1 h nmr spectra of common deuterated solvents
Báo cáo khoa học: Characterization of oligosaccharides from the chondroitin/dermatan sulfates 1 H-NMR and 13 C-NMR studies of reduced trisaccharides and hexasaccharides doc
... those marked with an asterisk (*) Residue Proton CS060606 (p.p.m.) DS040404 (p.p.m.) DUA (F) H1 H2 H3 H4 H1 H2 H3 H4 H5 H6 H6 ¢ NAc H1 H2 H3 H4 H5 H1 H2 H3 H4 H5 H6 H6 ¢ NAc H1 H2 H3 H4 H5 H1 H1 ¢ ... (C) H1 H2 H3 H4 H5 H6 H6 ¢ CH3 H1 H2 H3 H4 H5 H1 H1 ¢ H2 H3 H4 H5 H6 H6 ¢ CH3 4.558* 3. 917 * 3.743 3.988* 3.967* 4.24 4.24 2.056* 4.628* 3.480* 3.638 3.77 3.77 3.70 3.72 4.295 4.257 4.492* 4 .14 6* ... C4 C5 10 2.83 71. 54 67. 51 109. 41 147. 01 – 10 2.97 55.02 78.24 79.04 77. 41 63. 91 25.27 17 7.79 65. 61 74.58 73.04 82.89 76 .11 10 4.25 72.60 68.89 11 0 .11 14 7.62 17 2. 21 103.70 54 .12 82.50 70. 51 75.60...
Ngày tải lên: 16/03/2014, 14:20
Báo cáo khoa học: Structural function of C-terminal amidation of endomorphin Conformational comparison ofl-selective endomorphin-2 with its C-terminal free acid, studied by 1 H-NMR spectroscopy, molecular calculation, and X-ray crystallography pot
... 2 .19 1. 93 2. 01 2 .16 1. 87 1. 90 15 4 15 5 15 4 15 7 14 6 17 4 16 5 15 8 14 8 13 9 13 9 16 7 14 8 16 7 17 3 17 2 16 2 13 8 14 5 16 4 15 6 14 6 17 0 16 4 x,y,z x +1, y,z x +1, y,z 1- x,y +1 ⁄ 2,-z x,y,z x,y,z x,y,z x,y,z x -1, y,z ... Phe4 NH Phe4 NH Phe4 NH Phe4 NH Medium Weak Weak Medium Medium Tyr1 2, 6H Pro2 b1 Phe3 b2 Phe3 2, 6H Phe3 2, 6H Phe3 3, 5H Phe3 3, 5H Phe3 Phe3 Phe4 Phe4 Phe4 Phe4 Phe4 a 2, 6H 2, 6H 2, 6H 3, 5H a 2, 6H ... 2, 6H Phe3 3, 5H Phe3 3, 5H Phe3 Phe4 Phe4 Phe4 Phe4 Phe4 a a 3, 5H 2, 6H a 2, 6H Weak Weak Medium Medium Medium Medium trans EM2OH Pro2 b1 Pro2 c1 Phe3 b1 Phe3 b2 Phe3 Phe3 Phe4 Phe4 NH 2, 6H 2, 6H NH...
Ngày tải lên: 30/03/2014, 20:20
Báo cáo khoa học: Detergent-resistant membrane fractions contribute to the total 1 H NMR-visible lipid signal in cell potx
... of 18 :0, 18 :2 + 18 :3 and 18 :1 at the expense of 16 :0, 14 :0 and 16 :1, whereas there was a marked increase in the amount of 16 :0 and a decrease in the amount of 16 :1 and 17 :1 in the lipid droplet ... with
Ngày tải lên: 23/03/2014, 17:21
Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf
... CeHs NH CaH CbH CbHÂ NH CaH CbH CbHÂ NdH NH CaH CbH CcH3 NH CaH CbH CcH3 CcH3Â NH CaH CbH CbH CdHs CfH NH CaH CaHÂ NH CbH CbHÂ CdHs CeHs CfH NH CaH CbH CdHs CeHs CfH NH CaH CbHs CcH CeH3 CaH ... CbH CdH NH CaH CbH CdHs CeHs CfH NH CaH CbH CbHÂ CdHs CeHs OH NH CaH CbH3 NH CaH CbH CcH3 NH CaH CbH CbHÂ CcH CdH3 CdH3Â NH CaH CbH3 NH CaH CbH 8.50 5.04 3.90 3.60 8.50 11 .79 32. 51 9.60 5. 01 ... Protons Heme Heme His98(F8) dDSS(obs) [T1] 2-CH3 7-CH3 12 -CH3 18 -CH3 3-Ha 3-Hbs 8-Ha 8-Hbs 13 -Ha 13 -Hbs 17 -Has 17 -Hbs 5 -H 10 -H 15 -H 20 -H NH CaH CbH CbH NdH 6 .18 23.64 [88] 7.97 14 .10 [14 3] 12 .40 [18 2]...
