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STELLAR VARIABILITY OF THE EXOPLANET HOSTING STAR HD 63454
Kane, Stephen R.,Dragomir, Diana,Ciardi, David R.,Lee, Jae-Woo,Lo Curto, Gaspare,Lovis, Christophe,Naef, Dominique,Mahadevan, Suvrath,Pilyavsky, Genady,Udry, Stephane,Wang, Xuesong,Wright, Jason IOP Publishing 2011 The Astrophysical journal Vol.737 No.2
<P>Of the hundreds of exoplanets discovered using the radial velocity ( RV) technique, many are orbiting close to their host stars with periods less than 10 days. One of these, HD 63454, is a young active K dwarf which hosts a Jovian planet in a 2.82 day period orbit. The planet has a 14% transit probability and a predicted transit depth of 1.2%. Here we provide a re-analysis of the RV data to produce an accurate transit ephemeris. We further analyze 8 nights of time series data to search for stellar activity both intrinsic to the star and induced by possible interactions of the exoplanet with the stellar magnetospheres. We establish the photometric stability of the star at the 3 mmag level despite strong Ca II emission in the spectrum. Finally, we rule out photometric signatures of both star-planet magnetosphere interactions and planetary transit signatures. From this we are able to place constraints on both the orbital and physical properties of the planet.</P>
Pradeep, Lovy,Shin, Hang-Cheol,Scheraga, Harold A. Elsevier 2006 FEBS letters Vol.580 No.21
<P><B>Abstract</B></P><P>Several studies attribute the slower phases in protein folding to prolyl isomerizations, and several others do not. A correlation exists between the number of prolines in a protein and the complexity of the mechanism with which it folds. In this study, we have demonstrated a direct correlation between the number of <I>cis</I>-prolyl bonds in a native protein and the complexity with which it folds via slower phases by studying the folding of three structurally homologous proteins of the ribonuclease family, namely RNase A, onconase and angiogenin, which differ in the number and isomerization states of their proline residues.</P>
Improved cardiorespiratory fitness after occupational rehabilitation in merged diagnostic groups
Anne Lovise Nordstoga,Paul Jarle Mork,Marius Steiro Fimland 대한직업환경의학회 2018 대한직업환경의학회지 Vol.30 No.-
Background: Various occupational inpatient rehabilitation programs are established in Norway. This study aimed to assess change in cardiorespiratory fitness, pain, anxiety, depression, and quality of life in persons on long-term sick leave due to musculoskeletal-, mental or unspecific disorders after participation in multicomponent inpatient occupational rehabilitation. Methods: Twenty-five women and five men (mean age 45.2 years, SD 6.7, range 30–57) volunteered to participate in the study. The participants attended either 8 or 17 full days of occupational multicomponent rehabilitation including physical exercise, cognitive behavioral therapy in the form of acceptance and commitment therapy (ACT), and development of a tailored plan for return to work. Cardiorespiratory fitness was assessed by the Åstrand/Ryhming cycle test at the start and end of rehabilitation program, and at one-year follow-up. Changes in somatic and mental health were measured by questionnaires up to 4 months after start of the program. Results: Linear mixed models showed that the maximal oxygen uptake increased by 1.1 mL°kg-1°min<SUP>− 1</SUP> during the rehabilitation program and by 3.7 mL°kg-1°min<SUP>− 1</SUP> at one-year follow-up. There were minor improvements in somatic and mental health, and quality of life. Conclusions: This study indicates that occupational inpatient multicomponent rehabilitation including physical exercise and ACT may promote a long-term increase in physical exercise that is sufficient to induce a significant increase in cardiorespiratory fitness. Trial registration: The current study is not registered, but is part of a larger trial registered at clinicaltrials.gov