2,913 results found
    1. Neuroscience

    Three-dimensional multi-site random access photostimulation (3D-MAP)

    Yi Xue, Laura Waller ... Nicolas Pégard
    A one-photon three-dimensional light sculpture technique has been developed and demonstrated for high spatio-temporal resolution photostimulation and imaging of dozens of neurons in the intact mouse brain in vivo.
    1. Neuroscience
    2. Developmental Biology

    A novel optical microscope for imaging large embryos and tissue volumes with sub-cellular resolution throughout

    Gail McConnell, Johanna Trägårdh ... William Bradshaw Amos
    A new type of microscope reveals detail of organelles inside every cell in the entirety of an intact embryo or tissue region over 100 cubic millimeters in volume.
    1. Biochemistry and Chemical Biology
    2. Physics of Living Systems

    Optical estimation of absolute membrane potential using fluorescence lifetime imaging

    Julia R Lazzari-Dean, Anneliese MM Gest, Evan W Miller
    Fluorescence lifetime imaging microscopy, paired with fluorescent, voltage-sensitive dyes, provides a method for measuring and quantifying membrane potentials of living cells.
    1. Neuroscience

    Retinal microvascular and neuronal pathologies probed in vivo by adaptive optical two-photon fluorescence microscopy

    Qinrong Zhang, Yuhan Yang ... Na Ji
    A properly designed two-photon fluorescence microscope allows high-resolution visualization of neurons and capillaries in healthy and diseased mouse retinas in vivo, while to visualize subcellular structures, adaptive optics is required to correct the eye-induced optical aberrations.
    1. Neuroscience

    Curvature domains in V4 of macaque monkey

    Jia Ming Hu, Xue Mei Song ... Anna Wang Roe
    There is a systematic functional organization for curvature representation in area V4 where specific curvatures are encoded by unique values (modules) from the set of systematically represented values.
    1. Neuroscience

    Optogenetic strategies for high-efficiency all-optical interrogation using blue-light-sensitive opsins

    Angelo Forli, Matteo Pisoni ... Tommaso Fellin
    A new soma-targeted variant of the large-conductance blue-light-sensitive opsin CoChR combined with advanced optical stimulation methods allows high-efficiency all-optical neuronal imaging and stimulation in mouse brain in vivo.
    1. Cell Biology
    2. Immunology and Inflammation

    Deep-learning-based three-dimensional label-free tracking and analysis of immunological synapses of CAR-T cells

    Moosung Lee, Young-Ho Lee ... YongKeun Park
    Rapid, label-free, volumetric, and automated assessment of the immunological synapse dynamics is demonstrated by combining optical diffraction tomography and deep-learning-based segmentation, providing a new option for immunological research.
    1. Neuroscience

    Simultaneous two-photon imaging and two-photon optogenetics of cortical circuits in three dimensions

    Weijian Yang, Luis Carrillo-Reid ... Rafael Yuste
    An all-optical 3D two-photon imaging and photostimulation platform was demonstrated, with the capability to precisely stimulate a large group of cells in mice cortex in vivo with low laser power.
    1. Neuroscience
    2. Physics of Living Systems

    Gigapixel imaging with a novel multi-camera array microscope

    Eric E Thomson, Mark Harfouche ... Eva A Naumann
    A new multi camera imaging platform simultaneously captures large-area, high-resolution video of unconstrained small model organisms and provides behavioral measurements that span multiple spatial scales.
    1. Neuroscience

    Double-μPeriscope, a tool for multilayer optical recordings, optogenetic stimulations or both

    Mototaka Suzuki, Jaan Aru, Matthew E Larkum
    Interactions between near but distinct (<1 mm) structures such as cortical layers in the rodent brain can be studied by a new micro-optical tool that is low-cost and capable of multilayer optical recordings, optogenetic stimulations, or both.

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