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Dual Chemical Barriers Protect a Plant Against Different Larval Stages of an Insect
The host plants of the native American butterfly, Pieris napi oleracea, include most wild mustards. However, garlic mustard, Alliaria petiolata, a highly invasive weed that was introduced fromExpand
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Seasonal Anointment with Millipedes in a Wild Primate: A Chemical Defense Against Insects?
Members of a wild group of wedge-capped capuchin monkeys (Cebus olivaceus) intentionally anoint themselves with millipedes (Orthoporus dorsovittatus). Chemical analysis revealed these millipedesExpand
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Attractive and defensive functions of the ultraviolet pigments of a flower (Hypericum calycinum)
The flower of Hypericum calycinum, which appears uniformly yellow to humans, bears a UV pattern, presumably visible to insects. Two categories of pigments, flavonoids and dearomatized isoprenylatedExpand
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Collisionally-induced dissociation mass spectra of organic sulfate anions
The collisionally-induced dissociation mass spectra of a variety of organic sulfate ester anions are described and mechanistically rationalized. A cyclic syn-elimination pathway, analogous to that ofExpand
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A cyanoallyl glucoside from Alliaria petiolata, as a feeding deterrent for larvae of Pieris napi oleracea.
Alliarinoside, a feeding inhibitor against early instar larvae of Pieris napi oleracea, was isolated from the foliage of Alliaria petiolata and characterized asExpand
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Defensive production of quinoline by a phasmid insect (Oreophoetes peruana).
Adults and nymphs of the Peruvian stick insect Oreophoetes peruana (order Phasmatodea) have a pair of thoracic glands from which they discharge a malodorous fluid when disturbed. The secretionExpand
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Self-defensive layer-by-layer films with bacteria-triggered antibiotic release.
We report on highly efficient, bioresponsive, controlled-release antibacterial coatings constructed by direct assembly of tannic acid (TA) with one of several cationic antibiotics (tobromycin,Expand
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LC/MS characterization of undesired products formed during iodoacetamide derivatization of sulfhydryl groups of peptides.
Many undesired by-products have been noticed during alkylation with iodoacetamide, a widely used derivatization reaction in proteomics for the determination of sulfhydryl groups in peptides andExpand
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Chemical composition and function of metapleural gland secretion of the ant,Crematogaster deformis smith (hymenoptera: Myrmicinae)
The secretion of the hypertrophied metapleural gland of the antCrematogaster deformis contains a mixture of phenols, consisting mainly of 3-propylphenol, 3-pentylphenol,Expand
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Complex chemical communication in the crazy ant Paratrechina longicornis Latreille (Hymenoptera: Formicidae)
Summary.The formicine ant Paratrechina longicornis is known for its extremely opportunistic foraging behaviour. Only a single trail pheromone source, the rectum, was previously described from thisExpand
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