hence although kylie s choice of words may not appear funny her much wider and more creative range of emoticons compared to beiyie s aided in the performance of an expressive and fun personality her niceness was also fairly evident because even
... Photoemission (solid lines) and photoexcitation (dashed lines) spectra ofthe as-synthesized luminescent Au15@Ag NCs (b) and Au25@Ag NCs (c) (Insets) Digital photos ofthe as-synthesized luminescent ... Thiol-Etching of bi-MNPs for the Synthesis of Bi-MNCs Another strategy for synthesizing bi-MNCs is to use thiolate ligands as etchants to digest the relatively large-sized bi-MNPs This method relies ... ligands The lacking of studies in such aspects may largely affect the advances of bi-MNCs in biomedical applications There is therefore of significant interest in developing efficient synthesis...
... real part ofthe sum ofthe scattering coefficients anand bn, and are function of particle radius, and light wavelength λ (in terms ofthe Ricatti-Bessel functions) As the absorption band of noble ... properties [1-5] and subsequent technological applications such as catalysts, sensors, nanoelectronic devices [6-13] and biosensors [14] The properties andhencethe applicability of these nanoparticles ... 1/9) and their respective size distribution histograms are presented For the histograms, the size ofmore than 60 particles was measured The images reveal the formation of nearly spherical nanometric...
... particles of about 60.4 nm diameter (these diameters refer to spheres ofthe same volume as the spheroids have) The total increase in particle size comparedtothe initial situation inthe sample ... a factor of 3, but alsothe size distribution has become a little bit narrower and lost part of its asymmetry, and, what is the important issue in this result, shape and arrangement ofthe particles ... particles deviate from the previous isotropic appearance On the other hand the optical absorption remains fairly constant or even decreases indicating that the total amount of silver and gold does not...
... n s i màu: A T tr ng sang vàng C T xanh sang vàng B T l c sang vàng D Luôn có màu vàng Câu 65: H p kim c a vàng - b c - ng (50 - 87,5% Au ; 8,3 - 33,3%Ag ; 4,2 - 16,7%Cu) có ng d ng: A trang s ... hàn Câu 69: Vàng có th tan c dung d ch: A nư c cư ng toan, dd KCN C dd HCl,dd HNO3 B nư c cư ng toan, dd HNO3 D dd NaNO3 HCl, dd H2SO4 c nóng Câu 70: i n phân dd AuCl3 v i anot b ng Au , ngư i ta ... Ag 2S, c n dung thêm : A dd HNO3 c Zn C dd H2SO4 c nóng Zn B dd NaCN Zn D dd HCl Zn Câu 54: Vàng kim lo i ho t ng không tan axit k c HNO3 H2SO4 c nóng vàng tan dd nư c cư ng toan ch a: A H2SO4...
... n s i màu: A T tr ng sang vàng C T xanh sang vàng B T l c sang vàng D Luôn có màu vàng Câu 65: H p kim c a vàng - b c - ng (50 - 87,5% Au ; 8,3 - 33,3%Ag ; 4,2 - 16,7%Cu) có ng d ng: A trang s ... hàn Câu 69: Vàng có th tan c dung d ch: A nư c cư ng toan, dd KCN C dd HCl,dd HNO3 B nư c cư ng toan, dd HNO3 D dd NaNO3 HCl, dd H2SO4 c nóng Câu 70: i n phân dd AuCl3 v i anot b ng Au , ngư i ta ... Ag 2S, c n dung thêm : A dd HNO3 c Zn C dd H2SO4 c nóng Zn B dd NaCN Zn D dd HCl Zn Câu 54: Vàng kim lo i ho t ng không tan axit k c HNO3 H2SO4 c nóng vàng tan dd nư c cư ng toan ch a: A H2SO4...
... RRM domains and 2, and RRM domains and 4, respectively (Fig 3) The Fig Detection ofan AU-binding protein by UV crosslinking assay and identification as PABP (A) UV crosslinking assays were performed ... extracts wasalso seen Digestion ofthe crosslinked complexes with RNase A converted both bands to a single species migrating at 79 kDa, suggesting both bands are derived from the same protein ... results from binding to domains and 2, but that these domains not contribute muchtothe binding of AU-rich RNA In contrast, PABP34, containing just domains and 4, bound the AU4 RNA almost as...
