emission of single molecules in self organized inp gainp quantum dots
Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf
... that aB-crystallin most likely employs various methods of binding (or binding modes) in order to prevent the aggregation of stressed proteins Some of these binding modes (or binding sites) are ... to interact with a number of functional groups, including the aromatic side chains of some amino acids, through a stacking mechanism [42] The interaction of arginine with aromatic amino acids of ... the lag phase of the aggregation When incubated in the presence of aB-crystallin alone (at a 1.0 : 1.0 w ⁄ w ratio of insulin : aB-crystallin), the precipitation of insulin was inhibited by 40...
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Báo cáo Y học: Balanced expression of single subunits in a multisubunit protein, achieved by cell fusion of individual transfectants docx
... diagram of the fusion of cells producing individual protein units of a multisubunit protein Three transfected CHO-K1 cell lines producing either IgA, J-chain or SC, respectively, were fused in two ... single cell line expressing defined ratios of multiple protein units, excessive screening is necessary, as each gene introduced into the cell multiplies the complexity of the screening Others have ... amount of expressed protein on a molar basis is almost equal in these cells, as the Mr of IgA and SC are 160 and 80 kDa, respectively Fusion of single transfectants to achieve SIgA-producing clones...
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Báo cáo hóa học: " Temperature dependent optical properties of single, hierarchically self-assembled GaAs/AlGaAs quantum dots" potx
... bright PL emission with FWHM of % 8.5 meV Remarkably, the width of a single- QD emission is comparable to the ensemble inhomogeneous broadening of % 12.4 meV By combining a micro-photoluminescence ... layer fills up the nanoholes in the underlying AlGaAs barrier leading to the formation of inverted GaAs QDs below a thin GaAs quantum well (QW) For single- QD and ensemble investigations, the QD density ... the minimum power of Fig Temperature dependence of PL energy positions (n) and homogeneous linewidth of the exciton PL line (•) and the dot ground-state (s) in a single GaAs QD The solid line...
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Báo cáo khoa học: "Changes in some Blood Micronutrients, Leukocytes and Neutrophil Expression of Adhesion Molecules in Periparturient Dairy Cows" ppt
... increase in the numbers of WBC at calving This was mainly due to an increase in the numbers of circulating neutrophils, and to a less extent, an increase in monocytes At calving, the levels of ... were collected in the morning, using Vacutainer® tubes (Becton Dickinson Vacutainer Systems, Meylan, France), one month before estimated calving, at calving (within 24 hours after calving) and one ... determination of Ca, Cu, K, Mg, Na and Zn was performed using inductively coupled plasma emission spectrometry (ICP-AES, Jobin Yvon 238 emission- spectrometer, Instruments S.A., Division Jobin Yvon,...
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Light sheet based fluorescence correlation and cross correlation spectroscopy for quantitative measurements of bio molecules in live cells
... players in biological systems to enable understanding in protein-protein interactions or protein-DNA interactions A number of techniques, including protein microarrays, pull down assays and chromatin ... Structured-Illumination Microscopy Single Molecule Detection SPAD Single Photon Avalanche Detector SPIM Single Plane Illumination Microscopy SPT STED Single Particle Tracking Stimulated Emission Depletion ... imaging method can provide spatio-temporal dynamics and binding maps of proteins localized in membrane, cytosol and nucleus This particular study combines fast SPIM imaging (single plane illumination...
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Systematic study of hadronic molecules in the heavy quark sector
... have studied properties of hadronic molecules in the heavy quark sector These have become increasingly important since from the beginning of this century a large number of states have been measured ... Leading (a) and subleading (b) contributions to light meson-scattering in ChPT 2.4.1 Chiral Perturbation Theory For the power counting in ChPT we have in principle to distinguish between two ingredients: ... using in this work In Sec (2.2.1) we will make use of the additional chiral symmetry that one obtains in the limit of massless quarks This was first proposed by Weinberg in [14] and worked out in...
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Cooling and cooperative coupling of single atoms in an optical cavity
... model Single atoms and single photons in a box”, the modern perspective is to fully control light-matter interaction at the quantum level, e.g in applications such as quantum memories [4, 5], single ... implies choosing a reasonable detection time tdet (in our case to ms) and evaluating a single, time-independent variable, which is the photon number in a bin of size tbin = tdet Using the variable ... ] = + 1− D(ni , tbin ) i=j Tthe click data is binned with a bin size tbin tdet , τ with N = tdet /tbin bins {ni }, containing the number of detected photons In both equations in Eq (3.3) the first...
