Cell Suspension Filtration
Cell Suspension Filtration - Related Videos
03:47
Obtaining Cell Suspensions from Ischemic Mouse Brain Tissues
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2025
This video demonstrates the procedure for isolating brain cells and infiltrated immune cells from ischemic mouse brain tissues by enzymatic digestion, followed by the removal of cell debris and myelin by density gradient centrifugation, to study inflammation responses in stroke research.
01:32
Filtration and Urine Formation
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2019
The function of the kidneys is to filter, reabsorb, secrete, and excrete. Every day the kidneys filter nearly 180 liters of blood, initially removing water and solutes but ultimately returning nearly all filtrates into circulation with the help of osmoregulatory hormones. This process removes wastes and toxins but is also crucial to maintain water and electrolyte levels. Most of these functions are performed by the tiny but numerous nephrons contained within the kidneys. Blood enters the renal...
03:42
Obtaining a Single-Cell Suspension from Mouse Hippocampal Tissue
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2025
This video demonstrates a protocol to obtain a highly viable single-cell suspension from the mouse brain hippocampus using a combination of automated mechanical dissociation and a mixture of enzymes to aid in enzymatic digestion.
01:26
Glomerular Filtration: Net Filtration Pressure
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2025
Glomerular filtration, a key process in the kidneys, is regulated by three main pressures: Glomerular blood hydrostatic pressure (GBHP), Capsular hydrostatic pressure (CHP), and Blood colloid osmotic pressure (BCOP). GBHP, with an average value of 55 mmHg, promotes filtration by pushing water and solutes through the filtration membrane. This is balanced by two opposing forces: CHP, a "back pressure" exerted against the filtration membrane by fluid already in the capsular space and renal tubule,...
15:33
Simple and Efficient Technique for the Preparation of Testicular Cell Suspensions
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Cited by 20 •
2013
A novel protocol for the mechanical preparation of testicular cell suspensions from rodent material, avoiding enzymes and detergents, is described. The method is very simple, fast, reproducible, and renders good quality cell suspensions, which are suitable for flow sorting and RNA extraction.
FAQs
Pore size determines which components pass through and which remain on the membrane or mesh. Openings that are too large may allow unwanted aggregates or debris to pass, while smaller openings can retain larger cells along with clumps. Selecting an appropriate pore size therefore influences sample cleanliness, cell recovery, and the consistency of material available for later analysis.
Filter material and flow conditions can change how effectively a suspension is separated and how well sample quality is preserved. The membrane or mesh provides the size-exclusion barrier, while flow conditions influence passage through that barrier. Considering both factors helps limit contamination and supports more reproducible samples for counting, imaging, flow cytometry, or molecular assays.
Filtration can remove larger cell aggregates and particulate debris that interfere with a more uniform suspension. By retaining components that exceed the filter openings, the process reduces sources of uneven sample composition before analysis. This is especially relevant when clumping could affect cell counting, imaging, or flow-cytometry measurements and make results less consistent.
The outcome depends on the relative size of each component and the filter opening. Fluid and smaller particles pass through, whereas larger cells, aggregates, or debris are retained. This separation can produce a cleaner fraction for downstream work, but the retained material may also contain cells if their size exceeds the selected openings, making filter choice important.
A suspension is directed through a porous membrane or mesh under defined flow conditions, and the resulting separated material is used for analysis. Preparation requires attention to the suspension’s cell and particulate content, the filter’s pore size and material, and whether the desired outcome is a cleaner passed fraction or retention of larger components.
Cancer researchers can apply this preparation method to tumor, blood, and cultured-cell suspensions before cell counting, imaging, flow cytometry, or downstream molecular assays. Its value lies in producing cleaner and more consistent samples by reducing clumping and contamination. That preparation can support more reproducible measurements across different cancer-related sample types and analyses.