Search Results - "Malacrida, Leonel"
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Fit-free analysis of fluorescence lifetime imaging data using the phasor approach
Published in Nature protocols (01-09-2018)“…Fluorescence lifetime imaging microscopy (FLIM) is used in diverse disciplines, including biology, chemistry and biophysics, but its use has been limited by…”
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Linear Combination Properties of the Phasor Space in Fluorescence Imaging
Published in Sensors (Basel, Switzerland) (27-01-2022)“…The phasor approach to fluorescence lifetime imaging, and more recently hyperspectral fluorescence imaging, has increased the use of these techniques, and…”
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A global view of standards for open image data formats and repositories
Published in Nature methods (01-12-2021)“…Imaging technologies are used throughout the life and biomedical sciences to understand mechanisms in biology and diagnosis and therapy in animal and human…”
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Determination of the metabolic index using the fluorescence lifetime of free and bound nicotinamide adenine dinucleotide using the phasor approach
Published in Journal of biophotonics (01-11-2019)“…The fluorescence lifetime of nicotinamide adenine dinucleotide (NADH) is commonly used in conjunction with the phasor approach as a molecular biomarker to…”
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Biomolecular condensates modulate membrane lipid packing and hydration
Published in Nature communications (28-09-2023)“…Membrane wetting by biomolecular condensates recently emerged as a key phenomenon in cell biology, playing an important role in a diverse range of processes…”
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A multidimensional phasor approach reveals LAURDAN photophysics in NIH-3T3 cell membranes
Published in Scientific reports (23-08-2017)“…Mammalian cell membranes have different phospholipid composition and cholesterol content, displaying a profile of fluidity that depends on their intracellular…”
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PTEN Deficiency and AMPK Activation Promote Nutrient Scavenging and Anabolism in Prostate Cancer Cells
Published in Cancer discovery (01-07-2018)“…We report that PTEN-deficient prostate cancer cells use macropinocytosis to survive and proliferate under nutrient stress. PTEN loss increased macropinocytosis…”
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Phasor-based hyperspectral snapshot microscopy allows fast imaging of live, three-dimensional tissues for biomedical applications
Published in Communications biology (11-06-2021)“…Hyperspectral imaging is highly sought after in many fields including mineralogy and geology, environment and agriculture, astronomy and, importantly,…”
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Measurements of absolute concentrations of NADH in cells using the phasor FLIM method
Published in Biomedical optics express (01-07-2016)“…We propose a graphical method using the phasor representation of the fluorescence decay to derive the absolute concentration of NADH in cells. The method…”
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Spectral phasor analysis of LAURDAN fluorescence in live A549 lung cells to study the hydration and time evolution of intracellular lamellar body-like structures
Published in Biochimica et biophysica acta (01-11-2016)“…Using LAURDAN spectral imaging and spectral phasor analysis we concurrently studied the growth and hydration state of subcellular organelles (lamellar…”
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Label-free fluorescence microscopy: revisiting the opportunities with autofluorescent molecules and harmonic generations as biosensors and biomarkers for quantitative biology
Published in Biophysical reviews (01-08-2023)“…Over the past decade, the utilization of advanced fluorescence microscopy technologies has presented numerous opportunities to study or re-investigate…”
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Novel opportunities from bioimaging to understand the trafficking and maturation of intracellular pulmonary surfactant and its role in lung diseases
Published in Frontiers in immunology (10-08-2023)“…Pulmonary surfactant (PS), a complex mixture of lipids and proteins, is essential for maintaining proper lung function. It reduces surface tension in the…”
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Hyperoxia and Lungs: What We Have Learned From Animal Models
Published in Frontiers in medicine (09-03-2021)“…Although oxygen (O ) is essential for aerobic life, it can also be an important source of cellular damage. Supra-physiological levels of O determine toxicity…”
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StarD5: an ER stress protein regulates plasma membrane and intracellular cholesterol homeostasis
Published in Journal of lipid research (01-06-2019)“…How plasma membrane (PM) cholesterol is controlled is poorly understood. Ablation of the gene encoding the ER stress steroidogenic acute regulatory-related…”
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The DIVER Microscope for Imaging in Scattering Media
Published in Methods and protocols (21-06-2019)“…We describe an advanced DIVER (Deep Imaging Via Emission Recovery) detection system for two-photon fluorescence microscopy that allows imaging in multiple…”
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Quantitative melanoma diagnosis using spectral phasor analysis of hyperspectral imaging from label-free slices
Published in Frontiers in oncology (2023)“…Melanoma diagnosis traditionally relies on microscopic examination of hematoxylin and eosin (H&E) slides by dermatopathologists to search for specific…”
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Fluorescence Lifetime Phasor Analysis of the Decamer-Dimer Equilibrium of Human Peroxiredoxin 1
Published in International journal of molecular sciences (09-05-2022)“…Protein self-assembly is a common feature in biology and is often required for a myriad of fundamental processes, such as enzyme activity, signal transduction,…”
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Publisher Correction: Alteration in Fluidity of Cell Plasma Membrane in Huntington Disease Revealed by Spectral Phasor Analysis
Published in Scientific reports (11-04-2018)“…A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper…”
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Phasor plots and the future of spectral and lifetime imaging
Published in Nature methods (01-07-2023)“…I share my opinions on the benefits of and bottlenecks for hyperspectral and time-resolved imaging. I also discuss current and future perspectives for…”
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