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Photosynthetic pigments, which undergo electron transfer reactions, are specifically associated with the D1-D2-Cytb559 protein complex. A particular aggregated state of in vivo chlorophyll a (Chl a) is responsible for the high-energy conversion efficiency. The Langmuir- Blodgett (L-B) technique allows preparation of systems that potentially mimic the packing of Chl a in vivo. Water has a pronounced...
Two amphiphilic PAMAM dendrimers are synthesized by attaching 12-hydroxydodecanoic acid (HA) chains to a poly(amido amine) (PAMAM) dendrimer core (including generation I and generation II). The limiting molecular area obtained from the surface pressure–area isotherm at the air/water interface suggests the edge-on configuration for both dendrimers in Langmuir films. The edge-on arrangement is also...
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