Grow Light
Grow Light - Related Videos
06:41
Light Sheet Fluorescence Microscopy of Plant Roots Growing on the Surface of a Gel
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Cited by 24 •
2017
This protocol shows a plant sample preparation method for light-sheet microscopy. The setup is characterized by mounting the plant vertically on the surface of a gel and letting it grow in controlled bright conditions. This allows long-term observation of plant organ development in standardized conditions.
08:00
Growing Crystals for X-ray Diffraction Analysis
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2023
Source: Laboratory of Dr. Jimmy Franco - Merrimack College X-ray crystallography is a method commonly used to determine the spatial arrangement of atoms in a crystalline solid, which allows for the determination of the three-dimensional shape of a molecule or complex. Determining the three-dimensional structure of a compound is of particular importance, since a compound's structure and function are intimately related. Information about a compound's structure is often used to explain its...
09:15
Growing Protein Crystals with Distinct Dimensions Using Automated Crystallization Coupled with In Situ Dynamic Light Scattering
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Cited by 4 •
2018
Here we present a protocol for controlled production of protein microcrystals. The process uses an automated device allowing controlled manipulation of several crystallization parameters. The protein crystallization is carried-out by controlled and automated addition of crystallization solutions while monitoring and investigating the radius distribution of particles in the crystallization droplet.
02:48
Culturing the Rapidly Growing Bacterium Vibrio natriegens
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2025
Source: Wiegand, D. J., Lee, et al., Cell-free Protein Expression Using the Rapidly Growing Bacterium Vibrio natriegens. J. Vis. Exp. (2019)This video demonstrates the cultivation and harvesting of Vibrio natriegens, a fast-growing bacterium, under aerated conditions to prepare bacterial pellets for crude extract generation.
03:26
Growing Magnetospirillum Bacteria and Assessing Their Magnetotactic Behavior
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2025
Source: Le Nagard, L., et al. Growing Magnetotactic Bacteria of the Genus Magnetospirillum: Strains MSR-1, AMB-1 and MS-1. J. Vis. Exp. (2018).This video demonstrates how to culture Magnetospirillum bacteria under microaerobic conditions using both liquid and semi-solid media. It highlights the formation of a visible bacterial band at the oxic-anoxic interface and its upward migration as oxygen is depleted. The video also shows how to assess magnetotactic behavior by observing directional...
FAQs
Plant pigments absorb particular wavelengths, so the spectrum supplied by a grow light determines which portions of the available light can contribute to photosynthesis. Changing that spectral composition can also influence leaf development, flowering, and other developmental responses. This makes spectrum selection biologically important because it affects more than illumination, shaping how plants grow under controlled conditions.
Light intensity and exposure duration act as separate variables. Intensity changes how much light is delivered at a given time, whereas duration determines how long plants experience it. Together with spectrum, they can alter growth patterns and photoperiodic responses, which are biological reactions to the timing of light exposure. Controlled studies can vary these factors to examine plant development.
LED systems can provide targeted spectra and adjustable exposure, allowing investigators to change important light conditions without changing the entire experimental environment. Their relatively high energy efficiency is another practical advantage for indoor cultivation and laboratory studies. These features help researchers examine how selected light conditions affect plant physiology, form, or development under controlled biological conditions.
For laboratory plants, researchers can use a grow light as one controllable part of the cultivation environment. They maintain plants under defined light conditions and adjust exposure or spectrum when the study requires a different treatment. This approach supports laboratory plant maintenance and seedling production throughout the year, including periods when available sunlight does not provide sufficient conditions.
Comparing plants exposed to different intensities, durations, or spectra can show how light regulates plant form, physiology, and development. Observed differences may include changes in leaf development, flowering, or photoperiodic responses, all of which are identified as light-sensitive outcomes. Such experiments connect an environmental input with biological changes in the plant.
Grow lights are especially useful when indoor plants cannot receive enough sunlight or when cultivation must continue year-round. They provide a controllable light treatment for producing seedlings and maintaining plants in laboratory or indoor settings. Because researchers can modify intensity, duration, and spectrum, the same general approach serves both practical plant production and experiments on light-regulated biology.