Anti-SELP polyclonal antibody [Biotin]

In this paper, a novel linear predictive method (SELP) for speech spectra modelling is proposed. This method allows to develop an all-pole filter which combines p+1 consecutive even preceding samples of the speech signal x(n) into p pairs for linear extrapolation. In addition, a weighting selective scheme is employed to obtain high signal-to-error ratio (SER). Comparing to the traditional LPC modelling, the proposed filter's order is then raised to 2p+2 when both filters are with p-normal equations. In order to demonstrate the proposed method usefulness, this new model is simulated at 22.05 kHz speech spectra. Experimental results show that at least 10 dB SER improvement is obtained with p = 5 when compared with that of LPC modelling.

Diabetes is one of the most common diseases affecting human health in the world, and insulin resistance has been recognized as an important contributor to the generation of type 2 diabetes, accounting for 90% of diabetes. Selenium, an essential trace element in human nutrition, is closely related to human health through incorporation into selenoproteins which have a wide range of important biological functions. In recent years the studies focusing on the relationship between selenium and diabetes have attracted much attention. Earlier studies showed that selenium has insulin-like effects, and thus may be promising in the prevention and treatment of diabetes. However, recent human trials and animal studies provided evidence that selenium plays a dual role in the initiation and development of diabetes, and long-term selenium supplementation unexpectedly increases the risk of insulin resistance and type 2 diabetes. Furthermore, the dual effect of selenium in the initiation and development of diabetes might be associated with a variety of selenoproteins, such as glutathione peroxidase 1 (GPx1), selenoprotein S (SelS) and selenoprotein P (SelP). This review summarizes the dual effect of selenium in diabetes, and the roles of selenoproteins in the initiation and development of diabetes. The prospect of this field is addressed as well.