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- Juhasz, P., et al.
(författare)
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ESI and MALDI LC/MS-MS approaches for large scale protein, identification and quantification : Are they equivalent?
- 2002
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Ingår i: ; , s. 55-56
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Konferensbidrag (refereegranskat)abstract
- An approach for large scale protein identification and quantification was described. The peptide mixtures from the strong cation exchange (SCX) fractionated protein digests were separated and analyzed by HPLC MS/MS. The human fibrobalst nuclei were purified from stimulated and non-stimulated cells. The quantification results with MALDI and ESI LC/MS were shown to be identical within experimental error.
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3. |
- Valenta, J., et al.
(författare)
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Photonic band-gap effects on photoluminescence of silicon nanocrystals embedded in artificial opals
- 2003
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Ingår i: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 93:8, s. 4471-4474
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Tidskriftsartikel (refereegranskat)abstract
- Si nanocrystals were formed in synthetic opals by Si-ion implantation and their optical properties studied using microphotoluminescence and reflection techniques. The properties of areas with high crystalline quality are compared with those of disordered regions of samples. The photoluminescence spectrum from Si nanocrystals embedded in silica spheres is narrowed by the inhibition of emission at wavelengths corresponding to the opal photonic pseudoband gap (similar to690 nm). Measurements of photoluminescence spectra from individual implanted silica spheres is also demonstrated and the number of emitting Si nanocrystals in single brightly emitting spheres is estimated to be of the order of one thousand.
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