SRBI 1903–1914: ISTORIJA IDEJA

Istorija Medicine History of Medicine

reflektuju daleko starija medicinska saznanja jos iz "Starog carstva" [1]. Najpoznatiji i najveci rukopisi Sll tzv. Smitov (Smith) I Ebersov (Ebers) papirus koji datiraju iz 17. i 16. veka p.n.e. Medutirn i pored brojnih dokaza 0 razvijenosti medicinske delatnosti II starom Egiptu malo je ostalo imenom zabelezenih lekara. Prvi lekar u starom Egiptu cije je ime ostalo zabelezeno, a ujedno je to ...

Istorija Medicine History of Medicine

virna francuskog hirurga Ambroise Pare-a (15101590) (Slika 2) iz 1582. godine. Caspar Bauchin je 1579. godine postavio hipotezu 0 ulozi crvuljka kao rezervoara za feces ploda tokom intrauterinog zivota. Moguce je da je on zamenio crvuljak sa divertikulumorn koga Johan Friedrich Meckel (18101894) opisuje dvesta godina kasnije [3]. Najznacajniji anatom XVIII veka, Giovanni Battista Morgagni (1687...

Electronic Structure and Ferroelectricity in Srbi 2 Ta 2 O 9

The electronic structure of SrBi 2 Ta 2 O 9 is investigated from first-principles, within the local density approximation, using the full-potential linearized augmented plane wave (LAPW) method. The results show that, besides the large Ta(5d)-O(2p) hybridization which is a common feature of the ferroelectric perovskites, there is an important hybridization between bismuth and oxygen states. The...

Variations of differential capacitance in SrBi 2 Ta 2 O 9 ferroelectric films induced by photoperturbation

Xanthophylls are preferentially taken up compared with beta-carotene by retinal cells via a SRBI-dependent mechanism.

The purpose of this study was to investigate the mechanisms by which carotenoids [xanthophylls vs. beta-carotene(beta-C)] are taken up by retinal pigment epithelial (RPE) cells. The human RPE cell line, ARPE-19, was used. When ARPE-19 cells were fully differentiated (7-9 weeks), the xanthophylls lutein (LUT) and zeaxanthin (ZEA) were taken up by cells to an extent 2-fold higher than beta-C (P <...