products were ClO and O (atomic oxygen). It is important to take into account whether these dissociation products are toxic to humans. Judging from the short lifetime of O (39 ns), the toxic effect of this chemical, if ever present, would be negligible... High air temperatures and light irradiation accelerated the decrease of ClO2 gas concentration; the latter had the greatest influence. A quicker decay of concentration and greater value of the reaction rate constant of ClO2 were found under irradiated conditions, especially when a UV lamp was used... ClO2 gas concentration was significantly reduced when an evaporative humidifier was employed due to adsorption and a chemical reaction between the gas and the filter in the humidifier. The results obtained from these experiments can be used to predict the indoor concentration of ClO2 gas" "it was concluded that indoor humidity does not affect the reaction of the ClO2 gas" "an aquarium... filled with 10 L(2.64 gal) water was set in the room" "indoor ClO2 gas levels were lower in the room where water was present because the gas dissolved in water" "Ogata and Shibata (2008) reported that ****!! ClO2 gas concentration in virus aerosols is theoretically 0.12 µM when the aerosols are in equilibrium with 0.03 ppm ClO2 gas !!****, based on their revealed Henry’s equilibrium gas constant k = 3.9 × 10−5 mol 1−1 Pa−1. The present experiment showed higher concentrations of ClO2 in the water"
·researchgate.net·
Effects of various indoor environmental factors on the decay of chlorine dioxide gas concentration: Implication on its use against pandemic flu
Inactivation of Airborne Influenza Virus Using Low Concentration of Chlorine Dioxide: About the Relative Humidity-dependency | Semantic Scholar
Inactivation of Airborne Influenza Virus Using Low Concentration of Chlorine Dioxide: About the Relative Humidity-dependency | Semantic Scholar
****!!!!!***** Using a methodology that can maintain low chlorine dioxide concentration in air even under high humidity, examined the effect of humidity on airborne influenza virus inactivation at a very low gas concentration. It was shown that chlorine dioxide at less than 0.02-0.03 ppm has an ability to inactivate airborne influenza virus under 50% and 70% RH conditions. However, from a viewpoint of infection control, these researchers believed it is a minor effect which is merely additional to the major effect by the humidity itself, when considering the actual load of viruses released from an influenza patient in a room space and still active after certain time. Low concentrations of chlorine dioxide also make much less difference under 30% relative humidity levels common in winter." Original paper https://www.semanticscholar.org/paper/Inactivation-of-Airborne-Influenza-Virus-Using-Low-Nishimura-Hayashi/3cc74aad740dc6e036e76a3e4fdaee02a159a309 https://pdfs.semanticscholar.org/3cc7/4aad740dc6e036e76a3e4fdaee02a159a309.pdf
·translate.google.com·
Inactivation of Airborne Influenza Virus Using Low Concentration of Chlorine Dioxide: About the Relative Humidity-dependency | Semantic Scholar
Necessity and feasibility of establishing an active disinfection and epidemic prevention system for schools and kindergartens based on Chlorine Dioxide disinfection ~Worlddidac
Necessity and feasibility of establishing an active disinfection and epidemic prevention system for schools and kindergartens based on Chlorine Dioxide disinfection ~Worlddidac
****2020. China. Therefore, the safe disinfection based on chlorine dioxide is eligible to become the core means of active disinfection and epidemic prevention system for schools and kindergartens.
·worlddidac.org·
Necessity and feasibility of establishing an active disinfection and epidemic prevention system for schools and kindergartens based on Chlorine Dioxide disinfection ~Worlddidac
Test of a Preventive Effect of a Deodorant Device Against Respiratory Infections -Clinical Trial on Respiratory Infection: Cleverin Gel - ICH GCP
Test of a Preventive Effect of a Deodorant Device Against Respiratory Infections -Clinical Trial on Respiratory Infection: Cleverin Gel - ICH GCP
2010. This study is to test whether a chlorine dioxide gas-generating device, which releases a low concentration gas of chlorine dioxide in a sustained manner, can protect against respiratory infections in elderly individuals living in nursing homes. Such a device is used as a deodorant for normal domestic purposes. The investigators reasoned that the antiviral and antibacterial properties of chlorine dioxide might lead to a lowering in the incidence of respiratory infectious diseases. The study is designed as a randomized placebo-controlled double-blind crossover multicentre trial involving appr...
·ichgcp.net·
Test of a Preventive Effect of a Deodorant Device Against Respiratory Infections -Clinical Trial on Respiratory Infection: Cleverin Gel - ICH GCP
Amadana Cleverin (chlorine dioxide) LED Room Purifier
Amadana Cleverin (chlorine dioxide) LED Room Purifier
Amadana Cleverin LED Room Purifier - Coming in a striking round disc-like white shape, the Amadana Cleverin LED Room Purifier is a partnership between the designer home appliances and electronics brand and Seirogan's Cleverin LED system that uses light to generate chlorine dioxide that can exterminate viruses, bacteria and odors. An id ...
·japantrendshop.com·
Amadana Cleverin (chlorine dioxide) LED Room Purifier