☆ 4.8 Review

Recent advances of luminescent sensors for iron and copper: Platforms, mechanisms, and bio-applications

COORDINATION CHEMISTRY REVIEWS (2022)

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Article Chemistry, Multidisciplinary

A PET-based fluorescent probe for monitoring labile Fe(II) pools in macrophage activations and ferroptosis

Wanjin Xing et al.

Summary: A highly selective and sensitive fluorescent probe (COU-LIP-1) was developed to monitor labile iron(II) pools (LIP) using coumarin 343 as the fluorophore and 3-nitrophenylazanyl ester as both the reactive and fluorescence quenching group. The probe showed a turnon response through a photo-induced photon transfer (PET) mechanism upon Fe(II)-induced reductive cleavage of the N-O bond. It was successfully applied for monitoring labile iron(II) changes in macrophage activations and erastin-induced ferroptosis, providing a powerful tool for selectively sensing LIP under different conditions.

CHEMICAL COMMUNICATIONS (2022)

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Review Chemistry, Multidisciplinary

Molecular Probes, Chemosensors, and Nanosensors for Optical Detection of Biorelevant Molecules and Ions in Aqueous Media and Biofluids

Joana Kraemer et al.

Summary: Combining synthetic molecular probes, chemosensors, and nanosensors with innovative assay protocols can lead to the development of robust, low-cost, and fast-responding sensors applicable in biofluids. This review focuses on the development of sensors for metabolites, neurotransmitters, drugs, and inorganic ions, and the monitoring and analysis of metabolic and signaling networks in cells and organisms. The review highlights the potential applications of sensing systems that provide optical signals through dynamic covalent chemistry, supramolecular host-guest interactions, or plasmonic effects, and also encourages the development of more advanced systems.

CHEMICAL REVIEWS (2022)

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Article Chemistry, Multidisciplinary

Interfacially Super-Assembled Benzimidazole Derivative-Based Mesoporous Silica Nanoprobe for Sensitive Copper (II) Detection and Biosensing in Living Cells

Chenchen Xing et al.

Summary: Mesoporous silica nanoparticles (MSNs) functionalized with benzimidazole-derived fluorescent molecules (DHBM) were utilized for highly sensitive and selective detection of Cu2+ through a feasible interfacial superassembly strategy, showing a quenching effect on Cu2+ in aqueous solutions with a detection limit as low as 7.69x10(-8) M. The solid-state sensor demonstrated good recyclability, and the silica framework enhanced the photostability of DHBM. These findings suggest that the DHBM-MSN fluorescent sensor has great potential for practical and biomedical applications.

CHEMISTRY-A EUROPEAN JOURNAL (2022)

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Article Spectroscopy

Irreversible coumarin based fluorescent probe for selective detection of Cu2+ in living cells

Nadeem Ahmed et al.

Summary: A novel fluorescent ON probe NC-Cu was developed to trace minute levels of Cu2+ ions in the presence of various biological active species. The probe exhibited remarkable fluorescence enhancement and showed an excellent linear relationship with a detection limit of 5.8 μM for Cu2+ ions. Furthermore, NC-Cu was effectively functional in living cells to trace Cu2+ ions.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2022)

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Article Chemistry, Multidisciplinary

A salicylaldehyde benzoyl hydrazone based near-infrared probe for copper(ii) and its bioimaging applications

Jie Zhao et al.

Summary: Developing highly sensitive and selective methods for Cu2+ detection in living systems is of great significance in clinical copper-related disease diagnosis. In this study, a near infrared fluorescent probe CySBH was designed and synthesized for real-time tracking and visualization of Cu2+ in living cells, showing excellent selectivity and sensitivity.

RSC ADVANCES (2022)

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Article Chemistry, Multidisciplinary

Endogenous peroxynitrite activated fluorescent probe for revealing anti-tuberculosis drug induced hepatotoxicity

Nannan Wang et al.

Summary: The article introduces a BODIPY-based fluorescent probe that can quickly and sensitively detect and image peroxynitrite (ONOO-) in vivo. Using this probe, the researchers revealed the mechanism of liver injury induced by anti-tuberculosis drugs and achieved early diagnosis of drug-induced liver injury (DILI) by monitoring the up-regulation of ONOO- levels.

