Silicon Dioxide Surface
Silicon Dioxide Surface - Related Videos
09:45
Monolayer Contact Doping of Silicon Surfaces and Nanowires Using Organophosphorus Compounds
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Cited by 9 •
2013
A detailed procedure for surface doping of Silicon interfaces is provided. The ultra-shallow surface doping is demonstrated by using phosphorus containing monolayers and rapid annealing process. The method can be used for doping of macroscopic area surfaces as well as nanostructures.
08:48
Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment
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Cited by 1 •
2015
We report on a process of in situ alteration of HF treated Si (001) surface into a hydrophilic or hydrophobic state by irradiating samples in microfluidic chambers filled with H2O2/H2O solution (0.01%-0.5%) or methanol solutions using pulsed UV laser of a relative low pulse fluence.
06:39
Tools for Surface Treatment of Silicon Planar Intracortical Microelectrodes
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Cited by 3 •
2022
The present protocol describes tools for handling silicon planar intracortical microelectrodes during treatments for surface modification via gas deposition and aqueous solution reactions. The assembly of the components used to handle the devices throughout the procedure is explained in detail.
06:53
Fabrication and Optimization of Type II Silicon Clathrate Films
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2025
The two-thermal annealing method enables the fabrication of thin films of type II semiconductor silicon clathrate. Post-synthesis treatments, including thermal pressing and reactive ion etching, were performed to improve the material properties. This approach provides an accessible pathway for fabricating tunable clathrate films suitable for next-generation electronic and photonic devices.
01:28
Carbon-dioxide Fixation
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2025
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
FAQs
Hydrolysis of surface Si–O–Si bonds in aqueous conditions creates silanol groups. These groups establish chemically responsive sites whose protonation state influences surface charge and hydration. Because those properties also affect wettability and biomolecular interactions, the same silica-based material can display different biological behavior according to its surrounding aqueous surface chemistry.
Silanol protonation changes the charge presented by the interface and can therefore influence how biomolecules interact with it. The resulting changes in hydration and wettability affect protein adsorption and other surface interactions. Controlling this chemical state helps researchers regulate molecular binding rather than treating the surface as an inert support.
Researchers can modify the interface with polymers, chemical linkers, or affinity molecules. These additions provide ways to control protein adsorption and to immobilize biological probes on the silica. Selecting among these modification strategies allows the surface to support more deliberate molecular recognition, binding, and signal-generation designs in bioengineering systems.
Surface charge, hydration, and wettability are closely connected properties that shape interactions with biomolecules. Their behavior is influenced by the protonation state of silanol groups formed at the aqueous interface. Together, these characteristics help determine whether proteins adsorb and how effectively biological probes can be retained or immobilized.
In biosensors, the surface can immobilize biological probes and help convert molecular binding into a detectable signal. Within microfluidic devices, its controllable interface supports regulation of molecular transport and interactions along device surfaces. These functions make silica useful when a system requires reproducible control of binding, movement, and signal generation.
Silicon dioxide surfaces also support cell studies and tissue interfaces, where surface chemistry can influence contact with biological materials. Their tunable charge, hydration, wettability, and biomolecule-binding behavior provide a way to study or regulate interactions at engineered interfaces. This connects nanoscale surface chemistry with broader bioengineering goals involving cells, tissues, and biological probes.