No, actual biological cells, blood and DNA have not been recovered, that is a lie perpetuated by unscrupulous creationist authors selling books
@ PeacefulPete - Might as well add 60 Minutes to your list of "liars".
https://www.youtube.com/watch?v=0-K7_H27Wq4&t=164s&ab_channel=BobEnyart
This stuff is everywhere regardless of the state of preservation. In one study at the British Museum of Natural History, 8 dinosaur bones were randomly selected from thousands available. 6 of the 8 dinosaur samples produced original biological material.
Tons more information and links to dinosaur discoveries here.
Scientific American ran this article a few years ago: