CN107314979A - 一种基于罗丹明6g的铜离子传感器、制备及应用 - Google Patents

一种基于罗丹明6g的铜离子传感器、制备及应用 Download PDF

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CN107314979A
CN107314979A CN201610892101.3A CN201610892101A CN107314979A CN 107314979 A CN107314979 A CN 107314979A CN 201610892101 A CN201610892101 A CN 201610892101A CN 107314979 A CN107314979 A CN 107314979A
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rhodamine
copper ion
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李慧军
徐周庆
王元
徐杲远
徐君
吴伟娜
贾磊
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Abstract

本发明属于化学技术领域且公开了一种基于罗丹明6G的铜离子传感器、制备及应用,所述铜离子传感器的制备方法为:(1)将0.12g3,5‑二甲基‑2‑甲酰基吡咯溶于10mL乙醇中;(2)将步骤(1)中已加入0.12g 3,5‑二甲基‑2‑甲酰基吡咯的乙醇中再加入0.43g罗丹明6G酰肼,回流12h;(3)冷却至室温后析出大量固体,减压过滤,乙醇洗涤得到白色固体即为R1,产率79%。本发明采用紫外可见分光光度计以及荧光分光光度计测定水相中罗丹明类探针的特征峰的强度变化,进而确定铜离子的存在,本发明采用的原料易得,合成步骤简单,后处理亦很方便,较易实现大规模生产,在检测环境中的铜离子方面有很大的应用前景。

Description

一种基于罗丹明6G的铜离子传感器、制备及应用
技术领域
本发明具体涉及一种基于罗丹明6G的铜离子传感器、制备及应用,属于化学技术领域。
背景技术
现有的铜离子传感器在制作的过程中原料不容易得到,且合成步骤比较复杂,且后处理也不方便,不适合大规模生产。
发明内容
本发明要解决的技术问题克服现有的缺陷,提供一种基于罗丹明6G的铜离子传感器、制备及应用,采用紫外-可见分光光度计以及荧光分光光度计测定水相中罗丹明类探针的特征峰的强度变化,进而确定铜离子的存在,本发明以罗丹明6G(Rhodanmine6G)为前体合成目标产物罗丹明6G酰肼缩3,5-二甲基-2-甲酰基吡咯(R1),本发明提供了目标产物在重金属离子检测中的应用,发现其对铜离子有很好的检测效果,本发明采用的原料易得,合成步骤简单,后处理亦很方便,较易实现大规模生产,在检测环境中的铜离子方面有很大的应用前景,可以有效解决背景技术中的问题。
为了解决上述技术问题,本发明提供了如下的技术方案:
本发明提供一种基于罗丹明6G的铜离子传感器、制备及应用,所述铜离子传感器的制备方法为:(1)将0.12g 3,5-二甲基-2-甲酰基吡咯溶于10mL乙醇中;(2)将步骤(1)中已加入0.12g 3,5-二甲基-2-甲酰基吡咯的乙醇中再加入0.43g罗丹明6G酰肼,回流12h;(3)冷却至室温后析出大量固体,减压过滤,乙醇洗涤得到白色固体即为R1,产率79%。
优选的,步骤(3)的所述R1通过荧光光谱对Cu2+检出限达9.8397×10-7mol/L,线性范围为0.5-5×10-6mol/L。
优选的,步骤(3)的所述R1化合物结构表征数据为:1H NMR(400MHz,d6-DMSO),δ(ppm):10.67(s,1H,NH),8.02(s,1H,CH=N),7.78-7.80(m,1H,Aryl-H),7.46-7.48(m,2H,Aryl-H),6.90-6.91(m,1H,Aryl-H),6.24(s,2H,Aryl-H),6.11(s,2H,Aryl-H),5.52(s,1H,pyrrole-CH),5.04-5.07(t,2H,NH),3.04-3.09(m,4H,2CH2),2.03(s,3H,CH3),1.80(s,6H,2CH3),1.73(s,3H,CH3),1.12-1.16(t,6H,2CH3).ESI-MS:m/z=534.2686for[M+1]+
本发明所达到的有益效果是:采用紫外-可见分光光度计以及荧光分光光度计测定水相中罗丹明类探针的特征峰的强度变化,进而确定铜离子的存在,本发明以罗丹明6G(Rhodanmine6G)为前体合成目标产物罗丹明6G酰肼缩3,5-二甲基-2-甲酰基吡咯(R1),本发明提供了目标产物在重金属离子检测中的应用,发现其对铜离子有很好的检测效果,本发明采用的原料易得,合成步骤简单,后处理亦很方便,较易实现大规模生产,在检测环境中的铜离子方面有很大的应用前景。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。
在附图中:
图1是本发明实施例所述的一种基于罗丹明6G的铜离子传感器、制备及应用目标产物罗丹明6G酰肼缩3,5-二甲基-2-甲酰基吡咯的合成图;
图2是本发明实施例所述的一种基于罗丹明6G的铜离子传感器、制备及应用目标产物罗丹明6G酰肼缩3,5-二甲基-2-甲酰基吡咯的质谱图;
图3是本发明实施例所述的一种基于罗丹明6G的铜离子传感器、制备及应用目标产物罗丹明6G酰肼缩3,5-二甲基-2-甲酰基吡咯的单晶衍射结构图;
图4是本发明实施例所述的一种基于罗丹明6G的铜离子传感器、制备及应用日光下罗丹明6G酰肼缩3,5-二甲基-2-甲酰基吡咯的CH3CN/H2O(v/v,1∶1)溶液(5×10-6mol/L)中加入各种金属离子(5×10-6mol/L)图;
图5是本发明实施例所述的一种基于罗丹明6G的铜离子传感器、制备及应用目标产物罗丹明6G酰肼缩3,5-二甲基-2-甲酰基吡咯的CH3CN/H2O(v/v,1∶1)溶液(5×10-6mol/L)中加入不同浓度Cu2+(0-15×10-6mol/L)紫外光谱图;
具体实施方式
以下结合附图对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例:请参阅图1-5,本发明一种基于罗丹明6G的铜离子传感器、制备及应用,所述铜离子传感器的制备方法为:(1)将0.12g3,5-二甲基-2-甲酰基吡咯溶于10mL乙醇中;(2)将步骤(1)中已加入0.12g 3,5-二甲基-2-甲酰基吡咯的乙醇中再加入0.43g罗丹明6G酰肼,回流12h;(3)冷却至室温后析出大量固体,减压过滤,乙醇洗涤得到白色固体即为R1,产率79%,步骤(3)的所述R1通过荧光光谱对Cu2+检出限达9.8397×10-7mol/L,线性范围为0.5-5×10-6mol/L,步骤(3)的所述R1化合物结构表征数据为:1H NMR(400MHz,d6-DMSO),δ(ppm):10.67(s,1H,NH),8.02(s,1H,CH=N),7.78-7.80(m,1H,Aryl-H),7.46-7.48(m,2H,Aryl-H),6.90-6.91(m,1H,Aryl-H),6.24(s,2H,Aryl-H),6.11(s,2H,Aryl-H),5.52(s,1H,pyrrole-CH),5.04-5.07(t,2H,NH),3.04-3.09(m,4H,2CH2),2.03(s,3H,CH3),1.80(s,6H,2CH3),1.73(s,3H,CH3),1.12-1.16(t,6H,2CH3).ESI-MS:m/z=534.2686for[M+1]+
需要说明的是,本发明为一种基于罗丹明6G的铜离子传感器、制备及应用,工作时,在不同水样中,罗丹明6G衍生物比色探针试纸与Cu2+进行比色:将试纸于罗丹明6G衍生物比色探针溶液(1×10-3mol/L)中浸泡1分钟,真空避光干燥24小时。于二次水中添加不同浓度的二价铜离子,分别将试纸浸泡1分钟后自然风干,于饮用水和天然水中添加不同浓度的二价铜离子,分别将试纸浸泡1分钟后自然风干,其中可得:
a.罗丹明6G衍生物比色探针在含不同浓度Cu2+的二次水中的成像图,即随着Cu2+浓度越大则在二次水中的成像图的颜色越深;
b.罗丹明6G衍生物比色探针在含不同浓度Cu2+的饮用水中的成像图,即随着Cu2+浓度越大则在饮用水中的成像图的颜色越深;
c.罗丹明6G衍生物比色探针在含不同浓度Cu2+的天然水中的成像图,即随着Cu2+浓度越大则在天然水中的成像图的颜色越深。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (3)

