carbon

Summary

Summary: A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel.

Top Publications

  1. Chen S, Oldham M, Davidson A, Chen J. Carbon catabolite repression of the maltose transporter revealed by X-ray crystallography. Nature. 2013;499:364-8 pubmed publisher
    Efficient carbon utilization is critical to the survival of microorganisms in competitive environments...
  2. Pedler B, Aluwihare L, Azam F. Single bacterial strain capable of significant contribution to carbon cycling in the surface ocean. Proc Natl Acad Sci U S A. 2014;111:7202-7 pubmed publisher
    Marine dissolved organic carbon (DOC) encompasses one of the largest reservoirs of carbon on Earth...
  3. Schumacher J, Behrends V, Pan Z, Brown D, Heydenreich F, Lewis M, et al. Nitrogen and carbon status are integrated at the transcriptional level by the nitrogen regulator NtrC in vivo. MBio. 2013;4:e00881-13 pubmed publisher
    ..Nitrogen is the most important nutrient for cell growth after carbon, and its metabolism is coordinated at the metabolic, transcriptional, and protein levels...
  4. Chiu Y, Bellinger D, Coull B, Anderson S, Barber R, Wright R, et al. Associations between traffic-related black carbon exposure and attention in a prospective birth cohort of urban children. Environ Health Perspect. 2013;121:859-64 pubmed publisher
    ..We examined associations between black carbon (BC), a marker of traffic particles, and attention measures ascertained at 7-14 years of age among 174 children in ..
  5. Huang X, Zhang F, Zhu L, Choi K, Guo N, Guo J, et al. Effect of injection routes on the biodistribution, clearance, and tumor uptake of carbon dots. ACS Nano. 2013;7:5684-93 pubmed publisher
    The emergence of photoluminescent carbon-based nanomaterials has shown exciting potential in the development of benign nanoprobes...
  6. Zultanski S, Fu G. Nickel-catalyzed carbon-carbon bond-forming reactions of unactivated tertiary alkyl halides: Suzuki arylations. J Am Chem Soc. 2013;135:624-7 pubmed publisher
    ..This approach to the synthesis of all-carbon quaternary carbon centers does not suffer from isomerization of the alkyl group, in contrast with the umpolung ..
  7. Wang G, Zhou Y, Xu X, Ruan H, Wang J. Temperature sensitivity of soil organic carbon mineralization along an elevation gradient in the Wuyi Mountains, China. PLoS ONE. 2013;8:e53914 pubmed publisher
    Soil organic carbon (SOC) actively participates in the global carbon (C) cycle. Despite much research, however, our understanding of the temperature sensitivity of soil organic carbon (SOC) mineralization is still very limited...
  8. Bahn M, Lattanzi F, Hasibeder R, Wild B, Koranda M, Danese V, et al. Responses of belowground carbon allocation dynamics to extended shading in mountain grassland. New Phytol. 2013;198:116-26 pubmed publisher
    b>Carbon (C) allocation strongly influences plant and soil processes. Short-term C allocation dynamics in ecosystems and their responses to environmental changes are still poorly understood...
  9. Lin C, Chen Y, Jinn T, Wu C, Hong Y, Wu W. Role of the cAMP-dependent carbon catabolite repression in capsular polysaccharide biosynthesis in Klebsiella pneumoniae. PLoS ONE. 2013;8:e54430 pubmed publisher
    ..These results indicate that K. pneumoniae CPS biosynthesis is controlled by the cAMP-dependent carbon catabolite repression (CCR)...

More Information

Publications116 found, 100 shown here

  1. Zhong H, Zhang H, Liu S, Deng C, Wang M. Nitrogen-enriched carbon from melamine resins with superior oxygen reduction reaction activity. ChemSusChem. 2013;6:807-12 pubmed publisher
    Catalytic carbon: Nitrogen-doped porous carbon (CN(x)) electrocatalysts are derived from inexpensive melamine formaldehyde resins...
  2. Sharp E, Sullivan P, Steltzer H, Csank A, Welker J. Complex carbon cycle responses to multi-level warming and supplemental summer rain in the high Arctic. Glob Chang Biol. 2013;19:1780-92 pubmed publisher
    ..Our findings indicate that the sign and magnitude of the future High Arctic C budget may depend upon changes in summer rain. ..
  3. Alphonse G, Maalouf M, Battiston Montagne P, Ardail D, Beuve M, Rousson R, et al. p53-independent early and late apoptosis is mediated by ceramide after exposure of tumor cells to photon or carbon ion irradiation. BMC Cancer. 2013;13:151 pubmed publisher
    ..4 or 184 keV/?m carbon ions...
  4. Bouden S, Chausse A, Dorbes S, El Tall O, Bellakhal N, Dachraoui M, et al. Trace lead analysis based on carbon-screen-printed-electrodes modified via 4-carboxy-phenyl diazonium salt electroreduction. Talanta. 2013;106:414-21 pubmed publisher
    This paper describes the use of 4-carboxyphenyl-grafted screen-printed carbon electrodes (4-CP-SPEs) for trace lead analysis...
