Development of Dopamine-Coated Quartz Tuning Fork: Chemistry Practicum with Fourien Inc.

Abstract

Analytical instruments are used in a variety of fields such as pharmaceutical, and cosmetic industries to maintain and facilitate good manufacturing practices. A common issue with analytics is that some instruments require large amounts of expensive or not easily accessible compounds, such as blood samples or cosmetics that contain high grade ingredients. As a part of my Chemistry Internship Practicum (CHEM 497), from Jan 2023-April 2023, I interned at Fourien Inc. Their nanoscale instruments alleviate this issue and reduce waste. The Quester is an instrument Fourien developed, that is useful for measuring density, concentration, and other properties of liquids through vibrations and computer program that plots resonance frequencies. It allows for testing to be conducted using a droplet on a small sensor or Quartz Tuning Fork (QTF). In the poster presentation, I will showcase my internship work which involved; i) optimizing multiple QTFs by coating them in dopamine alongside my co-intern; ii) conducting research in dip-coating methods, and efficient yet cost-effective ways to prevent oxidation. Through rigorous rounds of the scientific method, we obtained an experimental procedure for coating dopamine on a quartz tuning fork. Our linear results are in the process of being replicated to provide insight for the scientific community. Throughout the internship I have applied my degree knowledge and practical lab skills to problem solve, communicate, experiment, and summarize data in a professional and self-motivated manner. Ultimately contributing to the field of research and development. These technical and professional skills will be illustrated in the poster presentation.

Faculty Mentor: Dr. Samuel Mugo