CN107957413A - Quaternary ammoniated column [5] aromatic hydrocarbons continuously identifies the application of iron ion, fluorine ion and dihydrogen phosphate ions - Google Patents

Quaternary ammoniated column [5] aromatic hydrocarbons continuously identifies the application of iron ion, fluorine ion and dihydrogen phosphate ions Download PDF

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CN107957413A
CN107957413A CN201810040719.6A CN201810040719A CN107957413A CN 107957413 A CN107957413 A CN 107957413A CN 201810040719 A CN201810040719 A CN 201810040719A CN 107957413 A CN107957413 A CN 107957413A
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column
aromatic hydrocarbons
fluorescence
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CN107957413B (en
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姚虹
周琦
王姣
魏太保
张有明
林奇
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Northwest Normal University
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    • G—PHYSICS
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    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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    • G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6432—Quenching
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6443—Fluorimetric titration

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Abstract

The present invention provides quaternary ammoniated column [5] aromatic hydrocarbons WP5 Fe is identified in continuous fluorescence3+、F‑/H2PO4 ‑Application, i.e., be separately added into Ca into the solution of WP52+, Mg2+, Pb2+, Ni2+, Co2+, Hg2+, Zn2+, Cd2+, Ag+, Cu2+, Cr3+, Al3+, Ba2+, La3+, Eu3+, Fe3+Aqueous solution, only Fe3+The state of aggregation fluorescence of WP5 can be made to be quenched completely；Again to WP5 Fe3+System in be separately added into CN‑, I‑, F‑, Cl‑, N3 ‑, ClO4 ‑, H2PO4 ‑, HSO4 ‑, SCN‑, Br‑, OH‑Aqueous solution, only F‑And H2PO4 ‑Can recover the state of aggregation fluorescence of WP5.During above-mentioned identification ion, WP5 is to Fe3+, F‑And H2PO4 ‑It is respectively provided with very high detection sensitivity.

