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panyulian0金虫 (小有名气)
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[交流]
应急应急应急！！！！！！！！！求翻译！
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A sol–gel imprinted with N-[N-[(1S)-1-carboxy-3- phenylpropyl]-l-lysyl]-l-proline, lisinopril dihydrate, was successfully synthesised which illustrated enhanced selectivity by the MIP over a NIP. Specificity of the MIP for the template over two of its listed related substances was also achieved. It was noted that the quantity of lisinopril reloaded onto the polymeric material was important in observing selectivity for the template. Optimisation of loading illustrated the binding capacity of the polymer. When the polymer was saturated with template, selectivity was lost. A key factor in optimising selectivity was found to be the solvent in which the template was dissolved for rebinding. The loading solvent, which gave best selectivity for lisinopril, was the porogen used in the synthesis of the original polymeric material. It was noted that a certain degree of cross-linker must be present in order for the polymer to form and for optimum template selectivity but at higher concentrations selectivity was lost. For the functional monomers it was noted that the – interacting monomer (PTMOS) was required in small quantities to produce a selective medium. The smallest change in the concentration of hydrogen bonding species (APTES) greatly affected selectivity of the polymer. Above and below the optimum ratio of 1.5, selectivity was lost and almost complete retention of the template by both NIP and MIP was observed. Reproducible responses were noted for both NIP and MIP materials for the template over an 8-month-time-period. Further optimisation of this polymeric system is envisaged in order to reduce the observed non-specific binding of template by the NIP. |
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lienshuai0
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5楼2010-11-01 18:50:09
lienshuai0
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holypapa
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4楼2010-11-01 14:48:02
foryever
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6楼2010-11-04 17:24:58