ライフサイエンスコーパス: 13C NMR

1 13C NMR analyses indicated that partially purified GTFs

2 13C NMR analyses of unlabeled and perdeuterated PEOs rec

3 13C NMR analysis offers the advantages of minimal sample

4 13C NMR and [2-13C]glucose were used to determine the ki

5 13C NMR and Mn(II) EPR have been used to probe the activ

6 13C NMR and stopped-flow kinetic experiments reveal that

7 13C NMR chemical shift assignments for 1,2-C60H2 (1) and

8 13C NMR experiments with [2-13C]glycine and unlabeled fo

9 13C NMR isotopomer analysis is a powerful method for mea

10 13C NMR measurements show that the salt bridges form in

11 13C NMR multiplet relaxation was used to characterize th

12 13C NMR of a protein selectively labeled with [13Cdelta]

13 13C NMR signals were assigned to specific carbons based

14 13C NMR spectra at about -180 degrees C show that degene

15 13C NMR spectra were resolved into mixtures of model com

16 13C NMR spectroscopic data (chemical shift and spin-latt

17 13C NMR spectroscopic studies have been conducted with t

18 13C NMR spectroscopy shows that the n-alkene and n-alkan

19 13C NMR spectroscopy was used to assess flux rates of he

20 13C-NMR relaxation experiments (T(1), T(2), T(1)(rho), a

21 13C-NMR spectroscopy in the Pfr and Pr states indicated

22 13C-NMR spectroscopy of stearic acid and oleic acid as w

23 erature-jump methods to develop a new 2D 13C-13C NMR experiment that yields a factor of 100-170 incre

24 ic sites and two-dimensional 15N-13C and 13C-13C NMR spectra of samples that are uniformly 15N- and 1

25 The data include (1) two-dimensional 13C-13C NMR spectra that indicate internal quaternary contac

26 heless, two-dimensional (2D) solid state 13C-13C NMR spectra of Rev filament and Rev-RNA coassembly s

27 ains of I31 and G37; (2) two-dimensional 15N-13C NMR spectra that indicate external quaternary contac

28 ions of the precursors were determined by 1D 13C-NMR, 2D 13C-DQF-COSY, and inverse triple-quantum cor

29 ce that are not seen in one-dimensional (1D) 13C NMR spectra of the same samples taken in 12 h.

30 region of two-dimensional heteronuclear 1H, 13C NMR spectra of natural organic matter and related ma

31 Two-dimensional 1H-13C NMR experiments are used to measure the protonation

32 quid secondary-ion mass spectrometry, and 1H/13C NMR spectroscopy.

33 1H and 13C NMR, two-dimensional 1H/1H and 1H/13C NMR, fast atom bombardment-mass spectrometry, gas ch

34 Detection using either 1D or 2D 13C NMR experiments produces highly resolved spectra wit

35 The 4-13C NMR chemical shifts revealed the following: The 4-13

36 Typical high-resolution natural-abundance 13C NMR experiments require milligrams of material.

37 an activated complex, and natural-abundance 13C NMR kinetic isotope effect (KIE) studies have determ

38 -mediated insulin secretion, we have adapted 13C NMR and isotopomer methods to measure influx of meta

39 In addition, 13C NMR shifts obtained with the GIAO procedure using th

40 These results open up the way to analyzing 13C NMR chemical shifts, tautomer states (from Cdelta2,

41 show good linear correlation between 11B and 13C NMR chemical shifts, which indicates that the same f

42 was achieved by low-temperature 1H, 15N, and 13C NMR from FSO3H-SbF5-SO2ClF solutions.

43 diates could be routinely analyzed by 1H and 13C NMR and by mass spectrometry.

44 of two active components (4 and 5) by 1H and 13C NMR and mass spectrometry.

45 Comparison of the 1H and 13C NMR and optical rotation data of the resulting isome

46 Specifically, the 1H and 13C NMR assignments are inconsistent with an N-terminal

47 roxymugineic acid, for which complete 1H and 13C NMR assignments were obtained.

48 The isotropic 1H and 13C NMR chemical shifts of the DFT-optimized structures

49 uctural investigations in solution by 1H and 13C NMR clearly showed scalar coupling of fluorine with

50 permitted the first detailed combined 1H and 13C NMR examination of the primary keratan sulfate polym

51 ium mixtures have been measured using 1H and 13C NMR experiments.

52 ons were found at low temperatures by 1H and 13C NMR for both formic acid and an adduct with hexafluo

53 d in bilayers were investigated using 1H and 13C NMR in solution and in the solid state.

