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Microfluidic routing fabrics, or crossbars, based on transposer primitives provide benefits in manufacturability, performance, and on-the-fly reconfigurability. Many applications in microfluidics, such as DNA barcoding for single-cell analysis, are expected to benefit from these new devices. However, the control of these critical devices poses new security questions that may impact the functional...
Much progress has been made in digital microfluidic biochips (DMFB), with a great body of literature addressing low-cost, high-performance, and reliable operation. Despite this progress, security of DMFBs has not been adequately addressed. We present an analysis of a DMFB system prone to malicious modification of routes and propose a DMFB defense based on spatio-temporal randomized checkpoints using...
We present a micro-electro-mechanical (MEM) relay based physical unclonable function (PUF) that is capable of sensing pressure while providing an assurance of authenticity. The unique properties of the SensorPUF arise from the pressure sensitivity of electrostatically actuated MEM relay structures. Thus, pres sure sensing is made secure by the integration of the sensor reading with the challenge-response...
While genetically modified plants that secrete histidine acid phosphatases (HAPs), β-propeller phytases (BPPs) and purple acid phosphatases (PAPs) have been shown to assimilate soluble phytate, little is known about whether these plants have the ability to hydrolyze precipitated phytate. In this study, the ability of representative members of these three classes of phytases to hydrolyze metal-phytate...
With the penetration and popularity of mobile devices such as pocket PCs and smart-phones, there is an increasing need of low-delay video streaming over wireless channel. Traditionally, UDP (user datagram protocol) is used for video streaming. However, due to unreliable transmission and fluctuating bandwidth of wireless channel, this requires error concealment and recovery mechanisms which greatly...
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