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Surface Characterization

The Biointerfaces Institute houses a state-of-the-art surface characterization facility featuring an Imaging and Scanning X-ray Photoelectron Spectrometer Microprobe (PHI Quantera II) which allows for large and small area spectroscopy as well as high-throughput XPS on microarrays. Additionally, the facility houses a Vertex 70 FTIR Spectrometer with a Bruker Hyperion 3000 Infrared Microscope capable of performing point imaging as well as small area imaging, an Imaging Ellipsometer (Accurion), an Imaging Surface Plasmon Resonance instrument (Horiba) which allows for high-throughput data collection and analysis, a high speed Contact Angle instrument, and a Quartz Crystal Microbalance with Dissipation (Biolin Scientific) for studying molecular interactions and surface phenomena.

We also maintain a range of Zeta Potential and Particle Sizing Instruments: a ZetaProbe (Malvern) that uses NIBS technology with Dynamic Light Scattering, a Flow Path Imaging Analyzer (Malvern) for particle size and shape analysis, and a Focused Beam Reflective Measurer (Mettler Toledo) for cord length and kinetics of flocculation.

Contact

Zeynel Bayinder

Dr. Zeynel Bayindir

Research Lab Technician

Resource Listing

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Contact Angle Instrument

The Optical Contact Angle (OCA 35) is a contact angle measuring device that allows for automatic measurements of wetting behaviour of solids as well as a series of system analysis and tests.

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Dynamic Light Scattering Apparatus

The Zetasizer Nano ZS is a high performance two angle particle and molecular size analyzer for the enhanced detection of aggregates and measurement of small or dilute samples as well as samples at very low or high concentration using dynamic light scattering (DLS) with Non-Invasive Backscattering (NIBS) optics.

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Focused Beam Reflectance Measurement

Focused Beam Reflectance Measurement (FBRM) provides the unique ability to measure particles and droplets in concentrated suspensions and emulsions, at full process concentration, without the need for sample extraction or preparation.

Closeup of FTIR

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Fourier Transform Infrared Microscope

The IR beam is used to vibrationally excite molecules within the sample. The molecules are then identified based on their characteristic vibrations. The combination with microscopy allows for chemical mapping as well as chemical identification of particles and small contaminants.

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Particle Visualization Microscope

The Particle Visualization Microscope (PVM) is a probe-based vision tool that provides immediate, critical insight into crystal, particle and droplet systems. It instantly detects process changes and allows for visualization of changes to particles, droplets and cells in real-time.

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Quartz Crystal Microbalance with Dissipation

The Quartz Crystal Microbalance with Dissipation (QCM-D) monitoring monitors the frequency and energy dissipation response of the freely oscillating sensor. It is commonly used in surface science to characterize the formation of thin films.

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Surface Plasmon Resonance Imaging

Surface Plasmon Resonance (SPR) is an established tool that offers a new generation of label-free biomolecular analysis. It can provide information on kinetic processes (association and dissociation), binding affinity, analyte concentration and real-time molecule detection.

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Tensile Tester

The Instron 5943 is a single column testing system built for durability and precision. The superior stiffness and alignment of this system ensures precise alignment when testing everything from biomaterials to wire or plastic film.

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X-Ray Photoelectron Spectrometer (XPS)

Quantum II from PHI Electronics