surface plasmon resonance analysis

... Davies, M.C & Forsen, S., (2000) Characterization of the surface generated by liposome binding to the modified dextran matrix of a surface plasmon resonance sensor chip An Biochem 280, 29–35 Abbott, ... DEGR-factor Xa were purchased from Haematologic Technologies Inc (Burlington, VT, USA) All surface plasmon resonance experiments were performed on either a BIAcore X or a BIA2000 together with L1 ... site inhibited form DEGR-factor Xa as well as the the factor X peptides were studied with surface plasmon resonance The Ca2+ concentration was 10 mM to ascertain that the Ca2+ binding sites of the...

Ngày tải lên: 08/03/2014, 23:20

... screening speed for nding new ligands, especially at the primary screening step Recently, the surface plasmon resonance (SPR) biosensor technology has been recognized as a powerful tool in monitoring ... with desired concentration was concentrated through a Centricon concentrator on demand Surface plasmon resonance (SPR) analyses The interaction analyses between immobilized PPARc LBD and its ... were determined by the steady state afnity tting analysis of the results from Biacore data As the binding process for 15-dPGJ2 is slow, its kinetic analysis of the binding to PPARc LBD regarding...

Ngày tải lên: 16/03/2014, 16:20

... its calculated peak area value, the total peptide concentration was adjusted accordingly Surface plasmon resonance (SPR) measurements The SPR measurements were performed on a BIAcore 2000 instrument ... scrambled AP-1 peptides Excess unreacted sites on the sensor surface were blocked with a 35-lL injection of M ethanolamine and the surface was again cleaned with the extraclean program Glycosaminoglycan ... injection, the same buffer was continuously flowed over the sensor surface to monitor dissociation At the end of each run, the sensor surface was regenerated by injecting a 10-lL pulse of M NaCl,...

Ngày tải lên: 31/03/2014, 23:20

... of single binding events by localized surface plasmon resonance Nano Lett 2008, 8:3450-3455 11 Scarano S, Mascini M, Turner AP, Minunni M: Surface plasmon resonance imaging for affinity-based ... guanine-guanine mismatches in DNA by synthetic ligands using surface plasmon resonance Nat Biotechnol 2001, 19:51-55 Chu LQ, Forch R, Knoll W: Surface- plasmon- enhanced fluorescence spectroscopy for DNA ... method may become a highly promising technique for the microorganism analysis List of abbreviations SPR: Surface plasmon resonance Acknowledgements This study was supported in part by grants...

Ngày tải lên: 18/06/2014, 19:20

... of single binding events by localized surface plasmon resonance Nano Lett 2008, 8:3450-3455 11 Scarano S, Mascini M, Turner AP, Minunni M: Surface plasmon resonance imaging for affinity-based ... guanine-guanine mismatches in DNA by synthetic ligands using surface plasmon resonance Nat Biotechnol 2001, 19:51-55 Chu LQ, Forch R, Knoll W: Surface- plasmon- enhanced fluorescence spectroscopy for DNA ... method may become a highly promising technique for the microorganism analysis List of abbreviations SPR: Surface plasmon resonance Acknowledgements This study was supported in part by grants...

Ngày tải lên: 20/06/2014, 03:20

... GaN-based light-emitting diode with a localized surface plasmon resonance Microelectron Eng 2009, 86:1120-1123 Lepage D, Dubowski JJ: Surface plasmon effects induced by uncollimated emission ... doi:10.1186/1556-276X-6-388 Cite this article as: Lepage et al.: Plasmonic propagations distances for interferometric surface plasmon resonance biosensing Nanoscale Research Letters 2011 6:388 Submit ... participated in the analysis and interpretation of data, did the calculations for plasmon mode coupling and drafted the manuscript DC carried the COMSOL simulations and participated in the analysis and...

Ngày tải lên: 21/06/2014, 03:20

... Hutter E, Fendler JH: Exploitation of localized surface plasmon resonance Adv Mater 2004, 16:1685 13 Willets KA, Van Duyne RP: Localized surface plasmon resonance spectroscopy and sensing Annu Res ... surface plasmon resonance spectroscopy of triangular silver nanoparticles J Am Chem Soc 2002, 124:10596 17 Hiep HM, Yoshikawa H, Saito M, Tamiya E: An interference localized surface plasmon resonance ... Shah NC, Zhao J, Van Duyne RP: Biosensing with plasmonic nanosensors Nat Mater 2008, 7:442 15 Xiang G, Zhang N, Zhou X: Localized surface plasmon resonance biosensing with large area of gold nanoholes...

