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Analysis of per-and polyfluoroalkyl substances in Houston Ship Channel and Galveston Bay following a large-scale industrial fire using ion-mobility-spectrometry-mass spectrometry

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Journal of Environmental Sciences 2022年第5期34卷 350-362页

作者： Alan Valdiviezo Noor AAly Yu-Syuan Luo Alexandra Cordova Gaston Casillas makayla foster Erin SBaker Ivan Rusyn Interdisciplinary Faculty of Toxicology Texas A&M UniversityCollege StationTX 77843USA Department of Veterinary Integrative Biosciences Texas A&M UniversityCollege StationTX 77843USA Department of Environmental and Occupational Health Texas A&M UniversityCollege StationTX 77843USA Department of Chemistry North Carolina State UniversityRaleighNC 27695USA

Per-and polyfluoroalkyl substances(PFAS)are persistent organic pollutants of concern be-cause of their ubiquitous presence in surface and ground water;analytical methods that can be used for rapid comprehensive exposure assessment and fingerprinting of PFAS are *** the fires at the Intercontinental Terminals Company(ITC)in Deer Park,TX in 2019,large quantities of PFAS-containing firefighting foams were *** release of these substances into the Houston Ship Channel/Galveston Bay(HSC/GB)prompted con-cerns over the extent and level of PFAS contamination.A targeted liquid chromatography-tandem mass spectrometry(LC-MS/MS)-based study of temporal and spatial patterns of PFAS associated with this incident revealed presence of 7 species;their levels gradually de-creased over a 6-month *** the targeted LC-MS/MS analysis was focused on about 30 PFAS molecules,it may have missed other PFAS compounds present in firefighting ***,we utilized untargeted LC-ion mobility spectrometry-mass spectrome-try(LC-IMS-MS)-based analytical approach for a more comprehensive characterization of PFAS in these water *** analyzed 31 samples from 9 sites in the HSC/GB that were collected over 5 months after the *** data showed that additional 19 PFAS were detected in surface water of HSC/GB,most of them decreased gradually after the *** features detected by LC-MS/MS correlated well in abundance with LC-IMS-MS data;however,LC-IMS-MS identified a number of additional PFAS,many known to be compo-nents of firefighting *** findings therefore illustrate that untargeted LC-IMS-MS improved our understanding of PFAS presence in complex environmental samples.

关键词： Emergency Environmental disaster PFAS

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Longitudinal Participatory Surveillance Highlights Association Between Mask-Wearing and Lower COVID-19 Risk-United States,2020

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China CDC weekly 2022年第52期4卷 1169-1175页

作者： makayla Swaciak Zachary Popp Autumn Gertz Kara Sewalk Marinanicole Schultheiss Benjamin Rader John S.Brownstein Computational Epidemiology Lab Boston Children’s HospitalBostonMAUSA Boston University School of Public Health Boston UniversityBostonMAUSA Harvard Medical School Harvard UniversityCambridgeMAUSA.

Summary What is already known about this topic?Numerous ecological and laboratory studies suggest face masks are an effective non-pharmaceutical intervention for reducing the spread of coronavirus disease 2019(COVID-19),but cannot otherwise assess individual-level *** is added by this report?Using a prospective cohort of individuals enrolled in a participatory,syndromic surveillance tool prior to the first case of COVID-19 in the United States,we present a novel longitudinal assessment of the effectiveness of face masks.

关键词： Lower otherwise COV

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Relationship of Aboriginal family wellbeing to social and cultural determinants,Central Australia:‘Waltja tjutangku nyakunytjaku’

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Family Medicine and Community Health 2022年第4期10卷 4-15页

作者： Alyson Wright Vanessa Napaltjarri Davis makayla-May Brinckley Raymond Lovett Joanne Thandrayen Mandy Yap William Sanders Emily Banks National Centre for Epidemiology and Population Health Research School of Population HealthAustralian National UniversityCanberraAustralian Capital TerritoryAustralia Tangentyere Research Hub Tangentyere CouncilAlice SpringsNorthern TerritoryAustralia Centre for Aboriginal Economic and Policy Research Australian National UniversityCanberraAustralian Capital TerritoryAustralia

Objective The objective of this study was to apply a strength-based approach to examine the relation of cultural and social determinants to high family functioning for Aboriginal people in Central *** Cross-sectional study involving a quantitative analysis of survey *** rate ratios(PRs)and 95%CIs were calculated from binomial regressions,adjusted for gender and *** data from workshops with Aboriginal leaders in Central Australia supported the interpretation of the research *** The study involved 639 Aboriginal people in Central Australia who participated in the Mayi Kuwayu *** Overall,57.9%(370/639)of participants reported high/very high family functioning,16.9%(108/639)reported moderate and 13.3%(85/639)reported *** adjusted prevalence of family functioning was similar across gender,age groups and household *** functioning was associated with lower family financial status(aPR=0.74,95%CI=0.60 to 0.91)and receiving welfare(0.88,0.77 to 1.00).Family functioning was greater with high community cohesion(2.72,1.68 to 4.39),high individual agency in community(2.15,1.63 to 2.85);having an Aboriginal language as a first language(1.20,1.04 to 1.37);speaking your Aboriginal language a lot(1.37,1.12 to 1.68);high exposure to cultural practice and knowledge(1.45,1.28 to 1.65);and multigenerational or extended family households(1.19,1.02 to 1.38).Conclusion High family functioning is a strength in Central Australia and is intrinsically connected with *** providers and programmes that build on the foundations of culture and family are an important approach to improving wellbeing.

关键词： cohesion Australia apply

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希拉里：我的抉择时刻

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作者：莉斯塔娜(Listana makayla)

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希拉里：我的抉择时刻

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作者：莉斯塔娜(makayla Listana)

来源：南通市图书馆图书评论

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