diagnosis of cancer using semiconductor quantum dot biomolecule complexes
Báo cáo hóa học: " Coherent optical spectroscopy in a biological semiconductor quantum dot-DNA hyb" doc
... one of the simplest forms of quantum dot and the most important feature of these quantum dots is the nontoxicity to the environment and to human body These quantum dots will become new labeling ... energy levels of peptide QD when dressing the vibrational modes of DNA molecules The energy levels of peptide quantum dot can be modeled as traditional quantum dot, which consists of two energy ... a biological semiconductor quantum dot- DNA hybrid system Jin-Jin Li and Ka-Di Zhu∗ Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Department of Physics, Shanghai...
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Báo cáo y học: " the Value of Serum Biomarkers (Bc1, Bc2, Bc3) in the Diagnosis of Early Breast Cancer"
... since none of them alone is useful for the majority of the BC and none of them is specific for cancer or breast tissues No biomarker has been suggested to date for the early diagnosis of BC (24) ... mean age 39.1) Complex protein profiles of sera of 27 women with BC, 24 women with benign breast disease and 37 healthy women were obtained by SELDI-TOF MS analyses using IMAC30-NI beams The spectra ... classification of breast cancer by the WHO (1968) and its prognostic value] Arkh Patol 1980;42(4): 13–19 Singletary SE, Greene FL: Revision of breast cancer staging: the 6th edition of the TNM Classification...
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Báo cáo y học: "MALDI-TOF MS Combined With Magnetic Beads for Detecting Serum Protein Biomarkers and Establishment of Boosting Decision Tree Model for Diagnosis of Colorectal Cancer"
... expression Breast Cancer Res 2008;10:107 26 Langbein S, Lehmann J, Harder A, Steidler A, Michel MS Protein profiling of bladder cancer using the 2D-PAGE and SELDI-TOF-MS technique Technol .Cancer Res.Treat.2006; ... based on a first pass of signal-noise ratio of and a minimum peak threshold of 20% of all spectra This process was completed with a second pass of peak selection at 0.2% of the mass window, and ... Genetic models of human cancer as a multistep process Paradigm models of colorectal cancer, breast cancer, and chronic myelogenous and acute lymphoblastic leukaemia J Exp Clin Cancer Res.2005;...
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Tài liệu MULTICOLOR QUANTUM DOTS FOR MOLECULAR DIAGNOSTICS OF CANCER doc
... Alivisatos AP Semiconductor clusters, nanocrystals, and quantum dots Science 271(5251), 933–937 (1996) • Outstanding review paper on quantum • dot (QD) physics 242 Murphy CJ, Coffer JL Quantum dots: ... recently unveiled a host of new tools in the pursuit of improved cancer diagnosis QDs have the unique distinction of being applicable in nearly all facets of clinical diagnosis, from blood screening ... tunable emission of CdSe quantum dots (A) F luorescence image of a series quantum dots excited with an ultraviolet lamp T particle he diameters are shown (B) S chematic illustration of the relative...
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Tài liệu Báo cáo khoa học: A strategy for discovery of cancer glyco-biomarkers in serum using newly developed technologies for glycoproteomics ppt
... methylesterification of sialic acid moieties All spectra were obtained in the positive ion mode using MALDI– quadrupole ion trap (QIT)-TOF MS A strategy for discovery of cancer glyco-biomarkers On the basis of ... previously demonstrated the application of this method to the determination of the glycan structure of a form of AFP [10] However, identification of the details of a glycan structural change on a glycoprotein ... Effective incorporation of biomarkers into phase II trials Clin Cancer Res 15, 1898–1905 Discovery of cancer glyco-biomarkers 38 Hanahan D & Weinberg R (2000) The hallmarks of cancer Cell 100, 57–70...
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A COMPARATIVE STUDY OF THE DIAGNOSIS OF PULMONARY TUBERCULOSIS USING CONVENTIONAL TOOLS AND POLYMERASE CHAIN REACTION* pot
... available for comparison of the performance of the individual tests, an analysis of results was done using a variety of standards Efficiency of microscopy, culture and PCR in terms of sensitivity, specificity, ... with past history of tuberculosis ! with symptom complex Table 2: Summary : Final diagnosis of tuberculosis patients Tuberculosis patients Diagnostic review Final diagnosis of TB patients Description ... al Utility of nucleic acid amplification techniques for the diagnosis of pulmonary tuberculosis in sub-saharan Africa Int J Tuberc Lung Dis 2001; 5: 364-369 Rattan A PCR for diagnosis of tuberculosis:...
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Accuracy of Clinical Signs in the Diagnosis of Pulmonary Tuberculosis: Comparison of Three Reference Standards Using Data from a Tertiary Care Centre in Rwanda doc
... Features of Different LCA Models Fitted to the Data Numbers of Classes, Manifest Variables and Dependencies, and Goodness of Fit for the Models Model Number of Latent Classes Number of Manifest ... part of routine examination For HIV testing, specific informed consent was asked and counseling offered Approval for this study was obtained from the relevant authorities of the Ministry of Health ... the public wards of internal medicine of CHK, a 600-bed hospital of national referral center in Rwanda Three hundred consecutive patients who were hospitalized with a cough of at least weeks...
