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cis‐1,2‐Di(1‐methyl‐2‐naphthyl)ethene, c‐1,1, undergoes photoisomerization in methylcyclohexane, isopentane and diethyl ether/isopentane/ethanol glasses at 77 K. On 313 nm excitation the fluorescence of c‐1,1 is replaced by fluorescence from t‐1,1. Singular value decomposition reveals that the spectral matrices behave as two component systems suggesting conversion of a stable c‐1,1 conformer to a...
Research has shown that the wax combs are important in the acquisition of colony odour in the honeybee, Apis mellifera. However, many of these studies were conducted in the laboratory or under artificial conditions. We investigated the role of the wax combs in nestmate recognition in the natural context of bees at colony entrances. Wax combs constructed by each experimental colony were swapped between...
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