CN111393462A - 一种基于双机理的用于检测onoo-的荧光探针及其制备方法和应用 - Google Patents
一种基于双机理的用于检测onoo-的荧光探针及其制备方法和应用 Download PDFInfo
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Abstract
一种基于双机理的用于检测ONOO‑的荧光探针及其制备方法和应用,属于荧光探针检测技术领域,目的在于提供一种基于双机理测定ONOO‑的荧光探针及其制备方法和应用。称取2‑氨基苯硫醇和4‑(二乙胺基)水杨醛溶解在10mL无水乙醇溶液中,然后加入浓盐酸和过氧化氢溶液。在室温下搅拌,加入10mL二次水进行淬灭,过滤得到粗产物,然后将粗产物在乙醇溶液中重结晶,得到黄色固体;将得到的固体、碳酸钾和4‑溴甲基苯硼酸频哪酯加入到DMF溶液中,反应5小时后,用旋转蒸发仪旋干,柱层析分离纯化后即得到目标产物。所得到的探针在水溶液中具有良好的溶解度和分散性,并且可以用来检测ONOO‑和内源性细胞成像。
Description
技术领域
本发明属于荧光探针检测技术领域,具体涉及一种基于双机理的用于检测ONOO-的荧光探针及其制备方法和应用。
背景技术
ONOO-是生物体内重要的活性氧分子,是由超氧阴离子(O2 ·-)和一氧化氮(NO)通过自由基反应生成的产物。ONOO-作为较强的氧化剂和亲核试剂,参与了生物体内广泛的生理和病理活动过程,过量的ONOO-将导致各种疾病的产生,如癌症,阿尔兹海默症和炎症等。因此,发展更多的荧光探针检测ONOO-是极其重要的。但是目前的荧光探针大多是基于单机理测定,很少是通过双机理测定ONOO-。
发明内容
本发明的目的在于提供一种基于双机理测定ONOO-的荧光探针及其制备方法和应用,本发明的制备方法简单,通过该方法制备的荧光探针能够避免多种离子的干扰。
本发明采用如下技术方案:
一种基于双机理的用于检测ONOO-的荧光探针,其结构式如下:
一种基于双机理的用于检测ONOO-的荧光探针的制备方法,包括如下步骤:
第一步,分别称取2-氨基苯硫醇和4-(二乙胺基)水杨醛,溶解在10mL无水乙醇溶液中,然后加入浓盐酸和过氧化氢溶液,在室温下搅拌1-2h后,加入10mL二次水进行淬灭,过滤得到粗产物,然后将粗产物在乙醇溶液中重结晶,得到黄色固体;
第二步,将第一步得到的黄色固体、碳酸钾和4-溴甲基苯硼酸频哪酯加入到DMF溶液中,60-80℃条件下反应5h,反应完毕后,旋转蒸发仪旋干,柱层析分离纯化后得到目标产物。
第一步中所述2-氨基苯硫醇和4-(二乙胺基)水杨醛的摩尔比为1-1.5:1,优选1.3:1,浓盐酸和过氧化氢溶液的体积比为1:2.5。第一步中所述搅拌时间优选90min。
第二步中所述黄色固体、碳酸钾和4-溴甲基苯硼酸频哪酯的摩尔比为0.5-1:2:1,优选0.8:2:1,所述反应温度优选60℃,柱层析用的洗脱剂体积比为10:1的二氯甲烷和甲醇。
一种荧光探针应用于ONOO-的检测,包括如下步骤:
第一步,用DMSO配制1 mM的荧光探针的储备液,用二次水配置pH=7.4、浓度为0.02 M的磷酸缓冲溶液;
第二步,ONOO-溶液的配置:将5 mL浓度0.6 M的亚硝酸钠溶液加入到5 mL浓度0.6 M的过氧化氢溶液中,用磁力搅拌器高速搅拌混合,然后迅速加入0.6 g氢氧化钠,反应2 min后,加入0.1 g的二氧化锰除去未反应完全的过氧化氢,冷冻保存;通过0.1 M的氢氧化钠溶液作为参比,测得ONOO-溶液的浓度为0.2 mM;
第三步,取20 μL荧光探针的储存液于干净的比色管中,用pH=7.4的磷酸缓冲溶液稀释至2 mL,在荧光光度计上检测,随着ONOO-溶液的增加,在荧光光度计上测定436 nm处的荧光强度逐渐增强,体系在436 nm的荧光强度和ONOO-浓度在0.2-7.68 µM的范围内呈现良好的线性关系,以ONOO-浓度为横坐标,以荧光强度为纵坐标作图,得到ONOO-浓度与荧光强度的线性方程F=21.96+36.74 [ONOO-],R2=0.9952。
