- 更多网络例句与氧化抑制作用相关的网络例句 [注:此内容来源于网络,仅供参考]
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The paper also studied the antioxidation capacity of soybean peptides in the food system and non-food system. The results showed that the soybean peptides can prolong the inducing period of the axunge oxygenation and cooperate with hydroxybenzene antioxidant which was more obvious in the food system. In the non-food system, the soybean peptides can control the autooxidation speeds of octadecadienoic acid and diphenolic compound and the effect on the latter was more obvious.
论文对大豆多肽在食物体系与非食物体系中的抗氧化性能做了研究,结果表明:大豆多肽在食物体系中能够延长油脂氧化酸败的诱导期,而且与酚类抗氧化剂协同作用,效果更为明显;在非食物体系中,大豆多肽能够抑制亚油酸的自氧化及邻苯三酚的自氧化速率,其中对后者的抑制作用较前者显著。
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Earthworms might be a good bioindicator for the contamination of roxarsone to soil. No significant influence of roxarsone contamination upon the biomass and the reproductive ability of earthworms was found, which indicated that earthworms could tolerate heavy contamination of roxarsone. 2. Effects on the important enzymatic system of earthworms The activities of PROD, BROD and MROD in P450 family were inhibited.
对蚯蚓体内重要酶系统的影响洛克沙胂对P450酶系中的PROD(7-戊氧基异吩噁唑酮-O-脱乙基酶)、BROD(7-苄氧基异吩噁唑酮-O-脱乙基酶)和MROD(7-甲氧基异吩噁唑酮-O-脱乙基酶)的活性都有抑制作用,对MROD的抑制作用最明显;在抗氧化酶系统中,对过氧化氢酶在整个试验进程中都有激活作用,而对其他抗氧化酶有时起激活作用,有时起抑制作用,规律性不明显。
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The space oriented blocks of modifiers favor the formation of small-sized rutile TiO2 nano-rods, at the same time, the coordination between carboxyl or hydroxyl group of modifiers and TiO2 nanoparticles also inhibit the TiO2 crystal growth, resulting in small-sized rutile nanoparticles.
结果表明:含羧基或羟基的有机化合物在修饰剂条件下都制得了纳米金红石型二氧化钛,且修饰剂的加入抑制了棒状纳米二氧化钛的颗粒大小,其中修饰剂的空间位阻效应在控制合成小尺寸二氧化钛纳米棒中起主要作用,且修饰剂的羟基和羧基的络合作用对颗粒的生长也起到抑制作用。
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In addition, NOS activity decreased with the time prolonged in vitro, when oxyhemoglobin, a scavenger of NO, was applied, the NOS activity kept stable. This result above demonstrated that NO can inhibit NOS activity, and it was the inhibition of NOS activity by NO that may be an important protective mechanism to resist the neurotoxicity by Py.
另外,本实验还发现,在体外实验时,一氧化氮合酶活性可随时间的延长而逐渐下降,当向反应体系中加入氧合血红蛋白去除一氧化氮的作用后,则一氧化氮的抑制作用消失,酶活性保持稳定;以上结果表明一氧化氮对于一氧化氮合酶活性具有抑制作用,而且这种抑制作用,可能是机体对抗拟除虫菊酯毒性作用的一种重要保护机制。
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Wenxin capsule can promote endolethial cells releasing CO and synthesing 〓, enhance activity of HO, induce angiectasis through activating guanylic cyclase and adenglate cyclate of intracellar of vessel smooth muscle cell to enhance content of intracellar cGMP and AMP. 3. Wenxin capsule can inhibit releasing of platelet activiting factor 〓 which inhibit platelet aggregation and have antithrombosis function. 4. Wenxin capsule can promote activity of t-PA, reduce activity of PAI-1, strengthen fibrinolytic function, therefore inhibit fibrin disposition. 5. Wenxin capsule can inhibit synthesis of smooth muscle cellular DNA. Its function don't kill it directly but prevent transformation from period Go to peried S. 6. Wenxin capsule is an effective prescription of anti-coronary atherosclerosis atherosis. The results of image pattern analysis tastifies that area of lipid plaque in treating group reduce 54% and 58% in contrast with that in control group. The results of light, electro- microscopy show that structure of endolethial cell and smooth muscle cell in treating group is more integral than that in control group.
