• Surface plasmon resonance spectroscopy (SPR) was used to measure the adsorption capacities and kinetics of dansylated amino acids onto surface-confined Molecular Imprinted Polymer films (MIP-Fs) and the corresponding Non-Imprinted Polymer control films (NIP-Fs). (aiche.org)
  • Swelling signals of polymer films measured by a combination of micromechanical cantilever sensor and surface plasmon resonance spectroscopy. (mpg.de)
  • Here we present the first ever attempt to investigate the oxidation behavior of copper nanowires supported in a template matrix using a surface-plasmon-based optical spectroscopy method combined with high-resolution transmission electron microscopy (TEM). (rsc.org)
  • By measuring the optical properties with localized surface plasmon resonance spectroscopy, the oxidation behavior of the copper nanowires is studied as a function of storage time in both air and vacuum and thus uncovers the oxidation dynamics of copper. (rsc.org)
  • Variation of PNIPAMreaction time/solvent constituency during the polymerization, results in different swollen/collapsed polymer brush thicknesses, indicated by the plasmonic shifts in extinction spectroscopy and surface plasmon resonance experiments. (chalmers.se)
  • Investigations by surface plasmon resonance spectroscopy (SPR) in gaseous and liquid phase are presented in this work. (uni-tuebingen.de)
  • Moreover, experiments on fibrinogen adsorption of these surfaces via surface plasmon resonance spectroscopy are performed and correlated with the theoretical studies. (fu-berlin.de)
  • Surface Plasmon Resonance Spectroscopy and Molecularly Imprinted Polymer (MIP) Sensors, in Handbook of Spectroscopy: Second, Enlarged Edition (eds G. Gauglitz and D. S. Moore) 2014. (edu.ph)
  • Her Optoelectronics research includes themes of Spectroscopy and Surface plasmon resonance. (research.com)
  • In the past five years, significant progress has been made in preparation of various molecularly imprinted polymer (MIP)-based materials for applications in bioassays and biotransformation. (ox.ac.uk)
  • We demonstrate a novel synthetic route for molecularly imprinted polymer (MIP) thin films using a bottom-up approach utilizing protein-ligand specific interactions. (mipdatabase.com)
  • SPRM is used to characterize surfaces such as self-assembled monolayers, multilayer films, metal nanoparticles, oligonucleotide arrays, and binding and reduction reactions. (wikipedia.org)
  • Now researchers at the Ulsan National Institute of Science and Technology (UNIST) in Korea have used metal nanoparticles to achieve the highest yet reported power conversion efficiency for plasmonic polymer solar cells, reaching 8.92 percent. (ieee.org)
  • The research, which was published in the ACS journal Nanoletters (" Multipositional Silica-Coated Silver Nanoparticles for High-Performance Polymer Solar Cells ") focused on polymer solar cells enhanced by plasmonics. (ieee.org)
  • These nanoparticles provided the metal in the material that allowed for the exploitation of the surface plasmon resonance effect. (ieee.org)
  • The multi-positional and solutions-processable properties of our surface plasmon resonance (SPR) materials offer the possibility to use multiple plasmonic effects by introducing various metal nanoparticles into different spatial location for high-performance optoelectronic device via mass production techniques. (ieee.org)
  • Synthesized nanoparticles were then surface-modified with poly(vinyl alcohol) to control particle size, avoid opsonization/preferred cellular uptake and improve dispersion. (ac.ir)
  • Platforms include nanometal-polymer composite films integrated with inorganic nanoparticles dispersed into a polymer matrix. (losangelesweeklytimes.com)
  • Nanoparticles such as gold and silver are used for their strong localized surface plasmon resonance in visible spectrum, which originates from the excitation of plasmons by incident light. (losangelesweeklytimes.com)
  • The efficiencies of polymer solar cells and light- emitting diodes were increased by silver nanoparticles supported by C-dots [14]. (ijert.org)
  • Very interesting properties can be attributed to the high surface/volume ratio of the employed nanoparticles embedded or deposited on other materials. (123dok.org)
  • Polymers, ceramics and metals are modified by the presence of nanoparticles embedded in their matrices. (123dok.org)
  • concentration or less of metallic nanoparticles embedded in the polymer [2]. (123dok.org)
  • The stabilization, in general, takes place by the absorption of electric charges on the surface, leading to a repulsion of the nanoparticles as long as a critical distance is maintained [6]. (123dok.org)
