Brigitte Fröhlich

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OBJECTIVE For patients who are terminally ill, the efficiency of symptom management is dependent, among other factors, on an accurate assessment by proxy raters. The aim of this prospective study is to describe differences in symptom severity ratings between patients and their nurses, physicians, and family members during their stay in different departments(More)
We used the proboscis extension reflex of honeybees to test their ability to discriminate between comb waxes of different ages (wax scales, 1-week-old wax, 2- to 3-year-old wax, 8- to 10-year-old wax). Such waxes differ in their chemical composition, and an ability to discriminate between them may aid the orientation of the bees in the nest. To train the(More)
Current enzyme studies on the biosynthesis of gallotannins with cell-free extracts from leaves of staghorn sumac (Rhus typhina L.) revealed the existence of two new β-glucogallin-dependent galloyltransferases (EC 2.3.1.-) that preferentially catalyzed the acylation of hexa- and heptagalloylglucoses. One enzyme was most active with the hexagalloylglucose,(More)
Micro-Raman spectroscopy and Raman mapping are applied to investigate the spatial distribution and chemical composition of wax and propolis in the comb of Apis mellifera carnica (Pollm). A thick layer of propolis at the rim of some cells is identified by Raman spectroscopy. Raman mapping is applied to resolve the distribution of propolis and wax on a micron(More)
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