CN105419791A - 一种石墨烯量子点络合物及其制备方法以及作为钙离子检测溶液上的应用 - Google Patents

一种石墨烯量子点络合物及其制备方法以及作为钙离子检测溶液上的应用 Download PDF

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CN105419791A
CN105419791A CN201510882844.8A CN201510882844A CN105419791A CN 105419791 A CN105419791 A CN 105419791A CN 201510882844 A CN201510882844 A CN 201510882844A CN 105419791 A CN105419791 A CN 105419791A
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程如梅
步叶旭
葛聪聪
薛裕华
戴黎明
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Abstract

一种石墨烯量子点络合物及其制备方法以及作为制备钙离子检测溶液上的应用,本发明将发光基团引入到具有环境友好性的纳米量子点,具体地将多巴胺盐酸盐引入到石墨烯量子点上,获得了水溶性超强、对钙离子选择性高的石墨烯量子点络合物类荧光化合物,其合成方法简单、条件温和、产物易得,将该化合物用于本发明的钙离子检测获得良好效果而完成本发明。本发明具有发光性质、水溶性好的石墨烯量子点通过酰胺键与荧光基团相连形成,形成具有双重发光性质的化合物。

Description

一种石墨烯量子点络合物及其制备方法以及作为钙离子检测溶液上的应用
技术领域
本发明涉及识别结合和用于光学检测钙离子的离子检测技术领域,具体涉及一种石墨烯量子点络合物及其制备方法以及作为制备钙离子检测溶液上的应用。
背景技术
钙是矿物和天然水体的基本组成物质之一,钙(II)离子在水体环境中大量存在,尽管对健康没有造成威胁,但是高的钙离子含量易生成不溶性矿物沉积,导致热量传导效率降低,引起工业成本增加。用于检测钙离子传统的方法主要有原子吸收光谱法、离子色谱法以及高效液相色谱法。但是这些方法所需仪器昂贵,操作复杂。据报道,用小分子识别钙离子进行检测方面取得了较大的进展,其中,荧光光度法灵敏度高测试简便。但是,由于这些方法中用于识别钙离子的小分子大多在水中溶解性低或引起环境的二次污染而相应发展缓慢。
发明内容
为了克服以上方法的缺陷,特别在水溶性、选择性、环境友好性方面的问题,本发明人经过锐意研究,发现将发光基团引入到具有环境友好性的纳米量子点,具体地将多巴胺盐酸盐引入到石墨烯量子点上,获得了水溶性超强、对钙离子选择性高的石墨烯量子点络合物类荧光化合物,该化合物以下简称为GDA,其合成方法简单、条件温和、产物易得,将该化合物用于本发明的钙离子检测获得良好效果而完成本发明。
本发明采用的技术解决方案是:一种石墨烯量子点络合物,其特征在于,其化学结构式如下:
一种所述的石墨烯量子点络合物的制备方法,包括以下步骤:将0.1~3.0mg/mL的石墨烯量子点水溶液30mL置于烧杯中,滴加0.1mL的催化剂二环己基碳二亚胺,静置活化30min后,滴加5mL多巴胺含量为0.05-0.2g的水溶液,20-80℃水浴中加热超声均匀分散10-30分钟,水浴20-80℃加热1小时后常温避光搅拌5-24小时,反应结束将产物置于分子量1000的透析袋中于1000mL去离子水中透析三天,每隔3小时换水一次,最终得到所述的石墨烯量子点络合物。
