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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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