Please capitalize where necessary: we are now rapidly approaching a stage in the development of production at which the existence of these classes not only will have ceased to be a necessity, but will become a positive hindrance to production.
A: We are now rapidly approaching a stage in the development of production at which the existence of these classes not only will have ceased to be a necessity, but will become a positive hindrance to production.

Please capitalize where necessary: (they range from 3.4 to 9.6.)
A: (They range from 3.4 to 9.6.)

Please capitalize where necessary: 2. characterization of egfr-targeted nanoparticles
A: 2. Characterization of EGFR-Targeted Nanoparticles

Please capitalize where necessary: egmont is unifying its two successful businesses, egmont magazines and egmont kids media, to create a single, strong international publishing house with great development power.
A:
Egmont is unifying its two successful businesses, Egmont Magazines and Egmont Kids Media, to create a single, strong international publishing house with great development power.