ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,539, issued on Jan. 13.
"Method of forming a micro-capillary needle, micropipette or microneedle" was invented by Kinneret Rand (Rockville, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide an anti-adhesive/anti-clogging and/or color marked/tinted micro-capillary tube (microtube), microneedle, or micropipette. Typically, the color/tint will be selected such that the tip of the microneedle or micropipette is in contrast (e.g., visually) to the biological material. The tint/color may be selected to contrast the stained biological material. In some aspects, the color mark comprises nanoparticles that ar...