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1 a cysteine analogue with selenium replacing sulphur.
2 as substrates, including three that contain sulphur.
3 ine microorganisms to assimilate the reduced sulphur.
4 ltenes are identified as the major source of sulphur.
5 no recommended daily intake guide lines for sulphur.
6 e ingress of air is permitted and additional sulphur (30 parts) is introduced before a second calcina
7 sotopic profiles of oxygen ((18)O/(16)O) and sulphur ((33)S/(32)S, (34)S/(32)S) in seawater sulphate
10 iculture Organisation standards, but Lys and sulphur amino acids were at limiting concentrations in a
12 produced around 3.1 x 10(9) moles of reduced sulphur and 10(10) moles of CO2, promoting the formation
13 e Phosphorus, Zinc, Iron, Manganese, Copper, Sulphur and Boron concentrations under salinity were als
16 , the surface rocks are richer in nickel and sulphur and have lower manganese/iron ratios than the me
17 surface area, spatial control of solid-state sulphur and lithium sulphide species deposition as a cri
18 that the electrochemical conversion between sulphur and magnesium sulfide can be successfully perfor
19 o increase whereas atmospheric deposition of sulphur and nitrogen has declined in Europe and the USA
23 alline structure with opposite modulation of sulphur and selenium distributions across the heterostru
28 t these two locations showed that classes of sulphur- and nitrogen-containing membrane lipids, which
29 gen, carbon, nitrogen, oxygen, magnesium and sulphur as well as compound-specific nitrogen and oxygen
36 ed C-H activation reactions, any nitrogen or sulphur atoms present in heterocyclic substrates will co
37 , avoiding interference from any nitrogen or sulphur atoms present in the heterocyclic substrates.
38 regulates the geometry of the participating sulphur atoms with sub-angstrom precision to achieve eff
41 -Olson (FMO) complex of photosynthetic green sulphur bacteria, however to date little work has focuss
42 roma active in all three rice types, but the sulphur-based, cooked rice character impact volatile, 2-
50 simple adjustment to the traditional lithium-sulphur battery configuration to achieve high capacity w
53 contaminated through mining and oxidation of sulphur-bearing Zn minerals or engineered nanomaterials
54 ncoding the enzyme that catalyses the carbon-sulphur bond formation reaction and that encoding the co
56 t fractionation suggests the assimilation of sulphur both during passage of magmas through the crust
59 ffects of different sulphuring methods, i.e. sulphuring by "burning the elemental sulphites (BES)," "
62 ation reaction and that encoding the cognate sulphur-carrier protein exist in the same gene cluster.
63 ctivating enzyme can adenylate each of these sulphur-carrier proteins and probably also catalyses the
64 e ability of BexX to selectively distinguish sulphur-carrier proteins is given a structural basis usi
65 me sequencing uncovered a few genes encoding sulphur-carrier proteins that are probably involved in t
66 intercalation cathodes, high-energy-density sulphur cathodes are still in the stage of research beca
67 report an applicable way to recharge lithium-sulphur cells by a simple charge operation control that
71 fundamental differences between the dominant sulphur chemistry in the atmosphere of Mars and that in
72 lic basalt, chemically identical (except for sulphur, chlorine and zinc) to soils from Gusev crater.
77 pendent reports have linked frataxin to iron-sulphur cluster assembly through interactions with the t
82 t NO detoxification (Hmp, NorVW, NrfA), iron-sulphur cluster repair (YtfE), and the expression of the
83 and Yap5 that respond to mitochondrial iron-sulphur cluster status are modulated by copper-BPQ causi
84 of proteins involved in formation of a metal-sulphur cluster that provides a nitrogenase active site.
