Melanin biopolymers: Tailoring chemical complexity for materials design

M d'Ischia, A Napolitano, A Pezzella… - Angewandte Chemie …, 2020 - Wiley Online Library
Melanins, a group of dark insoluble pigments found widespread in nature, have become the
focus of growing interest in materials science for various biomedical and technological …

The physical and chemical properties of eumelanin

P Meredith, T Sarna - Pigment cell research, 2006 - Wiley Online Library
In this article, we review the current state of knowledge concerning the physical and
chemical properties of the eumelanin pigment. We examine properties related to its …

Obtaining chitin, chitosan and their melanin complexes from insects

A Khayrova, S Lopatin, V Varlamov - International Journal of Biological …, 2021 - Elsevier
Interest in insects as a source of valuable biologically active substances has significantly
increased over the past few years. Insects serve as an alternative source of chitin, which …

The physical properties of melanins

T Sarna, HA Swartz - The pigmentary system: physiology and …, 2006 - Wiley Online Library
The physical properties of melanins Page 325 311 The Physical Properties of Melanins Tadeusz
Sarna and Harold A. Swartz 16 Summary 1 The complexities of melanins make it difficult to …

Pump-probe imaging differentiates melanoma from melanocytic nevi

TE Matthews, IR Piletic, MA Selim… - Science translational …, 2011 - science.org
Melanoma diagnosis is clinically challenging: the accuracy of visual inspection by
dermatologists is highly variable and heavily weighted toward false positives. Even the …

The photoprotection mechanism in the black–brown pigment eumelanin

A Ilina, KE Thorn, PA Hume, I Wagner… - Proceedings of the …, 2022 - National Acad Sciences
The natural black–brown pigment eumelanin protects humans from high-energy UV photons
by absorbing and rapidly dissipating their energy before proteins and DNA are damaged …

Superior photoprotective motifs and mechanisms in eumelanins uncovered

A Corani, A Huijser, T Gustavsson… - Journal of the …, 2014 - ACS Publications
Human pigmentation is a complex phenomenon commonly believed to serve a
photoprotective function through the generation and strategic localization of black insoluble …

Two-color, two-photon, and excited-state absorption microscopy

D Fu, T Ye, TE Matthews, G Yurtsever… - Journal of biomedical …, 2007 - spiedigitallibrary.org
We develop a new approach in imaging nonfluorescent species with two-color two-photon
and excited state absorption microscopy. If one of two synchronized mode-locked pulse …

Insights into melanosomes and melanin from some interesting spatial and temporal properties

JD Simon, L Hong, DN Peles - The Journal of Physical Chemistry …, 2008 - ACS Publications
Melanosomes are organelles found in a wide variety of tissues throughout the animal
kingdom and exhibit a range of different shapes: spheres of up to∼ 1 μm diameters and …

Ultrafast spectral hole burning reveals the distinct chromophores in eumelanin and their common photoresponse

FR Kohl, C Grieco, B Kohler - Chemical science, 2020 - pubs.rsc.org
Eumelanin, the brown-black pigment found in organisms from bacteria to humans,
dissipates solar energy and prevents photochemical damage. While the structure of …