Dirk Schoenfuss

Title: The Innovative Contributions of Dirk Schoenfuss

Introduction

Dirk Schoenfuss is a notable inventor based in Tamins, Switzerland. He has made significant contributions to the field of bioreactor technology, holding a total of 8 patents. His work focuses on developing devices that enhance the monitoring and efficiency of biological processes.

Latest Patents

One of Dirk Schoenfuss's latest patents is a device for monitoring a biological process in a liquid medium. This innovative device includes a wall portion, a silanization layer, and a sensor arrangement. It is designed to attach to a container of a bioreactor and can be utilized with disposable bioreactors. The wall portion retains the liquid medium during the operation of the bioreactor, while a through-hole is disposed in the wall portion. The silanization layer covers the surface encircling the through-hole and the wall portion between the liquid medium and the wall portion. The sensor arrangement consists of a glass layer, a substrate, and an electrode. The glass layer is bonded by an adhesive to the silanization layer, covering the through-hole. The electrode measures electrical conductivity through the liquid medium, and an optical sensor detects electromagnetic radiation passing from the liquid medium through the glass layer.

Another significant patent is a combination electrode having an extended reference chamber. This pH combination electrode features inner and outer tubes, working and reference electrodes, and a hydrogel diaphragm between the tubes. A seal is positioned inside the inner tube, creating an extended reference chamber between the seal and the second inner tube end. The inner tube contains a first conductive fluid, while the extended reference chamber holds a second conductive fluid. A through-hole in the inner tube allows the second conductive fluid to flow between the reference chamber and the extended reference chamber. The working electrode extends into the inner tube, through the seal, and into the first conductive fluid, while the reference electrode contacts the second conductive fluid.

Career Highlights

Dirk Schoenfuss is currently employed at Hamilton Bonaduz AG, where he continues to innovate in the field of bioreactor technology. His work has been instrumental in advancing the capabilities of bioprocessing equipment.

Collaborations

Dirk has collaborated with several talented individuals, including Claudius-Michael Ortega Schulte and Andreas Loebbert. These collaborations have contributed to the development of cutting-edge technologies in the