Description

Quaternary ammoniated column [5] aromatic hydrocarbons continuously identifies iron ion, fluorine ion and dihydrogen phosphate ions Application
Technical field
The present invention relates to a kind of application of quaternary ammoniated column [5] aromatic hydrocarbons in terms of ion detection, more particularly to quaternary ammoniated column [5] Aromatic hydrocarbons continuity identifies Fe3+And F-/H2PO4-Application, belong to ion detection technical field.
Background technology
Ferro element is one of the essential trace elements of the human body, is played an important role in cellular process.It is suitable Iron all plays an important role in body oxygen transport, cell biooxidation, DNA replication dna and cell Proliferation etc., and excessive iron meeting Cause human health problems, excessive iron can form a large amount of virose free radicals, produce oxidative damage.In recent years, detection drink Cause the concern of people with the iron ion of higher concentration in water, detected usually using development process, or measured with oxidation-reduction method, this A little detection methods need longer detection time, detection result unobvious or need to be detected by more complicated instrument.
Fluorine ion is a kind of nonmetalloid, after human body stores excessive fluorine, can cause fluorine poisoning, be mainly shown as tooth Turn yellow, leg is in X-type or O-shaped, and hunch or arm curved cannot can only be stretched, and fluorosis of bone occur when serious, or even completely lose Labour capacity and self care ability.Medicine can only alleviate the state of an illness of fluorine poisoning person, can not cure completely.Therefore, fluorine is detected Ion becomes particularly important.
Dihydrogen phosphate ions are the important components of life system, and signal transduction is played in some life process With the effect of energy storage.Therefore, the detection to dihydrogen phosphate ions has great importance.
Column aromatic hydrocarbons has shown very outstanding effect as a new class of macrocycle molecule in terms of host-guest chemistry, its Become research hotspot in self assembly behavior with the Subjective and Objective bonding action of guest molecule, and it shows ion, molecular recognition Go out superiority, but the state of aggregation fluorescence of column aromatic hydrocarbons and its application are seldom reported.
The content of the invention
The object of the present invention is to provide quaternary ammoniated column [5] aromatic hydrocarbons WP5 continuitys to identify Fe3+And F-/H2PO4-Application.
First, the structure and performance of quaternary ammoniated column [5] aromatic hydrocarbons WP5
Quaternary ammoniated column [5] aromatic hydrocarbons（WP5）Synthetic method see reference document B. Shi, D. Xia and Y. Yao.A water-soluble supramolecular polymer constructed by pillar[5]arene-based molecular recognition. Chem. Commun, 2014,50, 13932-13935.Its structural formula is as follows：
。
2nd, the state of aggregation fluorescence property of WP5
Respectively with H2O, CH3CH2OH, DMF, DMSO, CH3CN is solvent, prepares the WP5 solution of 1.0mmol.It was found that WP5 is in difference There is different fluorescence intensities, the fluorescence intensity of WP5 is most strong during using DMSO as solvent in solvent；Find at the same time with H2O is solvent When, its excitation wave is with obvious Red Shift Phenomena.As shown in Figure 1.
In addition, choose H2O, DMSO, CH3CH2OH measures the critical aggregation concentration of WP5 as solvent respectively, as a result for： H2O, DMSO, CH3CH3Critical aggregation concentration in OH is respectively 0.200mg/mL, 0.007mg/mL, 0.300mg/mL, is such as schemed （2a, 2b, 2c）It is shown.Contrast above experimental result finds that WP5 has minimum critical aggregation concentration in DMSO solution, is 0.007mg/mL。
3rd, recognition performances of the WP5 to ion
1st, recognition performances of the WP5 to metal cation
Pipette the DMSO solution for the WP5 that 50uL is prepared（2.0×10-4mol/L）In a series of spot plates, Ca is separately added into2+, Mg2+, Pb2+, Ni2+, Co2+, Hg2+, Zn2+, Cd2+, Ag+, Cu2+, Cr3+, Al3+, Ba2+, La3+, Eu3+, Fe3+Aqueous solution （0.1M）, only Fe3+The state of aggregation fluorescence of WP5 can be made to be quenched completely, and do not have this phenomenon after adding remaining cation.Its Fluorescence spectrum shows accordingly, only Fe3+The state of aggregation fluorescence of WP5 can be made to be quenched completely, such as schemed（3a）It is shown.
2、Fe3+Titration experiments
Pipette the DMSO solution of 2.0mLWP5（2.0×10-4mol/L）In colorimetric pool, Fe is gradually added into accumulation sample-adding method3+ Aqueous solution.It was found that with Fe3+Addition, absworption peaks of the main body WP5 at 440nm gradually weaken, and adds 9.5 equivalent Fe3+When Reach titration end-point, such as scheme（4a）It is shown.WP5 is calculated to Fe by the processing to titration data and using 3 σ/s methods3+'s Lowest detection is limited to：7.49×10-8M, such as schemes（4b）It is shown.Illustrate that WP5 can be to Fe3+Carry out highly sensitive specific recognition.
3、WP5-Fe3+To the recognition performance of anion
To WP5-Fe3+System in add CN-, I-, F-, Cl-, N3 -, ClO4 -, H2PO4 -, HSO4 -, SCN-, Br-, OH-It is water-soluble Liquid, wherein F-And H2PO4 -Can recover the state of aggregation fluorescence of WP5, and the addition of other anion will not make the fluorescence of the system It is remarkably reinforced, such as schemes（5）It is shown.Then F has been carried out respectively-And H2PO4 -Fluorescence titration experiment, and with 3 σ/s methods calculating Go out F-And H2PO4 -Minimum detection limit be respectively：2.53×10-8M and 5.04 × 10-8M, respectively as schemed（6）、（7）It is shown.
Brief description of the drawings
Fig. 1 is influence of the different solvents to WP5 state of aggregation fluorescence intensities；
Fig. 2 is the measure of WP5 critical aggregation concentrations in different solvents；
Fig. 3 is fluorescence identifying performances of the WP5 to metal cation；
Fig. 4 is Fe3+Fluorescence titration to WP5 and calculate minimum detection limit with 3 σ/s methods；
Fig. 5 is WP5-Fe3+Recognition performance of the system to anion；
Fig. 6 is F-To WP5-Fe3+The fluorescence titration of system and calculate minimum detection limit with 3 σ/s methods；
Fig. 7 is H2PO4 -To WP5-Fe3+The fluorescence titration of system and calculate minimum detection limit with 3 σ/s methods.
Embodiment
Pipette the DMSO solution for the WP5 that 50uL is prepared（2.0×10-4mol/L）In a series of spot plates, it is separately added into Ca2+, Mg2+, Pb2+, Ni2+, Co2+, Hg2+, Zn2+, Cd2+, Ag+, Cu2+, Cr3+, Al3+, Ba2+, La3+, Eu3+, Fe3+Aqueous solution （0.1M）, only Fe3+The state of aggregation fluorescence of WP5 can be made to be quenched completely, form WP5-Fe3+System；And add remaining cation Do not have this phenomenon afterwards, so as to reach for Fe3+Recognition effect.
Again to WP5-Fe3+System in be separately added into CN-, I-, F-, Cl-, N3 -, ClO4 -, H2PO4 -, HSO4 -, SCN-, Br-, OH-Aqueous solution, wherein F-And H2PO4 -Can recover the state of aggregation fluorescence of WP5, and the addition of other anion will not make WP5- Fe3+The Fluorescence Increasing of system, so as to reach to F-And H2PO4 -Selective recognition.