... 1s2 2s2 2p6 3s2 3p6 4s2 3d3 B 1s2 2s2 2p6 3s2 3p63d5 C 1s2 2s2 2p6 3s2 3p63d6 D 1s2 2s2 2p6 3s2 3p63d6 4s2 2+ b Cấu hình electron X A 1s2 2s2 2p6 3s2 3p6 4s2 3d3 B 1s2 2s2 2p6 3s2 3p63d5 2 6 C 1s 2s 2p 3s 3p 3d D 1s 2s2 2p6 3s2 3p63d6 4s2 c Vị ... = 29), cấu hình electron nguyên tử đồng là: A 1s2 2s2 2p6 3s2 3p6 4s2 3d9 B 1s2 2s2 2p6 3s2 3p6 4s1 3d10 2 6 C 1s 2s 2p 3s 3p 3d 4s D 1s2 2s2 2p6 3s2 3p63d10 4s1 Câu 238: Phát biểu không vị trí đồng bảng tuần ... dung dịch axit H2SO4 đặc, nóng đến phản ứng xảy hoàn to n, thu dung dịch Y phần Fe không tan Chất tan có dung dịch Y A MgSO4 FeSO4 B MgSO4 C MgSO4 Fe2(SO4)3 D MgSO4, Fe2(SO4)3 FeSO4 Câu 107: Cho...
... fluorescence issues, the effects of surface, surface coatings, and plasmonic on the fluorescence ofthe UC nanoshells were systematically studied This thesis includes the followings: Synthesis of NaYF4:Yb,Er ... fluorescence ofthe NaYF4:Yb,Er nanoshells were investigated 1.6 Outline ofthe thesis The outline of this thesis is as follows: Synthesis and characterization of NaYF4:Yb,Er nanoshells andthe ... by the sensitizer to facilitate the energy transfer steps Doping concentration of lanthanide ions is also essential since it affects the distance between the dopant ions inthe hosts, assuming...
... 2.3 Assembly of Au-Ag nanoshells and UC nanoshells To study the plasmonic effects of Au-Ag nanoshells on fluorescence properties of UC nanoshells, single layer of Au-Ag nanoshells on glass substrates ... X-ray striking a sample is scattered by the atoms inthe sample The scattered intensity ofthe X-ray is collected as a function ofthe incident and scattered angle In this thesis, the crystal structures ... UC nanoshells was used to fabricate all the assemblies in this study The effects ofthe Au-Ag surface coverage on the fluorescence ofthe UC nanoshells were studied To investigate the distance-dependent...
... respectively In this study, these UC nanostructures were stabilized using the same surfactant (oleylamine) and dispersed in hexane Therefore, the significant decrease of emission intensity from the solid ... This explains the decrease ofthe emission intensity of UC nanoshells comparedto solid NaYF4 core/UC shell The solid UC nanoparticles showed the highest emission intensity since these particles ... temperatures and reaction time to understand the formation mechanism ofthe UC nanoshells During the synthesis process of 50 UC nanoshells, the samples of were collected from 300 to 340 oC and to...
... centrifugation and washing The composition ofthe Au measured by the EDX was similar tothe results determined by XPS Both the experimental results by the EDX and XPS analysis showing a sharp increase ofthe ... surface can decrease the surface energy ofthe system The de-alloying process of Ag in Au-Ag nanoshells would start by dissolution of Ag atoms at the surface ofthe nanoshells as the surface atoms have ... than the latter nanoshells Further, the surface energy of Ag is less than that of Au, which Ag more likely diffuses tothe surface of Au-Ag particles rather than Au as more Ag atoms at the surface...
... on the substrate were viewed from side ofthe nanoshells It assumed the interior cavity ofthe nanoshells was filled with toluene, which was used as a solvent in synthesis ofthe nanoshells as ... Au-Ag nanoshells lying down on the substrate were viewed from side ofthe nanoshells This assembly was used to study the plasmonic effects of Au-Ag nanoshells on the fluorescence of UC nanoshells ... distributed to cover the substrate surface and most ofthe nanoshells appeared to form a single layer on the substrate The nanoshells were closer with each other with increasing number of coating...
