[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 …

Couplants in acoustic biosensing systems

R Manwar, L Saint-Martin, K Avanaki - Chemosensors, 2022 - mdpi.com
Acoustic biosensors are widely used in physical, chemical, and biosensing applications.
One of the major concerns in acoustic biosensing is the delicacy of the medium through …

[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 …

Randomized multi‐angle illumination for improved linear array photoacoustic computed tomography in brain

R Manwar, JB Lara, R Prakash… - Journal of …, 2022 - Wiley Online Library
One of the key challenges in linear array transducer‐based photoacoustic computed
tomography is to image structures embedded deep within the biological tissue with limited …

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 …

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 …

Recent technical advances in accelerating the clinical translation of small animal brain imaging: hybrid imaging, deep learning, and transcriptomics

W Ren, B Ji, Y Guan, L Cao, R Ni - Frontiers in Medicine, 2022 - frontiersin.org
Small animal models play a fundamental role in brain research by deepening the
understanding of the physiological functions and mechanisms underlying brain disorders …

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 …

Cerebral blood oxygenation measurement in sheep brain in-vivo using transfontanelle photoacoustic spectroscopy

R Manwar, L McGuire, A Shoo… - … and Sensing 2022, 2022 - spiedigitallibrary.org
Cerebral oxygenation monitoring at early stage of life is a measure of diagnosing hypoxia-
induced brain injuries that may otherwise result into severe neurological disorders. Two …