  5. Lee B, Seo J, Son S, Kim S, Choi I, Ahn J, et al. Face-centered-cubic lithium crystals formed in mesopores of carbon nanofiber electrodes. ACS Nano. 2013;7:5801-7 pubmed publisher
    ..The mechanical sustainability of carbon-based freestanding electrodes subjected to repeated electrochemical reactions with Li ions is investigated via ..
  6. Xie D, Yu D, You W, Wang L. Algae mediate submerged macrophyte response to nutrient and dissolved inorganic carbon loading: a mesocosm study on different species. Chemosphere. 2013;93:1301-8 pubmed publisher
    Nutrient and dissolved inorganic carbon are two important factors that influence the development and species composition of submerged macrophyte communities in shallow lake ecosystems...
  7. Greiner J, McGlathery K, Gunnell J, McKee B. Seagrass restoration enhances "blue carbon" sequestration in coastal waters. PLoS ONE. 2013;8:e72469 pubmed publisher
    ..meadows are highly productive habitats that provide important ecosystem services in the coastal zone, including carbon and nutrient sequestration...
  8. Shvedova A, Yanamala N, Kisin E, Tkach A, Murray A, Hubbs A, et al. Long-term effects of carbon containing engineered nanomaterials and asbestos in the lung: one year postexposure comparisons. Am J Physiol Lung Cell Mol Physiol. 2014;306:L170-82 pubmed publisher
    The hallmark geometric feature of single-walled carbon nanotubes (SWCNT) and carbon nanofibers (CNF), high length to width ratio, makes them similar to a hazardous agent, asbestos...
  9. Midttun O, Townsend M, Nygård O, Tworoger S, Brennan P, Johansson M, et al. Most blood biomarkers related to vitamin status, one-carbon metabolism, and the kynurenine pathway show adequate preanalytical stability and within-person reproducibility to allow assessment of exposure or nutritional status in healthy women and card. J Nutr. 2014;144:784-90 pubmed publisher
    ..interindividual variation in blood concentrations of biomarkers related to vitamin status, one-carbon metabolism, and the kynurenine pathway...
  10. Shaban Y, El Sayed M, El Maradny A, Al Farawati R, Al Zobidi M. Photocatalytic degradation of phenol in natural seawater using visible light active carbon modified (CM)-n-TiO2 nanoparticles under UV light and natural sunlight illuminations. Chemosphere. 2013;91:307-13 pubmed publisher
    ..degradation of phenol in seawater was investigated under UV and natural sunlight using visible light active carbon modified (CM)-n-TiO2 nanoparticles, synthesized via a sol-gel method...
  11. Thomas C, Anderson B, Moilanen A, Eigenbrod F, Heinemeyer A, Quaife T, et al. Reconciling biodiversity and carbon conservation. Ecol Lett. 2013;16 Suppl 1:39-47 pubmed publisher
    ..Of these, approaches to maintain carbon within existing natural ecosystems could have particularly large benefits for biodiversity...
  12. Jacobson M. Comment on "Radiative absorption enhancements due to the mixing state of atmospheric black carbon". Science. 2013;339:393 pubmed publisher
    Cappa et al. (Reports, 31 August 2012, p. 1078) suggest that black carbon (BC) in a mixture absorbs only ~6% more sunlight than when volatile chemicals are evaporated from the mixture, and state that "many climate models may ..
  13. Cong C, Li K, Zhang X, Yu T. Visualization of arrangements of carbon atoms in graphene layers by Raman mapping and atomic-resolution TEM. Sci Rep. 2013;3:1195 pubmed publisher
    In-plane and out-of-plane arrangements of carbon atoms in graphene layers play critical roles in the fundamental physics and practical applications of these novel two-dimensional materials...
  14. Wang Q, Zhuang Q, Liang Q, Qi Q. Polyhydroxyalkanoic acids from structurally-unrelated carbon sources in Escherichia coli. Appl Microbiol Biotechnol. 2013;97:3301-7 pubmed publisher
    ..The biosynthesis of PHAs from unrelated carbon sources in microorganisms including Escherichia coli met many challenges in the past...
  15. Zhang X, Wang S, Zhu C, Liu M, Ji Y, Feng L, et al. Carbon-dots derived from nanodiamond: photoluminescence tunable nanoparticles for cell imaging. J Colloid Interface Sci. 2013;397:39-44 pubmed publisher
    Water dispersible carbon-dots (CDs) with tunable photoluminescence were synthesized via one-pot hydrothermal oxidation of nanodiamond and subsequently utilized for cell imaging applications...
  16. Menendez J, Joven J. One-carbon metabolism: an aging-cancer crossroad for the gerosuppressant metformin. Aging (Albany NY). 2012;4:894-8 pubmed
    ..our perspective on recent findings suggesting that de novo biosynthesis of purine nucleotides, which is based on the metabolism of one-carbon compounds, is a new target for metformin's actions at the crossroads of aging and cancer.
  17. Cha C, Shin S, Annabi N, Dokmeci M, Khademhosseini A. Carbon-based nanomaterials: multifunctional materials for biomedical engineering. ACS Nano. 2013;7:2891-7 pubmed publisher
    Functional carbon-based nanomaterials (CBNs) have become important due to their unique combinations of chemical and physical properties (i.e...