本发明的有益效果如下
1. 本发明首次提出通过分子内电荷转移(ICT)和激发态分子内质子转移(ESIPT)双机理来测定ONOO-,双机理的研究设计旨在激发研究者探索更多的研究机理,增加检测方法的多样性。本发明制备的荧光探针能够避免多种离子的干扰。
2. 本发明制备的荧光探针具有良好的溶解性和分散性。
3. 本发明制备的荧光探针经济环保,所用试剂便宜易得,无污染物产生。
4. 本发明制备的荧光探针可以在RAW 264.7 细胞中检测内源性的ONOO-。
附图说明
图1为本发明制备的荧光探针检测ONOO-的荧光光谱图。
图2为本发明制备的荧光探针通过荧光光谱法测定ONOO-的线性关系图。
图3为本发明测定共存离子对ONOO-的干扰性图。
图4为本发明荧光探针与ONOO-的时间响应图。
图5为本发明荧光探针与ONOO-的光稳定性图。
图6为本发明pH3-7对反应体系的影响图。
图7为本发明pH8-12对反应体系的影响图。
图8为本发明的荧光探针在RAW 264.7细胞中对ONOO-的成像能力图,其中,a-d为荧光探针在RAW 264.7细胞中对ONOO-的成像能力,e-h为加入ONOO-内源性供体脂质体LPS和干扰素IFN-γ处理之后的成像能力图,i-l为加入ONOO-内源性供体脂质体LPS、干扰素IFN-γ和ONOO-清除剂ebselen之后的成像能力图。
具体实施方式
实施例1 荧光探针的合成和表征
称取0.52 g 2-氨基苯硫醇和0.6 g 4-(二乙胺基)水杨醛溶解在10mL无水乙醇溶液中,然后加入0.79 mL浓盐酸和1.93 mL过氧化氢溶液。在室温下搅拌90分钟之后,加入10mL水进行淬灭,过滤得到粗产物,然后将粗产物在乙醇溶液中重结晶,得到黄色固体;FT-IR(/cm-1): (O-H): 3438; (C-H): 2973; (C=N): 1632; (C=C): 1560, 1469, 1429. 1HNMR (600 MHz, DMSO) δ 11.73 (s, 1H), 8.03 (d, J = 7.5 Hz, 1H), 7.90 (d, J =7.9 Hz, 1H), 7.71 (d, J = 8.1 Hz, 1H), 7.47 (s, 1H), 7.34 (s, 1H), 6.38 (d, J= 8.2 Hz, 1H), 6.21 (s, 1H), 3.46–3.36 (m, 4H), 1.13 (s, 6H). 13C NMR (151MHz, DMSO) δ 167.89, 159.04, 152.16, 151.45, 132.82, 130.34, 126.83, 124.61,122.23, 121.24, 106.09, 104.98, 97.59, 44.38, 13.02. HRMS (ESI): Calcd forC17H18N2OS[M+H]+299.1218, found 299.12155。
(2)将得到的0.11 g黄色固体、0.12 g碳酸钾和0.127 g 4-溴甲基苯硼酸频哪酯加入到DMF溶液中,在60℃下反应5小时,反应完毕后,用旋转蒸发仪旋干,柱层析(洗脱剂二氯甲烷和甲醇的体积比为10:1)分离纯化后即得到目标产物。FT-IR (/cm-1): (C-H):2974; (C=N): 1608; (C=C): 1554, 1521, 1461. 1H NMR (600 MHz, DMSO) δ 8.66 (s,1H), 8.22 (d, J = 8.7 Hz, 1H), 7.93 (d, J = 9.4 Hz, 1H), 7.72 (t, J = 9.0 Hz,1H), 7.49 (d, J = 7.8 Hz, 2H), 7.31 (s, 1H), 7.27 – 7.20 (m, 1H), 5.75 (s,2H), 5.29 (s, 1H), 3.69 (s, 2H), 3.32 (s, 2H), 3.18 (d, J = 28.5 Hz, 1H),3.04 (s, 1H), 1.27 (d, J = 22.6 Hz, 13H), 1.06 (s, 5H). 