Ngày tải lên: 23/03/2014, 17:22
nmr spectra of polymers and polymer additives
... the effect of chemical shift is TABLE I .1 NMR Properties of Selected Nuclei Nucleus Spin Natural abundance (%) Larmor frequency (MHz) 1H 1/ 2 19 F 1/ 2 10 0 94 .1 31P 1/ 2 10 0 40.5 13 C 1/ 2 1. 11 25 .1 ... II-A -15 Poly(ethylene-co -1- pentene) II-A -16 Poly(ethylene-co -1- hexene) [~5 %H] II-A -17 Poly(ethylene-co -1- hexene) [~0 .1% H] II-A -18 Poly(ethylene-co -1- hexene) [~0 .1% H] , Cr-catalyzed II-A -18 H Poly(ethylene-co -1- hexene) ... II.2 1H NMR Chemical Shifts for Some Ethylene Copolymers Polymer H1 H2 H3 H4 H5 H6 H7 Poly(ethylene-co-vinyl acetate) 5.40 1. 50 1. 29 1. 90 — — — Poly(ethylene-co-acrylic acid) 2.38 1. 62 1. 27 9.55...
Ngày tải lên: 01/06/2014, 10:11
Longman Dictionary of Common Errors_ Part 1
... quickly, there is a word in heavy type at the top of each page The word at the top of a left-hand page is the name of the first entry; the word at the top of a right-hand page is the name of the last ... word that has been used incorrectly and tells you which word should have been used subconscious Shows that there is more information at the explanation of the entry for LIFE The driver of the car ... you are iH or have been' hit on the head: 'The' cleaner found himJying unconscious on the bathroom floor:- subject Here, the word which has been used incorrectly is directly next to the word succeed...
Ngày tải lên: 18/10/2013, 17:15
Longman Dictionarry of Common Errors_ part 2.1
... size.' character X ,/ back to the shop and changed it with another sth for sth: 'I'd like to change this shirt for a smaller She has that rare character - the ability She has that rare characteristic ... unpacked my clothes He had grown so much that his clothing didn't fit him He had grown so much that his clothes didn't fit him Use clothing when you are thinking about clothes in general: The population ... certificate of health' voucher = a kind of ticket that can be used instead of money: 'a gift/luncheon/travel voucher' During the flight she sat on the chair behind me During the flight she sat in the...
Ngày tải lên: 22/10/2013, 15:15
Báo cáo khoa học: NMR investigations of subunit c of the ATP synthase from Propionigenium modestum in chloroform/methanol/water (4 : 4 : 1) pot
... resonances of aliphatic side chains were achieved by 3D 15 N-resolved [ 1H, 1H] -TOCSY and 3D 15 Nresolved [ 1H, 1H] -NOESY Furthermore, homonuclear 2D [ 1H, 1H] -TOCSY and 2D [ 1H, 1H] -NOESY spectra were ... C-resolved HCCH-TOCSY (sm ¼ 14 ms) [29], 3D 15 N-resolved [ 1H, 1H] -NOESY (sm ¼ 60 ms) [30], 3D 13 Cresolved [ 1H, 1H] -NOESY (sm ¼ 60 ms) [ 31] , and 3D 13 Cresolved [ 1H, 1H] -NOESY (sm ¼ 15 0 ms) Spectra ... Am Chem Soc 11 1, 15 15 15 17 Bax, A., Clore, G.M & Gronenborn, A.M (19 90) 1H- 1H correlation via isotropic mixing of 13 C magnetization, a new threedimensional approach for assigning 1H and 13 C spectra...
