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Biomimetics, Volume 5, Issue 1

2020 March - 11 articles

Cover Story: The orientation-dependent reflection of structurally coloured butterflies is caused by a diversity of photonic structures. The wings of Morpho butterflies are famous examples with a remarkable orientation-dependent blue colouration. In our study, we systematically investigate this phenomenon by adapting a common light microscope and investigating eight different butterflies. We show that the ridge diffraction gratings common to all butterflies cause the optical effect, which gives important insights for bio-inspired replication techniques. View this paper.
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Articles (11)

  • Review
  • Open Access
14 Citations
5,085 Views
8 Pages

Past published studies have already documented that, subsequent to the intravenous injection of colloidal lipid nanocarriers, apolipoprotein (apo)A-I is adsorbed from the blood onto the nanoparticle surface. The adsorbed apoA-I mediates the interacti...

  • Article
  • Open Access
25 Citations
5,319 Views
22 Pages

Optimal Flow Sensing for Schooling Swimmers

  • Pascal Weber,
  • Georgios Arampatzis,
  • Guido Novati,
  • Siddhartha Verma,
  • Costas Papadimitriou and
  • Petros Koumoutsakos

Fish schooling implies an awareness of the swimmers for their companions. In flow mediated environments, in addition to visual cues, pressure and shear sensors on the fish body are critical for providing quantitative information that assists the quan...

  • Article
  • Open Access
24 Citations
5,979 Views
13 Pages

The Ground Effect in Anguilliform Swimming

  • Uchenna E. Ogunka,
  • Mohsen Daghooghi,
  • Amir M. Akbarzadeh and
  • Iman Borazjani

Some anguilliform swimmers such as eels and lampreys swim near the ground, which has been hypothesized to have hydrodynamic benefits. To investigate whether swimming near ground has hydrodynamics benefits, two large-eddy simulations of a self-propell...

  • Article
  • Open Access
46 Citations
6,407 Views
17 Pages

The application of deep learning techniques may prove difficult when datasets are small. Recently, techniques such as one-shot learning, few-shot learning, and Siamese networks have been proposed to address this problem. In this paper, we propose the...

  • Article
  • Open Access
2 Citations
4,013 Views
9 Pages

The Impact of a Flexible Stern on Canoe Boat Maneuverability and Speed

  • Anna Theresia Stadler,
  • Martin Schönauer,
  • Roozbeh Aslani,
  • Werner Baumgartner and
  • Tillmann Philippi

Paddle boats like canoes and kayaks draw a sinusoidal path when a linear movement is intended. The reason for this behavior is that each paddle stroke induces a lateral movement of the boat. In this study, we sought to reduce the so-called yawing mot...

  • Article
  • Open Access
10 Citations
5,590 Views
11 Pages

Orientation-Dependent Reflection of Structurally Coloured Butterflies

  • Sigrid Zobl,
  • Bodo D. Wilts,
  • Willi Salvenmoser,
  • Peter Pölt,
  • Ille C. Gebeshuber and
  • Thorsten Schwerte

The photonic structures of butterfly wing scales are widely known to cause angle-dependent colours by light interference with nanostructures present in the wing scales. Here, we quantify the relevance of the horizontal alignment of the butterfly wing...

  • Article
  • Open Access
2 Citations
4,827 Views
18 Pages

Effect of Gravity on the Scale of Compliant Shells

  • Victor Charpentier and
  • Sigrid Adriaenssens

Thin shells are found across scales ranging from biological blood cells to engineered large-span roof structures. The engineering design of thin shells used as mechanisms has occasionally been inspired by biomimetic concept generators. The research g...

  • Article
  • Open Access
5 Citations
3,596 Views
12 Pages

Biomimetic Water Oxidation Catalyzed by a Binuclear Ruthenium (IV) Nitrido-Chloride Complex with Lithium Counter-Cations

  • Zinaida M. Dzhabieva,
  • Gennady V. Shilov,
  • Lidia V. Avdeeva,
  • Vladislav V. Dobrygin,
  • Virineya Yu. Tkachenko and
  • Taimuraz S. Dzhabiev

The lithium salt of the binuclear nitrido complex of ruthenium (IV) Li3(Ru2NCl8·2H2O) was synthesized. Using UV spectroscopy and voltammetry, we studied complex behavior in aqueous solutions. It was found that in dilute solutions of this compo...

  • Article
  • Open Access
4 Citations
5,514 Views
24 Pages

Experiments and Agent Based Models of Zooplankton Movement within Complex Flow Environments

  • Mustafa Kemal Ozalp,
  • Laura A. Miller,
  • Thomas Dombrowski,
  • Madeleine Braye,
  • Thomas Dix,
  • Liam Pongracz,
  • Reagan Howell,
  • Daphne Klotsa,
  • Virginia Pasour and
  • Christopher Strickland

The movement of plankton is often dictated by local flow patterns, particularly during storms and in environments with strong flows. Reefs, macrophyte beds, and other immersed structures can provide shelter against washout and drastically alter the d...

  • Article
  • Open Access
5 Citations
4,998 Views
12 Pages

Evaluation of Mixed Deep Neural Networks for Reverberant Speech Enhancement

  • Michelle Gutiérrez-Muñoz,
  • Astryd González-Salazar and
  • Marvin Coto-Jiménez

Speech signals are degraded in real-life environments, as a product of background noise or other factors. The processing of such signals for voice recognition and voice analysis systems presents important challenges. One of the conditions that make a...

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Biomimetics - ISSN 2313-7673