ライフサイエンスコーパス: isotopically

1 We have prepared isotopically (13)C/(15)N labeled AbetaM01-42 fibrils in

2 etaproteomic strategy, using in vitro stable isotopically ((15)N) labeled microbiota as a spike-in re

3 nd modern shells of limpets and mussels were isotopically analysed to explore changes in the isotopic

4 Isotopically anomalous carbonaceous grains in extraterre

5 16:1n-7/16:0) in VLDL-TG was associated with isotopically assessed DNL (r = 0.13, P = 0.1 and r = -0.

6 To study compositionally and isotopically asymmetric proteoliposomes containing grami

7 nalysis of ubiquitination is reported, named isotopically balanced quantification of ubiquitination (

8 , delta(13)C(hair), and delta(15)N(hair), we isotopically characterized aspects of feeding ecology in

9 ican kestrels (Falco sparverius) were fed an isotopically characterized diet and patterns in delta(15

10 th methods provided that a consistent set of isotopically characterized reference materials is used.

11 tio of 16:0 to 18:2n-6; P = 0.03), which was isotopically confirmed by DNL(Meas) (increased 2.5-fold;

12 he 2010s, South African SRWs foraged on prey isotopically consistent with the waters of the Subtropic

13 ve used the redshifts and line shapes of the isotopically decoupled IR oxygen-deuterium (O-D) stretch

14 An extremely isotopically depleted carbon source, such as marine meth

15 mi-closed basin and the assumed influence of isotopically depleted freshwater yielded by fluvial syst

16 m ashes collected in these power plants were isotopically depleted in the heavy isotopes relative to

17 Isotopically depleted material turns over at an apparent

18 cally enriched, modern DOC cocycling with an isotopically depleted older fraction in the upper ocean.

19 from oil wells were enriched in alkanes and isotopically depleted relative to natural gas wells.

20 zed, REE-rich fluids, derived from external, isotopically depleted sources, metasomatized the granite

21 g with TN and TP, were positively related to isotopically derived E/I estimates.

22 The method treats explicitly the cleavage of isotopically different C-Cl bonds and thus considers, si

23 riments were analyzed and calibrated against isotopically different reference standards for both CCl4

24 zymes are discussed using the concept of the isotopically different TRS conformations.

25 Under increasing methanol concentrations, isotopically distinct 1,2-dimyristoyl-sn-glycero-3-phosp

26 Our approach utilizes isotopically distinct benzothiazine and halogenated benz

27 The dominant influence of mixing between isotopically distinct Cd end-members was confirmed by a

28 fuel pellets that were made by blending two isotopically distinct feedstocks, we show that EUV TOF c

29 d used, drinking water delta(18)OPO4 appears isotopically distinct from a number of other phosphorus

30 es that the regional background Hg source is isotopically distinct in both Delta(199)Hg and delta(202

31 e show that the subducted flux of uranium is isotopically distinct, with high (238)U/(235)U ratios, a

32 I protocol with b = 0 and 800 s/mm(2) and 10 isotopically distributed directions.

33 ter in aquaculture feed stocks because it is isotopically district to marine organic matter.

34 e report here on the synthesis and use of an isotopically double-labeled Abeta1-15 glycopeptide, carr

35 a simultaneous treatment of three different isotopically edited alkynyl metabolic reporters.

36 oyed to construct (13)C horizontal line(18)O isotopically edited amides to permit direct observation

37 ed from multiple sets of site-specific (13)C isotopically edited infrared (IR) and circular dichroism

38 Isotopically edited infrared (IR) spectroscopy has emerg

39 e-specific thermal unfolding probed by (13)C isotopically edited IR is likewise consistent with prima

40 We have used (13)C isotopically edited IR spectroscopy to investigate the s

41 coupled electron spins(5) confined in gated, isotopically enhanced silicon quantum dots(6).

