Gram Parsons | Gram-negative bacteria | gram | The Human Stain | The Adventure of the Second Stain | Gram-positive bacteria | Horse gram | Sacred Hearts & Fallen Angels: The Gram Parsons Anthology | Port-wine stain | naevus flammeus aka "port-wine stain" variety | '''Masson's trichrome''' stain of rat airway. Connective tissue | Masson's trichrome stain | Hoechst stain | Halfbreed Billy Gram | Grocott's methenamine silver stain | Gram staining | Gram Rabbit | gram-positive bacteria | gram (chickpeas) | Centimetre–gram–second system of units | Arvid Gram Paulsen |
Alcians blue carries Phthalocyanine one of the most highly colored chromophores yet known with a molar extinction of 120,000 i.e. AB is detectable at half the molar concentration of popular dyes like toluidine blue, tryarylmethanes (e.g. pararosaniline and the analogous Schiff bases used in PAS stain, Crystal violet in Gram stain) etc.
Diagnosis is by aspiration (giving a turbid, non-viscous fluid), Gram stain and culture of fluid from the joint, as well as tell-tale signs in laboratory testing (such as a highly elevated neutrophils (approx. 90%), ESR or CRP).