Estrogen induces the generation of nitric oxide (NO) and produces coronary vasodilation by opening the Ca2+-activated K+ (K[Ca]) channels. The hypothesis that 17beta-estradiol produces NO and activates K(Ca) channels during coronary hypoperfusion was investigated. In open-chest dogs, the left anterior descending coronary artery was perfused through an extracorporeal bypass tube from the left ca...

In this work we investigate the problem of stealthy communication between colluding applications on smartphones running the popular Android operating system. Through collusion, applications can cooperatively perform operations they would not be able to perform separately, thus escalating their privileges. This can result in privacy infringements and user data leakage. In order to collude, the t...

AIMS Apart from casuistic autopsy results there is no long-term evidence for channel perfusion after transmyocardial laser revascularization in humans. METHODS AND RESULTS Fifteen consecutive patients aged 63+/-17 years were investigated 71+/-15 days after coronary artery bypass surgery and/or transmyocardial revascularization with 13-37 (20+/-5) channels (CO(2) laser, 40 J/pulse). Echocardio...

A62-year-old Brazilian white woman with a history of diabetes mellitus had undergone coronary artery bypass grafting to the left anterior descending coronary artery and right coronary artery in 1991. Four years later, she developed recurrent symptoms of angina; angiography revealed occlusion of both saphenous vein grafts. Her native circumflex system remained patent, but her native left anterio...

Electronic commerce may impose new demands which the supply chain has to react to, while at the same time being an enabler of effective marketing and logistics. This paper describes alternative strategies for wholesalers conducting electronic commerce and how logistics may support the development of marketing channels and improve flexibility. Related issues with logistics implications are the d...

Neurologic injury after cardiac surgery is principally associated with emboli. Although much work has focused on surgical sources of emboli, less attention has been focused on emboli associated with the heart-lung machine. We tested whether emboli are associated with discrete processes during cardiopulmonary bypass (CPB). One hundred patients undergoing cardiothoracic surgery were enrolled betw...

Metamaterial resonances have demonstrated outstanding abilities to control electromagnetic waves, which brings promises directly use them create unique channels for wave tunneling through barriers. Herein, an effect is realized by antiparallel dipole resonance in a multilayer metamaterial composed of pair metallic unsplit ring resonators (USRRs) with split resonator (SRR) sandwiched between the...

Ultrasonic Doppler studies were made pre- and postoperatively in 22 patients undergoing STA-MCA anastomosis. A quantitative evaluation of the bypass was attempted by determining the STA blood flow velocity and pattern. The STA velocity on the Doppler sonogram was compared with the degree of intracranial vascular filling via anastomotic channels and the STA diameter on angiogram. The STA velocit...

This paper describes Krško experience and problems that had to be resolved with RTD Bypass Elimination project (RTDBE). Following bypass manifold isolation valve leak in 2008, decided perform RTDBE modification on reactor coolant system narrow range temperature measurement system. The installation was performed during Outage 2013. Soon after the plant returned power, newly configured channels s...