EXTRACTION OF ANTHOCYANNIN FROM MUMBERY FRUITS: PROCESS OPTIMIZATION USING RESPONSE SURFACE METHODOLOGY (RSM)

Comparison of Methods for the Extraction of Bioflocculants from Activated Sludge

Comparison of Methods for the Extraction of Bioflocculants from Activated Sludge
... an effort to develop an effective extraction method for bioflocculants from the microbial cell surface Materials and Methods Activated sludge samples Activated sludge samples were collected from ... was the most effective extraction method for activated sludge However, cell disruption is not effective for the isolation of bioflocculants Thus, NaOH extraction was the most effective method for ... polymer extraction methods (steaming extraction, NaOH extraction, SDS extraction, and washing extraction) were compared to develop an effective extraction method for bioflocculants from activated sludge...
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Extraction of anthocyanins from industrial purple fleshed sweetpotatoes and

Extraction of anthocyanins from industrial purple fleshed sweetpotatoes and
... anthocyanin and phenolic concentrations during anthocyanin extraction from purple- fleshed ISPs In addition, the effect of initial extraction conditions on the production of fermentable sugars from purple- fleshed ... Samples 3.1 Extraction of anthocyanins and subsequent hydrolysis of ISP residues The analysis of variance (ANOVA) for the main and interaction effects of solvent type, extraction temperature and solid ... (Delgado-Vargas and Paredes-Lopez, 2003; Kong et al., 2003) Research on extracting anthocyanins from fruits and vegetables including purple- fleshed sweetpotato powder, purple corn, red and black currants, and...
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High efficient column chromatographic extraction of curcumin from curcuma longa

High efficient column chromatographic extraction of curcumin from curcuma longa
... different columns from low to high contents of curcumin The cyclic chromatographic extraction reduced extensively the volumes of the solvent and the final extraction solution with high extraction ... Natural Science Fund (10151063101000002) References Fig Column- chromatographic extraction of curcumin from turmeric A: Extraction of curcumin from turmeric through the CCE method with 80% ethanol, ... spectrum are bisdemethoxycurcumin, demethoxycurcumin and curcumin, respectively B: Extraction of curcumin from turmeric with different concentrations of ethanol C: Absorbance of the solvent by turmeric...
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Báo cáo nghiên cứu khoa học: "MICROWAVE-ASSISTED EXTRACTION OF POLYPHENOLS FROM FRESH TEA SHOOT" pps

Báo cáo nghiên cứu khoa học:
... green tea (humility usually from to %) 3.1.3.Effect of radiation time on the extraction of polyphenols Polyphenols concentration in the extracts was rapidly increased in the first minutes of extraction ... Microwave-assisted extraction of tea polyphenols and tea caffeine from green tea leaves, Chemical engineering and processing 42, 129 – 133, 2003 [9] Carmen W Huie, A review of modern sample-preparation ... yield of MAE method 3.1.5 Comparison of the results of extraction with MAE and other methods Other extraction procedures (conventional heating reflux extraction method, ultrasoundassisted extraction...
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Chlorine free extraction of cellulose from rice husk and whisker isolation

Chlorine free extraction of cellulose from rice husk and whisker isolation
... silicon carbide whiskers from RH (Sujiroti & Leangsuwan, 2003) and of cellulose whiskers from rice straws (Orts et al., 2005) So, the fractionation of lignocellulosic materials of rice husks into ... 2009) and coconut husks (Rosa et al., 2010) As far as we know, the isolation of cellulose whiskers from rice husk sources has not been yet described in the literature but only the isolation of silicon ... exciting way to increase the understanding of rice husk cellulose thermal properties The effects of temperature on amorphous and crystalline regions of rice husk cellulose were studied by MDSC S.M.L...
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Membrane protected micro solid phase extraction of pharmaceuticals from environmental water samples

Membrane protected micro solid phase extraction of pharmaceuticals from environmental water samples
... Liquid-liquid extraction LOD Limit of detection LOQ Limit of quantification muSPE Micro solid phase extraction using mixed matrix membrane μ-SPE Membrane bag micro solid phase extraction MPME Membrane protected ... Membrane- assisted micro- solid phase extraction (μ-SPE) is a recently introduced sample preparation technique that integrates microextraction paradigms and membrane microfiltration with solid phase extraction ... METHODS OF PREPARING ENVIRONMENTAL WATER SAMPLES FOR PAI ANALYSIS Solid phase extraction (SPE) using Oasis HLB® sorbents remains the conventional strategy of preparing environmental water samples...
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Extraction of text from images and videos

Extraction of text from images and videos
... challenges of scene text and video text are listed in Table 2.1 While the majority of the challenges are common to both scene text and video text, some of them are applicable to only one type of text ... text extraction in images and videos We formally define the problem and the scope of study in the next section 1.1 Problem Description and Scope of Study Given an image or a video, the goal of text ... addresses the problem of text extraction in natural scene images and in videos, which typically consists of text localization, tracking, enhancement, binarization and recognition Text localization,...
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OPTIMIZING CONDITIONS FOR EXTRACTION OF POLYSACCHARIDE FROM LINGZHI (ganoderma lucidum)