Ngày tải lên: 08/03/2014, 10:20
Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot
... GalNAc :H1 Gal :H2 Gal :H2 4.79 1. 79 3.77 4.79 3.53 3.53 10 ThrcCH3 12 AlaaH 10 ThrcCH3 10 ThrbH 11 AlaßCH3 12 AlaaH 0.98 4.07 0.98 4.04 1. 09 4.07 anomeric proton of Gal, which identified that the Gal ... Disaccharide: Gal-GalNAc Proton ( 1H) GalNAc :H1 GalNAc :H3 GalNAc :H3 Gal :H1 Gal :H1 Gal :H2 GalNAc:CH3 GalNAc:CH3 GalNAc:CH3 4.79 3.77 3.77 4.82 4.82 3.53 1. 79 1. 79 1. 79 GalNAc :H2 GalNAc :H2 Gal :H1 Gal :H2 ... increments in t1 and spectral widths of 8000 Hz and 17 5 91 Hz in the 1H and 13 C dimensions, respectively A total of 256 summed scans were collected with a relaxation delay of 1. 3 s All 1H and 1H -13 C correlation...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: Solution structure of long neurotoxin NTX-1 from the venom of Naja naja oxiana by 2D-NMR spectroscopy pot
... Saenger, W (19 91) The refined crystal structure of a-cobratoxin 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ˚ from Naja naja siamensis at the 2.4 A resolution J Biol Chem 266, 215 30– 215 36 Dewan, ... ones, although the length of loop I is longer in short neurotoxins The NMR structure of NTX -1 is closest to that of the a-cobratoxin crystal The superposition of these two ˚ structures shows an ... that although this group of structures has a typical three-finger shape, they have subtle differences with each other The NMR structure reveals some minor conformational changes that might be very...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo Y học: NMR structure of the HIV-1 regulatory protein Vpr in H2O/trifluoroethanol Comparison with the Vpr N-terminal (1–51) and C-terminal (52–96) domains pot
... that this a helix is stabilized by COi-NHi+4 hydrogen bonds throughout the (17 –33) segment of the molecule The second a helix, residues His40 to Glu48, also has amphipathic properties as the hydrophilic ... side, and the second and the third helices on the other side 2. 6H Tyr50 3. 5H Tyr50 2. 6H Tyr50 3. 5H Tyr50 2. 6H Tyr50 3. 5H Tyr50 2. 6H Tyr50 3. 5H Tyr50 2. 6H Tyr50 3. 5H Tyr50 b1 Tyr50 b2 Tyr50 b1 Tyr50 ... properties as the hydrophilic side chains of Ser 41, Gln44 and Glu48 are located on one side of the helix while the hydrophobic side chains of Leu42, Ile46 are on the other (Fig 7II) This helical conformation...
Ngày tải lên: 31/03/2014, 23:20
Wide Spectra of Quality Control Part 1 pdf
... 1 ≥ 0 .1 ≥ 0. 01 ≥ 0.0 01 ≥ 0.00 01 ≥ 0.000 01 ≥ 0.0000 01 ≥ 0.00000 01 Analyte ratio 10 -1 10 -2 10 -3 10 -4 10 -5 10 -6 10 -7 10 -8 10 -9 Unit 10 0% 10 % 1% 0 .1% 10 0 ppm 10 ppm ppm 10 0 ppb 10 ppb ppb ... After this work has been published by InTech, authors have the right to republish it, in whole or part, in any publication of which they are the author, and to make other personal use of the work ... heights 10 to 20 times higher than the baseline noise If the required precision of the method at the limit of quantitation has been specified, the EURACHEM approach can be used A number of samples...
