动作电位
- 名action potential
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结果山茱萸提取液抗心律失常作用可能与延长心肌动作电位、增大静息电位绝对值和降低窦房结自律性有关。
Results Antiarrhythmic effect of COE may be related to its prolongation of action potential duration , increase of the absolute value of resting potential and a decrease of autonomy of sinus node .
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本文分析了利用吸引电极记录家兔在体心脏单相动作电位(MAP)的实验技术。
An experimental technique for recording monophasic action potential ( MAP ) from rabbit heart in situ was described .
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方法:实验采用心肌单相动作电位(MAP)记录技术。
Methods Heart monophasic action potential recorded technique was adopted in the study .
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目的:通过观察孕酮(P)对离体家兔窦房结细胞动作电位的影响,来探讨孕酮对窦房结细胞电活动的影响及其作用机制。
Objective : To study the effects of progesterone ( P ) on action potential of isolated rabbit sino atrial node cells .
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溶剂组对动作电位各参数均无影响(P0.05)。
Solvent had no effect on the parameters of action potential ( P0.05 ) .
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不同浓度和pH利多卡因对蛙离体坐骨神经复合动作电位的影响
Effects of Lidocaine in Different Concentration and pH on Compound Action Potential of the Sciatic Nerve Isolated from Frog
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动作电位建立的一种新方法及其对ECG信号仿真影响的研究
A New Method of Action Potential Construction and It ′ s Effect on ECG Simulation Study
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III类抗心律失常药物(例如胺碘酮)是通过延长动作电位来发挥作用的。
Class III anti-arrhythmic drugs ( such as amiodarone ) act ia prolongation of the action potential .
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AP液对家兔颈交感神经及迷走神经动作电位的影响
The effect of ap-solution on action potentials of cervical sympathetic and vagus nerves of rabbit
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该方法采用PCA提取动作电位特征,使用改进K均值算法实现动作电位分类。
The action potentials'features are extracted by PCA , the action potential classification is implemented by the improved K-means algorithm .
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目的:观察人参四逆汤化合物H(H)对成年豚鼠离体心的心肌收缩性能和心室肌细胞动作电位的影响。
Objective To investigate the effects of chemical H of Renshen Sini Tang on myocardium contraction and action potentials of isolated working heart in adult guinea-pig .
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基于此,提出基于主元分析(PCA)和改进K均值相结合的动作电位分类方法。
This paper proposes a method based on Principal Component Analysis ( PCA ) combined with improved K-means for action potential classification .
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晚近报道,SNP可抑制听神经复合动作电位(compoudactionpotential,CAP),其耳毒作用机制尚不清楚。
It was reported that SNP caused a Ioss of auditory nerve compound action potential ( CAP ) .
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丹参注射液对模拟缺血预适应引起兔心室肌细胞动作电位和ATP敏感性钾电流变化的影响
Effects of Salvia Miltiorrhiza on Action Potential and ATP-Sensitive Potassium Currents Interfered by Ischemic Preconditioning in Ventricular Myocytes of Rabbit
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ES细胞分化来源的心肌细胞具有体内心肌细胞的生理学特点,如产生的动作电位、表现自发性收缩等。
ES-derived cardiomyocytes possess ( characteristics ) of physiology of cardiomyocytes in vivo such as action potentials and spontaneously beating .
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家兔在体胫骨前肌单纤维动作电位及颤抖(jitter)值的测定
Measurement of the single muscle fiber action potentials and jitter value in tibialis anterior muscles of rabbits in situ
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目的观察速尿对豚鼠耳蜗微音器电位(CM)和听神经动作电位(AP)的影响。
Objective : To observe the effect of furosemide on the cochlear microphonic potential ( CM ) and auditory nerve potential ( AP ) .
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CGRP对动作电位复极过程的作用因温度条件而异。
And ( 4 ) the effects of CGRP on the configuration of action potential were temperature dependent .
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[方法]局部场刺激作用于成年大鼠心肌细胞,使其产生动作电位,进而诱发胞内钙瞬变(action-potential-inducedCa2+transients,ACT)。由ACT可估测胞内钙释放。
[ Methods ] Local field stimulation was delivered to freshly isolated rat single cardiac myocytes to generate action potential-induced Ca2 + transients ( ACT ) for assessing intracellular Ca2 + release .
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腺苷拮抗ISO对豚鼠心室肌细胞动作电位及内向整流钾通道作用机制的探讨
Study of Mechanism of Adenosine Antagonized Isoproterenol on Action Potentials and Inward Rectifier Potassium Channels in Guinea Pig Papillary Muscles and Ventricular Myocytes
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实验表明,CGRP能够显著增加心室肌细胞静息电位,提高动作电位幅度。
The results showed that CGRP could increase ventricular myocardial resting potential and elevate the amplitude of action potential .
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即使浸泡时间长达30min,动作电位仍可在任氏液中于36(30~45)min再现,动作电位抑制是可复的。
The action potential could revival in Ringer 's solution at 36 ( 30 to 45 ) min.
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结果:术后12周,B组在远侧段动作电位幅值和动作电位幅值恢复率均大于A组和C组,A组大于C组;
Results 12 weeks after the procedure , the amplitude of nerve action potential and its recovery rate in group A were bigger than those in group C while those in group B were the biggest .
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目的:研究机械牵张对模拟缺血状态下体外豚鼠乳头肌动作电位(AP)的影响。
Objective : To investigate the effects of stretch under simulated ischemic conditions on action potential of isolated papillary muscles of guinea pig hearts .
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通过使用全细胞膜片钳技术证明了在心室肌细胞上银杏苦内酯B可浓度依赖性的缩短动作电位时程,主要与增大延迟整流型钾电流有关。
Ginkgolide B may shorten the action potential duration in a concentration-dependent manner which mainly due to the increase of the delayed rectifier potassium current ( Ik ) in single ventricular myocytes by using patch-clamp techniques .
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右心室单向动作电位时间(MAPD90)延长(P<0.01),而ERP/MAPD90不变。
The right ventricular monophasic action potential duration at 90 % repolarization ( MAPD 90 ) was prolonged ( p < 0 01 ), but ERP / MAPD 90 of right ventricle remained unchanged .
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目的:观察尼群地平衍生物NIT-Ⅵ对离体豚鼠右心室乳头状肌慢反应动作电位(SAP)的影响。
Aim : To study the effects of the ramification of nitrendipine ( NIT - ⅵ) on the slow action potentials in guinea pig papillary muscles .
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CVBD明显延长动作电位的有效不应期(ERP)、增大ERP与APD的比值。
CVB D could markedly prolong the effective refractory period ( ERP ) of action potential , increase the ratio of ERP / APD .
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目的观察豚鼠暴露于稳态强噪声后听神经复合动作电位(CAP)及神经丝蛋白(NFP)的变化。
Objective To observe the changes of compound action potential and neurofilament protein after intensive continual noise exposure in guinea pigs .
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结论:(1)牛磺酸抑制对照组豚鼠离体心脏窦房结细胞动作电位的Vmax、SDR,可能与其具有钙拮抗作用有关;
Taurine significantly depressed the Vmax and SDR of action potential of sinoatrial node cell in heart .