You'll love the landmark Salty's on the Columbia with its spectacular riverfront views, award-winning Northwest Seafood and Steak Cuisine and Five-Star Diamond friendly service. T he best seafood and steak restaurant in Portland isn't downtown, it's on the Columbia River.Salty's Seafood Grill is truly in a class by itself. We bend over backwards to please you with our award-winning fresh Northwest seafood cuisine and attentive friendly service.oted in the top ten for Portland Food and Drink 2015 reader polls winning in two categories, Best Portland Seafood Restaurant and Best Outdoor Dining. T he best seafood and steak restaurant in Portland isn't downtown, it's on the Columbia River.
Gram's iodine serves as a mordant. A mordant is a substance that combines with stain or dye to enhance the staining ability. The iodine forms a tight complex with the crystal violet, forming compounds with a larger size.
1 Coomassie blue-stains proteins a brilliant blue, and is often used in gel electrophoresis. 2  Crystal violet-stains cell walls purple when combined with a mordant. 3  This stain is used in Gram staining. 4  DAPI-a fluorescent nuclear stain that is excited by ultraviolet light, showing blue fluorescence when bound to DNA. Hematoxylin-a nuclear stain that, with a mordant, stains nuclei blue-violet or brown. 2  Hoechst stains-two types of fluorescent stains, 33258 and 33342, these are used to stain DNA in living cells. 3  Iodine-used as a starch indicator. 4  When in solution, starch and iodine turn a dark blue color.