CHINESE CHEMICAL LETTERS (2022)

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Article Multidisciplinary Sciences

Copper induces cell death by targeting lipoylated TCA cycle proteins

Peter Tsvetkov et al.

Summary: Copper is an essential cofactor for all organisms, but excessive copper can lead to cell death. We found that copper-dependent cell death mechanism is different from known mechanisms, and it is related to mitochondrial respiration. Copper directly binds to lipoylated components of the tricarboxylic acid cycle, causing protein aggregation and loss of iron-sulfur cluster proteins, ultimately leading to cell death.

SCIENCE (2022)

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Review Oncology

Connecting copper and cancer: from transition metal signalling to metalloplasia

Eva J. Ge et al.

Summary: Copper is a essential nutrient with both beneficial and toxic properties to cells. Recent progress in transition metal signaling has led to new connections between researchers from different disciplines, with potential for translating basic research into clinical therapies for diseases. The relationship between copper and cancer is particularly important, with opportunities for leveraging disease vulnerabilities through copper-dependent signaling pathways.

NATURE REVIEWS CANCER (2022)

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Review Chemistry, Inorganic & Nuclear

Fluorescent probes for iron, heme, and related enzymes

Yuanqiang Sun et al.

Summary: Iron plays a crucial role in various biological functions, but both overload and deficiency can be detrimental to cells. Cells maintain the labile iron pool through specialized proteins, with the majority of biological iron stored in heme and enzymes that are important for processes like drug metabolism and hormone synthesis.

COORDINATION CHEMISTRY REVIEWS (2021)

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Review Chemistry, Multidisciplinary

Design Strategy of Fluorescent Probes for Live Drug-Induced Acute Liver Injury Imaging

Dan Cheng et al.

Summary: Drug-induced acute liver injury (DIALI) is a significant challenge, and molecular optical probes are considered potent tools for its detection. Existing challenges include signal errors and limitations in clinical applications.

ACCOUNTS OF CHEMICAL RESEARCH (2021)

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Article Chemistry, Analytical

A novel [1,2,4]triazolo[1,5-a]pyrimidine derivative as a fluorescence probe for specific detection of Fe3+ ions and application in cell imaging

Yanru Geng et al.

Summary: A novel fluorescence probe for Fe3+ with specific selectivity, rapid response, low detection limit, and the capability to identify and detect Fe3+ in the presence of strong chelating agents has been synthesized. The probe shows great potential as a bioimaging reagent and can be used to rapidly identify Fe3+ with an Id-based test paper.

ANALYTICA CHIMICA ACTA (2021)

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Article Chemistry, Multidisciplinary

Selective Detection of Cu+ Ions in Live Cells via Fluorescence Lifetime Imaging Microscopy

Martin Priessner et al.

Summary: A new optical probe based on BODIPY has been developed, which exhibits fluorescence intensity switch-on upon binding to copper(I) and can be used to visualize copper(I) pools in lysosomes of live cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Biochemical Research Methods

Selective optosensing of iron(III) ions in HeLa cells using NaYF4:Yb3+/Tm3+ upconversion nanoparticles coated with polyepinephrine

Zayakhuu Gerelkhuu et al.

Summary: The novel UCNP@PEP probe prepared by self-polymerization enables selective sensing of Fe3+ inside cells and intracellular imaging. The probe shows a good linear range and low detection limit for sensing Fe3+. Testing in human serum samples demonstrates promising sensing results for Fe3+.

ANALYTICAL AND BIOANALYTICAL CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Si-rhodamine based water-soluble fluorescent probe for bioimaging of Cu+

Xiaoyun Chai et al.

Summary: The Si-substituted rhodamine-based water-soluble fluorescent probe designed for Cu+ fluorescence imaging shows substantial affinity and selectivity. The probe exhibits outstanding water-solubility and ultrahigh sensitivity to Cu+ in physiological conditions, ensuring reliable fluorescence imaging in vivo.

CHINESE CHEMICAL LETTERS (2021)

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Article Chemistry, Multidisciplinary

Revealing HOCl burst from endoplasmic reticulum in cisplatin-treated cells via a ratiometric fluorescent probe

Shan Wang et al.

