[HTML][HTML] Photoacoustic imaging for investigating tumor hypoxia: a strategic assessment

D Nasri, R Manwar, A Kaushik, EE Er, K Avanaki - Theranostics, 2023 - ncbi.nlm.nih.gov
Hypoxia causes the expression of signaling molecules which regulate cell division, lead to
angiogenesis, and further, in the tumor microenvironment, promote resistance to …

[HTML][HTML] Development and characterization of transfontanelle photoacoustic imaging system for detection of intracranial hemorrhages and measurement of brain …

R Manwar, K Kratkiewicz, S Mahmoodkalayeh, A Hariri… - Photoacoustics, 2023 - Elsevier
We have developed and optimized an imaging system to study and improve the detection of
brain hemorrhage and to quantify oxygenation. Since this system is intended to be used for …

[HTML][HTML] Transfontanelle photoacoustic imaging of intraventricular brain hemorrhages in live sheep

J Benavides-Lara, R Manwar, LS McGuire, MT Islam… - Photoacoustics, 2023 - Elsevier
Intraventricular (IVH) and periventricular (PVH) hemorrhages in preterm neonates are
common because the periventricular blood vessels are still developing up to 36 weeks and …

Advances in the transport of laser radiation to the brain with optical clearing: From simulation to reality

AS Shanshool, S Ziaee, MA Ansari… - Progress in Quantum …, 2024 - Elsevier
Advanced laser methods have recently been used in human and animal head tissues for
functional and molecular imaging. Combining these approaches with various probes and …

Evaluation of 10 current image reconstruction algorithms for linear array photoacoustic imaging

R Prakash, R Manwar, K Avanaki - Journal of Biophotonics, 2024 - Wiley Online Library
Various reconstruction algorithms have been implemented for linear array photoacoustic
imaging systems with the goal of accurately reconstructing the strength absorbers within the …

Leveraging ultrasonic actuation during inclined orthopaedic bone drilling: An experimental and histological study

R Agarwal, V Gupta, J Singh - Applied Acoustics, 2023 - Elsevier
The treatment of fractured bones imperatively requires an orthopaedic bone drilling
procedure. During the drilling of fracture bone, induced cutting force and temperature …

Bilirubin–biliverdin concentration measurement using photoacoustic spectroscopic analysis for determining hemorrhage age

R Manwar, JG Gelovani, K Avanaki - Journal of Biophotonics, 2023 - Wiley Online Library
The onset of intracerebral hemorrhage and its progression toward acute brain injury have
been correlated with the concentration of unconjugated bilirubin (BR). In addition, BR has …

Development of ex vivo brain hemorrhage phantom for photoacoustic imaging

R Manwar, MT Islam, A Shoo, DA Pillers… - Journal of …, 2023 - Wiley Online Library
Brain hemorrhage, specifically intraventricular hemorrhage (IVH), is considered one of the
primary and leading causes of cerebral anomalies in neonates. Several imaging modalities …

Adaptive coherent weighted averaging algorithm for enhancement of photoacoustic tomography images of brain

R Manwar, X Li, K Kratkiewicz, D Zhu… - Journal of …, 2023 - Wiley Online Library
One common method to improve the low signal‐to‐noise ratio of the photoacoustic (PA)
signal generated from weak absorbers or absorbers located in deep tissue is to acquire …

Spiral laser scanning photoacoustic microscopy for functional brain imaging in rats

M Zafar, LS McGuire, SM Ranjbaran… - …, 2024 - spiedigitallibrary.org
Significance There are many neuroscience questions that can be answered by a high-
resolution functional brain imaging system. Such a system would require the capability to …