1.一种基于罗丹明6G的铜离子传感器、制备及应用,其特征在于:所述铜离子传感器的制备方法为:
(1)将0.12g 3,5-二甲基-2-甲酰基吡咯溶于10mL乙醇中;
(2)将步骤(1)中已加入0.12g 3,5-二甲基-2-甲酰基吡咯的乙醇中再加入0.43g罗丹明6G酰肼,回流12h;
(3)冷却至室温后析出大量固体,减压过滤,乙醇洗涤得到白色固体即为R1,产率79%。
2.根据权利要求1所述的一种基于罗丹明6G的铜离子传感器、制备及应用,其特征在于:步骤(3)的所述R1通过荧光光谱对Cu2+检出限达9.8397×10-7mol/L,线性范围为0.5-5×10-6mol/L。
3.根据权利要求1所述的一种基于罗丹明6G的铜离子传感器、制备及应用,其特征在于:步骤(3)的所述R1化合物结构表征数据为:1H NMR(400MHz,d6-DMSO),δ(ppm):10.67(s,1H,NH),8.02(s,1H,CH=N),7.78-7.80(m,1H,Aryl-H),7.46-7.48(m,2H,Aryl-H),6.90-6.91(m,1H,Aryl-H),6.24(s,2H,Aryl-H),6.11(s,2H,Aryl-H),5.52(s,1H,pyrrole-CH),5.04-5.07(t,2H,NH),3.04-3.09(m,4H,2CH2),2.03(s,3H,CH3),1.80(s,6H,2CH3),1.73(s,3H,CH3),1.12-1.16(t,6H,2CH3).ESI-MS:m/z=534.2686for[M+1]+
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CN110865185A (zh) * 2019-08-19 2020-03-06 军事科学院军事医学研究院环境医学与作业医学研究所 基于铜离子荧光探针间接竞争法检测赭曲霉毒素a的方法
CN110865185B (zh) * 2019-08-19 2023-03-14 军事科学院军事医学研究院环境医学与作业医学研究所 基于铜离子荧光探针间接竞争法检测赭曲霉毒素a的方法

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