Summary: The study found a close association between ROS and ER stress, and developed a fluorescent probe ERC for detecting HOCl in the ER with high sensitivity and photostability, showing low cytotoxicity and good cell membrane permeability, successfully used for imaging study.

CHINESE CHEMICAL LETTERS (2021)

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Review Chemistry, Inorganic & Nuclear

Reaction-based fluorescent probes for Hg2+, Cu2+ and Fe3+/Fe2+

Xiaojing Nan et al.

Summary: Transition metal ions play crucial roles in medicine, life sciences, and environmental science, but some like mercury, copper, and iron ions pose serious health and environmental risks due to biomagnification. Monitoring metal ion levels in organisms and the environment is urgent, and reaction-based fluorescent probes offer higher sensitivity and selectivity than traditional methods. Research on these probes for Hg2+, Cu2+, and Fe2+/Fe2+ detection has advanced in the past decade, with potential for interdisciplinary development in the future.

COORDINATION CHEMISTRY REVIEWS (2021)

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Review Chemistry, Inorganic & Nuclear

Recent progress in the two-photon fluorescent probes for metal ions

Vinayak Juvekar et al.

Summary: Two-photon microscopy combined with two-photon fluorescent probes enables visualization of metal ion distribution in live tissues, facilitating the development of probes for metal ion detection. Recent progress between 2014 and 2020, including design strategies, history, and specific applications, was summarized in this review.

COORDINATION CHEMISTRY REVIEWS (2021)

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Review Chemistry, Inorganic & Nuclear

Metal-coordinated fluorescent and luminescent probes for reactive oxygen species (ROS) and reactive nitrogen species (RNS)

Nahyun Kwon et al.

Summary: Reactive oxygen species (ROS) and reactive nitrogen species (RNS) play crucial roles in human life, but overproduction can lead to cell damage and diseases. Researchers have developed fluorescent and luminescent probes based on metal-coordinated systems to detect and image these active species, providing valuable tools for studying their roles in signaling and pathology.

COORDINATION CHEMISTRY REVIEWS (2021)

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Article Chemistry, Applied

Mitochondria-targeted near-infrared fluorescent probe for monitoring of a Copper(I) in living cells and In vivo

Xiaoli Qian et al.

Summary: The study introduces a mitochondria-targeted near-infrared probe for sensitive and selective detection of copper(I), allowing successful imaging of copper distribution in living mice. Additionally, the probe can evaluate the therapeutic efficiency of D-penicillamine, indicating its potential for copper(I) detection and drug evaluation using NIR imaging.

DYES AND PIGMENTS (2021)

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Review Cell Biology

Ferroptosis: mechanisms, biology and role in disease

Xuejun Jiang et al.

Summary: Ferroptosis, as a form of regulated cell death driven by iron-dependent phospholipid peroxidation, has seen significant growth in research in recent years. Studies have focused on molecular mechanisms, regulation, and functions of ferroptosis, linking this cell death modality to various pathologies and proposing its roles in normal physiology and potential therapeutic targeting.

NATURE REVIEWS MOLECULAR CELL BIOLOGY (2021)

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Article Chemistry, Inorganic & Nuclear

Tracking Labile Copper Fluctuation In Vivo/Ex Vivo: Design and Application of a Ratiometric Near-Infrared Fluorophore Derived from 4-Aminostyrene-Conjugated Boron Dipyrromethene

Hongxia Xu et al.

Summary: A novel ratiometric sensor, BDPS1, was developed to detect labile copper fluctuations in animals, showing an effective design rationale for NIR ratiometric sensors for copper tracking in vivo/ex vivo. The use of BDPS1 allowed for tracking of copper changes in mice and revealed distinct labile copper increases in different organs following injection of the therapeutic agent CUTX-101.

INORGANIC CHEMISTRY (2021)

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Article Engineering, Environmental

A novel near-infrared fluorimetric method for point-of-care monitoring of Fe2+ and its application in bioimaging

Meiqing Zhu et al.

Summary: Iron is an essential trace element in the human body, and abnormal levels can lead to various diseases. A novel near-infrared fluorimetric method using a fluorescent probe called DDED has been developed for real-time monitoring and imaging of Fe2+. The method demonstrates high selectivity and sensitivity, low cytotoxicity, and potential applications in living systems and real environments.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Spectroscopy

Fabrication of fluorescent hybrid nanomaterials based on carbon dots and its applications for improving the selective detection of Fe (III) in different matrices and cellular imaging

Huijuan Cai et al.

