A novel platform self-assembled from squaraine-embedded Zn(ii) complexes for selective monitoring of ATP and its level fluctuation in mitotic cells

The Analyst ◽  
2016 ◽  
Vol 141 (11) ◽  
pp. 3219-3223 ◽  
Author(s):  
Ruizhi Feng ◽  
Yongqian Xu ◽  
Hongwei Zhao ◽  
Xuemei Duan ◽  
Shiguo Sun
Keyword(s):  
Coordination Compound ◽  
Self Assembly ◽  
Near Infrared ◽  
Level Fluctuation ◽  
Fluorescence Response ◽  
Turn On ◽  
Self Assembled ◽  
Selective Monitoring ◽  
Multiple Interactions ◽  
Mitotic Cells

Using multiple interactions, a simple self-assembly based on a Zn(ii) coordination compound and squaraine (SQ) demonstrated a selective turn-on fluorescence response to ATP in the near infrared (NIR) region.

scholarly journals Design of Turn‐On Near‐Infrared Fluorescent Probes for Highly Sensitive and Selective Monitoring of Biopolymers

2020 ◽  
Vol 59 (22) ◽  
pp. 8440-8444 ◽  
Author(s):  
Gerard T. Ducharme ◽  
Zane LaCasse ◽  
Tanya Sheth ◽  
Irina V. Nesterova ◽  
Evgueni E. Nesterov
Keyword(s):  
Fluorescent Probes ◽  
Near Infrared ◽  
Turn On ◽  
Highly Sensitive ◽  
Selective Monitoring

Self-assembled nanofibers of perylene diimide for the detection of hypochlorite in water, bio-fluids and solid-state: exogenous and endogenous bioimaging of hypochlorite in cells

2020 ◽  
Vol 8 (1) ◽  
pp. 125-135 ◽  
Author(s):  
Kapil Kumar ◽  
Sandeep Kaur ◽  
Satwinderjeet Kaur ◽  
Gaurav Bhargava ◽  
Subodh Kumar ◽  
...  
Keyword(s):  
Solid State ◽  
Perylene Diimide ◽  
Fluorescence Response ◽  
Turn On ◽  
Self Assembled ◽  
In Cells

PDI–DAMN shows the disintegration of nanofibers into flake-like aggregates with ‘turn-on’ fluorescence response on the addition of ClO− in solid-state, bio-fluids and MG-63 cells.

Nanoparticles self-assembled from multiple interactions: a novel near-infrared fluorescent sensor for the detection of serum albumin in human sera and turn-on live-cell imaging

2016 ◽  
Vol 52 (6) ◽  
pp. 1178-1181 ◽  
Author(s):  
Xiaopeng Fan ◽  
Qingyuan He ◽  
Shiguo Sun ◽  
Hongjuan Li ◽  
Yuxin Pei ◽  
...  
Keyword(s):  
Serum Albumin ◽  
Live Cell Imaging ◽  
Near Infrared ◽  
Cell Imaging ◽  
Fluorescence Probe ◽  
Fluorescent Sensor ◽  
Living Cells ◽  
Turn On ◽  
Human Sera ◽  
Multiple Interactions

A novel pyrene-conjugated squaraine fluorescence probeSQ-Pcan self-assemble into nanoparticles, selectively detect serum albumin, and be used for imaging in living cells.

Highly selective turn-on detection of (strept)avidin based on self-assembled near-infrared fluorescent probes

RSC Advances ◽  
2015 ◽  
Vol 5 (48) ◽  
pp. 38571-38576 ◽  
Author(s):  
Qingyuan He ◽  
Xiaopeng Fan ◽  
Shiguo Sun ◽  
Hongjuan Li ◽  
Yuxin Pei ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Fluorescent Probe ◽  
Fluorescent Probes ◽  
Near Infrared ◽  
Fluorescent Dye ◽  
Turn On ◽  
Self Assembled

A small molecular fluorescent dye (SQ-Biotin) which can self-assemble into a non-fluorescent probe in aqueous solution for near infrared turn-on detection of avidin protein.

scholarly journals Design of Turn‐On Near‐Infrared Fluorescent Probes for Highly Sensitive and Selective Monitoring of Biopolymers

2020 ◽  
Vol 132 (22) ◽  
pp. 8518-8522
Author(s):  
Gerard T. Ducharme ◽  
Zane LaCasse ◽  
Tanya Sheth ◽  
Irina V. Nesterova ◽  
Evgueni E. Nesterov
Keyword(s):  
Fluorescent Probes ◽  
Near Infrared ◽  
Turn On ◽  
Highly Sensitive ◽  
Selective Monitoring

Self-assembly of a metallo-peptide into a drug delivery system using a “switch on” displacement strategy

2018 ◽  
Vol 6 (48) ◽  
pp. 8228-8237 ◽  
Author(s):  
Priyadip Das ◽  
Ieshita Pan ◽  
Ehud Cohen ◽  
Meital Reches
Keyword(s):  
Drug Delivery ◽  
Drug Delivery System ◽  
Delivery System ◽  
Self Assembly ◽  
Turn On ◽  
Delivery Platform ◽  
Self Assembled

Two newly designed tripeptides and their corresponding Cu2+ conjugates self-assemble into nanometric structures of different morphologies. These self-assembled metallo-peptide networks can serve as a drug delivery platform using a fluorescent-based "Turn-On" displacement strategy.