  18. Zhou L, Li Z, Liu Z, Ren J, Qu X. Luminescent carbon dot-gated nanovehicles for pH-triggered intracellular controlled release and imaging. Langmuir. 2013;29:6396-403 pubmed publisher
    In this paper, the use of biocompatible carbon dots (C-Dots) as caps on the surface of mesoporous silica nanoparticles (MSPs) for the design of intelligent on-demand molecular delivery and cell imaging system is described...
  19. Xu M, He Z, Deng Y, Wu L, Van Nostrand J, Hobbie S, et al. Elevated CO? influences microbial carbon and nitrogen cycling. BMC Microbiol. 2013;13:124 pubmed publisher
    ..its influence on the structure, composition, and functional potential of soil microbial communities, especially carbon (C) and nitrogen (N) cycling. A high-throughput functional gene array (GeoChip 3...
  20. Ivanisevic J, Zhu Z, Plate L, Tautenhahn R, Chen S, O Brien P, et al. Toward 'omic scale metabolite profiling: a dual separation-mass spectrometry approach for coverage of lipid and central carbon metabolism. Anal Chem. 2013;85:6876-84 pubmed publisher
    ..metabolomes, the HILIC method enabled the accurate assessment of key, dysregulated metabolites in central carbon pathways (e.g...
  21. Shigehisa H, Aoki T, Yamaguchi S, Shimizu N, Hiroya K. Hydroalkoxylation of unactivated olefins with carbon radicals and carbocation species as key intermediates. J Am Chem Soc. 2013;135:10306-9 pubmed publisher
    ..Mechanistic insight into this novel catalytic system is also discussed. Experimental results suggest that catalysis involves both carbon radical and carbocation intermediates.
  22. Schlüter U, Colmsee C, Scholz U, Bräutigam A, Weber A, Zellerhoff N, et al. Adaptation of maize source leaf metabolism to stress related disturbances in carbon, nitrogen and phosphorus balance. BMC Genomics. 2013;14:442 pubmed publisher
    Abiotic stress causes disturbances in the cellular homeostasis. Re-adjustment of balance in carbon, nitrogen and phosphorus metabolism therefore plays a central role in stress adaptation...
  23. Galvis B, Bergin M, Russell A. Fuel-based fine particulate and black carbon emission factors from a railyard area in Atlanta. J Air Waste Manag Assoc. 2013;63:648-58 pubmed
    ..georgiaair.org/amp/report.php). The authors estimated fuel-based black carbon (BC) and PM2...
  24. Duan H, Amthor J, Duursma R, O Grady A, Choat B, Tissue D. Carbon dynamics of eucalypt seedlings exposed to progressive drought in elevated [CO2] and elevated temperature. Tree Physiol. 2013;33:779-92 pubmed publisher
    ..The combined effects of elevated [CO2] and elevated temperature on moderate drought stressed seedlings were reduced with progressive drought, with no sustained effects on growth despite greater whole-plant TNC content. ..
  25. Punrat E, Chuanuwatanakul S, Kaneta T, Motomizu S, Chailapakul O. Method development for the determination of arsenic by sequential injection/anodic stripping voltammetry using long-lasting gold-modified screen-printed carbon electrode. Talanta. 2013;116:1018-25 pubmed publisher
    ..technique uses sequential injection/anodic stripping voltammetry with a long-lasting gold-modified screen-printed carbon electrode...
  26. Stephenson N, Das A, Condit R, Russo S, Baker P, Beckman N, et al. Rate of tree carbon accumulation increases continuously with tree size. Nature. 2014;507:90-3 pubmed publisher
    Forests are major components of the global carbon cycle, providing substantial feedback to atmospheric greenhouse gas concentrations...
  27. Wagner G, Hirschey M. Nonenzymatic protein acylation as a carbon stress regulated by sirtuin deacylases. Mol Cell. 2014;54:5-16 pubmed publisher
    ..Finally, we put forward the hypothesis that protein acylation is a form of protein "carbon stress" that the deacylases evolved to remove as a part of a global protein quality-control network.
  28. Zabalza A, Zulet A, Gil Monreal M, Igal M, Royuela M. Branched-chain amino acid biosynthesis inhibitors: herbicide efficacy is associated with an induced carbon-nitrogen imbalance. J Plant Physiol. 2013;170:814-21 pubmed publisher
    ..indicate that although KARI and ALS inhibition block the same biosynthetic pathway and exert common effects on carbon metabolism, nitrogen metabolism is more affected via ALS than KARI inhibition...
  29. Zhang W, Wang X, Wang S. Addition of external organic carbon and native soil organic carbon decomposition: a meta-analysis. PLoS ONE. 2013;8:e54779 pubmed publisher
    Extensive studies have been conducted to evaluate the effect of external organic Carbon on native soil organic carbon (SOC) decomposition. However, the direction and extent of this effect reported by different authors is inconsistent...
