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10.1088/1752-7163/abf0b4 http://scihub22266oqcxt.onion/10.1088/1752-7163/abf0b4 33752195!ä!33752195 Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=33752195&cmd=llinks): Failed to open stream: HTTP request failed! 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Stability of volatile organic compounds in sorbent tubes following SARS-CoV-2 inactivation procedures |pdf=|usr=}}{{33752195}} gab.com Text Stability of volatile organic compounds in sorbent tubes following SARS-CoV-2 inactivation procedures JO: J Breath Res http://www.kidney.de/pget.php?&tw=1&pmid=33752195 #FOAvip COVID-19 is a highly transmissible respiratory illness that has rapidly spread all over the world causing more than 115 million cases and 2.5 million deaths. Most epidemiological projections estimate that the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) virus causing the infection will circulate in the next few years and raise enormous economic and social issues. COVID-19 has a dramatic impact on health care systems and patient management, and is delaying or stopping breath research activities due to the risk of infection to the operators following contact with patients, potentially infected samples or contaminated equipment. In this scenario, we investigated whether virus inactivation procedures, based on a thermal treatment (60 degrees C for 1 h) or storage of tubes at room temperature for 72 h, could be used to allow the routine breath analysis workflow to carry on with an optimal level of safety during the pandemic. Tests were carried out using dry and humid gaseous samples containing about 100 representative chemicals found in exhaled breath and ambient air. Samples were collected in commercially available sorbent tubes, i.e. Tenax GR and a combination of Tenax TA, Carbograph 1TD and Carboxen 1003. Our results showed that all compounds were stable at room temperature up to 72 h and that sample humidity was the key factor affecting the stability of the compounds upon thermal treatment. Tenax GR-based sorbent tubes were less impacted by the thermal treatment, showing variations in the range 20%-30% for most target analytes. A significant loss of aldehydes and sulphur compounds was observed using carbon molecular sieve-based tubes. In this case, a dry purge step before inactivation at 60 degrees C significantly reduced the loss of the target analytes, whose variations were comparable to the method variability. Finally, a breath analysis workflow including a SARS-CoV-2 inactivation treatment is proposed. Twit Text FOAVip Stability of volatile organic compounds in sorbent tubes following SARS-CoV-2 inactivation procedures ????J Breath Res http://www.kidney.de/pget.php?&tw=1&pmid=33752195 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33752195 #FOAvip English Wikipedia <ref>{{Cite pmid|33752195}}</ref> Stability of volatile organic compounds in sorbent tubes following SARS-CoV-2 inactivation procedures #MMPMID33752195 Lomonaco T; Salvo P; Ghimenti S; Biagini D; Vivaldi F; Bonini A; Fuoco R; Di Francesco F J Breath Res 2021[Apr]; 15 (3): ä PMID33752195show ga COVID-19 is a highly transmissible respiratory illness that has rapidly spread all over the world causing more than 115 million cases and 2.5 million deaths. Most epidemiological projections estimate that the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) virus causing the infection will circulate in the next few years and raise enormous economic and social issues. COVID-19 has a dramatic impact on health care systems and patient management, and is delaying or stopping breath research activities due to the risk of infection to the operators following contact with patients, potentially infected samples or contaminated equipment. In this scenario, we investigated whether virus inactivation procedures, based on a thermal treatment (60 degrees C for 1 h) or storage of tubes at room temperature for 72 h, could be used to allow the routine breath analysis workflow to carry on with an optimal level of safety during the pandemic. Tests were carried out using dry and humid gaseous samples containing about 100 representative chemicals found in exhaled breath and ambient air. Samples were collected in commercially available sorbent tubes, i.e. Tenax GR and a combination of Tenax TA, Carbograph 1TD and Carboxen 1003. Our results showed that all compounds were stable at room temperature up to 72 h and that sample humidity was the key factor affecting the stability of the compounds upon thermal treatment. Tenax GR-based sorbent tubes were less impacted by the thermal treatment, showing variations in the range 20%-30% for most target analytes. A significant loss of aldehydes and sulphur compounds was observed using carbon molecular sieve-based tubes. In this case, a dry purge step before inactivation at 60 degrees C significantly reduced the loss of the target analytes, whose variations were comparable to the method variability. Finally, a breath analysis workflow including a SARS-CoV-2 inactivation treatment is proposed. |*Virus Inactivation[MESH] |Breath Tests/*instrumentation/methods[MESH] |COVID-19/*virology[MESH] |Humans[MESH] |Pandemics[MESH] |SARS-CoV-2/*physiology[MESH] |Specimen Handling/methods[MESH] |Temperature[MESH]Stability of volatile organic compounds in sorbent tubes following SAR(epmc).pdf DeepDyve Pubget Overpricing