نتایج جستجو برای: growth kinetics
تعداد نتایج: 905601 فیلتر نتایج به سال:
To assess the feasibility of achieving dual objectives domestic wastewater treatment and biomass accumulation, growth kinetic models were used to analyze pattern Chlorella in wastewater. The logistic model simulated trend better than other two models. However, currently developed still cannot fully predict Chlorella. Factors such as nutrient removal aging death algae need be taken into account ...
Introduction & Objective: Microorganisms form biomass as biofilm in response to many factors, in order to adapt to hostile extracellular environments and biocides. Using different herbal compounds are of those strategies to deal with biofilm. It has been proved that plants extracts such as pomegranate, raspberry and chamomile essential oils have anti-biofilm effects. This study aimed to evalu...
Response surface models were developed for effects of temperature (15 to 40 degrees C), pH (5.2 to 7.4), and previous growth pH (5.7 to 8.6) on lag time (lambda) and specific growth rate (mu) of Salmonella Typhimurium in brain heart infusion broth (BHIB). Seventy-five growth curves for model development and 30 growth curves for model validation were fit to a two-phase linear growth model to obt...
Understanding the population growth behavior of filamentary nanostructures, such as carbon nanotubes (CNTs), is hampered by the lack of characterization techniques capable of probing statistical variations with high spatial resolution. We present a comprehensive methodology for studying the population growth dynamics of vertically aligned CNT forests, utilizing high-resolution spatial mapping o...
Simultaneous SAXS/WAXS studies elucidate passive surface film growth during formation of nanoporous gold by electrolytic dealloying in HClO 4 , but not HNO 3 . This hampers kinetics and slows ligament growth/coarsening.
background: study in design to incorporate accelerated proliferation correction factors into linearquadratic and multiple-component models. materials and methods: accelerated proliferation rate correction factor has been incorporated into the linearquadratic and the multiple component models by applying accelerated exponential cell growth to explain the tumor cell kinetics and estimates proper ...
Predictive microbial models generally rely on the growth of bacteria in laboratory broth to approximate the microbial growth kinetics expected to take place in actual foods under identical environmental conditions. Sigmoidal functions such as the Gompertz or logistics equation accurately model the typical microbial growth curve from the lag to the stationary phase and provide the mathematical b...
There is an emerging paradigm that growth factor signalling continues in the endosome and that cell response to a growth factor is defined by the integration of cell surface and endosomal events. As activated receptors in the endosome are exposed to a different set of binding partners, they probably elicit differential signals compared with when they are at the cell surface. As such, complete a...
In the growth of nanoscale device structures, the ultimate goal is atomic-level precision. By growing III-V nanowires in a transmission electron microscope, we measured the local kinetics in situ as each atomic plane was added at the catalyst-nanowire growth interface by the vapor-liquid-solid process. During growth of gallium phosphide nanowires at typical V/III ratios, we found surprising flu...
In this study, after investigation of cytotoxic effects of Navelbine on tumour derived cells, the most efficient drug or drug combinations were explored using Navelbine+Tamoxifen, Navelbine+Epirubicin and Navelbine+Carboplatin. FM3A cells derived from C3H mouse mammary carcinoma were used in this investigation. Growth rate, mitotic index, labelling index and as being cell kinetics parameters we...
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