Results 61 to 70 of about 43,526 (158)

Purification, characterization and analysis of sepia melanin from commercial sepia ink (Sepia officinalis)

, 2017
En el momento las melaninas son bio-pigmentos enigmáticos todavía con estructura y métodos de determinación que no son claramente entendidos por la comunidad científica internacional.
Magarelli, Mario, Passamonti, Paolo, Renieri, Carlo   +2 more
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Antibacterial Activity of Melanin from Cuttlefish and Squid Ink [PDF]

, 2017
Marine environment comprises of many organism which are known to posses bioactive compound as a common means of self-defense or for the protection of eggs and embryos.
Yuspihana Fitrial, Fitrial, Yuspihana, Iin Khusnul Khotimah, Khotimah, Iin Khusnul   +3 more
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AKTIVITAS ANTIBAKTERI DARI MELANIN TINTA SOTONG DAN CUMI-CUMI

, 2020
Abstrak Lingkungan laut terdiri atas banyak organisme yang diketahui memiliki senyawa bioaktif sebagai alat pertahanan diri atau untuk melindungi telur dan embrionya. Kelas Cephalopoda (seperti cumi-cumi dan sotong) terkenal karena pertahanan dirinya,
FITRIAL, YUSPIHANA
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CHARGE TRANSPORT BEHAVIOR IN NATURAL SEPIA MELANIN NANOGRANULES

Sepia eumelanin, a natural biopigment extracted from cuttlefish ink, has attracted growing interest as a sustainable material for organic electronics. Its nanogranular structure, composed of DHI and DHICA monomers, presents unique charge transport characteristics influenced by hydration and measurement scale. While prior studies have explored its mixed
openaire   +1 more source

The Antibacterial Activity of Melanin in the Cuttlefish (Sepia sp.) Ink against Aeromonas sp. [PDF]

Egyptian Journal of Aquatic Biology and Fisheries, 2021
Yuspihana Fitrial, Iin Khusnul Khotimah
openaire   +1 more source

Preparation of ink melanin from Sepia esculenta by ultrasound-assisted and its protective effects on oxidative damage in Caco-2 cells

, 2020
In order to investigate the protective effect of Sepia esculenta ink melanin on the oxidative damage of human cloned colon adenocarcinoma cells (Caco-2), the ultrasound-assisted method was used to prepare Sepia esculenta ink melanin and its structure ...
Xi-hong, YANG, Wan-cui, XIE, Jing-yu, ZHANG, Hong-xia, CHE   +3 more
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Protein nitration is specifically associated with melanin production and reveals redox imbalance as a new correlate of cell maturation in the ink gland of Sepia officinalis.

, 2009
Protein nitration is specifically associated with melanin production in the ink gland of Sepia ...
d'Ischia M., Fiore G., Tedeschi G., Mattiello T., Nonnis S., Palumbo A., D'ISCHIA, MARCO   +6 more
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Melanin-Inspired Composite Materials: From Nanoarchitectonics to Applications

Synthetic melanin is a mimic of natural melanin analogue with intriguing properties such as metal–ion chelation, redox activity, adhesion, and broadband absorption.
Ran Ding (396326), Jiaxin Yuan (9768134), Xicheng Zhang (11013939), Yijun Xie (1793497), Xiaoyong Deng (8862206), Shang Liu (544514), Zhao Wang (145195)   +6 more
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Spin dynamics and magnetization in Sepia melanin by electron paramagnetic resonance and vibrating sample magnetometry

Materials Advances
Hydration alters EPR signatures and reduces M s and M r in Sepia melanin, while ferromagnetism persists beyond 360 K.
Shahid Khaleel, Christian Lacroix, Darren Hall, Marjorie Cavarroc, David Ménard, Clara Santato   +5 more
openaire   +2 more sources

The electron transfer properties of sigma and sepia melanin, 1989

The melanocytotoxic phenol, p-hydroxyanisole (monomethylether of hydroquinone, MMEH) is a substrate for mushroom tyrosinase. Kinetic and oxygen electrode studies have been performed compari ng the total (anaerobi c and aerobi c) reaction in the formation

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