Effectiveness of Three-dimensional Cardiac Computed Tomography Scan in Congenital Heart Surgery-An Impact on Diagnostic Performance and Surgical Management.

Background: Recent advances in gated cardiac contrast-enhanced computed tomography (CECT) with anesthesia support, enhance the imaging performance in congenital heart disease (CHD). 3D reconstruction of the CECT image is a novel modality that could help manage pediatric cardiac patients.

Methods: A retrospective study of children diagnosed with CHD presenting for surgical intervention (n = 139) was carried out at our cardiac surgical center.

Na detection brightening of synergistically originated noble metal nanoclusters.

Weakly fluorescent AuAg nanoclusters were obtained from glutathione, chloroauric acid, and silver nitrate aqueous solution under a modified hydrothermal method. Such glutathione-capped synergistically evolved clusters were obtained for the first time by employing our experimental conditions. Such weak fluorescence was made significantly brighter by employing Na and a Na sensor was obtained with a linear detection range of 10-5 × 10 M, while the limit of detection was 1.

Novel environmental applications of green tea: sensing and remediation of Ag in aqueous system.

The strong fluorescence of green tea was quenched with Fe because of ligand-to-metal charge transfer and subsequent formation of magnetite (FeO) nanoparticles (heavy metal effect). Ag restored the lost fluorescence by confining iron particles (capped with Cl) with the formation of AgCl. Thus, toxic Ag was sensed in the aqueous system with a linear detection range of 10 M to 10 M and a detection limit of 4.

Synergism between copper and silver nanoclusters induces fascinating structural modifications, properties, and applications.

Among the group 11 transition metal elements, Cu and Ag are widely studied due to their cost effectiveness and easy availability. However, the synergism between copper and silver is also very promising, exhibiting intriguing structures, properties, and applications. Nanoclusters, which are missing links between atoms and nanoparticles, are highly fluorescent due to their discrete energy levels.