Learn More
OBJECTIVES To characterize the nature of atrial fibrillation (AF) activation in human persistent AF (PerAF) using modern tools including activation, directionality analyses, complex-fractionated electrogram, and spectral information. BACKGROUND The mechanism of PerAF in humans is uncertain. METHODS AND RESULTS High-density epicardial mapping (128(More)
We have designed and built a laminar microfluidic diffusion diluter (mDD) to obtain fixed concentration gradients inside lithographically patterned lab-on-a-chip architectures. The driving force for this investigation was the desire to minimize the amount of precious analyte consumed in high throughput measurements performed as a function of concentration.(More)
In this paper the modelling and Design of a Beam on which two Piezoelectric Ceramic Lead Zirconate Titanate (PZT) patches are bonded on the top and bottom surface as Sensor/Actuator collocated pair is presented. The work considers the Active Vibration Control (AVC) using Proportional Integral Derivative (PID) Controller. The beam is assumed as(More)
There is a growing trend of using cloud environments for ever growing storage and data processing needs. However, adopting a cloud computing paradigm may have positive as well as negative effects on the data security of service consumers. This paper primarily aims to highlight the major security issues existing in current cloud computing environments. We(More)
—We demonstrate an optical time-to-live (TTL) decre-menting module for optical packet-switched networks. Our module acts on a standard NRZ-modulated binary TTL field within a 10 Gb/s packet and decrements it by one if the TTL is nonzero. If the TTL of the incoming packet is zero, the module signals an optical switch to drop the packet. Our technique is(More)
— In today's computational world,cost of computation is the most significant factor for any database management system.Searching a query from a database incurs various computational costs like processor time and communication time.Then, there are costs because of operations like projection, selection, join etc.DBMS strives to process the query in the most(More)
—As routing tables in core Internet routers grow to exceed 100 000 entries, it is becoming essential to develop methods to reduce the lookup time required to forward packets toward their destinations. In this paper, we employ a bank of novel thermally tuned fiber-Bragg-grating-based optical correlators to construct an " optical bypass " to accelerate(More)
In pharmaceutical industry, various controlled released dosage forms like solid formulation, semi solid formulation and topical preparation have more importance due to efficacy and patient compliance. Topical preparations have some disadvantages like unpleasant odour, greasiness and skin irritation and fail to reach the systemic circulation in sufficient(More)