... to investigate the plasmonic effects of Au-Ag nanoshells on the fluorescence of UC nanoshells This study showed the fluorescence ofthe UC nanoshells was either enhanced or quenched by Au-Ag nanoshells, ... mechanism However, the diffusion of ions inthe host during the formation of such small nanoshells is not yet well-understood yet The diffusion of ions should be investigated in future study This ... nanoshells and Au-Ag nanoshells andthe concentration of Au-Ag nanoshells on the substrates However, the UC fluorescence quenching efficiency due to non-radiative losses to Au-Ag nanoshells was...
... GO sheets contain sp3 domains and sp2 domains With the increasing of sp2 domains, the nonradiative recombination also increased.24 Furthermore, becauseofthe complex energy band structures, ... Nengyue and Mr Polavarapu Lakshminarayana contributed a lot to this thesis I am also grateful to all the members of Ultrafast Spectroscopy for their kind support and assistance I am also thankful to ... melting/vaporization of surface atoms andthe expanded particles act as another type of scattering center and limit the light transmission during the laser pulse duration In this work, we have prepared oleylamine-capped...
... contamination These Au-Ag alloy NPs were used to fabricate nanostructure substrates for SERS measurements Rohdamine 6G was chosen as a tested analysis to investigate Raman scattering enhancement ... atoms and clusters The hot released atoms and clusters have a strong tendency to rapidly recombine into Au-Ag alloy particles on a nanosecond time scale [20] Also, single atoms or small clusters ... ofthe SERS substrate after some minutes SERS spectra were observed by Micro-Raman spectrophotometer (LabRAM HR) Results and discussion 3.1 Preparation of Ag, Au NPs and Au-Ag alloy NPs The absorption...
... plantations The decrease in monoterpene emissions in SC and GA was caused by a loss of several pine species from natural forests (from harvesting and succession, Fig 4), and by loss of slash pine (Pinus ... BVOC emissions: South Carolina and Georgia (SC and GA), andthe deep south (defined here as Alabama, Arkansas, Louisiana, and Mississippi) As Fig shows, in both cases the rapid increases in isoprene ... Appalachians andthe Pinelands ofthe southeastern coastal plain (Pines tend to emit monoterpenes) Between the mid-198 0s andthe mid-199 0s, there were systematic increases inthe basal area of both isoprene-...
... functions of sHSPs in muscles is their interaction with actin Many investigations [4,15] have been devoted to analyses of this interaction The most contradictory results were obtained in studies on the ... is much less than that of intact F-actin We suppose that this is the mechanism by which sHSPs prevent the aggregation of F-actin during its thermal denaturation In many respects, this mechanism ... phosphorylate sHSPs, and by this means might affect their oligomeric structure and chaperone activity [3,4,12] Expression of some sHSPs is increased in response to different kinds of injury, such...
... PPase possesses three types of metal-binding sites Type sites, of which there are two per monomer inthe absence of substrate, are found inthe active site cavity and are not involved in intersubunit ... out the involvement of type and type sites in Cd2+-induced aggregation by testing the effects of Mg2+ and Mn2+ Both of these divalent cations bind to type and sites, with dissociation constants ... effects of Cd2+, indicates that aggregation is caused by Cd2+ binding to sites other than types andThe lack of competition between Cd2+ andthe other metal ions in inducing aggregation suggested...
... verified the signaling pathway of AMPK-ER stress-induced cell death using compound c, as an AMPK inhibitor, and wortmannin, as a PI3 kinase inhibitor Inthe absence of adiponectin, thapsigargin and ... decreased insulin signaling and sensitivity [19] The effect of adiponectin, an antidiabetic adipokine, has also been suggested to involve the PI3 kinase ⁄ Akt signaling pathway, andthe ability of PI3 ... oxidative stress, or a second effect, in addition to hepatic steatosis and abnormal apoptosis [3] Hepatic apoptosis is present in patients with high calorie-induced hepatic steatosis and correlates with...
... proteins in salivary glands, showing that both triplatin-1 and -2 are indeed expressed there SDS ⁄ PAGE and western blot analysis indicated that triplatin-1 and -2 are major proteins of T infestans ... vessels of host animals It is likely that triplatin-1 and -2 are injected into the host during T infestans blood feeding and attenuate host hemostasis at the initial phase To date, some other inhibitors ... Biotechnology, Inc., Rockford, IL, USA) using bovine c-globulin as the standard Isolation and sequencing of cDNA clones Salivary glands of T infestans were dissected from thoraces of unfed adults, and poly...