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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