54 Partial 1H and 13C NMR signal assignments for residues within the intac

55 1H and 13C NMR spectra and analysis by mass spectroscopy were c

56 Low-temperature 1H and 13C NMR spectra of formic acid (1) showed separate signa

57 Because the 1H and 13C NMR spectra of oligocyclopropanes are far from trivi

58 Features of the 1H and 13C NMR spectra of swallowtailed perylenediimides are in

59 analyzed by one- and two-dimensional 1H and 13C NMR spectroscopy and was shown to be the Neu5Ac-alph

60 tural elucidation by multidimensional 1H and 13C NMR spectroscopy revealed the accumulated metabolite

61 ted in vitro by ArnA was validated by 1H and 13C NMR spectroscopy.

62 y, and its structure was confirmed by 1H and 13C NMR spectroscopy.

63 sible reaction mechanism based on the 1H and 13C NMR studies is presented for the formation of propyl

64 gnment to 35, undergirded by detailed 1H and 13C NMR studies, is consistent with proper transannular

65 l identification of alkenyl-GP, using 1H and 13C NMR, Fourier transform infrared spectrometry, and ma

66 Spectroscopic studies (1H and 13C NMR, FTIR) support a catalyst resting state that con

67 were synthesized and characterized by 1H and 13C NMR, MS, and elemental analysis.

68 combination of methylation analyses, 1H and 13C NMR, two-dimensional 1H/1H and 1H/13C NMR, fast atom

69 major isomer (2) was characterized by 1H and 13C NMR, while the minor isomers 3-4 were isolated in su

70 mined in both of these solvents using 1H and 13C NMR.

71 Subsequent 2H and 13C NMR analysis of MAG from normal volunteers after ing

72 n were simultaneously monitored with 31P and 13C NMR spectroscopies.

73 31P and 13C NMR studies using isotopically labeled substrates as

74 roups in the 6 position are shown by 6Li and 13C NMR spectroscopic studies to be monomers in THF.

75 onic acid (1,8-ANS), cis-parinaric acid, and 13C NMR.

76 HPLC and characterized by LC/MS analysis and 13C NMR spectroscopy.

77 The use of metabolite derivatization and 13C NMR spectroscopy produces data suitable for metaboli

78 UV difference and 13C NMR spectra conclusively demonstrated the failure of

79 ion, with input of the molecular formula and 13C NMR spectrum of the isolated compound.

80 Growth and 13C NMR experiments indicate that the two isozymes funct

81 a [1-13C]glucose infusion was initiated, and 13C NMR spectra acquired continuously on a 7-tesla spect

82 ed in solution by mass spectrometry, IR, and 13C NMR.

83 ion coefficient between the morphometric and 13C NMR techniques was 0.89 (P < .01).

84 monomer to ligand was confirmed by GC/MS and 13C NMR after quenching.

85 crystallized and characterized by 1H NMR and 13C NMR as well as X-ray crystallography; COSY correlati

86 Previous UV-visible, Raman, and 13C NMR studies of enzyme-bound substrate analog or prod

87 The 1H- and 13C-NMR spectra were completely assigned by homonuclear

88 as greater than 98% as indicated by 31P- and 13C-NMR.

89 rmed by mass spectroscopy and 1H-, 31P-, and 13C-NMR.

90 sform infrared spectroscopy, micro-Raman and 13C-NMR spectroscopy.

91 In human and rat brains 13C NMR measurements of the flow of labeled glucose into

92 n of E-1 in this solvent mixture was 4.3% by 13C NMR.

93 e identified as fructosyllysine (Amadori) by 13C NMR using [2-13C]-enriched glucose.

94 of alkylation sites were readily assessed by 13C NMR.

95 ent experiments in human muscle and brain by 13C NMR.

96 (II)-factor-III) allowed characterization by 13C NMR, identifying the tetrapyrrole as 2,7,20-trimethy

97 ocarbamate-S-oxide has been characterized by 13C NMR, 15N NMR, UV spectroscopy, and ion chromatograph

98 t human LDL subspecies have been compared by 13C NMR, and the net surface charge of these particles h

99 and several monopropionic model compounds by 13C NMR spectroscopy.

100 This oxidative deamination was confirmed by 13C NMR, 1H NMR, mass spectrometry, and chemical tests.

101 plex mixture and enhances their detection by 13C NMR.

102 s of the spider N. clavipes were examined by 13C NMR spectroscopy.

103 horse heart cytochrome c was investigated by 13C NMR spectroscopy and X-ray crystallography.

104 rminal methyl position, were investigated by 13C NMR.

105 H3-H4folate and (6R)-CH3-H4folate to MeTr by 13C NMR, equilibrium dialysis, fluorescence quenching, a

106 e inhibitor cyanide (CN-) was also probed by 13C NMR.

107 the major metabolic end products as shown by 13C NMR studies and enzymatic analysis of culture supern

108 followed by analysis of labeling patterns by 13C-NMR, confirmed an MVA-dependent biosynthesis; howeve

109 Analysis of the variation of carboxyl 13C NMR chemical shift with pH gave rubin pKa values of

110 lating the time evolutions of the catalysts' 13C NMR spectra and the volatile product distribution fo

111 which usually requires a combination of 2-D 13C NMR spectroscopy and GC/MS.

