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Relevant bibliographies by topics / Calamistrum

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Academic literature on the topic 'Calamistrum'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Calamistrum"

1

Joel, Anna-Christin, Ingo Scholz, Linda Orth, Peter Kappel, and Werner Baumgartner. "Morphological adaptation of the calamistrum to the cribellate spinning process in Deinopoidae (Uloboridae, Deinopidae)." Royal Society Open Science 3, no. 2 (2016): 150617. http://dx.doi.org/10.1098/rsos.150617.

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Spiders are famous for their silk with fascinating mechanical properties. However, some can further produce, process and handle nano fibres, which are used as capture threads. These ‘cribellate spiders’ bear a specialized setae comb on their metatarsus (calamistrum), which modifies cribellate nano fibres to assemble a puffy structure within the capture thread. Among different species, the calamistrum morphology can differ remarkably. Although a model of thread production has been established for Uloborus plumipes , it is not resolved if/how different shaped calamistra influence the production

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2

Heiss, Alexander, Daesung Park, and Anna-Christin Joel. "The Calamistrum of the Feather-Legged Spider Uloborus plumipes Investigated by Focused Ion Beam and Scanning Electron Microscopy (FIB–SEM) Tomography." Microscopy and Microanalysis 24, no. 2 (2018): 139–46. http://dx.doi.org/10.1017/s1431927618000132.

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AbstractSpiders are natural specialists in fiber processing. In particular, cribellate spiders manifest this ability as they produce a wool of nanofibers to capture prey. During its production they deploy a sophisticated movement of their spinnerets to darn in the fibers as well as a comb-like row of setae, termed calamistrum, on the metatarsus which plays a key role in nanofiber processing. In comparison to the elaborate nanofiber extraction and handling process by the spider’s calamistrum, the human endeavors of spinning and handling of artificial nanofibers is still a primitive technical pr

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3

Meyer, Marco, Gerda Buchberger, Johannes Heitz, Dariya Baiko, and Anna-Christin Joel. "Ambient Climate Influences Anti-Adhesion between Biomimetic Structured Foil and Nanofibers." Nanomaterials 11, no. 12 (2021): 3222. http://dx.doi.org/10.3390/nano11123222.

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Due to their uniquely high surface-to-volume ratio, nanofibers are a desired material for various technical applications. However, this surface-to-volume ratio also makes processing difficult as van der Waals forces cause nanofibers to adhere to virtually any surface. The cribellate spider Uloborus plumipes represents a biomimetic paragon for this problem: these spiders integrate thousands of nanofibers into their adhesive capture threads. A comb on their hindmost legs, termed calamistrum, enables the spiders to process the nanofibers without adhering to them. This anti-adhesion is due to a ri

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4

Marusik, Y. M., and A. Zamani. "A New Species of Sahastata (Aranei, Filistatidae) from Southern Iran." Vestnik Zoologii 50, no. 3 (2016): 267–70. http://dx.doi.org/10.1515/vzoo-2016-0031.

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Abstract Sahastata amethystina sp. n. is described based on the holotype female from Kerman Province, Iran. The new species is easily differentiated from other congeners by the bright violet carapace in live specimens as well as by shape of the calamistrum and endogyne.

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5

Paun, Irina Alexandra, Bogdan Stefanita Calin, Roxana Cristina Popescu, Eugenia Tanasa, and Antoniu Moldovan. "Laser Direct Writing of Dual-Scale 3D Structures for Cell Repelling at High Cellular Density." International Journal of Molecular Sciences 23, no. 6 (2022): 3247. http://dx.doi.org/10.3390/ijms23063247.

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The fabrication of complex, reproducible, and accurate micro-and nanostructured interfaces that impede the interaction between material’s surface and different cell types represents an important objective in the development of medical devices. This can be achieved by topographical means such as dual-scale structures, mainly represented by microstructures with surface nanopatterning. Fabrication via laser irradiation of materials seems promising. However, laser-assisted fabrication of dual-scale structures, i.e., ripples relies on stochastic processes deriving from laser–matter interaction, lim

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6

POLOTOW, DANIELE, and CHARLES GRISWOLD. "Chinja, a new genus of spider from the Eastern Arc Mountains of Tanzania (Araneae, Zoropsidae)." Zootaxa 4472, no. 3 (2018): 545. http://dx.doi.org/10.11646/zootaxa.4472.3.7.

