What is Gram Stain Kit (Twort Counterstain)?: This kit is used to demonstrate Gram Positive and Gram Negative Micro-organisms in tissue sections and/or smears. It is the most commonly used Gram stain for histology and is also available with alternative counterstains.

Certified for Diagnostic Use (IVD)

UKAS Compliant: Ensuring your laboratory meets rigorous industry standards.

Pre-Validated and Verified: Consistent performance, helping you save valuable time and resources.

Reliable and Reproducible Results: Backed by proven and documented protocols.

Full Traceability: Manufactured with a robust audit trail, ensuring complete transparency and compliance.

UKCA Marked: Guaranteed regulatory compliance in the UK market.

Full Technical Support: An expert in-house technical team to assist with any queries.

General Information:

• Procedure Time: 20 minutes (approximate)
• Shelf Life: 3 Years (from date of manufacture)
• Storage Temperature: 15-25°C

Kit Contents:

• May Grünwald Stain
• Giemsa Stain
• Sorensens Buffer (200x conc) pH6.8

Results:

• Gram Positive Organisms: Blue/Black
• Gram Negative Organisms: Red/Pink
• Red Blood Cells and most cytoplasmic structures: Green
• Nuclei: Red/Pink