The origin of black and white coloration of the Asian tiger mosquito Aedes albopictus (Diptera: Culicidae)

• Manuela Rebora,
• Gianandrea Salerno,
• Silvana Piersanti,
• Alexander Kovalev and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 496–508, doi:10.3762/bjnano.14.41

• , diffraction and scattering, that cause the selective reflection of light [3]. Quite often, structural colors are present together with pigment colors, to increase or to reduce the brightness and to produce particular effects [4]. Insect exoskeletons with their multilayered internal organisation and the

• hierarchical randomized multiscale 3D structures (Figure 4a–d, Figure 3d). The coherent contribution (interference), which was estimated to be around 10%, appears due to structure regularity. Functional significance of the mosquito leg scale system Structural colors producing matte white and bright silver

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

• Sebastian Lifka,
• Kristóf Harsányi,
• Erich Baumgartner,
• Lukas Pichler,
• Dariya Baiko,
• Karsten Wasmuth,
• Johannes Heitz,
• Marco Meyer,
• Anna-Christin Joel,
• Jörn Bonse and
• Werner Baumgartner

Beilstein J. Nanotechnol. 2022, 13, 1268–1283, doi:10.3762/bjnano.13.105

• ) Photography of a laser-structured titanium alloy sample after ultrafast laser processing. The colorful appearance arises from optical diffraction of the ambient natural light at the grating-like LIPSS-covered surface topography (structural colors). (b) Scanning electron micrograph of the LIPSS-covered

Polarity in cuticular ridge development and insect attachment on leaf surfaces of Schismatoglottis calyptrata (Araceae)

• Venkata A. Surapaneni,
• Tobias Aust,
• Thomas Speck and
• Marc Thielen

Beilstein J. Nanotechnol. 2021, 12, 1326–1338, doi:10.3762/bjnano.12.98

• hydrophobicity of the leaf surfaces [8][9]. On petals, they might act additionally as diffraction gratings producing structural colors to attract pollinators [10][11][12]. Ridges are relatively robust compared with other cuticular morphologies [8] such as epicuticular wax crystals. They may also provide

Mapping the local dielectric constant of a biological nanostructured system

• Wescley Walison Valeriano,
• Rodrigo Ribeiro Andrade,
• Juan Pablo Vasco,
• Angelo Malachias,
• Bernardo Ruegger Almeida Neves,
• Paulo Sergio Soares Guimarães and
• Wagner Nunes Rodrigues

Beilstein J. Nanotechnol. 2021, 12, 139–150, doi:10.3762/bjnano.12.11

• ; electrostatic force microscopy (EFM); natural photonic crystals; relative permittivity; structural colors; Introduction The dielectric constant, or relative permittivity, is a fundamental physical property that is crucial for describing various biological, chemical, or physical phenomena. It is a material

• melanin concentration layers exhibit a value of 6 ± 1. The structural color As shown in Figure 1, the posterior wings of the male Chalcopteryx rutilans have a wide range of structural colors that covers almost the entire visible spectrum. We now seek to correlate the relative permittivity information

Angle-dependent structural colors in a nanoscale-grating photonic crystal fabricated by reverse nanoimprint technology

• Xu Zheng,
• Qing Wang,
• Jinjin Luan,
• Yao Li,
• Ning Wang and
• Rui Zhang

Beilstein J. Nanotechnol. 2019, 10, 1211–1216, doi:10.3762/bjnano.10.120

• different brilliant structural colors in the visible-light region. As period and depth of the optical structure of the photonic crystal are fixed, the structural color depends on the observation angle [3][4]. Studies show that photonic crystals with grating pattern are the favorable candidates for a variety

• horizontal observation angle and structural colors of the photonic crystal. (a) Color change of the photonic crystal as the horizontal observation angle is increasing. (b) Measured reflected spectra of white light for the photonic crystal under horizontal observation angles from 30° to 65°. (c) Measured

• ][17][18][19]. Duempelmann et al. fabricated asymmetric periodic nanostructures to explore the effects of the optical properties on the structural color [20]. Then, they used the photonic crystal as a strain sensor by mechanically changing the structural period to achieve the different structural

An iridescent film of porous anodic aluminum oxide with alternatingly electrodeposited Cu and SiO₂ nanoparticles

• Menglei Chang,
• Huawen Hu,
• Haiyan Quan,
• Hongyang Wei,
• Zhangyi Xiong,
• Jiacong Lu,
• Pin Luo,
• Yaoheng Liang,
• Jianzhen Ou and
• Dongchu Chen

Beilstein J. Nanotechnol. 2019, 10, 735–745, doi:10.3762/bjnano.10.73

• treatment can allow the aluminum alloy to bear different structural colors, providing exciting opportunities for bringing such materials to the fields of decorative materials [14][15][16][17]. However, only a limited number of colors has been produced by the traditional coloration techniques [14][16][18][19

• colors are also expected to enrich the aluminum alloys with vivid optical properties [21]. Structural colors are generated by light diffraction, interference and scattering [20], completely different from pigment colors involving the selective absorption of a certain light waves and the reflection of the

• complementary light waves. Structural colors do not absorb light, implying that the light intensity will not decrease, and significantly, a local iridescent phenomenon appears as a result of light diffraction and reflection. This rainbow effect of structural colors refers to that different colors are displayed

A new bioinspired method for pressure and flow sensing based on the underwater air-retaining surface of the backswimmer Notonecta

• Matthias Mail,
• Adrian Klein,
• Horst Bleckmann,
• Anke Schmitz,
• Torsten Scherer,
• Peter T. Rühr,
• Goran Lovric,
• Robin Fröhlingsdorf,
• Stanislav N. Gorb and
• Wilhelm Barthlott

Beilstein J. Nanotechnol. 2018, 9, 3039–3047, doi:10.3762/bjnano.9.282

• adhesive pads [6] or the structural colors of Morpho menelaus [7]. Superhydrophobic surfaces are also important in the above context. Several plants and animals, which can maintain stable air layers while submerged (Salvinia effect [8]), have been analyzed. Especially the floating ferns of the genus