5,502 research outputs found

    Triterpenoids

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    This review covers the isolation and structure determination of triterpenoids reported during 2012 including squalene derivatives, lanostanes, holostanes, cycloartanes, cucurbitanes, dammaranes, euphanes, tirucallanes, tetranortriterpenoids, quassinoids, lupanes, oleananes, friedelanes, ursanes, hopanes, serratanes, isomalabaricanes and saponins; 348 references are cited

    Alien Registration- Hill, Joseph A. (Portland, Cumberland County)

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    https://digitalmaine.com/alien_docs/23941/thumbnail.jp

    Recent Federal Census of Prisoners

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    Alien Registration- Hill, Joseph A. (Portland, Cumberland County)

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    https://digitalmaine.com/alien_docs/23941/thumbnail.jp

    Recent Federal Census of Prisoners

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    Alien Registration- Hill, Joseph A. (Portland, Cumberland County)

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    https://digitalmaine.com/alien_docs/23941/thumbnail.jp

    Ill-Timed: The Effect of Early Chronic Illness Onset on Young Adult Psychosocial Development

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    Chronic illness affects nearly half of all American adults, yet this experience is often regarded as socially normative for older adults. In this study, I examined chronic illness onset early in the life course and its effects on mastery, a person’s self-perception as capable of coping with and managing life’s circumstances, and depressive symptoms as informed by the life course perspective and the stress process model. Using multilevel modeling of American Changing Lives Survey (ACLS) data, I examined the following questions: What is the relationship between early onset chronic illness and mastery? Second, what is the relationship between early onset chronic illness and depressive symptoms? Does mastery mediate the relationship between early onset chronic illness and depressive symptoms? Is early onset chronic illness (24-35) more strongly associated with decreased mastery and increased depressive symptoms than illness onset at the more socially normative life stages of mid-life (36-64) and late-life (65 years and older)? Lastly, does mastery mediate or moderate the relationship between timing of illness onset and depressive symptoms? Through this study, I aim to contribute to sociological knowledge of whether and how chronic illness impacts mastery and depression among young adults. I argue that ill-timed chronic illness impacts young adults’ sense of control over their lives, which has enduring psychological and social consequences. Findings support that healthy and chronically ill young adults do not significantly differ on mastery, but ill young adults report significantly higher depressive symptoms than healthy same age peers. Mastery moderates the effects of timing of illness onset on depressive symptoms with older adults reaping greater benefit from mastery against depressive symptoms than young adults with early onset illness. These findings suggest that early onset chronic illness positions people at greater risk for poor mental health outcomes and that the chronic illness experience and its effects are not uniform across the life course. Consequently, work in this area must consider age as an important context in which the life event of chronic illness onset occurs

    Triterpenoids

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    Covering: 2013. Previous review: Nat. Prod. Rep., 2015, 29, 1028–1065 This review covers the isolation and structure determination of triterpenoids reported during 2013 including squalene derivatives, lanostanes, holostanes, cycloartanes, cucurbitanes, dammaranes, euphanes, tirucallanes, tetranortriterpenoids, quassinoids, lupanes, oleananes, friedelanes, ursanes, hopanes, serratanes, isomalabaricanes and saponins; 350 references are cited

    A comparative study of WASP-67b and HAT-P-38b from WFC3 data

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    Atmospheric temperature and planetary gravity are thought to be the main parameters affecting cloud formation in giant exoplanet atmospheres. Recent attempts to understand cloud formation have explored wide regions of the equilibrium temperature-gravity parameter space. In this study, we instead compare the case of two giant planets with nearly identical equilibrium temperature (TeqT_\mathrm{eq} ∼1050 K\sim 1050 \, \mathrm{K}) and gravity (g∼10 m s−1)g \sim 10 \, \mathrm{m \, s}^{-1}). During HSTHST Cycle 23, we collected WFC3/G141 observations of the two planets, WASP-67 b and HAT-P-38 b. HAT-P-38 b, with mass 0.42 MJ_\mathrm{J} and radius 1.4 RJR_\mathrm{J}, exhibits a relatively clear atmosphere with a clear detection of water. We refine the orbital period of this planet with new observations, obtaining P=4.6403294±0.0000055 dP = 4.6403294 \pm 0.0000055 \, \mathrm{d}. WASP-67 b, with mass 0.27 MJ_\mathrm{J} and radius 0.83 RJR_\mathrm{J}, shows a more muted water absorption feature than that of HAT-P-38 b, indicating either a higher cloud deck in the atmosphere or a more metal-rich composition. The difference in the spectra supports the hypothesis that giant exoplanet atmospheres carry traces of their formation history. Future observations in the visible and mid-infrared are needed to probe the aerosol properties and constrain the evolutionary scenario of these planets.Comment: 16 pages, 17 figures, 8 tables, accepted for publication in The Astronomical Journa
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