Broad-band measurements of dielectric permittivity in coaxial line using partially filled circular waveguide.

The full-wave analysis was applied for a coaxial line (i.e., transmission line) that has a "short-circuited" discontinuity.

Full-wave finite space model of open-ended coaxial line for dielectric spectroscopy of liquids.

The physical equipment was built according to the mathematical model and tested. The performance of equipment is demonstrated measuring two known liquids, methanol and isopropanol, up to 40 GHz. The accuracy and sensitivity, and the versatility and ease of manufacturing of the measurement cell are discussed.

Clinical and Functional Outcomes of Gastrocnemius Recession for Chronic Achilles Tendinopathy.

Background: Although gastrocnemius recession has been proposed and used in the treatment of chronic noninsertional Achilles tendinopathy, only weak evidence exists to support this operative indication. The purpose of our study was to assess the clinical and functional outcomes of patients treated with gastrocnemius recession at 2 institutions for this problem.

Methods: Thirty-four patients were identified through our medical records and asked to participate in this study.

Effective inactivation of food pathogens Listeria monocytogenes and Salmonella enterica by combined treatment of hypericin-based photosensitization and high power pulsed light.

Aims: The aim of this study was to evaluate the inactivation efficiency of Listeria monocytogenes ATC(L3) C 7644 and Salmonella enterica serovar Typhimurium strain DS88 by combined treatment of hypericin (Hyp)-based photosensitization and high power pulsed light (HPPL).

Methods And Results: Cells were incubated with Hyp (1 × 10(-5) or 1 × 10(-7) mol l(-1)) in PBS and illuminated with a light λ = 585 nm. For the combined treatment, bacteria were, after photosensitization, exposed to 350 pulses of HPPL (UV light dose = 0·023 J cm(-2)).

Dielectric investigations and theoretical calculations of size effect in lead titanate nanocrystals.

The dielectric properties of nanograin ferroelectric lead titanate crystals are presented. The PbTiO3 samples were prepared by pressing nanopowders into plates and were studied experimentally by dielectric permittivity measurements in a wide frequency and temperature range. The TC dependence obtained showed a critical change of behavior with increasing mean nanoparticle size in the 9-nm region.