Ngày tải lên: 21/06/2014, 04:20

... Exploitation of localized surface plasmon resonance Adv Mater 2004, 16:1685 52 Eustis S, El-Sayed MA: Why gold nanoparticles are more precious than pretty gold: nobel metal surface plasmon resonance and ... 20 Lai CW, An J, Ong HC: Surface- plasmon- mediated emission from metalcapped ZnO thin films Appl Phys Lett 2005, 86:251105 21 Okamoto K, Vyawahare S, Scherer A: Surface- plasmon enhanced bright ... mediating surface plasmon polaritons Proc SPIE 2008, 7032:70320R 24 Gifford DK, Hall DG: Emission through one of two metal electrodes of an organic light-emitting diode via surface- plasmon cross...

Ngày tải lên: 21/06/2014, 05:20

... where a2 þ a2 þ a2 þ a2 þ a2 þ a2 6¼ 0, the normal 11 22 33 12 13 23 to the surface at a point N0(x0, y0, z0) on this surface is [15] 123 346 Nanoscale Res Lett (2010) 5:344–352 Fig Gold nanostructure ... xh–yh–zh coordinate system, the normal to the surface at a point P(xh, yh, zh) is After wet etching, the new point P0 (xuc, yuc, zuc) is on the normal to the surface, it satisfies Eq 10 as well as the ... point P0 (xh, yh, zh) on the wet-etched surface, with the relationship of 0 xh À xh 2  2  2 0 þ yh À yh þ zh À zh ¼ te2 P0 is also on the normal to the surface expressed by Eq Based on Eqs...

Ngày tải lên: 22/06/2014, 00:20

... inhibitor, Figure Surface plasmon resonance sensorgram for the immobilized recombinant human topoisomerase I (hTopI) (A) A sensorgram of hTopI immobilized on the General Layer Medium sensor surface (B) ... Leontiou C, Lightowlers R, Lakey JH, Austin CA: Kinetic analysis of human topoisomerase IIalpha and beta DNA binding by surface plasmon resonance FEBS Lett 2003, 554:206-210 29 Renodon-Corniere ... Biomedical Science 2010, 17:49 http://www.jbiomedsci.com/content/17/1/49 Page of Figure Surface plasmon resonance sensorgram of the interaction between immobilized topoisomerase I (TopI) and TopI...

Ngày tải lên: 10/08/2014, 05:21

... frequency known as the resonance frequency The resonance frequency changes as the thickness of the surface of the crystal changes As the mass of the surface changes, the resonance frequency also ... the ligand on the surface of the sensor and causing a boost in signal Another mass sensitive biosensor which is of increasing interest in the life sciences is surface plasmon resonance (SPR) Researchers ... SELEX Systematic evolution of ligands by exponential enrichment SOC Super optimal broth SPR Surface plasmon resonance ssDNA Single stranded DNA TBST Tris-buffered saline, Tween TGK Tris-glycine-phosphate...

Ngày tải lên: 10/09/2015, 09:22

... Background 2.1 Fundamentals of surface plasmons (SPs) 2.1.1 Basic properties of surface plasmons Surface plasmon polaritons (SPPs), often referred to as surface plasmons (SPs), are resonant electromagnetic ... outside the particle This resonance is called the localized surface plasmon or short localized plasmon resonance [7] Another consequence of the curved surface is that plasmon resonances can be excited ... incorporating plasmonic resonance tuning 1.3.4 Tuning of surface plasmon resonance by bimetallic structures To the best of our knowledge, there has yet being any research on the surface plasmonic...

Ngày tải lên: 16/10/2015, 11:57

... compared with the surface plasmon wave along the surface of the bulk metal in a dielectric medium This symmetric surface plasmon wave mode is also called the long range surface plasmon (LRSP) mode ... about these results 10 Chapter Basics of Surface Plasmon Polaritons This chapter presents some principles of surface waves, especially long range surface plasmon polaritons and excitation methods ... is thin enough, surface waves at both side couple together creating supermodes, with the odd mode called long range surface plasmon polaritons [3] 1.3 Excitation Methods Surface plasmon polaritons...

