Complex sentence: In that work the amphiphilic beads were synthesized by protecting one hemisphere with a varnish and chemically treating the other with a silane reagent, what resulted in a particle with equal hydrophilic and hydrophobic areas Casagrande.
Split into simpler sentences: In that work the amphiphilic beads were synthesized by protecting one hemisphere with varnish and chemically treating the other hemisphere with a silane reagent. This method resulted in a particle with equal hydrophilic and hydrophobic areas Casagrande.