| 參考價 | 面議 |
電驚厥儀設(shè)計用來誘發(fā)研究動物驚厥。根據(jù)不同動物不同接觸阻抗，反饋電路可自動調(diào)整電流水平，產(chǎn)生一致重復(fù)電流。
電驚厥儀設(shè)計用來誘發(fā)研究動物驚厥。根據(jù)不同動物不同接觸阻抗反饋電路可自動調(diào)整電流水平產(chǎn)生一致重復(fù)電流。
可預(yù)先測量動物的阻抗并顯示假如阻抗太大導(dǎo)致施加太大的預(yù)期電流會有黃燈報警提示。電驚厥儀標準配備有耳電極。角膜電極是可選件。
一個可選的雙向單元盒可以安放在動物與電驚厥儀之間間隔地反向脈波。這種情況下大頻率會變?yōu)?00Hz。
Electroconvulsive Device is designed for inducing convulsions in research animals. Consistent reproducible current levels are produced by feedback circuitry that adjust for variance in impedance of the contact from animal to animal.
主要技術(shù)參數(shù)
| Frequency | 1-299 pulses/sec. |
| Shock Duration | 0.1-9.9 sec. |
| Compliance Voltage | 2.5 kV |
| Current Range | 1-99mA |
| Output Impedance | 0 Ohm to 25 kOhm |
| Pulse Width | 0.1 - 0.9 ms. |
| Pulse Rise and Fall Time | 20 µs |
| LED Display | 0 to 199 kOhm |
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可根據(jù)需要選擇組織損毀儀
組織損毀儀
電損毀儀于神經(jīng)化學(xué)和神經(jīng)藥理學(xué)研究。恒定的電流能夠確保測量結(jié)果有良好的重復(fù)性和由藥物對大腦皮層或大腦皮下層區(qū)域引起電休克進行精確測定。持續(xù)的電流等級通過反饋電路形成該電路還可調(diào)節(jié)動物間不同的阻抗。動物阻抗能夠被預(yù)測試和顯示并且在阻抗太高而不能發(fā)出理想的電流信號時會自動警報提示。
角膜和耳使用標準的電極也可根據(jù)實驗人員的需要定制電極。有逆變器、雙相單元、雙極型逆變器可選。
主要技術(shù)參數(shù)
| Current Range | 10 µA to 99 mA |
| Max Electrode Resistance | 20 MO (10 µA) down to 2KO (100 mA) |
| Pulse Duration | 1-99 sec. or manually controlled |
| Compliance Volatage | 200V |
| Shipping Wt.: | 6 lbs. (2.8 kg) |
| Dimensions (cm): | 25 x 15 x 11 |
相關(guān)引用文獻
K.M. Ryan et alia“Electroconvulsive Stimulation Alters Levels of BDNF-asociated microRNAs” Neuroscience Letters (avaiable May 2013)
N.K. Thomas et alia“Triheptanoin in Acute Mouse Seizure Models” Epilepsy Research 99(3)312-317, 2012
S.A. Epps et alia“Seizure Susceptibility and Epileptogenesis in a Rat Model of Epilepsy and Depression Co-Morbidity” Neuropsychopharmacol. 372756-2763, 2012
M. Gasior et alia“Anticonvulsant and Proconvulsant Actions of 2-deoxy-D-glucose” Epilepsia 1-10, 2010
A.L. Hartman et alia: “Efficacy of the Ketogenic Diet in the 6-Hz Seizure Test” Epilepsia 49(2)334-339, 2008
J.E. Ploski et alia: "Electroconvulsive Seizure-Induced Gene Expression Profile of the Hippocampus Dentate Gyrus Granule Cell Layer" J.Neurochemistry 99 (4)1122-1132, 2006
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