Comb-Like Fluorophilic-Lipophilic-Hydrophilic Polymers for Nanocapsules as Ultrasound Contrast Agents

Comb-like Polymers inside Nanoscale Pores

Liposomes as ultrasound imaging contrast agents and as ultrasound-sensitive drug delivery agents.

Ultrasound imaging contrast agents that exhibit an affinity for specific tissue types, and especially, disease sites, would have considerable clinical value. Liposomal dispersions can be prepared such that they both reflect diagnostic ultrasound [1] and, when conjugated to an appropriate antibody, target themselves to thrombi in the vascular circulation [2]. The procedure for preparation of ult...

Pom-pom like constitutive equations for comb polymers

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Bioeffects considerations for diagnostic ultrasound contrast agents.

Diagnostic ultrasound contrast agents have been developed for enhancing the echogenicity of blood and for delineating other structures of the body. Approved agents are suspensions of gas bodies (stabilized microbubbles), which have been designed for persistence in the circulation and strong echo return for imaging. The interaction of ultrasound pulses with these gas bodies is a form of acoustic...

Hydrophilic Natural Polymers for Sustained-controlled Release of Calcium Hydroxide

Calcium Hydroxide (CH) is commonly employed as intracanal medicament in endodontics. In order to maximize its therapeutic effects, it is essential to develop new approaches for preparing the controlled drug release systems which, in turn, facilities the dissociation of CH into calcium and hydroxyl ions. This work studies the sustained-controlled release of calcium ions and the effect of pH chan...