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Träfflista för sökning "WFRF:(Lieu C) srt2:(2020-2022)"

Sökning: WFRF:(Lieu C) > (2020-2022)

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  • Zaborowski, AM, et al. (författare)
  • Microsatellite instability in young patients with rectal cancer: molecular findings and treatment response
  • 2022
  • Ingår i: The British journal of surgery. - : Oxford University Press (OUP). - 1365-2168 .- 0007-1323. ; 109:3, s. 251-255
  • Tidskriftsartikel (refereegranskat)abstract
    • In this study of 400 patients with early-onset rectal cancer, 12.5 per cent demonstrated microsatellite instability (MSI). MSI was associated with a reduced likelihood of nodal positivity, an increased rate of pathological complete response, and improved disease-specific survival.
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3.
  • Shen, L., et al. (författare)
  • Decoupling spin-orbital correlations in a layered manganite amidst ultrafast hybridized charge-transfer band excitation
  • 2020
  • Ingår i: Physical Review B. - 2469-9950. ; 101:20
  • Tidskriftsartikel (refereegranskat)abstract
    • In the mixed-valence manganites, a near-infrared laser typically melts the orbital and spin order simultaneously, corresponding to the photoinduced d1d0→d0d1 excitations in the Mott-Hubbard bands of manganese. Here, we use ultrafast methods-both femtosecond resonant X-ray diffraction and optical reflectivity-to demonstrate that the orbital response in the layered manganite Nd1-xSr1+xMnO4(x=2/3) does not follow this scheme. At the photoexcitation saturation fluence, the orbital order is only diminished by a few percent in the transient state. Instead of the typical d1d0→d0d1 transition, a near-infrared pump in this compound promotes a fundamentally distinct mechanism of charge transfer, the d0→d1L, where L denotes a hole in the oxygen band. This finding may pave a different avenue for selectively manipulating specific types of order in complex materials of this class.
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