Gram Stain, Gram Stain Kit, Gram Staining, Gram Stain Procedure, Gram Staining Procedure, Gram Stain Protocol,  Gram Staining Protocol, Gram Stain Method, Gram Staining Method, Gram Stain technique, Gram Staining tehcnique, Bacteria Stain, McDonald's Gram Stain Kit, Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain, Gram Positive Control Slides, Gram Negative Control Slides
ram Stain, Gram Stain Kit, and McDonald's Gram Stain including but not limited to: Gram Stain, Gram Stain Kit, Gram Staining, Gram Stain Procedure, Gram Staining Procedure, Gram Stain Protocol,  Gram Staining Protocol, Gram Stain Method, Gram Staining Method, Gram Stain technique, Gram Staining tehcnique, Bacteria Stain, McDonald's Gram Stain Kit, Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain, Gram Positive Control Slides, Gram Negative Control Slides  
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Phone: 800.860.4073
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Gram Stain, Gram Stain Kit, Gram Staining, Gram Stain Procedure, Gram Staining Procedure, Gram Stain Protocol,  Gram Staining Protocol, Gram Stain Method, Gram Staining Method, Gram Stain technique, Gram Staining tehcnique, Bacteria Stain, McDonald's Gram Stain Kit, Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain, Gram Positive Control Slides, Gram Negative Control Slides

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Gram Staining at its finest!

High quality and unsurpassed reliability in Gram Staining from a name you trust

Gram Stain, Gram Stain Kit, and McDonald's Gram Stain. Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain. For over 100 years, the cornerstone of differential staining for positive and negative bacteria has been the Gram Stain. The Gram Stain procedure allows bacteria to be placed into two large groups, Gram Positive and Gram Negative, based on both chemical and physical properties of their cell walls. Gram-Positive Bacteria have a thick, meshy cell wall made up of peptidoglycan which stains purple. Gram-Negative Bacteria have a thinner layer, which stains pink, and an outer membrane, which contains lipds, while having periplasmic space between the membrane and cell wall.

American MasterTech has taken what Hans Christian Gram, a Danish scientist, created in 1882 and made it much safer to use. The McDonald's Gram Stain Kit stains bacteria in less than 5 minutes and is comparable to the Brown & Brenn and Modified Gram Methods. It differs from these methods since it uses Carbol Fuchsin instead of Saffranin, which intensifies the stains. The McDonald's Gram Stain Kit is also safer to use than the Brown & Hopps Method because it does not require the hazardous Gallegos Differentiating solution and picric acid/acetone. Both Gentian Violet and Carbol Fuchsin serve as the primary stains in the McDonald's Gram Stain Kit, producing blue gram-positive bacteria and red gram-negative bacteria against a yellow background, counterstained by Tartrazine.

American MasterTech offers over 50 Histology Special Stain Kits. Click here to see our entire line of Histology Stains Kits.


Looking for Gram Stain? You have come to the right place!
McDonald's Gram Stain Kit Procedure
(Click on the link above to view the procedure)


McDonald's Gram Stain Kit
McDonald's Gram Stain Kit
The McDonald's Gram Stain Kit is available in these sizes(s):
100ml Kit or Pint Kit

Click on the link above to view the current pricing on the McDonald's Gram Stain Kit.


Gram Positive/Gram Negative Control Slides
Gram Positive/Gram Negative Control Slides
Gram Positive/Gram Negative Control Slide is available in these sizes(s):
5 Pack, 25 Pack, or QC Pack (QC contains one stained slide and 24 unstained slides)

Click on the link above to view the current pricing on Gram Positive/Gram Negative Control Slide.




AMTS, Inc. is proud to sell: Gram Stain, Gram Stain Kit, Gram Staining, Gram Stain Procedure, Gram Staining Procedure, Gram Stain Protocol,  Gram Staining Protocol, Gram Stain Method, Gram Staining Method, Gram Stain technique, Gram Staining tehcnique, Bacteria Stain, McDonald's Gram Stain Kit, Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain, Gram Positive Control Slides, Gram Negative Control Slides. AMTS, Inc. is proud to sell: Gram Stain, Gram Stain Kit, Gram Staining, Gram Stain Procedure, Gram Staining Procedure, Gram Stain Protocol,  Gram Staining Protocol, Gram Stain Method, Gram Staining Method, Gram Stain technique, Gram Staining tehcnique, Bacteria Stain, McDonald's Gram Stain Kit, Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain, Gram Positive Control Slides, Gram Negative Control Slides. 800.860.4073  My Account
AMTS, Inc. is proud to sell: Gram Stain, Gram Stain Kit, Gram Staining, Gram Stain Procedure, Gram Staining Procedure, Gram Stain Protocol,  Gram Staining Protocol, Gram Stain Method, Gram Staining Method, Gram Stain technique, Gram Staining tehcnique, Bacteria Stain, McDonald's Gram Stain Kit, Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain, Gram Positive Control Slides, Gram Negative Control Slides. AMTS, Inc. is proud to sell: Gram Stain, Gram Stain Kit, Gram Staining, Gram Stain Procedure, Gram Staining Procedure, Gram Stain Protocol,  Gram Staining Protocol, Gram Stain Method, Gram Staining Method, Gram Stain technique, Gram Staining tehcnique, Bacteria Stain, McDonald's Gram Stain Kit, Gram Positive/Negative, Gram Positive Stain, Gram Negative Stain, Gram Positive Control Slides, Gram Negative Control Slides.  Shipping Rates & Tracking
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