86 malian core subunits that contain eight iron-sulphur clusters and 60 transmembrane helices, identify
87 ant for the repair of oxidatively damaged Fe-sulphur clusters of aconitase and, in contrast to Bfr an
88 es can harm/destroy cysteinyl residues, iron-sulphur clusters, DNA and polyunsaturated lipids, leadin
94 fatty acids (9), aliphatic hydrocarbons (8), sulphur compounds (5) and nitrogen compounds (2) were po
95 inflammation react with endogenous, luminal sulphur compounds (thiosulphate) to form a new respirato
96 tty acid derivatives, Strecker aldehydes and sulphur compounds as volatiles clearly changing during s
97 lets, ketones in tetra hop and aldehydes and sulphur compounds in barley were the predominant chemica
98 These pathways can reduce various oxidized sulphur compounds including sulphate, sulphite and thios
99 and M6 strains were the highest producers of sulphur compounds where dimethyl disulphide and dimethyl
100 present, after cooking, had higher levels of sulphur compounds, 2-nonanone, ethyl octanoate and lower
103 major and minor volatile compounds, volatile sulphur compounds, mercaptans, metals, anions and cation
105 n of sulphur in foods was developed, and the sulphur concentrations of various fresh and dried food s
106 esults were in good agreement with certified sulphur concentrations of various vegetal CRM samples ap
108 lucosinolate (Gl) biosynthesis, glycosylated sulphur-containing aldoximes containing chemically diffe
110 tein family that is enriched in aromatic and sulphur-containing amino acids, are used by certain ceph
112 ion decreased the antioxidant properties and sulphur-containing compounds, but increased Se-methyl-se
114 f primary metabolism for the biosynthesis of sulphur-containing natural products is probably a genera
115 w the sulphur atom is incorporated into many sulphur-containing secondary metabolites is poorly under
116 redox stability with tolerance to coking and sulphur contamination from hydrocarbon fuels is demonstr
117 lso complement evidence for recycling of the sulphur content of ancient sedimentary materials to the
120 The results suggest that the SAMs restrict sulphur coverage to enhance selectivity without signific
121 evidence for synchronization to a beat in a sulphur-crested cockatoo (Cacatua galerita eleonora).
123 Plants play an important role in the global sulphur cycle because they assimilate sulphur from the e
125 l pressure and the evolution of the Cenozoic sulphur cycle, and could be accounted for by geologicall
126 ctionation implies disproportionation in the sulphur cycle, probably involving sulphide-oxidizing bac
130 r dissolved oxygen concentrations, including sulphur-cycling Chromatiales, for which 16S rRNA was amp
131 In E. cuniculi, the iron (frataxin) and sulphur (cysteine desulphurase, Nfs1) donors and the sca
133 Our results also show that co-opting the sulphur-delivery machinery of primary metabolism for the
138 ion growth and suggest that, so far unknown, sulphur deposition plays a significant role in the carbo
140 % per 1 part per million; 95% CI 2.52-4.54), sulphur dioxide (2.36% per 10 parts per billion; 1.35-3.
142 e, white and red wines were produced without sulphur dioxide (SO2) and, at the end of the alcoholic f
145 results also demonstrate the extent to which sulphur dioxide addition can lower the free aldehyde con
146 f this study was to assess the efficiency of sulphur dioxide alone and in combination with either glu
147 ide provided improved inhibition compared to sulphur dioxide alone, in conditions of limited oxygen c
148 f maceration, type of yeast and the level of sulphur dioxide applied on stilbene content and antioxid
149 sor elements and ultra fast determination of sulphur dioxide by cyclic voltammetry makes this techniq
151 suppressed and the oxidation peak height for sulphur dioxide corresponds linearly to the concentratio
152 d for simple and selective determinations of sulphur dioxide in wine, especially during winemaking.