  30. Hofmann N, Ackermann L. meta-Selective C-H bond alkylation with secondary alkyl halides. J Am Chem Soc. 2013;135:5877-84 pubmed publisher
  31. Dinsmore K, Billett M, Dyson K. Temperature and precipitation drive temporal variability in aquatic carbon and GHG concentrations and fluxes in a peatland catchment. Glob Chang Biol. 2013;19:2133-48 pubmed publisher
    The aquatic pathway is increasingly being recognized as an important component of catchment carbon and greenhouse gas (GHG) budgets, particularly in peatland systems due to their large carbon store and strong hydrological connectivity...
  32. Müller E, Schüssler W, Horn H, Lemmer H. Aerobic biodegradation of the sulfonamide antibiotic sulfamethoxazole by activated sludge applied as co-substrate and sole carbon and nitrogen source. Chemosphere. 2013;92:969-78 pubmed publisher
    ..on (i) SMX co-metabolism with acetate and ammonium nitrate and (ii) SMX utilization when present as the sole carbon and nitrogen source. With SMX adsorption being negligible, elimination was primarily based on biodegradation...
  33. Bhattacharyya P, Roy K, Neogi S, Manna M, Adhya T, Rao K, et al. Influence of elevated carbon dioxide and temperature on belowground carbon allocation and enzyme activities in tropical flooded soil planted with rice. Environ Monit Assess. 2013;185:8659-71 pubmed publisher
    Changes in the soil labile carbon fractions and soil biochemical properties to elevated carbon dioxide (CO2) and temperature reflect the changes in the functional capacity of soil ecosystems...
  34. Yau S, Lauro F, Williams T, DeMaere M, Brown M, Rich J, et al. Metagenomic insights into strategies of carbon conservation and unusual sulfur biogeochemistry in a hypersaline Antarctic lake. ISME J. 2013;7:1944-61 pubmed publisher
    ..The dominance of heterotrophic degradation, coupled with low fixation potential, indicates possible net carbon loss...
  35. Hartmann H, Ziegler W, Kolle O, Trumbore S. Thirst beats hunger - declining hydration during drought prevents carbon starvation in Norway spruce saplings. New Phytol. 2013;200:340-9 pubmed publisher
    Drought-induced tree mortality results from an interaction of several mechanisms. Plant water and carbon relations are interdependent and assessments of their individual contributions are difficult...
  36. Truong Q, Koch K, Yoon J, Everard J, Shanks J. Influence of carbon to nitrogen ratios on soybean somatic embryo (cv. Jack) growth and composition. J Exp Bot. 2013;64:2985-95 pubmed publisher
    ..This report describes the growth dynamics and compositional changes of SHaM embryos in response to change in the carbon to nitrogen ratio of the medium...
  37. Miura N, Shinohara M, Tatsukami Y, Sato Y, Morisaka H, Kuroda K, et al. Spatial reorganization of Saccharomyces cerevisiae enolase to alter carbon metabolism under hypoxia. Eukaryot Cell. 2013;12:1106-19 pubmed publisher
    ..spatially reorganize metabolic enzymes in the cytosol via de novo protein synthesis, which subsequently increases carbon metabolism...
  38. Zhang D, Rand E, Marsh M, Andrews R, Lee K, Meyyappan M, et al. Carbon nanofiber electrode for neurochemical monitoring. Mol Neurobiol. 2013;48:380-5 pubmed publisher
    ..Electrochemical detection methods using carbon nanofiber nanoelectrodes integrated into the Wireless Instantaneous Neurotransmitter Concentration Sensing System (..
  39. Wu L, Luderer M, Yang X, Swain C, Zhang H, Nelson K, et al. Surface passivation of carbon nanoparticles with branched macromolecules influences near infrared bioimaging. Theranostics. 2013;3:677-86 pubmed publisher
    A superior and commercially exploitable 'green synthesis' of optically active carbon nanoparticle (OCN) is revealed in this work. The naked carbon particles (<20 nm) were derived from commercial food grade honey...
  40. Lavery P, Mateo M, Serrano O, Rozaimi M. Variability in the carbon storage of seagrass habitats and its implications for global estimates of blue carbon ecosystem service. PLoS ONE. 2013;8:e73748 pubmed publisher
    The recent focus on carbon trading has intensified interest in 'Blue Carbon'-carbon sequestered by coastal vegetated ecosystems, particularly seagrasses...
  41. Li W, Wang X, Liu B, Xu J, Liang B, Luo T, et al. Single-crystalline metal germanate nanowire-carbon textiles as binder-free, self-supported anodes for high-performance lithium storage. Nanoscale. 2013;5:10291-9 pubmed publisher
    Single-crystalline metal germanate nanowires, including SrGe4O9, BaGe4O9, and Zn2GeO4 were successfully grown on carbon textile via a simple low-cost hydrothermal method on a large scale...
  42. Larsen T, Ventura M, Andersen N, O Brien D, Piatkowski U, McCarthy M. Tracing carbon sources through aquatic and terrestrial food webs using amino acid stable isotope fingerprinting. PLoS ONE. 2013;8:e73441 pubmed publisher
    ..We found that ?(13)CAA patterns in contrast to bulk ?(13)C values distinguished between carbon derived from algae, seagrass, terrestrial plants, bacteria and fungi...
