title: Extraction of prostaglandin from AgNO3-impregnated silica gel layers for biological assay.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002855:Chromatography, Thin Layer; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D008722:Methods; D009566:Nitrates; D011453:Prostaglandins / Q000302:isolation & purification*; D051381:Rats; D012822:Silicon Dioxide / Q000032:analysis*; D012835:Silver Nitrate; D013270:Stomach / Q000187:drug effects
chemical_list: D009566:Nitrates; D011453:Prostaglandins; D012822:Silicon Dioxide; D012835:Silver Nitrate