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SYNTHESIS OF CDTE AND PBS SEMICONDUCTOR QUANTUM DOTS AND
... science 1.2 Quantum Dots Quantum dots, the so-called nanocrystals, are nano-sized semiconductor particles composed of II-VI group or III-V main group elements Normally, the size of the quantum dots ... response of CdTe/CA quantum dots with different amount of PPIX 35 mM solution (10 μL increment) 33 viii 3.4 Luminescence response of CdTe/L-Cysteine quantum dots with different amount of ... of CdTe/TGA quantum dots with different amount of PPIX 35 mM solution (10 μL increment) 34 3.6 Least square fitting of CdTe/CA quantum dots peak intensity versus different amount of...
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synthesis and characterization of cdse-zns core-shell quantum dot
... 1.1 Basics of Quantum Dots Quantum dots are very small crystals of semiconductor materials Their size ranges from about a hundred to a few thousand atoms The diameter of a quantum dot is approximately ... synthesis methods for producing II-VI semiconductor quantum dots.10 2.4 Core-Shell Quantum Dots 2.4.1 Motivation for Core-Shell Quantum Dots Since quantum dots are only a few nanometers in diameter, ... Quantum Dots Work? 10 2.1.1 Semiconductors 10 2.1.2 Quantum Confinement 11 2.1.3 Fluorescence 13 2.2 Quantum Dot Materials 14 2.3 Quantum Dot...
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Báo cáo hóa học: "Fault diagnosis of Tennessee Eastman process using signal geometry matching technique" ppt
... http://asp.eurasipjournals.com/content/2011/1/83 Page 14 of 19 Table Correct diagnosis rates of TEP deterministic faults using five PCs (20 simulations for each fault type) Table Weight li of PCi for deterministic fault diagnosis PCi ... P(wj|PCi) quantifies the credibility of algorithm result of using ith PC for fault diagnosis In other words, it reflects the frequencies of ascending orders of index FIn (introduced in Figure 4) ... http://asp.eurasipjournals.com/content/2011/1/83 Table 11 Weight li of PC ifor stochastic fault classification Page 17 of 19 Table 14 Correct diagnosis rates of IDV(0) to IDV(20) using signal templates of six PCs PCi li PCi used: PC1...
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Báo cáo hóa học: " Reduced cytotoxicity of insulin-immobilized CdS quantum dots using PEG as a spacer" pot
... introduction of PEG-insulin conjugate onto the surface of Q-dots through chemical bonding may confer the combined advantage of PEG and insulin Introduction of PEG onto the surface of nanoparticles ... and imaging cancer cells by folate-decorated, quantum dots (QDs)-loaded nanoparticles of biodegradable polymers Biomaterials 2009, 30:1176 Alivisatos AP, Gu WW, Larabell C: Quantum dots as cellular ... WCW, Bhatia SA: Probing the cytotoxicity of semiconductor quantum dots Nano Letters 2004, 4:11 Yu WW, Chang E, Drezek R, Colvin VL: Water-soluble quantum dots for biomedical applications Biochemical...
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Báo cáo hóa học: " Fano-Rashba effect in thermoelectricity of a double quantum dot molecular junction" pptx
... corresponding area of the quantum ring consisting of the double quantum dots and metallic electrodes The value S may be obtained in the previous well-known experimental work [1] So the magnitude of the magnetic ... of One-Dimensional Wetting Wires During the Growth of In-GaAs/GaAs Quantum Dot Chains Nano Lett 2006, 6:1847-1851 Sablon KA, Lee JH, Wang ZhM, Shultz JH, Salamo GJ: Configuration control of quantum ... temperature-dependent thermopower of few-electron quantum dots Phys Rev B 2007, 75:041301-041304(R) 28 Zhang XM, Chen XS, Lu W: Thermopower of a multilevel quantum dot coupled with leads in Coulomb...
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báo cáo hóa học: " Experimental a-particle radioimmunotherapy of breast cancer using 227Th-labeled p-benzyl-DOTAtrastuzumab" pptx
... Autoradiography of SKBR-3 tumor xenografts showed that the distribution patterns of radioactivity after injection of 600 kBq/kg of 227Th-trastuzumab were inhomogeneous (Figure 8) The smallest of the tumors ... means of each treatment group Discussion The present study of alpha-particle-emitting 227Th-trastuzumab showed a significant dose-dependent inhibition of tumor growth of human SKBR-3 breast cancer ... we suggest that localization of small amounts of 223Ra in bone tissue would be acceptable Furthermore, because of the long half-life of 227 Th and internalization of HER-2 antigen after binding...
