Ultrasound Gel
Ultrasound Gel - Related Videos
06:30
Gel Purification
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2023
Gel purification is used to recover DNA fragments after electrophoretic separation. DNA recovery from an agarose gel includes three basic steps: binding, washing and eluting from a silica column. DNA is believed to bind to silica in the presence of high salt via a salt bridge. Following binding, DNA is washed of impurities and eluted under low salt conditions disrupting this interaction. This video goes through a step-by-step, generalized procedure for cutting out a band from the gel, gel...
10:53
A Novel Application of Musculoskeletal Ultrasound Imaging
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Cited by 14 •
2013
We describe a new ultrasound-based vector tissue Doppler imaging technique to measure muscle contraction velocity, strain and strain rate with sub-millisecond temporal resolution during dynamic activities. This approach provides complementary measurements of dynamic muscle function and could lead to a better understanding of mechanisms underlying musculoskeletal disorders.
07:12
Diagnostic Ultrasound Imaging of Mouse Diaphragm Function
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Cited by 7 •
2014
Diagnostic ultrasound imaging has proven to be effective in diagnosing various respiratory diseases in human and animal subjects. We demonstrate a comprehensive ultrasound protocol utilized by Dr. Zuo's lab to analyze diaphragm kinetics specifically in mouse models. This is also a non-invasive research technique which can provide quantitative information on mouse respiratory muscle function.
02:56
Ultrasound-Induced Neuromodulation Using a Microelectrode Array System
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2025
This video demonstrates the method for inducing the modulation of neural activity in cultured human iPSC-derived neurons in a multi-well microelectrode array, or MEA system using a focused ultrasound transducer.
14:20
High-frequency Ultrasound Imaging of the Abdominal Aorta
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2023
Source: Amelia R. Adelsperger, Evan H. Phillips, and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana High-frequency ultrasound systems are used to acquire high resolution images. Here, the use of a state-of-the-art system will be demonstrated to image the morphology and hemodynamics of small pulsatile arteries and veins found in mice and rats. Ultrasound is a relatively inexpensive, portable, and versatile method for the noninvasive...
FAQs
Ultrasound gel improves coupling by replacing microscopic air gaps at the transducer-surface interface. Because air strongly reflects ultrasound, those gaps can interrupt transmission and reduce the energy entering skin or a test material. The gel creates a continuous acoustic path, allowing returning echoes to reach the transducer with less signal loss and supporting more reliable measurements.
Formulation and viscosity are engineering selection variables because the gel must support effective contact between the transducer and the surface while remaining practical to handle. These properties are considered alongside the intended system and procedure, helping designers balance measurement reliability, contact quality, and ease of use in imaging, therapeutic, or testing environments.
Electrical compatibility and ease of removal extend coupling considerations beyond acoustic transmission. A suitable gel must fit the equipment and operating context without creating compatibility concerns, while its removability supports practical handling after contact. Engineers therefore assess these characteristics when choosing materials for systems that require dependable operation and manageable cleanup.
The gel is placed between the ultrasound transducer and the intended surface, such as skin or a test material, before acoustic measurements are made. The transducer then contacts the gel-covered surface to establish a continuous path for transmitted sound and returning echoes. Afterward, the gel can be removed as required by the procedure.
Engineers use this approach in diagnostic imaging systems, therapeutic ultrasound devices, and nondestructive testing procedures. In each setting, the gel helps establish contact between equipment and the surface being examined or treated. Its use is relevant when signal transmission, echo reception, measurement reliability, image quality, or safe contact must be supported.
Gel selection can influence the reliability of measurements and the quality of ultrasound images by supporting a continuous acoustic connection between equipment and the contacted surface. Engineers also consider safe contact, electrical compatibility, viscosity, formulation, and removal. Together, these criteria help match the coupling medium to the requirements of a particular device or testing procedure.