  43. Lucker B, Kramer D. Regulation of cyclic electron flow in Chlamydomonas reinhardtii under fluctuating carbon availability. Photosynth Res. 2013;117:449-59 pubmed publisher
    ..and energy production of CEF activation in Chlamydomonas reinhardtii under rapid changes of organic and inorganic carbon availability...
  44. Sandrini G, Matthijs H, Verspagen J, Muyzer G, Huisman J. Genetic diversity of inorganic carbon uptake systems causes variation in CO2 response of the cyanobacterium Microcystis. ISME J. 2014;8:589-600 pubmed publisher
    ..Growth experiments showed that strains with sbtA performed better at low inorganic carbon (Ci) conditions, whereas strains with bicA performed better at high Ci conditions...
  45. Wang F, Xu X, Zou B, Guo Z, Li Z, Zhu W. Biomass accumulation and carbon sequestration in four different aged Casuarina equisetifolia coastal shelterbelt plantations in South China. PLoS ONE. 2013;8:e77449 pubmed publisher
    ..These plantations also play an important role in the regional carbon (C) cycling. In this study, we examined plant biomass increment and C accumulation in four different aged C...
  46. Eckert E, Baumgartner M, Huber I, Pernthaler J. Grazing resistant freshwater bacteria profit from chitin and cell-wall-derived organic carbon. Environ Microbiol. 2013;15:2019-30 pubmed publisher
    ..The spring period is also characterized by increased availability of organic carbon species that are in parts derived from cellular debris generated during bacterivory or viral lysis, such as ..
  47. Schleicher N, Norra S, Fricker M, Kaminski U, Chen Y, Chai F, et al. Spatio-temporal variations of black carbon concentrations in the Megacity Beijing. Environ Pollut. 2013;182:392-401 pubmed publisher
    The spatial and temporal distribution and the flux of black carbon (BC) concentration in Beijing were continuously investigated over a two-year period at five sites to highlight the relative influence of contributing sources...
  48. Allen D, YOUNG J. Carbon and nitrogen provisions alter the metabolic flux in developing soybean embryos. Plant Physiol. 2013;161:1458-75 pubmed publisher
    Soybean (Glycine max) seeds store significant amounts of their biomass as protein, levels of which reflect the carbon and nitrogen received by the developing embryo...
  49. Xiang C, Behabtu N, Liu Y, Chae H, Young C, Genorio B, et al. Graphene nanoribbons as an advanced precursor for making carbon fiber. ACS Nano. 2013;7:1628-37 pubmed publisher
    ..The specific modulus of trGNR fibers is higher than that of the commercial general purpose carbon fibers and commonly used metals such as Al, Cu, and steel...
  50. Liu Y, Liu C, Wang S, Guo K, Yang J, Zhang X, et al. Organic carbon storage in four ecosystem types in the karst region of southwestern China. PLoS ONE. 2013;8:e56443 pubmed publisher
    ..The role of karst ecosystems in the global carbon cycle remains unclear, due to the lack of an appropriate method for determining the thickness of the solum, a ..
  51. Sulpice R, Nikoloski Z, Tschoep H, Antonio C, Kleessen S, Larhlimi A, et al. Impact of the carbon and nitrogen supply on relationships and connectivity between metabolism and biomass in a broad panel of Arabidopsis accessions. Plant Physiol. 2013;162:347-63 pubmed publisher
    ..A panel of 97 genetically diverse Arabidopsis (Arabidopsis thaliana) accessions was grown in near-optimal carbon and nitrogen supply, restricted carbon supply, and restricted nitrogen supply and analyzed for biomass and 54 ..
  52. Lai B, Chen D. LaB6 nanoparticles with carbon-doped silica coating for fluorescence imaging and near-IR photothermal therapy of cancer cells. Acta Biomater. 2013;9:7556-63 pubmed publisher
    ..Furthermore, the surface of LaB6 nanoparticles is coated with a carbon-doped silica (C-SiO2) shell to introduce a fluorescent property and improve stability and biocompatibility...
  53. Harrabi S, Combs S, Brons S, Haberer T, Debus J, Weber K. Temozolomide in combination with carbon ion or photon irradiation in glioblastoma multiforme cell lines - does scheduling matter?. Int J Radiat Biol. 2013;89:692-7 pubmed publisher
    To extend the application area of particle therapy with carbon ions the many already established treatment regimens for different tumor entities have to be taken into consideration...
  54. Lee B, Son S, Seo J, Park K, Lee G, Lee S, et al. Facile conductive bridges formed between silicon nanoparticles inside hollow carbon nanofibers. Nanoscale. 2013;5:4790-6 pubmed publisher
    ..on a simple and effective method for improving the electrochemical performance of silicon nanoparticle-core/carbon-shell (Si-core/C-shell) nanofibers...
  55. Okamoto N, Ishikura M, Yanada R. Cleavage of carbon-carbon triple bond: direct transformation of alkynes to nitriles. Org Lett. 2013;15:2571-3 pubmed publisher
    A new cleavage reaction of carbon-carbon triple bonds proceeds efficiently with NIS and TMSN3, giving the corresponding nitriles in moderate to good yields.
