نتایج جستجو برای: cbh model
تعداد نتایج: 2104467 فیلتر نتایج به سال:
Understanding the enzymatic hydrolysis of cellulose and the influence of lignin in the process are critical for viable production of fuels and chemicals from lignocellulosic biomass. The interactions of monocomponent cellulases with cellulose and lignin substrates were investigated by using thin films supported on quartz crystal microgravimetry (QCM) resonators. Trichoderma reesei exoglucanase ...
1,4-beta-D-glucan cellobiohydrolase I (CBH I), p-nitrophenyl beta-D-cellobioside, p-nitrophenol and cellobiose show distinct ultraviolet spectra, allowing the design of an assay to track the dynamic process of p-nitrophenyl beta-D-cellobioside hydrolysis by CBH I. Based on the linear relationship between p-nitrophenol formation in the hydrolysate and its first derivative absorption curve of AUC...
Crude cellulases, cellobiohydrolase I and endoglucanase I from Trichoderma reesei, were used for preliminary analysis of the potential of cellulases for oligosaccharide synthesis. The reaction products were analysed by ionic chromatography. Synthesis activity could be detected in concentrated aqueous solutions of glucose, cellobiose, maltose and raffinose. CBH I and EG I showed similar activity...
The cooperative breeding hypothesis (CBH) states that cooperative breeding, a social system in which group members help to rear offspring that are not their own, has important socio-cognitive consequences. Thornton & McAuliffe (2015; henceforth T&M) critiqued this idea on both conceptual and empirical grounds, arguing that there is no reason to predict that cooperative breeding should favour th...
Abstract. Cloud base height (CBH) is an important parameter for many applications such as aviation, climatology or solar irradiance nowcasting (forecasting the next seconds to hours ahead). The latter application of increasing importance operation distribution grids and photovoltaic power plants, energy storage systems flexible consumers. To nowcast irradiance, based on all-sky imagers (ASIs), ...
The potential of the cocoa bean husk (CBH) as a natural source bioactive compounds is ever-increasing. In this work, its and antioxidant activity were analyzed using near infrared spectroscopy in samples CBH. Beans harvested fermented Mexican gene bank. Reference data on total sugars, phenols, phenolic compounds, theobromine, correlated with intact spectra. Modified Partial Least Square regress...
Previous studies have demonstrated that chronic brain hypoperfusion (CBH) causes Aβ aggregation by upregulating expression of amyloid precursor protein (APP) and β-site APP cleaving enzyme 1 (BACE1) protein, which is accompanied by cognitive impairment, but the mechanisms are not fully understood. In this study, we evaluated the effect of microRNA on memory impairment in rats induced by CBH. We...
BACKGROUND Non-ionic surfactants such as polyethylene glycol (PEG) can increase the glucose yield obtained from enzymatic saccharification of lignocellulosic substrates. Various explanations behind this effect include the ability of PEG to increase the stability of the cellulases, decrease non-productive cellulase adsorption to the substrate, and increase the desorption of enzymes from the subs...
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