  • The second task required of a biosensor is to evaluate the concentration of a target immobilized at its surface. (dubowski.ca)
  • Particularly, a lytic bacteriophage based surface plasmon resonance (SPR) biosensor was developed to detect food borne pathogen Staphylococcus aureus (S.aureus) in real-time with high specificity. (auburn.edu)
  • Photothermal heating via excitation of the localized surface plasmon resonance of the Au nanoparticle cores results in rapid PNIPAM shell collapse within the 10 ns pulse width of the laser. (hhu.de)
  • Her study in Plasmon is interdisciplinary in nature, drawing from both Nanoparticle, Surface plasmon resonance, Nanotechnology and Molecular physics. (research.com)
  • For example, the wetting ability of different surfaces can be modified using a nanoparticle thin film deposited on them [1]. (123dok.org)
  • This approach demonstrates that efficient expression of mature and fully functional protein products requires co-expression of active C1r-LP. The functional characterization of our proteins, which included monomer/polymer distribution, binding affinities as well as NO-sparing and antioxidant functions, demonstrated that C1r-LP-processed recombinant Hp demonstrates equal protective functions as plasma derived Hp in vitro as well as in animal studies. (biomedcentral.com)
  • The non-specific adsorption of proteins on surfaces is a well-known and mostly undesirable phenomena, which is reduced by a surface coating with the linear polyether poly(ethylene glycol) (PEG) as the current benchmark material. (fu-berlin.de)
  • The first one is steric repulsion of the highly flexible tethered polymer chains, leading to an entropic penalty by adsorption of proteins due to the reduction in polymer chain mobility. (fu-berlin.de)
  • Protein binding selectivity was investigated using a selectivity parameter (α) calculated by surface plasmon resonance response with reference proteins, human serum albumin (HSA) and fibrinogen (FIB). (mipdatabase.com)
  • This approach allows nanothin films to be grown with molecular level control of structure, thereby ensuring that the amino acids see a uniform surface during adsorption. (aiche.org)
  • Solution pH and polymer layer thickness were studied as independent parameters to determine their impacts on amino acid adsorption. (aiche.org)
  • Surface stress of polyelectrolyte adsorption measured by micromechanical cantilever sensors. (mpg.de)
  • The force measurements were complemented by surface plasmon resonance studies of protein adsorption onto these layers. (illinois.edu)
  • The absence of charge also allowed us to determine how membrane charge and the polymer grafting density independently affect protein adsorption on the coated membranes. (illinois.edu)
  • Nonfouling surfaces capable of reducing protein adsorption are highly desirable in a wide range of applications. (kit.edu)
  • Coating of surfaces with poly(ethylene oxide) (PEO), a water-soluble, nontoxic, and nonimmunogenic polymer, is most frequently used to reduce nonspecific protein adsorption. (kit.edu)
  • First, the immobilization has taken place by coupling the Fab'-fragments to the surface and thereafter attaching the polymer in the remaining space between the antibodies. (vtt.fi)
  • Having antibodies fixed on a surface, only their target will bind and stick near the surface as illustrated in Fig. 1. (dubowski.ca)
  • When our target is bound to the surface by the antibodies, the refractive index will change and the resonance angle will be slightly modified. (dubowski.ca)
  • A facile approach was developed for sensor surface regeneration by controlling the immobilization and removal of antibodies from SPR gold surface. (auburn.edu)
  • The measurements were performed with the surface force apparatus. (illinois.edu)
  • Polymerization of styrene sulfonate ethyl ester and styrene sulfonate dodecyl ester by ATRP: Synthesis and characterization of polymer brushes. (mpg.de)
  • Synthesis and characterization of polymer brushes on micromechanical cantilevers. (mpg.de)
  • In the polymer field, Raman microscopy has become one of the most important characterization tools due to the large number of chemical and structural information which could be extracted from a single result. (horiba.com)
  • Surface plasmon resonance microscopy (SPRM), also called surface plasmon resonance imaging (SPRI), is a label free analytical tool that combines the surface plasmon resonance of metallic surfaces with imaging of the metallic surface. (wikipedia.org)