所述的水浴加热为30~50℃。
一种所述的石墨烯量子点络合物在作为制备钙离子检测溶液上的应用
所述的钙离子检测溶液为石墨烯量子点络合物溶于水或醇水溶液配制而成,所述的钙离子检测溶液的质量浓度为0.05~3.0mg/mL。
所述的钙离子检测溶液的质量浓度为0.5~1.5mg/mL。
本发明的有益效果是:一种石墨烯量子点络合物及其制备方法以及作为制备钙离子检测溶液上的应用,本发明将发光基团引入到具有环境友好性的纳米量子点,具体地将多巴胺盐酸盐引入到石墨烯量子点上,获得了水溶性超强、对钙离子选择性高的石墨烯量子点络合物类荧光化合物,其合成方法简单、条件温和、产物易得,将该化合物用于本发明的钙离子检测获得良好效果而完成本发明。本发明具有发光性质、水溶性好的石墨烯量子点通过酰胺键与荧光基团相连形成,形成具有双重发光性质的化合物。
附图说明
图1为实施例1的化合物对钙离子浓度的荧光强度相应。
图2为实施例1的化合物在5倍干扰离子存在下对钙离子的荧光相应。图中每组中,棒状标低的为干扰离子的相应,高的为加入钙离子后的相应。
具体实施方式
为了更清楚地说明本发明内容,用具体实施例说明如下,具体实施例不限定本发明内容范围。
实施例1(化合物GDA的合成)
将1.0mg/mL的石墨烯量子点水溶液30mL置于100mL的烧杯中,滴加0.1mL的催化剂二环己基碳二亚胺,静置活化30min后,滴加5mL多巴胺含量为0.1g的水溶液,50℃水浴中加热超声均匀分散10分钟,水浴50℃加热1小时后常温避光搅拌5小时,反应结束将产物置于分子量1000的透析袋中于1000mL去离子水中透析三天,每隔3小时换水一次,得到用于检测钙离子的石墨烯量子点络合物。
实施例2(化合物GDA的合成)
将2.0mg/mL的石墨烯量子点水溶液30mL置于100mL的烧杯中,滴加0.1mL的催化剂二环己基碳二亚胺,静置活化30min后,滴加5mL多巴胺含量为0.15g的水溶液,50℃水浴中加热超声均匀分散30分钟,水浴60℃加热1小时后常温避光搅拌24小时,反应结束将产物置于分子量1000的透析袋中于1000mL去离子水中透析三天,每隔3小时换水一次,得到用于检测钙离子的石墨烯量子点络合物。
实施例3(选择性实验)
荧光实验中化合物GDA配成1.0mg/mL水溶液储备液,金属离子和生物分子选用K+,Na+,Mg2+,Co2+,Mn2+及葡萄糖,氨基葡萄糖、谷氨酸钠、麦芽糖、乳糖、蔗糖、果糖等物质,所有实验用的溶液都为新配置,并立即实验。在256nm激发。离子和生物分子分别测试实验中,取储备液2.5mL,分别加入7*10-5M的离子或生物分子溶液。测试其荧光光谱。结果见附图1。
实施例4干扰离子共存检测钙离子实验
荧光实验中化合物GDA配成0.25mg/mL的水溶液。Ca(II)氯化物配成2mM的标准储备液。作为干扰离子的金属离子和生物分子选用K+,Na+,Mg2+,Co2+,Mn2+及葡萄糖,氨基葡萄糖、谷氨酸钠、麦芽糖、乳糖、蔗糖、果糖等物质。所有实验用的溶液都为新配置,并立即实验。干扰物质实验中,先在0.25mg/mL的GDA的水溶液中加入5倍的干扰离子,测其荧光,再加入2.3*10-4mmol的Ca(II),测其荧光变化。在256nm激发,在314nm处检测荧光变化。结果见附图2。

