It was also demonstrated that OIPK mRNA could be induced by OC, wound and TMV infection. In
addition, OIPK could up-regulated three PR genes, PAL, chitinase (CHI) and beta-1, 3-glucanase (GLU) mRNA level to different extent. Taken together, these results implied that OIPK could function in tobacco resistance against both biotic and abiotic stress, possibly via various PR proteins. (C) 2009 Elsevier Masson SAS. All rights reserved.”
“Organic phototransistors based on a composite of P3HT and TiO(2) nanoparticles have been fabricated, which show high photosensitivity, fast response, and stable performance under both visible and ultraviolet light illumination, and thus they are promising for applications as low cost photosensors. selleck kinase inhibitor The transfer characteristic of each device exhibits a parallel shift to a positive gate voltage under light illumination, and the channel current increases up to three orders of magnitude in the subthreshold region. The shift in the threshold voltage of the device has a nonlinear relationship with light intensity, which can be attributed to the accumulation of electrons in
the embedded TiO(2) nanoparticles. It has been found that the device is extremely sensitive to weak light due to an integration effect. The relationship between the threshold voltage CX-6258 nmr change and the intensity of light illumination can be fitted with a power law. An analytical model has been developed to describe the photosensitive behavior of the devices. It is expected that such organic phototransistors can be developed for sensing different wavelengths based on different semiconducting polymers and semiconducting nanoparticles. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3225760]“
“In this study we have elucidated the suitable drying model for the far infrared drying of taegeuk
ginseng. Thin layer drying tests of taegeuk ginseng Panobinostat were conducted at 3 temperature levels of 45, 55, and 65A degrees C, and 3 taegeuk ginseng size levels of large, medium, and small. Four thin layer drying models were used to estimate drying curves. The goodness-of-fit of the drying models were evaluated using the coefficient of determination (R-2), root mean square error (RMSE), mean relative deviation modulus (P-e), and reduced chi-square (chi(2)). In the mean time, the influences of drying temperature and taegeuk ginseng size on drying behavior were also determined. The results revealed that the Page model, which can describe the far infrared drying behavior of taegeuk ginseng with a great accuracy, was the best model to fit adequately most of the drying conditions for the far infrared drying of taegeuk ginseng.”
“Powdery mildews (Erysiphales) are obligate biotrophic pathogens that invade susceptible plant cells without triggering cell death. This suggests a highly adept mechanism of parasitism which enables powdery mildews to avoid detection or evade defenses by their host.