  • Following the notion of portable and low-cost technologies, which is a vision of many researchers, we investigated the application of high-speed surface plasmon resonance imaging (SPRi) in the visualization of diffusion transport phenomena of water in thin film (7-250 nm) ionomers (Nafion and 3M). (mtu.edu)
  • Multiple Linear Regression Modeling To Predict the Stability of Polymer-Drug Solid Dispersions: Comparison of the Effects of Polymers and Manufacturing Methods on Solid Dispersion Stability MOLECULAR PHARMACEUTICS. (nottingham.ac.uk)
  • We have examined and revealed the effects of localized surface plasmon resonance of metal nanopaparticels on molecular photochemical processes by conventional and single particle spectroscopies. (nii.ac.jp)
  • Control of surface properties of self-assembled monolayers by tuning the degree of molecular asymmetry. (mpg.de)
  • Molecular imprinted polymers were applied for the detection of endocrine disruptors in aqueous media. (uni-tuebingen.de)
  • However, the molecular mechanism of protein-resistant surfaces is still not fully understood. (fu-berlin.de)
  • Las aplicaciones para POLÍMEROS DE IMPRONTA MOLECULAR (en inglés, MIP) comprenden las separaciones, los ensayos y biosensores y la catálisis. (bvsalud.org)
  • abstract = "Antibody Fab{\textquoteleft}-fragments can be directly coupled onto gold, and the space between the fragments can be filled with protein repellent disulfide bearing polymers. (vtt.fi)
  • Surface plasmon polaritons are surface electromagnetic waves coupled to oscillating free electrons of a metallic surface that propagate along a metal/dielectric interface. (wikipedia.org)
  • Radiation of different wavelengths (green, red and blue) was converted into surface plasmon polaritons, through the interaction of the photons at the metal/dielectric interface. (wikipedia.org)
  • Moreover, a dielectric resonance phenomenon is observed for all the PFZT ceramics. (ac.ir)
  • This consortium was specifically set up to provide the necessary combination of expertise in polymer science, nanotechnology, surface science and marine biology to ensure interdisciplinary training to 21 early career researchers (PhD and early post-doctoral). (europa.eu)
  • The spectral overlap between the extinction of AuNS and fluorescence emission of AIE-PS dots (665 nm) is carefully selected using five different AuNSs with distinct localized surface plasmon (LSPR) peaks. (nmlett.org)
  • High sensitivity of the surface plasmon resonance (SPR) effect to the refractive index changes of the near surface region, e.g., induced by trapped biomolecules, has made the SPR effect especially attractive for pharmacology research. (dubowski.ca)
  • The sensitivity of SPR biosensors were further improved specifically by poly-L-lysine grafted polyethylene glycol (PLL-g-PEG) polymer. (auburn.edu)
  • When used as a blocking buffer in affinity sensing of model antigen, ß-galactosidase by filamentous bacteriophage, this polymer improved the detection sensitivity by 2 to 3 orders of magnitude. (auburn.edu)
  • The refractive index sensitivity of localized surface plasmon resonance sensors can be improved by placing the plasmonic metal particles on pillars instead of on a planar substrate. (tno.nl)
  • By having sufficient polymer thickness and grafting density for, e.g. 80-90 nm, nanowells, polymer conformational change below and above LCST, allows controlled gating of these nanostructures. (chalmers.se)
  • The obtained MIP thin films of precisely controlled film thickness exhibited high affinity toward the target protein compared to non-imprinted polymer (NIP) thin films. (mipdatabase.com)
  • The results indicated that the MIP film thickness affects the protein binding selectivity: a polymer thickness of approximately 15 nm gave more selective protein binding (selectivity parameter for α(HSA) = 0.09 and for α(FIB) = 0.30). (mipdatabase.com)
  • The heterogeneity of the refractive index of the metallic surface imparts high contrast images, caused by the shift in the resonance angle. (wikipedia.org)
  • A more precise assessment of the refractive index at the interface is achieved by using the surface plasmon resonance (SPR) effect, created with a thin metallic layer interfaced with the virus (biomolecule) medium. (dubowski.ca)
  • Changing the refractive index very close to the surface will induce a change of resonance angle. (dubowski.ca)
  • Her Photonics research is multidisciplinary, relying on both Refractive index, Finite-difference time-domain method, Laser and Polymer. (research.com)
