TY - RPRT TI - Diffusion coefficient measurement in a microfluidic analyzer using dual-beam microscale-refractive index gradient detection. Application to on-chip molecular size determination. AU - Colin D Costin AU - Roy K Olund AU - Bethany A Staggemeier AU - Ana Kristine Torgerson AU - Robert E Synovec PY - 2003 DO - 10.1016/s0021-9673(03)01101-4 UR - https://pubmed.ncbi.nlm.nih.gov/14604110/ ID - 14604110 ER -