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New photochromic amphiphiles 4-(4′-alkylphenylazo)-benzoic acids (CmAzoCOOH, m=8, 10, 12,16) were synthesized and characterized. Their self-assembling properties in solutions have been determined by means of the NMR technique. The photochromic properties of selected derivatives were studied in chloroform solution and in Langmuir-Blodgett (LB) films in relation to the aggregation behavior of the amphiphiles...
Surprisingly in vitro conditions allowing to culture glioblastoma cells presenting EGFR amplification were not known until now. Our evaluation of EGFR amplification status in glioblastoma (GBM) culture demonstrated that this anomaly was preserved for months in spheroids (aggregated glioblastoma cells) at a level comparable to the earliest passage of cell culture. In contrast, and in accordance with...
Langmuir film formation was investigated in a series of alkylheteroaromatic compounds and their mixtures. In the case of pure amphiphilic molecules, the shape and nature of the hydrophilic group seems to play a decisive role in the film formation; however, in binary systems a positive synergy was observed allowing to obtain two-component film of reasonable quality even if one or both the components...
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