The best replacement for electrophoresis is paper chromatography.

The best alternatives to electrophoresis are rated as following:
★★★★★  paper chromatography
★★  chromatography
★★  western blot
★  conventional electrophoresis
★  capillary electrophoresis
★  agarose gel electrophoresis
★  hplc
  gel electrophoresis
  sds page
  plasmapheresis
  gel slab
  iontophoresis
  sds gel
  ion chromatography
  native gel electrophoresis

Your alternative for electrophoresis is not listed? Suggest!
Speaking about electrophoresis, one probably shouldn't forget about restriction enzymes.

Other search terms related to electrophoresis and their ratings are:
★★★★★ restriction enzymes
You have in mind a companion for electrophoresis and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of electrophoresis in all years. Click on graph for more.
electrophoresis
paper chromatography
chromatography