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Allograft semilunar cardiac valves processing and cryopreservation – morphology in scanning electron microscope
Objective: The most important factors of long term clinical performance of biological heart valve prostheses are methods of processing and cryopreservation. That is why we decided to evaluate theExpand
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Toxicities of O-alkyl S-(2-dialkylaminoethyl) methyl phosphonothiolates (V-compounds).
Toxicities expressed as LD50 values of O-alkyl S-(2-dialkylaminoethyl) methyl phosphonothiolates in different species and different routes of administration were determined. Rats were more sensitiveExpand
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Inhibition of Acetylcholinesterase in Different Structures of the Rat Brain Following Soman Intoxication Pretreated with Huperzine A
Acetylcholinesterase (AChE) activities in different brain parts were determined quantitatively in rats treated with huperzine A, soman, and huperzine A followed by soman, using histochemical andExpand
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Different inhibition of acetylcholinesterase in selected parts of the rat brain following intoxication with VX and Russian VX
Differences between acetylcholinesterase (AChE) inhibition in the brain structures following VX and RVX exposure are not known as well as information on the possible correlation of biochemical andExpand
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Cryopreserved semilunar heart valve allografts: leaflet surface damage in scanning electron microscopy.
OBJECTIVE Allograft heart valves (AHV), biological valves of human origin, offer potential advantages over conventional xenografts in terms of superior hemodynamics and, perhaps, better durability.Expand
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Alternative Method of Rapid Drying Vascular Specimens for Scanning Electron Microscopy
Purpose: To report the use of hexamethyldisilazane (HMDS) as an alternative to critical point drying for preparing stented canine peripheral vessels for scanning electron microscopy (SEM). Technique:Expand
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Changes of acetylcholinesterase activity in different rat brain areas following intoxication with nerve agents: biochemical and histochemical study.
Acetylcholinesterase activity in defined brain regions was determined using biochemical and histochemical methods 30 min after treating rats with sarin, soman or VX (0.5 x LD(50)). Enzyme inhibitionExpand
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Cryopreserved human aortic root allografts arterial wall: Structural changes occurring during thawing
Background The aim of our experimental work was to assess morphological changes of arterial wall that arise during different thawing protocols of a cryopreserved human aortic root allograft (CHARA)Expand
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Changes in cholinesterase activities after daunorubicin administration to rabbits
1 Acetyl- and butyrylcholinesterase (AChE, BuChE) activities were studied in rabbits with experimentally induced daunorubicin cardiomyopathy. 2 A significant decrease of the plasma BuChE in theExpand
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[Findings of massive pneumatization of the middle nasal turbinate in a collection of skulls from the 13th-18th centuries].
Ethmoid cells display a considerable variability due to their extensive development. Pneumatization of middle turbinate intermediary one or several ethmoid cells is referred to "concha bullosa",Expand
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