Ngày tải lên: 11/04/2014, 13:49

... film on a quartz substrate is illuminated by a TMpolarized 400-nm-wavelength plane wave Since the surface grooves are designed to concentrate light in the near-field, the positions of the grooves ... more symmetric The FWHMs in the y-direction are reduced by 15%–35% at distances 20–100 nm from the surface Since the grooves only produce strong effect along the y-axis, we also investigated partial ... device for near-field applications where direct contact between the bowtie aperture and another surface is not desirable The authors gratefully acknowledge the support of the National Science...

Ngày tải lên: 06/05/2014, 08:53

... “Approximate model for surface- plasmon generation at slit apertures,” J Opt Soc Am A 23(7), 1608–1615 (2006) 16 L Zhang, A Kubo, L Wang, H Petek, and T Seideman, “Imaging of surface plasmon polariton ... incident light and surface plasmon polariton (SPP) launched by the nanoslit This result will clarify the hybridization of optical fields in s-NSOM measurements, especially when studying plasmonic structures ... in-plane component of the incident radiation It is known that structures on a metal surface can excite surface plasmon polariton (SPP) under light illumination [14] A simple structure such as nanoslit...

Ngày tải lên: 06/05/2014, 08:54

... illustrate the bowtie aperture performance at these two wavelengths, i.e., resonance versus off -resonance At the 505 nm resonance, the field intensity at the bowtie apex is found more than 15,000 ... Frohlich resonance at ␧Ј / ␧m = −8.3.23 At this resonance, SP is only localized at the tips of the bowtie ͑similar to the ends of the long axis of spheroid͒ In contrary, at 462 nm off -resonance, ... Domain Method for Electromagnetics ͑CRC Press, Boca Raton, FL, 1996͒ 18 H Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings ͑Springer, Berlin, 1988͒ 19 H Ditlbacher, J R Krenn,...

Ngày tải lên: 06/05/2014, 08:58

... “Approximate model for surface- plasmon generation at slit apertures,” J Opt Soc Am A 23(7), 1608–1615 (2006) 16 L Zhang, A Kubo, L Wang, H Petek, and T Seideman, “Imaging of surface plasmon polariton ... incident light and surface plasmon polariton (SPP) launched by the nanoslit This result will clarify the hybridization of optical fields in s-NSOM measurements, especially when studying plasmonic structures ... in-plane component of the incident radiation It is known that structures on a metal surface can excite surface plasmon polariton (SPP) under light illumination [14] A simple structure such as nanoslit...

Ngày tải lên: 06/05/2014, 08:58

... modes René de Waele, Stanley Burgos Plasmonic toolbox: ω, ε(ω), d - Engineer λ(ω) Plasmonic integrated circuits Plasmonic concentrator Plasmonic multiplexer Plasmonic lens thin section Y Axis ... 1000 And much more … Conclusions: surface plasmon polariton Surface plasmon: bound EM wave at metal-dielectric interface Dispersion: ω(k) diverges near the plasma resonance: large k, small λ Control ... real - kz is imaginary EM wave is coupled to the plasma oscillations of the surface charges Derivation of surface plasmon dispersion relation: k(ω) 2 2π ∂ Ed ,m 2 k= Wave equation: ∇ E d ,...

Ngày tải lên: 31/05/2014, 17:29

... interface k SiO2 H • Surface plasmons at the metal/glass interface can not be excited! Light line air Light line glass !sp , AIR !sp , SiO2 Surface plasmon Metal/Air interface Surface plasmon Metal/Glass ... Summary The dispersion relation for surface plasmons • Useful for describing plasmon excitation & propagation This lecture: ! !p !sp k sp Coupling light to surface plasmon- polaritons • Using high ... Air k sp k SiO2 k Surface- Plasmon is Excited at the Metal/Air Interface Kretschmann geometry k sp , Air Θ E ! • Makes use of SiO2 prism k sp , SiO2 • Enables excitation surface plasmons at the...

Ngày tải lên: 31/05/2014, 17:30

... ATR giá trị thu là: σ=25 Å σ =1390Å Nội dung  Hướng tán xạ    ∆k = k − k x Hướng tán xạ: Các plasmon giá trị khác |Δk|=2|kx|sin(Φ/2) thành phổ nhám lệch góc Φ Các SP biến dị lan truyền bề mặt...

Ngày tải lên: 31/05/2014, 19:24