Photonic Crystals and Applications

Kawasemi-Colours: an open end-to-end platform for structure-colour design based on avian structural colour

The paper introduces Kawasemi-Colours, an open platform for structure-colour design using avian nanostructures, enabling prediction, inverse design, and evaluation of structural colours.

Heterotypic interactions and sequence features modulate cellular reflectin condensate dynamics

This study shows how sequence features and heterotypic interactions affect reflectin condensate dynamics in HeLa cells, revealing mechanisms for reversible material transitions in cephalopods.

Nudibranch color diversity shares a common origin in guanine photonic structures

This paper identifies guanine-based multilayer structures as a common mechanism for structural coloration in nudibranchs across multiple species.

Damselflies Overcome Color Saturation Barriers of Photonic Glasses via Structural Dispersion and Pigment Loading

This paper shows how damselflies achieve high color saturation using structural dispersion and pigment loading in their photonic structures.

Physical mechanism for the extremely rapid twinkling by chromatophores of Atherinidae

This paper identifies the physical mechanism behind the rapid twinkling of chromatophores in Atherinidae fish, revealing how fluid pressure in micro-circulation networks controls light reflection.

Controlled pH Alteration Enables Guanine Accumulation and Drives Crystallization within Iridosomes

The paper investigates the role of pH changes in guanine accumulation and crystallization within zebrafish iridosomes, showing that acidic conditions and V-ATPase activity drive crystal formation.

The Cephalopod Reflectin Domain Specifically Chelates Cu(I), Inducing Assembly

This study shows that the reflectin domain specifically chelates Cu(I), inducing assembly into optically resonant structures.

Decoding ladybird's colours: structural mechanisms of colour production and pigment modulation.

This study examines color production in ladybirds, showing that color results from both pigments and optical properties of the elytra, with physical mechanisms operating alongside pigments.

Longhorn Beetles form Structural Colour Using Calcium Phosphate Biominerals

This study identifies calcium phosphate biominerals in longhorn beetles as the source of structural color, showing their role in producing green hues through photonic crystal structures.

The actin cytoskeleton plays multiple roles in structural color formation in butterfly wing scales

This study shows actin cytoskeleton is essential for templating optical nanostructures in butterfly wing scales that produce structural colors.

Ontogenetic Color Switching in Lizards as a by-Product of Guanine Cell Development

The paper shows that ontogenetic color switching in lizards results from reorganization of guanine crystals in chromatophore cells during development.

Design and fabrication of recombinant reflectin-based Bragg reflectors: bio-design engineering and photoisomerism induced wavelength modulation

The paper designs and fabricates a bio-inspired reflectin-based Bragg reflector that modulates optical properties via visible light-induced photoisomerism.

Protein Charge Neutralization is the Proximate Driver Dynamically Tuning a Nanoscale Bragg Reflector

This study shows that charge neutralization, not aromatic content, drives the assembly and fine-tuning of reflectin-based Bragg reflectors in squid skin cells.

Design of DNA Origami Diamond Photonic Crystals

This paper designs DNA origami-based photonic crystals with a complete photonic bandgap in the visible range, using numerical analysis to optimize structural and mechanical properties.

Neutralization of a Distributed Coulombic Switch Precisely Tunes Reflectin Assembly

The paper investigates how neutralization of cationic linkers in reflectin proteins tunes their assembly into multimeric spheres, revealing a predictive relationship between charge neutralization and assembly size.