We report an innovative approach for the fabrication of highly light transmissive, antireflective optical interfaces. This is possible due to the discovery that metallic nanoparticles may be used as a lithographic mask to etch nonstraightforward structures into fused silica, which results in a quasihexagonal pattern of hollow, pillar-like protuberances. The far reaching optical performance of these structures is demonstrated by reflection and transmission measurements at oblique angles of incidence over a broad spectral region ranging from deep-ultraviolet to infrared light.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1021/nl080330y | DOI Listing |
Biomimetics (Basel)
December 2024
Department of Clinical Sciences and Stomatology, Università Politecnica delle Marche, 60121 Ancona, Italy.
Marginal enamel fractures (MEF) are a common clinical concern in dentistry, particularly in anterior teeth. These fractures occur at the enamel margins and their etiopathogenesis involves a complex interplay of mechanical, chemical, and biological factors. The ongoing research focuses on an overview of MEF to improve the knowledge about this condition.
View Article and Find Full Text PDFBiomimetics (Basel)
December 2024
College of Engineering, Design and Physical Sciences, Brunel University London, Uxbridge UB8 3PH, UK.
In recent years, significant advancements have been made in the field of brain-computer interfaces (BCIs), particularly in the area of emotion recognition using EEG signals. The majority of earlier research in this field has missed the spatial-temporal characteristics of EEG signals, which are critical for accurate emotion recognition. In this study, a novel approach is presented for classifying emotions into three categories, positive, negative, and neutral, using a custom-collected dataset.
View Article and Find Full Text PDFBiomimetics (Basel)
November 2024
Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK.
In nature, engineering technology and daily life, wetting phenomena are widespread and have essential roles and significance. Bionics is becoming increasingly important nowadays and exploring the mechanism that influences biomimetic surface microstructure on droplet wetting process and heat and mass transfer characteristics is becoming more meaningful. In this paper, based on photolithography technology, SU-8 photoresist was used as raw material to prepare biomimetic surfaces with microstructures in various arrangements.
View Article and Find Full Text PDFEur J Pharm Biopharm
December 2024
Department of Biomedical Engineering, Indian Institute of Technology (IIT), Hyderabad, India. Electronic address:
Skin, as the primary interface with the external environment, is susceptible to damage, posing a formidable challenge for complete restoration in adult skin injuries. Wound healing remains a clinical challenge, necessitating advanced biomaterials to support cell proliferation, modulate inflammation, and combat infections. Among several options, hydrogel can be a capable contender for biological dressings.
View Article and Find Full Text PDFACS Appl Mater Interfaces
December 2024
Institute of Biochemistry, Life Sciences Center, Vilnius University, Saulėtekio av. 7, Vilnius, LT-10257, Lithuania.
Neuronal cell death induced by cell membrane damage is one of the major hallmarks of neurodegenerative diseases. Neuroinflammation precedes the loss of neurons; however, whether and how inflammation-related proteins contribute to the loss of membrane integrity remains unknown. We employed a range of biophysical tools, including high-speed atomic force microscopy, fluorescence spectroscopy, and electrochemical impedance spectroscopy, to ascertain whether the pro-inflammatory protein S100A8 induces alterations in biomimetic lipid membranes upon interaction.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!