5 4d thiazole moiety synthesis and properties

... adenosine 5 -tetraphosphate (p4A or ppppA) [1 5] and adenosine 5 -pentaphosphate (p5A or pppppA) [2], and the dinucleoside 5 ,5 ¢¢-P1,Pn-polyphosphates (NpnN¢s, where N and N¢ are 5 -O-nucleosides and ... Biochem J 357 , 399–4 05 37 Guranowski A, Jakubowski H & Holler E (1983) Catabolism of diadenosine 5 ,5 ¢¢-P1,P4-tetraphosphate in prokaryotes; purification and properties of diadenosine 5 ,5 ¢¢-P1,P4-tetraphosphate ... Chem 260, 155 66– 155 70 Coste H, Brevet A, Plateau P & Blanquet S (1987) Nonadenylated bis (5 -nucleosidyl) tetraphosphates occur in Saccharomyces cerevisiae and in Escherichia coli and accumulate...

Ngày tải lên: 16/03/2014, 14:20

... Zhu, and F Zhuge, Mater Lett 59 , 56 0 (20 05) 58 Q Wan, K Yu, T H Wang, and C L Lin, Appl Phys Lett 83, 2 253 (2003) 59 Q H Li, Q Wan, Y J Chen, T H Wang, H B Jia, and D P Yu, Appl Phys Lett 85, 636 ... (2003) 55 Y Dai, Y Zhang, and Z L Wang, Solid State Commun 126, 629 (2003) 56 Y H Leung, A B Djurišić, J Gao, M H Xie, Z F Wei, S J Xu, and W K Chan, Chem Phys Lett 3 85, 155 (2004) 21 57 F Z ... 10ppm 25ppm 50 ppm 10 -5 Sensitivity (%) I (nA) (a) Vg= V -10 60 45 30 15 -2 - 15 -0.4 -0.2 0.0 Vds (V) Vg (V) 0.2 0.4 (b) 600 10 ppm NO2 I (nA) 450 T = 300 K 300 150 Vg= V Vg= -60 V - 150 -200...

Ngày tải lên: 28/04/2014, 15:06

... 7 15 0 35 0 10 b 51 5 100 1 15 2 15 3203 15 600 420 4 15 a EXO 1348 350 oC 250 oC 25 30 35 40 45 2θ ( °) 50 55 60 65 f Fig a TGA and DSC curves of lead tellurite sample, b XRD spectra and c–f SEM images ... (eV) 10000 8000 6000 53 0.24 eV O 1S 55 00 50 00 53 2.09 eV 450 0 4000 4000 350 0 59 0 58 5 58 0 57 5 Binding energy (eV) which corresponds to O–H bonds The atomic composition of Pb, Te, and O is calculated ... hydroxyl, Nanoscale Res Lett (2010) 5: 1344–1 350 a 150 00 b Te 3d 5/ 2 Te 3d 3/2 9000 Pb 4f 7/2 Pb 4f 5/ 2 6000 Te 4d 3000 O 2s 6000 138.67 eV Pb 4f 143 .57 eV O 1s Pb 4d 5/ 2 Pb 4d 3/2 C 1s Intensity (CPS)...

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 13/11/2014, 09:31

... 5. 1-14 5. 1.2.6 Photoreactivity of [Zn2(bdc)2(4spy)2] 0.5MeOH 5. 1-17 5. 1.2.7 Photoluminescence studies 5. 1-19 Summary 5. 1-22 5. 1.3 VIII 5. 1.4 Experimental details 5. 1-23 5. 1 .5 References 5. 1-26 ... Reactions 5. 1.1 Introduction 5. 1-3 5. 1.2 Results and discussion 5. 1 -5 5.1.2.1 Structural description of [Zn2(bdc)2(4vpy)2] (V-1) 5. 1 -5 5.1.2.2 Structural description of [Zn2(bdc)2(2F-4spy)2]⋅MeOH 5. 1-8 ... Figure 5. 1- 19 Photoluminescence spectra of 4spy, V-1.4 and V-1 .5 5.1-22 Figure 5. 2-1 Disorder present in cca ligand shows the 5. 2-4 isostructurality between cca and ndc ligands Figure 5. 2-2 Perspective...

