基于功能性超分子杂化材料的纳米光学传感器 tangwei

Supramolecular Chemistry
姓名： 姓名：唐 威 学号：10105133 学号： 专业：有机 专业：有机101
Topic: Functional supramolecular hybrid materials
Introduction: Functional supramolecular hybrid materials
(4)Selectivity by polarity and size
Fig. 14 Electrostatically and hydrophilicity/lipophilicitycontrolled extraction and reaction-based detection of the neurotransmitter dopamine .PLA poly(lactic acid)
Fig. 14
Summary
*Functional supramolecular hybrid material could be helpful to widen the scope of nanoparticle, and efficiently develop analysis and detection based on nanoparticle.
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*Fig. 2 Enhanced recognition of ATP with protonated aminoal-kylanthracene hosts on the MCM-41 surface
Fig. 2
Fig. 3 Preparation of BODIPY-functionalized magnetic silica nanoparticles on a nickel core and subsequent Pb2+ detection through fluorescence enhancement
*F u n ct i on al su p ram o l ecu l ar hyb r i d material is an area of research that attach functional groups to nanoparticle ,it could be helpful to widen the scope of nanoparticle, and efficiently develop analysis and detection based on nanoparticle.
Features: Functional supramolecular hybrid materials
(1)with improved sensitivity
(2)with optomized selectivity
Relevant examples will be briefly described about four functions of functional supramolecular hybrid materials
(aminopropyltriethoxysilane and a fluorescein derivative were grafted onto the surface of silica nanoparticles) Fig. 9
(3)Signalling through assembly–disassembly
Fig. 3
*Fig. 4 Magnetic and dye-labelled core–shell particles for Hg2+ detection and adsorption
Fig. 4
( 2 )Enhanced signalling by preorganization
When organic entity in appropriate surface organized in some way, not only improve Signal transmission, but also realize amplification of Signal .
Fig. 7
Fig. 8 Cu2+-amplified quenching of dansylated silica nanoparticles
Fig. 8
**Fig. 9 The Förster resonance energy transfer based silica nanoparticle sensors for TNT detection
Fig. 11 Pb2+mediated deaggregation of AuNPs and concomitant colour change
Fig. 11
Fig. 12 Reaction-based aggregation protocol for nitrite detection
Fig. 12
(1) enhanced coordination of functionalized solids (2) enhanced signalling through preorganization (3) signalling by assembly–disassembly of nanoscopic objects (4) biomimetic probes utilizing discrimination by polarity and size
Fig. 6 General scheme for amplified quenching on a nanoparticle surface densely covered with probe molecules
Fig. 6
Fig. 7 The technology for amplified Zn2+ detection
(1)Enhanced coordination and the surface chelate effect
*Fig. 1 Porphyrin–gold nanoparticle (AuNP) hybrid used for the enhanced recognition of anions
Fig. 1
On this surface of hybrid material, Non-radiative decay (blue arrows, left) competes with fluorescence (red arroomplexation leads to spectral shifts and the creation of an energy-transfer system ,show amplified emission (red arrows, right)