The electrode tip was filled with 0.2% Lucifer Yellow (lithium salt, Sigma-Aldrich) or 0.2% neurobiotin (Vector Lab., Inc., Burlingame, CA, USA) dissolved in the same solution used for the histological analysis of the recorded cells
That doesnt mean theyre not useful or appropriate it just means theyre held to a different regulatory standard and should only be prescribed when your provider determines theres a clear medical reason to do so
Frenzel triple board-certified, dual fellowship-trained, with over 15 years of experience and thousands of procedures bring a level of expertise thats simply in a different world from what a wellness supplement promises
You have no idea what's in that stuff or how it was handled!" "I tried sourcing medication from a sketchy site because I couldn't find it anywhere else, but now I'm worried about injecting something that could be contaminated
de Rey-Pailhade from yeast, but its tripeptide structure wasn't fully characterized until Frederick Gowland Hopkins' work in 1935
