Two new long chain tryptophan compounds viz [3-(indolyl-30)-2-(N-octadecamido)]-methylpropionate (4) and sodium-[3-(indolyl-30)-2(N-octadecamido)]-propionate (5) have been prepared and their ̄uorescence properties ( max, f, f, rss, quenching) have been investigated in homogeneous media and in phosphatidyl choline vesicles. Both 4 and 5 in a membrane mimicking system of phosphatidylcholine vesic...

Polyacetylene, the simplest and oldest of potentially conducting polymers, has never been made in a form that permits rigorous determination of its structure. Trans polyacetylene in its fully extended form will have a potential energy surface with two equivalent minima. It has been assumed that this results in bond length alternation. It is, rather, very likely that the zero-point energy is abo...

In the absence of sterol, amphotericin B at 5 x 10(-6) M caused maximum marker release from the saturated dipalmitoyl lecithin liposomes, minimum release from the unsaturated dioleoyl lecithin liposomes, and an in-between response from egg lecithin liposomes. Nystatin at 2.5 to 4.0 x 10(-5) M induced appreciable marker release from all three types of sterol-free liposomes. The amphotericin B- a...

An efficient synthesis of diverse hetero-bis-metallated alkenes with conjugated and isolated olefin subunits is reported. Relying on those useful tin/boron reagents a convergent, palladium-catalyzed fragment coupling strategy has been developed as an elegant methodology to construct highly conjugated polyenes and stabilized olefinic analogues thereof. The utility of these reagents was further d...

This Special Issue is designed to highlight the latest research and development on new antifungal compounds with mechanisms of action different from the ones of polyenes, azoles, and echinocandins. The papers presented here highlight new pathways and targets that could be exploited for the future development of new antifungal agents to be used alone or in combination with existing antifungals. ...