Claims (2)

1. quaternary ammoniated column [5] aromatic hydrocarbons is in continuously identification Fe3+、F-/H2PO4 -Application, the structural formula of quaternary ammoniated column [5] aromatic hydrocarbons It is as follows：
。
2. quaternary ammoniated column [5] aromatic hydrocarbons as claimed in claim 1 is in continuously identification Fe3+、F-/H2PO4 -Application, it is characterised in that： Ca is separately added into the DMSO solution of WP52+, Mg2+, Pb2+, Ni2+, Co2+, Hg2+, Zn2+, Cd2+, Ag+, Cu2+, Cr3+, Al3+, Ba2+, La3+, Eu3+, Fe3+Aqueous solution, only Fe3+The state of aggregation fluorescence of WP5 can be made to be quenched completely；Again to WP5-Fe3+Body CN is separately added into system-, I-, F-, Cl-, N3 -, ClO4 -, H2PO4 -, HSO4 -, SCN-, Br-, OH-Aqueous solution, wherein F-And H2PO4 - Can recover the state of aggregation fluorescence of WP5, and the addition of other anion will not make WP5-Fe3+The Fluorescence Increasing of system.
CN201810040719.6A 2018-01-16 2018-01-16 Application of quaternary amination column [5] arene in continuous recognition of iron ions, fluorine ions and dihydrogen phosphate ions Expired - Fee Related CN107957413B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108772027A (en) * 2018-06-20 2018-11-09 西北师范大学 The preparation and application of a kind of supramolecular organogel and its metal gel
CN110105947A (en) * 2019-05-16 2019-08-09 西北师范大学 The synthesis and application of quaternary ammoniated column [5] aromatic hydrocarbons and 2 ' 2- bibenzimidaz sigmale inclusion complexes
CN111057034A (en) * 2019-12-02 2020-04-24 西北师范大学 Coumarin functionalized pillared [5] arene and synthesis and application thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105753662A (en) * 2016-04-01 2016-07-13 西北师范大学 Pillar[5]arene and 2-hydroxy-3-naphthoic acid complex and preparation thereof and application in detecting iron ions and fluorine ions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105753662A (en) * 2016-04-01 2016-07-13 西北师范大学 Pillar[5]arene and 2-hydroxy-3-naphthoic acid complex and preparation thereof and application in detecting iron ions and fluorine ions

Non-Patent Citations (1)

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QI LIN， ET AL.: "Novel supramolecular sensors constructed from pillar[5]arene and a naphthalimide for efficient detection of Fe3+ and F- in water", 《NEW J. CHEM》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108772027A (en) * 2018-06-20 2018-11-09 西北师范大学 The preparation and application of a kind of supramolecular organogel and its metal gel
CN110105947A (en) * 2019-05-16 2019-08-09 西北师范大学 The synthesis and application of quaternary ammoniated column [5] aromatic hydrocarbons and 2 ' 2- bibenzimidaz sigmale inclusion complexes
CN110105947B (en) * 2019-05-16 2021-03-23 西北师范大学 Synthesis and application of quaternization column [5] arene and 2' 2-biphenyl benzimidazole inclusion complex
CN111057034A (en) * 2019-12-02 2020-04-24 西北师范大学 Coumarin functionalized pillared [5] arene and synthesis and application thereof

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