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Sökning: WFRF:(Wylie R. Stephen)

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1.
  • Weinstein, John N., et al. (författare)
  • The cancer genome atlas pan-cancer analysis project
  • 2013
  • Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 45:10, s. 1113-1120
  • Forskningsöversikt (refereegranskat)abstract
    • The Cancer Genome Atlas (TCGA) Research Network has profiled and analyzed large numbers of human tumors to discover molecular aberrations at the DNA, RNA, protein and epigenetic levels. The resulting rich data provide a major opportunity to develop an integrated picture of commonalities, differences and emergent themes across tumor lineages. The Pan-Cancer initiative compares the first 12 tumor types profiled by TCGA. Analysis of the molecular aberrations and their functional roles across tumor types will teach us how to extend therapies effective in one cancer type to others with a similar genomic profile. © 2013 Nature America, Inc. All rights reserved.
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2.
  • Armstrong, Emily J., et al. (författare)
  • A ground-state complex between methyl viologen and the fluorescent whitening agent 4,4 '-bis(2-sulfostyryl)-biphenyl disodium salt : a fluorescence spectroscopy study
  • 2021
  • Ingår i: Canadian journal of chemistry (Print). - : Canadian science publishing. - 0008-4042 .- 1480-3291. ; 99:7, s. 563-569
  • Tidskriftsartikel (refereegranskat)abstract
    • This study explores the quenching of the dianionic fluorescent whitening agent, NFW, by various substances, including methyl viologen (MV), in water and in the presence of beta-cyclodextrin (beta-CD). Results of a fluorescence spectro-scopic examination of the beta-CD-NFW system are presented. It was found that NFW forms a 1:1 inclusion complex with b-CD with an association constant of 2540 +/- 380 M-1. The included NFW fluorescent state is protected by the beta-CD cavity from a range of water-based quenchers (neutral, anionic, and cationic). Quenching proceeds near the diffusion-controlled limit in water for the quenchers tested with the exception of the dicationic MV. Methyl viologen is an extremely efficient quencher of NFW fluorescence with a nominal K-SV similar to 5.0 x 10(3) M-1 in water alone, corresponding to a nominal k(q) of similar to 4 x 10(12) M-1 s(-1), which exceeds the diffusion-controlled limit in this solvent. The quenching efficiency of MV is strongly suppressed in the presence of 10 mM beta-CD (K-SV = 105 +/- 12 M-1) and in the presence of NaCl (K-SV = 106 +/- 9 M-1 at 0.5 M salt). In the absence of CD or salt, there is a strong contribution from static quenching in the MV system; the presence of these additives suppresses the static quenching. Various results suggest the static quenching is due to formation of a ground-state complex between the dianion NFW and the dication MV.
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