Multistimuli-responsive azobenzene nanofibers with aggregation-induced emission enhancement characteristics.

Chem Commun (Camb)

Department of Molecular Design & Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.

Published: December 2014

A new azobenzene-based chromophore was synthesized to create one-dimensional (1D) nanofibers with aggregation-induced emission enhancement characteristics. The enhanced red fluorescence of the fibrous structures can be switched off via mechanical pressure, friction, or heat by pressing, rubbing, or annealing.

Download full-text PDF

Source
http://dx.doi.org/10.1039/c4cc06938bDOI Listing

Publication Analysis

Top Keywords

nanofibers aggregation-induced
8
aggregation-induced emission
8
emission enhancement
8
enhancement characteristics
8
multistimuli-responsive azobenzene
4
azobenzene nanofibers
4
characteristics azobenzene-based
4
azobenzene-based chromophore
4
chromophore synthesized
4
synthesized create
4

Similar Publications

Increasing attention has been paid to the detection of explosives due to the occurrence of terrorist attacks around the world. Here, we used free radical polymerization to develop two different types of fluorescent copolymers for use in detecting picric acid. One exhibits aggregation-caused quenching (ACQ) and is called PNNS [poly (-isopropyl acrylamide---hydroxymethyl acrylamide --styrene-pyrene), poly (NIPAAm--NMA--St-Py)].

View Article and Find Full Text PDF

A near-infrared fluorescent probe with assembly/aggregation-induced retention effect for specific diagnosis of metastasis and image-guided surgery in breast cancer.

Biosens Bioelectron

January 2025

Frontiers Science Center for New Organic Matter, Engineering & Smart Sensing Interdisciplinary Science Center, MOE Key Laboratory of Bioactive Materials, and College of Life Sciences, Nankai University, Tianjin, 300350, China. Electronic address:

Image-guided surgery is crucial for achieving complete tumor resection, reducing postoperative recurrence and improving patient survival. However, current clinical near-infrared fluorescent probes, such as indocyanine green (ICG), face two main limitations: 1) lack of active tumor targeting, and 2) short retention time in tumors, which restricts real-time imaging during surgery. To address these issues, we developed a near-infrared fluorescent probe capable of in situ nanofiber formation within tumor lesions.

View Article and Find Full Text PDF

Room Temperature Phosphorescent Nanofiber Membranes by Bio-Fermentation.

Adv Sci (Weinh)

September 2024

School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, Clinical Translational Research Center of Aggregation-Induced Emission, School of Medicine, The Second Affiliated Hospital, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong, 518172, P. R. China.

Stimuli-responsive materials exhibiting exceptional room temperature phosphorescence (RTP) hold promise for emerging technologies. However, constructing such systems in a sustainable, scalable, and processable manner remains challenging. This work reports a bio-inspired strategy to develop RTP nanofiber materials using bacterial cellulose (BC) via bio-fermentation.

View Article and Find Full Text PDF

Peptide-AIE Nanofibers Functionalized Sutures with Antimicrobial Activity and Subcutaneous Traceability.

Adv Mater

July 2024

National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.

As one of the most widely used medical devices, sutures face challenges related to surgical site infections (SSIs) and lack of subcutaneous traceability. In the present study, a facile and effective approach using peptide-AIE nanofibers (NFs-K18) to create fluorescent-traceable antimicrobial sutures, which have been applied to four commercially available sutures is developed. The functionalized sutures of PGAS-NFs-K18 and PGLAS-NFs-K18 exhibit fluorescence with excellent penetration from 4 mm chicken breasts.

View Article and Find Full Text PDF
Article Synopsis
  • Negative immune signals and low immunogenicity allow cancer cells to evade the immune system; blocking CXCR4 enhances T cell infiltration and effectiveness of anti-PD-L1 therapy.
  • pH-responsive nanomaterials (APAB) carrying therapeutic agents respond to the acidic tumor environment, increasing their potency and targeting ability while remaining stable for over 96 hours.
  • Combined treatment with APAB and photothermal therapy effectively suppressed tumor growth in mice and reduced metastasis, suggesting a promising approach for future cancer immunotherapy developments.
View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!