  56. Zanobetti A, Coull B, Gryparis A, Kloog I, Sparrow D, Vokonas P, et al. Associations between arrhythmia episodes and temporally and spatially resolved black carbon and particulate matter in elderly patients. Occup Environ Med. 2014;71:201-7 pubmed publisher
    ..Defibrillator discharge studies have examined the association of air pollution with arrhythmias in sensitive populations. No studies have assessed this association using residence-specific estimates of air pollution exposure...
  57. Villano M, Scardala S, Aulenta F, Majone M. Carbon and nitrogen removal and enhanced methane production in a microbial electrolysis cell. Bioresour Technol. 2013;130:366-71 pubmed publisher
    ..08gCOD/Ld) with acetate in anaerobic mineral medium. A gas mixture (carbon dioxide 30vol.% in N(2)) was continuously added to the cathode for both pH control and carbonate supply...
  58. Xu Y, Wu M, Liu Y, Feng X, Yin X, He X, et al. Nitrogen-doped carbon dots: a facile and general preparation method, photoluminescence investigation, and imaging applications. Chemistry. 2013;19:2276-83 pubmed publisher
    b>Carbon dots (Cdots) are an important probe for imaging and sensing applications because of their fluorescence property, good biocompatibility, and low toxicity...
  59. Kreuzer M, Schmutzler K, Waege I, Thomm M, Hausner W. Genetic engineering of Pyrococcus furiosus to use chitin as a carbon source. BMC Biotechnol. 2013;13:9 pubmed publisher
    ..From these data we assume that Pyrococcus furiosus is most likely unable to use chitin as a carbon source...
  60. Marttila E, Bowyer P, Sanglard D, Uittamo J, Kaihovaara P, Salaspuro M, et al. Fermentative 2-carbon metabolism produces carcinogenic levels of acetaldehyde in Candida albicans. Mol Oral Microbiol. 2013;28:281-91 pubmed publisher
    ..In yeast acetaldehyde is a by-product of the pyruvate bypass that converts pyruvate into acetyl-Coenzyme A (CoA) during fermentation...
  61. Malik A, Gleixner G. Importance of microbial soil organic matter processing in dissolved organic carbon production. FEMS Microbiol Ecol. 2013;86:139-48 pubmed publisher
    Soil dissolved organic carbon (DOC) sources and its seasonal dynamics are poorly known...
  62. Li X, Wang Y, Liu L, Luo G, Li Y, Chen X. Effect of land use history and pattern on soil carbon storage in arid region of Central Asia. PLoS ONE. 2013;8:e68372 pubmed publisher
    The purpose of this study is to investigate variations in soil organic carbon (SOC) in arid areas due to differences in the cultivation history, land use, and soil salinization...
  63. Xia G, Li D, Chen X, Tan Y, Tang Z, Guo Z, et al. Carbon-coated Li3 N nanofibers for advanced hydrogen storage. Adv Mater. 2013;25:6238-44 pubmed publisher
    3D porous carbon-coated Li3 N nanofibers are successfully fabricated via the electrospinning technique. The as-prepared nanofibers exhibit a highly improved hydrogen-sorption performance in terms of both thermodynamics and kinetics...
  64. Giering S, Sanders R, Lampitt R, Anderson T, Tamburini C, Boutrif M, et al. Reconciliation of the carbon budget in the ocean's twilight zone. Nature. 2014;507:480-3 pubmed publisher
    Photosynthesis in the surface ocean produces approximately 100 gigatonnes of organic carbon per year, of which 5 to 15 per cent is exported to the deep ocean...
  65. Schrettl S, Stefaniu C, Schwieger C, Pasche G, Oveisi E, Fontana Y, et al. Functional carbon nanosheets prepared from hexayne amphiphile monolayers at room temperature. Nat Chem. 2014;6:468-76 pubmed publisher
    b>Carbon nanostructures that feature two-dimensional extended nanosheets are important components for technological applications such as high-performance composites, lithium-ion storage, photovoltaics and nanoelectronics...
  66. Weng W, Pol V, Amine K. Ultrasound assisted design of sulfur/carbon cathodes with partially fluorinated ether electrolytes for highly efficient Li/S batteries. Adv Mater. 2013;25:1608-15 pubmed publisher
    A one-step, eco-friendly ultrasound-assisted process is established for the rapid synthesis of sulfur-carbon composite cathode materials, avoiding the widely used, energy inefficient "melt-down" process for Li-S batteries...
  67. Quan B, Nam G, Choi H, Piao Y. Synthesis of monodisperse hollow carbon nanocapsules by using protective silica shells. Chem Asian J. 2013;8:765-70 pubmed publisher
    Monodisperse hollow carbon nanocapsules (<200 nm) with mesoporous shells were synthesized by coating their outer shells with silica to prevent aggregation during their high-temperature annealing...
  68. Macreadie P, Hughes A, Kimbro D. Loss of 'blue carbon' from coastal salt marshes following habitat disturbance. PLoS ONE. 2013;8:e69244 pubmed publisher
    Increased recognition of the global importance of salt marshes as 'blue carbon' (C) sinks has led to concern that salt marshes could release large amounts of stored C into the atmosphere (as CO2) if they continue undergoing disturbance, ..
