Results 11 to 20 of about 1,443 (177)
Redox activity of melanin from the ink sac ofSepia officinalisby means of colorimetric oxidative assay [PDF]
Natural Product Research, 2015 The redox properties of natural extract from cuttlefish ink sac (Sepia officinalis) and synthetic melanin used as a biomimetic in melanin structural investigation were determined by comparison of this phenol-based heterogeneous pigment with gallic acid used as a standard in Folin–Ciocalteu colorimetric assay widely employed for characterisation of ...
Srisuk P. +4 more
openaire +6 more sources
Beni-Suef University Journal of Basic and Applied Sciences, 2023 Background Sepia melanin (SM) is a natural photothermal biopolymer. Its biomedical applications are limited due to its poor solubility and bioavailability.
Nayera Mohamed El Ghoubary +2 more
doaj +2 more sources
Characterization of melanin from Exophiala mesophila with the prospect of potential biotechnological applications [PDF]
Frontiers in Fungal BiologyIntroducionFungal melanin is an underexplored natural biomaterial of great biotechnological interest in different areas. This study investigated the physical, chemical, electrochemical, and metal-binding properties of melanin extracted from the ...
Cristy Medina-Armijo +7 more
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E-cigarette flavoring chemicals and vehicles adversely impact the functions of pigmented human retinal ARPE-19 cells [PDF]
Toxicology ReportsElectronic cigarettes (ECs) have been shown to adversely impact the human eye's retinal pigment epithelium (RPE). Flavored e-liquids induced cytotoxicity in unpigmented human ARPE-19 cells independent of nicotine's presence in my previous study.
Shilpi Goenka
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Isolation and characterization of melanin from black garlic and sepia ink
LWT - Food Science and Technology, 2019 Abstract Melanin was isolated from a plant source (black garlic: BG) and characterized and compared with melanin obtained from an animal source (sepia ink: SI). SEM observations showed that both melanins were spherical with the diameter of 100–1200 nm and 100–200 nm for BG and SI melanin, respectively.
Long-Feng Wang, Jong-Whan Rhim
exaly +2 more sources
Optimizing the extraction of melanin bio-composition from squid ink Sepia pharaonis [PDF]
بومشناسی آبزیان, 2021 Melanin is known as one of the main pigment components of ink in pharaoh cuttlefish, which has a strong bond with the hydroxyl group of TiO2. The aim of this study was to determine the appropriate method for extracting melanin from the ink of pharaoh ...
Tayebeh Zarei Karyani +2 more
doaj +1 more source
Electrical response and biodegradation of Sepia melanin-shellac films printed on paper
Communications MaterialsSepia melanin, a biopigment extracted from the ink sac of cuttlefish, is relevant to sustainable organic electronics. In this work, we flexographically print films from an ink of Sepia melanin including shellac as a bio-sourced binder on silver electrode-
Anthony Camus +11 more
doaj +3 more sources
Vat dyeing of Wool and Cotton fabrics with Sepia Melanin
Textile Coloration and Finishing, 2010 Using extracted sepia melanin powder by repeated treatments with aqueous sodium hydroxide and acetic acid solutions, vat dyeing of wool and cotton fabrics was carried out under various dyeing conditions including concentration of melanin, alkali, reducing agent and salt, as well as dyeing time and temperature.
Jin-Ho Jang
exaly +3 more sources
Multi-scale Assembly in Nano-scaled Sepia Melanin Natural Dye
Materials Today: Proceedings, 2015 Abstract This study reports on a systematic investigation of the multi-scale hierarchical arrangements in/of the Sepia melanin nanospheres using ultrahigh resolution transmission electron microscopy combined with transmission and scanning electron microscopies.
Z Y Nuru, L Kotsedi, M Maaza
exaly +3 more sources
Melanin granules extracted from Sepia ink: a nanoscale study of charge carrier transport
JPhys MaterialsEumelanin, the brown-black member of the melanin family of biopigments, has emerged as a promising material for sustainable organic electronics. Sepia eumelanin develops hierarchically from (5, 6)-dihydroxyindole (DHI) and (5, 6)-dihydroxyindole-2 ...
Shahid Khaleel +5 more
doaj +2 more sources