其作用机制之一是由于该药具有良好的调脂降脂作用,其不仅能明显降低血清LDL-c及升高HDL-c含量,且能有效阻止TC沉积于血管壁,从而保护内皮细胞结构完整;此外,温心胶囊尚具有明显的抗氧化作用,该药不仅能明显降低血浆LPO含量,且能提高SOD活性,同时其对血红素在细胞内代谢的调节作用也参与了抗氧化过程。2 温心胶囊能明显促进内皮细胞释放CO及合成〓,提高HO活性,通过激活血管平滑肌细胞内鸟苷酸环化酶及腺苷酸环化酶引起细胞内cGMP、AMP浓度增加而引起血管舒张。3 温心胶囊能明显抑制血小板激活因子〓的释放,从而抑制血小板聚集,抗血栓形成。4 温心胶囊能明显提高t-PA活性,降低PAI-1活性,增强纤溶功能,从而抑制纤维蛋白沉积。5 温心胶囊能明显抑制平滑肌细胞DNA合成,其抑制作用不是直接杀伤抑制,而是阻止细胞由Go期向S期转化。6 温心胶囊是抗冠状动脉粥样硬化的有效制剂,图象分析结果证实,该药治疗组脂斑面积比对照组缩小了54%和58%,光电镜结果显示内皮细胞及平滑肌细胞结构较为完整。
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objective the effects of anthocyanin pigment from maize purple plant on resisting lipid peroxidation were investigated.methods the inhibition of anthocanin pigment from maize purple plant was examined in vitro that autcoxudation of lecithin liposome system induced by fe2+.50 mice were randomly divided into 5 groups.vehicle and different dose anthocyanin pigment from maize purple plant were given respectively,and then experimental injury of mice liver was induced to make use of bromobenzene and the content of mda was determined in liver homogenate.results the inhibition rates of anthocyanin pigment from maize purple plant on linoleic acid oxidation was higher that of ascorbic ascorbic acids.the content of mda in homogenate in middle and high dose of pigment were significantly lower than that in low dose and the injured control group.there were no significat differences in the content of mda in homogenate between low dose group and injury control group.conclusion the anthocyanin pigment from maize purple plant have the capability to resist lipid peroxide.
目的 探讨玉米紫色植株色素抗脂质过氧化的作用。方法体外实验测定玉米紫色植株花色苷色素在fe2+引发的卵磷脂脂质体体系中抗氧化活性。体内实验,取50只小鼠随机分成5组,分别给予溶媒和不同剂量的色素,然后采用溴代苯致实验性肝损伤,测定肝匀浆的丙二醛含量。结果在由fe2+引发的卵磷脂脂质体体系中玉米紫色植株色素对脂质过氧化有明显的抑制作用,抑制率随样品的浓度增高而增大,并且明显优于抗坏血酸。在溴代苯致小鼠实验性肝损伤模型实验中,中、高剂量组的丙二醛含量均低于损伤模型组。低剂量组和损伤模型组比较丙二醛含量差异无统计学意义。
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The results showed that modified phosphatic coating layer could effectively inhibited oxidation of C/C composite braking material at simulated aircraft stopping factors.
