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- Keywords L NNA;\ NOS;\ Ultrastructure;\ Spinal cord injury;\ Rat; 超微结构;脊髓损伤;大鼠;
- The effect of L NNA on DND was observed simultaneously. 同时观察了 L-NNA对海马区 NOS活性和 CA1 区病理改变的影响。
- L arginine ( L Arg), a precusor of NO, had no direct effect on sleep and W, but blocked the effect of L NNA. NO前体L?精氨酸（L?Arg）对睡眠?觉醒无直接影响，但可对抗L?NNA的促睡眠效应。
- Preinjection of L NNA and methylene blue into NPB separately blocked the depressor effect elicited by L Arg. L - Arg在 NPB的降压效应可被 NPB内预注射 L - NNA或鸟苷酸环化酶抑制剂亚甲蓝所阻断。
- These results indicate that D NNA can be unidirection ally converted to L NNA and the kidney is the primary organ on D NNA chiral inversion . D NNA在大鼠体内可单向代谢转化L NNA ,肾脏是D NNA发生手性转化的主要器官
- Normal saline group was injected with normal saline. L Arg/S group and L Arg/L group were injected with L Arg. L NNA group was injected with L NNA. 生理盐水组静脉注射生理盐水 ,L Arg/S组和L Arg/L组静脉注射不同剂量L 精氨酸 ,L NNA组静脉注射L 硝基 精氨酸。
- Methods: 64 Wistar rats were devided into control group ,groups of hepatoportal block at 1, 3, 6, 12, 24 h, respectively, L NNA and L Arg experimental groups. 方法 :将 64只Wistar大鼠随机分成对照组及阻断肝门后 1、3、6、1 2、2 4 h、N-硝基 - L-精氨酸 ( L- NNA)、L-精氨酸( L- Arg)实验组。
- Objective: To study the role of nitric oxide (NO) in hippocampal delayed neuronal death (DND) after transient global ischemia and observe the effects of nonselective nitric oxide synthase (NOS) inhibitor N G nitro L arginine(L NNA)on DND. 目的 :研究一氧化氮 ( NO)在缺血性海马迟发性神经元死亡 ( DND)中的作用 ,观察非选择性一氧化氮合酶 ( nitricoxidesynthase,NOS)抑制剂 NG-nitro-L-arginine( L-NNA)对缺血性海马 DND的影响。
- Keywords L -carnosine Liposome Antioxidant effects; 肌肽;脂质体;抗氧化作用;
- Keywords L type zeolite;aluminosilicate crystal; 型沸石;硅酸铝晶体;
- Keywords L tyrosine;incubation;L thyroxine; 酪氨酸;孵化反应;L-甲状腺素;
- Keywords L keloma of ear lobe;Injection;Triamcinolone acetonide; 耳垂瘢痕瘤;注射;曲安奈德;
- Keywords l paprika pigment;extract;solvent;stability; 辣椒红色素;提取;溶剂;稳定性;
- Keywords L - theanine;ion exchange;extraction;Chinese tea; 茶氨酸;离子交换;提取;茶叶;
- Keywords L thyroxin;metalloproteinases;TIMPs;RT PCR;CPU 0213; 左甲状腺素;基质金属蛋白酶;基质金属蛋白酶抑制剂;RT-PCR;CPU-0213;
- Keywords L valine;breeding;fermentation;Brevibacterium flavum; 缬氨酸;诱变育种;发酵;黄色短杆菌;
- Keywords L asparaginase;soluble expression;functional screening; 天门冬酰胺酶;可溶性表达;功能筛选;
- Effect of L Arg and L NNA on endothelin gene expression and secretion by porcine pulmonary artery endothelial cells under hypoxia L-精氨酸及L-硝基精氨酸对缺氧肺动脉内皮细胞内皮素的影响
- Keywords L arge deformation Fine blanking Grid method; 大变形;精密冲裁;网格法;
- Changes in Responsiveness of Dopamine Receptors in Some Peripheral Vessels in L NNA Induced Pulmonary Artery Hypertension in Rats 左旋硝基精氨酸所致肺动脉高压大鼠外周血管多巴胺-1受体反应性的变化