42 We have illustrated a novel way of using isotopically enhanced two-dimensional NMR spectroscopy t

43 erentially labeled RT was reconstituted from isotopically enriched ((15)N-labeled) p51 and unlabeled

44 Following the generation of isotopically enriched (15)N(2) and (13)CO adducts of 1,

45 spin flips of residual (29)Si nuclei in the isotopically enriched (28)Si host material, which occur

46 ystalline lepidocrocite were reacted with an isotopically enriched (57)Fe(II) solution (0.1 or 1.0 mM

47 Tracking isotopically enriched (65)Cu(II)(atsm) confirmed the inc

48 n studies using flow injection analysis with isotopically enriched (99)Ru as a carrier with ICP-MS de

49 After spiking the blood sample with isotopically enriched analogues of the analytes ((199)Hg

50 GSSG measurement, the sample was spiked with isotopically enriched analogues of the analytes ((310)GS

51 Using isotopically enriched ATP, 23 sites of intravirion kinas

52 Algal cells differentially labeled with isotopically enriched CH3Hg(+) or Hg(2+) were added simu

53 ied out by the chlorination of biphenyl with isotopically enriched chlorine gas, generated by the dir

54 Isotopically enriched compounds change their isotopic di

55 The crystals are reacted with the isotopically enriched dienophiles maleic anhydride and a

56 Isotopically enriched diethyl phenylphosphonates (P hori

57 Furthermore, crossover experiments with an isotopically enriched exogenous copper source illustrate

58 Moreover, by introducing isotopically enriched functional groups into the reagent

59 x vivo tumor extracts, after infusion, using isotopically enriched glucose.

60 oscopy, electrospray mass spectrometry using isotopically enriched hydrogen peroxide, and density fun

61 NMR and MS, including a (13)C-(13)C COSY of isotopically enriched material, degradation, derivatives

62 roviding cells, animals, or patients with an isotopically enriched metabolite (e.g., (13)C, (15)N, or

63 amine precursors for melanization to produce isotopically enriched pigment "ghosts" and applied 2D (1

64 NMs, namely ZnO, CuO, Ag, and TiO(2), using isotopically enriched precursors, namely (67)Zn or (68)Z

65 e fidelities (exceeding 99.9 per cent) using isotopically enriched silicon(11,12).

66 Isotopically enriched snails were subsequently exposed t

67 high-sensitivity (29)Si NMR spectroscopy of isotopically enriched solutions combined with theoretica

68 in) via the (63)Cu(p,n)(63)Zn reaction using isotopically enriched solutions of (63)Cu-copper nitrate

69 g experiments in biology usually make use of isotopically enriched substrates, with the two most comm

70 Zinc isotopically enriched to 99.5% in (68)Zn ((68)Zn-E) was

71 After which, one set received isotopically enriched water whereas the other set receiv

72 ino acid type, or a limited subset of types, isotopically enriched with (15)N or (13)C, is described.

73 We confirm the presence of isotopically enriched, modern DOC cocycling with an isot

74 We use solid-state NMR spectroscopy of isotopically enriched, restacked nanosheets as a tool to

75 ed by proton irradiation of electrodeposited isotopically-enriched (54)Fe targets.

76 Laboratory-scale brewing trials with isotopically-enriched (77)Se wheat, sampled from UK fiel

77 Additionally, an isotopically equilibrated state can serve as a reference

78 embrane components, if CO2 was assumed to be isotopically equilibrated with cytosolic water, and the

79 Seventy-five to 95% of the bound water isotopically exchanged with the mobile water phase.

80 veloped an integrated pipeline that combines isotopically fluorous tag labeling and fluorous solid-ph

81 is sufficiently volatile such that it may be isotopically fractionated during incomplete condensation

82 t, evolved plume rocks (tholeiitic) are more isotopically fractionated in Ti than differentiated isla

83 the Trinity device were chemically, but not isotopically, fractionated by condensation.

84 Si = ~0.001) whereas its silicate phases are isotopically heavier (Av.

85 (South Africa), which reveals a smaller and isotopically heavier flux of dissolved iron to seawater

86 and show that all differentiated bodies have isotopically heavier magnesium compositions than chondri

87 atio determines whether coccolith calcite is isotopically heavier or lighter than abiogenic calcite,

88 The delta(82/76)Se of water-soluble Se is isotopically heavier than delta(82/76)Se of adsorbed Se,

89 otopes were markedly fractionated: straw was isotopically heavier than roots (Delta(114/110)Cdstraw-r

90 The Ca(NO3)2-extractable Cd was isotopically heavier than the Cd in the bulk A horizon (

91 thermore, synglacial sedimentary nitrogen is isotopically heavier than the modern atmosphere, requiri

92 achates due to root-induced mobilization was isotopically heavier than the Zn released in the absence

93 more than 10,000 petagrams)-and, on average, isotopically heavier-carbon source than considered previ

94 d by less sea ice, a greater contribution of isotopically heavy Arctic-derived moisture, and wetter c

95 s of mobile Hg pools, continuously releasing isotopically heavy Hg into solution.

