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P1644

Percoll®

pH 8.5-9.5 (20 °C)

Synonym(s):

Percoll Density Gradient Media

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About This Item

UNSPSC Code:
12352207
NACRES:
NA.75
MDL number:
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sterility

aseptically filled

Quality Segment

form

colloidal ((Colloidal solution of silica coated with polyvinylpyrrolidone (PVP)) )

technique(s)

cell culture | mammalian: suitable

color

clear colorless to faint yellow

pH

8.5-9.5 (20 °C)

application(s)

hematology
histology

storage temp.

2-8°C

General description

Percoll® is a classic medium for density gradient centrifugation of cells, viruses, and subcellular particles. Percoll consists of colloidal silica particles of 15–30 nm diameter (23% w/w in water), which have been coated with polyvinylpyrrolidone (PVP). The PVP coating renders the product completely non-toxic and ideal for use with biological materials.

Application

Percoll® has been used in sperm preparation to study the energy requirements of bovine embryos.
Percoll consists of colloidal silica particles of 15-30 nm diameter (23% w/w in water) which have been coated with polyvinylpyrrolidone (PVP). It is used in cell separation and organelle isolation.
Percoll consists of colloidal silica particles of 15-30 nm diameter (23% w/w in water) which have been coated with polyvinylpyrrolidone (PVP). It is used to establish non-toxic low viscosity, low osmolarity density gradients that can be used to isolate cells, organelles and viruses. It has been used to separate inner and outer membrane vesicles from E. coli. Percoll is isosmotic throughout the gradient, non-toxic, and is easily removed from the purified materials.

Legal Information

Percoll is a registered trademark of Cytiva

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This Item
P4937P7828A8577
sterility

aseptically filled

sterility

aseptically filled

sterility

aseptically filled

sterility

aseptically filled

technique(s)

cell culture | mammalian: suitable

technique(s)

cell culture | mammalian: suitable, single cell analysis: suitable

technique(s)

cell culture | plant: suitable

technique(s)

ELISA: suitable, electrophoresis: suitable, western blot: suitable

form

colloidal ((Colloidal solution of silica coated with polyvinylpyrrolidone (PVP)) )

form

colloidal

form

colloidal (Colloidal solution of silica coated with polyvinylpyrrolidone (PVP))

form

solution

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

pH

8.5-9.5 (20 °C)

pH

8.5-9.5 (25 °C)

pH

8.9 (20 °C)

pH

-


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Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves



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Questions

1–10 of 11 Questions  
  1. What is the details about the manufacturing process of Percoll, specifically regarding the amount of PVP used during bead soaking or the approximate PVP concentration within Percoll?

    1 answer
    1. Percoll is produced by Cytiva, formerly known as GE Life Sciences. Details regarding the proprietary manufacturing process are not publicly available. However, it can be mentioned that the Percoll particles range in size from 15 to 30 nanometers. While the density of Percoll solution is measured, the specific information regarding the amount of coating on the silica particles is not provided.

      Helpful?

  2. What is procedure for sperm preparation for ivf with percoll gradient

    1 answer
    1. Please note that this product is intended for research use only. This material is not tested for the isolation of sperm samples. The following reference may be helpful:
      Chen. Y. et al., Int. J. Fertil., 37, 315-319 (1992).

      Please see the link below to review the product datasheet for additional information.
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/977/430/p1644pis.pdf

      Helpful?

  3. CAN I FREEZE PERCOLL (P1644)? I SEE IN OTHER REF THAT I CAN, BUT NOT IN THIS REF

    1 answer
    1. This material should not be stored frozen for long periods of time. As per the product information sheet, if stored at –20 °C, gradients form upon thawing, necessitating mixing the contents of the bottle before use. Please see the link below to review the product datasheet for further information:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/426/291/percoll-product-info-sheet-ms.pdf

      Helpful?

  4. Percoll (P1644) 을 gradient 만드는데 사용했는데요, P4937도 같은 용도로 사용 가능한가요?

    1 answer
    1. Yes, product P4937 can be used for the same use as product P1644.

      Helpful?

  5. I often find crystals. Can I filter the solution before use? What filter size could I use without affecting the functionality of the product?

    1 answer
    1. Particles may be removed by filtration or low speed centrifugation. More information about the particles filtration can be found in the product data sheet:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/977/430/p1644pis.pdf
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/426/291/percoll-product-info-sheet-ms.pdf

      Helpful?

  6. When using Product P1644, Percoll®, what density should I use for my particular system?

    1 answer
    1. The product information sheet (under Documents, above) has a table of densities for different organelles and cell types.

      Helpful?

  7. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

  8. What is the difference between Percoll® Products P4937 and P1644?

    1 answer
    1. Product Nos. P1644 and P4937 are both Percoll. Product No. P4937 has additional testing for use in cell culture.

      Helpful?

  9. Can you help me calculate gradients for Percoll®, Product P1644?

    1 answer
    1. The product information sheet (under Documents, above) has an equation for calculating density of a given solution.

      Helpful?

  10. Is there a "best" salt solution to use with Product P1644, Percoll®?

    1 answer
    1. Percoll can be used with various salt formulations (PBS, 1.5 M NaCl, HBSS, etc.). Physiological saline and balanced salt solutions can be suggested.  Sucrose is included to prevent aggregation.  You can find detailed preparation instructions on the product information sheet (under Documents, above) for this product.

      Helpful?

1–10 of 11 Questions  

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