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abstract::In order to evaluate the many variables that can affect cryopreservation success, a simple, highly reproducible model system is required. We have evaluated the use of tetrazolium reductase activity as a prognostic indicator of skin viability in an inbred murine model. Two inbred hairless mouse strains were characteriz...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(90)90049-a
更新日期:1990-02-01 00:00:00
abstract::Two-cell mouse embryos were frozen by direct plunging into liquid nitrogen after a 3-min exposure to solutions containing 0.25 M sucrose with 1.5, 3, or 4.5 M dimethyl sulfoxide (Me2SO), and 0, 4, 8, 16, or 32 mg/ml bovine serum albumin (BSA). In the absence of BSA, significantly more embryos were lost or damaged duri...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(89)90066-7
更新日期:1989-10-01 00:00:00
abstract::The effect of cryopreservation on ciliary activity of human nasal respiratory epithelium was evaluated. Samples were cryopreserved in a solution containing nutrient medium, 10% fetal calf serum, and two different concentrations (10 or 20%) of dimethyl sulfoxide and stored in liquid nitrogen at -196 degrees C for 2 wee...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(89)90056-4
更新日期:1989-08-01 00:00:00
abstract::Freeze-tolerant third instar larvae of the gallfly Eurosta solidaginis were cooled at 10, 5, 1, and 0.1 degrees C min-1 to -40 degrees C and then warmed to +5 degrees C at 1 degree C min-1. After cooling and warming the larvae were transferred to 21 degrees C and the survival of larvae, success of pupariation, and adu...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(89)90024-2
更新日期:1989-06-01 00:00:00
abstract::Lactate dehydrogenase (LDH) was chemically ethyl-acetimidated (EA-), dimethyladipimidated (DMA-), carbamylated, acetylated, acetoacetylated, or succinylated in order to alter the ionic charges on the epsilon-amino group of lysine residues. Acetylation, acetoacetylation, and succinylation, which change the positive cha...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(89)90046-1
更新日期:1989-04-01 00:00:00
abstract::The cause of slow freezing injury and the basis of the protection by solutes like glycerol are subjects of debate. During slow freezing, cells are sequestered in unfrozen channels between ice crystals that grow by removing pure water from the channels. As a consequence, the solute concentration in the channels rises a...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(89)90030-8
更新日期:1989-02-01 00:00:00
abstract::We have demonstrated that sugars and suger/zinc mixtures can be used to preserve the activity of dried phosphofructokinase (PFK) during long-term storage over CaSO4. After 9 weeks in the presence of either 200 mM sucrose or 200 mM trehalose little loss of PFK activity was noted, with almost 60% of the original prefree...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(88)90045-4
更新日期:1988-08-01 00:00:00
abstract::Dipalmitoylphosphatidylcholine (DPPC) bilayers hydrated in the presence of trehalose were equilibrated at various temperatures (4, 20, and 60 degrees C) corresponding to the crystalline Lc, gel L beta', and liquid-crystalline L alpha phases, respectively, and then desiccated at these temperatures or freeze-dried at -8...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(88)90033-8
更新日期:1988-06-01 00:00:00
abstract::The recently formulated bioheat equation of Weinbaum and Jiji which accounts for the vascular ultrastructure and blood perfusion was applied to the freezing of peripheral tissue. Using quasi-steady approximation the temperature distribution in the two-phase tissue and the motion of the frozen front were determined. Re...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(88)90009-0
更新日期:1988-04-01 00:00:00
abstract::1,3-Butanediol and 2,3-butanediol have been used in buffered solutions with 20, 30, or 35% (w/w) alcohol to cool erythrocytes to -196 degrees C at different cooling rates between 1 to 3500 degrees C/min, followed by slow or rapid rewarming. 1,3-butanediol shows the same shapes of red blood cell survival curves as 1,2-...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(88)90019-3
更新日期:1988-02-01 00:00:00
abstract::(1) Tyrosine and tryptophan metabolism in brain and peripheral tissues were studied in hypothermic hibernating and normothermic nonhibernating 13-lined ground squirrels (Spermophilus tridecemlineatus). (2) In the hypothermic hibernating state, there were significant elevations of brain stem tyrosine, norepinephrine, a...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(87)90054-x
更新日期:1987-12-01 00:00:00
abstract::Intracerebral grafting of immature brain tissue is now widely used as a tool to study neuronal development and regeneration in the brain and spinal cord. This has stimulated the interest in methods for storage of such tissue before transplantation. In this study a method for cryopreservation of immature rat central ne...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(87)90014-9
