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At least 127 records · Page 7Linked to original sources
PubMed1990

"Venus gets in my thinking": drinking and female sexuality in the age of AIDS.

Despite the strength of the cultural belief in the power of alcohol to disinhibit sexual impulses, the relationship of drinking and sex has only recently become the subject of empirical research. In light of the AIDS epidemic, any such relationship takes on increased importance. This paper reviews the literature on the effects of alcohol on sexual behavior in women, including discussion of both sexual activity per se and unsafe sexual behavior in particular. Although little is known about the relationship of drinking to sexual risk-taking in women, data from these lines of research provide a starting point for investigations on the ways in which drinking and sex may be associated.

Acquired Immunodeficiency Syndrome↗
PubMed2003

Mechanical disturbance affects haemocyte functionality in the Venus clam Chamelea gallina.

The clam Chamelea gallina is fairly common along the western coastline of the Adriatic Sea, where it is subjected to intense fishing. To evaluate possible causes of stress in clam populations, the effects of acute mechanical disturbance on haemocyte functionality were analysed in both laboratory and field experiments. Among the various sources of stress that clams undergo during commercial fishing by hydraulic dredges, water pressure and mechanical sorting were considered, and three increasing levels of stress were applied. A reduction in immunosurveillance was highlighted, concentrations of circulating haemocytes, phagocytic and acid phosphatase activity indices decreased with increasing mechanical stress. The opposite trend shown by the beta-glucuronidase activity index is discussed. The response of clam haemocytes, detected on seasonal bases in two sites, often exhibited peculiar patterns, mostly depending on the reproductive cycle, and were probably influenced by different features of the sea bottom. Although recovery after stress was observed in laboratory experiments, some considerations are made on detrimental effects experienced in the field by under-sized clams, which are first fished and then thrown back into the sea.

Acid Phosphatase↗
PubMed2003

Slow anion exchange, conformational equilibria, and fluorescent sensing in venus flytrap aminopyridinium-based anion hosts.

The synthesis, anion binding, and conformational properties of a series of 3-aminopyridinium-based, tripodal, tricationic hosts for anions are described. Slow anion and conformational exchange on the (1)H NMR time scale at low temperature, coupled with NMR titration, results in a high level of understanding of the anion-binding properties of the compounds, particularly with respect to significant conformational change resulting from induced fit complexation. Peak selectivity for halides, particularly Cl(-), is observed. The approach has been extended to dipodal and tripodal podands based on 3-aminopyridinium "arms" containing photoactive anthracenyl moieties. The 1,3,5-tripodal host shows a remarkable selectivity for acetate over other anions, in contrast to the analogous unsubstituted tris(3-aminopyridinium) analogue, despite the fact that low-temperature (1)H NMR experiments reveal a total of four acetate-binding conformations. Photodimerization of anthracene units results in the formation of potential fluorescent anion sensors.

Journal Article↗