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Precipitant Protein Batch Leave for 5- 24 hr. Centrifuge Cold Room 7- 8 o C Cross Link 2-4 days at room temperature Mix Resuspend with Cold Cross linking Solution Resuspend Resuspend Centrifuge 3X Purification Centr width length 2 m http://www.hysitron.com/Products/products.htm

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Cold Room 7- 8 o C. Centrifuge. Cross-Link. Resuspend with Cold Cross linking Solution. width. Leave for 5-24 hr. Mix. length. Batch. Precipitant. Protein. 2 m m. 2-4 days at room temperature. 3X. Resuspend. Centrifuge. Centrifuge. Resuspend. Purification. - PowerPoint PPT Presentation

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  • http://www.hysitron.com/Products/products.htm

  • A)B)

  • Johnson, J. E, et. al., J. of Ultastructure Research 1981, 74, 223-231.White, J. M.; Johnson, J. E., Virology 1980, 101, 319-324.A) Body Centered Cubic CPMV(100)B) Hexagonal CPMV (0001)2-8 nm - ununiform pores30 nm30 nm60 nm

  • Varying temperatureVarying NaClA)B)

  • Varying temperatureVarying NaClVarying pH

  • MorphologyX-ray DiffractionA)

  • pH = 6.0pH = 5.5pH = 5.0LiteratureWang, Q., ,et. al., Angewandte Chemie-International Edition, 2002. 41(3): p. 459-462.A)B)C)D)

  • Summary of the nanomechanical tests results for cross-linked lysozyme crystalsB) Multiple load-displacement plots of cystals cross-linked in 10% glutarladehyde for 24 hours A) The hardness of protein crystal as a function of cross-linking degree by Hysitron triboindenter.

  • Pd distribution by SEMCross-linked protein crystalsSoaked protein crystals with K2PdCl4A)B)C)D)E)

  • S2p in methionine 162.59 eVS2p in cysteine disulfides 166.88 eVPd3d in K2PdCl4 338.2 eVPd bound to sulfur containing amino acidsA)B)C)D)

  • B) Cd(II) adsorption isotherm on two sized HEWL crystals 6 m crystals500 m crystalsA) Cd(II) adsorption comparison with ICP-AES

    Chart1

    0144.6

    838.998546169400.6

    2095.2104644269842.2

    3444.1174111969

    3 m crystal

    500 m crystal

    Cd (ug/L)

    q(ug/kg)

    Sheet1

    Cd addedCd in Solution (ug/L)Cd added (ug/g protein)

    000

    21.2770.4

    52.9971

    105.7892

    Cd addedCd measuredCd added(ug/g protein)

    (ppb)(ppb)

    Blank #10.023

    Blank #20.01

    Blank #30

    2 ppb1.2770.4

    5 ppb2.9971

    10 ppb5.7892

    Sheet1

    0

    0

    0

    0

    Cd added (ppb)

    Cd in solution (ppb)

    Cadmium adsorption on nano protein

    Sheet2

    0

    0

    0

    0

    Cd Conc added (ug/g protein)

    Cd Conc. in solution

    Cd adsorption on nano protein

    Sheet3

    Protein , 3nm

    Cd added (ug/L)Cd in Solution (ug/L)Cd in Protein(ug/kg)Cd in Solution (ug/L)Cd added (ug/g protein)

    21.277144.600

    52.997400.61.2770.4

    105.789842.22.9971

    5.7892

    Sheet3

    0

    0

    0

    Cd Conc. in solution (ug/L)

    Cd Conc. on protein (ug/kg)

    Cd adsorption on nano protein

    Protein 3um

    Stock Cd (ppb)1000

    Wt. Bottle(g)Wt. Protein (g)Total Vol (g)Cdadded Vol(ml)Initial Cd ICP-MS(ug/L)ICP-MS(ug/L)q(ug/Kg)Cd added(ug/L)Cd in solution(ug/L)q (ug/kg)

    No Cd10.2970.047920.137600-0.0050

    110.17290.050920.03050.27.7575.625838.9985461692 ppb1.277144.6

    210.17950.050620.25170.519.90514.672095.21046442695 ppb2.997400.6

    310.2020.051820.0163138.28429.3713444.117411196910 ppb5.789842.2

    00

    00

    00

    0

    Protein 3um

    large protein

    Cd (ug/L)

    q(ug/kg)

    q(ug/Kg) vs Conc for adsorptiion of Cadmium to protein at 8 pH

  • Conversion (%)Yield (%)No Pd6819K2PdCl48339PdCl2(PhCN)28449Native CLPC95483.8%Pd/CLPC95716.5%Pd/CLPC95767.5%Pd/CLPC95708.5%Pd/CLPC9368Silica/Pd7220