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Dioxidomolybdenum(VI) Complex Supported on Chloromethylated Polymer and Its Catalytic Role in Peroxidase Mimicking Activity Towards Oxidation of Dopamine
Dioxidomolybdenum(VI) complex, [Mo VI O 2 (HL) 2 ] ( 1 ) using ligand H 2 L ( I ) (synthesised from o -phenylenediamine and salicylaldehyde) and it’s...
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Exploiting Melanin-Metal Interactions for Emerging Technologies
Melanins are an attractive family of quinone-based molecules found in natural sources featuring mixed ionic-electronic transport, redox activity,...
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Fundamentals and Applications of Optically Active Melanin-Based Materials
Melanin is a group of ubiquitous biological pigments. It has excellent photonic properties such as broadband light absorption and high refractive...
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Melanin in Auricularia auricula: biosynthesis, production, physicochemical characterization, biological functions, and applications
Auricularia auricular ( A. auricula ), a nutritious fungus and traditional medicinal resource, is known for melanin. This review aims to summarize the...
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Extraction, Purification, and Characterization of Microbial Melanin Pigments
Melanin pigments are dark black to brown coloured, hydrophobic, negatively charged, natural heterogeneous biopolymers. Melanin existence within a...
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Design, synthesis, and molecular dynamics simulation studies of some novel kojic acid fused 2-amino-3-cyano-4H-pyran derivatives as tyrosinase inhibitors
A novel series of kojic acid fused 2-amino-3-cyano-4H-pyran derivatives were synthesized via a multicomponent reaction involving kojic acid,...
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Evaluation of phytochemicals of Poria cocos against tyrosinase protein: a virtual screening, pharmacoinformatics and molecular dynamics study
Tyrosinase inhibitors are commonly used in the pharmaceutical and cosmetic industries for skin lightening and hypopigmentation. The current...
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Hybrid Theranostics Nanomaterials
The use of nanotechnology in health and medicine, nanomedicine, is one of the most promising research areas. Therefore, the design of nanomaterials...
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Protective effect of melanin nanoparticles created from squid ink against irradiation on human keratinocytes
Because the skin is the first organ to be impacted by radiation, keratinocytes (HaCaT cells) are frequently used as an in vitro model for testing...
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Medicinal Plants Against Neurological Viral Diseases: Ethnopharmacology, Chemistry, and Clinical and Preclinical Studies
In the 6000 BC India, China, Africa, and Pre-Columbian America, especially the Aztecs and Incas, used herbal remedies for the treatment of...
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Efficient Production of Melanin by Aureobasidium Melanogenum Using a Simplified Medium and pH-Controlled Fermentation Strategy with the Cell Morphology Analysis
Natural melanin is a biopolymer with wide application prospects in medicine, food, cosmetics, environmental protection, agriculture, and so on....
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Pharmacological Significance of Triazoles and Tetrazoles in Neurodegenerative Disease: An Overview
Neurodegenerative diseases like alzheimer’s disease, Parkinson disease have affected a large number of people worldwide and these numbers are...
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The Effect of Sulfur-Containing Compounds on the Quinoid Process of Adrenaline Autoxidation; Potential Neuroprotectors
Abstract—The superoxide-generating reaction of adrenaline autoxidation in an alkaline medium, used in vitro to identify the antioxidant properties of...
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Controllable bisubstrate multi-colorimetric assay based on peroxidase-like nanozyme and complementary colorharmonic principle for semi-quantitative detection of H2O2 with the naked eye
Naked-eye semi-quantitative (NEQ) assays should exhibit vivid color variations and one-to-one correspondence between the analyte concentrations and...
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Medicinal Plants Against Neurological Viral Diseases: Ethnopharmacology, Chemistry, Clinical, and Preclinical Studies
In the 6000 BC India, China, Africa, and Pre-Columbian America, especially the Aztecs and Incas, used herbal remedies for the treatment of...
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Chemical and biological comparison of different parts of two Allium species: Allium paniculatum L. subsp. villosulum (Hal.) Stearn and Allium paniculatum L. subsp. paniculatum L
This study aimed to compare the phenolic profiles, enzyme inhibitory activity and antioxidant activity of the bulb, stem and flower parts of Allium...
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Design, synthesis, and biological evaluation of symmetrical azine derivatives as novel tyrosinase inhibitors
A series of symmetrical azine derivatives containing different substituted benzyl moieties were designed, synthesized, and evaluated for their...
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Heterologous production and characterization of a pyomelanin of Antarctic Pseudomonas sp. ANT_H4: a metabolite protecting against UV and free radicals, interacting with iron from minerals and exhibiting priming properties toward plant hairy roots
BackgroundAntarctica has one of the most extreme environments in the world. This region is inhabited by specifically adapted microorganisms that...
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COVID-19 and the ethnicity link – is there a photochemical link?
A hypothesis is proposed to explain the increased detrimental effect of COVID-19 for Black, Asian and Minority Ethnic (BAME) men and women compared...
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The role of hydrogen peroxide and singlet oxygen in the photodegradation of melanin
When aging, melanin in human retinal pigment epithelium (RPE) undergoes oxidative modifications, which increase its photoreactivity and reduce its...