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Báo cáo hóa học: " Improved conversion efficiency of Ag2S quantum dot-sensitized solar cells based on TiO2 nanotubes with a ZnO recombination barrier layer" pdf
... http://www.nanoscalereslett.com/content/6/1/462 Page of Figure Preparation process of Ag2S quantum dot- sensitized ZnO/TNTs Results and discussion Morphology of the TNTs Figure 2a shows the SEM image of the plain TNT film fabricated ... http://www.nanoscalereslett.com/content/6/1/462 Ag2S quantum dot- sensitized ZnO/TNT electrodes were prepared by the interposition of a ZnO energy barrier between the TNTs and Ag2S quantum dots The ZnO thin layers were formed using wet-chemical ... sensitized with InAs quantum dots J Phys Chem B 2006, 110:25451-25454 Page of 13 Zaban A, Micic OI, Gregg BA, Nozik AJ: Photosensitization of nanoporous TiO2 electrodes with InP quantum dots Langmuir...
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báo cáo hóa học: " Efficient spin filter using multi-terminal quantum dot with spin-orbit interaction" docx
... Figure Models of a multi-terminal spin filter using a quantum dot with SO interaction (a) Impurity Anderson model with three leads There are two energy levels (j = 1, 2) in the quantum dot They are ... reservoirs through quantum wires of width W A hard-wall potential is assumed at the edges of the quantum wires The QD is formed by quantum point contacts on the wires The potential in a quantum wire ... spin-filtering device using a multiterminal QD fabricated on semiconductor heterostructures The efficiency of the spin filter can be larger than 50% Abbreviations QD: quantum dot; STM: scanning...
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Báo cáo hóa học: " Investigation of pre-structured GaAs surfaces for subsequent site-selective InAs quantum dot growth" potx
... luminescence of InAs quantum dots using in situ Ga-assisted deoxidation of patterned substrates Appl Phys Lett 2008, 93:101908 Kiravittaya S, Heidemeyer H, Shmidt OG: In(Ga)As Quantum Dot Crystals ... Petroff PM, Zhang L, Hu E, Imamoğlu A: A Quantum Dot Single-Photon Turnstile Device Science 2000, 290:2282 Akopian N, Lindner NH, Poem E, Berlatzky Y, Avron J, Gershoni D, Gerardot BD, Petroff ... is given by TEM analysis of a capped sample Figure shows a TEM image of the profile of a defect hole, which was found on a pre-structured sample The different layers of the structure are visible...
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Báo cáo hóa học: " Improvement of performance of InAs quantum dot solar cell by inserting thin AlAs layers" doc
... structure of self-assembled Inas/GaAs quantum dots J Cryst Growth 2007, 301-302:825 doi:10.1186/1556-276X-6-83 Cite this article as: Hu et al.: Improvement of performance of InAs quantum dot solar ... performance of In(Ga)As quantum dot solar cells via light scattering by nanoparticles J Appl Phys 2009, 106:056101 Ngo CY, Yoon SF, Fan WJ, Chua SJ: Effects of size and shape on electronic states of quantum ... roughness is 1.12 nm over an area of 10 × 10 μm2 It is slightly better than the RMS roughness of sample B, which is 1.16 nm for an area of 10 × 10 μm2 From the AFM image of sample C, which contains...
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Báo cáo hóa học: " Impacts of Post-metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells" potx
... (2010) 5:1762–1767 Fig Schematic diagram of an all-Si quantum dot super lattice tandem solar cell [2] 1763 a quartz substrate using magnetron co-sputtering of Si and quartz (SiO2) targets [9] Either ... small as Rsh of the cell is in the order of MX.cm2 The short circuit current increases by a factor of three due to the decrease of Rs Contact and Sheet Resistances To identify the origin of the large ... Other possible solutions include reduction of the barrier height and thickness of the quantum mechanical tunnelling barrier, modification of the composition of the cell’s absorber material, improved...
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Báo cáo hóa học: " Statistical Analysis of Surface Reconstruction Domains on InAs Wetting Layer Preceding Quantum Dot Formation" pot
... shut off Figure shows the STM image of 1.5 ML of InAs WL just prior to QD formation at 300°C Stripes due to As dimers were clearly observed The image was divided by a 25 25 mesh The pitch of the ... coordinates were measured by using ImageJ software [8, 9] The center coordinates were used for the Voronoi tessellations of the STM view field (Fig 4) and the computation of the nearest neighbor distance ... each cell of 25 25 mesh in Fig rffiffiffiffi S f ¼ ; N where S is the total area of Voronoi cells, which are not touching the frame, and N is the number of valid reconstruction domains The density of each...
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Báo cáo hóa học: " Temperature-Dependent Site Control of InAs/GaAs (001) Quantum Dots Using a Scanning Tunneling " pptx
... ML (1.5 ? 0.16 ML) of InAs, S–K dots were fabricated at other place This indicated the difference of growth rates between the dot structure in the hole structure and the S–K dots Figure shows ... collapse of the dot structures were caused by the high mobility of In atoms at this temperature [11–14] Surface Structure Transition at 300°C Under As4 and In Irradiations To prevent the collapse of ... InAs nano dots were fabricated At 430°C, InAs nano dots were also fabricated However, these dots were remained at least 40 s and collapsed less than 1000 s Then, we fabricated InAs nano dots at...
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