University of Iowa investigators may place an order through the DNA Facility for a custom synthesized primer from either Sigma-Genosys Biotechnologies, Inc. or Integrated DNA Technologies, Inc. Press the "Order Oligonucleotides" button below to begin the ordering process. You will need to know your 4-digit Account ID to place an order. When you complete the ordering process, your order will be electronically transmitted to the DNA Facility and entered into our database. The daily orders are compiled and forwarded to each company via electronic mail.