Ngày tải lên: 09/09/2015, 11:15

... 77, 4 25 433 53 Y.-Q Tian, Z.-X Chen, L.-H Weng, H.-B Guo, S Gao and D Y Zhao, Inorg Chem., 2004, 43, 4631–46 35 54 N Stock, K Karaghiosoff and T Bein, Z Anorg Allg Chem., 2004, 630, 253 5– 254 0 55 B ... Prince and M M Turnbull, J Coord Chem., 1997, 41, 339–3 45 56 S Drumel, P Janvier, D Deniaud and B Bujoli, J Chem Soc., Chem Commun., 19 95, 1 051 –1 052 57 K.-M Park, M Hashimoto, T Kitazawa and T ... 16078–16087 151 L Sun, H Xing, Z Liang, J Yu and R Xu, Chem Commun., 2013, 49, 11 155 –11 157 152 O Shekhah, A Cadiau and M Eddaoudi, CrystEngComm, 20 15, DOI: 10.1039/C4CE01402B Chem Soc Rev., 20 15, 44,...

Ngày tải lên: 30/11/2016, 22:25

... d 25. 65 p.p.m ESMS found (M+) 56 3.2469 calculated for C35H36O3N2P (M+) 56 3.2 458 H (300 MHz) and 31P (121 MHz) NMR spectra were recorded on a Varian Unity 300 spectrometer in chloroform-d1 standardized ... argon laser and fluorescence detected using a HQ5 15/ 30 filter The argon laser was then turned off and Alexafluor 54 6 was illuminated with a 54 3-nm neon laser and fluorescence detected using a 57 0LP filter ... Wallace, D.C (1999) Mitochondrial diseases in man and mouse Science 283, 1482–1488 Schon, E.A (2000) Mitochondrial genetics and disease TIBS 25, 55 5 56 0 Michikawa, Y., Mazzucchelli, F., Bresolin,...

Ngày tải lên: 20/02/2014, 11:20

... nanorods; 25 ( nm (short), 75 ( 20 nm (medium), and 130 ( 30 nm (long) The strongest PL emission peaks appear at 3.60 eV (344 nm), 3 .56 eV (348 nm), 3 .55 eV (349 nm) for short ( 25 ( nm), medium ( 75 ( ... caused little effects on the lengths of nanorods Figure TEM micrographs of (a) ( 0 .5 nm × 25 ( nm and (b) ( 1 .5 nm × 130 ( 30 nm tungsten oxide nanorods Little is known about the photoluminescence ... localized states in the band gap due to impurities.22b In light of these assignments, we suggest that the UV emission of nanorod samples in this work might correspond to the band-toband transition The...

Ngày tải lên: 20/03/2014, 13:08

... 0. 15 6000 4000 40 (53 1) 45 70 75 80 85 90 (10 2) ( 953 ) (844) (860) (862) ( 951 ) (931) 65 (840) (842) 60 (820) (822) (662) 55 (640) 50 (800) 35 x = 0.12 (642) 30 (444) 25 (600) (620) 20 (440) NaZn13 ... 0. 15 Bi2Te3 [8] Fe3Se4 [9] FeCr2Se4 [9] a (Å) 11. 451 3 11 .54 87 11.4471 - TC (K) 200 220 232 - α (µV/K) -5. 5 -5. 6 -5. 6 220 -5. 0 128 ρ (µΩ cm) 146.4 150 .0 159 .0 1000 700 10000 κ (W/K m) 7.44 7 .51 ... the ferromagnetic and paramagnetic states is 27 % and 18% for x = 0.12 and 0.14, respectively Finally, the thermal conductivity (κ) of La(Fe1-xSix)13 (x = 0.12, 0.14 and 0. 15) compounds is shown...

Ngày tải lên: 28/03/2014, 13:20

... Actuators B Chem 1 15 (2006) 481–487 [5] J.Q Xu, Y.P Chen, D.Y Chen, J.N Shen, Hydrothermal synthesis and gas sensing characters of ZnO nanorods, Sens Actuators B Chem 113 (2006) 52 6 53 1 [6] S.Y Wang, ... single-crystalline hematite rhombohedra and subsequent conversion into monodisperse aggregates of magnetic nanocomposites of iron and magnetite, Chem Mater 18 (2006) 52 89 52 95 [ 25] K He, C.Y Xu, L Zhen, W.Z ... hollow sea urchin-like nanostructure-based sensor is 5 8, 17 50 , 8–18, 5 10 and 7–21 s towards ammonia, formaldehyde, triethylamine, acetone and ethanol, respectively The recovery time (taken as...

