评价西藏Kefir源植物乳杆菌MA2体内降胆固醇的功效。饲喂大鼠高胆固醇饲料的同时,灌胃Lactobacillus plantarum MA2活菌制剂(1011cells/dperrat)。实验结果显示,植物乳杆菌MA2显著降低了大鼠血清总胆固醇(TC)、低密度胆固醇(LDL-C)、甘...评价西藏Kefir源植物乳杆菌MA2体内降胆固醇的功效。饲喂大鼠高胆固醇饲料的同时,灌胃Lactobacillus plantarum MA2活菌制剂(1011cells/dperrat)。实验结果显示,植物乳杆菌MA2显著降低了大鼠血清总胆固醇(TC)、低密度胆固醇(LDL-C)、甘油三酯(TG)的水平,但是对高密度胆固醇(HDL-C)的水平并没有显著影响。另外,该制剂还显著降低了肝胆固醇和甘油三酯的含量,却明显提高了粪便中胆固醇和甘油三酯的含量。研究证明了植物乳杆菌MA2具有降血脂的益生菌应用潜力。展开更多
By high-throughput calculations,13 thermally and environmentally stable Janus MA_(2)Z_(4) monolayers were screened from 104 types of candidates.The 13 stable monolayers have very high charge carrier concentrations(...By high-throughput calculations,13 thermally and environmentally stable Janus MA_(2)Z_(4) monolayers were screened from 104 types of candidates.The 13 stable monolayers have very high charge carrier concentrations(×10^(15) cm^(–2)),which are better than those of the well-known graphene and TaS_(2).Because of their excellent conductivity,the 6 monolayers with band gaps less than 0.5 eV are identified as potential electrode materials for hydrogen evolution reaction applications.For potential applications as photoelectric or photocatalytic materials,bandgaps(Eg-HSE)higher than 0.5 eV remained,which resulted in 7 potential candidates.Based on optical absorption analysis in the visible-light range,H-HfSiGeP_(4) and HMoSiGeP_(4) have higher absorption ability and optical conductivity,which is quite impressive for optoelectronic,solar cell device,and photocatalysis applications.Additionally,the transmittance coefficient of Janus MA_(2)Z_(4) monolayers is approximately 70%–80%in the visible-light range,which implies that these monolayers show good light transmittance.For potential applications as photocatalysts,the redox potential and charge effective mass analysis indicate that H-HfSiGeP_(4),HMoSiGeP_(4),T-ScSiGeN_(4),and T-ZrSiGeN_(4) are suitable photocatalysts for CO_(2) reduction reactions.Using high-throughput identification,13 types of new and stable Janus MA2Z4 monolayers were explored,and the basic properties and potential applications were investigated,which can reduce the time for experiments and provide basic data for the material genome initiative.展开更多
文摘评价西藏Kefir源植物乳杆菌MA2体内降胆固醇的功效。饲喂大鼠高胆固醇饲料的同时,灌胃Lactobacillus plantarum MA2活菌制剂(1011cells/dperrat)。实验结果显示,植物乳杆菌MA2显著降低了大鼠血清总胆固醇(TC)、低密度胆固醇(LDL-C)、甘油三酯(TG)的水平,但是对高密度胆固醇(HDL-C)的水平并没有显著影响。另外,该制剂还显著降低了肝胆固醇和甘油三酯的含量,却明显提高了粪便中胆固醇和甘油三酯的含量。研究证明了植物乳杆菌MA2具有降血脂的益生菌应用潜力。
基金supported by the National Natural Science Foundation of China(No.52262042)the Starting Funds for High-level Talents from Yunnan Normal University.
文摘By high-throughput calculations,13 thermally and environmentally stable Janus MA_(2)Z_(4) monolayers were screened from 104 types of candidates.The 13 stable monolayers have very high charge carrier concentrations(×10^(15) cm^(–2)),which are better than those of the well-known graphene and TaS_(2).Because of their excellent conductivity,the 6 monolayers with band gaps less than 0.5 eV are identified as potential electrode materials for hydrogen evolution reaction applications.For potential applications as photoelectric or photocatalytic materials,bandgaps(Eg-HSE)higher than 0.5 eV remained,which resulted in 7 potential candidates.Based on optical absorption analysis in the visible-light range,H-HfSiGeP_(4) and HMoSiGeP_(4) have higher absorption ability and optical conductivity,which is quite impressive for optoelectronic,solar cell device,and photocatalysis applications.Additionally,the transmittance coefficient of Janus MA_(2)Z_(4) monolayers is approximately 70%–80%in the visible-light range,which implies that these monolayers show good light transmittance.For potential applications as photocatalysts,the redox potential and charge effective mass analysis indicate that H-HfSiGeP_(4),HMoSiGeP_(4),T-ScSiGeN_(4),and T-ZrSiGeN_(4) are suitable photocatalysts for CO_(2) reduction reactions.Using high-throughput identification,13 types of new and stable Janus MA2Z4 monolayers were explored,and the basic properties and potential applications were investigated,which can reduce the time for experiments and provide basic data for the material genome initiative.
