Active antennas (AAs) are a class of radiation system that integrates an antenna and backing active circuits which results in considerable reduction in complexity of the matching networks and filters [1]. This is done by carefully designing the radiating element to provide proper load for active elements. Hummer and Chang have investigated active antenna elements using a microstrip patch antenn...

The regular PIN-entry method has been still the most common of authentication for systems and networks. However, PINs are easy to be captured through various attacks, including shoulder-surfing, video-recording, spyware. This could attributed involuntary nature entering original PIN during authentication. In this paper, we employ an indirect input that utilizes addition mod 10 a mini-challenge ...

introduction: foreign body aspiration (fba) represents a life-threatening emergency .it occurs primarily in children below 3 years. generally, the most common aspirated fb is organic material such as nuts or beans. sharp foreign bodies (fbs) are of particular concern to the attending clinician, because of their potential to perforate the air passage and cause possible complications. here in, we...

BACKGROUND AND PURPOSE Humeral lengthening and deformity correction are now being done increasingly for various etiologies. Monolateral external fixators have advantages over traditional Ilizarov circular fixators; they are easy to apply, they are less bulky, and they are therefore more convenient for the patient. We assessed the effectiveness of hybrid monolateral lateral fixators in humeral l...

A compact reconfigurable four-feeding microstrip antenna with polarization diversity is presented in this paper. With four triangle-shaped elements as the radiation patch, the proposed antenna can achieve good impedance match for linear polarization (LP), left-hand circular polarization (LHCP) and right-hand circular polarization (RHCP). A four-way power divider made by three Wilkinson power di...

We have recently demonstrated that in rats with 5/6 nephrectomy (5/6 Nx), renal cortical and inner medullary neuronal NOS (nNOS) expression is downregulated, associated with decreased urinary excretion of nitric oxide (NO) products. Recently, a novel 89-amino acid protein [protein inhibitor of nNOS (PIN)] was isolated from rat brain and shown to inhibit nNOS activity. The present studies locali...

Pin site infections are a common complication of external fixation that places a significant burden on the patient and healthcare system. Such infections increase the number of clinic visits required during a patient's course of treatment, can result in the need for additional treatment including antibiotics and surgery, and most importantly can compromise patient outcomes should osteomyelitis ...

Directional transport of auxin is essential for plant development, with PIN auxin transport proteins representing an integral part of the machinery that controls hormone distribution. However, unlike the rapidly emerging framework of molecular determinants regulating PIN protein abundance and subcellular localization, insights into mechanisms controlling PIN transcription are still limited. Her...