Spectroscopic studies of fluorescent dye N,N '-bis(2-hydroxy-5-methyl-benzylidene)-1,2-ethanediamine and its DNA complex in solution

Zhang LZ; Tang GQ

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Spectroscopic studies of fluorescent dye N,N '-bis(2-hydroxy-5-methyl-benzylidene)-1,2-ethanediamine and its DNA complex in solution

机译：荧光染料N，N'-双（2-羟基-5-甲基亚苄基）-1,2-乙二胺及其溶液中DNA配合物的光谱研究

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Absorption and fluorescence emission properties of an N-salicylideneamine fluorescent dye molecule N,N'-bis(2-hydroxy-5-methylbenzylidene)-1,2-ethanediamine (1) have been studied in three typical solvents-2-methylbutane, ethanol, dimethyl sulphoxide (DMSO), and its DNA complex in niethanol/H2O mixed solvent. The normal absorption band of I is observed in both aprotic and protic solvents and has been assigned to the l --> a(pi) transition in the enol form of 1. The long-wavelength absorption band of 1, which is caused by the formation of a cis-keto species in the ground state, is absent in aprotic solvents, but is observable in protic ones. Normal fluorescence emission from the excited enol state of I is obtained only when the normal absorption band is excited, while the excited-state intramolecular proton transfer (ESIPT) emissions from both cis- and trans-keto species are recorded in all cases, being acceptable for the variation of the relative emission intensities. A preliminary spectroscopic study of the 1-DNA complex indicates an intercalation-binding mode, the convincing supporting evidence being the enhanced ESIPT fluorescence intensity of 1 when complexed with DNA. Finally, a universal energy-state diagram is given to interpret the experimental results.

机译：研究了N-水杨亚胺荧光染料分子N，N'-双（2-羟基-5-甲基亚苄基）-1,2-乙二胺（1）在三种典型溶剂中的吸收和荧光发射特性-2-甲基丁烷，乙醇，二甲基亚砜（DMSO）及其在DNA络合物中的乙醇/水混合溶剂。在质子惰性和质子惰性溶剂中均观察到I的正常吸收带，并且已将其分配为烯醇形式1的l-> a（pi）跃迁.1的长波吸收带是由非质子传递溶剂中不存在基态的顺式-酮类化合物的形成，但在质子传递性溶剂中可观察到。仅当正常吸收带被激发时，才能从I的激发烯醇状态获得正常荧光发射，而在所有情况下都记录了顺式和反式酮物种的激发态分子内质子转移（ESIPT）发射，这是可以接受的相对发射强度的变化。 1-DNA配合物的初步光谱研究表明是嵌入-结合模式，令人信服的支持证据是与DNA配合时ESIPT荧光强度增强了1。最后，给出了一个通用的能量状态图来解释实验结果。

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《Journal of Fluorescence》 |2005年第1期|共7页
作者
Zhang LZ; Tang GQ;
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正文语种 eng
中图分类光学;
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N-salicylideneamine; DNA; fluorescence; proton transfer; STATE PROTON-TRANSFER; OPTICAL NONLINEARITIES; ROOM-TEMPERATURE; FEMTOSECOND; DYNAMICS; KINETICS; 7-HYDROXYQUINOLINE; 3-HYDROXYFLAVONE; PHOTOCHROMISM; HYPOCRELLIN;

机译：N-水杨亚胺;DNA;荧光;质子转移;质子转移;光学非线性;室温;毫微微秒;动力学;动力学;7-羟基喹啉;3-羟基黄酮;光致变色;对苯二酚;

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专利

1. Spectroscopic studies of fluorescent dye N,N '-bis(2-hydroxy-5-methyl-benzylidene)-1,2-ethanediamine and its DNA complex in solution [J] . Zhang LZ, Tang GQ Journal of Fluorescence . 2005,第1期

机译：荧光染料N，N'-双（2-羟基-5-甲基亚苄基）-1,2-乙二胺及其溶液中DNA配合物的光谱研究
2. Shedding light on the photostability of two intermolecular charge-transfer complexes between highly fluorescent bis-1, 8-naphthalimide dyes and some pi-acceptors: A spectroscopic study in solution and solid states [J] . Refat Moamen S., Ismail Lamia A., Adam Abdel Majid A. Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy . 2015,第Null期

机译：揭示高荧光的bis-1、8-萘二甲酰亚胺染料与某些pi受体之间的两种分子间电荷转移配合物的光稳定性：溶液和固态的光谱研究
3. Synthesis and physico-chemical studies on complexes of 1,2-diaminophenyl-N,N '-bis-(2-pyridinecarboxaldimine), (L): A spectroscopic approach on binding studies of DNA with the copper complex [J] . Shakir M, Azam M, Azim Y, Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2007,第18期

机译：1,2-二氨基苯基-N，N'-双-（2-吡啶甲羧二胺）的配合物的合成和理化研究，（L）：DNA与铜配合物结合研究的光谱方法
4. Host-Guest Complexation: a Spectroscopic Study of Salicylidene- 1,2-ethanediamine withinthe Nanoporous Channels of MCM-41 [C] . International symposium on solid state chemistry in China amp; 8th Chinese national conference on solid state chemistry and inorganic synthesis : Book of abstracts . 2002

机译：宿主-客体络合物：MCM-41纳米孔通道内水杨基-1,2-乙二胺的光谱研究
5. (1,3-Bis(2'-pyridylimino)isoindolinato)nickel(II) complexes of phenylcyanamido ligands: Crystal structure, solution and spectroscopic properties [D] . Letcher, Robert J. 1991

机译：苯基氰酰胺基配体的（1,3-双（2'-吡啶基氨基）异吲哚并合）镍（II）配合物：晶体结构，溶液和光谱性质
6. Stable fluorescent complexes of double-stranded DNA with bis-intercalating asymmetric cyanine dyes: properties and applications. [O] . H S Rye, S Yue, D E Wemmer, 1992

机译：双链DNA与双插入不对称花青染料的稳定荧光络合物：性质和应用。
7. Reaction Rate Studies of the Acid Hydrolysis of Some Chromium(III) Complexes. V. Identification of Reaction Products of the Perchloric Acid Hydrolysis of the cis- and of the trans-Diaquabis(1,2-ethanediamine)- and of the Tris(1,2-ethanediamine)chromium(III) Ions. [O] . L. Mønsted, O. Mønsted, J. Johan Lindberg, 1975

机译：一些铬（III）配合物的酸水解的反应速率研究。 V.鉴定CIS-和TRIS（1,2-乙二胺）和TRIS（1,2-乙醛）铬（III）离子的加工酸水解的反应产物。
8. Line narrowing spectroscopic studies of DNA-carcinogen adducts and DNA-dye complexes [R] . Suh, M. 1995

机译：对DNa致癌物质加合物和DNa染料复合物进行线性缩窄光谱研究

Spectroscopic studies of fluorescent dye N,N '-bis(2-hydroxy-5-methyl-benzylidene)-1,2-ethanediamine and its DNA complex in solution

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