An antibiotic product for delivering at least Ciprofoxacin or Metronidazole that is comprised of three dosage forms with different release profiles with each of Ciprofoxacin and Metronidazole being present in at least one of the dosage forms. After forming a boron-containing diamond-like carbon film, the thin film is annealed at a temperature of 500\xb0 C. The disclosed system and method provides improved compensation of gain, phase and DC offsets in the analog quadrature modulator over a broader bandwidth. The keypad includes twenty-six alphabetic keys, each alphabetic key representing a letter of the alphabet ranging from A to Z and ten numeric keys, each numeric key representing a single number ranging from zero to nine. The second SE verifies the user’s identity, and upon verification, generates data authenticating the transaction. A pH probe measures the pH of the scrubbing fluid and adds a base to the scrubbing fluid as needed to maintain the pH at or above a threshold such as pH 7, or pH 12.