In contrast to proteins, which can have either a net positive or net negative charge, nucleic acids have a consistent negative charge imparted by their phosphate backbone, and migrate toward the anode. Proteins and nucleic acids are electrophoresed within a matrix or gel.
USAePay is a payment gateway that offers a POS solution and a virtual terminal. The company was founded in 1998 by GorCorp, a family-owned business. GorCorp still operates USAePay today. The payment gateway began by specializing in the e-commerce industry.
What is the USP?  The United States Pharmacopeia and The National Formulary (USP-NF) is a compilation of drug monographs, biologics, medical devices, dietary supplements, reference tests and standards, and standards for compounding of sterile and nonsterile drug preparations.