粉體行業在線展覽
面議
440
甩尾測痛儀儀器簡介:
甩尾測痛儀主要是用于測量大、小鼠尾巴部受紅外熱刺激的痛覺閾值。實驗時,當動物感覺疼痛,尾巴會輕敲臺面,內置傳感器會立刻檢測到,停止計時和關閉光源,即儀器自動記錄反應時間和光源強度。數據可通過U盤、USB數據線等導出。
甩尾測痛儀的詳細介紹
甩尾測痛儀主要是用于測量大、小鼠尾巴部受紅外熱刺激的痛覺閾值。實驗時,當動物感覺疼痛,尾巴會輕敲臺面,內置傳感器會立刻檢測到,停止計時和關閉光源,即儀器自動記錄反應時間和光源強度。數據可通過U盤、USB數據線等導出。 甩尾測痛儀中有一可調強度的紅外光源,其紅外光主要是通過一拋物面反射鏡聚焦在實驗動物的尾巴上。實驗時,操作人員將實驗動物置于儀器上,把動物的尾巴放在紅外光源處,接受刺激。 特征 儀器自動記錄實驗數據 精度高,避免人為因素引起的誤差 包含U盤和軟件 優點可獨立工作,也可連接電腦使用 儀器工作臺表面無突出和遮擋物件 操作方便,實驗重復性好 規格; 命令:
數據讀取:液晶顯示
電源:universal mains 85-264 VAC, 50-60Hz
打印:微型熱敏打印機(需另外購買)
工作溫度:15° - 30° C
開始:紅外開關
聲級:< 70 dB
紅外強度:10-99級間可調
反應時間:液晶屏顯示,分辨率為0.1s
校準:紅外熱輻射計(需另外購買)
截止時間:預置,15 - 60 s間
文獻
關于方法
- F.E. D’Amour & D.L. Smith: "A Method for Determining Loss of Pain Sensation." J. Pharmacol. Exp. Therap. 72: 74-79, 1941.
- D.C. Yeomans & H.K. Proudfit: “Characterization of the Foot Withdrawal Response to Noxious Radiant Heat in the Rat”Pain 59: 85-97, 1994.
涉及疼痛甩尾
- C. Dawson et alia: “ Dexmedetomidine Enhances Analgesic Action of Nitrous Oxide” Anesthesiology 100 (4): 894?904, 2004
- P. Tolu et alia: “ Effects of Long-Term Acetyl-L-carnitine Administation in Rats: I. Increased Dopamine Output in Mesocorticolimbic Areas and Protection Toward Acute Stress Exposure” Neuropsychopharmacol. 27 (3): 410-420, 2002
- R. Nadeson et alia: “ Potentiation by Ketamine of Fentanyl Antinociception. I. An Experimental Study in Rats Showing that Ketamine Administered by Non-Spinal Routes Targets Spinal Cord Antinociceptive Systems” Br. J. Anaesthesia 88 (5): 685?691, 2002
- L. Jasmin et alia: “ The NK1 Receptor mediates Both the Hyperalgesia and the Resistance to Morphine in Mice Lacking Noradrenaline” PNAS 99 (2): 1029?1034, 2002
- G.L. Fraser et alia: “ Antihyperalgesic Effects of Opioid Agonists in a Rat Model of Chronic Inflammation” Br. J. Pharmacol. 129: 1668?1672, 2000
- M. Xu et alia: “ Effects of Radolmidine, a Novel α2- Adrenergic Agonist Compared with Dexmedetomidine in Different Pain Models in the Rat” Anesthesiology 93 (2): 473?481, 2000
- A. K?ster et alia: “Targeted Disruption of the Orphanin Fq/Nociceptin Gene Increases Stress Susceptibility and Impairs Stress Adaptation In Mice” Neurobiology 96 (18): 10444-10449, 1999
- I. Sora et alia: “Opiate Receptor Knockout Mice Define μ Receptor Roles in Endogenous Nociceptive Responses and Morphine-Induced Analgesia” Neurobiology 94: 1544-1549, 1997
- C.T. Dourish et alia: "The Selective CCK-B Receptor Antagonist L-365,260 Enhances Morphine Analgesia and Prevents Morphine Tolerance in the Rat" Europ. J. Pharmacol. 176: 35-44, 1990
- P.W. Nance & J. Sawinok: "Substance P-Induced Long-Term Blockade of Spinal Adrenergic Analgesia: Reversal by Morphine and Naloxone" J. Pharmacol. Exp. Therap. Vol. 240, No. 3: 972-977,
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