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Key Documents

G2500

Sigma-Aldrich

Gelatina

gel strength 300, Type A

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About This Item

Numero CAS:
Numero CE:
Numero MDL:
Codice UNSPSC:
12352202
NACRES:
NA.61

Origine biologica

Porcine skin

Livello qualitativo

Tipo

Type A

Saggio

70-90% (biuret)

Forma fisica

powder

tecniche

cell culture | mammalian: suitable

Resistenza del gel

~300 g Bloom

Solubilità

H2O: soluble 50 mg/mL

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Descrizione generale

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.

Applicazioni

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.

Azioni biochim/fisiol

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.

Componenti

La gelatina è una miscela eterogenea di proteine solubili in acqua ad alta massa molecolare media, presente nel collagene. Le proteine si estraggono facendo bollire in acqua pelle, tendini, legamenti, ossa, ecc. adatti. La gelatina di tipo A deriva da tessuto trattato con acidi. Quella di tipo B da tessuto trattato con calce.

Avvertenza

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.

Nota sulla preparazione

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.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Sigma-Aldrich

48723

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USP

USP

1288485

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Gelatina medium gel strength, suitable for microbiology

Millipore

48722

Gelatina

Gelatina suitable for microbiology, low gel strength

Millipore

48720

Gelatina

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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
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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

Articoli

Discussion of synthetic modifications to gelatin, improving the three-dimensional (3D) print resolution, and resulting material properties.

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