V FACTOR (HAEMOPHILUS), disc [BD-231727]
Valid Article
GROWTH FACTOR DISCS for Haemophilus differentiation [BD]
CAUTION
This disc is worded and codified by unit to make the order easier, but it is always packaged in kit of 50 discs.
Definition
X, V and XV Factor discs are used for presumptively differentiating Haemophilus spp. based on their requirements for X or V factors or both.
Specifications
Manufacturer: Becton Dickinson. Ref: 231727, 231729 and 231731
Components
- V contains NAD (C21H27N7O14P2)
- X contains Hemin
- VX contains NAD and Hemin
Technical specifications
- Paper disc impregnated with growth factor V, X or VX.
- Discs V – Round, white 1/4″ paper discs with “V” printed on both sides.
- Discs X – Round, brown 1/4″ paper discs with “X” printed on both sides.
- Discs VX – Round, light tan 1/4″ paper discs with “VX” printed on both sides.
Packaging & Labelling
Cartridge of 50 discs.
To be Ordered Separately
- Forceps
- CO2 incubator
- Swabs
- Inoculating loop
- Bunsen burner
- QC strains
- Tryptic soy agar or heart infusion agar
- Tryptic soy broth
Instructions for use
Please consult the “Bacteriology laboratory procedures and resources” available online via the Laboratory working Group sharepoint page: Laboratory Procedures and Resources
For offline access, contact your laboratory advisor
Precautions for Use
All biological samples must be considered as potentially infectious and handled with the usual precautions (compulsory wearing of gloves, hand washing, etc.).
Storage
- Store 2°C and 8°C.
- Do not use after expiry date.
- Shelf life: 18 months.
- Guaranteed minimum remaining shelf life at delivery: 1/3 of the total shelf life.
Waste management
After use, sterilize the cultures and all contaminated material. Contact your watsan referent for advice on proper disposal.
MSF requirements
Reserved to bacteriology programmes.