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The pH stability of lectin from black turtle bean was characterized by a variety of biophysical techniques over the pH range from 2.0 to 10.0. The zero-order and second-derivative UV spectra at different pH values indicated that the tertiary structure of the protein does not change significantly with changes in pH. The maxima emission fluorescence of the(More)
For the issues of large space and storage security of multimedia files, we analyzed the impact of access control and cloud storage on multimedia file, and proposed a mixed security cloud storage framework based on Internet of Things. This paper introduced the concept of multimedia protection into the method based on role access control. Moreover, we also(More)
The water-soluble polysaccharides from bamboo shoots (Phyllostachys praecox) (WBP) were isolated, and the characterizations as well as prebiotic activities were investigated. The yield of WBP was 7.58±0.31% under optimal hot-water extraction conditions. Two fractions, i.e., WBP-1 and WBP-2 with molecular weight of 83.50kDa and 80.08kDa, respectively, were(More)
This paper presents a movie recommendation system according to scores that the users provide. In view of the movie evaluation system, the impacts of access control and multimedia security are analyzed, and a secure hybrid cloud storage architecture is presented. Mobile-Edge Computing (MEC) technology is used in the public cloud which guarantees the high(More)
Lectin from black turtle bean (Phaseolus vulgaris) was extracted and purified by reverse micellar extraction (RME) method. Response surface methodology (RSM) was used to optimise the processing parameters for both forward and backward extraction. Hemagglutinating activity analysis, SDS-PAGE, RP-HPLC and FTIR techniques were used to characterise the lectin.(More)
In this study, the in vitro digestibility of lectin from black turtle bean was investigated in simulated gastric fluid (SGF) and tryptic digestion, using kinetic densitometric analysis for SDS-PAGE and spectroscopic measurements. It was found that the native lectin was relatively stable in both SGF (half-life=22.71 min) and tryptic digestion (half-life ⩾90(More)
Transglutaminase (TGase), EC 2.3.2.13, was purified from whole Antarctic krill (Euphausia superba) using ammonium sulfate fractionation and DEAE-Sephacel chromatography. The purified enzyme had specific activity, purification fold and yield of 53.518U/mg, 10.272 and 10.992%, respectively. The molecular weight of the purified Antarctic krill TGase was(More)
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