Summary: In this study, a fluorescent hybrid nanomaterial based on an organic dye and carbon core was developed for sensitive and selective detection of Fe3+ ions. The nanomaterial can also detect Fe3+ ions in real samples, showing good biocompatibility for cellular level ion detection and imaging.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2021)

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Article Spectroscopy

A novel 1,8-naphthalimide-based Cu2+ ion fluorescent probe and its bioimaging application

Jianhua Wei et al.

Summary: The newly synthesized BHBD compound is a fluorescent probe for detecting Cu2+ ions, showing high sensitivity and selectivity. Its working mechanism is validated through a series of experiments, and it exhibits good performance in the field of bioimaging.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2021)

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Review Chemistry, Inorganic & Nuclear

Extracellular Cu2+ pools and their detection: From current knowledge to next-generation probes

Enrico Falcone et al.

Summary: The study focuses on sensors of the Cu2+ state and discusses the challenges in detecting labile and thermodynamically accessible Cu2+ using luminescent or MRI-active probes in extracellular fluids. The specificity, affinity for Cu2+, and competition with other ligands like Zn2+ play crucial roles in designing potential sensors for measuring Cu2+ accurately. However, current research shows that developing sensors capable of specifically detecting Cu2+ in biological systems remains a significant challenge.

COORDINATION CHEMISTRY REVIEWS (2021)

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Article Spectroscopy

Iron ion sensing and in vitro and in vivo imaging based on bright blue-fluorescent carbon dots

Dan Chang et al.

Summary: This study introduces an eco-friendly synthesis method for carbon dots and a label-free sensing platform for ultrasensitive Fe3+ recognition. The CDs prepared through hydrothermal strategy exhibit exceptional stability and biocompatibility, making them suitable for multicolour imaging applications.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2021)

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Article Chemistry, Multidisciplinary

Novel Fluorescent Probe toward Fe3+ Based on Rhodamine 6G Derivatives and Its Bioimaging in Adult Mice, Caenorhabditis elegans, and Plant Tissues

Jie Zhang et al.

Summary: The new fluorescent probe LXY, based on the rhodamine 6G platform, was designed to effectively recognize Fe3+ and has shown potential for bioimaging applications. Various experiments confirmed the interaction mode between LXY and Fe3+, and its ability to quantitatively and qualitatively distinguish Fe3+ on-site.

ACS OMEGA (2021)

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Article Biochemical Research Methods

A highly effective turn-on camphor-based fluorescent probe for rapid and sensitive detection and its biological imaging of Fe2+

Yueyin Liang et al.

Summary: A novel fluorescent probe CBO was synthesized for detecting Fe2+ with high sensitivity, showing excellent performance in fluorescence imaging of Fe2+ in organisms.

ANALYTICAL AND BIOANALYTICAL CHEMISTRY (2021)

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Review Chemistry, Applied

Recent progress in rational design of fluorescent probes for Fe2+and bioapplication

Yao Lu et al.

Summary: Iron is the most abundant transition metal ion in the human body, but excessive iron can produce harmful reactive oxygen species that damage cells. Fe2+ plays a crucial role in cellular function and its metabolic abnormalities are associated with various diseases, highlighting the demand for its detection.

DYES AND PIGMENTS (2021)

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Article Chemistry, Applied

An activatable AIEgen probe for in-situ monitoring and long-term tracking of ferrous ions in living cells

Liu Yang et al.

Summary: The study introduced a new AIE-based probe QM-Fe for detecting Fe2+ with promising potential for applications. The probe exhibited high selectivity and sensitivity towards Fe2+ in aqueous solution, and demonstrated superior performance in detecting endogenous and exogenous Fe2+ in living cells compared to the ACQ probe DCM-Fe.

DYES AND PIGMENTS (2021)

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Article Chemistry, Inorganic & Nuclear

A novel coumarin-based pyrazoline fluorescent probe for detection of Fe3+and its application in cells

Ying-Peng Zhang et al.

Summary: A novel coumarin-based pyrazoline fluorescent probe A was synthesized and characterized, showing a linear fluorescence response to Fe3+ with a detection limit of 1.01 x 10-7 M and good reversibility upon addition of EDTA. The optimized structure and binding mechanism between the probe and recognition ion were explained, with practical application in cell imaging.