13C NMR (151 MHz,DMSO) δ 168.82, 168.26, 163.26, 160.33, 150.36, 144.73, 139.96, 139.82,132.31, 132.19, 125.66, 124.49, 123.09, 88.96, 78.73, 74.90, 60.15, 50.57,29.90, 17.66. HRMS (ESI): Calcd for C17H18N2OS[M+H]+515.2540, found 515.25382。
实施例2 荧光探针通过荧光光谱法检测ONOO-
取20 μL荧光探针的储存液于干净的比色管中,用pH=7.4的磷酸缓冲溶液稀释至2 mL,在荧光光度计上检测,随着ONOO-溶液浓度的增加,在荧光光度计上测定436 nm处的荧光强度逐渐增强见图1。
实施例3荧光探针通过荧光光谱法测定ONOO-的线性关系
取20 μL荧光探针的储存液于干净的比色管中,用pH=7.4的磷酸缓冲溶液稀释至2 mL,在荧光光度计上检测,逐渐加入不同浓度的ONOO-,在荧光光度计上测定436 nm处的荧光强度逐渐增强,而且体系在436 nm的荧光强度和ONOO-溶液浓度在0.2-7.68 µM的范围内呈现良好的线性关系,以[ONOO-]为横坐标,以荧光强度为纵坐标作图,得到[ONOO-]与荧光强度的线性方程F=21.96+36.74 [ONOO-], R2=0.9952,见图2。
实施例4测定共存离子对ONOO-的干扰性
取20 μL荧光探针的储存液于干净的比色管中,用pH=7.4的磷酸缓冲溶液稀释至2 mL,再分别加入10 uM的ONOO-以及100 uM的其它各种离子,在荧光光度计上检测,离子的干扰性实验分别见图3。实验证明,其它常见离子不干扰体系对ONOO-的测定。
实施例5探针与ONOO-的时间响应研究
取20 μL荧光探针的储存液于干净的比色管中,用pH=7.4的磷酸缓冲溶液稀释至2 mL,然后加入10 uM的ONOO-,在荧光光度计上检测,结果见图4。实验证明,响应时间约为20秒,探针可以较快地检测ONOO-。
实施例6探针与ONOO-的光稳定性研究
取20 μL荧光探针的储存液于干净的比色管中,用pH=7.4的磷酸缓冲溶液稀释至2 mL,然后加入10 uM的ONOO-,在荧光光度计上检测,结果见图5。实验证明,荧光强度没有发生明显的改变,说明探针与ONOO-体系是相对稳定的。
实施例7 pH对反应体系的影响
取20 μL荧光探针的储存液于干净的比色管中,用pH分别为2,3,4,5,6,7.4,8,9,10,11的磷酸缓冲溶液稀释至2 mL,在荧光光度计上检测各个pH下的荧光强度。接着分别加入10uM的ONOO-,在荧光光度计上检测荧光强度的变化,结果见图6和图7。实验证明,探针本身荧光强度在不同pH下没有发生明显的改变,但是加入ONOO-之后,在pH为3.0-7.0范围内荧光强度逐渐增强,在pH为8.0-12.0范围内荧光强度逐渐下降,说明探针适合在生理条件下检测ONOO-。
实施例8探针在RAW 264.7细胞中对ONOO-的成像能力图
将探针在RAW 264.7细胞中培养10分钟,在激光共聚焦下显示较弱的黄色荧光(见图8a-d),加入ONOO-内源性供体脂质体LPS和干扰素IFN-γ处理之后,蓝色荧光明显增强,黄色荧光没有发生明显的变化(见图8e-h),再加入ONOO-清除剂ebselen之后,蓝色荧光减弱(见图8i-l)。实验证明,探针可以在RAW 264.7细胞中检测内源性的ONOO-。
Claims (5)
2.一种如权利要求1所述的基于双机理的用于检测ONOO-的荧光探针的制备方法,其特征在于:包括如下步骤:
第一步,分别称取2-氨基苯硫醇和4-(二乙胺基)水杨醛,溶解在10mL无水乙醇溶液中,然后加入浓盐酸和过氧化氢溶液,在室温下搅拌1-2h后,加入10mL二次水进行淬灭,过滤得到粗产物,然后将粗产物在乙醇溶液中重结晶,得到黄色固体;
