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Publication
ID31260309Published Date2019-07-11JournalThe journal of physical chemistry. B, 2019-07-11, Volume 123
Ion specific outcomes at aqueous interfaces remain among the most enigmatic phenomena in interfacial chemistry. Here, charged fused silica/water interfaces have been probed by homodyne- and heterodyne-detected (HD) second harmonic generation (SHG) spectroscopy at pH 7 and 5.8 and for concentrations of LiCl, NaCl, NaBr, NaI, KCl, RbCl, and CsCl ranging from tens of micromolar to several hundred millimolar. For ionic strengths around 0.1-1 mM, SHG intensities increase reversibly by up to 15% co…
Publication
ID31213512Published Date2019-06-18JournalPlant physiology, 2019-06-18
Floral nectar is a sugary solution produced by plants to entice pollinator visitation. A general mechanism for nectar secretion has been established from genetic studies in Arabidopsis (Arabidopsis thaliana); however, supporting metabolic and biochemical evidence for this model is scarce in other plant species. We used squash (Cucurbita pepo) to test whether the genetic model of nectar secretion in Arabidopsis is supported at the metabolic level in other species. As such, we analyzed the expr…
Publication
ID31211480Published Date2019-06-18JournalAddiction (Abingdon, England), 2019-06-18
To perform a wastewater-based analysis to explore the impact of newly legalized retail cannabis sales on its use and to determine if this approach could estimate the size of the legal market place, which began 1 August 2014 in the study area.Laboratory study of raw wastewater samples collected and analyzed over the 3-year period from 2014 to 2016.Samples obtained from the two wastewater treatment plants that serviced a municipality of 200 000 people in the state of Washington, USA.Quantitativ…
Publication
ID31168105Published Date2019-06-01JournalNature, 2019-06-01, Volume 570
Biological invasions are both a pressing environmental challenge and an opportunity to investigate fundamental ecological processes, such as the role of top predators in regulating biodiversity and food-web structure. In whole-ecosystem manipulations of small Caribbean islands on which brown anole lizards (Anolis sagrei) were the native top predator, we experimentally staged invasions by competitors (green anoles, Anolis smaragdinus) and/or new top predators (curly-tailed lizards, Leiocephalu…
Publication
ID31148573Published Date2019-05-31JournalScientific reports, 2019-05-31, Volume 9
The snowpack is an important source of water for many Andean communities. Because of its importance, elemental and mineralogical composition analysis of the Andean snow is a worthwhile effort. In this study, we conducted a chemical composition analysis (major and trace elements, mineralogy, and chemical enrichment) of surface snow sampled at 21 sites across a transect of about 2,500 km in the Chilean Andes (18-41°S). Our results enabled us to identify five depositional environments: (i) sites…
Publication
ID31120849Published Date2019-05-01JournalThe American journal of occupational therapy : official publication of the American Occupational Therapy Association, 2019-05-01, Volume 73
Evidence Connection articles provide case examples of how practice decisions may be informed by findings of systematic reviews sponsored by the American Occupational Therapy Association Evidence-Based Practice Project. This Evidence Connection article is the second article in a two-part series. The first article described a case report of occupational therapy provided to a child with a diagnosis of autism spectrum disorder and challenges in sensory integration in a clinic setting (Parham et a…
Publication
ID31179407Published Date2019-04-30JournalACS omega, 2019-04-30, Volume 4
Cell plasma membranes are a heterogeneous mixture of lipids and membrane proteins. The importance of heterogeneous lipid domains (also called lipid rafts) as a molecular sorting platform has been implicated in many physiological processes. Cell plasma membranes that are detached from the cytoskeletal structure spontaneously phase separate into distinct domains at equilibrium, which show their inherent demixing properties. Recently, researchers have discovered that proteins with strong interpr…
Publication
ID31031939Published Date2019-04-01JournalEcology and evolution, 2019-04-01, Volume 9
Many lizards are olfactory foragers and prey upon herbivorous arthropods, yet their responses to common herbivore-associated plant volatiles remain unknown. As such, their role in mediating plant indirect defenses also remains largely obscured. In this paper, we use a cotton-swab odor presentation assay to ask whether lizards respond to two arthropod-associated plant-derived volatile compounds: 2-()-hexenal and hexanoic acid. We studied the response of two lizard species, and , because they d…
Publication
ID30850621Published Date2019-03-08JournalScientific reports, 2019-03-08, Volume 9
Vertical profiles of black carbon (BC) and other light-absorbing impurities were measured in seasonal snow and permanent snowfields in the Chilean Andes during Austral winters 2015 and 2016, at 22 sites between latitudes 18°S and 41°S. The samples were analyzed for spectrally-resolved visible light absorption. For surface snow, the average mass mixing ratio of BC was 15 ng/g in northern Chile (18-33°S), 28 ng/g near Santiago (a major city near latitude 33°S, where urban pollution plays a sign…
Publication
ID30521821Published Date2019-03-01JournalNeurotoxicology, 2019-03-01, Volume 71
Gonadotropin releasing hormone (GnRH) neurons in the brain are the main controllers of reproduction and reproductive behavior in most vertebrates, and are susceptible to endocrine disruption by different bisphenols. While the endocrine disrupting properties of bisphenol A have been well documented, commonly used analogues such as bisphenol F (BPF) are not as well studied. In this study we examined the effects of early, low-dose, chronic BPF exposure on the development of the GnRH neural syste…
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Research Grants: 88
Publications: 240
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