153 future scenario that injects 5 Tg yr(-1) of sulphur dioxide into the stratosphere and cross-comparin
155 in winemaking for substitution of the use of sulphur dioxide is still at a very early stage of develo
156 e with two electron reduction of quinones by sulphur dioxide or ascorbic acid, and both routes serve
157 ldehyde, erythorbic acid or glutathione with sulphur dioxide provided improved inhibition compared to
158 otometric method to determine free and total sulphur dioxide recommended for beers was applied direct
159 or 45 degrees C) or extent of oxygen supply, sulphur dioxide was equally or more efficient in impedin
160 ing that the biocidic activity is exerted by sulphur dioxide while, in other applications, it is empl
161 ous pollutants (ozone, nitrogen dioxide, and sulphur dioxide), and mixed traffic-related air pollutio
162 t autolysate) were tested in comparison with sulphur dioxide, concerning radical scavenging activity
164 certainties in natural emissions of volcanic sulphur dioxide, marine dimethylsulphide, biogenic volat
165 daily increases in gaseous (carbon monoxide, sulphur dioxide, nitrogen dioxide, ozone) and particulat
166 he simultaneous detection of polyphenols and sulphur dioxide, using cyclic voltammetry at inert elect
167 th compositional changes during storage, and sulphur dioxide-aldehyde apparent equilibrium constants.
168 (HHP) treatments on volatile composition of sulphur dioxide-free wines during bottle storage was stu
171 minis, mitochondrial Hsp70 and the essential sulphur donor (Nfs1) are still in the mitosome, but surp
172 synthesis of bright, multicolor fluorescent sulphur doped carbon dots (CNDs) has been developed by u
173 olarimetry to determine the resistivity of a sulphur-doped plastic target heated to Brown Dwarf condi
174 als were fabricated by bottom-up assembly of sulphur-doped pnictogen chalcogenide nanoplates sculpted
175 ce time, we find that previous estimates for sulphur-driven remineralization and loss of fixed nitrog
177 on dealing with the volumetric expansion of sulphur during lithiation, which will lead to cracking a
178 y photoelectron spectroscopy analysis of the sulphur electrode confirmed that the electrochemical con
179 mechanism of disulphide reduction by an iron-sulphur enzyme and describe previously unknown interacti
180 at dihydroxyacid dehydratase (IlvD), an iron-sulphur enzyme essential for the BCAA biosynthesis, is c
181 iosynthesis pathway is catalysed by the iron-sulphur enzyme IspH, producing the universal precursors
182 lphur system is appealing in this regard, as sulphur exhibits an order of magnitude higher capacity t
184 ntal evidence of any RNAP possessing an iron-sulphur (Fe-S) cluster, which may play a structural role
187 Proteins of the cytosolic pathway for iron-sulphur (FeS) cluster assembly are conserved, except tha
188 was realized by incorporating intramolecular sulphur-fluorine interactions and bulky side chains link
190 tios of high-temperature volcanic gases show sulphur flux of 720 Gmol/y at arc volcanoes (ARC) with a
191 se assimilatory sulphate reduction to supply sulphur for biosynthesis, although many can assimilate s
192 r biosynthesis, although many can assimilate sulphur from organic compounds that contain reduced sulp
193 global sulphur cycle because they assimilate sulphur from the environment and build it into methionin
195 effectiveness of the oxygen-loaded MBs with sulphur hexafluoride (SF6)-loaded MBs and reveal a signi
198 The new approach for the determination of sulphur in foods was developed, and the sulphur concentr
201 s in the burial of organic carbon and pyrite sulphur in sediments deposited under large-scale anoxic
202 The effect of varying the proportion of sulphur in the starting material on the colour of the fi
209 provide strong evidence that assimilation of sulphur into Martian magmas was a common occurrence thro
210 Two groups of sequences related to anaerobic sulphur/iron reducers and sulphate reducers dominated li
216 cost cathode materials such as electrophilic sulphur is only possible with a non-nucleophilic electro
217 temporally continuous generation of new NMD sulphur isotope anomalies in the atmosphere was likely t
