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排序方式: 共有724条查询结果,搜索用时 15 毫秒
1.
AA Ovchinnikov VE Tsvettsikh BA Berdichevski? VN Lykov VR Suktanbaev AV Murychev 《Canadian Metallurgical Quarterly》1996,20(4):7-9
Through TCD test, observation on the blood flow dynamics change before and after treatment with 31 cases of the child cerebral atrophy was made. It is found that scalp therapy is able to speed up the blood flow of part artery, especially increase the even blood flow speed of MCA, ACA obviously (P < 0.05), which preliminary shows the mechanism of scalp therapy for child cerebral atrophy mean while. It is found that scalp therapy also has the function to restrain epilepsy. 相似文献
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BACKGROUND: The matrix metalloproteinases (MMPs) MMP2 and MMP9 play a significant role in epidermal detachment, inflammation and re-epithelialization. We have evaluated their activity in toxic epidermal necrolysis (TEN). DESIGN: The level and pattern of activity of MMP2 and MMP9 were investigated by measuring the degradation of 3H-labelled gelatin and by zymography in blister fluid from six TEN patients and compared the results with three other blistering conditions: bullous pemphigoid (n = 6), second-degree burn (n = 13) or suction blister (n = 3). RESULTS: A higher amount of MMP2 was found in TEN blister fluid with the constant presence of a significantly larger proportion of the activated forms of MMP2, a particular feature of TEN, than the other blistering diseases studied. CONCLUSION: This study emphasizes the potential role of MMP2 in the specific inflammatory reaction and reparation process in TEN skin. 相似文献
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BV Venkataraman S Dutt J Czekajewski L Nennerfelt C Williams 《Canadian Metallurgical Quarterly》1995,39(3):283-286
A simple method has been developed for continuous monitoring of metabolic activity of an isolated, perfused rat heart by O2/CO2 respirometer. Since respirometer provides vital data on oxygen consumption and carbon dioxide production of a preserved organ on a continuous basis over a long period of time, it will be possible to use this method to monitor viability of not only isolated heart but also any given donor organ under preservation. 相似文献
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BV Chernyak 《Canadian Metallurgical Quarterly》1997,418(1-2):131-134
Release of Ca2+ from mitochondria into cytosol in intact thymocytes was studied using the fluorescent dye Fluo-3. It was shown that the release of Ca2+ induced by the dithiol cross-linking agent phenylarsine oxide or by uncoupler was strongly inhibited by cyclosporin A, a specific inhibitor of the permeability transition pore (PTP) in mitochondria. Oxidative stress sensitized the pore so even partial uncoupling caused rapid cyclosporin A-sensitive release of Ca2+. The experiments on digitonin-permeabilized cells confirmed that uncoupling induced opening of the PTP, which forms the major pathway for rapid release of Ca2+ from thymocyte mitochondria. 相似文献
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A method is proposed for detecting and measuring the late potentials of the ventricles of the heat (LPV). The method is based
on computations of the amplitude, time, and spectral parameters of the signal. Examples are given of the use of the method
in patients with or without LPV.
Translated from Izmeritel'naya Tekhnika, No. 2, pp. 57–59, February, 1996. 相似文献
10.
S. Rombetto Yu. N. Ovchinnikov V. Corato P. Silvestrini E. Esposito C. Granata M. Russo R. Russo B. Ruggiero 《Open Systems & Information Dynamics》2007,14(2):209-216
We study the resonant quantum behaviour of a macroscopic superconducting system interacting with an external field. First
we consider the resonant tunneling assisted by microwave frequency in the moderate underdamped quantum regime. Then we consider
the resonant process in the extreme underdamped limit. In both regimes we have investigated a small frequency range, where
resonant phenomena take place. The transition probability W from the left to the right potential well has been numerically
calculated for an rf-SQUID as function of the external flux φ
x
for both regimes. Results indicate that, in a proper frequency and φ
x
range, the transition probability W can present two or three resonant peaks, depending on the damping regime. 相似文献