Results 1 to 10 of about 12,951 (170)

Effects of Oxidized Milk Protein Intaking During Gestation and Lactation on Redox Status in Offspring Mice(孕哺期摄入氧化乳蛋白对子代小鼠机体氧化还原状态的影响) [PDF]

open access: yesShipin kexue jishu xuebao, 2021
To study the effects of intaking oxidized milk protein with different fat content during pregnancy and lactation on the redox status of offspring mice, the whole milk and low-fat milk were oxidized by heat, then the contents of carbonyl and free thiol ...
MO Ling(莫玲)   +4 more
doaj   +1 more source

3种天然抗氧化剂在双低菜籽油中的抗氧化效果Antioxidant effects of three natural antioxidants on double low rapeseed oil

open access: yesZhongguo youzhi, 2022
分别向双低菜籽油添加0.2 g/kg的维生素E、抗坏血酸棕榈酸酯及茶多酚棕榈酸酯,采用Schaal烘箱法进行13 d的贮藏试验,测定贮藏过程中酸值、碘值、硫代巴比妥酸值、过氧化值、茴香胺值的变化,研究3种天然抗氧化剂对双低菜籽油的抗氧化效果。结果表明:贮藏期间添加抗氧化剂组双低菜籽油酸值、硫代巴比妥酸值、茴香胺值及过氧化值均有不同程度的上升,但均较未添加抗氧化剂的低,且添加抗坏血酸棕榈酸酯组的4个指标上升速度低于添加茶多酚棕榈酸酯和维生素E组的,贮藏13 d时其过氧化值(0.23 g/100 g ...
魏红艳1,张玉斌1,石岩2 WEI Hongyan1, ZHANG Yubin1, SHI Yan2
doaj   +1 more source

高原鼠兔对极端低氧环境的生理、行为和分子生物学适应研究进展

open access: yes野生动物学报, 2022
从生理学、行为学及分子生物学等方面对高原鼠兔(Ochotona curzoniae)的低氧适应机制进行阐述,发现高原鼠兔血液与血红蛋白的结合、释放氧的能力较高,这对低氧时体内氧的传递是有利的;肺小动脉壁变薄,这有利于在低氧条件下进行气体交换,使更多的氧进入肺部,同时高原鼠兔的右心室重量低于常氧环境中的大鼠。这就最大限度防止了高原鼠兔在低氧环境中出现右心室衰竭。行为学研究主要集中在其繁殖行为方面,分子生物学研究主要集中在其血管生成、能量代谢和携氧蛋白的携氧能力方面。
齐丽红邹登朗祁得胜刘忠浩马建滨都玉蓉
doaj  

Effects of conjugated linoleic acid and hypoxia on lipid metabolism of skeletal muscle in rats(共轭亚油酸和低氧对大鼠肌肉脂质代谢的影响)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2014
以雄性SD大鼠为实验动物,研究共轭亚油酸(CLA)和低氧的结合对肌肉脂质代谢的影响.取大鼠血液和肌肉,测葡萄糖、甘油三酯、组织乳酸、肌糖原、游离脂肪酸、胰岛素、脂肪酸合酶(FAS)、脂蛋白酯酶(LPL)、激素敏感酯酶(HSL).结果显示:CLA对大鼠体重没有显著影响(P>0.
ZHANGKai(张凯)   +3 more
doaj   +1 more source

Awake anesthesia for resection of gliomas located in eloquent brain [PDF]

open access: yes, 2012
Intraoperative awake anesthesia is a safe and reliable method performed in glioma surgery in brain eloquent areas, for the purpose of a maximum resection of the lesions and protection of brain function.
De⁃xiang WANG, Kun PENG, Ru⁃quan HAN
core   +2 more sources

Evaluation of the effect of dielectric property of blood cell responses to hypoxia by the impedance method(用阻抗法评价血液细胞介电性能对低氧的反应)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2009
利用阻抗方法观察低氧对血液细胞介电性能的影响,将实验动物分成平原对照组和模拟低氧组,采用Agilent 4294A阻抗分析仪测量小鼠血液细胞交流阻抗,通过细胞介电谱、Cole-Cole图、介电损耗因子频谱、损耗角正切频谱以及Cole-Cole方程的曲线拟合分析,得到如下结果:(1)小鼠模拟海拔5 km低氧4周后,模拟高原组的低频介电常数ε1和介电增量Δε较平原对照组分别增加57%和59%.
ZHANGHong-bo(张红波)   +2 more
doaj   +1 more source

Application of quality control circle activity in reducing the rate of defects in security management of medical oxygen supply system (降低医用供氧系统安全管理缺陷率的品管圈实践)

open access: yes中西医结合护理, 2022
Objective To explore the value of quality control circle (QCC) activities in reducing the rate of defects in security management of medical oxygen supply system.
WANG Yuena (王岳娜)   +2 more
doaj   +1 more source

Effect of Low-Voltage Electrostatic Field Treatment on Postharvest Quality and Mitochondrial Redox Metabolism of Cherry Tomatoes(低压静电场处理对樱桃番茄采后品质及线粒体氧化还原代谢的影响) [PDF]

open access: yesShipin kexue jishu xuebao
Low-voltage electrostatic field technology is a technique that can prolong the shelf life of fruits and vegetables. To explore its impact on the postharvest quality of fruits and vegetables, the effects of low-voltage electrostatic field (200mV and 300mV)
NIU Peirong(牛培荣)   +5 more
doaj   +1 more source

The study of brain function changes and related molecular mechanism of rat with chronic obstructive pulmonary disease [PDF]

open access: yes, 2015
目的 慢性阻塞性肺病(chronicobstructivepulmonarydisease,COPD)以不完全可逆的气流受限和全身系统炎症为特征,可造成脑部供氧不足和神经炎症,导致脑细胞损伤。本研究利用分子生物学等方法探究COPD大鼠脑损伤的分子机制,并为快速诊断出COPD和临床治疗提供依据。 材料和方法 材料:雄性SD大鼠由厦门大学实验动物中心提供,体重230-280g,随机分成4组,健康对照组,吸烟组,脂多糖组,吸烟+脂多糖组,饲养在相同环境下,给予充足的水和食物。 研究方法 ...
严亚
core  

水产动物重要经济性状的分子基础及其遗传改良 [PDF]

open access: yes, 2012
中国水产养殖的成就已被认为是中国对当今世界发展的一个重大贡献.近20年来,基因组学和其他遗传技术的进步显著推动着水产动物分子生物学和遗传育种学基础研究的发展.进入21世纪后,一些主要水产动物的全基因组测序已经完成或接近完成.本文综述了包括基因组技术、体细胞核移植和干细胞技术在内的水产遗传改良技术的一些重要突破性进展,概述了包括生殖、性别、生长、抗病、耐寒和耐低氧这些重要经济性状的分子基础,列出了一系列与这些经济性状相关的候选基因.最后,介绍了几个特别是中国水产动物遗传改良在水产养殖中的应用事例 ...
朱作言, 桂建芳
core  

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