Results 71 to 80 of about 21,339 (261)

In Vivo Imaging of Microglia With Multiphoton Microscopy

open access: yesFrontiers in Aging Neuroscience, 2018
Neuroimaging has become an unparalleled tool to understand the central nervous system (CNS) anatomy, physiology and neurological diseases. While an altered immune function and microglia hyperactivation are common neuropathological features for many CNS ...
Carmen Hierro-Bujalance   +2 more
doaj   +1 more source

Widefield compressive multiphoton microscopy

open access: yesOptics Letters, 2018
A single-pixel compressively sensed architecture is exploited to simultaneously achieve a 10× reduction in acquired data compared with the Nyquist rate, while alleviating limitations faced by conventional widefield temporal focusing microscopes due to scattering of the fluorescence signal.
Milad Alemohammad   +6 more
openaire   +2 more sources

Neodymium‐Doped Nanocrystals for Sensing Cellular Temperature at the Nanoscale

open access: yesAdvanced Optical Materials, EarlyView.
Neodymium‐doped NaYF4 nanocrystals are engineered as bright, biocompatible nanothermometers for intracellular temperature mapping. Their ratiometric near‐infrared emission enables highly sensitive, nanoscale thermal readouts in living cells. Combined with gold nanostars for photothermal therapy, they reveal pronounced subcellular heating heterogeneity ...
Maria Bravo   +13 more
wiley   +1 more source

Methods for Mapping Neuronal Activity to Synaptic Connectivity: Lessons From Larval Zebrafish

open access: yesFrontiers in Neural Circuits, 2018
For a mechanistic understanding of neuronal circuits in the brain, a detailed description of information flow is necessary. Thereby it is crucial to link neuron function to the underlying circuit structure.
Adrian A. Wanner, Ashwin Vishwanathan
doaj   +1 more source

Harnessing Ultrafast Optical Pulses for 3D Microfabrication by Selective Tweezing and Immobilization of Colloidal Particles in an Integrated System

open access: yesAdvanced Photonics Research, Volume 6, Issue 5, May 2025.
Microfabrication using nano‐ to micron‐sized blocks has transformative potential for next‐gen electronics, optoelectronics, and materials. Traditional methods are limited by scalability and precision. STIC, a single‐laser system for precise colloid manipulation and immobilization using femtosecond lasers, is introduced that enables efficient 3D ...
Krishangi Krishna   +4 more
wiley   +1 more source

2-Photon Laser Scanning Microscopy on Native Human Cartilage

open access: yes, 2005
Martini J, Tönsing K, Dickob M, Anselmetti D. 2-Photon Laser Scanning Microscopy on Native Human Cartilage. In: Proceedings of SPIE - The International Society for Optical Engineering. Vol 5860.
Michael Dickob   +7 more
core   +1 more source

Intravital Microscopy of the Beating Murine Heart to Understand Cardiac Leukocyte Dynamics

open access: yesFrontiers in Immunology, 2020
Cardiovascular disease is the leading cause of worldwide mortality. Intravital microscopy has provided unprecedented insight into leukocyte biology by enabling the visualization of dynamic responses within living organ systems at the cell-scale.
Nathaniel H. Allan-Rahill   +4 more
doaj   +1 more source

Multiphoton microscopy: An introduction to gastroenterologists

open access: yesWorld Journal of Gastroenterology, 2011
Multiphoton microscopy, relying on the simultaneous absorption of two or more photons by a fluorophore, has come to occupy a prominent place in modern biomedical research with its ability to allow real-time observation of a single cell and molecules in intact tissues. Multiphoton microscopy exhibits nonlinear optical contrast properties, which can make
Hye Jin, Cho   +3 more
openaire   +2 more sources

Multiphoton‐Printed Microrobotic Arrays Powered by Discrete, Monolithically Integrated Hydrogel Actuators

open access: yesAdvanced Robotics Research, EarlyView.
Functional surfaces are investigated as a foundation for reconfigurable microscale systems with sensing and actuation capabilities. Advances in additive manufacturing enable our development of planar arrays of hybrid‐material, compliant microdevices that convert environmental stimuli into programmed motion and visual responses.
Sandra Edward   +5 more
wiley   +1 more source

Mechanistic Insight Into the Polymorph‐Dependent Photosalient Effect of a White Light or Two‐Photon Activated Photoreactive Molecular Salt

open access: yesAngewandte Chemie, EarlyView.
Photocycloaddition in stilbene‐type salt polymorphs exhibit distinct light‐driven responses: OHT‐TI shows a violent photosalient effect under visible and NIR (two‐photon) irradiation, whereas OHT‐TII reacts statically. Packing and computational analysis reveals that shell‐like structures in OHT‐TI frustrate structural relaxation, accumulating explosive
Emanuela Santagata   +10 more
wiley   +2 more sources

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