Sucrose Selection
Sucrose Selection - Related Videos
11:00
Liquid Phase Reactor: Sucrose Inversion
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2023
Source: Kerry M. Dooley and Michael G. Benton, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA Both batch and continuous flow reactors are used in catalytic reactions. Packed beds, which use solid catalysts and a continuous flow, are the most common configuration. In the absence of an extensive recycle stream, such packed bed reactors are typically modeled as "plug flow". The other most common continuous reactor is a stirred tank, which is assumed to be perfectly...
03:36
Purification of Bacteriophages Using a Sucrose Density Gradient
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2026
Source: Rustad, M., et.al. Synthesis of Infectious Bacteriophages in an E. coli-based Cell-free Expression System. J. Vis. Exp. (2017)This video demonstrates the purification of bacteriophages from a suspension containing host bacterial debris using a sucrose density gradient. It shows how the density gradient separates phages by buoyant density, enabling recovery of a visible band for resuspension and further analysis.
12:44
A General Method for Evaluating Incubation of Sucrose Craving in Rats
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Cited by 25 •
2011
Responding for food or drug-paired cues increases over the course of a period of abstinence and this may relate to an increased susceptibility to relapse behaviors. Here we detail a procedure for evaluating this "incubation of craving" in rats that have self-administered sucrose.
03:39
Preparation of Virus-Enriched Suspension Using Stepwise Sucrose Centrifugation
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2026
Source: Vijayraghavan, S. and Kantor, B. A Protocol for the Production of Integrase-deficient Lentiviral Vectors for CRISPR/Cas9-mediated Gene Knockout in Dividing Cells. J. Vis. Exp., (2017)This video demonstrates a two-step ultracentrifugation method using sucrose gradients and cushions to purify and concentrate viral particles from cell culture supernatant. The procedure enables separation based on buoyant density, allowing recovery of intact virus suitable for downstream applications.
08:30
Preparation of Synaptoneurosomes from Mouse Cortex using a Discontinuous Percoll-Sucrose Density Gradient
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Cited by 43 •
2011
A method to prepare translationally active, intact synaptoneurosomes (SNs) from mouse brain cortex is described. The method uses a discontinuous Percoll-sucrose density gradient allowing for the quick preparation of active SNs.
FAQs
Cells may first transport sucrose into the cell or hydrolyze it into simpler sugars that can be used in metabolism. These routes provide access to a carbon source for energy generation and biomass formation. Comparing growth under this condition therefore reveals whether the tested cells possess the metabolic capacity needed to use sucrose effectively.
A controlled medium makes sucrose availability the principal nutritional variable being examined. Under these conditions, differences in proliferation can be related more directly to the organisms’ ability to access and metabolize sucrose rather than to broad differences in nutrient supply. This supports meaningful comparisons among cells, tissues, microorganisms, or variants.
Strong proliferation suggests that the tested biological material can use sucrose sufficiently to support energy production and biomass accumulation, whereas poor or absent growth indicates limited suitability under the selected conditions. These contrasting outcomes help researchers assess metabolic traits and distinguish variants according to their performance on a defined carbon source.
The approach begins by placing the cells, tissues, or microorganisms in a controlled culture medium containing sucrose as the principal carbon source. Growth is then assessed under the selected nutritional condition, and the result is compared among samples or variants. The comparison can identify viable material and reveal differences in sucrose-supported proliferation.
Researchers can apply Sucrose selection when they need to examine carbon metabolism, compare growth under defined nutritional conditions, or isolate cells with useful biochemical characteristics. The strategy is relevant to microbial physiology, plant tissue culture, and broader biotechnology studies because it links a measurable growth outcome with performance on sucrose.
In microbial physiology, the method helps compare organisms or variants according to their capacity to grow with sucrose as the principal carbon source. In plant tissue culture, it provides a defined nutritional condition for evaluating tissue growth. Across both settings, the resulting comparisons can help assess metabolic traits and identify viable or useful biological material.