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91A

Leukocyte α-Naphthyl Acetate (Non-Specific Esterase) Kit

Kit formulated with all liquid reagents.

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UNSPSC Code:
41116123
NACRES:
NA.47
MDL number:
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Quality Segment

form

liquid

shelf life

Expiry date on the label.

IVD

for in vitro diagnostic use

technique(s)

microbe id | staining: suitable

application(s)

cytology
hematology
histology

shipped in

wet ice

storage temp.

2-8°C

Application

Esterases are ubiquitous in nature and encompass a series of different enzymes acting upon select substrates. According to the methodology, α-naphthyl acetate is enzymatically hydrolyzed, liberating a free naphthol compound. This then couples with a diazonium compound, forming black colored deposits at sites of non-specific esterase activity. This enzyme is detected primarily in monocytes, macrophages and histocytes, and is normally absent in granulocytes. Lymphocytes may occasionally exhibit enzyme activity. A sodium fluoride inhibition procedure may be run to demonstrate monocyte inhibition. The procedure is run at 37 °C and may be utilized with blood, bone marrow films, tissue-touch preparations, cytocentrifuge preparations and frozen sections. The enzyme does not survive paraffin processing.
Intended for the cytologic demonstration of a-naphthyl acetate esterase in blood, bone marrow films or tissue touch preparations.


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Palabra de advertencia

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Met. Corr. 1 - STOT SE 1

Órganos diana

Eyes,Central nervous system

Clase de almacenamiento

3 - Flammable liquids

Punto de inflamación (°F)

98.1 °F

Punto de inflamación (°C)

36.7 °C

WGK

WGK 2



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Questions

  1. How many tests can be run with the 91A kit (α-Naphthyl Acetate (Non-Specific Esterase)?

    1 answer
    1. The 91A kit is formulated for 10 uses. The Instructions For Use direct the user to prepare 48 mL of staining solution, which is enough to fill a standard Coplin jar. It is possible to stain just 1 slide per run, or up to 10 slides per run for a standard Coplin jar that holds 5 slides, if the slides are placed back to back. The number of slides that can be stained should fall between 10 slides per kit to 100 slides per kit. If the Coplin jar holds more than 5 slides, the number of slides stained per kit would be two times the number of slides the Coplin jar can hold.

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