  • This feature was employed for protein transportation through the polymer brush interface in and out of the fabricated nanowell according to its plasmonic activity. (chalmers.se)
  • In this paper, a simple and versatile colloidal lithography method for the fabrication of plasmonic Au islands on top of polymer nanopillars is described. (tno.nl)
  • Figure 3 shows a schematic representation of surface plasmons coupled to electron density oscillations. (wikipedia.org)
  • Plasmonics exploits the phenomenon of ' photons striking small, metallic structures to create plasmons, which are oscillations of electron density in the metal ,' as Neil Savage explained here on the pages of Spectrum . (ieee.org)
  • Polymer brushes are prepared via Activators Regenerated by Electron Transfer Atom Transfer Radical Polymerization (ARGET-ATRP) by employing Bis[2-(2- bromoisobutyryloxy)undecyl] disulfide (DTBU) and its thiol (TBU) equivalent as initiators for the reaction. (chalmers.se)
  • When the electron's plasma and the electric field of the wave light couple their frequency oscillations they enters into resonance. (wikipedia.org)
  • This requires interdisciplinary research for precision engineering of coatings/surfaces, state-of-art surface analytics to characterize them, and a comprehensive assessment of how these coatings perform against fouling organisms. (europa.eu)
  • We then used advanced surface analytical methods to characterize test surfaces for relevant physico-chemical surface properties and show how these change after immersion. (europa.eu)
  • All fellows were trained in 3 Thematic Areas (Surface Engineering, Surface Analytics and Biofouling) through a range of interdisciplinary projects and training courses. (europa.eu)
  • Mechanical Properties of Single Molecules and Polymer Aggregates. (mpg.de)
  • This wave is very sensitive to surface conditions: roughness, scratches or molecules very close to it. (dubowski.ca)
  • A methodology for chemically synthesizing polymer molds of specific molecules or recognition sites of specific molecules. (bvsalud.org)
  • Surface plasmons will be produced at resonance within the probe medium, on the other side of the thin metallic layer. (dubowski.ca)
  • The fate of polymer solar cells in the marketplace has been tied to three main factors: Lifespan in outdoor environments , the cost of materials that make up the modules (namely indium tin oxide, or ITO), and power-conversion efficiency . (ieee.org)
  • These three issues remain the keys to unlocking the commercial potential of polymer solar cells to being someday rolled out like plastic tarps to power our homes cheaply and reliably. (ieee.org)
  • While polymer solar cells have been reported as high as 10.6 percent for polymer solar cells with more than one p-n junction, the UNIST researchers believe that their device, which reached nearly 9 percent using a single junction, could exceed 10 percent in commercial products. (ieee.org)
  • While conversion efficiency seems to have been improved in the lab with this research, it will need to be demonstrated this new material will not deteriorate in the environment as some nanomaterial-enabled polymer solar cells have in the past. (ieee.org)
  • However, if it can exhibit this kind of robustness and is coupled with a suitable material to replace the expensive ITO, it may indeed be an important commercial step in the polymer solar cells. (ieee.org)
  • The central incidence angle can be adjusted up to 40-80 degrees, so it can be used for surface studies, and various organic solvents can be applied, making it suitable for chemical experiments. (sprpages.nl)
  • The Copolymer study combines topics in areas such as Self-assembly and Polymer chemistry. (research.com)
  • Her Polymer chemistry study integrates concerns from other disciplines, such as Silicon nitride, Electric field and Electrode. (research.com)
  • The combination of surface chemistry with instrumental methods creates powerful tools for the determination of functional groups on polymer surfaces. (fraunhofer.de)
  • Here we show how to prepare dense PEO brushes on virtually any substrate by tethering PEO to polydopamine (PDA)-modified surfaces. (kit.edu)
  • The key research objective was to study the processes involved in the colonisation of surfaces by marine fouling organisms, and to develop novel materials and coatings to counteract them. (europa.eu)
  • ACS Applied Polymer Materials. (korea.ac.kr)
  • A serious problem with these composite materials, particularly glass-reinforced polymeric composites, which are the most prevalent in marine and other surface transport applications, is that they support combustion and in fire conditions burn, most often with heavy soot and smoke. (southampton.ac.uk)
