TY - RPRT TI - A microscale-molecular weight sensor: probing molecular diffusion between adjacent laminar flows by refractive index gradient detection. AU - Colin D Costin AU - Robert E Synovec PY - 2002 DO - 10.1021/ac020143z UR - https://pubmed.ncbi.nlm.nih.gov/12236369/ ID - 12236369 ER -