96 ta(26)Mg values suggest the incorporation of isotopically heavy Mg from the subducted slab.

97 cal isotope fractionation cannot explain the isotopically heavy Tl in the Lengerich topsoils and the

98 a spatiotemporally variable transition from isotopically heavy to isotopically light compositions.

99 igands we found preferential partitioning of isotopically heavy zinc in the complexed form, and the e

100 iron within the surface mixed layer becomes isotopically heavy, reflecting the dominance of biologic

101 reduction to drive the residual Se oxyanions isotopically heavy.

102 e magma reservoirs by repeated injections of isotopically heterogeneous magma batches and short pre-e

103 We find that ferroan anorthosites are isotopically heterogeneous, with some samples exhibiting

104 at larger spatial scales, than analyzing the isotopically highly heterogeneous tailing piles typicall

105 When biosynthetic methods were used to isotopically label iron in food, achlorhydric patients w

106 ted by the cyclotron and has the capacity to isotopically label peptides of choice for positron emiss

107 Multi-isotopically labeled (111)Cd(77)Se/(68)ZnS QDs were synt

108 Isotopically labeled (13)C and (12)C propionic acid expe

109 trix-matched calibration standards and using isotopically labeled (IL) analogues as internal standard

110 curring isotopologue transitions of a stable isotopically labeled (SIL) analyte for instant liquid ch

111 logue reaction monitoring (MIRM) of a stable isotopically labeled (SIL) analyte, dilution of study sa

112 ISCC approach with MIRM of stable isotopically labeled (SIL) peptides eliminated the need

113 Stable isotopically labeled (SIL) tryptic peptides, cleavable S

114 Isotopically labeled 15N-casein (33-34 g), in either a h

115 We demonstrate this approach using isotopically labeled [1,6-(13)C]glucose and in four diff

116 silon-NH(2) group of the C-terminal Lys with isotopically labeled acetyl-alanine; (3) thiol Michael a

117 yl-alanine; (3) thiol Michael addition of an isotopically labeled acetyl-cysteine at the maleylated N

118 Pulse-chase studies of isotopically labeled AChE molecules show that the enzyme

119 roposed APG pathway was confirmed by feeding isotopically labeled amino acids.

120 Microcosms amended with isotopically labeled ammonium and urea to simulate a fer

121 s sampling bag, where it is homogenized with isotopically labeled analogue internal standards and sam

122 ncubated with the OP dichlorvos that was 50% isotopically labeled and 50% unlabeled.

123 ns expressed by a eukaryotic organism can be isotopically labeled and produced with a quality and qua

124 vestigation of a reaction mixture containing isotopically labeled and unlabeled reactants with differ

125 Isotopically labeled atoms from substrates, such as [(13

126 orms with (15)N,(13)C by providing them with isotopically labeled bacteria.

127 s by hydrolyzing peptidoglycan isolated from isotopically labeled bacterial biomass and used them as

128 ated from (13)COgen, the corresponding (13)C-isotopically labeled beta-ketonitriles were obtained, an

129 Correspondingly, we constructed a library of isotopically labeled bottlebrush molecules and measured

130 We demonstrate this approach using isotopically labeled Caenorhabditis elegans mixtures.

131 ll (hiPSC)-derived neuroprogenitors using an isotopically labeled cholesterol precursor and by monito

132 as greatly enabled by the synthesis of a new isotopically labeled cholesterol standard and correspond

133 Using cold, isotopically labeled cluster ions, we report the spectra

134 The use of isotopically labeled compounds assisted in correcting an

135 Studies of isotopically labeled compounds have been fundamental to

136 ectrometry experiments using (17)O and (18)O isotopically labeled compounds prove that this compound

137 ifies isotopologue groups that correspond to isotopically labeled compounds.

138 re directly correlated with the ratio of the isotopically labeled content of the medium.

139 The use of isotopically labeled diazomethane enabled the distinctio

140 Amino acids that are isotopically labeled during metabolism result in labeled

141 These results validate the use of isotopically labeled ENPs at relevant concentrations in

142 Isotopically labeled enzymes (denoted as "heavy" or "Bor

143 ct mass-to-charge ratios in combination with isotopically labeled experiments exploiting reflectron t

144 They consumed a maize meal fortified with isotopically labeled ferrous sulfate (FeSO4; study 1) or

145 Isotopically labeled flavin is a powerful tool for study

146 The isolated phosphoproteins were eluted and isotopically labeled for relative and absolute quantitat

147 omic-SIP is a valuable method for recovering isotopically labeled genomes from complex communities.

