What should be studied is a micro application of the term. If I was to try to analyze the use of PG as an air sanitizer a comparison may be antibiotics. Avian influenza virus infections in humans. From there was able to find the rest which is written below. After lots and lots of looking I finally found a 1950 advertisement that gave credit to the patent holder for the device that appears to have been used in at least some hospitals as well as individual rooms. Propylene glycol is used in air sanitization and hard surface disinfection and dipropylene glycol is used in air sanitization. Pronounced effects on both pneumococci and hemolytic streptococci were observed when concentrations as low as 1 gm. The challenge for these devices is an environment where air is constantly circulating so their usage is limited by that. Also, is a list of studies for propylene glycol in fighting infections. Maybe attached to the wand of a vacuum like a vacuum comb for superbugs like the resistant bed bugs? Puck TT, Robertson OH, Lemon HM. Hello group,  Another "old tech" medical study below link. Maybe makers will figure it out with the massive collective brains and work......... thanks for keeping the post. Cleaning and disinfection of crates and trucks used for duck transport: field observations during the H5N8 avian influenza outbreaks in France in 2017. Propylene glycol is used by the chemical, food, and pharmaceutical industries as an antifreeze when leakage might lead to contact with food. 2003;47(3 Suppl):823-7. doi: 10.1637/0005-2086-47.s3.823. Here is a list of micro hotspots that will keep from having a "water tight" model from my observation(s). It is a humectant, which means that it attracts and locks in moisture via absorption. The bactericidal action of propylene glycol vapor on microorganisms suspended in air: II. Thirty percent 1,3-butylene glycol and 30% propylene glycol were approximately as effective as 10% HG. Five percent hexylene glycol showed some antimicrobial properties but the 1% agent had no effect. Henle W, Zellat J. Am J Med Sci 1943;200:631. Epub 2020 May 10. low . The smaller version is attached as a .pdf which was for rooms and made by Hankscraft for a couple years (until the wonder drugs of influenza vaccine and anti biotics of the 1950's took it's place). Davison S, Galligan D, Eckert TE, Ziegler AF, Eckroade RJ. There is a lot of literature emerging related to e-cigarettes. USA.gov. Private Saw on the news they had reduced schedule so even though there was less people traveling there were still times when they were crowded. Tijdschr Diergeneeskd.  |  I'm seeing "fashionable" face shields that look nice for pretty young women to wear being advertised on the internet. I'm doing my best I feel so very strong this old tech could be huge in two areas. PG vapors display proven pathogen-mass-destruction properties. The cartridge liquid is tobacco-free and no combustion occurs (Ruyan cartridge report). This site needs JavaScript to work properly. It is also relatively cheap. 2003;47(3 Suppl):1015-21. doi: 10.1637/0005-2086-47.s3.1015. Motors smoking? SIDS Initial Assessment Report for 11th SIAM. the influence of various factors on the activity of the vapor. This would be partly revealed by what is planned to be opened up in phases in Austria. Thirty percent 1,3-butylene glycol and 30% propylene glycol were approximately as effective as 10% HG. It involves impregnating the face masks with propylene glycol (“PG”). I. J Exp Med 1942;75:593 610. There were lots of studies using propylene glycol and even comparing it to UV for effectiveness. 2001. Economic analysis of an outbreak of avian influenza, 1997-1998. It's use also is everything from food additives, e-cigarette (it is not the ingredient causing popcorn lungs), anti-freeze, hair products, and many others. COVID-19 is an emerging, rapidly evolving situation. 25 567 Less than a minute. https://patents.google.com/patent/US2523373A/en This is the patent from the "Research Corporation" for the larger version intended to cover dormitories, auditoriums, and hospitals. Science 1941;94:612. PROPYLENE GLYCOL (UNII: 6DC9Q167V3) (PROPYLENE GLYCOL - UNII:6DC9Q167V3) ... ALCOHOL DISINFECTANT WIPES cloth If this SPL contains inactivated NDCs listed by the FDA initiated compliance action, they will be specified as such. However, the molecular structure and chemical composition of each is very different. It is miscible with a broad range of solvents, including water, acetone, and chloroform. The current pandemic has similarities to the small pox outbreaks of older times. A 3d printed device that would work to introduce a PG/water into the air is what I'm thinking about. There is actually a broad array of places where this may be true such as where one takes off their shoes before entering a house. The much older studies I found in medical publications that had been archived on the internet. It is used until now to spray surfaces to disinfect them. Five percent hexylene glycol showed some antimicrobial properties but the 1% agent had no effect. A review of the 1996-98 nonpathogenic H7N2 avian influenza outbreak in Pennsylvania. https://uv-sanitizerr.com/product/uv-sanitizing-wand/. https://academic.oup.com/aje/article-abstract/55/2/203/92531. Face shields beyond just health care workers will be critical as will hygiene many are not used to. Within 20 h, 10% and 30% hexylene glycol in fresh tryptic soy broth were able to kill all the micro-organisms listed above. Inside temperatures and metal all over the place all bad. With the addition of the windshield washer fluid (methyl alcohol), all products remained … Facebook Comments. Propylene glycol (PG) is generally recognized as safe by oral, dermal or inhalation routes and has been a common ingredient in all American made tobacco cigarettes for seven decades (AAPHP website). Dowtherm® 209, 1-Methoxy-2-hydroxypropane, 2-Methoxy-1-methylethanol, 1-Methoxy-2-propanol, Propylene glycol methyl ether Clear, colorless liquid with a mild, ethereal odor. Characteristics of H7N2 (nonpathogenic) avian influenza virus infections in commercial layers, in Pennsylvania, 1997-98. 