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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Bio-Nano Interfaces and Engineering Applications
Presentation Title Attachment Surface Energy as an Indicator for Adhesion of Nitrifying Bacteria
Author(s) Ting-Ting Chang, Po-Yu Chen
On-Site Speaker (Planned) Ting-Ting Chang
Abstract Scope In recent years, submerged biofilm systems are progressively used in wastewater treatment and the attachment capability of bacteria on biocarriers is one of the crucial design factors. In this work, we used atomic force microscope (AFM) to study bacteria attachment on different types of biocarriers and for verifying systematically physicochemical properties. Ammonia-oxidizing bacteria (Nitrosomonas europaea) was selected and fixed on the probe of AFM for the attachment force measurements with varying surface energies, interfacial energies, and functional properties. The results showed that biocarrier possessed adhesion forces of 1.95 mJ/m2 and flexural modulus of ~300 MPa. In addition, the experiment showed a good correlation between attachment forces and attachment surface energies. This work demonstrated that AFM can be successfully applied as a platform to fast screen and determine the materials selection of biocarrier based on corresponding bacteria and provided potential strategies for improving treatment performance through optimized biocarrier material designs.
Proceedings Inclusion? Planned: Publication Outside of TMS

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Advances in Printing of Polymers at Small Length Scales
AMP-loaded Mesoporous Strontium Silicates with Improved Bioactivity and Antibacterial Capability
Application of Titanium Dioxide Nanotubes and Lattice Light-sheet Microscopy in Establishing Early-stage Cellular Response Mechanisms
Attachment Surface Energy as an Indicator for Adhesion of Nitrifying Bacteria
B-26: Fabrication of Nanogenerator and Its Potential Application in Implantable Biomedical Devices
Bioinspired Mineralization of Natural Polymers for Biomedical Applications
Biological Crystallization of Ultrahard Teeth and Translation to Multi-functional Materials
Biological Fate of Engineered Nanomaterials: Tracing Aggregation/degradation and Nanomaterial Dose In-vitro and In-vivo
Cancer Cell Mechanics: The Role of Actin
Chiral Inorganic Nanostructures
Enabling Manufacturing at the Bio-Nano Interface using Gyratory Forming
Enzymes Grafted on Electrodes for Biofuel Cells: Lessons from Multiscale Modeling Approaches
Functional Nanomaterials and Their Applications in the Therapy of Cancer and Infectious Diseases
Inkjet Printed Nano-patterned Aptamer-based Sensors for Improved Optical Detection of Foodborne Pathogens
Molecular Mechanisms in Metal Oxide Nanoparticle Interactions with Biomolecules
Molecular Recognition and Assembly of Biomaterials: Computational and Data Science Tools for Property Predictions
Monitoring Interaction of Nanomaterials with Biomolecules and Their Dosimetry at Single Cell Level
Nano-engineered DNA based Hydrogel as a New Injectable Drug Delivery Platform
Peptides as Modulators of Materials Properties: Case Study MOFS and Composites based on ZnO
The Internal Nano-interfaces of Spider Silk: Finding the Molecular-scale Origins of its Strength

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