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Merck

CS1030

Sigma-Aldrich

Chitinase Assay Kit, Fluorimetric

sufficient for 200 multiwell tests

Sinónimos:

Chitinase Detection Kit

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About This Item

Código UNSPSC:
12161503
NACRES:
NA.84

uso

sufficient for 200 multiwell tests

Nivel de calidad

Condiciones de envío

wet ice

temp. de almacenamiento

−20°C

Información sobre el gen

human ... CHIT1(1118)

Descripción general

The kit assay is based on the enzymatic hydrolysis of chitinase substrates. This enzymatic hydrolysis releases 4-methylumbelliferone (4MU), which upon ionization in basic pH, can be measured fluorimetrically at an excitation wavelength of 360 nm and an emission wavelength of 450 nm. The use of fluorimetric substrates provides a very sensitive detection system.

Aplicación

The Chitinase Assay Kit provides all the reagents required for efficient and sensitive detection of chitinase activity in fungal and bacterial growth media, macrophage lysates, and purified enzyme preparations. In addition, the kit provides three different substrates for the detection of the various types of the chitinolytic activity:
  • 4-Methylumbelliferyl N,N′-diacetyl-β-D-chitobioside - substrate suitable for exochitinase activity detection (chitobiosidase activity)
  • 4-Methylumbelliferyl N-acetyl-β-D-glucosaminide - substrate suitable for exochitinase activity detection (β-N-acetylglucosaminidase activity)
  • 4-Methylumbelliferyl β-D-N,N′,N′′-triacetylchitotriose - substrate suitable for endochitinase activity detection

Acciones bioquímicas o fisiológicas

Chitinase catalyzes the hydrolytic cleavage of the β-1→4-glycoside bond present in biopolymers of N-acetylglucosamine, primarily in chitin. Chitinases are widely distributed in living organisms and are found in fungi, bacteria, parasites, plants, and animals. They are classified in families based on amino acid sequence similarities.
The chitinolytic enzymes are also categorized based on their enzymatic action on chitin substrates. Endochitinases are defined as the enzymes catalyzing the random cleavage at internal points in the chitin chain. Exochitinases catalyze the progressive release of acetylchitobiose or N-acetylglucosamine from the non-reducing end of chitin, and are referred to as chitobiosidase and β-N-acetylglucosaminidase, respectively.
Chitinases perform different functions in different organisms. In bacteria, they are mainly involved in nutritional processes. In yeast and various fungi, these enzymes participate in morphogenesis. In animals and plants, chitinases primarily play a role in the defense of the organism against pathogen attack.

Idoneidad

The kit was tested and found suitable for Trichoderma viride and Streptomyces griseus, along with Hela, Jurkat, CHO, NIH-3T3, U-837 mammalian cell lines, human macropages, rat lung, kidney, liver, and brain tissue.

Nota de preparación

Use ultrapure water for preparation of reagents.

Solo componentes del kit

Referencia del producto
Descripción

  • Assay Buffer 25 mL

  • 4-Methylumbelliferyl N-acetyl-β-D-glucosaminide 5 mg

  • 4-Methylumbelliferyl β-D-N,N′-diacetylchitobioside hydrate 5 mg

  • 4-Methylumbelliferyl β-D-N,N′,N′′-triacetylchitotriose 5 mg

  • Chitinase from Trichoderma viride 1 mg

  • 4-Methylumbelliferone Standard Solution, 50 mg/mL 1 mL

  • Sodium Carbonate 2 g

  • Dimethyl Sulfoxide 1 mL

Ver todo (8)

Pictogramas

Health hazard

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Eye Irrit. 2 - Resp. Sens. 1

Código de clase de almacenamiento

10 - Combustible liquids

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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