Random Sonication Strategy
Random Sonication Strategy - 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...
09:45
New Variations for Strategy Set-shifting in the Rat
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Cited by 3 •
2017
Set-shifting, a form of behavioral flexibility, requires an attentional shift from one stimulus dimension to another. We extended an established rodent set-shifting task1 by requiring attention to different stimuli according to context. The task was combined with specific lesions to identify neuron subtypes underlying a successful shift.
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.
FAQs
Ultrasonic cavitation is the immediate driver of disruption. Sound waves create microscopic bubbles in the sample, and their collapse releases mechanical forces that act on membranes and macromolecules. The same physical event can open cellular material while shearing DNA or chromatin, making previously enclosed nucleic acids more accessible for downstream molecular analysis and controlled fragment recovery.
Randomized treatment conditions can reduce systematic bias by preventing fragmentation from being governed by one repeated pattern of exposure. Instead, the sample receives conditions intended to produce a range of fragment sizes rather than a consistently favored size or region. This broader distribution can support more representative chromatin or DNA preparation for subsequent genomic and molecular assays.
Sonication intensity, treatment duration, temperature, and sample composition are the principal variables identified for controlling results. Increasing or extending exposure can alter the extent of cellular disruption and macromolecule shearing, while temperature and composition affect how the biological material responds. Balancing these conditions helps preserve the nucleic acids or chromatin required for reliable downstream analysis.
The workflow applies ultrasonic energy to the biological sample, then uses the resulting disruption and shearing to prepare material for a selected downstream assay. Researchers adjust intensity, duration, temperature, and sample composition rather than treating these settings as fixed. The preparation is successful when disruption improves access to the target material without compromising the biological molecules needed for analysis.
It is useful when chromatin immunoprecipitation requires chromatin to be disrupted and fragmented before the assay. Sonication exposes cellular material and shears chromatin into a range of fragment sizes, creating a preparation compatible with downstream analysis. Controlling the treatment conditions is important because excessive or insufficient disruption can affect whether the recovered chromatin remains suitable for reliable molecular interpretation.
The approach prepares DNA or chromatin in a form that can be more accessible and, when conditions are controlled, more consistently distributed across fragment sizes. That makes it relevant to genomic analysis and molecular assays that depend on accessible or size-controlled nucleic acids. Its value lies in linking physical sample disruption with the material requirements of the chosen downstream measurement.