Cellular Suspension
Cellular Suspension - Related Videos
10:17
The Tail Suspension Test
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Cited by 534 •
2012
The tail-suspension test is validated as an experimental procedure to assess antidepressant efficacy of drug treatments in mice. Mice are suspended by their tails for six minutes and escape-related behaviors are assessed. We describe procedures used in conducting the tail suspension test.
04:16
ECM Suspension Preparation: A Technique to Obtain Homogenous Suspension from Tissue-derived Extracellular Matrix
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2023
This video describes the preparation of a homogenized and digested extracellular matrix suspension from decellularized and lyophilized tissues. This technique helps in fabricating ECM-derived porous foams and microcarriers for use as substrates in advanced 3D cell culture models.
01:17
Colloids and Suspensions
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2023
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
05:00
Cellular Respiration - Concepts
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2019
Autotrophs and Heterotrophs Living organisms require a continuous input of energy to maintain cellular and organismal functions such as growth, repair, movement, defense, and reproduction. Cells can only use chemical energy to fuel their functions, therefore they need to harvest energy from chemical bonds of biomolecules, such as sugars and lipids. Autotrophic organisms, namely plants, algae, and photosynthetic and chemosynthetic bacteria, convert inorganic materials into such biomolecules by...
05:44
Cellular Respiration - Student Protocol
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2019
Quantifying Respiration using Microrespirometers ExpandNOTE: In this experiment, you will measure the rate of cellular respiration for germinating seeds by measuring the rate of exchange for oxygen. As oxygen is consumed to provide energy, germinating seeds release carbon dioxide. This carbon dioxide is absorbed by potassium carbonate and thus the overall gaseous pressure of the respirometer will be reduced. HYPOTHESES: The experimental hypothesis is that germinating seeds will show a greater...
FAQs
Mixing serves two linked purposes: it helps keep cells or small clusters from settling and reduces aggregation while maintaining contact with the surrounding medium. The movement must remain gentle enough to support viability rather than create damaging conditions. This balance determines whether the preparation remains suitable for growth, transport, or downstream analysis.
The liquid medium is an active control environment, not merely a carrier. Its nutrients support cellular maintenance and growth, while pH and osmotic balance help preserve conditions compatible with viable cells. If these factors are not regulated, the preparation may become less useful for physiological studies, proliferation measurements, or treatment-response experiments.
Cellular suspension can support both biological maintenance and analytical sampling, but those goals emphasize different outcomes. Growth-oriented work focuses on viability and proliferation under controlled mixing, whereas analysis-oriented work may prioritize obtaining a dispersed population for counting or flow cytometry. Recognizing the intended endpoint helps identify which culture conditions matter most.
Maintaining dispersion is especially important when the goal is to interpret population-level behavior. Individual cells or small clusters can remain available for observations of physiology, proliferation, or responses to treatments, whereas settling and aggregation can interfere with how the population is maintained or analyzed. Physical handling therefore affects the biological information the preparation can provide.
A basic workflow centers on placing the cells in a nutrient-containing liquid medium, maintaining pH and osmotic balance, and applying gentle agitation or other fluid movement. The preparation is then maintained under conditions that preserve viability while limiting settling and aggregation. From there, the system can support growth, transport, counting, treatment studies, or other analyses.
Before flow cytometry or cell counting, a dispersed preparation provides a population suitable for measurement without relying on settled material. The liquid environment and gentle movement help maintain that state during preparation, while analysis can then focus on population characteristics or cell numbers. This makes suspension methods useful for routine measurement and experimental modeling.
Cellular suspension links cell-level behavior with processes that require many cells. Researchers can use it to examine physiology and proliferation, assess treatment responses, support experimental models, and develop scalable production of biological materials. The same general approach therefore connects basic studies of living cells with larger bioprocessing applications.