涂层炭/炭复合材料试样在高温空气气氛中进行热震试验和恒温氧化试验,结果表明改性磷酸盐涂层对炭/炭复合材料具有良好的氧化抑制作用。
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Biological activities of SPThe inhibitory effect of SP on oxidation of lipids and the acitivity of lipoxygenase, the scavenging or quenching effect of SP on free radicals, and the influences of SP on the malonaldehyde content in mice liver juice, liver mitochondria and liver red blood cell were studied. The results showed that SP can inhibit the auto-oxidation of lard and soybean oil at 60 and can inhibit the activity of lipoxygenase significantly; SP also had scavenging effect on hydroxylradicals generated by Fenton system with IC50 value 6.220 mg/ml, under the concentration range of 1 mg/ml-50mg/ml, the scavenging rate of SP to -OH increased strongly when the concentration of SP increased, the maximum scavenging rate was 85.4%.
大豆多肽的生物活性研究研究了大豆多肽抗油脂氧化、抑制脂肪氧合酶及清除自由基的作用,以及对小鼠肝组织匀浆、肝线粒体和红细胞丙二醛含量的影响,结果显示:在60℃时,大豆多肽对猪油与豆油的自动氧化均有一定的抑制作用:对脂肪氧合酶的抑制作用显著:对Fenton体系产生的羟基自由基具有明显的清除作用,其IC_(50)值为6.220mg/ml。
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Antioxidative activity of flavonoids from Lespedeza bicolor were investigated by examining the scavenging effects on hydroxyl radicals and superoxide anion O2(superscript - and the inhibitions on auto-oxidation of lard, rape seed oil, and linoleic acid, The results showed that LBF had significant scavenging functions to free radical and superoxide anion, and the scavenging effect increased with the increase of the content of LBF; LEF can remarkably inhibit auto-oxidation of lard, rape seed oil, and linoleic acid, indicating its potential as a natural antioxidant.
通过二色胡枝子黄酮(Lespedeza bicolor flavonoids, LBF)清除羟自由基、超氧阴离子的效果及抑制猪油、菜油、和亚油酸的自氧化来研究二色胡枝子黄酮的抗氧化活性。其研究结果表明,二色胡枝子黄酮对清除自由基有显著性作用,且清除率随黄酮浓度的增加而增大;能够极显著地抑制猪油、菜油、亚油酸的自氧化(P.01),抑制作用随浓度的增大而增强。作为天然的抗氧化剂,二色胡枝子黄酮具有一定的开发利用价值。
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Results were shown as followings:(1) Sodium selenite at 0~2.5 μmol/L significantly increased the antioxidative capacity of L-02 cells without having remarkable impact on SMMC-7721 cells;(2) Sodium selenite at concentrations above significantly increased telomerase activity, hTERT gene expression and telomere length of L-02 cells without significant impact on SMMC-7721 cells;(3) Sodium selenite at higher concentrations (larger than 5 μmol/L) resulted in peroxidation of L-02 cells, while scutellarin significantly counteracted its effect;(4) Selenium-rich amino acids from silkworm pupas in the range of 0.5~2.5 μmol/L Se significantly inhibited SMMC-7721 cell growth, induced apoptosis and cell cycle change, and the generation of reactive oxygen species. In contrast, sodium selenite and selenomethionine only had weak impact on them at the same concentrations;(5) A new selenium-containing protein was found from selenium-rich silkworm pupas, which is worthy to be study further;(6) An expression vector containing ansense RNA of hTERT gene were constructed and used to transfect SMMC-7721 cells. They were observed to inhibit hepatoma cells.
