PURPOSE Calcium-silicate cements have been recently proposed for application in dentistry as root-end filling and root-perforation repair materials. The aim of this study was to investigate the effect of ageing of experimental calcium-silicate cements on the chemistry, morphology and in vitro bioactivity of the surface, as well as on osteoblast viability and proliferation. METHODS Two experim...

The goal of automatic program repair is to identify a set of syntactic changes that can turn a program that is incorrect with respect to a given specification into a correct one. Existing program repair techniques typically aim to find any program that meets the given specification. Such “best-effort” strategies can end up generating a program that is quite different from the original one. Nove...

Over the past five years Massive Open Online Courses (MOOCs) have ignited the imagination of venture capitalists, politicians, non-traditional students and the public more than most other e-learning trends for the past decades. There have been not only hopes to „bring top-notch courses to the world’s poorest citizens and reshaping the way all students learn” but even promises to provide world c...

Laser-induced breakdown spectroscopy (LIBS) is applied to characterize the formation of porous hydroxyapatite layers on the surface of 0.8CaSiO₃-0.2Ca₃(PO₄)₂ biocompatible eutectic glass immersed in simulated body fluid (SBF). Compositional and structural characterization analyses were also conducted by field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectroscopy (E...

Advances in field of ultrasound over the past twenty years have generated increasing interest in utilizing the technology in neuromuscular assessment and diagnosis. High-resolution ultrasound offers a noninvasive, realtime, static and dynamic examination of the peripheral nervous system, yielding information which complements the neurological examination, electrodiagnostic testing (EDX), and ot...