148 mic-SIP improves the assembly and binning of isotopically labeled genomes relative to a conventional

149 inolysis, as determined by flux studies with isotopically labeled glutamine.

150 al by direct and quantitative measurement of isotopically labeled glutathione introduced exogenously

151 The addition of an isotopically labeled glycan substrate facilitated cell w

152 xtraction cartridges followed by addition of isotopically labeled glyphosate to the final test sample

153 nMS for the identification of differentially isotopically labeled heteroconjugates against a complex

154 have tested different methods of applying an isotopically labeled internal standard for MALDI IMS ana

155 By spiking an isotopically labeled internal standard into the plasma s

156 An isotopically labeled internal standard mix was incorpora

157 2'-deoxyribose-cysteine adduct, addition of isotopically labeled internal standard, and quantitation

158 on (</=10%) has been achieved while using an isotopically labeled internal standard.

159 In the present work, isotopically labeled internal standards are applied to t

160 Chlorinated and brominated standards and isotopically labeled internal standards were synthesized

161 chromatography, a diastereomeric mixture of isotopically labeled internal standards, and multiple re

162 Isotopically labeled internal standards, Paraquat-D6 and

163 Using DART-MS/MS and isotopically labeled internal standards, we achieved det

164 tes using authentic metabolite standards and isotopically labeled internal standards, whereas the cor

165 Using isotopically labeled LctA analogues with engineered lact

166 central nervous system proteins with stable isotopically labeled leucine was performed, and kinetics

167 n, on 2 consecutive days, we fed all infants isotopically labeled maize porridge and MNP test meals c

168 We have designed an isotopically labeled metabolic bioprobe of free cytosoli

169 tly, LC/MS-based untargeted metabolomics and isotopically labeled metabolites have been used to facil

170 tabolomic technologies to track the fates of isotopically labeled metabolites in a global, unbiased m

171 Isotopically labeled methyl groups provide NMR probes in

172 The performed analysis of isotopically labeled microbial cells with SERS-SIRM and

173 NMR studies with isotopically labeled molecules confirm that acid-base pa

174 ecific, spatially resolved identification of isotopically labeled molecules with the electron microsc

175 These include isotopically labeled molecules.

176 Mass spectrometry of the reaction between isotopically labeled mu-(16)O(bridging-oxo) 1A(+) and (1

177 provides for a unified synthetic approach to isotopically labeled N-methylanilines from various stabl

178 ammonium-free media, and fail to incorporate isotopically labeled N2 gas into biomass in multiple ind

179 In combination with feeding of isotopically labeled nucleosides, we were able to trace

180 tual replacement of radiotracers with stable isotopically labeled ones, even for adult clinical inves

181 hat boronates can be used as probes to track isotopically labeled oxidants.

182 in situ infrared (IR) spectroscopy and with isotopically labeled oxygen ((18)O), appears to be criti

183 Then, using isotopically labeled oxygen (O2) as an oxidant in the pr

184 can generate both thioamides and amides with isotopically labeled oxygen atoms.

185 Toward this goal, isotopically labeled p-((13)C(15)N-cyano)phenylalanine w

186 Mass tracing experiments showed that isotopically labeled palmitic, myristic, and lauric acid

187 We use isotopically labeled PFAS molecules to take advantage of

188 onjunction with solution NMR spectroscopy of isotopically labeled Pgamma identified the central polyc

189 ported by slowed catalytic site chemistry in isotopically labeled PNP (13C, 15N, and 2H).

190 the conversion investigated by (13)C NMR of isotopically labeled polymers.

191 etabolism and can be achieved by tracking an isotopically labeled precursor to an unexpected product.

192 Feeding experiments with isotopically labeled precursors clearly supported a poly

193 We added an exogenously prepared isotopically labeled protein to deuterated lysates, rend

194 requires little protein, avoids the need for isotopically labeled protein, and has no protein molecul

195 lar NOEs between unlabeled phenylalanine and isotopically labeled protein.

196 tended for the analysis of experiments using isotopically labeled reference peptides for absolute qua

197 Critical considerations for using isotopically labeled rhGH as the internal standard are d

198 ains is achieved using a stalling motif, and isotopically labeled RNCs are produced at high yield usi

199 Here, we present a strategy to generate isotopically labeled RNCs in Escherichia coli that are s

200 large quantities (>/=10 mg) of homogeneous, isotopically labeled RNCs.

