670 Nanometer Led

A 670-nanometer LED is a light-emitting diode that produces red light centered at a wavelength of 670 nanometers, a spectral range studied in photobiomodulation and neuroscience. When this light reaches neural tissue, cellular chromophores can absorb the photons and alter mitochondrial activity, energy production, and related signaling pathways, with effects influenced by exposure intensity and duration. Researchers use 670-nanometer LEDs to examine how noninvasive red-light stimulation may affect neuronal function, cellular stress, inflammation, and recovery after injury. This approach supports investigations of brain physiology and potential therapeutic strategies for neurological disorders.

670 Nanometer Led - Related Videos

Research

JoVE Journal - Neuroscience

Using Affordable LED Arrays for Photo-Stimulation of Neurons

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Cited by 7 •

2011

Adult-born neurons expressing ChR2 can be manipulated in slice electrophysiological preparations in order to examine their contribution towards the function of olfactory neural circuits.

Fluorescence Imaging with One-nanometer Accuracy (FIONA)

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Cited by 11 •

2014

Single fluorophores can be localized with nanometer precision using FIONA. Here a summary of the FIONA technique is reported, and how to carry out FIONA experiments is described.

Research

JoVE Journal - Engineering
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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid

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Cited by 39 •

2016

We present a method for achieving sub-nanometer resolution images with amplitude-modulation (tapping mode) atomic force microscopy in liquid. The method is demonstrated on commercial atomic force microscopes. We explain the rationale behind our choices of parameters and suggest strategies for resolution optimization.

Investigation of a Blue Light LED Device to Suppress Wound Pathogens Using a Collagen-Based Synthetic Skin Model

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2026

A 405 nm blue light LED device demonstrates antimicrobial efficacy against a broad range of wound pathogens when evaluated on a collagen-based synthetic skin model. This simplified in vitro approach offers a reproducible and ethically viable alternative for early-phase evaluation of light-based antimicrobial therapies.

Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal

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2025

This manuscript presents a novel, innovative 3D-printed illumination device for studying Rose Bengal-mediated photodynamic therapy in vitro.

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