  69. Boisen A, SHIPLEY T, Jackson P, Wallin H, Nellemann C, Vogel U, et al. In utero exposure to nanosized carbon black (Printex90) does not induce tandem repeat mutations in female murine germ cells. Reprod Toxicol. 2013;41:45-8 pubmed publisher
    ..We investigated the effects of prenatal exposure to carbon black nanoparticles (CB) on induction of mutations in the female mouse germline during fetal development, spanning ..
  70. Murugesan K, Baumann S, Wissenbach D, Kliemt S, Kalkhof S, Otto W, et al. Subtoxic and toxic concentrations of benzene and toluene induce Nrf2-mediated antioxidative stress response and affect the central carbon metabolism in lung epithelial cells A549. Proteomics. 2013;13:3211-21 pubmed publisher
    ..The data provided here will allow for a targeted validation in in vivo models. ..
  71. Martin P, Newton A, Bullock J. Carbon pools recover more quickly than plant biodiversity in tropical secondary forests. Proc Biol Sci. 2013;280:20132236 pubmed publisher
    ..are being made to restore tropical forests, little information is available regarding the time scales required for carbon and plant biodiversity to recover to the values associated with undisturbed forests...
  72. Fanin N, Barantal S, Fromin N, Schimann H, Schevin P, Hättenschwiler S. Distinct microbial limitations in litter and underlying soil revealed by carbon and nutrient fertilization in a tropical rainforest. PLoS ONE. 2012;7:e49990 pubmed publisher
    Human-caused alterations of the carbon and nutrient cycles are expected to impact tropical ecosystems in the near future...
  73. Adams H, Germino M, Breshears D, Barron Gafford G, Guardiola Claramonte M, Zou C, et al. Nonstructural leaf carbohydrate dynamics of Pinus edulis during drought-induced tree mortality reveal role for carbon metabolism in mortality mechanism. New Phytol. 2013;197:1142-51 pubmed publisher
    ..to vegetation change, are understudied, and physiological mechanisms remain unclear, particularly the roles of carbon metabolism and xylem function...
  74. Zhao G, Bryan B, King D, Luo Z, Wang E, Song X, et al. Impact of agricultural management practices on soil organic carbon: simulation of Australian wheat systems. Glob Chang Biol. 2013;19:1585-97 pubmed publisher
    Quantifying soil organic carbon (SOC) dynamics at a high spatial and temporal resolution in response to different agricultural management practices and environmental conditions can help identify practices that both sequester carbon in the ..
  75. Tertis M, Florea A, Sandulescu R, Cristea C. Carbon based electrodes modified with horseradish peroxidase immobilized in conducting polymers for acetaminophen analysis. Sensors (Basel). 2013;13:4841-54 pubmed publisher
    The development and optimization of new biosensors with horseradish peroxidase immobilized in carbon nanotubes-polyethyleneimine or polypyrrole nanocomposite film at the surface of two types of transducer is described...
  76. Bar Zeev E, Avishay I, Bidle K, Berman Frank I. Programmed cell death in the marine cyanobacterium Trichodesmium mediates carbon and nitrogen export. ISME J. 2013;7:2340-8 pubmed publisher
    The extent of carbon (C) and nitrogen (N) export to the deep ocean depends upon the efficacy of the biological pump that transports primary production to depth, thereby preventing its recycling in the upper photic zone...
  77. Nurul Karim M, Lee H. Amperometric phenol biosensor based on covalent immobilization of tyrosinase on Au nanoparticle modified screen printed carbon electrodes. Talanta. 2013;116:991-6 pubmed publisher
    ..developed based on a platform where Au nanoparticles (AuNPs) are electrodeposited onto a disposable screen printed carbon electrode and tyrosinase is then covalently immobilized on the AuNP's using alkanethiol and cross-linker molecules...
  78. Krieger N, Waterman P, Gryparis A, Coull B. Black carbon exposure more strongly associated with census tract poverty compared to household income among US black, white, and Latino working class adults in Boston, MA (2003-2010). Environ Pollut. 2014;190:36-42 pubmed publisher
    We investigated the association of individual-level ambient exposure to black carbon (spatiotemporal model-based estimate for latitude and longitude of residential address) with individual, household, and census tract socioeconomic ..
  79. Sasaki D, Sasaki K, Watanabe A, Morita M, Matsumoto N, Igarashi Y, et al. Operation of a cylindrical bioelectrochemical reactor containing carbon fiber fabric for efficient methane fermentation from thickened sewage sludge. Bioresour Technol. 2013;129:366-73 pubmed publisher
    A bioelectrochemical reactor (BER) containing carbon fiber fabric (CFF) (BER+CFF) enabled efficient methane fermentation from thickened sewage sludge. A cylindrical BER+CFF was proposed and scaled-up to a volume of 4.0-L...
