نتایج جستجو برای: 23o to 25oc
تعداد نتایج: 10613985 فیلتر نتایج به سال:
What is Nasonia? A small (2–3 mm) parasitoid wasp that oviposits in the pupae of flies (but not those of Drosophila!). This hymenopteran occurs naturally in bird nests and at carcasses. Three species are known: the cosmopolitan N. vitripennis and two endemic North American species, N. giraulti and N. longicornis. Nasonia is extremely easy to culture on commercially available host pupae, it has ...
Generally, the medicinal plants have antifungal substances that can be used for the plant protection against phytopathogens. The objective of this study was to know the efficiency of aqueous extracts from medicinal plants against the major etiological agents of coffee tree. The aqueous extracts used were extracted from bulbs of Allium sativum, leaves of Vernonia polysphaera, Cymbopogon citratus...
We present the thermodiffusion, molecular diffusion and Soret coefficients of several binary and ternary mixtures of DCMIX project. All measurements were carried out at 25oC and two experimental techniques have been used such as the thermogravitational column technique (TGC) and the Sliding symmetric Tubes technique (SST). In addition the thermophysical properties of analysed mixtures have been...
Cryopreservation is the method of choice for long term storage of human PBMCs. This study was designed to compare the different combinations of variables affecting the cryopreservation of PBMCs samples. The viability of PBMCs separated from 2×5 ml peripheral blood samples obtained from 16 healthy adult volunteers, were measured using trypan blue dye exclusion method just before freezing with ...
To study the role of calcium in cold acclimation, we examined the relationship between calcium influx and accumulation of transcripts of two cas (cold acclimation-specific) genes of alfalfa, cas75 and cas78. Whereas a decline in temperature from 25 to 15OC had little effect on the influx of extracellúlar 45Ca2+, an increasing influx was observed when the temperature was lowered further. The inf...
We present the effect of thermal treatments on the transduction behaviors of HCl-doped polyaniline (PANI) nanofibers integrated in conductometric devices upon exposure to 1% H2 (carried by N2). After drying in N2 at 25oC for 12 hours, devices showed a ~10% decrease in electrical resistance upon exposure to 1% H2. However, devices subject to 12-hour drying in N2 at 25oC followed by further therm...
Recent recurrence of Salmonella contamination of peanut butter has become a serious food safety concern for consumers. A study was conducted to identify storage periods and temperature conditions of peanut butter in domestic kitchens and to determine the effects of those storage periods and conditions on survival of Salmonella and Escherichia coli O157:h7. Surveys assessed consumer storage peri...
cryopreservation is the method of choice for long term storage of human pbmcs. this study was designed to compare the different combinations of variables affecting the cryopreservation of pbmcs samples. the viability of pbmcs separated from 2×5 ml peripheral blood samples obtained from 16 healthy adult volunteers, were measured using trypan blue dye exclusion method just before freezing with di...
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