Ngày tải lên: 05/05/2014, 15:26

... temperatures Temperature ( oC) 0,9 – 1, 25 950 45 0,9 ± 0, 05 850 given Diameter range 750 are ranges 1,00 – 1,40 Table 2-1: Diameter range versus temperature 45 46 The CoMoCat catalyst has a high ... metal catalyst islands 50 ,51 ,52 SWNTs are grown on these metal islands in the same manner as in laser ablation and arc discharge These metal catalyst islands can be made in 50 three ways The metal ... gas phase was stable and had a relatively large band gap As is the case with numerous, important scientific discoveries, fullerenes were accidentally discovered In 19 85, Kroto and Smalley found...

Ngày tải lên: 28/05/2014, 15:03

... Absorbance (a u.) 1 .5 1.0 Gold 9/1 3/1 1/1 1/3 1/9 Silver SPR (nm) 52 3 52 3 52 0 50 9 421 416 0 .5 SPR peak position (nm) 55 0 Au / Ag 50 0 450 400 0.0 350 400 450 50 0 55 0 600 650 700 750 Wavelength (nm) ... Sastry, and R Kumar, “Extracellular Biosynthesis of Bimetallic Au-Ag Alloy Nanoparticles”, Small, Vol 1, pp 51 7 -52 0, 20 05 [ 25 P Raveendran, J Fu, and S L Wallen, “A simple and green method for the synthesis ... 422 419 600 650 0 .5 0.0 350 400 450 50 0 55 0 700 Wavelength (nm) Figure Calculated optical absorption spectra for Au-Ag bimetallic colloidal solutions with different molar ratios of Au and Ag Conclusions...

Ngày tải lên: 04/06/2014, 15:20

... Biological Approach to Nanoparticle synthesis, Nano lett (2001 )51 5 [ 25] A.Ahmad, P Mukherjee, S.Senapati, D Mandal, M.IKhan, R.Kumar and M.Sastry, Extracellular biosynthesis of silver nanoparticles ... hình cầu kích thước từ 10 ÷ 50 nm, phân bố không đều, có tượng dính tụ Hàm lượng AgNO3 6% so với PVA, hạt nano Ag có hình cầu kích thước từ 10 ÷ 50 nm kết dính lại với  25 KẾT QUẢ Kết chụp phổ UV ... Guozhong Wu and Shimou Chen, Preparation ofoligochitosan stabilized silver nanoparticle by gamma irradiation, Radiation Physics and Chemistry 76 (2007) 1126 – 1131 [23] T.Tsuji, T Kakita and M Tsuzi,...

Ngày tải lên: 10/06/2014, 22:21

... nanowires: Optical properties and room-temperature ferromagnetism J Appl Phys 2010, 108:04 351 6 doi:10.1186/ 155 6-276X-6 -58 7 Cite this article as: Zhang et al.: Synthesis and magnetic properties of ... Letters 2011, 6 :58 7 http://www.nanoscalereslett.com/content/6/1 /58 7 Page of Figure TEM and HRTEM images of Zn0.995Zr0.005O Nps (a) The representative TEM image of Zn0.995Zr0.005O and the inset ... measurements and data analysis, and drafted the manuscript DG and DX made the conception and design of the manuscript ZZ2 carried out the XPS measurements and data analysis JLZ and ZZ1 participated...

