Silicone Oil Immersion
Silicone Oil Immersion - Related Videos
07:01
Improved Polydimethylsiloxane (PDMS) Double Casting via Silicone Oil Treatment for Densely Packed Microstructure Replication
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2025
This protocol presents an improved demolding procedure for the Polydimethylsiloxane (PDMS) double casting technique by introducing silicone oil as a non-adhesive barrier between PDMS layers. Unlike plasma or chemical surface modification methods, this approach requires no specialized or costly equipment, making it a more accessible and cost-effective alternative.
09:03
A Reversible Silicon Oil-Induced Ocular Hypertension Model in Mice
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Cited by 33 •
2019
Here, we present a protocol to induce ocular hypertension and glaucomatous neurodegeneration in mouse eyes by intracameral injection of silicone oil and the procedure for silicone oil removal from the anterior chamber to return elevated intraocular pressure to normal.
13:19
Enhanced Oil Recovery using a Combination of Biosurfactants
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Cited by 2 •
2022
We illustrate the methods involved in screening and identification of the biosurfactant producing microbes. Methods for chromatographic characterization and chemical identification of the biosurfactants, determining the industrial applicability of the biosurfactant in enhancing residual oil recovery are also presented.
11:30
Buoyancy and Drag on Immersed Bodies
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2023
Source: Alexander S Rattner and Sanjay Adhikari; Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, PA Objects, vehicles, and organisms immersed in fluid mediums experience forces from the surrounding fluid in the form of buoyancy- a vertical upward force due to fluid weight, drag- a resistive force opposite the direction of motion, and lift- a force perpendicular to the direction of motion. Prediction and characterization of these forces is...
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.
FAQs
Silicone oil creates a refractive-index transition closer to that of glass and biological specimens than a poorly matched interface would provide. This reduces the bending of light as it travels between the objective, coverslip, and specimen. The improved optical path helps preserve image quality when examining fluorescent neurons or neural tissue.
Spherical aberration can cause light rays passing through different parts of the optical system to focus inconsistently, weakening image sharpness and contrast. By reducing this effect, Silicone Oil Immersion supports more consistent high-numerical-aperture imaging. That improvement is especially relevant when resolving cellular structures within fluorescence images of neural preparations.
The choice depends on how well the immersion medium matches the optical conditions of the specimen and imaging surface. Silicone Oil Immersion can be useful when water or conventional oil does not provide the desired optical performance. In neuroscience, this may help maintain resolution, contrast, and consistency in live-cell or tissue imaging.
A high numerical aperture allows an objective to collect light across a broad range of angles, supporting detailed optical imaging. Silicone Oil Immersion helps maintain this capability while limiting refraction and spherical aberration along the imaging path. The resulting images can better support visualization of fine cellular structures and fluorescence signals in neural tissue.
The essential arrangement places silicone oil between the immersion objective and the coverslip or imaging surface, creating a continuous optical interface for light transmission. The specimen is then viewed through that objective under the selected microscopy system. This setup is intended to improve how light travels into and out of biological preparations.
This technique is relevant to fluorescence imaging of neurons and neural tissue, including preparations maintained under live-cell or tissue conditions. Its value is greatest when investigators need reliable visualization of cellular structures or activity and when another immersion medium is not optically optimal. It therefore supports both structural and activity-oriented neural imaging.
Researchers can assess improvements in fluorescence-image resolution, contrast, and consistency. These qualities influence how clearly cellular structures appear and how reliably neural signals or activity can be visualized across an imaging preparation. The method is therefore useful when image quality must support interpretation of neurons or neural tissue rather than merely produce a visible signal.