Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Yvonne Helbert"'
Publikováno v:
F1000Research, Vol 10 (2021)
Background: Cannabis products are subjected to microbial testing for human pathogenic fungi and bacteria. These testing requirements often rely on non-specific colony forming unit (CFU/g) specifications without clarity on which medium, selection or g
Externí odkaz:
https://doaj.org/article/ce3f49c8a8ff470e82fbc06bb4b5cdd7
Autor:
Kevin McKernan, Jessica Spangler, Yvonne Helbert, Ryan C. Lynch, Adrian Devitt-Lee, Lei Zhang, Wendell Orphe, Jason Warner, Theodore Foss, Christopher J. Hudalla, Matthew Silva, Douglas R. Smith
Publikováno v:
F1000Research, Vol 5 (2016)
Background: The presence of bacteria and fungi in medicinal or recreational Cannabis poses a potential threat to consumers if those microbes include pathogenic or toxigenic species. This study evaluated two widely used culture-based platforms for tot
Externí odkaz:
https://doaj.org/article/62de47ec86a94e0185e06b58797704d0
Autor:
Kevin McKernan, Jessica Spangler, Lei Zhang, Vasisht Tadigotla, Yvonne Helbert, Theodore Foss, Douglas Smith
Publikováno v:
F1000Research, Vol 4 (2016)
The Center for Disease Control estimates 128,000 people in the U.S. are hospitalized annually due to food borne illnesses. This has created a demand for food safety testing targeting the detection of pathogenic mold and bacteria on agricultural produ
Externí odkaz:
https://doaj.org/article/177ac55dca2f42608a478aaef6e759f6
Several methods were deployed to assess the nucleic acid composition of four expired vials of the Moderna and Pfizer bivalent mRNA vaccines. Two vials from each vendor were evaluated with Illumina sequencing, qPCR, RT-qPCR, Qubit™ 3 fluorometry and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b2cba5f8d8cce667365ecba8c7f54a0
https://doi.org/10.31219/osf.io/b9t7m
https://doi.org/10.31219/osf.io/b9t7m
Autor:
Kevin McKernan, Yvonne Helbert
Cannabis trichomes synthesize diverse collections of terpenes and antibiotic compounds likecannabinoids. Trichomes often contaminate flower homogenates utilized in cannabis microbialtesting and little is known about their effects on these platforms.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79864c240376735c1e2df7d867c537b2
https://doi.org/10.31219/osf.io/2jvm3
https://doi.org/10.31219/osf.io/2jvm3
Autor:
Kevin McKernan, Stephen McLaughlin, Nathan Houde, Liam T. Kane, Yvonne Helbert, Lei Zhang, Sherman Hom
Cannabis has a complex microbiome that can, in rare circumstances, contain four Aspergillus species of clinical and regulatory concern. Aspergillus flavus, Aspergillus fumigatus, Aspergillus niger, and Aspergillus terreus are regulated pathogens in m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0903e1927b281c7458430af9b21023ed
Autor:
Kevin McKernan, Yvonne Helbert, Liam T Kane, Lei Zhang, Nathan Houde, Anne Bennett, Juliana Silva, Heather Ebling, Stephen McLaughlin
Background: Cannabis safety testing requires adequate detection of a broad class of bacteria known as Enterobacteria, from the family of Enterobacteriaceae. These organisms are responsible for many food-borne illnesses including gastroenteritis, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1365df6bbd0517302f79caa49b141cf9
https://doi.org/10.31219/osf.io/j3msk
https://doi.org/10.31219/osf.io/j3msk
The chemical expression of THCA and CBDA has been previously attributed to copy number gains and losses in THCAS and CBDAS. Here we describe an alternative mechanism to ablate THCAS activity in 5 CBG dominant cannabis varietals. Five cannabis cultiva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ed138391fa1296cd1aa1063f20e02f6
The Psilocybe genus is well known for the synthesis of valuable psychoactive compounds such as Psilocybin, Psilocin, Baeocystin and Aeruginascin. The ubiquity of Psilocybin synthesis in Psilocybe has been attributed to a horizontal gene transfer mech
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a12fbc672579954d9a8550f8e2902985
In January of 2020, COVID-19 became a worldwide pandemic. As many industries shutdown to comply with social distancing measures, the cannabis industry was deemed an essential business in most U.S. jurisdictions. Cannabis is manually farmed, trimmed a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0902ba2fad6db7c070a7b1985d429f0d
https://doi.org/10.1101/2020.06.06.112474
https://doi.org/10.1101/2020.06.06.112474