Delay-line based sensors require larger bandwidths as they consists of a few interdigitated electrodes excited by short rf pulses with large instantaneous energy and short response delays
but is compatible with existing equipment such as ground penetrating radar (GPR). We here demonstrate the measurement of temperature using Bromosporine manufacturer the two configurations, particularly for long term monitoring using sensors buried in soil. Although we have demonstrated long term stability and robustness of packaged resonators and signal to noise ratio compatible with the expected application, the interrogation range (maximum 80 cm) is insufficient for most geology or geophysical purposes. We then focus on the use of delay lines, as the corresponding interrogation method is similar to the one
used by GPR which allows for rf penetration distances ranging from a few meters to tens of meters and which operates in the lower rf range, depending on soil water content, permittivity, and conductivity. Assuming propagation losses in a pure dielectric medium with negligible conductivity (snow or ice), an interrogation distance of about 40 m is predicted, which overcomes the observed limits met when using interrogation methods specifically developed for wireless SAW sensors, and could partly comply with the above-mentioned applications. Although quite optimistic, this estimate is consistent with the signal to noise ratio observed during an experimental JNK-IN-8 cost demonstration of the interrogation of a delay line buried at a depth of 5 m in snow. (C) 2011 American Institute of Physics. [doi:10.1063/1.3504650]“
report a case of longstanding multidrug resistant Schnitzler’s syndrome that finally went into clinical remission upon treatment with anakinra and review the literature concerning IL1-RA treatment for Schnitzler’s syndrome. A now 71-year-old patient presenting with recurring episodes of urticaria and fever and secondary weight loss for the past 16 years as well as arthralgia, hearing loss. The patient has anemia, DZNeP clinical trial leucocytosis with neutrophilia, thrombocytosis, elevated C-reactive protein and erythrocyte sedimentation rate, lymphadenopathy and a monoclonal IgM kappa band that later became oligoclonal with two IgM kappa bands and one IgM lambda band. The patient was treated with moderate effect with combination of prednisolone, azathioprine, and colchicine. In March 2009, anakinra 100 mg daily sc was added during a disease flare. Within 24 h after the first injection, both the urticaria and the fever disappeared and have not recurred. For the past 6 months, the patient has been in clinical and biochemical remission. Colchicine has been stopped while the azathioprine and prednisolone doses are being reduced.