Led Array
Led Array - Related Videos
07:40
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.
09:16
Array Comparative Genomic Hybridization (Array CGH) for Detection of Genomic Copy Number Variants
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Cited by 7 •
2015
Array CGH for the detection of genomic copy number variants has replaced G-banded karyotype analysis. This paper describes the technology and its application in a diagnostic service laboratory.
19:40
Design and Use of Multiplexed Chemostat Arrays
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Cited by 108 •
2013
We developed and validated a small-footprint array of miniature chemostats built from readily available parts for low cost. Physiological and experimental evolution results were similar to larger volume chemostats. The ministat array provides a compact, inexpensive, and accessible platform for traditional chemostat experiments, functional genomics, and chemical screening applications.
02:56
Ultrasound-Induced Neuromodulation Using a Microelectrode Array System
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2025
This video demonstrates the method for inducing the modulation of neural activity in cultured human iPSC-derived neurons in a multi-well microelectrode array, or MEA system using a focused ultrasound transducer.
08:27
Multielectrode Array Recordings of the Vomeronasal Epithelium
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Cited by 14 •
2010
Multielectrode array (MEA) recordings provide a method for studying the electrical activity of large populations of neurons. Here, we present the details of a MEA preparation to record from the mouse vomeronasal epithelium while simultaneously stimulating the tissue.
FAQs
Control comes from coordinating its individual diodes rather than treating illumination as a single undifferentiated source. Each diode produces light through electroluminescence, and the elements can be arranged or operated to vary wavelength, intensity, timing, and spatial distribution. This enables researchers to expose biological samples to defined optical conditions and examine responses to particular light stimuli.
These variables determine the character of the light stimulus delivered to a sample. Adjusting wavelength can distinguish different light conditions, while intensity, timing, and spatial distribution define how much light is provided, when it is provided, and where it reaches. Controlling them separately helps researchers relate a developmental response to a specified exposure rather than to an uncontrolled optical difference.
Reproducibility depends on giving comparable samples comparable optical conditions. Coordinated diodes allow the illumination pattern and exposure settings to be standardized across experiments. That consistency improves experimental precision and supports stronger comparisons between groups, making it easier to connect a defined light exposure with changes observed during embryonic or cellular development.
In developmental biology, controlled illumination can serve as an experimental input for studying light-responsive signaling or optogenetic regulation. Researchers can vary the selected optical conditions and then examine developmental changes in embryos or cells. The approach helps connect an externally defined light stimulus with the regulation of biological processes and with resulting developmental outcomes.
A useful experimental description should specify the wavelength, intensity, timing, and spatial distribution delivered by the coordinated elements. These settings define the optical exposure received by each sample and provide the basis for comparing treatments. Keeping those conditions explicit helps distinguish effects associated with the intended light stimulus from differences in illumination between samples.
By comparing samples exposed to defined optical conditions, investigators can evaluate whether light is associated with changes in embryonic or cellular development. In developmental biology, the resulting observations can inform studies of light-responsive signaling, optogenetic regulation, and environmentally induced developmental changes. The array therefore supports a direct link between controlled illumination and measurable developmental outcomes.