112 1H-coupled and 1H-decoupled 13C NMR of 2 established a 7,8,19,26,33,37,45,49,53,63-s

113 F solution, 4 displays temperature-dependent 13C NMR spectra from which a DeltaG++ of 11.6 kcal/mol a

114 We describe 13C NMR studies demonstrating a CODH-catalyzed steady-st

115 Structural studies revealed diagnostic 13C NMR signals that permit assignment of the orientatio

116 copy, Congo Red binding, and one-dimensional 13C NMR measurements demonstrate that octanoyl-Abeta(16-

117 One-dimensional 13C NMR spectra are assigned by inspection and used to s

118 3C]ATP and E.Mn.[U-13C]ADP at three distinct 13C NMR frequencies: 75.4, 125.7, and 181 MHz.

119 In the initial experiment, 13C NMR was used to observe [1-13C]glucose incorporation

120 vements in the limits of detection (LOD) for 13C NMR at 11.7 T.

121 From 13C NMR spectroscopy, it was apparent that the C3'-signa

122 with independent measurements obtained from 13C NMR isotopomer analysis.

123 Here, 13C-NMR spectroscopy, site-specific isotopic labeling, a

124 The imidazole 13C NMR chemical shifts were predicted with an overall r

125 in vivo were measured using new advances in 13C NMR including 3D localization in conjunction with [1

126 the behavior of the hemiketal carbon atom in 13C NMR spectra.

127 Infrared, 13C NMR, and extended X-ray absorption fine-structure sp

128 mate and glutamine in liver via non-invasive 13C NMR.

129 le soil and humin, by both CP-MAS and DP-MAS 13C NMR methods, and that the problem is more serious fo

130 For all materials, 13C NMR and UV-visible spectroscopies confirmed the pres

131 Secondary structure was mapped by measuring 13C NMR chemical shifts.

132 aned from relatively low-resolution nanotube 13C NMR spectra.

133 These pigments were characterized by 1H NMR, 13C NMR, absorbance/fluorescence spectroscopy, mass spec

134 sis of inactivated zwittermicin A by 1H NMR, 13C NMR, and high- and low-resolution mass spectrometry

135 bed including X-ray crystallography, 1H NMR, 13C NMR, HMQC, UV-visible, HPLC, MALDI-MS, and electroch

136 luble and have been characterized by 1H NMR, 13C NMR, MALDI-TOF, and UV-vis spectroscopy.

137 Nondestructive 13C NMR methodology was used to follow the kinetics of i

138 se-6-phosphate (G-6-P) combined with a novel 13C-NMR method to assess intracellular glucose concentra

139 The obtained 13C NMR spectra in solution were used as a reference for

140 The dynamic-mode acquisition of 13C NMR data from intact hearts, oxidizing [2-13C]-butyr

141 V(GAD) was determined by re-analysis of 13C NMR data obtained ex vivo and in vivo during infusio

142 ochemical assignment is made on the basis of 13C NMR spectra and confirmed by X-ray diffraction study

143 U6 ISL by analyzing the power dependence of 13C NMR relaxation rates in the rotating frame.

144 However, the inherent insensitivity of 13C NMR spectroscopy makes application of isotopomer ana

145 In this study, we used a combination of 13C-NMR spectroscopy, GC-MS analysis, and tissue biochem

146 lexes that were the subjects of the original 13C NMR studies.

147 However, our 13C NMR studies demonstrated that PM does not react with

148 Recent 13C NMR measurements in our laboratory have established

149 Recent 13C NMR studies in rat models have shown that the glutam

150 Rotational-echo double-resonance (REDOR) 13C NMR spectra (with 19F dephasing) have been obtained

151 High resolution 13C NMR spectra of tissue extracts confirmed that the ex

152 However, rotational-echo double-resonance 13C NMR (with 19F dephasing) shows that the average 13C-

153 this short hydrogen bond, low spinning speed 13C NMR spectra of the CMX-citrate synthase complex were

154 However, results from these solid-state 13C NMR experiments demonstrate that cooperativity in pr

155 orhodopsin (bR) were examined by solid-state 13C NMR of samples labeled with [3-13C]Ala and [1-13C]Va

156 n be observed by analysis of the solid-state 13C NMR spectra of the dodecylated SWNTs that have been

157 d at a site-specific level by 2D solid-state 13C NMR spectroscopy of glassy frozen solutions.

