Evaluating cell metabolism through autofluorescence imaging of NAD (P) H and FAD

OI Kolenc, KP Quinn - Antioxidants & redox signaling, 2019 - liebertpub.com
Significance: Optical imaging using the endogenous fluorescence of metabolic cofactors has
enabled nondestructive examination of dynamic changes in cell and tissue function both in …

FLIM as a promising tool for cancer diagnosis and treatment monitoring

Y Ouyang, Y Liu, ZM Wang, Z Liu, M Wu - Nano-Micro Letters, 2021 - Springer
Fluorescence lifetime imaging microscopy (FLIM) has been rapidly developed over the past
30 years and widely applied in biomedical engineering. Recent progress in fluorophore …

Protein-bound NAD (P) H lifetime is sensitive to multiple fates of glucose carbon

JT Sharick, PF Favreau, AA Gillette, SM Sdao… - Scientific reports, 2018 - nature.com
Abstract While NAD (P) H fluorescence lifetime imaging (FLIM) can detect changes in flux
through the TCA cycle and electron transport chain (ETC), it remains unclear whether NAD …

DNA mechanotechnology reveals that integrin receptors apply pN forces in podosomes on fluid substrates

R Glazier, JM Brockman, E Bartle… - Nature …, 2019 - nature.com
Podosomes are ubiquitous cellular structures important to diverse processes including cell
invasion, migration, bone resorption, and immune surveillance. Structurally, podosomes …

Epithelial layer unjamming shifts energy metabolism toward glycolysis

SJ DeCamp, VMK Tsuda, J Ferruzzi, SA Koehler… - Scientific Reports, 2020 - nature.com
In development of an embryo, healing of a wound, or progression of a carcinoma, a requisite
event is collective epithelial cellular migration. For example, cells at the advancing front of a …

Fluorescence intensity and lifetime redox ratios detect metabolic perturbations in T cells

L Hu, N Wang, E Cardona, AJ Walsh - Biomedical Optics Express, 2020 - opg.optica.org
The auto-fluorescent coenzymes reduced nicotinamide dinucleotide (NADH) and oxidized
flavin adenine dinucleotide (FAD) allow label-free detection of cellular metabolism. The …

Separate lifetime signatures of macaque S cones, M/L cones, and rods observed with adaptive optics fluorescence lifetime ophthalmoscopy

KT Huynh, S Walters, EK Foley, JJ Hunter - Scientific Reports, 2023 - nature.com
In the retina, several molecules involved in metabolism, the visual cycle, and other roles
exhibit intrinsic fluorescence. The overall properties of retinal fluorescence depend on …

Single-photon peak event detection (SPEED): a computational method for fast photon counting in fluorescence lifetime imaging microscopy

JE Sorrells, RR Iyer, L Yang, EJ Chaney… - Optics …, 2021 - opg.optica.org
Fluorescence lifetime imaging microscopy (FLIM) characterizes samples by examining the
temporal properties of fluorescence emission, providing useful contrast within samples …

Distance dependence of plasmon-enhanced fluorescence and delayed luminescence of molecular planar nanostructures

D Temirbayeva, N Ibrayev, M Kucherenko - Journal of Luminescence, 2022 - Elsevier
The distance dependence of the plasmon-accelerated decay of excited singlet and triplet
states of Eosin molecules was studied. Layered films of dye were prepared using the …

Label-free metabolic imaging in vivo by two-photon fluorescence lifetime endomicroscopy

W Liang, D Chen, H Guan, HC Park, K Li, A Li… - ACS …, 2022 - ACS Publications
NADH intensity and fluorescence lifetime characteristics have proved valuable intrinsic
biomarkers for profiling the cellular metabolic status of living biological tissues. To fully …