Cell Sieving Technique
Cell Sieving Technique - Related Videos
01:19
Sieve Analysis and Grading Curves
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2024
Sieve analysis is a method used to determine the particle size distribution of aggregate materials. This process involves the following steps: The required quantity of dried sample of aggregate is weighed. The weighed aggregates are sieved through a set of sieves with square openings arranged in descending order of aperture size, with the largest mesh on top (Column 1 of Table 1). The stack of sieves is shaken or vibrated to facilitate the sorting of particles by size. After sieving for a...
14:16
A New Application of the Electrical Penetration Graph (EPG) for Acquiring and Measuring Electrical Signals in Phloem Sieve Elements
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Cited by 24 •
2015
Electrical Penetration Graph (EPG) is a well-established technique for studying the feeding behavior of stylet-bearing insects. Here we show a new application of EPG as a non-invasive tool for the acquisition of intracellular electrophysiology recordings of sieve elements (SEs), the cells that form the phloem vasculature in plants.
10:14
An Efficient Sieving Method to Isolate Intact Glomeruli from Adult Rat Kidney
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Cited by 13 •
2018
The main focus of this protocol is to efficiently isolate viable primary glomeruli cultures with minimal contaminants for use in a variety of downstream applications. The isolated glomeruli retain structural relationships between component cell types and can be cultured ex vivo for a short time.
09:22
Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity
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Cited by 22 •
2014
Replication is one of the processing techniques used for the production of porous metal sponges. In this paper one implementation of the method for the production of open celled porous aluminum is shown in detail.
04:39
Caenorhabditis Sieve: A Low-tech Instrument and Methodology for Sorting Small Multicellular Organisms
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Cited by 5 •
2018
The current protocol includes a methodology for the sorting and cleaning of age-matched populations of Caenorhabditis elegans. It uses a simple, inexpensive, and efficient custom-made tool to obtain a large experimental population of nematodes for research.
FAQs
Pore size sets the practical cutoff for passage through a cell sieve. Smaller cells and fluid can move through the openings, while larger cells, aggregates, and debris remain in the retained fraction. Adjusting this size-based boundary changes which population enters downstream analysis and helps standardize sample composition.
Aggregation can alter the fraction recovered because clustered material behaves as a larger unit than individual cells. As a result, retained material may include cell clumps or debris that would not be retained in the same way when cells are more evenly dispersed. Reducing clumps therefore improves suspension uniformity for counting, microscopy, or later assays.
Sample-handling conditions influence how consistently cells and debris are distributed across the sieve. If handling produces uneven clumps or an inconsistent suspension, the retained and passed fractions may not represent the intended cell population. Maintaining a consistent starting suspension is therefore important when comparing samples or preparing material for downstream biological analysis.
A basic Cell Sieving Technique workflow begins with a cell suspension, then directs it through a porous mesh or membrane. The researcher collects the material that passes through and separately retains the larger fraction on the sieve. Each fraction can then be assessed for its suitability in microscopy, counting, culture, or downstream assays.
Choosing the sieve pore size should match the separation goal: a smaller opening retains a broader range of larger material, whereas a larger opening permits more material to pass. Because pore size determines the partition between fractions, selection affects whether the resulting sample is enriched, clarified, or reduced in unwanted debris.
Cell sieving is useful when a biological sample contains clumps, mixed-sized material, or unwanted debris that could interfere with analysis. The resulting suspension can be more uniform and easier to handle for microscopy, cell counting, culture, or downstream assays. In this context, the technique supports sample preparation rather than replacing the analysis performed afterward.