Angewandte Chemie International Edition

Cover image for Vol. 54 Issue 21

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPlusChem, Zeitschrift für Chemie

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A Switch in Fish Skin Colors - Tilting of guanine crystal arrays is key to light-induced color change in the skin of the neon tetra fish

Latest News

A Switch in Fish Skin Colors

Tilting of guanine crystal arrays is key to light-induced color change in the skin of the neon tetra fish.
The neon tetra fish from the Amazonas River, along with some reptiles, amphibians, and other fish, takes advantage of structural colors in its skin to change its appearance in response to a triggering signal. In the light-adapted state, its lateral stripe shimmers blue-green, in the dark it is indigo. Scientists from Israel have now found an unambiguous answer to how this intriguing mechanism works. They present their results, which favor the so-called "Venetian blind" model, in the journal Angewandte Chemie.

Read more.

No.Press ReleaseOriginal Communication


A Switch in Fish Skin Colors
Tilting of guanine crystal arrays is key to light-induced color change in the skin of the neon tetra fish

The Mechanism of Color Change in the Neon Tetra Fish: a Light-Induced Tunable Photonic Crystal Array

Lia Addadi, Weizmann Institute of Science (Israel)


Epitope-Targeting of Tertiary Protein Structure Enables Target-Guided Synthesis of a Potent in Cell Inhibitor of Botulinum Neurotoxin

James R. Heath, California Institute of Technology, Pasadena (USA)


Sigillin A, a unique polychlorinated arthropod deterrent from the snow flea, Ceratophysella sigillata

Stefan Schulz, TU Braunschweig (Germany)


Wider Channels for Faster Detoxification
Zirconium-based metal–organic framework rapidly and efficiently degrades nerve agents

Instantaneous Hydrolysis of Nerve-Agent Simulants with a Six-Connected Zirconium-Based Metal–Organic Framework

Omar K. Farha, Northwestern University (USA)


Nanocup with a Pearl of Gold
Double Janus nanoparticles are transformed into purely inorganic, cup-shaped dynamic inclusion bodies for colloid design

Dynamic Inclusion Complexes of Metal Nanoparticles Inside Nanocups

Peer Fischer, Max-Planck-Institut für intelligente Systeme, Stuttgart (Germany)


Coating from the Deep
A new coating material takes advantage of embedding anti-smudge polymer chains in graft-copolymer micelles

Graft-Copolymer-Based Approach to Clear, Durable, and Anti-Smudge Polyurethane Coatings

Guojun Liu, Queen's University, Kingston (Canada)


Micromotors for Energy Generation
Self-propelled microparticles boost hydrogen release from liquid storage media

Micromotor-Based Energy Generation

Joseph Wang, University of California, San Diego (USA)


Self-Detoxifying filters
Textiles with metal–organic framework materials adsorb and degrade chemical warfare agents

Textile/Metal–Organic-Framework Composites as Self-Detoxifying Filters for Chemical-Warfare Agents

Jorge A. R. Navarro, Universidad de Granada (Spain)


Exploiting Snot
Influenza virus quickly and reliably detected from nasal or throat swabs

Electrochemical Assay to Detect Influenza Viruses and Measure Drug Susceptibility

Suri Saranathan Iyer, Georgia State University, Atlanta (USA)


Ultrathin and Very Active
Enzymatically active ultrathin pepsin membrane

Enzymatically Active Ultrathin Pepsin Membranes

Matthias Wessling, RWTH Aachen (Germany)


Graphite on a Diet in Lithium Ion Batteries
From graphene hydrogels to high-performance anodes

Solvated Graphene Frameworks as High-Performance Anodes for Lithium-Ion Batteries

Xiangfeng Duan, University of California, Los Angeles (USA)


Fading Orange-Red
Van Gogh’s pigment up close: plumbonacrite revealed as intermediate in degradation of red lead

Plumbonacrite Identified by X-ray Powder Diffraction Tomography as a Missing Link during Degradation of Red Lead in a Van Gogh Painting

Koen Janssens, Universiteit Antwerp (Belgium)


A Dye in a Glassy Sandwich
Swelling of a layered clay mineral leads to encapsulation of functional hydrophobic organic molecules

Encapsulation of Functional Organic Compounds in Nanoglass for Optically Anisotropic Coatings

Josef Breu, Universität Bayreuth (Germany)


Film Producer
Free-standing monolayers made from protein-bound gold nanoparticles

Free-Standing Gold-Nanoparticle Monolayer Film Fabricated By Protein Self-assembly of α-Synuclein

Seung R. Paik, Seoul National University (Rep. Korea)


Towards Printing Artificial Organs
Synthetic DNA gel points the way

Rapid Formation of a Supramolecular Polypeptide–DNA Hydrogel for In Situ Three-Dimensional Multilayer Bioprinting

Dongsheng Liu, Tsinghua University (China)


DNA in Glass
Long-term storage of digital information in DNA is possible

Robust Chemical Preservation of Digital Information on DNA in Silica with Error-Correcting Codes

Robert N. Grass, ETH Zürich (Switzerland)


Hybrid Polymers
Linear or branched: new silicon peptide biopolymers

A New Way to Silicone Based Peptide Polymers

Gilles Subra, Institut des Biomolecules Max Mousseron, Montpellier (France)


Battery in a Tube
A long-lasting obstacle of solid oxide fuel cells has been overcome

A Carbon–Air Battery for High Power Generation

Zongping Shao, Nanjing Tech University (China)


A Burst of Aroma
Light-induced generation of gas breaks open microcapsules and releases fragrances

Controlled Release of Encapsulated Bioactive Volatiles by Expansion of the Capsule Wall through the Light-Induced Generation of a Gas

Andreas Herrmann, Firmenich SA (Switzerland)