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Fluorescent Probes as Powerful Tools in Cancer Detection

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Analytical Chemistry".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1855

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Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research, JIS University, Kolkata 700091, West Bengal, India
Interests: prodrugs; targeted therapy; diagnostics; theranostics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recently, fluorescence modality has been an indispensable and powerful tool in the diagnosis sector. It provides spatiotemporal images of the target analytes noninvasively. Thus, small-molecule reactive fluorogenic probes used to determine short-lived reactive species in the cellular microenvironment in the pathogenic or nonpathogenic state. The key challenge is to design a probe that is nontoxic, chemo-selective, and well coordinated to detect short-lifetime biological entities within complex biological environments and that can overcome cellular background signals without negatively affecting cellular morphology.

Cancer is a multi-dimensional disease that is heterogenic in nature. It hinders the visualization of the exact nature of the tissue, and is extremely difficult to distinguish normal tissue from cancer tissue using white light. Currently, fluorescence-guided detection is considered one of the most promising approaches with improved tumor visualization efficacy. Namely, two-photon fluorescent probes, photoacoustic probes, and NIR-based fluorescent probes have been effectively utilized in cancer diagnosis. The fluorogenic probes can provide multi-abnormal components in cancer cells in a single stage that reduces the errors in the diagnosis of cancer more efficiently. Indeed, it can help to dissect tumors in the operation theater by providing distinctive tumor surfacing imaging.

Dr. Sankarprasad Bhuniya
Guest Editor

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Keywords

  • cancer detection
  • cancer cell imaging
  • ROS detection
  • enzymes in cancer cells
  • photoacoustic imaging
  • two-photon imaging
  • pH probes
  • reductase detection
  • ALP probes

Published Papers (1 paper)

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Research

11 pages, 3206 KiB  
Article
Facile Transformation from Rofecoxib to a New Near-Infrared Lipid Droplet Fluorescent Probe and Its Investigations on AIE Property, Solvatochromism and Mechanochromism
by Yongbo Wei, Wei Liu, Zexin Wang, Nannan Chen, Jingming Zhou, Tong Wu, Yuqiu Ye, Yanbing Ke, Hong Jiang, Xin Zhai and Lijun Xie
Molecules 2023, 28(4), 1814; https://doi.org/10.3390/molecules28041814 - 15 Feb 2023
Cited by 1 | Viewed by 1498
Abstract
Lipid-related cancers cause a large number of deaths worldwide. Therefore, development of highly efficient Lipid droplets (LDs) fluorescent imaging probes will be beneficial to our understanding of lipid-related cancers by allowing us to track the metabolic process of LDs. In this work, a [...] Read more.
Lipid-related cancers cause a large number of deaths worldwide. Therefore, development of highly efficient Lipid droplets (LDs) fluorescent imaging probes will be beneficial to our understanding of lipid-related cancers by allowing us to track the metabolic process of LDs. In this work, a LDs-specific NIR (λmax = 698 nm) probe, namely BY1, was rationally designed and synthesized via a one-step reaction by integrating triphenylamine (electron–donor group) unit into the structure of rofecoxib. This integration strategy enabled the target BY1 to form a strong Donor–Acceptor (D-A) system and endowed BY1 with obvious aggregation-induced emission (AIE) effect. Meanwhile, BY1 also showed observable solvent effect and reversible mechanochromatic luminescent property, which could be interpreted clearly via density functional theory (DFT) calculations, differential scanning calorimetry (DSC), powder X-ray diffraction (XPRD), and single crystal X-ray data analysis. More importantly, BY1 exhibited highly specific fluorescent imaging ability (Pearson’s correlation = 0.97) towards lipid droplets in living HeLa cells with low cytotoxicity. These results demonstrated that BY1 is a new promising fluorescent probe for lipid droplets imaging, and it might be beneficial to facilitate biological research of lipid-related cancers. Full article
(This article belongs to the Special Issue Fluorescent Probes as Powerful Tools in Cancer Detection)
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