Optical imaging of tissue mitochondrial redox state in intact rat lungs in two models of pulmonary oxidative stress

R Sepehr, K Staniszewski, S Maleki… - … of biomedical optics, 2012 - spiedigitallibrary.org
Ventilation with enhanced fractions of O 2 (hyperoxia) is a common and necessary treatment
for hypoxemia in patients with lung failure, but prolonged exposure to hyperoxia causes lung …

Novel flurometric tool to assess mitochondrial redox state of isolated perfused rat lungs after exposure to hyperoxia

R Sepehr, SH Audi, KS Staniszewski… - IEEE journal of …, 2013 - ieeexplore.ieee.org
Recently, we demonstrated the utility of optical fluorometry to detect a change in the redox
status of mitochondrial autofluorescent coenzymes nicotinamide adenine dinucleotide …

FLUORESCENT IMAGES OF MITOCHONDRIAL REDOX STATES IN IN SITU MOUSE HYPOXIC ISCHEMIC INTESTINES

M Ranji, S Nioka, HN Xu, B Wu, LZ Li… - Journal of Innovative …, 2009 - World Scientific
We have imaged mitochondrial oxidation–reduction states by taking a ratio of mitochondrial
fluorophores: NADH (reduced nicotinamide adenine dinucleotide) to Fp (oxidized …

Surface fluorescence studies of tissue mitochondrial redox state in isolated perfused rat lungs

K Staniszewski, SH Audi, R Sepehr, ER Jacobs… - Annals of biomedical …, 2013 - Springer
We designed a fiber-optic-based optoelectronic fluorometer to measure emitted
fluorescence from the auto-fluorescent electron carriers NADH and FAD of the mitochondrial …

Optical Cryoimaging Reveals a Heterogeneous Distribution of Mitochondrial Redox State in ex vivo Guinea Pig Hearts and Its Alteration During Ischemia and …

M Ranji, MM Motlagh, F Salehpour… - IEEE journal of …, 2016 - ieeexplore.ieee.org
Oxidation of substrates to generate ATP in mitochondria is mediated by redox reactions of
NADH and FADH2. Cardiac ischemia and reperfusion (IR) injury compromises …

Optical metabolic imaging of irradiated rat heart exposed to ischemia–reperfusion injury

MF la Cour, S Mehrvar, JS Heisner… - … of biomedical optics, 2018 - spiedigitallibrary.org
Whole thoracic irradiation (WTI) is known to cause deterioration in cardiac function. Whether
irradiation predisposes the heart to further ischemia and reperfusion (IR) injury is not well …

Calibration of redox scanning for tissue samples

HN Xu, B Wu, S Nioka, B Chance… - Optical Tomography and …, 2009 - spiedigitallibrary.org
The fluorescence properties of reduced nicotinamide adenine dinucleotide (NADH) and
oxidized flavoproteins (Fp) such as flavin adenine dinucleotide (FAD) in the respiratory …

3D imaging of the mitochondrial redox state of rat hearts under normal and fasting conditions

HN Xu, R Zhou, L Moon, M Feng… - Journal of innovative …, 2014 - World Scientific
The heart requires continuous ATP availability that is generated in the mitochondria.
Although studies using the cell culture and perfused organ models have been carried out to …

Quantitative redox scanning of tissue samples using a calibration procedure

HN Xu, B Wu, S Nioka, B Chance… - Journal of innovative …, 2009 - World Scientific
The fluorescence properties of reduced nicotinamide adenine dinucleotide (NADH) and
oxidized flavoproteins (Fp) including flavin adenine dinucleotide (FAD) in the respiratory …

Optical imaging of lipopolysaccharide-induced oxidative stress in acute lung injury from hyperoxia and sepsis

R Sepehr, SH Audi, S Maleki… - Journal of innovative …, 2013 - World Scientific
Reactive oxygen species (ROS) have been implicated in the pathogenesis of many acute
and chronic pulmonary disorders such as acute lung injury (ALI) in adults and …