Stiffness distribution in insect cuticle: a continuous or a discontinuous profile?
نویسندگان
چکیده
منابع مشابه
A Rubber-like Protein in Insect Cuticle
The cuticle of arthropods is complex and varies enormously in structure, properties and composition even within the same species (cf. Richards, 1951). However, the mechanical behaviour is dominated by materials in the solid state of matter so that the mature cuticles hitherto described in the literature may be classed as solid cuticle. It was therefore surprising to find that certain patches of...
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Reape (1991) notes that it is possible to develop grammars based on the concept of discontinuous constituents which span every subset of an input string. The complexity of the paring problem for such grammars is at least exponential in both time and space. As Reape (1991, p. 62) has argued for the processing of grammars with discontinuous constituents and as Carroll (1994) has demonstrated for ...
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During the last years, several grammarians have argued for linguistic descriptions of language that use the con-has shown that in the worst case 2 n constituents can be built for an input string of length n if discontinuous constituents are allowed. As Carroll (1994) has demonstrated, such theoretical values are not of much help when it comes to practical systems. In the following I will compar...
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Many parts of the insect exoskeleton experience repeated cyclic loading. Although the cuticle of insects and other arthropods is the second most common natural composite material in the world, so far nothing is known about its fatigue properties, despite the fact that fatigue undoubtedly limits the durability of body parts in vivo. For the first time, we here present experimental fatigue data o...
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Incubation o f deproteinized larval cuticle (chitin flakes) with purified arylphorin (calliphorin) or larval haemolymph o f Calliphora vicina resulted in the formation o f a chitin-protein complex. Enzymatic oxidation o f N-ß-alanyldopamine (N D A B ) in the presence o f chitin flakes or the chitin-protein complex, resulted in various degrees o f cross-linking o f N BA D quinone formed with chi...
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ژورنال
عنوان ژورنال: Journal of The Royal Society Interface
سال: 2017
ISSN: 1742-5689,1742-5662
DOI: 10.1098/rsif.2017.0310