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A fully distributed optical fiber vibration sensor is demonstrated based on spectrum analysis of Polarization-OTDR system. Without performing any data averaging, vibration disturbances up to 5 kHz is successfully demonstrated in a 1km fiber link with 10m spatial resolution. The FFT is performed at each spatial resolution; the relation of the disturbance at(More)
OBJECTIVE To analyze the effectiveness of resistance exercise in the treatment of knee osteoarthritis on pain, stiffness, and physical function. DESIGN Systematic review and meta-analysis of randomized controlled trials. DATA SOURCES PubMed, Embase, Cochrane Central Register of Controlled Trials, the Web of Science, and Chinese Biomedical Literature(More)
Although SAHA is approved for the treatment of cutaneous T-cell lymphoma by the U.S. Food and Drug Administration, clinical trials using SAHA as a monotherapy or in combination with other chemotherapeutic agents in solid tumors have not met with success, and the mechanisms of tolerance remain unknown. In this study, using the prostate cancer cell line PC3(More)
Biomedical magnetic induction measurement is a promising method for the detection of intracerebral hemorrhage (ICH), especially in China. Aiming at overcoming the problem of low sensitivity, a magnetic induction sensor is chosen to replace the conventional sensors. It uses a two-arm Archimedean spiral coil as the exciter and a circular coil as the receiver.(More)
In order to improve transmission throughput of a multi-hop wireless network, many efforts have been made in recent years to reduce traffic and hence transmission collisions by constructing backbone networks with minimum size. However, many other important issues need to be considered. Instead of simply minimizing the number of backbone nodes or supporting(More)
Noninvasive measurement of liver iron overload by magnetic induction (MI) method is a promising technique but low system sensitivity restricts its application due to weak secondary signal induced within biological tissues compared with the primary excitation signal. Based on the property of system sensitivity equation, a new type of excitation coil which(More)
AIMS Genetic variations in the PI3K/AKT/mTOR signaling pathway may be associated with an increasing risk of obesity and diabetes. In this study, we aimed to test whether polymorphisms in the PIK3CA (catalytic subunit of PI3K), AKT1, AKT2, and FRAP1 (mTOR) genes were associated with the risk of type 2 diabetes mellitus (T2DM) among Chinese population. (More)
A novel aptamer biosensor for fast tetracyclines determination was established and illustrated in this paper. The tetracyclines aptamer as a specific affinity molecule was immobilized on the surface of the glassy carbon (GC) electrodes. It can specifically bind tetracyclines quickly in milk and other samples without sample treatment. Subsequently, the(More)
This paper presents a systematic review and meta-analysis of the effectiveness of aquatic exercise for treatment of knee osteoarthritis (OA). PubMed, the Cochrane Library, Embase, CAMbase, and the Web of Science were screened through to June 2014. Only randomized controlled trials (RCTs) comparing aquatic exercise with control conditions were included. Two(More)