Claims (6)

1.一种石墨烯量子点络合物,其特征在于,其化学结构式如下:
2.一种权利要求1所述的石墨烯量子点络合物的制备方法,其特征在于,包括以下步骤:将0.1~3.0mg/mL的石墨烯量子点水溶液30mL置于烧杯中,滴加0.1mL的催化剂二环己基碳二亚胺,静置活化30min后,滴加5mL多巴胺含量为0.05-0.2g的水溶液,20-80℃水浴中加热超声均匀分散10-30分钟,水浴20-80℃加热1小时后常温避光搅拌5-24小时,反应结束将产物置于分子量1000的透析袋中于1000mL去离子水中透析三天,每隔3小时换水一次,最终得到所述的石墨烯量子点络合物。
3.根据权利要求2所述的石墨烯量子点络合物的制备方法,其特征在于,所述的水浴加热为30~50℃。
4.一种权利要求1所述的石墨烯量子点络合物在作为制备钙离子检测溶液上的应用。
5.据权利要求4所述的石墨烯量子点络合物在作为制备钙离子检测溶液上的应用,其特征在于,所述的钙离子检测溶液为石墨烯量子点络合物溶于水或醇水溶液配制而成,所述的钙离子检测溶液的质量浓度为0.05~3.0mg/mL。
6.根据权利要求5所述的石墨烯量子点络合物在作为制备钙离子检测溶液上的应用,其特征在于,所述的钙离子检测溶液的质量浓度为0.5~1.5mg/mL。
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107216882A (zh) * 2017-07-21 2017-09-29 安徽师范大学 一种AgNPs@PDA‑CdSe量子点纳米组装体的制备和应用
CN107880880A (zh) * 2017-10-24 2018-04-06 温州医科大学 一种壳聚糖希夫碱改性的石墨烯量子点及其制备方法与应用
CN108047236A (zh) * 2017-11-29 2018-05-18 温州医科大学 一种氨基氧蒽酮改性石墨烯ag及其制备方法与制备肼黄荧光检测试剂上的应用
CN108822839A (zh) * 2018-05-25 2018-11-16 温州医科大学 一种氨基葡萄糖改性的纳米碳点GSCs及其制备方法与制备赖氨酸荧光检测试剂上的应用
CN110220879A (zh) * 2019-07-03 2019-09-10 闽江学院 一种用于钙离子检测的生物质纤维荧光探针的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183557A (zh) * 2011-01-22 2011-09-14 青岛大学 一种环糊精功能化石墨烯的制备方法
CN104017209A (zh) * 2014-06-17 2014-09-03 北京航空航天大学 一种强韧一体化仿生层状石墨烯复合材料的制备方法
CN104597009A (zh) * 2014-12-10 2015-05-06 温州医科大学 一种石墨烯改性材料的制备方法及用于银离子检测的石墨烯改性材料乙醇水混合溶剂
CN104927080A (zh) * 2015-04-08 2015-09-23 北京航空航天大学 一种仿生层状强韧一体化导电石墨烯复合材料的制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183557A (zh) * 2011-01-22 2011-09-14 青岛大学 一种环糊精功能化石墨烯的制备方法
CN104017209A (zh) * 2014-06-17 2014-09-03 北京航空航天大学 一种强韧一体化仿生层状石墨烯复合材料的制备方法
CN104597009A (zh) * 2014-12-10 2015-05-06 温州医科大学 一种石墨烯改性材料的制备方法及用于银离子检测的石墨烯改性材料乙醇水混合溶剂
CN104927080A (zh) * 2015-04-08 2015-09-23 北京航空航天大学 一种仿生层状强韧一体化导电石墨烯复合材料的制备方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KONGGANG QU,等等: "Carbon Dots Prepared by Hydrothermal Treatment of Dopamine as an Effective Fluorescent Sensing Platform for the Label-Free Detection of Iron (III) Ions and Dopamine", 《CHEM. EUR. J.》 *
LI QUN XU等: "Dopamine-Induced Reduction and Functionalization of Graphene Oxide Nanosheets", 《MACROMOLECULES》 *

Cited By (9)

* Cited by examiner, † Cited by third party
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CN107216882B (zh) * 2017-07-21 2020-01-10 安徽师范大学 一种AgNPs@PDA-CdSe量子点纳米组装体的制备和应用
CN107880880A (zh) * 2017-10-24 2018-04-06 温州医科大学 一种壳聚糖希夫碱改性的石墨烯量子点及其制备方法与应用
CN107880880B (zh) * 2017-10-24 2020-05-22 温州医科大学 一种壳聚糖希夫碱改性的石墨烯量子点及其制备方法与应用
CN108047236A (zh) * 2017-11-29 2018-05-18 温州医科大学 一种氨基氧蒽酮改性石墨烯ag及其制备方法与制备肼黄荧光检测试剂上的应用
CN108047236B (zh) * 2017-11-29 2020-04-24 温州医科大学 一种氨基氧蒽酮改性石墨烯ag及其制备方法与制备肼黄荧光检测试剂上的应用
CN108822839A (zh) * 2018-05-25 2018-11-16 温州医科大学 一种氨基葡萄糖改性的纳米碳点GSCs及其制备方法与制备赖氨酸荧光检测试剂上的应用
CN108822839B (zh) * 2018-05-25 2021-08-06 温州医科大学 一种氨基葡萄糖改性的纳米碳点GSCs及其制备方法与制备赖氨酸荧光检测试剂上的应用
CN110220879A (zh) * 2019-07-03 2019-09-10 闽江学院 一种用于钙离子检测的生物质纤维荧光探针的制备方法

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