INORGANICA CHIMICA ACTA (2021)

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Article Chemistry, Analytical

Rhodol-derived turn-on fluorescent probe for copper ions with high selectivity and sensitivity

Xiaodan Zeng et al.

Summary: A new rhodol-derived fluorescent probe 1 with high selectivity and sensitivity for Cu2+ detection was designed and synthesized. It can detect Cu2+ concentration in water samples and cell imaging experiments, showing potential for application in real environmental detection.

LUMINESCENCE (2021)

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Article Polymer Science

Light-Emitting Conjugated Organic Polymer as an Efficient Fluorescent Probe for Cu2+ Ions Detection and Cell Imaging

Yuwei Zhang et al.

Summary: LCOP-1, a type of light-emitting conjugated organic polymer with abundant butyl groups, effectively reduces the H-aggregation effect, enhances luminescence activity, and exhibits high sensitivity, selectivity, and fast response in detecting Cu2+ ions within 1 minute with a detection limit down to nanomolar levels. Additionally, the sensor can visually change color from pale-yellow to yellowish-brown when detecting Cu2+ ions, and it can detect the ions in cells without causing cytotoxicity, showcasing great potential in biological applications.

MACROMOLECULAR RAPID COMMUNICATIONS (2021)

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Article Chemistry, Analytical

Novel N-doped carbon dots prepared via citric acid and benzoylurea by green synthesis for high selectivity Fe(III) sensing and imaging in living cells

Feishi Shan et al.

Summary: The novel N-doped carbon dots (N-CDs (CA + BU)) synthesized from citric acid (CA) and benzoylurea (BU) exhibit high selectivity as a PL sensor for Fe(III) detection. Fe(III) is the only metal ion that can quench the PL of N-CDs (CA + BU). The quenching mechanism is confirmed to be dynamic quenching through extensive studies on absorption spectrum, temperature influence, and PL lifetime.

MICROCHEMICAL JOURNAL (2021)

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Article Chemistry, Analytical

Porphyrin derived dual-emissive carbon quantum dots: Customizable synthesis and application for intracellular Cu2+quantification

Yuqian Liu et al.

Summary: The synthesis of carbon quantum dots (CQDs) from 5,10,15,20-tetrakis(4-sulfophenyl) porphyrin (TSPP) and additional carbon source enables Cu2+ imaging and quantifying in living cells with ultra-high sensitivity and excellent specificity. The CQDs exhibit dual-emissive property of green and red fluorescence due to surface traps introduced by TSPP residue, and the red-to-green fluorescence ratio can be customized by tuning the molar fraction of TSPP. The nanosensor shows an extremely low limit of detection (LOD) of 37 pM and successfully excludes interference from other biological compositions, particularly Fe3+, making it a promising tool for quantifying Cu2+ in living cells.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Multidisciplinary Sciences

Fluorescence umpolung enables light-up sensing of N-acetyltransferases and nerve agents

Chenxu Yan et al.

Summary: This study presents a simple and generalizable strategy to reverse the electron-withdrawing target (EWT)-induced quenching mode in intramolecular charge transfer (ICT) fluorophores into a light-up mode by introducing an indazole building block into the ICT scaffold.

NATURE COMMUNICATIONS (2021)

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Review Chemistry, Multidisciplinary

Fluorescent kinase inhibitors as probes in cancer

Syed Muhammad Usama et al.

Summary: Fluorescent dyes attached to kinase inhibitors can be used in vitro, in cells, and in vivo, with ideal characteristics varying depending on the application. Smaller blue fluorophores are suitable for in vitro studies, while larger near infrared dyes are needed for cellular and in vivo work to overcome autofluorescence and enable observation through tissues. Innovations in the types of fluorophores used for these applications are still open for exploration.

CHEMICAL SOCIETY REVIEWS (2021)

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Article Chemistry, Multidisciplinary

AIE plus ESIPT activity-based NIR Cu2+ sensor with dye participated binding strategy

Jie Jiang et al.

