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Showing 1 to 20 of 22 for “"Quartz Crystal Microbalance with Dissipation Monitoring"”.
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Quartz Crystal Microbalance with Dissipation Monitoring Applications in Polymer Thin Films Analysis
… molecules, specifically natural polymer films with other components in plant and fungal cell walls, crosslinked thermoplastic films with solvent molecules, as well as commodity thermoplastic films with air and moisture during aging by a powerful surface analysis instrument, a quartz crystal …
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Observing the Sedimentation of TiO2 Nanoparticles in Aqueous Solution Using a Quartz Crystal Microbalance with Dissipation Monitoring
… of a novel and less expensive approach to the quartz crystal microbalance with dissipation monitoring (QCM-D) is explored. Using a vector network analyzer (VNA) to measure harmonic ranges from the primary to the 89th harmonic of a 5 MHz crystal. The fast read and processing ability of the VNA …
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Studies of Biomacromolecule Adsorption and Activity at Solid Surfaces by Surface Plasmon Resonance and Quartz Crystal Microbalance with Dissipation Monitoring
… surface plasmon resonance spectroscopy (SPR) and quartz crystal microbalance with dissipation monitoring (QCM-D). Carboxymethyl cellulose (CMC) adsorption onto cellulose surfaces from aqueous solutions was enhanced by electrolytes, especially by divalent cations. A combination of SPR and QCM-D …
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Towards an understanding of peptide-inorganic interactions
… interfaces occur. The inorganic materials; crystalline zinc oxide (ZnO) and platinum (Pt) together with specific binding peptides identified using the phage display technique and alanine scanning for mutant sequences selected on the basis of peptide stability calculated in silico were …
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Adsorption of Blood Proteins onto Polysaccharide Surfaces
… this study, surface plasmon resonance (SPR) and quartz crystal microbalance with dissipation monitoring (QCM-D) were combined to investigate the adsorption behavior of two platelet adhesion-related blood proteins, human serum albumin (HSA) and human serum fibrinogen (HSF), on two polysaccharide …
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Adsorption of Xyloglucan onto Cellulose and Cellulase onto Self-assembled Monolayers
… of xyloglucan (XG) onto thin desulfated nanocrystalline cellulose (DNC) films was studied by surface plasmon resonance spectroscopy (SPR), quartz crystal microbalance with dissipation monitoring (QCM-D), and atomic force microscopy (AFM) measurements. These studies were compared to adsorption …
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Adsorption/Desorption Process of Stimuli-Responsive Polymers on Simulated Natural Surfaces Using QCM-D & AFM Analysis
… designing new formulations. This study describes quartz crystal microbalance and atomic force microscopy analysis of a poly(methyl vinyl ether-alt-maleic anhydride) copolymer (Gantrez® S97 BF) adsorption on dental mimicking surfaces to determine properties including thickness, morphology, …
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Investigations into Message Passing Neural Networks and Polymer Fouling
… of high-fidelity molecular property prediction with Message Passing Neural Networks (MPNNs) and nanoscale polymer fouling experimentation with Quartz Crystal Microbalances (QCMs). Message Passing Neural Networks are promising deep learning architectures for chemical property prediction. The …
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Functional and responsive surfaces via initiated chemical vapor deposition (iCVD)
… be a useful technique for surface modification with NIPAAm-based polymers due to its ability to provide complete functional retention and applicability to "real world" substrates, which many times have varying compositions and / or micro- or nano-structured surfaces. The novel copolymer thin …
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Adsorption of Biomacromolecules onto Polysaccharide Surfaces
… and their derivatives were studied with a quartz crystal microbalance with dissipation monitoring (QCM-D), surface plasmon resonance (SPR) and atomic force microscopy (AFM). Xyloglucan adsorption isotherms were obtained to probe how cellulose-hemicellulose interactions were affected …
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Interactions of Chitin and Lignin Thin Films with Other Molecules
… the interactions of chitin and lignin thin films with several other molecules via a quartz crystal microbalance with dissipation monitoring (QCM-D) and atomic force microscopy (AFM). Interactions between chitin and family 18 chitinases are vital for understanding bacterial invasion of fungi and …
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Charge Storage Mechanism of Redox Polymers for Energy Storage
… of three n-type polymers by electrochemical quartz crystal microbalance with dissipation monitoring (EQCM-D). The solvation structures of charge carriers and swelling behaviors of polymers were investigated, and their implications for battery performance were discussed. The charge storage …
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Physical and Molecular Processes Controlling the Formation, Structure and Breakdown of the Salivary Pellicle
… the structural changes that occur upon contact with dentifrice components. Methods: in vitro adsorbed pellicles were formed from the saliva (stimulated parotid saliva and stimulated whole mouth saliva) of 14 healthy volunteers, and studied using techniques including a quartz crystal microbalance …
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Microfabricated Acoustic Sensors for the Detection of Biomolecules
… driven acoustic sensors can provide fast results with high sensitivity, can be miniaturized and mass produced, and have the potential to be fully integrated with sample handling and electronics in handheld devices. Furthermore, they can be designed as multiplexed arrays to detect multiple …
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Nanoscale Confinement Effects on Poly(ε-Caprolactone) Crystallization at the Air/Water Interface & Surfactant Interactions with Phospholipid Bilayers
… effects on poly(ε-caprolactone) (PCL) crystallization were probed through crystallization studies of PCL-b-poly(tert-butyl acrylate) (PCL-b-PtBA) copolymers, PCL with bulky tri-tert-butyl ester endgroups (PCL triesters), PCL with triacid end groups (PCL triacids), and magnetic …
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Characterization of Cellulose and Chitin Thin Films and Their Interactions with Bio-based Polymers
… for studying interactions of these materials with other natural and synthetic molecules via techniques such as quartz crystal microbalance with dissipation monitoring (QCM-D) and surface plasmon resonance (SPR). Because of the difficulty of extracting native cellulose, regenerated cellulose …
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Bio-inspired Cellulose Nanocomposites
… wood polymers namely cellulose and lignin, with a lamellar architecture. In the first phase of the study, adsorption of alkali lignin onto cationic surfaces was investigated using a quartz crystal microbalance with dissipation monitoring (QCM-D). Complete coverage of the cationic surface …
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Adsorption Studies of Polysaccharides and Phospholipids Onto Cellulose
… by surface plasmon resonance spectroscopy (SPR), quartz crystal microbalance with dissipation monitoring (QCM-D) and in situ atomic force microscopy (AFM) measurements. This dissertation shows the porous character of nanocrystalline cellulose films as the key feature for enhanced adsorption of …
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Studies of Sustainable Polymers: Novel Lignins to Reprocessable Polymers
… and degradation were monitored by a quartz crystal microbalance with dissipation (QCM-D). Atomic force microscopy (AFM) was applied to investigate the topologies of the copolymer and degraded films. Horseradish peroxidase (HRP) was used as the enzyme for the dehydrogenative …
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Renewable Natural Polymer Thin Films and Their Interactions with Biomacromolecules
… via surface analysis techniques, such as a quartz crystal microbalance with dissipation monitoring (QCM-D), surface plasmon resonance (SPR) and atomic force microscopy (AFM). Chitinase activity on regenerated chitin (RChitin) films was studied by QCM-D and AFM. The optimal temperature and pH …
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