chem bio by Hosni. @chembio. 7.46K subscribers•245 videos. Hello there! I'm Hosni, a passionate educator with over 20 years of experience in teaching and ...
Welcome to ChemBio! On this channel, you can find many videos about specific topics in Chemistry, Biology and Biochemistry. Some videos are specific to the ...
Chembio Diagnostic Systems. @chembiodiagnosticsystems955. 636 subscribers•17 videos. More about this channel ...more ...more twitter.com/ChembioDxand 2 more ...