Ngày tải lên: 20/06/2014, 22:20

... 6:2 85 http://www.nanoscalereslett.com/content/6/1/2 85 Page of Cu a 1 .59 0 Intensity (a.u.) Co a PSC NC 1 .58 5 Co M (emu) 1 .58 0 Co Cu 1 .57 5 1 .57 0 C Cu 1 .56 5 1 .56 0 100 10 200 300 400 T (K) 15 Energy ... 355 .8 and 93.6 Oe, respectively, for NCs and PSC, saturation magnetizations (Ms) of 1 25. 7 and 162 .5 emu/g, respectively, for NCs and PSC, and remnant magnetization (M r ) up to 46.6, and 4 .5 ... 100 10 200 300 400 T (K) 15 Energy (KeV) 50 0 600 700 800 200 b 150 M(emu/g) 100 50 Ms, Mr, Hc 162 .50 , 4 .5, 93.6(PSC) 1 25. 7, 46.6, 355 .8(NCs) -50 -100 - 150 -200 -6000 -4000 -2000 2000 4000 6000...

Ngày tải lên: 21/06/2014, 04:20

... b a 4000 350 0 3000 250 0 2000 150 0 1000 50 0 1180 1008 10 35 a 1126 1200 1 150 -1 c 1000 d 70 0. 15 60 dV/dD Quantity adsorbed (cm3/g STP) 1 050 Wavenumbers (cm ) 0.20 80 50 40 0.10 30 0. 05 20 10 0.00 ... onto the surface of Fe3O4 and a-Fe2O3 nanorods results in the broadening of the peak [16] Fe3O4-Au Fe2O3-Au -1 57 0cm -1 53 0cm -1 447cm 850 800 750 700 650 600 55 0 50 0 450 400 Wavenumbers (cm-1 ... Nanoscale Res Lett (2010) 5: 1 755 –1761 It can be seen that all diffraction peaks can be assigned to tetragonal FeOOH (JCPDS no 75- 159 4) and Au (JCPDS no 65- 2870), indicating the synthesis of pure FeOOH–Au...

Ngày tải lên: 21/06/2014, 07:20

... Lett 5, 1367 (20 05) Q.L Li, S.M Koo, M.D Edelstein, J.S Suehle, C.A Richter, Nanotechnology 18, 3 152 02 (2007) S.M Koo, Q.L Li, M.D Edelstein, C.A Richter, E.M Vogel, Nano Lett 5, 251 9 (20 05) Z ... in the air and the PL spectrums in Fig 6a and b compose of two PL bands The peak fixed at 750 nm arises from the silicon nanostructure coated with a thin oxide layer, while the one at 850 nm should ... HNO3 treatment (1)– (5) in a and c correspond to the SiNWs etched for 60 with the H2O2 1827 concentrations of 0.1, 0.2, 0.3, 0.4 and 0 .5 M, respectively (1)– (5) in b and d correspond to the SiNWs...

Ngày tải lên: 21/06/2014, 08:20

Ngày tải lên: 21/06/2014, 08:20

... (No 107 751 09, 109 050 43), the Specialized Research Fund for the Doctoral Program of Higher Education (No 20070486069), Young Chenguang Project of Wuhan City (No 200 850 731371, 201 050 231 055 ), the ... the relative pressure (P/P0) of 0.99 35 and 0.9 957 was used to determine the pore volume and average pore size for annealing samples The starting materials and c-Fe2O3 SNTs both exhibit a type ... the presence of mesopores (2 50 nm) and the pore can be assumed as a cylindrical pore mode [ 25, 26] Nanoscale Res Lett (2010) 5: 1474–1479 1477 Fig XRD patterns (a) and ATR-FTIR spectra (b) of...

Ngày tải lên: 21/06/2014, 17:20

... Ms (emu/g) This work 5. 5 11 50 [9] 14.6 243 37 [10] [21] 20–30 15. 7 51 9 250 About 55 About 50 [24] 39 36 4.2 2–6 About 40 [12] [ 25] 40 40 [13] 30 [26] 30 Negligible 30 [27] 4–10 18 [28] The saturation ... The magnetic properties of the as-synthesized CoFe2O4 measured at different temperature Temperature (K) Ms (emu/g) Hc (Oe) Mr (emu/g) R (=Mr/Ms) 300 50 10 73.8 12 0 .5 0.01 14 ,55 0 50 .7 0.69 Fig ... of magnetic properties of the as-synthesized cobalt ferrites and the reported CoFe2O4 measured at room temperature Reference Particle size (nm) Hc (Oe) Ms (emu/g) This work 5. 5 11 50 [9] 14.6...

Ngày tải lên: 21/06/2014, 18:20