Panhorst, Michael: On-chip manipulation and positioning of biomolecules with magnetic beads. 2005
Inhalt
- Preface
- Publications and Conferences
- Basics
- Biomolecules
- Functionalised magnetic markers
- Magnetic fields generated by conducting lines
- Computer-simulations of the magnetic fields
- Magnetic Tunnel Junctions
- Preparation and analytical tools
- Sputtering thin films
- Ion beam milling
- Optical lithography
- E-beam lithography
- Auger electron spectroscopy
- Alternating Gradient Magnetometer
- Optical microscope with a CCD-Camera system
- On-chip manipulation of magnetic markers with conducting lines
- Basic sample preparation
- Problems during the measurements
- Examples for on-chip manipulation with magnetic markers
- Current through a straight line
- Trapping markers in a ring
- Manipulation using electric fields
- Transportation and positioning of magnetic markers
- Discussion
- Bond-Force measurements
- Sulfur-gold bond
- Sample preparation for ligand-receptor bonds
- Surface preparation
- Selection of suitable magnetic markers
- Bond enthalpy of all involved bonds
- Results
- Discussion
- Exact positioning of single magnetic particles
- Development of the lithographic design
- Specialities regarding the measurement conditions
- Results and discussion
- A single magnetic particle on a TMR sensor
- Summary and Outlook
- List of Figures
- Bibliography
- Acknowledgements