Summary: A novel activity-based Cu2+ fluorescent probe with multidentate binding sites was synthesized, functioning through chelation with Cu2+ and specifically triggering hydrolysis of the probe to release near-infrared emission with AIE + ESIPT properties. The probe was capable of ratiometric imaging of Cu2+ in living HeLa cells.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

A selective and sensitive near-infrared fluorescent probe for real-time detection of Cu(i)

Yiqing Liu et al.

Summary: The disruption of copper homeostasis may lead to neurodegenerative disorders, highlighting the importance of understanding the role of Cu+ in physiological and pathological processes. A new near-infrared fluorescent turn-on probe (NPCu) was developed based on a Cu+-mediated benzylic ether bond cleavage mechanism, showing high selectivity and sensitivity towards Cu+ and successfully applied for bioimaging of Cu+ in living cells.

RSC ADVANCES (2021)

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Article Materials Science, Biomaterials

Highly fluorescent nitrogen and boron doped carbon quantum dots for selective and sensitive detection of Fe3+

Yunhao Zhang et al.

Summary: This study successfully prepared core-shell carbon quantum dots B(1)N(2)CQDs with high fluorescence quantum yield, stability, and water solubility, which can efficiently detect Fe3+ with minimal interference from other metal ions.

JOURNAL OF MATERIALS CHEMISTRY B (2021)

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Article Materials Science, Biomaterials

Fabrication of multi-functional carbon dots based on one stone, three birds strategy and their applications for the dual-mode Fe3+ detection, effective promotion on cell proliferation and treatment on ferric toxicosis in vitro

Huijuan Cai et al.

Summary: Inspired by DFO, CDs with integrated sense and treatment potential were synthesized via a one-pot hydrothermal method, showing unique chemical composition and good dispersibility for selective and sensitive detection of Fe3+, as well as excellent biocompatibility and cellular imaging capabilities.

JOURNAL OF MATERIALS CHEMISTRY B (2021)

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Article Materials Science, Biomaterials

Naphthalimide based fluorescent organic nanoparticles in selective sensing of Fe3+ and as a diagnostic probe for Fe2+/Fe3+ transition

Deblina Sarkar et al.

Summary: Fluorescent organic nanoparticles (FONPs) derived from naphthalimide-based amphiphile NID were fabricated, showing aggregation-induced emission (AIE) and intramolecular charge transfer (ICT) properties. These FONPs were used for selective sensing of Fe3+ and bioimaging within mammalian cells, with a low limit of detection and high selectivity over other metal ions. Additionally, NID FONPs showed promise as a diagnostic probe for cancer cells based on their selective sensing of Fe2+ to Fe3+ redox state transition.

JOURNAL OF MATERIALS CHEMISTRY B (2021)

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Article Chemistry, Analytical

Visualization of Dynamic Changes in Labile Iron(II) Pools in Endoplasmic Reticulum Stress-Mediated Drug-Induced Liver Injury

Lijie Wu et al.

ANALYTICAL CHEMISTRY (2020)

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Article Chemistry, Multidisciplinary

FerriIridium: A Lysosome-Targeting Iron(III)-Activated Iridium(III) Prodrug for Chemotherapy in Gastric Cancer Cells

Shi Kuang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Materials Science, Multidisciplinary

Ion recognition and fluorescent imaging of conjugated polymer fluorescent probes for Fe(III)

Lei Zheng et al.

BULLETIN OF MATERIALS SCIENCE (2020)

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Article Chemistry, Physical

Fe(III) induced fluorescent probe based on triamine and rhodamine derivatives and its applications in biological imaging

Chun Kan et al.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2020)

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Article Chemistry, Physical

A Schiff-based fluorescence sensor for the detection of Cu2+ and its application in living cells

Yi-Ru Chiou et al.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2020)

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Review Chemistry, Multidisciplinary

Fluorescent Imaging of Reactive Oxygen and Nitrogen Species Associated with Pathophysiological Processes

Ji-Ting Hou et al.

CHEM (2020)

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Article Chemistry, Analytical

In vivo imaging of Fe2+ using an easily obtained probe with a large Stokes shift and bright strong lipid droplet-targetable near-infrared fluorescence

Junrong Zheng et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Imaging of living organisms and determination of real water samples using a rhodamine-based Fe(III)-induced fluorescent probe

Chun Kan et al.

