Negative Staining Negative staining is a rapid procedure used for viewing small particles, such as viruses, in fluids. For specimen processing, large particles (e.g., bacteria or cell debris) should be centrifuged out at a low speed (e.g., at â¼2,000 Ã g) for 3 to 5 min.
The official IGFA world record for great white sharks was set on April 21, 1959. A man named Alf Dean caught a 2,664 pound great white shark off Ceduna, Australia. And hereâs the best part: this catch beat the old record by a mind-boggling 1,596 pounds.
In fact, Kurosakiâs 16-pound, 12-ounce fish is the largest fly caught largemouth ever recorded by the IGFA. Kurosaki coerced the fish to bite a custom tied minnow fly, and skillfully played the fish for five minutes before he landed what would become the menâs 8-pound tippet class record.