  80. Zhang Z, Dua R, Zhang L, Zhu H, Zhang H, Wang P. Carbon-layer-protected cuprous oxide nanowire arrays for efficient water reduction. ACS Nano. 2013;7:1709-17 pubmed publisher
    In this work, we propose a solution-based carbon precursor coating and subsequent carbonization strategy to form a thin protective carbon layer on unstable semiconductor nanostructures as a solution to the commonly occurring ..
  81. Dons E, Temmerman P, Van Poppel M, Bellemans T, Wets G, Int Panis L. Street characteristics and traffic factors determining road users' exposure to black carbon. Sci Total Environ. 2013;447:72-9 pubmed publisher
    ..The aim of this study is to investigate which factors determine black carbon (BC) concentrations in transport microenvironments...
  82. Muhaidat R, McKown A. Significant involvement of PEP-CK in carbon assimilation of C4 eudicots. Ann Bot. 2013;111:577-89 pubmed publisher
    ..In this study, the presence and activity of PEP-CK in C4 eudicot species of Trianthema and Zaleya (Sesuvioideae, Aizoaceae) is clarified through analysis of key anatomical features and C4 photosynthetic enzymes...
  83. Wang V, Du J, Chen X, Thomas A, Kirchhofer N, Garner L, et al. Improving charge collection in Escherichia coli-carbon electrode devices with conjugated oligoelectrolytes. Phys Chem Chem Phys. 2013;15:5867-72 pubmed publisher
    ..DSSN+), into the membranes of Escherichia coli leads to an increase in current generation in MFCs containing carbon-based electrodes...
  84. McSherry M, Ritchie M. Effects of grazing on grassland soil carbon: a global review. Glob Chang Biol. 2013;19:1347-57 pubmed publisher
    ..Previous studies found both strong positive and negative grazing effects on soil organic carbon (SOC) but explanations for this variation are poorly developed...
  85. Hayat A, Haider W, Rolland M, Marty J. Electrochemical grafting of long spacer arms of hexamethyldiamine on a screen printed carbon electrode surface: application in target induced ochratoxin A electrochemical aptasensor. Analyst. 2013;138:2951-7 pubmed publisher
    A novel strategy based on direct electrochemistry of amino group on screen printed carbon electrode surface (SPCE) was purposed. The purposed method was employed for the label free detection of ochratoxin A (OTA)...
  86. Duncan T, Reed M, Nijhout H. A population model of folate-mediated one-carbon metabolism. Nutrients. 2013;5:2457-74 pubmed publisher
    Previous mathematical models for hepatic and tissue one-carbon metabolism have been combined and extended to include a blood plasma compartment...
  87. Liang S, Wang B, Pan L, Ye Y, He M, Han S, et al. Comprehensive structural annotation of Pichia pastoris transcriptome and the response to various carbon sources using deep paired-end RNA sequencing. BMC Genomics. 2012;13:738 pubmed publisher
    ..The study of the P. pastoris transcriptome helps to annotate the P. pastoris transcript structures and provide useful information for further improvement of the production of recombinant proteins...
  88. Grupp T, Giurea A, Miehlke R, Hintner M, Gaisser M, Schilling C, et al. Biotribology of a new bearing material combination in a rotating hinge knee articulation. Acta Biomater. 2013;9:7054-63 pubmed publisher
    ..to evaluate the biotribological behaviour, in terms of wear and particle release, of bushings and flanges made of carbon fibre reinforced poly-ether-ether-ketone (CFR-PEEK) in articulation with a zirconium nitride (ZrN) multilayer ..
  89. Maharaj D, Bhushan B, Iijima S. Effect of carbon nanohorns on nanofriction and wear reduction in dry and liquid environments. J Colloid Interface Sci. 2013;400:147-60 pubmed publisher
    ..In this research, for the first time, carbon nanohorn (CNH) nanoparticles were studied on the nanoscale under dry and low viscosity liquid environments for ..
  90. Rasmussen J, Vegge C, Fr Ki R H, Howlett R, Krogfelt K, Kelly D, et al. Campylobacter jejuni carbon starvation protein A (CstA) is involved in peptide utilization, motility and agglutination, and has a role in stimulation of dendritic cells. J Med Microbiol. 2013;62:1135-43 pubmed publisher
    ..One of the immunogenic proteins identified (Cj0917) displays homology to carbon starvation protein A (CstA) from Escherichia coli, where this protein is involved in the starvation response and ..
  91. Misiak B, Frydecka D, Piotrowski P, Kiejna A. The multidimensional nature of metabolic syndrome in schizophrenia: lessons from studies of one-carbon metabolism and DNA methylation. Epigenomics. 2013;5:317-29 pubmed publisher
    ..This article provides an update on the epigenetics of schizophrenia and reviews studies on the role of one-carbon metabolism and aberrant DNA methylation in the development of MetS.
  92. Li H, Zhang H, Miao G, Xie Y, Sun C, Di C, et al. Simulated microgravity conditions and carbon ion irradiation induce spermatogenic cell apoptosis and sperm DNA damage. Biomed Environ Sci. 2013;26:726-34 pubmed publisher
    To investigate the effect of simulated microgravity and carbon ion irradiation (CIR) on spermatogenic cell apoptosis and sperm DNA damage to the testis of male Swiss Webster mice, and assess the risk associated with space environment.