Ngày tải lên: 19/06/2014, 08:20
Báo cáo y học: " Role of common human TRIM5α variants in HIV-1 disease progression" ppsx
... Siamang Rhesus monkey African Green Monkey Tamarin H H H H H H H H H H H R136Q R R R Q Q Q Q Q Q Q E G249D G G G G G G G G G G G 49 45 30 25 20 15 10 50 0.50 H 419 Y H H H H H H H H H H S Figure of common ... 0 .11 0.35 0.08 Aminoacid change H4 3Y R136Q G249D 0.45 0.05 H 419 Y H2 H3 H4 H5 H6 H7 H8 H9 H1 0 0. 01 0.08 0.34
Ngày tải lên: 13/08/2014, 09:20
NMR study of the human NCK2 SH3 domains structure determination, binding diversity, folding and amyloidogenesis 1
... properties of the hNck2 SH3 domains 1. 5.2 Secondary structure transition study of hNck2 SH3 -1 domain The unfolding of SH3 -1 induced by the pH change and transition from the β-sheet dominant to the helical ... interaction was shown to be mediated via PxxP motifs in the N-terminal of Wrch1 to the second and third SH3 domains of Nck2 Wrch1, which belongs to the Cdc42 subfamily, was one of the least characterised ... dynamics of folded and denatured states through measurements of 15 N NMR relaxation parameters The results showed that the levels of dynamics in the Fexch state of the domain were typical of those...
Ngày tải lên: 14/09/2015, 14:09
Organic structures from 2d NMR spectra l d field, h l li and a m magill
... between the methylene and methyl protons (3JHH = Hz) Figure 2 -13 20 1H NMR spectrum of fluoroethane (300 MHz): 2JHF = 47 Hz, 3JHF = 25 Hz Each of the 1H resonances shows multiplicity due to 1H 1H coupling ... combination of H 1 H COSY and H 13 C me-HSQC spectra 40 3 .11 H 13 C HMBC spectrum of 1- bromo-2-chlorobenzene (400 MHz, CDCl3 ) 41 3 .12 H 13 C HSQC and HMBC spectra of iodobenzene (600 MHz, CDCl3 ... (MHz) at 9.395 T NMR Frequency (MHz) at 18 .79 T H 200.0 400.0 800.0 H 30.7 61. 4 12 2.8 10 B 21. 5 43.0 86.0 11 B 64.2 12 8.3 256.6 13 C 50.3 10 0.6 2 01. 1 14 N 14 .4 28.9 57.8 15 N 20.3 40.5 81. 0 17 ...
Ngày tải lên: 02/12/2016, 12:53
Kiểm tra Anh 8 số 1(H)
... T or F _1 She used to live on a farm _ She had to help her teacher _ Nga used to look after her younger brothers and sisters _ Her Great-grandfather used to ... He / enough / old / driver car / He / see / himself / mirror / You / ought / study hard / ***the end*** Teacher: Tran Quang Hien English test ... farm When I was a young girl Nga: What was life like then? Grandma: I didn't go to school because I had to stay home and help my Mom I used to look after my younger brothers and sisters Nga: What...
Ngày tải lên: 07/07/2013, 01:28
kiem tra chương 1 h học 8 có ma trận
... 3 H nh thang có hai cạnh bên h nh thang cân Trong h nh chữ nhật , giao điểm hai đường chéo cách bốn đỉnh h nh chữ nhật Bài 2: a) Một h nh vuông có cạnh 4cm Đường chéo h nh vuông bằng: ... Đường chéo h nh vuông có cạnh 6cm Cạnh h nh vuông bằng: A/ 8cm B 18 cm C 4cm D 18 II/ TỰ LUẬN: Bài 1: Cho tam giác ABC vuông A có AB = 4cm, AC = 3cm a) Chứng minh AKNH h nh chữ nhật (2đ) b) Tính trung ... Từ (1) (2) => Tứ giác EKHA h nh bình h nh (0,5đ) d) (1 ) Chứng minh AE = AF (0,25đ) Chứng minh E, A, F thẳng h ng Suy E F đối xứng qua A III/ THỐNG KÊ: IV/ NHẬN XÉT ĐÁNH GIÁ (0,5đ) (0,25đ) ...
Ngày tải lên: 14/10/2013, 04:11
Longman Dictionarry of Common Errors_ Part 2
... matter which job) When he asked if he could use the telephone, he was told that the family didn't have any When he asked if he could use the telephone, he was told that the family didn't have one ... was X They ,/ They asked him what he would like to When the object of the sentence is a wh- clause, the subject and the asked me what was the time him what would he like to verb in the wh- clause ... in the past, use a month later, three months later, etc: 'Six months later they got married.' X ,/ After 19 61 the consumption of cheese has increased each year Since 19 61 the consumption of cheese...
Ngày tải lên: 18/10/2013, 17:15