Fluorescence lifetime imaging microscopy: fundamentals and advances in instrumentation, analysis, and applications

R Datta, TM Heaster, JT Sharick… - … of biomedical optics, 2020 - spiedigitallibrary.org
Significance: Fluorescence lifetime imaging microscopy (FLIM) is a powerful technique to
distinguish the unique molecular environment of fluorophores. FLIM measures the time a …

Intravital imaging to study cancer progression and metastasis

D Entenberg, MH Oktay, JS Condeelis - Nature Reviews Cancer, 2023 - nature.com
Navigation through the bulk tumour, entry into the blood vasculature, survival in the
circulation, exit at distant sites and resumption of proliferation are all steps necessary for …

[HTML][HTML] Microglial metabolic flexibility supports immune surveillance of the brain parenchyma

LP Bernier, EM York, A Kamyabi, HB Choi… - Nature …, 2020 - nature.com
Microglia are highly motile cells that continuously monitor the brain environment and
respond to damage-associated cues. While glucose is the main energy substrate used by …

Macrophages provide a transient muscle stem cell niche via NAMPT secretion

D Ratnayake, PD Nguyen, FJ Rossello, VC Wimmer… - Nature, 2021 - nature.com
Skeletal muscle regenerates through the activation of resident stem cells. Termed satellite
cells, these normally quiescent cells are induced to proliferate by wound-derived signals …

[HTML][HTML] Investigating mitochondrial redox state using NADH and NADPH autofluorescence

TS Blacker, MR Duchen - Free Radical Biology and Medicine, 2016 - Elsevier
The redox states of the NAD and NADP pyridine nucleotide pools play critical roles in
defining the activity of energy producing pathways, in driving oxidative stress and in …

Fit-free analysis of fluorescence lifetime imaging data using the phasor approach

S Ranjit, L Malacrida, DM Jameson, E Gratton - Nature protocols, 2018 - nature.com
Fluorescence lifetime imaging microscopy (FLIM) is used in diverse disciplines, including
biology, chemistry and biophysics, but its use has been limited by the complexity of the data …

Harnessing non-destructive 3D pathology

JTC Liu, AK Glaser, K Bera, LD True… - Nature biomedical …, 2021 - nature.com
High-throughput methods for slide-free three-dimensional (3D) pathological analyses of
whole biopsies and surgical specimens offer the promise of modernizing traditional …

[HTML][HTML] Separating NADH and NADPH fluorescence in live cells and tissues using FLIM

TS Blacker, ZF Mann, JE Gale, M Ziegler… - Nature …, 2014 - nature.com
NAD is a key determinant of cellular energy metabolism. In contrast, its phosphorylated form,
NADP, plays a central role in biosynthetic pathways and antioxidant defence. The reduced …

Classification of T-cell activation via autofluorescence lifetime imaging

AJ Walsh, KP Mueller, K Tweed, I Jones… - Nature biomedical …, 2021 - nature.com
The function of a T cell depends on its subtype and activation state. Here, we show that
imaging of the autofluorescence lifetime signals of quiescent and activated T cells can be …

Fluorescence lifetime imaging–techniques and applications

W Becker - Journal of microscopy, 2012 - Wiley Online Library
Fluorescence lifetime imaging (FLIM) uses the fact that the fluorescence lifetime of a
fluorophore depends on its molecular environment but not on its concentration. Molecular …