Search Results - "Stephenson, Richard"
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When does an old nova become a dwarf nova? Kinematics and age of the nova shell of the dwarf nova AT Cancri
Published in Monthly notices of the Royal Astronomical Society (11-02-2017)“…The Z Cam-type dwarf nova AT Cancri (AT Cnc) displays a classical nova (CN) shell, demonstrating that mass transfer in cataclysmic binaries decreases…”
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Hoof wall masses removal in 30 standing sedated horses: Surgical technique, postoperative complications and long-term outcome
Published in Veterinary surgery (19-07-2024)“…To describe the surgical technique for removal of hoof wall masses in horses under standing sedation (SS) and local anesthesia (LA), and to report…”
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3
Novel Asymmetric Formylation of Aromatic Compounds: Enantioselective Synthesis of Formyl 7,8-Dipropyltetrathia[7]helicenes
Published in Chemistry : a European journal (14-09-2015)“…Asymmetric formylation of aromatic compounds is virtually unexplored. We report the synthesis and evaluation of a library including 20 new chiral formamides in…”
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4
The Use of (−)-Sparteine/Organolithium Reagents for the Enantioselective Lithiation of 7,8-Dipropyltetrathia[7]helicene: Single and Double Kinetic Resolution Procedures
Published in Chemistry : a European journal (14-12-2015)“…The effect of organolithium reagent (RLi: R=nBu, iPr, sBu, tBu), solvent (diethyl ether, diethyl ether/THF and MTBE), and stoichiometry on the…”
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5
Expanding the inhibitor space of the WWP1 and WWP2 HECT E3 ligases
Published in Journal of enzyme inhibition and medicinal chemistry (01-12-2024)“…The HECT E3 ubiquitin ligases 1 (WWP1) and 2 (WWP2) are responsible for the ubiquitin-mediated degradation of key tumour suppressor proteins and are…”
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A Transit of Venus Possibly Misinterpreted as an Unaided-Eye Sunspot Observation in China on 9 December 1874
Published in Solar physics (01-09-2019)“…Large sunspots can be observed with the unaided eye under suitable atmospheric seeing conditions. Such observations are of particular value because the…”
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Do the Chinese Astronomical Records Dated AD 776 January 12/13 Describe an Auroral Display or a Lunar Halo? A Critical Re-examination
Published in Solar physics (01-04-2019)“…The enhancement of carbon-14 in tree rings around AD 774/775 has generated wide interest in solar activity at that time. The historical auroral records have…”
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Circadian rhythms and sleep-related breathing disorders
Published in Sleep medicine (01-09-2007)“…Abstract Recent studies have provided evidence that the human circadian timing system has an influence on respiration and respiratory control. Both sleep and…”
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9
The Celestial Sign in the Anglo-Saxon Chronicle in the 770s: Insights on Contemporary Solar Activity
Published in Solar physics (01-04-2019)“…The anomalous concentration of radiocarbon in 774/775 attracted intense discussion on its origin, including the possible extreme solar event(s) exceeding any…”
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10
Energy Expenditure is Affected by Rate of Accumulation of Sleep Deficit in Rats
Published in Sleep (New York, N.Y.) (01-09-2010)“…Short sleep is a putative risk factor for obesity. However, prolonged total sleep deprivation (TSD) leads to negative energy balance and weight loss in…”
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(−)-Brunneusine, a new phenolic compound with antibacterial properties in aqueous medium from the leaves of Agelanthus brunneus (Engl.) Tiegh (LORANTHACEAE)
Published in Zeitschrift für Naturforschung C. A journal of biosciences (28-03-2022)“…(Loranthaceae) is a hemiparasitic plant growing on (Fabaceae). The chemical investigation of its leaves and flowers led to the isolation of one new phenolic…”
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Evaluation of peritoneal l‐lactate concentration in horses in the early post‐partum period
Published in Veterinary medicine and science (01-05-2024)“…Background Peritoneal fluid lactate concentration is an important diagnostic tool in horses with abdominal pain. Information on peritoneal lactate…”
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Upper‐Rim Monofunctionalisation in the Synthesis of Triazole‐ and Disulfide‐Linked Multicalix[4]‐ and ‐[6]arenes
Published in Chemistry : a European journal (17-12-2018)“…Covalently linked multiple calixarenes are valued in supramolecular chemistry. This work reports an easy and versatile synthetic route to covalently linked…”
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X‑ray Crystal Structures, Packing Behavior, and Thermal Stability Studies of a Homologous Series of n‑Alkyl-Substituted Polyhedral Oligomeric Silsesquioxanes
Published in Macromolecules (12-02-2013)“…The homologous series of octa-n-alkylsilsesquioxanes (n-alkylPOSS) was prepared by hydrosilylation of octahydrido-octasilsesquioxane H8T8 with terminal…”
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15
Theoretical and Experimental Investigation of Electric Field Induced Second Harmonic Generation in Tetrathia[7]helicenes
Published in Journal of physical chemistry. C (29-05-2008)“…In this paper, we report the first systematic experimental and theoretical investigation of the electric field induced second harmonic response of some…”
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16
Significance of the zero sum principle for circadian, homeostatic and allostatic regulation of sleep-wake state in the rat
Published in Physiology & behavior (01-12-2016)“…Abstract Sleep-wake behavior exhibits diurnal rhythmicity, rebound responses to acute total sleep deprivation (TSD), and attenuated rebounds following chronic…”
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Sleep homeostasis: Progress at a snail's pace
Published in Communicative & integrative biology (01-07-2011)“…We recently reported that a gastropod mollusc, Lymnaea stagnalis, exhibits a sleep-like quiescent state. However quiescence differed from mammalian sleep in…”
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Provenance of the cross sign of 806 in the Anglo-Saxon Chronicle : a possible lunar halo over continental Europe?
Published in History of geo- and space sciences (20-04-2020)“…While graphical records of astronomical/meteorological events before telescopic observations are of particular interest, they have frequently undergone…”
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On the Eclipse of Hipparchus
Published in Journal for the history of astronomy (01-02-2019)“…We investigate the date of observation of the Hipparchus eclipse using our latest measurement of historical variations in the Earth’s rotation to plot the…”
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The Provenance of Early Chinese Records of Large Solar Eclipses and the Determination of the Earth’s Rotation
Published in Journal for the history of astronomy (01-11-2018)“…An analysis of the tracks of total and annular solar eclipses crossing China reveals that most of the reports of such eclipses in the treatises in the dynastic…”
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