更新日期:1987-04-01 00:00:00
abstract::The effects of rapid cooling of semen (cold shock) from 30 degrees C to various temperatures above 0 degrees C on survival of ram spermatozoa suspended in diluents with or without egg yolk were assessed before and after freezing. Rapid cooling of extended semen from 30 to 15 degrees C had little or no effect on sperma...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(86)90061-1
更新日期:1986-12-01 00:00:00
abstract::All the aqueous solutions of linear saturated polyalcohols with four carbons have been investigated at low temperature. Only ice has been observed in the solutions of 1,3-butanediol and 1,2,3- and 1,2,4-butanetriol. For same solute concentration, the glass-forming tendency on cooling is highest with 2,3-butanediol, wh...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(86)90031-3
更新日期:1986-10-01 00:00:00
abstract::Trypsin activity oscillations are shown by the autocatalytic activation of trypsinogen at 0 degrees C in aqueous solution. The oscillations were observed for 3-4 days and show only slight decrease in enzyme activity. The zymogen has been kept at ice water temperature and pH 8.2 in the presence of Mn2+ ion. The mean pe...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(86)90053-2
更新日期:1986-06-01 00:00:00
abstract::Human monocytes purified from peripheral blood by counterflow centrifugal elutriation were cryopreserved in a vitreous state at 1 atm pressure. The vitrification solution was Hanks' balanced salt solution (HBSS) containing (w/v) 20.5% Me2SO, 15.5% acetamide, 10% propylene glycol, and 6% polyethylene glycol. Fifteen mi...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(86)90001-5
更新日期:1986-04-01 00:00:00
abstract::Twenty-eight-day-old male rats were used in three experiments to study whether cold exposure potentiates pineal actions in nonhibernating mammals. The following questions were considered: (a) Can cold exposure increase the antigonadal effects of light deprivation? (b) Are the effects induced by blindness plus cold exp...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(86)90020-9
更新日期:1986-02-01 00:00:00
abstract::We have shown previously that the survival of human red blood cells during slow freezing at 2% hematocrit is dependent more on the magnitude of the unfrozen fraction than on the salt concentration in that unfrozen fraction. In parallel, first Nei and more recently Pegg and colleagues have shown that survival is affect...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(85)90029-x
更新日期:1985-12-01 00:00:00
abstract::Previous studies into the mechanisms governing the freezing of cells in the absence of extracellular ice have been extended to develop a method for the preservation of viable cells in the undercooled state. Deep undercooling of cells is achieved by suspending fine droplets of the cells in oil to make an emulsion, thus...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(85)90030-6
更新日期:1985-12-01 00:00:00
abstract::Bone spavin, splint, and fractured splint bone injuries have been treated with varying methodologies at Wheatley Hall Farm Equine Clinic. Cryosurgery is the most successful. With cryosurgery the small, pain-producing afferent C fibers are destroyed, and painful neuromas do not return. Injured sites were cryosurgically...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(85)90158-0
更新日期:1985-10-01 00:00:00
abstract::High concentrations of membrane permeable cryoprotectants are necessary to protect human polymorphonuclear leukocytes from osmotic stress injury during freezing, but there are reports that some cryoprotectants are chemically toxic. Cells were exposed to various concentrations of glycerol, dimethyl sulfoxide, or ethyle...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(85)90181-6
更新日期:1985-08-01 00:00:00
abstract::The effect of cryopreservation on human nasal mucosal biopsies was evaluated by determining the frequency and coordination of the ciliary beat. Samples were cryopreserved in a medium containing 80% Gey's balanced salt solution, 10% dimethyl sulfoxide, and 10% fetal calf serum. After thawing, the samples were put in a ...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(85)90164-6
更新日期:1985-04-01 00:00:00
abstract::Human platelets were frozen in 0.5 M glycerol, 0.5 M glycerol + 3% Dextran T40, or 0.5 M glycerol + 5% mannitol. The recovery of active transport of 5-hydroxytryptamine (5-HT) and the hypotonic stress response after freezing were dependent on the rate of cooling: the optimum range of rates was between 12 and 23 degree...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(85)90002-1
更新日期:1985-02-01 00:00:00