220 Numerical box modelling of the paired carbon sulphur isotope data indicates that these isotope shifts
228 igneous sulphides in Martian meteorites with sulphur isotope signatures indicative of mass-independen
230 ts of molybdenum and vanadium and low pyrite sulphur isotope values (Delta(34)S values >/=65 per mil)
232 f carbonate that preserves marine carbon and sulphur isotopic excursions of about -5 and +15 parts pe
233 for the global postglacial marine carbon and sulphur isotopic excursions, abrupt unidirectional warmi
234 er, the low active material utilization, low sulphur loading and poor cycling stability restrict thei
235 e electrode provides enough space for a high sulphur loading, facilitates fast charge transfer and be
237 s and in flower stalks were visualised using sulphur mapping by cryo-SEM/energy-dispersive X-ray anal
238 There were significant effects of variety, sulphuring method and especially storage at 30 degrees C
241 in the infalling rotating envelope, whereas sulphur monoxide (SO) is enhanced in the transition zone
244 It is generally assumed that most dietary sulphur originates from intake of methionine and cystein
245 e fossils have been variously interpreted as sulphur-oxidizing bacteria, unicellular protists, mesomy
246 ammox) bacteria and the nitrate-sequestering sulphur-oxidizing Thioploca species--in anoxic sediments
248 d sulphate assimilation and modifications in sulphur partitioning between sulphur-containing metaboli
250 nificantly reduced cuticle concentrations of sulphur, phosphorus and calcium under decreasing pH; fur
251 he biomass carbon and other elements source (sulphur, phosphorus, boron and iron), and porous g-C3N4
254 hur in these young plume lavas suggests that sulphur--probably derived from hydrothermally altered oc
257 t methyl transfer, namely the corrinoid iron-sulphur protein and its methyltransferase from the model
259 rtant role in repairing the NO-modified iron-sulphur proteins in aerobically growing E. coli cells.
260 ar deficiency to repair the NO-modified iron-sulphur proteins may directly contribute to the NO-induc
261 Synechocystis contains three Rieske iron-sulphur proteins, all of which contain typical twin-argi
263 during discharge in the cathode of a lithium-sulphur redox cell are important, but their dissolution
265 ogy can sustain their initial reactivity and sulphur removal capacity over multiple regeneration cycl
266 space to accommodate the volume expansion of sulphur, resulting in an intact TiO(2) shell to minimize
273 n states (i.e. nitrogen, manganese, iron and sulphur) serve as both nutrients and sources of chemical
274 n and heteroatoms (such as nitrogen, oxygen, sulphur, silicon and boron) via complexes of transition
275 tructure of Ra-KLP at 1.6 A resolution using sulphur single-wavelength anomalous dispersion reveals t
278 phur in primary metabolites, the major ionic sulphur sources are the persulphide and thiocarboxylate
279 the surface active substances (SAS), reduced sulphur species (RS) and catalytically active compounds
283 SAR11 requires exogenous sources of reduced sulphur, such as methionine or 3-dimethylsulphoniopropio
284 of the valance and conduction bands owing to sulphur-sulphur interactions as the interlayer spacing r
286 ry of hydrogen, carbon, nitrogen, oxygen and sulphur, the identity of molecular species in gaseous vo
288 ectory analysis and atmospheric nitrogen and sulphur tracers link these frequent nucleation events to
289 itin-like modifiers evolved from prokaryotic sulphur transfer proteins it is less clear how complex e
290 which increases the availability of organic sulphur used by sulphite-reducing microorganisms like B.
291 order and scattering include defects such as sulphur vacancies in the MoS2 itself as well as extrinsi
292 he dominant category of defects changes from sulphur vacancy in mechanical exfoliation and chemical v
298 uding two of the newly-reported fresh tomato sulphur volatiles, 2-s-butylthiazole and dimethyl sulphi
300 limit of Li2S8 capacity ~\n1,470 mAh g(-1) (sulphur weight) under the loading of hybrid electrode on
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