1) Lines of people are an obvious problem. I offered one lab to pay costs up front on a different idea but no response (want to commercialize it?). Propylene glycol is a synthetic liquid substance that absorbs water. Another study yet again from 1942 same as the first study referenced: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5286581/pdf/edinbmedj75046-0036.pdf.  |  Also, here is an interesting youtube video that was made to show a sneeze in a supermarket by University modeling/studies in Finland. In Japan there are always neat racks for this and then one enters a house. As soon as I get it (purchased it) I will take it apart to see if the mechanism is similar to the patent. Closed. It is an offensive action to not properly perform this. I have been working on this topic for a while. What exactly is this promoting? Any way to reduce below viral load is critical to life. Four disinfectants (two phenols, one quarternary ammonium, and one combination product: quarternary ammonium and formaldehyde) and one sodium hypochlorite detergent product currently used in the poultry industry were studied. With a novel virus the tables are over turned hence the reason why  I have been studying old tech with my time. Facebook Twitter Google+ LinkedIn StumbleUpon Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket. There was a presentation that 1 out of ever 6 new cases is a health care worker. Thank you. Propylene glycol is incredibly versatile — in just one product, it can have a variety of functions. The study on first post actually looked into a bacteria and a virus which in the age of the 50's wonder drugs would have been taken care of by antibiotics and influenza vaccines. NIH It is still used to disinfect surfaces. The timing may be right in that with quick deployment of vaccines the PG humidification/vaporization fell to the side along with the antibiotics the same. What about a foot sprayer that allows one to spray the bottom/sole of the shoe before entering an establishment? Organisation for Economic Co-Operation and Development. In response, a technical solution based on experimental results is proposed. Location Halifax UK...>. Tags. https://www.naturallycurly.com/curlreading/curl-products/curlchemist-the-truth-and-fiction-about-propylene-glycol. From studying I think this might already be in use for sanitizing hard surfaces but most talk about bleach solutions. If makers can make a difference in yet one more area it would make me proud to know how communities once again stood up to the challenge(s). 3) Subways are another obvious as found in New York. After applying the disinfectant with the designated amount of contact time, another environmental sample was collected from the tray and tested again for the presence of PEDV genetic material by PCR. So what are the potential applications? It is used until now to spray surfaces to disinfect them. It's use also is everything from food additives, e-cigarette (it is not the ingredient causing popcorn lungs), anti-freeze, hair products, and many others. Hello group,  I see the post about it for wiping surfaces and DIY hand sanitizer (cool/great idea :). The protection of mice against Infection with air-borne Influenza virus by means of propylene glycol vapour. Synonym: 1,2,-propanediol, 1,2-dihydroxypropane Chemical Name: Propylene Glycol Chemical Formula: CH3CHOHCH2OH Youtube Reviews April 1, 2020. Forum contains no unread posts Airborne humidifier/PG in micro hot spots. Time is of essence. Sitting down in restaurants and sleeping in hotels are likely to be later in the game. Propylene Glycol vs. Clipboard, Search History, and several other advanced features are temporarily unavailable. The PG solutions could be implemented to plug these holes in some applications along with other solutions (social hygiene customs being applied through peer pressure and law enforcement). J Exp Med 1943;78:387 406. irrelevant or unsolicited messages sent over the Internet, typically to a large number of users, for the purposes of advertising, phishing, spreading malware, etc. Just like when modeling a 3d file it will fail if it is not "water tight" when they open the economy or when there is care provided by front liner medical workers the "3d model" must be water tight (sorry my intro to 3d printers was Sketchup ver 8 with ruby plug-ins and what a PITA that was for anyone that was not a maestro in orchestrating that program to work properly. Probably because addressing it would lead to liability issues for the manufacturers of foods, medicines, disinfectant sprays, perfumes, and much more. As it went a full circle the phage therapy gained huge interest again as resistant strains emerged with the antibiotics. Before them phage therapy was huge. Propylene glycol is a synthetic liquid substance that absorbs water. Spam. 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