结果如下:(1)0~2.5μmol/L亚硒酸钠显著性增强L-02细胞的抗氧化能力;而对SMMC-7721细胞的作用不显著;(2)该浓度硒显著性提高L-02细胞端粒酶活性、增强hTERT基因表达和延长细胞端粒长度;而对SMMC-7721细胞的作用均不显著;(3)高浓度硒(5μmol/L以上)显著性抑制L-02细胞生长、致细胞过氧化,灯盏花素能拮抗硒所致过氧化、降低硒毒性;(4)0.5~2.5μmol/L富硒蚕蛹氨基酸显著性抑制肝癌细胞SMMC-7721生长、导致细胞凋亡和周期改变、诱导细胞产生活性氧,同浓度亚硒酸钠和硒代蛋氨酸对其抑制不显著;(5)富硒蚕蛹蛋白经分离纯化和鉴定后发现存在一新含硒蛋白,其结构和功能有待研究;(6)通过已有的含hTERT基因质粒,成功构建hTERT反义RNA表达质粒,转染SMMC-7721细胞后对其生长具有抑制作用。
- 更多网络解释与氧化抑制作用相关的网络解释 [注:此内容来源于网络,仅供参考]
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Alpha Tocopheryl:维生素E 抗氧化
Alpha Lipoic Acid 脂肪酸,硫辛酸 抗氧化 | Alpha Tocopheryl 维生素E 抗氧化 | Aluminum Chlorohydrate 氢氯算铝 可抑制身体出汗,常来作用止汗剂成分
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arginine:阿金氨基酸
而氧化酵素(lignin peroxidase)有较高之活合成酵素(NOS)活性具抑制作用之阿中,阿金氨基酸(arginine)的促进作用小聚落(patchy)聚集,
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nitric oxide:氧化氮
应考量体内荷尔蒙低下问题~若只是强制给予威尔钢Viagra或犀利 士Cialis或乐威状Levitra主要是增加阴茎的血流量而恢复患者受损的勃起功能(藉由抑制PDE5 而增强阴茎海绵体内NO氧化氮(Nitric oxide)的作用 当NO因为性刺激而释放时,
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nitric oxide:氧化亚氮
由于上述过程的作用使前激肽酶变成激肽酶,激肽酶酶解激肽原释放出缓激肽;再加上血管内皮细胞分解放出的弛缓因子、巨噬细胞产生的氧化亚氮(Nitric oxide)、心肌抑制因子(MDF)以及内源性阿片类(Opiod)释放入血均可见血压下降.
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plant sterol:植物固醇
大量流行病学资料提示中度饮酒或服用具有抗氧化作用的维生素可分别通过增高HDL-C和抑制脂蛋白的氧化修饰而减少患心血管病的危险性. 不少最新研究表明增加摄入植物固醇(plant sterol)或胶黏纤维(viscous fiber)可明显降低血清胆固醇水平从而达到降低血管病危险性的保护作用.
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uncompetitive inhibition:反竞争性抑制作用
反竞争性抑制作用(uncompetitive inhibition): 抑制剂只与酶-底物复合物结合而不与游离的酶结合的一种酶促反应抑制作用. 这种抑制使Km和υmax都变小但υmax/Km不变. 很大一类复杂的蛋白质物质 [enzyme;ferment],在促进可逆反应(如水解和氧化)方面起着像催化剂一样的作用.
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Thio Urea:硫脲
利用多种氧化酶抑制剂对酚氧化酶纯化样品的酶活性进行研究, 发现抗坏血酸(ascorbic acid)、 半胱氨酸(cysteine)和二硫苏糖醇(dithiothreitol)对酚氧化酶活性具有很强的抑制作用, 硫脲(thio urea)对酚氧化酶活性也具有较强的抑制作用,
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Vit C:维生素
文章摘要:目的探讨抗氧化剂维生素(Vit E)、维生素(Vit C)对H2O2氧化损伤所诱发的晶体上皮细胞(LECS)凋亡的抑制作用. 方法在MEM培养基中离体培养免晶体,分别在不同培养时限时观察对照组和各试验组晶体混浊情况,计算细胞凋亡率.
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antioxygenic property:抗氧化性能
antioxidation | 抗氧化(作用), 氧化抑制(作用) | antioxygenic property | 抗氧化性能 | antiozonant | 抗臭氧剂
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nitric oxide synthase:一氧化氮合成酶
异硫脲基团是一种有生物活性的基团,异硫脲化合物具有杀虫、抗菌,抑制一氧化氮合成酶(nitric oxide synthase)的活性等作用,但未见其有抑制胃酸分泌活性的报道.