Results 41 to 50 of about 71,458 (290)

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

Microneedle Technology in Psoriasis Management: Mechanistic Insights, Technological Innovation, Clinical Progress, and Challenges

Advanced Healthcare Materials, EarlyView.
This review explores the evolving role of microneedle systems in psoriasis management, highlighting their potential for enhanced drug delivery, diagnosis, and disease monitoring. It also discusses unmet clinical needs for psoriasis management and technical challenges, while outlining strategic directions to advance microneedle integration into routine ...
Fatma Moawad, Yasmine Ruel, Roxane Pouliot, Davide Brambilla   +3 more
wiley   +1 more source

Suppression of mycotoxins production and efficient chelation of heavy metals using natural melanin originated from Aspergillus flavus and Aspergillus carbonarius

BMC Biotechnology
Background This study employed melanin synthesized by Aspergillus flavus and Aspergillus carbonarius to inhibit the production of mycotoxins and bioremediation of heavy metals (HMs).
Nashwa El-Gazzar, Esraa Abdo, Gamal Rabie, Manal Tawfeek El-Sayed   +3 more
doaj   +1 more source

Melanin pigments from sediment-associated Nocardiopsis sp. marine actinobacterium and antibacterial potential

Journal of Advanced Pharmaceutical Technology & Research, 2022
To extract the melanin pigment from marine microbes and their biological potential, the present study was done. Isolation and identification of the melanin-producing Nocardiopsis sp. were obtained from the sediment samples. Zone of inhibition and minimal
R Sundar, Pitchiah Sivaperumal
doaj   +1 more source

Circularly Polarized Structural Color Pigments Tunable Across the Full Visible Spectrum

Advanced Optical Materials, EarlyView.
By infusing black dye into spherical shells of polymerized cholesteric liquid crystal, blue, green and red omnidirectional retroreflectors of circularly polarized structural color are achieved. They can be laid out on arbitrary surfaces without any need for index matching binder to define graphical information for robots and Augmented Reality devices ...
Deniz Işınsu Avşar, Jan P. F. Lagerwall   +1 more
wiley   +1 more source

Melanin distribution from the dermal–epidermal junction to the stratum corneum: non-invasive in vivo assessment by fluorescence and Raman microspectroscopy

Scientific Reports, 2020
The fate of melanin in the epidermis is of great interest due to its involvement in numerous physiological and pathological processes in the skin. Melanin localization can be assessed ex vivo and in vivo using its distinctive optical properties.
B. P. Yakimov, E. A. Shirshin, J. Schleusener, A. S. Allenova, V. V. Fadeev, M. E. Darvin   +5 more
doaj   +1 more source

Research Progress in Wearable Microneedle Sensors for Health Analysis

Advanced Sensor Research, EarlyView.
Wearable biosensors are transforming personal healthcare by enabling minimally invasive, molecular‐level monitoring. Emerging electrochemical microneedle sensors can detect analytes in interstitial fluid, enabling painless extraction and real‐time tracking.
Adnan Zameer, Yang Guo, Hongda Wang, Qiang Zhang   +3 more
wiley   +1 more source

Characterization of melanin from Exophiala mesophila with the prospect of potential biotechnological applications

Frontiers in Fungal Biology
IntroducionFungal 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, Cristy Medina-Armijo, Ibraheem Yousef, Antonio Berná, Anna Puerta, Abraham Esteve-Núñez, Marc Viñas, Francesc X. Prenafeta-Boldú   +7 more
doaj   +1 more source

Microbial Contribution to Soiling and Its Impact on Photovoltaic Module Soiling in Arid Zones of the Atacama Desert

Advanced Sustainable Systems, EarlyView.
Microorganisms colonizing photovoltaic surfaces in the Atacama desert form biofilms that enhance particle adhesion and reduce energy yield. This study identifies UV‐resistant bacteria and carotenoid‐producing strains that interfere with PV performance.
Douglas Olivares, Ricardo Ortíz, Luis Rojas‐Araya, María Teresa Mata, Felipe Galleguillos, Jaime Llanos, Carlos Portillo, Valentina Escobar, Aitor Marzo   +8 more
wiley   +1 more source

Wearable and Implantable Devices for Continuous Monitoring of Muscle Physiological Activity: A Review

Advanced Science, EarlyView.
Recent advances in materials and device engineering enable continuous, real‐time monitoring of muscle activity via wearable and implantable systems. This review critically summarizes emerging technologies for tracking electrophysiological, biomechanical, and oxygenation signals, outlines fundamental principles, and highlights key challenges and ...
Zhengwei Liao, Ata Golparvar, Mohammad Javad Bathaei, Filipe Arroyo Cardoso, Clementine M. Boutry   +4 more
wiley   +1 more source