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G2500

Sigma-Aldrich

Gelatin from porcine skin

gel strength 300, Type A

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About This Item

CAS Number:
9000-70-8
EC Number:
232-554-6
MDL number:
MFCD00081638
UNSPSC Code:
12352202
NACRES:
NA.61

biological source

Porcine skin

Quality Level

200

type

Type A

Assay

70-90% (biuret)

form

powder

technique(s)

cell culture | mammalian: suitable

gel strength

~300 g Bloom

solubility

H2O: soluble 50 mg/mL

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General description

Gelatin is a hydrocolloid. Bovine or porcine bone and hide are its commercial sources. It is a collagen derivative and comprises protein as a major component with minerals and water.

Application

Gelatin from porcine skin has been used:
  • for coating glass-bottomed plates for culturing A375 cells and in gelatin degradation assay
  • for coating glass slides in the histological studies with brain sections
  • in the synthesis of gelatin methacrylate (GelMA) prepolymer for encapsulating cells on to 3D printed hydrogels
  • to prepare thiol-functionalized gelatin (GelSH) hydrogel for 3D projection bioprinting

Gelatin from porcine skin is recommended for use as a cell culture substratum at 1-5 μg/cm2 or 0.5-50 μg/mL. The optimal concentration does depend on cell type as well as the application and research objectives.

Biochem/physiol Actions

Gelatin polymer is an alternative biomaterial to collagen for cell and tissue culture. It is a much sorted gelling agent useful as a thickener and food ingredient. Gelatin is also used as a foaming and binding agent and as well as in the pharmaceutical industry. It is biodegradable and biocompatible with biomedical applications especially in biomaterials for cardiac and vascular tissue regeneration.

Components

Gelatin is a heterogeneous mixture of water-soluble proteins of high average molecular masses, present in collagen. Proteins are extracted by boiling the relevant skin, tendons, ligaments, bones, etc. in water. Type A gelatin is derived from acid-cured tissue. Type B is derived from lime-cured tissue.

Caution

Dry gelatin, when stored in airtight containers at room temperature, will remain unchanged for many years. When heated at 100°C in the presence of air, it swells becomes soft and disintegrates to a carbonaceous mass with evolution of pyridine bases and ammonia.

Preparation Note

This product is derived from porcine skin. Gelatin is soluble in hot than in cold water. It is practically insoluble in most organic solvents such as alcohol, chloroform, carbon disulfide, carbon tetrachloride, ether, benzene, acetone, and oils. The Bloom number, determined by the Bloom gelometer, is an indication of the strength of a gel formed from a solution of the known concentration. The Bloom number is proportional to the average molecular mass. Bloom numbers of porcine skin Gelatin vary from 90 to 300 g. This product has a gell strength of 300 and is soluble in water at 50 mg/mL.

Other Notes

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Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

G2500-VAR:
G2500-100G:4548173197531
G2500-1KG:4548173197548
G2500-PM:
G2500-BULK:
G2500-500G:4548173197555

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Gabriele Pitingolo et al.
Micromachines, 10(4) (2019-04-24)
Traditional two-dimensional (2D) cell culture models are limited in their ability to reproduce human structures and functions. On the contrary, three-dimensional (3D) microtissues have the potential to permit the development of new cell-based assays as advanced in vitro models to
Sami Zaqout et al.
Frontiers in neuroanatomy, 10, 38-38 (2016-04-12)
Golgi staining remains a key method to study neuronal morphology in vivo. Since most protocols delineating modifications of the original staining method lack details on critical steps, establishing this method in a laboratory can be time-consuming and frustrating. Here, we
Nicola Contessi Negrini et al.
Acta biomaterialia, 87, 61-75 (2019-01-18)
When adipose tissue (AT) is impaired by trauma or disease, AT engineering could provide a shelf-ready structural and functional restoration as alternative to current clinical treatments, which mainly aim at aesthetic replacement. Yet, the lack of an efficient vascular network
R F Vogt et al.
Journal of immunological methods, 101(1), 43-50 (1987-07-16)
We tested instantized dry milk, casein, gelatins from pig and fish skin, serum albumin and several other proteins for their abilities to block non-specific binding (NSB) of a peroxidase-conjugated immunoglobulin to polystyrene microtiter plate wells. Each blocking protein was tested
J P Gobetti et al.
Journal of the American Dental Association (1939), 113(2), 291-292 (1986-08-01)
The study showed that washing a gloved hand removed significant amounts of bacteria. If the proper soap or scrub is used, the gloved hand will be free of bacteria. It is suggested that all dental personnel wear gloves to protect
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