158 Here, using solid-state 13C NMR spectroscopy, we characterize the chemical struc

159 lity of the RNA in the loop and in the stem, 13C NMR relaxation methods have been used to describe th

160 In summary, 13C-NMR, CD, and fluorescence spectroscopy provided a de

161 Low-temperature 13C NMR spectra of cis-1,4-di-tert-butylcyclohexane (1)

162 1)H NMR is intrinsically more sensitive than 13C NMR and can potentially supply the same information

163 These studies demonstrate that 13C NMR spectroscopy can be used to noninvasively assess

164 The 13C NMR chemical shifts are reported for bulk SWNTs, H2S

165 The 13C NMR chemical shifts obtained from GIAO-CCSD(T)/tzp/d

166 The 13C NMR chemical shifts of enzyme-bound product demonstr

167 The 13C NMR chemical shifts of the intriguing dication 14 we

168 The 13C NMR chemical shifts of the isoelectronic analogue te

169 The 13C NMR chemical shifts, along with infrared and circula

170 The 13C NMR relaxation data indicate substantial dynamic flu

171 The 13C NMR signal for the adduct of AcLF-13CHO with chymotr

172 The 13C NMR spectra also demonstrated the existence of two c

173 The 13C NMR spectra were consistent with a metabolic model w

174 The 13C NMR spectroscopy of armchair and zigzag single-walle

175 The 13C NMR spectrum of a 13C-labeled version of the latter

176 coordinated hydriodo boron compounds and the 13C NMR chemical shifts of the corresponding isoelectron

177 relation between experimental shifts and the 13C NMR shifts calculated with density functional theory

178 icted rotation about the imide C-N bond; the 13C NMR spectra and stereochemistry of these molecules a

179 ny the HF(aq) treatment, as indicated by the 13C NMR data.

180 fast and accurate method for calculating the 13C NMR spectrum of the generated structures exists.

181 ride content was determined by comparing the 13C NMR signal intensity in vivo with the signal intensi

182 nt in excess over (6R,S)-13CH3-H4folate, the 13C NMR signal is split into two broad signals that refl

183 However, the 13C NMR studies could not rule out His57 as the titratin

184 The remarkable similarity in the 13C NMR chemical shifts in solution and in hydrated liqu

185 Changes in the 13C NMR line shapes show that the diphenyl compound 8 un

186 was an approximately 30-fold increase in the 13C NMR signals of the saturated carbons (methyl/methyle

187 produced additional spectral changes in the 13C NMR spectra.

188 e pH dependence of the chemical shift in the 13C NMR spectrum for the N5-methyl resonance indicates t

189 phoglucono-delta-lactone was observed in the 13C NMR spectrum.

190 arine yielded only one set of signals in the 13C NMR; this indicated that the two compounds are ident

191 Quantitative analysis of the 13C NMR at different temperatures and times correlates t

192 chemical investigation of the origins of the 13C NMR chemical shifts of the imidazole group in histid

193 The 18O-isotopic shifts on the 13C NMR signals were measured and allowed the identifica

194 We found that the 13C NMR spectra of two kinds of blue membranes, deionize

195 For the first time, the 13C NMR spectrum of p-QDM 1 was observed.

196 In agreement with the 13C NMR findings, activities of hepatic acetyl-CoA carbo

197 Consistent with the 13C NMR results, leptin treatment of the ob/ob mouse in

198 Saturation transfer 13C NMR spectroscopy has yielded the relative free energ

199 may substantially contribute to the upfield 13C NMR shift observed for [13C]acetyl-S-enzyme.

200 Here, we used 13C NMR spectroscopy to examine the metabolism of gliobl

201 and glutamatergic neuronal function, we used 13C NMR spectroscopy to measure, simultaneously, the rat

202 st several years, we have developed and used 13C-NMR to obtain information about human glycogen metab

203 -dependent diabetes mellitus (IDDM), we used 13C-NMR spectroscopy to monitor the peak intensity of th

204 Steady-state analysis using 13C NMR spectroscopy enables calculation of Y (flux rate

205 ological and hyperammonemic conditions using 13C NMR spectroscopy.

206 This is demonstrated using 13C NMR spectrum as readily obtainable information.

207 ater and [13C]bicarbonate was measured using 13C NMR spectroscopy during substrate turnover in the pr

208 ities in the superfusate were measured using 13C-NMR spectroscopy.

209 Recent in vivo 13C NMR measurements of the glutamate-to-glutamine neuro

210 ring an infusion of [1-13C]-glucose, in vivo 13C NMR spectra were obtained of the time courses of lab

211 In vivo 13C NMR spectroscopy was used to non-invasively observe

212 Glu-204 site, before photoexcitation, while 13C NMR titration indicates that Asp-194 has an initial

213 acial tension, and a strong correlation with 13C NMR line shapes for the terminal methyl group of the

214 des this communication and was observed with 13C NMR spectroscopy of hearts oxidizing [2-13C]-butyrat

215 Studies with 13C NMR-detected 18O-labeling show that epoxy ester rear