Page 59 - 《精细化工》2020年第9期
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第 9 期                        武小明,等:  一种检测铜离子的荧光探针及其应用                                   ·1773·


            2.6   应用研究                                         [2]   KREITMAN  G Y, DANILEWICZ J C, JEFFERY D  W,  et al.
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                 为了验证 P1 的实用性,对葡萄酒和啤酒样品中                           model wine. Part 2: Iron-and copper-catalyzed oxidation[J]. Journal
               2+
            Cu 的浓度进行了检测。将 3 种不同品牌的葡萄酒                              of Agricultural and Food Chemistry, 2016, 64: 4105-4113.
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            样品和 3 种不同品牌的啤酒样品(20  μL)添加到                            Oxygen and SO 2 consumption rates in white and rosé wines:
                                                 2+
            P1(10 μmol/L)体系中,测定样品中 Cu 的浓度。                         Relationship with  and effects  on wine chemical composition[J].
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                                    2+
            然后,添加不同浓度的 Cu (20、40 μmol/L)溶液                     [4]   BEKKER M Z, WILKES E N, SMITH P A. Evaluation of putative
            进行加标回收实验,结果如表 1 所示。在 6 种酒样                             precursors  of  key ‘reductive’ compounds in wines  post-bottling[J].
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            中检测出不同质量浓度 Cu ,分别为 0.56、0.47、                      [5]   KONTOUDAKIS N, GUO A, SCOLLARY G R, et al. The impact
            0.40、0.12、0.14 和 0.12 mg/L,均未超过 1 mg/L 的               of aging wine in high and low oxygen conditions on the fractionation
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            限量标准。加标回收率为 90.00%~108.30%,说明                          319-328.
                                     2+
            P1 对葡萄酒和啤酒中的 Cu 有良好的检测能力。结                         [6]   VELA E, HERNÁNDEZ-ORTE P, FRANCO-LUESMA E, et al. The
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            果表明,P1 是一种测定葡萄酒和啤酒中 Cu 浓度的                             on their evolution during accelerated anoxic storage[J]. Food
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                   表 1   葡萄酒和啤酒中 Cu 浓度的测定                          Macromolecules, phenolic and sulfur compounds[J]. Food Research
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                                     2+
            Table 1    Determination of Cu  concentrations in wines   [8]   KREITMAN G Y, DANILEWICZ J C, JEFFERY D W, et al. Copper
                    and beers                                      (Ⅱ)-mediated hydrogen sulfide and thiol oxidation to disulfides and
                                    2+
                   2+
                           2+
                 Cu 计算    Cu 添加   Cu 测试            相对标准            organic polysulfanes and their reductive cleavage in wine: Mechanistic
                  浓度/      浓度/     浓度/     回收率/     偏差/%           elucidation and potential applications[J]. Journal of Agricultural and
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                 (μmol/L)   (μmol/L)   (μmol/L)     (n=3)      [9]   KREITMAN G Y, ELIAS  R J, JEFFERY D  W,  et al. Loss and
              A   8.8±0.1   20      29.0   101.0     0.69          formation of malodorous volatile sulfhydryl compounds during wine
                                                                   storage[J]. Critical Reviews in Food Science and  Nutrition,
                            40      45.3    91.25    1.10
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              B   7.4±0.5   20      28.5   105.5     1.40      [10]  BEKKER M Z, SMITH M E, SMITH P A,  et al. Formation of
                            40      50.7   108.3     0.59          hydrogen sulfide in wine: Interactions between copper and sulfur
                                                                   dioxide[J]. Molecules, 2016,21(9): 1214.
              C   6.3±0.3   20      27.9   108.0     1.79      [11]  BANCI L, BERTINI I, CIOFI-BAFFONI S, et al. Affinity gradients
                            40      47.0   101.8     0.85          drive copper to cellular destinations[J]. Nature, 2010, 465: 645-648.
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              D   1.8±0.4   20      23.1   106.5     0.43
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              E   2.2±0.4   20      21.6    97.00    0.93
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                                             2+
                 本研究合成了一种用于检测 Cu 的 P1。在 P1                         disease gene is a putative copper transporting P-type ATPase similar
                                                                   to the Menkes gene[J]. Nature Genetics, 1993, 5: 327-337.
                              2+
            测试体系中加入 Cu ,P1 的溶液颜色由无色变为淡                         [18]  MILLHAUSER G L.  Copper and  the prion  protein: Methods,
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            黄色,可以达到裸眼识别 Cu 的效果。并探讨了 P1                             structures, function, and disease[J].  Annual Review of Physical
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                                            2+
            的识别机理。此外,荧光探针对 Cu 的线性范围是                           [19]  HUNG Y H, BUSH A I, CHERNY  R A. Copper in  the brain and
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                   2+
            检测 Cu 的一种定量检测工具。此外,P1 被成功用                             pathogenesis of  Alzheimer's disease[J]. Biochemistry, 2012, 51:
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                                2+
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