metal stripe surface plasmon waveguides
Báo cáo Y học: Interaction of bovine coagulation factor X and its glutamic-acid-containing fragments with phospholipid membranes A surface plasmon resonance study pdf
... 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 ... active 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...
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Báo cáo khóa học: Binding analyses between Human PPARc–LBD and ligands Surface plasmon resonance biosensor assay correlating with circular dichroic spectroscopy determination and molecular docking ppt
... 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 ... complex with desired concentration was concentrated through a Centricon concentrator on demand Surface plasmon resonance (SPR) analyses The interaction analyses between immobilized PPARc LBD and ... equilibrium towards PPARcLBD quickly, within s, and the compounds dissociated from the protein chip surface completely after s as shown in Fig 2B Two tting methods are generally used in the data analyses...
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Báo cáo Y học: Characterization of heparin binding by a peptide from amyloid P component using capillary electrophoresis, surface plasmon resonance and isothermal titration calorimetry ppt
... from 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,...
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PLASMONICS NANOFOCUSING BASED ON LONGRANGE SURFACE PLASMON POLARITONS
... 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 ... of longrange surface plasmon polariton excited in a MDM structure 54 Figure 4.3 A 2D view of longrange surface plasmon excited in a MDM structure .54 Figure 4.4 An asymmetric plasmonic waveguide ... localization of surface plasmon waves in nanostructures, provides people with a great ability to manipulate substance at nanoscale It was proposed that smoothly tapered metal plasmonic waveguides...
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improving near field confinement of a bowtie aperture using surface plasmon polaritons
... 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 ... optimum periodicities depend on the SPP wavelength which is a function of free space wavelength, metal film, and media properties Our optimized periodicity of about SPP / differs from the results ... 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...
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the origin of interferometric effect involving surface plasmon polariton in scattering nearfield scanning optical microscopy
... the 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 ... 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 ... between optical nano-objects at metallo-dielectric interfaces,” Nat Phys 2(8), 551–556 (2006) 15 P Lalanne, J P Hugonin, and J C Rodier, “Approximate model for surface- plasmon generation at slit apertures,”...
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obtaining super resolution light spot using surface plasmon assisted
... 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, ... constants of metal and adjacent medium.19,23 For example, the Frohlich SP resonance for a spherical nanoparticle occurs when Ј / m = −2 ͑where Ј is the real part of dielectric constant of metal, ... light Surface current is induced on the ridges by the incident photons at the entrance side, flows along the walls of the gap, and reaches the exit side When terminated by the gap, the surface...
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the origin of interferometric effect involving surface plasmon polariton in scattering nearfield scanning optical microscopy
... the 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 ... 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 ... between optical nano-objects at metallo-dielectric interfaces,” Nat Phys 2(8), 551–556 (2006) 15 P Lalanne, J P Hugonin, and J C Rodier, “Approximate model for surface- plasmon generation at slit apertures,”...
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Nanophotonics class 2 - surface plasmon polaritons
... 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 ... -1.0 200 400 600 Distance (nm) 800 1000 And much more … Conclusions: surface plasmon polariton Surface plasmon: bound EM wave at metal- dielectric interface Dispersion: ω(k) diverges near the plasma ... imaginary kx real kz 1+ εd Dielectric: εd z x Bound modes (ε'm < −εd) Metal: εm = εm' + εm" Re kx real kx imaginary kz ω ε mε d Surface plasmons dispersion: k x = c εm + εd ck x ω εd 1/ ...
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Surface plasmon excitations
... 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 ... 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 Air /Metal ... 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...
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Thuyết trình surface plasmon trên bề mặt gồ ghề
... 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...