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Báo cáo toán học: " Facile synthesis of uniform large-sized InP nanocrystal quantum dots using tris(tert-butyldimethylsilyl)phosphine" pptx
... was introduced as a P precursor for InP synthesis by Peter Reiss's group [9] In the synthesis of high-quality InP or InP/ ZnS NQDs in terms of size uniformity and crystallinity, a choice of an indium ... spectra of InP NQDs (a) InP NQDs synthesized by varying the ratio of In and MA by 1:2.5, 1:3, and 1:3.5 using P(SiMe3)3; (b) InP NQDs synthesized at different reaction temperatures (In/ MA = 1:3); ... temperature of the growth solution of InP was lowered after a 10-min growth to 200°C Thirty milligrams of ZDC, ml of TOP, and ml of OLA were added to ml of ODE in nitrogen atmosphere After injection,...
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Báo cáo hóa học: " Electromodulated reflectance study of self-assembled Ge/Si quantum dots" pptx
... included into the problem The band diagram for the three lowest interband transitions is shown in Figure Due to the tensile strain, the sixfold-degenerate conduction-band minimum at the Δ point ... [8] The Gaussian line-shape analysis is appropriate for the inhomogeneous broadening related to the size fluctuations in ensemble of QDs A typical curve fit is demonstrated in Figure 3b (a) UB=1.5 ... Schematic cross section of the QD device used to make photocur-rent and ER measurements The structure is that of a p-i-n diode with 20 layers of Ge QDs in the depleted intrinsic region (b) no Ge...
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báo cáo hóa học:" Facile synthesis of uniform large-sized InP nanocrystal quantum dots using tris(tert-butyldimethylsilyl)phosphine" pdf
... was introduced as a P precursor for InP synthesis by Peter Reiss's group [9] In the synthesis of high-quality InP or InP/ ZnS NQDs in terms of size uniformity and crystallinity, a choice of an indium ... spectra of InP NQDs (a) InP NQDs synthesized by varying the ratio of In and MA by 1:2.5, 1:3, and 1:3.5 using P(SiMe3)3; (b) InP NQDs synthesized at different reaction temperatures (In/ MA = 1:3); ... temperature of the growth solution of InP was lowered after a 10-min growth to 200°C Thirty milligrams of ZDC, ml of TOP, and ml of OLA were added to ml of ODE in nitrogen atmosphere After injection,...
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Báo cáo hóa học: " Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method" pot
... showed in the EDS pattern were corresponding to the capping agent of MPA The TEM and HRTEM of CdTe/CdS/ZnS QDs synthesized with temperature of 200°C and flow rate of 1.5 L/min were shown in Fig ... were purchased from Beijing Chinese hamster ovary (CHO) cells were grown as a monolayer in a humidified incubator in a 95% air/5% CO2 atmosphere at 37°C in a dish containing DMEM 123 Nanoscale ... tube in the furnace only has a diameter of 30 mm, the flow rate is 1.5 L/min It is easy to improve the production rate using a larger diameter tube or increasing the flow rate Owing to its continuity,...
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Multiphoton absorption and multiphoton excited photoluminescence in transition metal doped znsezns quantum dots
... semiconductor quantum dots, ” (Invited) X B Feng, G C Xing, and W Ji, J Opt A 11, 024004 (2009) “Two- and three-photon absorption of semiconductor quantum dots in the vicinity of half of lowest exciton ... (1.9) The integration can be separated into the integration of the fast oscillating Bloch part and the integration of the envelope part The integration of the Bloch part results in the sizeindependent ... Chapter Introduction experimental results In the same year, Godlewski investigated the recombination processes in Cu-doped ZnSe single crystal by monitoring the Cu-green, Cu-red and infrared emission...
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Ultraviolet amplified spontaneous emission from self organized network of zinc oxide nanofibers
... fringes of the stem with the d spacing of 0.26 nm match the interspacing of (0002) planes of the wurtzite ZnO, while the lattice fringes of the branch nanofiber with the d spacing of 0.28 nm coincide ... nm (insert of Fig 4) and the output intensity increases rapidly with the increase of the pumping power It is estimated that the threshold of the ASE is about 300 kW/ cm2 It is worth mentioning ... spontaneous emission (ASE) has also been investigated in ZnO powders and patterned films with incoherent and coherent feedback in the gain media.20,21 In this letter, we shall also report observation of...