第二步,将第一步得到的黄色固体、碳酸钾和4-溴甲基苯硼酸频哪酯加入到DMF溶液中,60-80℃条件下反应5h,反应完毕后,旋转蒸发仪旋干,柱层析分离纯化后得到目标产物。
3.根据权利要求2所述的一种基于双机理的用于检测ONOO-的荧光探针的制备方法,其特征在于:第一步中所述2-氨基苯硫醇和4-(二乙胺基)水杨醛的摩尔比为1-1.5:1,浓盐酸和过氧化氢溶液的体积比为1:2.5。
4.根据权利要求2所述的一种基于双机理的用于检测ONOO-的荧光探针的制备方法,其特征在于:第二步中所述黄色固体、碳酸钾和4-溴甲基苯硼酸频哪酯的摩尔比为0.5-1:2:1,柱层析用的洗脱剂体积比为10:1的二氯甲烷和甲醇。
5.一种如权利要求1所述的荧光探针应用于ONOO-的检测,其特征在于:包括如下步骤:
第一步,用DMSO配制1 mM的荧光探针的储备液,用二次水配置pH=7.4、浓度为0.02 M的磷酸缓冲溶液;
第二步,ONOO-溶液的配置:将5 mL浓度0.6 M的亚硝酸钠溶液加入到5 mL浓度0.6 M的过氧化氢溶液中,用磁力搅拌器高速搅拌混合,然后迅速加入0.6 g氢氧化钠,反应2 min后,加入0.1 g的二氧化锰除去未反应完全的过氧化氢,冷冻保存;通过0.1 M的氢氧化钠溶液作为参比,测得ONOO-溶液的浓度为0.2 mM;
第三步,取20 μL荧光探针的储存液于干净的比色管中,用pH=7.4的磷酸缓冲溶液稀释至2 mL,在荧光光度计上检测,随着ONOO-溶液的增加,在荧光光度计上测定436 nm处的荧光强度逐渐增强,体系在436 nm的荧光强度和ONOO-浓度在0.2-7.68 µM的范围内呈现良好的线性关系,以ONOO-浓度为横坐标,以荧光强度为纵坐标作图,得到ONOO-浓度与荧光强度的线性方程F=21.96+36.74 [ONOO-],R2=0.9952。
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110243846A1 (en) * | 2008-12-12 | 2011-10-06 | Jorma Hassfeld | Benzothiazole amides for detection of amyloid beta |
CN104777141A (zh) * | 2015-04-29 | 2015-07-15 | 山西大学 | 苯并噻唑衍生物在极度酸性环境中检测pH的应用 |
CN106632441A (zh) * | 2016-12-16 | 2017-05-10 | 济南大学 | 一种识别过氧化氢的比率型荧光探针 |
CN107353300A (zh) * | 2017-06-26 | 2017-11-17 | 闫语 | 一种苯硼酸类次氯酸比色荧光探针的制备与应用 |
CN108409685A (zh) * | 2018-02-09 | 2018-08-17 | 华南理工大学 | 具有原位生成能力的光激活聚集诱导发光探针及其制备与应用 |
CN108546255A (zh) * | 2018-02-09 | 2018-09-18 | 中国矿业大学 | 一种四苯乙烯基噻唑溶剂水荧光探针及其制备方法 |
CN108727362A (zh) * | 2018-08-01 | 2018-11-02 | 中南大学 | 一类固体荧光小分子的合成与应用 |
CN108752373A (zh) * | 2018-07-13 | 2018-11-06 | 济南大学 | 一种基于苯硼酯识别过氧化氢的荧光探针 |
CN109369566A (zh) * | 2018-11-13 | 2019-02-22 | 山西大学 | 一种苯并噻唑衍生物ntno及其制备方法和应用 |
CN109897627A (zh) * | 2019-03-20 | 2019-06-18 | 山西大学 | 一种快速检测onoo-的近红外荧光探针及其制备方法和应用 |
CN110951484A (zh) * | 2019-12-03 | 2020-04-03 | 山西大学 | 一种苯并噻唑类衍生物作为硝基还原酶荧光探针及应用 |
