Modular microfluidic systems includes a plurality of microfluidic modules,
each capable of performing fluidic operations including, but not limited to, filtering,
splitting, regulating pressure, mixing, metering, reacting, diverting, heating,
cooling, and condensing are provided. The microfluidic modules are polymeric, stencil-based
structures adapted to be coupled in sequence for performing biological or chemical
synthesis, including, but not limited to, chemical and biological syntheses of
organic, polymer, inorganic, oligonucleotide, peptide, protein, bacteria, and enzymatic products.