MICROCHEMICAL JOURNAL (2020)

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Article Chemistry, Multidisciplinary

A ratiometric near-infrared naphthalimide-based fluorescent probe with high sensitivity for detecting Fe2+ in vivo

Lina Huang et al.

CHINESE CHEMICAL LETTERS (2020)

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Article Chemistry, Inorganic & Nuclear

Reversible FRET Fluorescent Probe for Ratiometric Tracking of Endogenous Fe3+ in Ferroptosis

Jing Gao et al.

INORGANIC CHEMISTRY (2020)

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Article Biochemistry & Molecular Biology

Highly chemoselective turn-on fluorescent probe for ferrous (Fe2+) ion detection in cosmetics and live cells

Sabina Khatun et al.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY (2020)

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Article Chemistry, Multidisciplinary

Activity-Based Sensing with a Metal-Directed Acyl Imidazole Strategy Reveals Cell Type-Dependent Pools of Labile Brain Copper

Sumin Lee et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Spectroscopy

Adenine -stabilized carbon dots for highly sensitive and selective sensing of copper(II) ions and cell imaging

Yaxin Mu et al.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2020)

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Article Chemistry, Analytical

A sensitive Switch-on phosphorescent probe for ferrous iron quantification in drug and In vitro imaging of living cells

Sili Yi et al.

TALANTA (2020)

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Article Chemistry, Multidisciplinary

High-Throughput Screening for the Discovery of Iron Homeostasis Modulators Using an Extremely Sensitive Fluorescent Probe

Tasuku Hirayama et al.

ACS SENSORS (2020)

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A simple naphthalimide based PET probe for Fe3+ and selective detection of pyrophosphate through displacement approach: Cell imaging studies and logic interpretation

Sushil K. Dwivedi et al.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2020)

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Article Spectroscopy

Novel rhodamine probe for colorimetric and fluorescent detection of Fe3+ ions in aqueous media with cellular imaging

Muthaiah Shellaiah et al.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (2020)

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Article Chemistry, Analytical

A fluorescence imaging protocol for correlating intracellular free cationic copper to the total uptaken copper by live cells

An-Qi Zheng et al.

TALANTA (2020)

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Article Chemistry, Organic

An Off-On Near-Infrared Fluorescent Probe for Cu2+ Detection in Living Cells

Ru Fang et al.

CHINESE JOURNAL OF ORGANIC CHEMISTRY (2020)

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Article Chemistry, Multidisciplinary

A novel turn-on fluorescent probe based on naphthalimide for the tracking of lysosomal Cu2+ in living cells

Tingting Xu et al.

NEW JOURNAL OF CHEMISTRY (2020)

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Article Chemistry, Multidisciplinary

Novel rhodamine dye with large Stokes shifts by fusing the 1,4-diethylpiperazine moiety and its applications in fast detection of Cu2+

Jin Gong et al.

RSC ADVANCES (2020)

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Article Chemistry, Analytical

A hemicyanine-based turn-on fluorescent probe for the selective detection of Cu2+ions and imaging in living cells

Bai Li et al.

ANALYTICAL METHODS (2020)

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Article Chemistry, Multidisciplinary

Observation of peroxynitrite overproduction in cells during 5-fluorouracil treatment via a ratiometric fluorescent probe

Ji-Ting Hou et al.

CHEMICAL COMMUNICATIONS (2020)

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Article Chemistry, Multidisciplinary

A novel near-infrared turn-on and ratiometric fluorescent probe capable of copper(II) ion determination in living cells

Ziya Aydin et al.

CHEMICAL COMMUNICATIONS (2020)

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A near-infrared fluorescent probe based on a novel rectilinearly π-extended rhodamine derivative and its applications

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Selenium- and Tellurium-Containing Fluorescent Molecular Probes for the Detection of Biologically Important Analytes

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Untangling Amyloid-β, Tau, and Metals in Alzheimer's Disease

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Ferroptosis: An Iron-Dependent Form of Nonapoptotic Cell Death

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Fluorescent Chemosensors Based on Spiroring-Opening of Xanthenes and Related Derivatives

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Development of Highly Sensitive Fluorescent Probes for Detection of Intracellular Copper(I) in Living Systems

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Imaging of the intracellular topography of copper with a fluorescent sensor and by synchrotron x-ray fluorescence microscopy

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