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Benzo[c]thiophene Chromophores Linked to Cationic Fe and Ru Derivatives for NLO...
Silva, Tiago J. L.; Mendes, Paulo J.; Garcia, M. Helena; Robalo, M. Paula; Prates Ramalho, J. P.; Palace Carvalho, A. J.; Büchert, Marinaη5-Monocyclopentadienyliron(II)/ruthenium(II) complexes of the general formula [M(η5-C5H5)(PP)(L1)][PF6] {M = Fe, PP = dppe; M = Ru, PP = dppe or 2PPh3; L1 = 5-[3-(thiophen-2-yl)- benzo[c]thiophenyl]thiophene-2-carbonitrile} have been synthesized and studied to evaluate their molecular quadratic hyperpolarizabilities. The compounds were fully characterized by NMR, FTIR and UV/Vis spectroscopy and their Introduc...
Influence of mordants in the colour of natural dyes: theoretical predictions an...
Costa, Cristina; Estêvão Candeias, A. J.; Palace Carvalho, A. J.; Prates Ramalho, J. P.Arraiolos tapestries are probably one of the richest artistic Portuguese expressions in terms of textile production and a cultural heritage that urges to preserve. The richness of colours displayed by some of the Arraiolos tapestries denotes the likely use of a wide variety of dyes. The different light-fastness of dyes combined with the use of different types of mordants can also explain the appearance of pale ...
T-20 and T-1249 HIV fusion inhibitors’ structure and conformational behavior in...
Canto, A. M. T. M.; Palace Carvalho, A. J.; Prates Ramalho, J. P.Fusion of the HIV envelope with the target cell membrane is a critical step of HIV entry into the target cell. Several peptides based on the C-region of HIV gp41 have been used in clinical trials as possible HIV fusion inhibitors. Among these are T-1249 and T-20 (also known as enfurvitide; see fig. 1). Despite recent works, a detailed molecular picture of the inhibitory mechanism of these molecules is still lac...
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