OPTIMIZING CONDITIONS FOR EXTRACTION OF POLYSACCHARIDE FROM LINGZHI (ganoderma lucidum)
... Therefore, the extraction of polysaccharides from Lingzhi has attracted the great attention of many scientists (Sood et al., 2013) At the present, the extraction of polysaccharide from Lingzhi with ... enhanced the polysaccharide extraction yield 1.2 Objectives This thesis was carried out with the aim of exploring the methods for pretreatment of Lingzhi powder and optimizing conditions for polysaccharide ... 65ºC and pH 2.2.2 Studying polysaccharides optimum extraction conditions from the of pretreated Lingzhi powder Aim: Determining the optimum conditions for polysaccharide extraction such as: temperature,...
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Extraction of features from fundus images for glaucoma assessment

Extraction of features from fundus images for glaucoma assessment
... disease Currently, there are three methods for detecting glaucoma: assessment of abnormal visual field, assessment of intraocular pressure (IOP) and assessment of optic nerve damage Visual field testing ... An example of color fundus image 2.1 Histogram of a bimodal image 2.2 Gradient vector flow [22] Left: deformation of snake with GVF forces Middle: GVF external forces Right: ... various ocular diseases, including glaucoma In this work, we will present a system to diagnose glaucoma from fundus images Figure 1.1: An example of color fundus image Chapter Introduction 1.2...
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Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon
... removal of arsenic from synthetic groundwater using sequential combination of LA and AC-Fe as adsorbents The effect of LA/AC-Fe ratio, flow rate, initial arsenic concentration and pH to the breakthrough ... (70%AsIII&30%AsV) CONCLUSION The removal of arsenic from synthetic groundwater by adsorption using LA and AC-Fe was investigated in this study Langmuir, Langmuir-Freundlich isotherms and pseudosecond order ... AC, LA, and AC-Fe and Figure illustrates the comparison of LA-AC and LA-AC-Fe These figures indicated that the combination of LA and AC-Fe is the most feasible - 50 - Journal of Water and Environment...
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Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon
... adsorbent - iron-modified rice husk carbon (RH-Fe)which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] ... very few studies on iron-modified rice husk carbon as adsorbent for the removal of arsenic from drinking water, although there are many research papers on arsenic removal using iron-based adsorbent ... adsorbents are used Studies on the removal of arsenic from groundwater using rice husk (an agricultural waste which is a byproduct in rice milling) have been carried out by some researchers Amin et...
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báo cáo hóa học:" Recombinant bromelain production in Escherichia coli: Process optimization in shake flask culture by Response Surface Methodology" pptx

báo cáo hóa học:
... Recombinant bromelain production in Escherichia coli: Process optimization in shake flask culture by Response Surface Methodology Bala Muntaria,b , Azura ... be inferred from Fig that the concentration of the inducer had a strong effect on the specific activity of recombinant bromelain An increase in recombinant bromelain production was seen by increasing ... conditions for better production of recombinant bromelain in shake flask culture Keywords - bromelain; Escherichia coli BL21-AI; face centered central composite design; induction Introduction The...
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báo cáo hóa học:" Recombinant bromelain production in Escherichia coli: Process optimization in shake flask culture by Response Surface Methodology" doc

báo cáo hóa học:
... Recombinant bromelain production in Escherichia coli: Process optimization in shake flask culture by Response Surface Methodology Bala Muntaria,b , Azura ... be inferred from Fig that the concentration of the inducer had a strong effect on the specific activity of recombinant bromelain An increase in recombinant bromelain production was seen by increasing ... conditions for better production of recombinant bromelain in shake flask culture Keywords - bromelain; Escherichia coli BL21-AI; face centered central composite design; induction Introduction The...
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Báo cáo y học: " Expression of Nef from unintegrated HIV-1 DNA downregulates cell surface CXCR4 and CCR5 on T-lymphocytes" docx

Báo cáo y học:
... cytometry for cell surface expression of CD4, CXCR4 and CCR5 (Figure 2) Potent downregulation of CD4 by Nef was shown to occur, with cell surface levels being only ≈5% of those seen with Δ -nef ... Integration competent virus downregulates cell surface CXCR4, CCR5 and CD4 expression in the presence of inhibitory concentrations of raltegravir Figure Nef mediated downregulation of CXCR4, CCR5 and ... derived from unintegrated DNA can also downregulate cell surface CXCR4 and CCR5 Results Nef is expressed from unintegrated DNA We first sought to confirm that we could identify the expression of Nef...
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Design optimization of permanent magnet synchronous motors using response surface analysis and genetic algorithm

Design optimization of permanent magnet synchronous motors using response surface analysis and genetic algorithm
... The development of Permanent Magnet Machines 1.1.2 Features of permanent magnet motors Permanent magnet synchronous motors iii 1.2.1 Structures and operating principles ... with the analysis and design of buried type Interior Permanent Magnet Synchronous Motors (IPMSM) The objective is to develop a design optimization procedure for this type of motors that is more ... List of Figures 1.1 Magnetic characteristics of the main class of permanent magnets [2] 1.2 Evolution of the magnetic material during the 20th century [2] 1.3 Partial demagnetization of a permanent...
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