  • For example, the optical, electrical, thermal and mechanical properties of many polymers can be modified using 1% wt. (123dok.org)
  • Surface plasmons or surface plasmon polaritons are generated by coupling of electrical field with free electrons in a metal. (wikipedia.org)
  • The light is transformed into a surface wave of the free electrons at the metal surface (an electro-optical wave), which propagates at the surface of the metal until it is completely absorbed and transformed into heat. (dubowski.ca)
  • Rational design of such 'green' coatings requires a better understanding of the influence of surface properties on the fouling organisms. (europa.eu)
  • In particular the project focused on those physical and chemical properties of surfaces at nano- and micro-scale that influence the adhesion of fouling organisms. (europa.eu)
  • Surface engineering technologies were used to fabricate coatings that varied systematically in relevant surface properties and length scales. (europa.eu)
  • We find that protein resistant properties of surfaces are likely to arise from an interplay of different factors. (fu-berlin.de)
  • In particular will be discussed their use to modify some properties of polymers, liquids and alloys. (123dok.org)
  • Hydrophobic forces play a key role in the processes of collapse and reswelling of thermoresponsive polymers. (hhu.de)
  • An analysis of chemically heterogeneous surface layers in that dimension is very challenging for modern analytical technology. (fraunhofer.de)
  • Today, the SPR effect is one of the most often investigated methods for detection of biomolecules smaller than, typically, 200 nm in diameter that have been immobilized at different surfaces. (dubowski.ca)
  • The surface-confined polymer films were grafted from flat gold surfaces using Atom Transfer Radical Polymerization (ATRP). (aiche.org)
  • Theories for simple polymers describe the forces between end-grafted polymer chains on neutral bilayers. (illinois.edu)
  • The second one argues with well-hydrated polymer chains generating a repulsive interfacial water layer. (fu-berlin.de)
  • Although the nanowires are protected by being embedded in the polymer template matrix, unexpected oxidation is clearly observed in TEM imaging, which unambiguously reveals the possible underlying oxidation mechanism responsible for the oxidation passivation. (rsc.org)
  • The vertical nanowires are laterally arrayed in various patterns on the surface. (lu.se)
  • Surface plasmon resonance analysis, particle size analysis, DSC, TGA, XRD, FTIR and LIBS analysis confirmed the successful conjugation of drugs and efficient polymer coating with high loading efficiency. (ac.ir)
  • The wetting, the adhesion to other objects, or the adhesion of paints is determined by the chemical and physical structure of a surface layer which is less than 1 nm thick. (fraunhofer.de)
  • Preclinical studies have evaluated haptoglobin (Hp) polymers from pooled human plasma as a therapeutic protein to attenuate toxic effects of cell-free hemoglobin (Hb). (biomedcentral.com)
  • Her studies in Plasmon integrate themes in fields like Tin and Titanium nitride. (research.com)
  • At the resonance angle, the reflected intensity will drastically go down, as the energy of the incident beam will be transformed into surface plasmons. (dubowski.ca)
  • The kinetics of water transport in confined thin film Perfluorinated sulfonic-acid (PFSA) ionomers is of vital importance in various applications such as a proton-exchange membrane or catalyst layers in polymer-electrolyte fuel cells. (mtu.edu)
  • This property makes noble metal-polymer nanocomposites particularly adequate for sensing and biosensing applications. (losangelesweeklytimes.com)
  • Applications for MOLECULARLY IMPRINTED POLYMERS (MIPs) include separations, assays and biosensors, and catalysis. (bvsalud.org)
  • In the present study, we describe a process for the production of recombinant phenotype specific Hp polymers in mammalian FS293F cells. (biomedcentral.com)
  • Surface plasmon resonance imaging: An inexpensive tool to study the wa" by Shahab Bayani Ahangar, Kishan Bellur et al. (mtu.edu)
  • Strain G50 also induced aggregation of yeast cells, which was abolished by deletion of ywfG from G50, suggesting that surface YwfG contributes to the interaction with yeast cells. (bvsalud.org)
  • In part c) of Figure 4, the intensity of the surface plasmon polaritons with the distance is shown. (wikipedia.org)