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Träfflista för sökning "WFRF:(Raimondi C) "

Search: WFRF:(Raimondi C)

  • Result 1-10 of 44
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  • Niemi, MEK, et al. (author)
  • 2021
  • swepub:Mat__t
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  • 2017
  • swepub:Mat__t
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  • Finetti, P., et al. (author)
  • Pulse duration of seeded free electron lasers
  • 2017
  • In: Physical Review X. - 2160-3308. ; 7:2
  • Journal article (peer-reviewed)abstract
    • The pulse duration, and, more generally, the temporal intensity profile of free-electron laser (FEL) pulses, is of utmost importance for exploring the new perspectives offered by FELs; it is a nontrivial experimental parameter that needs to be characterized. We measured the pulse shape of an extreme ultraviolet externally seeded FEL operating in high-gain harmonic generation mode. Two different methods based on the cross-correlation of the FEL pulses with an external optical laser were used. The two methods, one capable of single-shot performance, may both be implemented as online diagnostics in FEL facilities. The measurements were carried out at the seeded FEL facility FERMI. The FEL temporal pulse characteristics were measured and studied in a range of FEL wavelengths and machine settings, and they were compared to the predictions of a theoretical model. The measurements allowed a direct observation of the pulse lengthening and splitting at saturation, in agreement with the proposed theory.
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10.
  • Harrison, C. J., et al. (author)
  • An international study of intrachromosomal amplification of chromosome 21 (iAMP21) : cytogenetic characterization and outcome
  • 2014
  • In: Leukemia. - : Springer Science and Business Media LLC. - 0887-6924 .- 1476-5551. ; 28:5, s. 1015-1021
  • Journal article (peer-reviewed)abstract
    • Intrachromosomal amplification of chromosome 21 (iAMP21) defines a distinct cytogenetic subgroup of childhood B-cell precursor acute lymphoblastic leukaemia (BCP-ALL). To date, fluorescence in situ hybridisation (FISH), with probes specific for the RUNX1 gene, provides the only reliable detection method (five or more RUNX1 signals per cell). Patients with iAMP21 are older (median age 9 years) with a low white cell count. Previously, we demonstrated a high relapse risk when these patients were treated as standard risk. Recent studies have shown improved outcome on intensive therapy. In view of these treatment implications, accurate identification is essential. Here we have studied the cytogenetics and outcome of 530 iAMP21 patients that highlighted the association of specific secondary chromosomal and genetic changes with iAMP21 to assist in diagnosis, including the gain of chromosome X, loss or deletion of chromosome 7, ETV6 and RB1 deletions. These iAMP21 patients when treated as high risk showed the same improved outcome as those in trial-based studies regardless of the backbone chemotherapy regimen given. This study reinforces the importance of intensified treatment to reduce the risk of relapse in iAMP21 patients. This now well-defined patient subgroup should be recognised by World Health Organisation (WHO) as a distinct entity of BCP-ALL.
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  • Result 1-10 of 44

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