Sonication Conditions
Sonication Conditions - Related Videos
07:24
Sonication Extraction of Lipid Biomarkers from Sediment
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2023
Source: Laboratory of Jeff Salacup - University of Massachusetts Amherst The material comprising the living "organic" share of any ecosystem (leaves, fungi, bark, tissue; Figure 1) differs fundamentally from the material of the non-living "inorganic" share (rocks and their constituent minerals, oxygen, water, metals). Organic material contains carbon linked to a series of other carbon and hydrogen molecules (Figure 2), which distinguishes it from inorganic material. Carbon's wide valency range...
09:05
Generation and Quantitative Analysis of Pulsed Low Frequency Ultrasound to Determine the Sonic Sensitivity of Untreated and Treated Neoplastic Cells
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2015
Selective damage of human leukemia cells can be achieved through a novel approach of applying low frequency ultrasound both with and without chemotherapeutic pretreatment of leukemic and normal hematopoietic cells.
03:22
Low Frequency Ultrasound Application: A Method to Determine the Effect of Sonication on Human Leukemia Cells
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2023
This video describes the selective damage of human leukemia cells by using low frequency ultrasound. This application of low frequency ultrasound in a preclinical in vitro condition demonstrates that cell destruction can be attained in order to examine and compare the effects of sonication on leukemia and normal cells.
10:35
Novel Diagnostics in Revision Arthroplasty: Implant Sonication and Multiplex Polymerase Chain Reaction
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Cited by 16 •
2017
Differential diagnostics in painful arthroplasty is crucial for treatment success. Joint aspiration is routinely performed preoperatively. Multiplex polymerase chain reaction of the joint aspirate and the sonication fluid, a feasible tool for quick pathogen detection from these samples is described.
10:10
Sonication-facilitated Immunofluorescence Staining of Late-stage Embryonic and Larval Drosophila Tissues In Situ
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Cited by 5 •
2014
Immunostaining is an effective technique for visualizing specific cell types and proteins within tissues. By utilizing sonication, the protocol described here alleviates the need to dissect Drosophila melanogaster tissues from late-stage embryos and larvae before immunostaining. We provide an efficient methodology for the immunostaining of formaldehyde-fixed whole mount larvae.
FAQs
Amplitude controls the intensity of the ultrasonic energy delivered to the sample. Increasing it can strengthen cavitation-related shear forces and fluid motion, which may improve disruption or homogenization. However, stronger treatment also increases the risk of localized heating and molecular damage. Researchers therefore select an amplitude that achieves the intended biological disruption without unnecessarily stressing the sample.
Pulse duration determines how long ultrasonic energy is applied during each treatment interval, while total exposure time reflects the cumulative treatment received. Separating energy delivery into controlled intervals can help manage heat buildup while still providing sufficient disruption. These settings influence whether the outcome is efficient lysis, homogenization, DNA shearing, or excessive damage to the sample.
Sample volume changes how ultrasonic energy is distributed through the material. A treatment that works for one volume may not produce the same disruption or heating pattern in another. Because volume interacts with amplitude, exposure time, and temperature control, researchers should optimize settings for the actual sample amount rather than assuming a single condition will transfer unchanged.
Ultrasonic pressure cycles create cavitation bubbles in the liquid, and their collapse generates localized shear forces and fluid motion. These effects can break apart cells, tissues, or molecular complexes and help release intracellular proteins. The same physical forces can also contribute to unwanted molecular damage, so the desired disruption must be balanced against treatment intensity and exposure.
Optimization begins by matching the treatment goal, such as cell lysis, tissue homogenization, DNA shearing, or protein release, with suitable amplitude and exposure settings. Researchers then consider pulse duration, total treatment time, sample volume, and temperature control. Adjusting these factors together helps identify conditions that produce consistent disruption while limiting overheating and preserving material needed for downstream assays.
These conditions are useful when biological material must be disrupted before biochemical analysis or molecular biology assays. Applications supported by the method include lysing cells, homogenizing tissues, shearing DNA, and releasing proteins. The selected settings affect how completely the material is processed, which in turn influences the quality and reproducibility of subsequent sample analysis.
Temperature control helps distinguish the effects of intentional ultrasonic disruption from damage caused by overheating. Cavitation and fluid motion can generate localized heat, particularly as treatment intensity or exposure increases. Managing temperature supports more consistent sample preparation and reduces the chance that heat-related molecular changes will complicate biochemical analysis or compromise downstream assay results.