紫云英苷抑制APP/PS1小鼠大脑皮质神经元凋亡 [PDF]
Zhongshan Daxue xuebao. Yixue kexue ban, 2023 目的探讨紫云英苷 （AST）对APP/PS1转基因小鼠大脑皮质神经元凋亡的影响。方法将18只6月龄雄性APP/PS1转基因小鼠随机分为APP/PS1、APP/PS1+40 mg/kg AST、APP/PS1+20 mg/kg DNP （Donepezil， DNP）三组，每组各6只动物。同时另选6只同月龄C57BL/6雄性小鼠作为正常对照组 （Control）。腹腔注射给药AST，每日一次，连续给药一个月后，Tunel染色法检测APP/PS1小鼠大脑皮质内神经元凋亡情况；免疫荧光染色法检测APP ...
王姝涵 +7 more
doaj +3 more sources
数学发现, 2023 19世纪末，在英国皇家学会迎接新世纪到来的庆祝会上，开尔文勋爵自豪地宣称：“物理学理论大厦已经建成，未来的物理学家们只需要做一些修修补补的工作就可以了。”但是在喜悦的氛围中，仍然存在着“两朵令人不安的乌云”，一朵是迈克耳孙-莫雷实验对以太速度测量的零结果，另一朵是与黑体辐射有关的紫外灾难问题。第一朵乌云催生出了相对论，第二朵乌云催生出了量子力学。相对论和量子力学被称为现代物理学的两大支柱。然而100多年过去了，相对论和量子力学却未能融合在一起，不仅如此，两者还存在着许多无法调和的矛盾。一个世纪以来 ...
胜彬 王
semanticscholar +1 more source
Establishment of a Method for the Identification of Plant-Derived Ingredients in Mānuka Honey [PDF]
, 2023 To establish a method to identify the authenticity of manuka honey, this study compared different methods of DNA extraction from mānuka honey pollen, and it developed a DNA extraction method for mānuka honey supernatant and a real-time polymerase chain ...
YANG Yange, WANG Yingchun, LIU Mingchang, NIU Na, HUANG Wensheng, WU Zhanwen, WANG Shuai, KANG Jie, WU Yajun
core +1 more source
Effects of Continuous Straw Returning Combined with Reduced Fertilizer Application on Rice Yield and Loss of Nitrogen and Phosphorus [PDF]
, 2022 [Objective] The effects of straw returning combined with reduced chemical fertilizer application on rice yield and nitrogen and phosphorus losses with runoff were studied in order to provide a scientific basis for the recycling and reuse of local ...
Liang Fan +8 more
core +1 more source
Dual-directional Regulation of Tea Polyphenols on the Growth of Lactobacillus plantarum, Staphylococcus aureus, and Escherichia coli [PDF]
, 2023 Enhancing the vitality of probiotics in probiotic product while inhibiting the growth of food-borne pathogenic and spoilage bacteria can improve product quality stability.
Fulin JIANG, Qiang HE, Yunhao LU
core +1 more source
Shuitu Baochi Xuebao, 2022 为指导水稻田合理施肥,防治稻田面源污染,试验开展了不同氮肥减施比例对紫云英—水稻轮作体系下稻田田面水氮磷流失的影响研究。2020年在浙江建德开展田间小区试验,设置冬闲(CK)和冬种紫云英(CT)2个处理,并在冬种紫云英基础上设置4个减氮比例,分别为0(CT0),10%(CT1),20%(CT2),30%(CT3),共5个处理,每个处理重复3次。在水稻移栽施肥后开始稻田田面水样品采集(包括施肥2周内的连续采样以及2周后相隔7,14,28天的间隔采样),测定田面水氮磷浓度;于水稻成熟后采集土壤和植物样品 ...
吕永强 +5 more
doaj
Effects of Different Mulching Measures on Distribution of Organic Carbon and Inorganic Carbon in Soil Aggregates Under Spring Maize Cultivation [PDF]
, 2023 [Objective] The effects of different mulching methods on the distribution of organic and inorganic carbon in soil aggregates on the Loess Plateau, and the mechanism under which soil aggregates sequester carbon under mulched conditions were determined in ...
Li Meng +8 more
core +1 more source
Characteristics of decomposition and nutrient release of green manure returning to kiwifruit orchards in southern Shaanxi province [PDF]
[Objective] Green manure is a clean biological organic fertilizer source. Reasonable planting and utilization of green manures between rows in kiwifruit orchards is an important technical measure to solve the problems of shortage of organic fertilizer ...
CHEN Hao +8 more
core +1 more source
Simultaneous Determination of Nine Chlorogenic Acids and Flavonoids in Mori Folium by QAMS [PDF]
Objective: To establish a HPLC method for the determination of neochlorogenic acid, chlorogenic acid, cryptochlorogenic acid, rutin, isoquercitrin, isochlorogenic acid B, astragalin, isochlorogenic acid A and isochlorogenic acid C in Mori Folium using ...
AYINUER·Baikere +5 more
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紫云英苷诱导自噬减轻APP/PS1转基因小鼠皮质内神经元损伤及老年斑沉积
Zhongshan Daxue xuebao. Yixue kexue ban, 2022 目的探讨紫云英苷（AST）对APP/PS1转基因小鼠脑皮质神经元及Aβ斑块的影响。方法将24只8月龄雄性APP/PS1转基因小鼠随机分为APP/PS1组、10 mg/kg AST（APP/PS1+AST 10）组、20 mg/kg AST（APP/PS1+AST 20）组、40 mg/kg AST（APP/PS1+AST 40）组，每组各6只。6只同月龄C57BL/6雄性小鼠作为对照组（WT组）。AST药物连续腹腔注射一个月后，采用免疫荧光染色法观察小鼠脑皮质内Aβ斑块沉积情况 ...
杨翠珠 +6 more
doaj