-
2020
- 2020-04-10 CN CN202010278298.8A patent/CN111393462A/zh active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110243846A1 (en) * | 2008-12-12 | 2011-10-06 | Jorma Hassfeld | Benzothiazole amides for detection of amyloid beta |
CN104777141A (zh) * | 2015-04-29 | 2015-07-15 | 山西大学 | 苯并噻唑衍生物在极度酸性环境中检测pH的应用 |
CN106632441A (zh) * | 2016-12-16 | 2017-05-10 | 济南大学 | 一种识别过氧化氢的比率型荧光探针 |
CN107353300A (zh) * | 2017-06-26 | 2017-11-17 | 闫语 | 一种苯硼酸类次氯酸比色荧光探针的制备与应用 |
CN108409685A (zh) * | 2018-02-09 | 2018-08-17 | 华南理工大学 | 具有原位生成能力的光激活聚集诱导发光探针及其制备与应用 |
CN108546255A (zh) * | 2018-02-09 | 2018-09-18 | 中国矿业大学 | 一种四苯乙烯基噻唑溶剂水荧光探针及其制备方法 |
CN108752373A (zh) * | 2018-07-13 | 2018-11-06 | 济南大学 | 一种基于苯硼酯识别过氧化氢的荧光探针 |
CN108727362A (zh) * | 2018-08-01 | 2018-11-02 | 中南大学 | 一类固体荧光小分子的合成与应用 |
CN109369566A (zh) * | 2018-11-13 | 2019-02-22 | 山西大学 | 一种苯并噻唑衍生物ntno及其制备方法和应用 |
CN109897627A (zh) * | 2019-03-20 | 2019-06-18 | 山西大学 | 一种快速检测onoo-的近红外荧光探针及其制备方法和应用 |
CN110951484A (zh) * | 2019-12-03 | 2020-04-03 | 山西大学 | 一种苯并噻唑类衍生物作为硝基还原酶荧光探针及应用 |
Non-Patent Citations (4)
Title |
---|
LULING WU ET AL.: "ESIPT-based fluorescence probe for the rapid detection of peroxynitrite ‘AND’ biological thiols", 《CHEMICAL COMMUNICATIONS》 * |
LULING WU ET AL.: "ESIPT-based ratiometric fluorescence probe for the intracellular imaging of peroxynitrite", 《CHEMICAL COMMUNICATIONS》 * |
LULING WU ET AL.: "Reaction-Based Fluorescent Probes for the Detection and Imaging of Reactive Oxygen, Nitrogen, and Sulfur Species", 《ACCOUNTS OF CHEICAL RESEARCH》 * |
QI LI ET AL.: "A boronate-based ratiometric fluorescent probe for fast selectivedetection of peroxynitrite", 《TETRAHEDRON LETTERS》 * |
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