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The new zoropsid spider genus Chinja Polotow & Griswold is diagnosed and described and the following two new species are described: C. chinja sp. nov. and C. scharffi sp. nov. The species were collected in the Eastern Arc Mountains of Tanzania and appear to be endemic to this region. The genus belongs to the oval-calamistrum clade (OC Clade), which also includes Dionycha and Lycosoidea. Based on the synapomorphies and diagnostic characters of members of the OC Clade, Chinja is considered a member of Zoropsidae, although without a clear subfamily placement due to insufficient data. Males of

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7

Hajer, Jaromír, Lenka Foberová, and Dana Řeháková. "Silk-producing organs of ecribellate and cribellate nymphal stages in Austrochilus sp. (Araneae: Austrochilidae): Notes on the transformation of the anterior median spinnerets into the cribellum." Israel Journal of Entomology 47 (July 24, 2017): 21–33. https://doi.org/10.5281/zenodo.834179.

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During its life cycle, the cribellate spider <em>Austrochilus</em> sp. passes through the ecribellate nymphal, or spiderling stage (= the first instar, after leaving the egg sac), which has three pairs of spinnerets. According to the position and distribution of spigots on the spinnerets, these spigots are assumed to be connected to <em>glandulae ampullaceae major</em>, <em>glandulae ampullaceae minor</em>, <em>glandulae piriformes</em> and <em>glandulae aciniformes</em>. Such a spinning apparatus allows spiderlings to make draglines, attachment discs and silk for the molting platform. The

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8

Opell, Brent D. "CRIBELLUM AND CALAMISTRUM ONTOGENY IN THE SPIDER FAMILY ULOBORIDAE: LINKING FUNCTIONALLY RELATED BUT SEPARATE SILK SPINNING FEATURES." Journal of Arachnology 29, no. 2 (2001): 220–26. http://dx.doi.org/10.1636/0161-8202(2001)029[0220:cacoit]2.0.co;2.

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9

Heitz, Johannes, Gerda Buchberger, Werner Baumgartner, et al. "Change of Adhesion Properties of Bioinspired Laser-Induced Periodic Nanostructures towards Cribellate Spider Nanofiber Threads by Means of Thin Coatings." Coatings 14, no. 7 (2024): 790. http://dx.doi.org/10.3390/coatings14070790.

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We investigated the effect of additional continuous functional coatings, which changed the hydrophilic–hydrophobic properties of the surface without heavily influencing the surface topography at the nanoscale, on the antiadhesive properties of bioinspired laser-induced periodic nanostructures. These nanostructures mimic the antiadhesive structures on the silk-combing area on the legs of cribellate spiders, the calamistrum. The thin films were deposited by matrix-assisted laser deposition and characterized by infrared spectroscopy, X-ray photoelectron spectroscopy, water contact angle measureme

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Polotow, Daniele, Anthea Carmichael, and Charles E. Griswold. "Total evidence analysis of the phylogenetic relationships of Lycosoidea spiders (Araneae, Entelegynae)." Invertebrate Systematics 29, no. 2 (2015): 124. http://dx.doi.org/10.1071/is14041.

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Phylogenetic relationships within the superfamily Lycosoidea are investigated through the coding and analysis of character data derived from morphology, behaviour and DNA sequences. In total, 61 terminal taxa were studied, representing most of the major groups of the RTA-clade (i.e. spiders that have a retrolateral tibial apophysis on the male palp). Parsimony and model-based approaches were used, and several support values, partitions and implied weighting schemes were explored to assess clade stability. The morphological–behavioural matrix comprised 96 characters, and four gene fragments wer

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Book chapters on the topic "Calamistrum"

1

"calamistrum, n." In Oxford English Dictionary, 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/2384609864.

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