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Báo cáo công nghệ nano surface plasmon chương 4
... để thay đổi độ nhám bề mặt chưa tìm Vấn đề cụ thể với bề mặt có độ nhám cao, mô hình ‘localized” plasmons cho phép ta có am hiểu rõ quan sát Bề mặt nhám tạo phương pháp bốc màng tinh thể , , Chiolit, ... tăng độ nhám film bạc hóa silver-island [3.8] Chi tiết xem phần4.2 4.1 Thay đổi thuộc tính bề mặt plasmons nguyên nhân gây độ nhám Nếu đường cong ATR film bạn cho thấy độ nhám khác tạo với hai độ ... nghiệm với SP mở rộng bề mặt nhám để phát phân phối góc cường độ chưa công bố Độ nhám lớn hệ SHG Plasmon cục SERS Đến không tồn thí nghiệm ATR Độ nhám lớn 20-30 ATR số kết cần ý bề mặt nhám tìm...
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Báo cáo sinh học: " Rapid label-free identification of mixed bacterial infections by surface plasmon resonance" pdf
... 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 ... sensing 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 ... interface between the chip surface and an ambient medium Hybridization between a probe immobilized on the chip surface and its target may cause the conformational changes in the surface of the gold...
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báo cáo hóa học:" Rapid label-free identification of mixed bacterial infections by surface plasmon resonance" pptx
... 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 ... sensing 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 ... interface between the chip surface and an ambient medium Hybridization between a probe immobilized on the chip surface and its target may cause the conformational changes in the surface of the gold...
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Báo cáo hóa học: " Plasmonic propagations distances for interferometric surface plasmon resonance biosensing" ppt
... Burke JJ, Stegeman GI, Tamir T: Surface- polariton-like waves guided by thin, lossy metal films Phys Rev B 1986, 33:5186 Mills DL: Attenuation of surface polaritons by surface roughness Phys Rev B ... 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 ... Figure SEM images of surface roughness for of Au surfaces; as presented in [13]for (a) 0.2 Å/s deposition rate The roughness is high and but relatively homogeneous over the surface Au grains are...
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Báo cáo hóa học: " Unusual magneto-optical behavior induced by local dielectric variations under localized surface plasmon excitations" potx
... guiding of electromagnetic energy in metal/ dielectric structure J Appl Phys 2005, 98:011101 20 Miller MM, Lazarides AA: Sensitivity of metal nanoparticle surface plasmon resonance to the dielectric ... localized surface plasmon resonance of noble metal nanoparticles J Phys Chem B 2004, 108:6961 Lee KS, El-Sayed MA: Gold and silver nanoparticles in sensing and imaging: sensitivity of plasmon response ... plasmon response to size, shape, and metal composition J Phys Chem B 2006, 110:19220 Liz-Marzan L: Tailoring surface plasmons through the morphology and assembly of metal nanoparticles Langmuir 2006,...
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Báo cáo hóa học: " Sensitive and molecular size-selective detection of proteins using a chip-based and heteroliganded gold nanoisland by localized surface plasmon resonance spectroscopy" pptx
... 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 ... localized 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 ... O, 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...
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Báo cáo hóa học: " Light-emitting diodes enhanced by localized surface plasmon resonance" docx
... 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 ... 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...
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Báo cáo hóa học: "Localized-Surface-Plasmon Enhanced the 357 nm Forward Emission from ZnMgO Films Capped by Pt Nanoparticles" ppt
... would be an increase in extraction angle, since capping metal particles on an emitter surface may lead to light multi-scattering at the metal/ emitter interface To check this mechanism, the PL ... ZnMgO films were annealed in vacuum at 800 °C for h Finally, the Pt NPs were grown on the ZnMgO surface by sputtering deposition of Pt thin films followed by annealing Annealing was performed by ... also included Fig Room temperature PL spectra of the ZnMgO, Pt/ZnMgO, Ag/ ZnMgO, and Pt NPs noble metals due to direct recombination of the conduction-band electrons near the Fermi level with the...
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Báo cáo hóa học: " Profile Prediction and Fabrication of Wet-Etched Gold Nanostructures for Localized Surface Plasmon Resonance" docx
... 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...
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