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Báo cáo y học: "Translational Medicine and Reliability of Single-Nucleotide Polymorphism Studies: Can We Believe in SNP Reports or Not"
... analysing a determined polymorphisms between the studies examining it within 1-3 polymorphisms versus studies examining the same polymorphism among more than polymorphism Since the distribution of ... available to orient them in a correct interpretation of potential misleading sources of literature-bias The existence of such type of bias in genetic association studies might lead to incorrect 497 conclusions ... the usefulness of certain polymorphisms as prognostic genetic markers It may also have direct impact in medical research by guiding researchers and funding sources in investigating insignificant...
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Tài liệu Báo cáo khoa học: Altered expression of CD1d molecules and lipid accumulation in the human hepatoma cell line HepG2 after iron loading pptx
... ferritin expression in nonpermeabilized (thin lines, – saponin) and permeabilized cells (thick lines, + saponin) cells cultured without and with iron as indicated (D) Perls’ staining of cytospins of ... impact in protein integrity, as indicated by an increase in protein-bound acrolein adducts at the cell surface, which point to acrolein-adducts as a reliable marker of lipid peroxidation also in ... CD1d molecules are expressed mainly in the cytoplasm [21] Herein we have shown that iron loading of HepG2 cells, a hepatocytic cell line, resulted in increased cell surface expression of CD1d molecules...
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Comparison of the obstetric anesthesia activity index with total delivery numbers as a single denominator of workload demand in Israeli maternity units doc
... a single workload denominator Competing interests There are no competing interests declared for any author Author information Yehuda Ginosar is Senior Lecturer of Anesthesia and Director of ... Comparison of the obstetric anesthesia activity index with total delivery numbers as a single denominator of workload demand in Israeli maternity units Yehuda Ginosar1*,† * Corresponding author ... comprising data taken from the annual numbers of epidurals and cesareans in each institution In this study, these data were selfreported by the local unit director for each individual institution...
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Báo cáo khoa học: A single mismatch in the DNA induces enhanced aggregation of MutS Hydrodynamic analyses of the protein-DNA complexes pot
... squelching action of DNA following protein binding However, interestingly, the protein regains a unique mode of aggregation even when bound to DNA following an enhancement in the concentration of ATP It ... MutH, thereby leading to a loop formation of the intervening DNA [20,21] Interestingly, additional studies from the proponents of this model hint at ATP binding in the absence of its hydrolysis ... presence of ATP hydrolysis ATP induced oligomerization of MutS Analysis of protein binding to DNA It is of note that the DNA duplex itself does not show sufficient scattering intensity in this...
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Pollution haven hypothesis and Environmental impacts of foreign direct investment: The Case of Industrial Emission of Sulfur Dioxide (SO2) in Chinese provinces doc
... XINJIANG INNER MO ANHUI SHANXI HUNAN QINGHAIJIANGXI HENAN NINGXIASHAANXI GUANGXI Sichuan+ YUNNAN GANSU 1709.91 GUIZHOU BEIJING HUNAN HUBEI HENAN YUNNAN JILIN JIANGXI HEILONGJ ANHUI QINGHAI hainan ... B C: A A A NINGXIA 29.9789 9? $9= @ 87 C; : EF BEIJING TIANJIN HEBEI SHANDONG GUIZHOU SHAANXI LIAONING GUANGXI GUANGDON JIANGSU Sichuan+ GANSU ZHEJIANG FUJIAN GUANGDON XINJIANG JILIN HUBEI HEILONGJ ... TIANJIN SHANGAI SHANGAI HEBEI GUIZHOU SHAANXI GUANGXI Sichuan+ GANSU SHANDONG JIANGSU LIAONING BEIJING JIANGSU ZHEJIANG GUANGDON XINJIANG HUNAN HENAN HUBEI JILIN YUNNAN JIANGXI HEILONGJ ANHUI QINGHAI...
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Báo cáo khoa học: Structural and functional consequences of single amino acid substitutions in the pyrimidine base binding pocket of Escherichia coli CMP kinase pdf
... contribution of these amino acids interacting with the pyrimidine ring to the catalysis of E coli CMP kinase Substitution of the side chain from a well-structured protein can have two types of consequence: ... different time intervals, aliquots were withdrawn and diluted in buffer containing 10 lgặmL)1 of soybean trypsin inhibitor The rst-order rate constant of inactivation of CMP kinase by TPCK-trypsin was ... proportion of dimers were formed, even in the case of the wild-type protein as indicated by ESI-MS or SDS PAGE in the absence of reducing agents The proportion of dimers increased notably in D132A...
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