Background: Planimetry is a method used to evaluate the progression of skin wound healing. Computerized planimetry is still an experimental method, but its advantages have been demonstrated in several investigations. Objective: To evaluate the effects of lowintensity pulsed ultrasound on the healing of a skin lesion produced on the dorsal region of rats, by means of computerized planimetry. Met...

A new bioassay technique, sonication-assisted metalenhanced fluorescence, which is based on the combined use of ultrasound waves and metal-enhanced fluorescence (MEF), is reported. In this technique, low-intensity ultrasound waves significantly reduce the bioassay time by creating a temperature gradient between the bulk and the surface, which is thought to result in a mass transport of biomolec...

Objectives: The aim of this study was to investigate the combined effects of bone allograft and lowintensity pulsed ultrasound (LIPUS) on osteogenesis using a bone allograft model. Methods: Femora and tibiae were harvested from 8 Wistar rats. These long bones were used for bone allografts. Subsequently, two groups were studied. In the bone allograft group, freeze-dried bone was fixed unilateral...

Transcranial Direct-Current Stimulation (tDCS) is a non-invasive form of brain stimulation similar to transcranial magnetic stimulation, but instead of using magnets, it uses a lowintensity, constant current applied through scalp electrodes. Generally, anodal stimulation induces an increase of cortical excitability, whereas cathodal stimulation decreases cortical excitability, with effects that...

Commercial videoconferencing products have begun to reach a level of quality acceptable for many lowintensity interactions. However, these systems fail to deliver true “high-fidelity” that serves as a viable alternative to physical co-presence for more demanding interactions. The solution, we believe, lies in the synergy between high bandwidth networks and the application of information technol...

The temporal evolution of microwave pulses transmitted through random dielectric samples is obtained from the Fourier transform of field spectra. Large fluctuations are found in the local or single-channel delay time, which is the first temporal moment of the transmitted pulse at a point in the output speckle pattern. Both positive and negative values of the local delay time are observed. The w...