Urease from jack bean min. 220 U/mglyophil.

(Urea amidohydrolase)
EC 3.5.1.5Mr ca. 545 000CAS [9002-13-5]

For the determination of urea (1).
Urease is involved in purine metabolism and the urea cycle. It hydrolyzes urea to produce ammonia and carbon dioxide.

Unit definition: 1 U catalyzes the formation of 1 µmole ammonia per minute at 25 °C, pH 8.0 from urea, determined in a coupled reaction with GLDH (2).
Activity in other units: If the unit of activity is defined in terms of 1 µmole urea decomposed per minute, this preparation would contain at least 90 units/mg.


References:
  1. Kerscher, L. & Ziegenhorn, J. (1985) Methods of Enzymatic Analysis (Bergmeyer, H.U., ed.) 3rd Ed. Vol. 8, p. 444-53
  2. Kaltwasser, H. & Schlegel, H.G. (1966) Anal. Biochem. 16, 132-8
DANGER
Hazard Statements H334
Precautions P261 - P284
Reaction P304 +P340 - P342 +P311

EINECS: 232-656-0WGK: 1HS: 35079090
Storage Temperature: +2 °C to +8 °C

Cat.No.
Size
EUR
37799.01
100 mg
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37799.03
1 g
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H334

Deutsch:

Kann bei Einatmen Allergie, asthmaartige Symptome oder Atembeschwerden verursachen.

English:

May cause allergy or asthma symptoms or breathing difficulties if inhaled.

Français:

Peut provoquer des symptômes allergiques ou d'asthme ou des difficultés respiratoires par inhalation.

Italiano:

Può provocare sintomi allergici o asmatici o difficoltà respiratorie se inalato.

Español:

Puede provocar síntomas de alergia o asma o dificultades respiratorias en caso de inhalación.

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P261

Deutsch:

Einatmen von Staub/Rauch/Gas/Nebel/Dampf/Aerosol vermeiden.

English:

Avoid breathing dust/fume/gas/mist/vapours/spray.

Français:

Éviter de respirer les poussières/fumées/gaz/brouillards/vapeurs/aérosols.

Italiano:

Evitare di respirare la polvere/i fumi/i gas/la nebbia/i vapori/gli aerosol.

Español:

Evitar respirar el polvo/el humo/el gas/la niebla/los vapores/el aerosol.

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P284

Deutsch:

Atemschutz tragen.

English:

Wear respiratory protection.

Français:

Porter un équipement de protection respiratoire.

Italiano:

Utilizzare un apparecchio respiratorio.

Español:

Llevar equipo de protección respiratoria.

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P304 +P340

Deutsch:

BEI EINATMEN: An die frische Luft bringen und in einer Position ruhigstellen, die das Atmen erleichtert.

English:

IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.

Français:

EN CAS D’INHALATION: transporter la victime à l’extérieur et la maintenir au repos dans une position où elle peut confortablement respirer.

Italiano:

IN CASO DI INALAZIONE: trasportare l'infortunato all’aria aperta e mantenerlo a riposo in posizione che favorisca la respirazione.

Español:

EN CASO DE INHALACIÓN: Transportar a la víctima al exterior y mantenerla en reposo en una posición confortable para respirar.

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P342 +P311

Deutsch:

Bei Symptomen der Atemwege: GIFTINFORMATIONSZENTRUM oder Arzt anrufen.

English:

If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician.

Français:

En cas de symptômes respiratoires: appeler un CENTRE ANTIPOISON ou un médecin.

Italiano:

In caso di sintomi respiratori: contattare un CENTRO ANTIVELENI o un medico.

Español:

En caso de síntomas respiratorios: Llamar a un CENTRO DE INFORMACIÓN TOXICOLÓGICA o a un médico.