abstract::Semen was collected in the laboratory from nine healthy donors. The concentrations and the percentages of live and motile spermatozoa in all semen samples were within the normal range. Each sample was diluted with citrate-egg yolk-glycerol medium with and without 5 mM dithiothreitol (DTT). Samples were frozen in liqui...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(84)90052-x
更新日期:1984-10-01 00:00:00
abstract::The present study was carried out to investigate the influence of cryopreservation on human T-cell subsets defined by their membrane receptors for Fc IgM (TM) and Fc IgG (TG) and by their membrane antigens. For this purpose isolated T cells, obtained by neuraminidase-treated sheep erythrocyte (E-N) rosetting, and enri...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(84)90080-4
更新日期:1984-08-01 00:00:00
abstract::The [K+]/[Na+] ratio of rabbit renal cortical slices was used to examine, at 25 degrees C, the effects on viability of three cryoprotectant agents (CPA) (dimethyl sulfoxide (Me2SO), ethylene glycol, and glycerol) in combination with three vehicle solutions (Krebs-Henseleit (K-H), solution A, and RPS-2). Viability asse...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(84)90323-7
更新日期:1984-06-01 00:00:00
abstract::The effect of cryopreservation on the ability of primary human cancer cells to form colonies in a two-layer agar system was examined. Although considerable variation occurred, concentrations of 5 or 10% dimethylsulfoxide employed with slow freezing rates allowed survival of colonies in the range 20-40% or greater of n...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(84)90215-3
更新日期:1984-04-01 00:00:00
abstract::A cryomicroscope is described which provides the possibility of quantifying the volume loss of cells during freezing, detection of intracellular ice formation during cooling and warming, as well as the determination of viability as function of (constant) cooling rates. The basic mechanisms occurring in cryopreservatio...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(84)90026-9
更新日期:1984-02-01 00:00:00
abstract::Cell volumes, viability, ultrastructure, and metabolism have been studied in mouse L cells at reduced water contents. Dehydration was achieved by addition of sorbitol to the incubation medium at concentrations of 0.15, 0.3, and 0.6 m. In 0.3 m sorbitol, cell volume was reduced to about 35% of the initial control level...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(83)90048-2
更新日期:1983-10-01 00:00:00
abstract::Previous studies have shown that there are differences between hibernators and nonhibernators in the susceptibility to ventricular fibrillation. In an attempt to clarify these differences ventricular fibrillation was induced in isolated hearts of the hibernator, the woodchuck, Marmota monax by cooling, warming, punctu...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(83)90031-7
更新日期:1983-08-01 00:00:00
abstract::The general belief is that slow freezing injury is either the result of exposure to high salt concentrations or the result of excessive cell shrinkage. Increased salt concentration arises as increasing amounts of pure ice precipitate out of solution during freezing and cause the liquid-filled channels in which the cel...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(83)90016-0
更新日期:1983-06-01 00:00:00
abstract::Collagenase-isolated islets, which had been cultured for 1 week, were frozen at two different cooling rates. Islets frozen at 5 degrees C/min behaved from a functional point of view very similarly to that of nonfrozen, cultured control islets, except for a reduced maximal insulin secretory capacity and a reduced insul...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(83)90005-6
更新日期:1983-04-01 00:00:00
abstract::Kidney slices either were exposed to the cryoprotectants for 1 hr at room temperature and subsequently washed and incubated in fresh KR buffer containing only the radioactive metabolic tracers, or were immediately incubated for 2 hr at 37 degrees C in KR buffer containing the cryoprotectant and the tracers. Exposure t...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(83)90059-7
更新日期:1983-02-01 00:00:00
abstract::One thousand cryohemorrhoidectomies were performed in the past 7 years (1973-1979). Ninety percent of the patients were satisfied with the technique; approximately one-third of the patients experienced severe to moderate pain and 11% had recurrences or related problems. The majority of patients with postoperative pain...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(82)90154-7
更新日期:1982-06-01 00:00:00
abstract::Rabbit kidney were perfused at 37degreesC with various concentrations of DMSO in a K+-Mg2+-rich perfusate. The effects of DMSO on various functional parameters of the rabbit kidney perfused for 60 min were compared with the functional effects of perfusion without DMSO under the same conditions. DMSO produced deviation...
journal_title:Cryobiology
pub_type: 杂志文章
doi:10.1016/0011-2240(76)90101-2
更新日期:1976-08-01 00:00:00