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Showing 169 to 178 of 178 entries
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Trocylation of 3-quinuclidinol, a key marker for the chemical warfare agent 3-quinuclidinyl benzilate, for its enhanced detection at low levels in complex soil matrices by electron ionization gas chromatography-mass spectrometry.

Rapid communications in mass spectrometry : RCM

Valdez CA, Leif RN, Vu AK, Salazar EP.
PMID: 33955039
Rapid Commun Mass Spectrom. 2021 Aug 15;35(15):e9123. doi: 10.1002/rcm.9123.

RATIONALE: Detection of 3-quinuclidinol (3Q), a marker for the chemical warfare agent 3-quinuclidinyl benzilate, is very difficult by gas chromatography-mass spectrometry (GC/MS), providing low, broad signals even when analyzed in isolated form. Therefore, a method that can convert 3Q...

Detection and removal of .

Environmental technology

Valdez FQ, Leite LS, Zanetoni Filho JA, Tango MD, Daniel LA.
PMID: 33334260
Environ Technol. 2021 Jan 07;1-10. doi: 10.1080/09593330.2020.1866083. Epub 2021 Jan 07.

The discharge of raw wastewater into the environment can be a contamination source of

HIV disease dynamics, markers of inflammation and CNS injury during primary HIV infection and their relationship to cognitive performance.

Journal of acquired immune deficiency syndromes (1999)

Longino AA, Paul R, Wang Y, Lama JR, Brandes P, Ruiz E, Correa C, Keating S, Spudich SS, Pilcher C, Vecchio A, Pasalar S, Bender Ignacio RA, Valdez R, Dasgupta S, Robertson K, Duerr A.
PMID: 34629415
J Acquir Immune Defic Syndr. 2021 Oct 07; doi: 10.1097/QAI.0000000000002832. Epub 2021 Oct 07.

INTRODUCTION: Early systemic and central nervous system viral replication and inflammation may impact brain integrity in people with HIV (PWH), leading to chronic cognitive symptoms not fully reversed by antiretroviral therapy (ART). This study examined associations between cognitive performance...

An ecological expansion of the adverse childhood experiences (ACEs) framework to include threat and deprivation associated with U.S. immigration policies and enforcement practices: An examination of the Latinx immigrant experience.

Social science & medicine (1982)

Barajas-Gonzalez RG, Ayón C, Brabeck K, Rojas-Flores L, Valdez CR.
PMID: 34146987
Soc Sci Med. 2021 Aug;282:114126. doi: 10.1016/j.socscimed.2021.114126. Epub 2021 Jun 12.

The Adverse Childhood Experiences (ACEs) framework has contributed to advances in developmental science by examining the interdependent and cumulative nature of adverse childhood environmental exposures on life trajectories. Missing from the ACEs framework, however, is the role of pervasive...

HIV Disease Dynamics and Markers of Inflammation and CNS Injury During Primary HIV Infection and Their Relationship to Cognitive Performance.

Journal of acquired immune deficiency syndromes (1999)

Longino AA, Paul R, Wang Y, Lama JR, Brandes P, Ruiz E, Correa C, Keating S, Spudich SS, Pilcher C, Vecchio A, Pasalar S, Bender Ignacio RA, Valdez R, Dasgupta S, Robertson K, Duerr A.
PMID: 34629415
J Acquir Immune Defic Syndr. 2022 Feb 01;89(2):183-190. doi: 10.1097/QAI.0000000000002832.

INTRODUCTION: Early systemic and central nervous system viral replication and inflammation may affect brain integrity in people with HIV, leading to chronic cognitive symptoms not fully reversed by antiretroviral therapy (ART). This study examined associations between cognitive performance and...

Climatic and ecological determinants of leaf lifespan in polar forests of the high CO.

Global change biology

Brentnall SJ, Beerling DJ, Osborne CP, Harland M, Francis JE, Valdes PJ, Wittig VE.
PMID: 34991284
Glob Chang Biol. 2005 Dec;11(12):2177-2195. doi: 10.1111/j.1365-2486.2005.001068.x.

Polar forests once extended across the high-latitude landmasses during ice-free 'greenhouse' intervals in Earth history. In the Cretaceous 'greenhouse' world, Arctic conifer forests were considered predominantly deciduous, while those on Antarctica contained a significantly greater proportion of evergreens. To...

Oral Health Literacy in Migrant and Ethnic Minority Populations: A Systematic Review.

Journal of immigrant and minority health

Valdez R, Spinler K, Kofahl C, Seedorf U, Heydecke G, Reissmann DR, Lieske B, Dingoyan D, Aarabi G.
PMID: 34448993
J Immigr Minor Health. 2021 Aug 27; doi: 10.1007/s10903-021-01266-9. Epub 2021 Aug 27.

Cultural background influences how migrants and ethnic minority populations view and assess health. Poor oral health literacy (OHL) may be a hindrance in achieving good oral health. This systematic review summarizes the current quantitative evidence regarding OHL of migrants...

Comparative analysis of sleep patterns and attention components in high school and college adolescents.

Sleep science (Sao Paulo, Brazil)

Diogo FMC, Galina SD, de Oliveira MLC, Valdez P, de Azevedo CVM.
PMID: 34917273
Sleep Sci. 2021 Jan-Mar;14:49-55. doi: 10.5935/1984-0063.20200085.

Adolescence is a phase with physiological and behavioral changes. One of them occurs in the sleep-wake cycle pattern, manifested by a phase delay. However, morning school start time can decrease sleep duration during weekdays, impairing adolescent cognitive performance and...

Acylation as a successful derivatization strategy for the analysis of pinacolyl alcohol in a glycerol-rich matrix by GC-MS: application during an OPCW Proficiency Test.

Analytical and bioanalytical chemistry

Valdez CA, Corzett TH, Leif RN, Fisher CL, Hok S, Koester CJ, Alcaraz A.
PMID: 33770208
Anal Bioanal Chem. 2021 May;413(12):3145-3151. doi: 10.1007/s00216-021-03296-6. Epub 2021 Mar 25.

A derivatization protocol based on the acylation of pinacolyl alcohol (PA), an important marker for the nerve agent soman, is presented. The procedure provides a convenient means of detecting, by gas chromatography-mass spectrometry (GC-MS), PA when present at a...

Towards a European strategy to address the COVID-19 pandemic.

Lancet (London, England)

Priesemann V, Balling R, Bauer S, Beutels P, Valdez AC, Cuschieri S, Czypionka T, Dumpis U, Glaab E, Grill E, Hotulainen P, Iftekhar EN, Krutzinna J, Lionis C, Machado H, Martins C, McKee M, Pavlakis GN, Perc M, Petelos E, Pickersgill M, Prainsack B, Rocklöv J, Schernhammer E, Szczurek E, Tsiodras S, Van Gucht S, Willeit P.
PMID: 34384539
Lancet. 2021 Sep 04;398(10303):838-839. doi: 10.1016/S0140-6736(21)01808-0. Epub 2021 Aug 09.

No abstract available.

Showing 169 to 178 of 178 entries