Sandhya Chandrasekaran

Works (4)

Updated: May 20th, 2024 08:03

2024 journal article

Shear shock wave injury<i> in</i><i> vivo:</i> High frame-rate ultrasound observation and histological assessment

JOURNAL OF BIOMECHANICS, 166.

By: S. Chandrasekaran n, F. Santibanez  n, T. Long*, T. Nichols*, J. Kait *, R. Bruegge n, C. Bass *, G. Pinton n

author keywords: Shear shock waves; Ultrasound; Traumatic Brain Injury
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Source: Web Of Science
Added: May 13, 2024

2022 journal article

In situ ultrasound imaging of shear shock waves in the porcine brain

JOURNAL OF BIOMECHANICS, 134.

By: S. Chandrasekaran n, F. Santibanez  n, B. Tripathi*, R. DeRuiter n, R. Bruegge n & G. Pinton n

author keywords: Ultrasound imaging; RF tracking; Motion tracking; Shear waves; Shock waves
MeSH headings : Animals; Brain / diagnostic imaging; Brain Injuries, Traumatic; Elasticity Imaging Techniques / methods; Head; Motion; Phantoms, Imaging; Swine; Ultrasonography / methods
TL;DR: The experimental velocity, acceleration, and strain-rate waveforms in brain for the monochromatic impact are shown to be in excellent agreement with theoretical predictions from a custom higher-order finite volume method hence demonstrating the capabilities to measure rapid brain motion despite strong acoustical reverberations from the porcine skull. (via Semantic Scholar)
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Added: May 16, 2022

2020 journal article

Modeling Ultrasound Propagation in the Moving Brain: Applications to Shear Shock Waves and Traumatic Brain Injury

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 68(1), 201–212.

By: S. Chandrasekaran n, B. Tripathi n, D. Espindola * & G. Pinton n

author keywords: Biomedical acoustics; biomedical imaging; finite difference simulations; numerical simulation; shear shock waves; traumatic brain injury (TBI)
MeSH headings : Animals; Brain / diagnostic imaging; Brain Injuries, Traumatic; Elasticity Imaging Techniques; Humans; Phantoms, Imaging; Reproduction; Swine; Ultrasonography
TL;DR: It is shown that the proposed generalized impedance flow method accurately captures the shear wave motion in terms of the wave profile, shock front characteristics, odd harmonic spectrum generation, and acceleration at theShear shock front. (via Semantic Scholar)
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Source: Web Of Science
Added: January 19, 2021

2017 journal article

Composition and structure of porcine digital flexor tendon-bone insertion tissues

Journal of Biomedical Materials Research Part A, 105(11), 3050–3058.

By: S. Chandrasekaran n, M. Pankow n, K. Peters n  & H. Huang n 

author keywords: tendon-bone insertion; collagen fiber orientation; fast fourier transform; time-of-flight secondary ion mass spectrometry
MeSH headings : Animals; Anisotropy; Biomechanical Phenomena; Bone and Bones / chemistry; Collagen / analysis; Minerals / analysis; Spectrometry, Mass, Secondary Ion; Swine; Tendons / chemistry; Tensile Strength
TL;DR: The porcine digital flexor tendon insertion tissue is examined to provide a quantitative description of its collagen orientation and mineral concentration by using Fast Fourier Transform based image analysis and mass spectrometry, respectively. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

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