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.
Reaction mechanisms of metals with hydrogen sulfide and thiols in
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
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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:
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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].
Journal of Agricultural and Food Chemistry, 2017, 65: 9488-9495.
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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
of Cu and Fe in Chardonnay wine[J]. Food Chemistry, 2017, 229:
限量标准。加标回收率为 90.00%~108.30%,说明 319-328.
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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
effects of copper fining on the wine content in sulfur off-odors and
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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
良好工具。 Chemistry, 2017, 231: 212-221.
[7] KONTOUDAKIS N, SMITH M, GUO A, et al. The impact of wine
components on fractionation of Cu and Fe in model wine systems:
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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
International, 2017, 98: 95-102.
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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
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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
Food Chemistry, 2017, 65: 2564-2571.
%
(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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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
[14] LUTSENKO S. Human copper homeostasis: A network of
40 38.9 91.73 1.80 interconnected pathways[J]. Current Opinion in Chemical Biology,
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for Cu based on rhodamine B derivatives and its application to
drinking water examination and living cells imaging[J]. Sensors &
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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.
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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
Chemistry, 2007, 58: 299-320.
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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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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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于葡萄酒、啤酒中 Cu 的定量检测。 [21] WAGGONER D J, BARTNIKAS T B, GITLIN J D. The role of
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model wine. Part 1: Copper-catalyzed oxidation[J]. Journal of in man and animals[J]. Brain Research Reviews, 2007, 54: 19-33.
Agricultural and Food Chemistry, 2016, 64: 4095-4104. [24] BRADY D C, CROWE M S, TURSKI M L, et al. Copper is required