201 Differential HDX-MS of isotopically labeled RT in the presence of the non-nucle

202 nce (ENDOR) measurements with (13)C and (2)H isotopically labeled SAMCA support a pi-complex between

203 n, including secondary structure at specific isotopically labeled sites, intramolecular and intermole

204 ptides that were obtained from unlabeled and isotopically labeled soybean embryos and Escherichia col

205 The utility of a homogeneously coated stable-isotopically labeled standard (SIL) for normalization wa

206 followed by a homogeneously applied, stable, isotopically labeled standard for normalization and a ma

207 However, without an isotopically labeled standard, the repeatability is poor

208 ogenous metabolites in urine via addition of isotopically labeled standards was also examined.

209 eochemistry of the products and studies with isotopically labeled starting materials.

210 ies on commercial cross-linkers that bear an isotopically labeled tag and N-hydroxysuccinimid-ester (

211 , (ii) nanotoxicology, and (iii) metabolism (isotopically labeled tissue).

212 aspects: (i) a general method for producing isotopically labeled TM or membrane-proximal (MP) protei

213 ifies Tn by glycosyltransferase C1GalT1 with isotopically labeled UDP-Gal((13)C(6)), to tag and conve

214 ified by 9.5 and 140 GHz EPR spectroscopy on isotopically labeled varieties of the protein to be a th

215 ropose a novel approach that applies several isotopically labeled versions, each at a different conce

216 -MSI (MALDI-Q-MSI), using a mixture of three isotopically labeled versions.

217 beled tyrosine substrates, the cyanides were isotopically labeled via a recently developed in vitro m

218 arbon-hydrogen bonds in a single step, using isotopically labeled water (D2O or T2O) as the source of

219 temperature-programmed desorption (TPD) with isotopically labeled water and oxygen species, reactive

220 The rR experiments carried out with isotopically labeled water identified the symmetric and

221 Experiments involving (18)O isotopically labeled water indicated that the mechanism

222 surements, maltose binding protein (MBP) was isotopically labeled with (13)C and (15)N, permitting dy

223 sic flavin mononucleotide (FMN) cofactor are isotopically labeled with (2)H, (15)N, and (13)C.

224 tion of aqueous solutions of ferrous sulfate isotopically labeled with (5)(4)Fe, (5)(7)Fe, or (5)(8)F

225 "Heavy" (isotopically labeled) enzyme isotope effects offer a dir

226 ed, hydroxylated), and labeled (fluorinated, isotopically labeled) side chains to be added to a commo

227 , when a high proportion of the community is isotopically labeled, the benefits of metagenomic-SIP de

228 e other one with only the C-terminal segment isotopically labeled.

229 igned to identify metabolites that have been isotopically labeled.

230 By selectively isotopically labeling the residual surface Li2CO3, which

231 posome analytical platform (CIL-EXPOSOME) by isotopically labeling urinary biomarkers with common fun

232 eomic analyses of the sheath-water bacteria, isotopically labelled in situ, indicate their slow growt

233 Isotopically labelled macroalgal detritus ((13) C) was u

234 in their natural environment, but sorting of isotopically labelled microbial cells from complex sampl

235 o address this, we report the application of isotopically labelled peptide sequence MSTKDFNLDLVSVSKKD

236 t is helpful to study the flow of label from isotopically labelled precursors into other metabolites

237 Database searching of isotopically labelled PTMs can be problematic and we fre

238 A single, uniformly isotopically labelled sample is sufficient to characteri

239 resent the first report using broad-spectrum isotopically labelled standards for quantitative charact

240 wing to difficulties in supplying a suitably isotopically-labelled cofactor ([4-(2)H]-NADH).

241 ImCal relies on the use of five different isotopically-labelled peptides of different nominal mass

242 tly from a particular production pathway (by isotopically labelling host substrates).

243 ess effect, that is, fossil fuel-derived and isotopically light carbon being incorporated into marine

244 The Nuvvuagittuq rocks contain isotopically light carbon in carbonate and carbonaceous

245 h system, where rapid and massive release of isotopically light carbon led to a major perturbation in

246 terrestrial sediments attest to the input of isotopically light carbon, although the carbon sources r

247 riable transition from isotopically heavy to isotopically light compositions.

248 The isotopically light dissolved iron pool likely results fr

249 vents in the North Atlantic are a source of isotopically light iron, which travels thousands of kilo

250 ounterbalancing changes in the weathering of isotopically light organic carbon.

