Mechanical Removal
Mechanical Removal - Related Videos
06:27
Chorion and Vitelline Membrane Mechanical Removal: A Method to Prepare Drosophila Oocytes for Direct Observation
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2023
This video describes a method to mechanically remove the chorion and vitelline membranes from previously fixed mature Drosophila oocytes. The featured protocol shows a detailed demonstration of the procedure yielding oocytes compatible with fluorescent in situ hybridization assays.
07:11
Biofilm Removal Using Carbon Dioxide Aerosols without Nitrogen Purge
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Cited by 2 •
2016
Biofilms on surfaces can be effectively and rapidly removed by using a periodic jet of carbon dioxide aerosols without a nitrogen purge.
06:43
Rotary Evaporation to Remove Solvent
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2023
Source: Dr. Melanie Pribisko Yen and Grace Tang — California Institute of Technology Rotary evaporation is a technique most commonly used in organic chemistry to remove a solvent from a higher-boiling point compound of interest. The rotary evaporator, or "rotovap", was invented in 1950 by the chemist Lyman C. Craig. The primary use of a rotovap is to dry and purify samples for downstream applications. Its speed and ability to handle large volumes of solvent make rotary evaporation a preferred...
12:45
Mechanical Stimulation of Chondrocyte-agarose Hydrogels
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Cited by 29 •
2012
The biosynthesis of cartilaginous extracellular matrix by chondrocytes can be affected by application of mechanical stimuli. This method describes the technique of applying dynamic compressive strains to chondrocytes encapsulated in 3D constructs and the evaluation of induced changes in chondrocyte metabolism.
03:02
Nictitating Membrane Removal: A Surgical Procedure to Remove Nictitating Membrane from Rabbit Eye
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2025
In this video, we demonstrate a surgical procedure to remove nictitating membrane from rabbit’s eye.
FAQs
Material properties, site access, and containment needs largely determine whether mechanical removal will work effectively. Soil, sediment, waterborne substances, and solid waste may require different extraction or separation equipment. Restricted access can limit what machinery reaches the target, while inadequate containment may allow material to spread during handling. These factors guide method selection and affect cleanup performance.
Its immediate mechanism is source reduction through physical separation, extraction, or transfer. By taking contaminated material or waste out of the affected area, the approach can rapidly limit exposure and pollutant spread without relying on chemical or biological transformation. Containment remains important because disturbance, pumping, dredging, or transport can redistribute pollutants if removed materials are not controlled.
Unlike chemical or biological remediation, this approach does not depend on transforming the unwanted material into another form. Its main benefit is the potentially rapid reduction of material present at a site, which can be valuable during spill response. However, removal shifts the management requirement to handling, transport, treatment, or disposal of the extracted material.
Equipment selection follows the material being targeted and the physical setting of the site. Excavators can address accessible soil or solid waste, while dredges and pumps support removal of sediment or water-associated material. Skimmers, screens, and filters provide separation for particular substances or particle sizes. The chosen equipment must also fit site access and containment requirements.
Extraction is only one stage of the cleanup process. Removed soil, sediment, waterborne substances, or solid waste must be safely handled and transported, then treated or disposed of as appropriate. Planning these downstream steps prevents the extracted material from creating a new exposure or spreading beyond the original site. Safe material management therefore supports the effectiveness of the removal operation.
Researchers and environmental managers evaluate results by monitoring residual contamination and ecological recovery. Measurements after extraction indicate whether unwanted material remains at the site, while ecological observations help determine whether environmental conditions are improving. This follow-up is important in spill response, habitat restoration, and waste cleanup because rapid extraction alone does not establish that remediation goals have been achieved.