Nanoscale Self-Assembly Using Ion and Electron Beam Techniques: A Rapid Review

MRS Advances ◽  
2020 ◽  
Vol 5 (64) ◽  
pp. 3507-3520
Author(s):  
Chunhui Dai ◽  
Kriti Agarwal ◽  
Jeong-Hyun Cho
Keyword(s):  
Electron Beam ◽  
Self Assembly ◽  
Ion Beam ◽  
Three Dimensional ◽  
The Self ◽  
Stress Generation ◽  
Rapid Review ◽  
High Yield ◽  
3D Nanostructures ◽  
Self Assembled

AbstractNanoscale self-assembly, as a technique to transform two-dimensional (2D) planar patterns into three-dimensional (3D) nanoscale architectures, has achieved tremendous success in the past decade. However, an assembly process at nanoscale is easily affected by small unavoidable variations in sample conditions and reaction environment, resulting in a low yield. Recently, in-situ monitored self-assembly based on ion and electron irradiation has stood out as a promising candidate to overcome this limitation. The usage of ion and electron beam allows stress generation and real-time observation simultaneously, which significantly enhances the controllability of self-assembly. This enables the realization of various complex 3D nanostructures with a high yield. The additional dimension of the self-assembled 3D nanostructures opens the possibility to explore novel properties that cannot be demonstrated in 2D planar patterns. Here, we present a rapid review on the recent achievements and challenges in nanoscale self-assembly using electron and ion beam techniques, followed by a discussion of the novel optical properties achieved in the self-assembled 3D nanostructures.

Self-Assembly of a Chiral Cubic Three-Connected Net from the High Symmetry Molecules C60 and SnI4

2020 ◽  
Author(s):  
Daniel B. Straus ◽  
Robert J. Cava
Keyword(s):  
Organic Synthesis ◽  
Self Assembly ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
High Symmetry ◽  
Molecular Chirality ◽  
Chiral Materials ◽  
Self Assembled ◽  
Chiral Centers

The design of new chiral materials usually requires stereoselective organic synthesis to create molecules with chiral centers. Less commonly, achiral molecules can self-assemble into chiral materials, despite the absence of intrinsic molecular chirality. Here, we demonstrate the assembly of high-symmetry molecules into a chiral van der Waals structure by synthesizing crystals of C<sub>60</sub>(SnI<sub>4</sub>)<sub>2</sub> from icosahedral buckminsterfullerene (C<sub>60</sub>) and tetrahedral SnI4 molecules through spontaneous self-assembly. The SnI<sub>4</sub> tetrahedra template the Sn atoms into a chiral cubic three-connected net of the SrSi<sub>2</sub> type that is held together by van der Waals forces. Our results represent the remarkable emergence of a self-assembled chiral material from two of the most highly symmetric molecules, demonstrating that almost any molecular, nanocrystalline, or engineered precursor can be considered when designing chiral assemblies.

A Boronic Acid-Based Fluorescence Hydrogel for Monosaccharide Detection

2018 ◽  
Author(s):  
Suying Xu ◽  
Adam Sedgwick ◽  
Souad Elfecky ◽  
Wenbo Chen ◽  
Ashley Jones ◽  
...  
Keyword(s):  
Fluorescent Probe ◽  
Boronic Acid ◽  
Binding Constants ◽  
Strong Fluorescence ◽  
Fluorescence Response ◽  
Turn On ◽  
Fluorescence Turn On ◽  
Hydrogel System

<p>A boronic acid-based anthracene fluorescent probe was functionalised with an acrylamide unit to incorporate into a hydrogel system for monosaccharide detection<i>. </i>In solution, the fluorescent probe<b> </b>displayed a strong fluorescence turn-on response upon exposure to fructose, and an expected trend in apparent binding constants, as judged by a fluorescence response where D-fructose > D-galactose > D-mannose > D-glucose. The hydrogel incorporating the boronic acid monomer demonstrated the ability to detect monosaccharides by fluorescence with the same overall trend as the monomer in solution with the addition of fructose resulting in a 10-fold enhancement (≤ 0.25 M). <b><u></u></b></p>

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