Results 81 to 90 of about 169,076 (377)

Synthesis and study of polyhydroxylated phenol derivatives with potential cosmetic and phytoiatric applications [PDF]

, 2013
Tyrosinase (polyphenol oxidase, E.C. 1.14.18.1) and laccase (phenol oxidase, E.C. 1.10.3.2) are multifunctional copper-containing enzymes, that are keys in melanin biosynthesis, melanisation in animals and browning in plants.
Dallocchio, Roberto, Delogu, Giovanna, Dessì, Alessandro, Dettori, Maria Antonietta, Fabbri, Davide, Fois, Xenia, Pantaleoni, Roberto Antonio, Rocchitta, Gaia Giovanna Maria, Serra, Pier Andrea   +8 more
core  

Melanin and Nicotine: A Review of the Literature [PDF]

, 2006
The role of melanin in nicotine uptake and metabolism has received little attention. Because nicotine has been shown to accumulate in tissues containing melanin, exploring links between melanin and nicotine may provide additional clues to understanding ...
Malone, Ruth, Yerger, Valerie
core   +2 more sources

Photodynamics of Melanin Radicals: Contribution to Photoprotection by Melanin^†

Photochemistry and Photobiology, 2022
AbstractThe mechanism of very efficient relaxation of the melanin‐photoexcited states, responsible for the photoprotective action of the pigment, remains a subject for intense investigation. The most recent study by C. Grieco, F. Kohl, and B. Kohler, entitled “Ultrafast radical photogeneration pathways in eumelanin,” addresses key issues of melanin ...
openaire   +3 more sources

Designing Physical Unclonable Functions From Optically Active Materials

Advanced Materials, EarlyView.
Assigning unforgeable “fingerprints” to manufactured goods is a key strategy to fight global counterfeiting. Optical physical unclonable functions (PUFs) are chemically generated random patterns of optically active materials serving as unique authenticators.
Maxime Klausen, Junfang Zhang, Molly M. Stevens   +2 more
wiley   +1 more source

Technology for obtaining melanin from the shells of horse chestnut (Aesculus hippocastanum L.), studying its composition [PDF]

BIO Web of Conferences
The article presents the results of a study on the development of technology for obtaining and studying the physicochemical characteristics of melanin isolated from the seed shells of horse chestnut (Aesculus hippocastanum L.), growing in the territory ...
Filatova A.V., Azimova L.B., Djurabaev D.T., Radjabov O.I., Otajonov A.Yu., Yakubova R.A.   +5 more
doaj   +1 more source

Melanin-based structural coloration of birds and its biomimetic applications

Applied Microscopy, 2021
Melanin has been a widely researched pigment by scientists for decades as it is undoubtedly the most ubiquitous and ancient pigment found in nature.
Deok-Jin Jeon, Suejeong Paik, Seungmuk Ji, Jong-Souk Yeo   +3 more
doaj   +1 more source

The Fungal Cell Wall : Structure, Biosynthesis, and Function [PDF]

, 2017
N.G. is funded by the Wellcome Trust via a senior investigator award and a strategic award and by the MRC Centre for Medical Mycology. C.M. acknowledges the support of the Wellcome Trust and the MRC. N.G. and C.M.
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core   +1 more source

The Affinity of Melanin for Chloroquine*

Journal of Investigative Dermatology, 1965
The localization of chloroquine in areas of melanin pigmentation has recently been established. Zvaifler and his co-workers (1) found that the concentration of this drug in the eyes of pigmented rats paralleled the degree of melanin pigmentation. In addition, they noted that chloroquine persists at high levels in the iris and choroid for at least 28 ...
Sams, W M, Epstein, J H
openaire   +3 more sources

Active Biopaste for Coral Reef Restoration

Advanced Materials, EarlyView.
Preserving coral reefs is essential. A conductive, hardening paste for coral attachment and mineral accretion technology is developed, using a bio‐based acrylate soybean oil matrix and graphene nanoplatelets. Corals are attached with and onto the conductive paste, electricity is applied, water electrolysis is induced, and calcium is deposited at the ...
Gabriele Corigliano, Valerio Isa, Valerio Francesco Annese, Camilla Rinaldi, Maria Summa, Rosalia Bertorelli, Paolo Galli, Silvia Lavorano, Mario Caironi, Marco Contardi, Pietro Cataldi, Simone Montano, Athanassia Athanassiou   +12 more
wiley   +1 more source

Conflict between background matching and social signalling in a colour-changing freshwater fish [PDF]

, 2016
The ability to change coloration allows animals to modify their patterning to suit a specific function. Many freshwater fishes, for example, can appear cryptic by altering the dispersion of melanin pigment in the skin to match the visual background ...
Kelley, Jennifer L., Morrell, Lesley J., Rodgers, Gwendolen M.   +2 more
core   +2 more sources