251 m, dissolved iron within the mixed layer was isotopically light relative to particulate iron.

252 s are the geogenic background, as defined by isotopically light soils at depth (epsilon(205)Tl approx

253 suggest early and extensive degassing of an isotopically light vapor.

254 Isotopically light Zn (delta(66)Zn = -13.7 per thousand)

255 iments on mare basalt 14053 demonstrate that isotopically light Zn condensates also occur on some mar

256 first period of life, Hg in the liver became isotopically lighter (delta(202)Hg decreased) with a str

257 her hydrologic activity a higher wash out of isotopically lighter nitrate formed by bacterial nitrifi

258 pth indicating the preferential migration of isotopically lighter Se downward through the soil profil

259 f -0.15 per thousand with the adsorbed U(VI) isotopically lighter than coexisting aqueous U(VI).

260 ntial dissolved flux to the oceans, which is isotopically lighter than the crust, and so may be disti

261 The organically bound Se is isotopically lighter than water-soluble Se and correlate

262 ns, the Cu flowing out of the wetland became isotopically lighter, indicating the mobilization of red

263 y suggests that changing emissions of other (isotopically-lighter) CH(4) source terms is dominating t

264 ircular) and the probability of detecting an isotopically marked adult at different distances from th

265 se has not been validated by comparison with isotopically measured de novo lipogenesis (DNL(Meas)).

266 Isotopically methylated components were confirmed using

267 matrix to determine precisely the ratios of isotopically methylated peptides.

268 Here we used isotopically modified copper oxide ((65)CuO) NPs to char

269 ll those elements point to material that was isotopically most similar to enstatite meteorites.

270 13)C record, and consequent contributions of isotopically negative terrestrial organic matter to the

271 oth steady-state metabolic flux analysis and isotopically non-stationary metabolic flux analysis.

272 Isotopically nonstationary metabolic flux analysis (INST

273 ly orientated needle-like crystals in SA and isotopically ordered braid-like crystals in GMS oleogels

274 spectrometry to image antibodies tagged with isotopically pure elemental metal reporters.

275 properties of low-loss phonon polaritons in isotopically pure hexagonal boron nitride interacting wi

276 lectronic states were measured for different isotopically pure RaF molecules using collinear resonanc

277 tron and nuclear spins of donor ensembles in isotopically pure silicon experience a vacuum-like envir

278 r long coherence times, exceeding seconds in isotopically purified bulk silicon.

279 e ion-neutral collision cross section of the isotopically replaced species is observed.

280 the ultrahigh resolving power of FT-ICR, we isotopically resolved 31 distinct proteoforms (30-50 kDa

281 onized ICR cell, i.e., ParaCell, for mapping isotopically resolved intact proteins up to about 17 kDa

282 transfer to the LTQ Orbitrap XL instrument, isotopically resolved mass spectra could be acquired.

283 They show isotopically resolved molecular ion peaks in mass spectr

284 ion of metal cations and ligands can also be isotopically resolved with the ultrahigh mass resolution

285 ne-stabilized mesityl-borenium cation, which isotopically scrambles HD.

286 ity to perform not only elementally but also isotopically sensitive detection and analysis at standof

287 We demonstrate isotopically sensitive real-time standoff detection of u

288 +/- 5.7 J mol(-1) K(-1)) to a species 3 with isotopically sensitive stretches at nuO-O(Delta(18)O) =

289 he 1990s, South African SRWs foraged on prey isotopically similar to South Georgia/Islas Georgias del

290 udies has gradually expanded to include both isotopically steady-state and transient labeling experim

291 stitutions, we studied a mixture of specific isotopically substituted ((15)N, (13)C, and (2)H) proton

292 Eight such isotopically substituted bacteriochlorins were prepared

293 , isotope effects derive from differences of isotopically substituted molecules in isotope vibrationa

294 A hierarchy of isotopically substituted recombination reactions is form

295 Heavy enzymes (isotopically substituted) provide an experimental tool f

296 how how multidimensional NMR spectroscopy of isotopically tagged molecules enables structure characte

297 h chronic gastritis had excess fecal loss of isotopically tagged plasma iron.

298 titative chemoproteomic platform, which uses isotopically tagged, photocleavable azido-biotin reagent

299 Because subducted uranium was probably isotopically unfractionated before full oceanic oxidatio

300 e to determine candidate identifications for isotopically unresolved proteoforms larger than 50 kDa,