Large immunization clinics are commonly held to deliver influenza vaccine to seniors and others. Vaccine is typically dispensed from multi-dose vials but pre-filled syringes are now available, offering time savings for vaccinators. To determine if the higher purchase price of such syringes is offset by savings in time and injection supplies, we did a controlled comparison of syringe and vial fo...

We investigate the nonlocal Hanle effect in high mobility two-dimensional electron systems using (Ga,Mn)As/GaAs spin Esaki diodes as spin selective contacts. Spin signals in these systems can be strongly affected by dynamic nuclear polarization, which mimics long spin-relaxation times extracted from the measured Hanle curves. Here, we introduce a method which largely suppresses these effects by...

One hundred nine trigger fingers in 102 patients were reviewed with respect to management plan and response to treatment. Thirty-four digits eventually underwent surgical release of the A1 pulley, while the other 75 digits were treated with local steroid injection only. All patients were evaluated with respect to clinical resolution of symptoms, dollar cost of treatment, and general satisfactio...

This paper presents a fast-hopping frequency synthesizer architecture with quadrature outputs, based on subharmonic injection-locking, that is compliant with WirelessUSB/WiMedia specifications. The synthesizer features a crosscoupled quadrature digitally-controlled oscillator, that is injection locked to a sub-harmonic frequency. On-chip mixers have been implemented to measure the quadrature ac...

—An interplay between mobile devices and static sensor nodes is envisioned in the near future. This will enable a heterogeneous design space that can offset the stringent resource and power constraints encountered in traditional static sensor networks by taking advantage of the more powerful mobile devices. We present a systematic framework for end-to-end query processing, using a two-layer arc...

This paper discusses the design and implementation of an inductorless differential VCO with a maximum oscillation frequency of 20 GHz, in a 47 GHz SiGe process technology. The VCO is based on a full-wave rectification frequency-doubling technique, applied to a half rate differential single-stage feedback oscillator. It also benefits from a new circuit phenomenon named hereinafter Self Injection...

Unsafe injection practices are associated with substantial morbidity and mortality, particularly from hepatitis B and C and human immunodeficiency virus (HIV) infections. These inadvertently transmitted bloodborne diseases become manifest some considerable time after infection and hence may not be appropriately accounted for. Annually more than 1.3 million deaths and US$ 535 million are estimat...

The supernova remnant N 157B contains a pulsar and three distinct synchrotron components with rather unusual properties. 1) A somewhat irregular elliptical pulsar wind nebula (PWN) visible in both X-ray and radio wavelengths. The nebula is quite symmetrical with an extent of about 10 × 5 parsecs but offset along the long axis by about 4 pc from the pulsar position. It is apparently the result o...