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Volumes of activation for catalysed Diels–Alder reactions
J. Chem. Soc., Perkin Trans. 2, 1994The Diels–Alder reactions between isoprene and N-phenylmaleimide catalysed by Lewis acids, in particular by aluminium chloride and by lithium perchlorate, have volumes of activation more negative than does the uncatalysed reaction. That between anthracene-9-methanol and N-ethyl-maleimide is faster in water than in organic solvents, and has a slightly ...
Neil S. Isaacs +2 more
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Diel activity of the pink shrimp Penaeus duorarum
Hydrobiologia, 1979Twelve juvenile pink shrimp, Penaeus duorarum Burkenroad, were tested individually for 3-day periods in electronic shuttleboxes to determine their diel patterns of locomotor activity, in relation to a natural summer photoperiod. Nocturnal activity was twice that exhibited during the daytime; however, a bimodal pattern was evident with crepuscular peaks
William Wallace Reynolds +1 more
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Weather entrainment and multispectral diel activity rhythm of desert hamsters
Behavioural Processes, 2013The circadian rhythm of animals is an adaptation to predictable variation in environmental conditions. Multiple internal oscillators may allow animals to cope with environmental oscillations in different frequencies. Heat stress and dramatic differences between night and day temperatures are the main selective pressures of the diel activity of desert ...
Xinrong, Wan +3 more
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Active site mutagenesis of the putative Diels–Alderase macrophomate synthase
Chem. Commun., 2007Although the macrophomate synthase active site is rich in potential functional groups, site-directed mutagenesis shows that only three residues are absolutely required for catalysis of oxaloacetate decarboxylation and trapping of the resulting enolate with a 2-pyrone; the other residues that line the binding pocket are surprisingly tolerant to ...
Jörg M, Serafimov +3 more
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American Cancer Society nutrition and physical activity guideline for cancer survivors
Ca-A Cancer Journal for Clinicians, 2022Cheryl L Rock +2 more
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American Cancer Society guideline for diet and physical activity for cancer prevention
Ca-A Cancer Journal for Clinicians, 2020Cheryl L Rock +2 more
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Antibody–drug conjugates: Smart chemotherapy delivery across tumor histologies
Ca-A Cancer Journal for Clinicians, 2022Paolo Tarantino +2 more
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Molecular imaging in oncology: Current impact and future directions
Ca-A Cancer Journal for Clinicians, 2022Steven P Rowe, Martin G Pomper
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