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6 protocols using diethylaminoethyl deae cellulose

1

Biochemical Assay Reagents and Protocols

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Azocasein, albumin, fibrin, collagen, casein, cysteine, pepstatin A, β-mercaptoethanol (β-ME), ethylenediaminetetraacetic acid (EDTA), p-chloro-mercuribenzoic acid (p-CMB), soybean trypsin inhibitor ([2 ,27 (link)], phenylmethylsulfonyl fluoride (PMSF), iodoacetic acid (IAA), iodoacetamide [28 (link)], 110 phenanthroline, N-ethylmaleimide, ammonium persulphate, petroleum ether, trichloroacetic acid (TCA), diethyl aminoethyl (DEAE)-cellulose and all resins and reagents for electrophoresis were obtained from Sigma Chemical Co. (St Louis, MO).
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2

Extraction and Characterization of Umbilicaria esculenta

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Umbilicaria esculenta were purchased from Huangshan green meetall the organic food development Co., Ltd. (Huangshan, China). The production license number is QS3410 1601 0291. The batch number is 20120907. Diethylaminoethyl (DEAE) cellulose, standard monosaccharides (D-glucose, D-mannose, D-xylose, L-galactose, L-rhamnose, and L-arabinose), T-series dextrans (molecular weight 1.0, 2.0, 15.0, 40.0, 50.0, and 200.0 KDa), trifluoroacetic acid (TFA) and dimethyl sulfoxide (DMSO) were purchased from Sigma–Aldrich Co., Ltd. (St. Louis, MO, USA). 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), lipopolysaccharide (LPS), penicillin-streptomycin solution, and Dulbecco's modified Eagle's medium (DMEM) were purchased from Hyclone Company. Newborn calf serum was purchased from Sijiqing Co., Ltd. (Hangzhou, China). All other reagents of analytical grade and distilled water were used for all reagent solutions.
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3

Biochemical Characterization of Maleimide-Labeled Proteins

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Kanamycin was purchased from Carl Roth (Karlsruhe, Germany). LB agar, LB medium, MagicMedia E. coli expression medium, Novex 4–12% Bis-Tris gradient gels, Coomassie SimplyBlue SafeStain, fetal bovine serum, phosphate buffered saline (PBS), penicillin and streptomycin were obtained from Life Technologies (Darmstadt, Germany). BugBuster protein extraction reagent, Benzonase endonuclease and MMP-2 enzyme were purchased from Merck Millipore (Darmstadt, Germany), and Proteinase Halt protease inhibitor cocktail, maleimide-fluorescein, and bicinchoninic acid (BCA) protein assay were obtained from Thermo Fisher Scientific (Schwerte, Germany). BioGel P6 was bought from Bio-Rad Laboratories GmbH (Munich, Germany). Diethylaminoethyl (DEAE) cellulose, Octyl-Sepharose 4 Fast Flow and camptothecin were bought from Sigma-Aldrich (Steinheim, Germany). Maleimide-6S-IDCC was purchased from Mivenion GmbH (Berlin, Germany). Dithiothreitol (DTT), 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES), ethylene diamine tetraacetic acid (EDTA), trifluoroacetic acid (TFA), sodium carbonate, sodium thiosulfate, silver nitrate and all other chemicals were purchased from Sigma-Aldrich (Steinheim, Germany).
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4

Xylan Purification and Characterization

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Beechwood xylan was purchased from Sigma Chemical Co., St. Louis, MO, USA. Sephadex G–100 gel filtration media was obtained from GE Healthcare in Uppsala, Sweden. Diethylaminoethyl (DEAE–cellulose) was purchased from Sigma-Aldrich. in St. Louis, MO, USA. AmershamTM ECLTM gel 4–20% Kit was purchased from Merck, Darmstadt, Germany (Silica Gel 60 F254). Xylose and xylooligosaccharide were purchased from Sigma Chemical (Wako Pure Chemical Industries. Ltd, USA.). All other chemicals were of analytical grade.
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5

Adsorption of Heavy Metals

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Diethylaminoethyl (DEAE) cellulose, lanthanum chloride, and ethanol were purchased from Sigma-Aldrich (Milwaukee, WI, USA). Stock standard solutions of 1,000 mgL-1 Cd(II), Co(II), Cu(II),Cr(III), Cr(VI), Fe(III), Ni(II), and Zn(II) were obtained from Sigma-Aldrich (Milwaukee, WI, USA). All utilized reagents were of high purity and of analytical reagent grade, whereas double-distilled deionized water was used throughout the experiments.
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6

Gadolinium-based Contrast Agent Synthesis

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Diethylaminoethyl (DEAE)-cellulose, diethylenetriamine pentaacetate (DTPA), gadolinium trichloride hexahydrate, trifluoroacetic acid (TFA 1%), DTPA anhydride, (PBS) Phosphate Buffer Saline buffer, sodium hydroxide, gadolinium chloride hexahydrate in 2 ml of sodium acetate buffer (pH 5.5), and 1% sodium chloride were purchased from Sigma Aldrich. The grade of all of the reagents was pro analysis.
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