Introduction of Functionalized Mesopores to Metal–Organic Frameworks via Metal–Ligand–Fragment Coassembly
摘要:
Introduction of functionalized mesopores into microporous metal-organic frameworks (MOFs) can endow them with suitable properties for applications in gas storage, separation, catalysis, and drug delivery. However, common methods for functionalization (including pre- and post-synthetic modifications) of the internal surface of a MOF reduce the pore size of the MOF because the additional functional groups fill up the pores. We present a metal-ligand-fragment coassembly strategy for the introduction of (meso)pores functionalized with various substituent groups on the ligand fragments. Astonishingly, this new functionalization strategy increases the pore volume of a MOF instead of reducing it. Since the ligand fragments are often readily available or easily prepared, the new procedure for synthesis of the modified MOFs becomes much easier and more applicable than existing approaches. Remarkably, mesopores can be generated conveniently and controllably by the coassembly of a ligand and its fragment containing the desired functional groups. The fragment/ligand ratio has been optimized to preserve the parent structure and to promote maximum mesopore introduction, which has led to a systematic evaluation of the effectiveness of a series of functional groups for the adsorption of guest molecules.
[EN] AZACYANINE DYES AND USE THEREOF<br/>[FR] COLORANTS D'AZACYANINE ET LEUR UTILISATION
申请人:ECOLE POLYTECHNIQUE FED LAUSANNE EPFL
公开号:WO2019180475A1
公开(公告)日:2019-09-26
The application provides fluorescent dyes, which are cyanine dyes that incorporate additional aza moieties in the indolenium heterocycles and/or in the methine chains connecting them. Symmetrical and unsymmetrical chemically reactive azacyanine dyes are described for conjugation, as well as their bioconjugates for in-vitro and in-vivo assays and fluorescence imaging.
申请人:Ecole Polytechnique Fédérale de Lausanne (EPFL)
公开号:US20180079906A1
公开(公告)日:2018-03-22
The application provides fluorescent dyes, which are cyanine dyes that incorporate additional aza moieties in the indolenium heterocycles and/or in the methine chains connecting them. Symmetrical and unsymmetrical chemically reactive azacyanine dyes are described for conjugation, as well as their bioconjugates for in-vitro and in-vivo assays and fluorescence imaging.
BACTERIAL IMAGING AGENTS AND METHODS OF USING SAME
申请人:VisEn Medical, Inc.
公开号:US20130309168A1
公开(公告)日:2013-11-21
The invention provides a family of agents that target bacterial infection, which can be used as imaging agents or therapeutic agents. The agents can be used to image sites of bacterial infection as well as other physiological processes in a subject.
Carbonic Anhydrase Targeting Agents and Methods of Using Same
申请人:Groves Kevin
公开号:US20120321563A1
公开(公告)日:2012-12-20
The invention provides agents that target carbonic anhydrase, which can be used as imaging agents or therapeutic agents. The agents can be used to image tumor hypoxia as well as other physiological processes in a subject.
Carbonic anhydrase targeting agents and methods of using same
申请人:Groves Kevin
公开号:US10221159B2
公开(公告)日:2019-03-05
The invention provides agents that target carbonic anhydrase, which can be used as imaging agents or therapeutic agents. The agents can be used to image tumor hypoxia as well as other physiological processes in a subject.