Results 1 to 10 of about 45,520 (220)

Melanin and Melanin-Like Hybrid Materials in Regenerative Medicine [PDF]

open access: yesNanomaterials, 2020
Melanins are a group of dark insoluble pigments found widespread in nature. In mammals, the brown-black eumelanins and the reddish-yellow pheomelanins are the main determinants of skin, hair, and eye pigmentation and play a significant role in ...
Chiara Cavallini   +9 more
doaj   +7 more sources

Melanin-like nanofibers with highly ordered structures achieve ultrahigh specific electromagnetic interference shielding efficiency [PDF]

open access: yesNature Communications
Lightweight, high-performance electromagnetic shielding materials rely on the precise design of electromagnetic response structures. Conventional shielding materials often involve complex fabrication of conjugated composites or graphitization of organic ...
Peng Chen   +5 more
doaj   +3 more sources

Recent Applications of Melanin-like Nanoparticles as Antioxidant Agents

open access: yesAntioxidants, 2023
Nanosized antioxidants are highly advantageous in terms of versatility and pharmacokinetics, with respect to conventional molecular ones. Melanin-like materials, artificial species inspired by natural melanin, combine recognized antioxidant (AOX ...
Alexandra Mavridi-Printezi   +4 more
doaj   +3 more sources

Application of melanin and its engineered nanomaterials in tumor radiotherapy: a review [PDF]

open access: yesJournal of Translational Medicine
Background Radiotherapy (RT) is the cornerstone of cancer treatment, but its clinical efficacy is frequently hampered by radiation-induced damage to normal tissues and the radioresistance of tumors.
Cheng Chen, Yong Guo
doaj   +2 more sources

Visible light is a better co-inducer of apoptosis for curcumin-treated human melanoma cells than UVA [PDF]

open access: yes, 2013
Curcumin attracts worldwide scientific interest due to its anti-proliferative and apoptosis inducing effects on different tumor cells at concentrations ranging from 10 to 150 µM (3.7–55 µg/ml).
Bernd, August   +7 more
core   +22 more sources

Synthetic fungal melanin nanoparticles with excellent antioxidative property

open access: yesGiant, 2022
Melanin-inspired polymers have been widely used in biomedical applications due to their promising biocompatibility and antioxidant capacity. Although several works focusing on the eumelanin-like biomaterials such as polydopamine nanoparticles (PDA NPs ...
Hengjie Zhang   +7 more
doaj   +1 more source

Site-specific fabrication of a melanin-like pigment through spatially confined progressive assembly on an initiator-loaded template

open access: yesNature Communications, 2023
Melanin-like nanomaterials have emerged in surface biofunctionalization in a material-independent manner due to their versatile adhesion arising from their catechol-rich structures.
Haejin Jeong   +4 more
doaj   +1 more source

A Straightforward Access to New Amides of the Melanin Precursor 5,6-Dihydroxyindole-2-carboxylic Acid and Characterization of the Properties of the Pigments Thereof

open access: yesMolecules, 2022
We report herein an optimized procedure for preparation of carboxamides of 5,6-dihydroxyindole-2-carboxylic acid (DHICA), the main biosynthetic precursor of the skin photoprotective agents melanins, to get access to pigments with more favorable ...
Rita Argenziano   +3 more
doaj   +1 more source

Melanotic Neuroectodermal Tumor of Infancy: A Clinicopathological and BRAF V600E Mutation Study of 11 Cases

open access: yesFrontiers in Oncology, 2021
PurposeTo investigate the clinicopathological features and BRAF V600E mutation of melanotic neuroectodermal tumor of infancy (MNTI).Materials and MethodsEleven cases of MNTI diagnosed at the Department of Oral Pathology were collected ...
Rong-Hui Xia   +6 more
doaj   +1 more source

The versatile applications of polydopamine in regenerative medicine: Progress and challenges

open access: yesSmart Materials in Medicine, 2023
In recent decades, great progress has been made in regenerative medicine with the development of various functional scaffolds, many of which have been put into practical clinical applications.
Shundong Cai   +4 more
doaj   +1 more source

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