The Preparation and Properties Study of High CRI White LED Based on Remote Phosphor Technology.

Focusing on the defects in the lighting color of LED lamps and the chip heat exists in the traditional LED package which caused phosphor performance degradation, color temperature drift and the uneven light, the remote phosphor package which is emerging in recent years is used in this paper. With yellow-green YGG phosphor and nitrogen red phosphors mixing with silica gel, the remote phosphor is made and then encapsulated as the LED lamps. A lot of experiments were made to determine the best ratio of yellow green phosphor, red phosphor and silica gel, LED lamps with different color temperature was prepared. The lamps were also tested and analyzed with some parameters such as e color coordinates, luminous efficiency, color rendering index (CRI), R9, color quality scale (CQS), color temperature, and the gamut area index (GAI), which provide a more objective and comprehensive evaluation to the high quality LED lighting. Experimental results show that the optimum ratio of red and yellow-green phosphor is 1∶7.6, and total phosphor with silica gel is 1∶5，at this time the white LED lighting color temperature is 4 113 K, the color coordinate (x, y) is (0.375 4, 0.373 1), luminous efficiency is 52.33 lm·w-1, color gamut is 0.981, color rendering index is up to 96, R9 is 97, color quality scale Qa is up to 93, and the gamut area index is 79. Compared with the traditional packaging，the surface temperature ofthe remote phosphor encapsulated fluorescent plate is much lower than that of adhesive dispensing encapsulation, which can effectively avoid the harmful effect caused by high temperature on the LED.

Water-Soluble Total Flavonoids Isolated from Isodon lophanthoides var. gerardianus (Benth.) H. Hara Promote Hepatocellular Carcinoma Sensitivity to 5-Fluorouracil.

Isodon lophanthoides var. gerardianus (Benth.) H. Hara, a native medicinal plant produced chiefly across Southern China, is one of the mainstream varieties of Xihuangcao, which has long been applied in preventing and treating some common liver or gall diseases. Water-soluble total flavonoids (WSTF) extracted from folk herbal medicine have many pharmacological effects. The objective of the paper is to investigate the synergy of WSTF with 5-fluorouracil (5-FU) on HCC and the related mechanisms. Cells were exposed to WSTF alone or combination treatment with 5-FU. Then, in this study, we conducted cell viability test, cell cycle and clone forming test, apoptosis assay, reactive oxygen species (ROS), Western blotting, immunohistochemistry, and a xenograft tumor growth model for investigating the role of WSTF in HCC in vivo and in vitro. It was discovered that WSTF caused cell cycle arrest at the G0/G1 phase while increasing the ROS contents. The generation of ROS levels could cause cell apoptosis and inhibit colony formation. WSTF decreased the Bcl-2 level but promoted the Bax level. These showed the mitochondrial dependence of WSTF-mediated apoptosis. WSTF combined with 5-FU have a synergistic effect to significantly inhibit carcinogenicity in vivo and in vitro. The reduced ROS changed the synergy of WSTF with 5-FU. At last, WSTF inhibit the growth of HCC and promote the HCC sensitivity to 5-FU through ROS accumulation. WSTF-increased ROS levels may partially or completely contribute to enhanced toxicity. WSTF combined with 5-FU in HCC can play a synergistic effect when applied in the clinical setting.

[Curative effect of integrative medical therapy for systematic lupus erythematosus].

OBJECTIVE: To observe the curative effect of integrative medicine for treatment of systematic lupu erythematosus (SLE). METHODS: Totally 110 cases of SLE were randomized into two groups, 50 in the control group and 60 in the treated group, both were treated with prednisone, but to the treated group, integrative medica treatment was given additionally according to syndrome differentiation. The course for both groups was 6 months. Clinical symptoms, immunological indexes, peripheral blood figure, erythrocyte sedimentation rate (ESR), levels of C-reactive protein (CRP) and creatinine (Cr) in blood, and 24 h urinary total protein (u-TP/24 h) were observed before and after treatment. RESULTS: Of the 60 patients in the treated group, the treatment on 29 was evaluated as clinical remission, 18 as remarkably effective, 9 as effective, and 4 as ineffective, the total effective rate being 93.33% (56/60), while that in the control group was clinical remission in 11, remarkably effective in 10, effective in 19, ineffective in 10 respectively, and the total effective rate 80% (40/50), the difference on total ef fective rate between the two groups was significant (chi2 = 4.36, P <0.05). Besides, the improvement in the treated group was superior to that in the control group in terms of clinical symptoms such as fever, arthralgia and baldness (P <0.05, P <0.01); the negative reversion rate of anti-nuclear antibody (ANA, 51.3% vs 28.1%), antidouble-stranded DNA (ds-DNA, 53.6% vs 26.1%), anti- ribonucleoprotein (RNP, 63.2% vs 29.4%) and circulating immnue complexes (CIC, 63.2% vs 29.4%, all P <0.05); lowering of immunoglobulin (for IgG, P < 0.05; IgA, P <0.01; IgM, P <0.01); as well as bettering in peripheral blood figure, ESR, CRP, Cr and u-TP/24 h (P <0.05 or P <0.01). CONCLUSION: Integrative medical treatment is obviously effective for SLE patients.