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1,118 Results Found

  • Article
  • Open Access
2 Citations
2,096 Views
11 Pages

In this work, a fluorophores-assisted excitation/emission matrix (EEM) fluorescence method was proposed to trace the origin of lily in the Chinese market. There are few active components in lilies that have fluorescent signals, and too few characteri...

  • Review
  • Open Access
4 Citations
3,159 Views
17 Pages

Near-Infrared-II Fluorophores for In Vivo Multichannel Biosensing

  • Feng Ren,
  • Tuanwei Li,
  • Tingfeng Yao,
  • Guangcun Chen,
  • Chunyan Li and
  • Qiangbin Wang

The pathological process involves a range of intrinsic biochemical markers. The detection of multiple biological parameters is imperative for providing precise diagnostic information on diseases. In vivo multichannel fluorescence biosensing facilitat...

  • Review
  • Open Access
35 Citations
7,608 Views
37 Pages

22 February 2021

The synthesis of fluorine-containing small molecules has had numerous benefits of improving the quality and efficiency of many applications of these compounds. For example, fluorine adds promising functionalities in various areas of imaging (MRI, PET...

  • Review
  • Open Access
11 Citations
4,195 Views
15 Pages

6 March 2024

Milk is subjected to different industrial processes, provoking significant physicochemical modifications that impact milk’s functional properties. As a rapid and in-line method, front-face fluorescence can be used to characterize milk instead o...

  • Article
  • Open Access
19 Citations
4,193 Views
18 Pages

23 November 2020

It is known that at least some fluorophores can act as ‘surrogate’ substrates for solute carriers (SLCs) involved in pharmaceutical drug uptake, and this promiscuity is taken to reflect at least a certain structural similarity. As part of...

  • Review
  • Open Access
2,078 Views
49 Pages

20 November 2025

Over the past decade, near-infrared-II (NIR-II, 1000–1700 nm) fluorescence imaging has become a focal point in tumor imaging due to its advantages of low light scattering, weak biological autofluorescence, extraordinary penetration depth, high...

  • Review
  • Open Access
9 Citations
4,011 Views
40 Pages

14 January 2025

Donor acceptor (D-π-A) fluorophores containing a donor unit and an acceptor moiety at each end connected by a conjugated linker gained attention in the last decade due to their conjugated system and ease of tunability. These features make them goo...

  • Review
  • Open Access
2 Citations
2,343 Views
17 Pages

18 December 2024

The term “fluorescence” was first proposed nearly two centuries ago, yet its application in clinical medicine has a relatively brief history coming to the fore in the past decade. Nowadays, as fluorescence is gradually expanding into more...

  • Article
  • Open Access
12 Citations
2,372 Views
9 Pages

Spectrally Resolved Fundus Autofluorescence in Healthy Eyes: Repeatability and Topographical Analysis of the Green-Emitting Fluorophores

  • Enrico Borrelli,
  • Marco Battista,
  • Biancamaria Zuccaro,
  • Riccardo Sacconi,
  • Maria Brambati,
  • Lea Querques,
  • Francesco Prascina,
  • SriniVas R. Sadda,
  • Francesco Bandello and
  • Giuseppe Querques

27 July 2020

The aim of this study was to report normal measurements of green-emitting fluorophores in the macula of healthy young individuals and to assess the repeatability of these quantitative metrics. To do so, healthy young volunteers were imaged twice (7 &...

  • Article
  • Open Access
4 Citations
3,123 Views
15 Pages

Janus-Type AIE Fluorophores: Synthesis and Properties of π-Extended Coumarin-Bearing Triskelions

  • Masafumi Ueda,
  • Mirai Kokubun,
  • Nao Yanagi,
  • Norifumi Yamamoto and
  • Yasuhiro Mazaki

2 November 2022

Janus-type triskelion-shaped fluorophores comprising coumarins bearing various electron-donating substituents (1aad, 1add, 1ccd, and 1cdd) were successfully synthesized via an intramolecular Ullmann coupling. Density functional theory (DFT) calculati...

  • Article
  • Open Access
9 Citations
3,819 Views
14 Pages

Synthesis and Spectroscopic Characterization of Thienopyrazine-Based Fluorophores for Application in Luminescent Solar Concentrators (LSCs)

  • Xheila Yzeiri,
  • Massimo Calamante,
  • Alessio Dessì,
  • Daniele Franchi,
  • Andrea Pucci,
  • Francesco Ventura,
  • Gianna Reginato,
  • Lorenzo Zani and
  • Alessandro Mordini

7 September 2021

Organic fluorophores have found broad application as emitters in luminescent solar concentrators (LSCs) for silicon photovoltaics. In particular, the preparation of organic conjugated systems with intense light-harvesting ability, emissions in the de...

  • Article
  • Open Access
2 Citations
1,639 Views
14 Pages

18 November 2024

Organic molecular fluorophores have been extensively utilized for biological imaging in the visible and the first near-infrared windows. However, their applications in the second near-infrared (NIR-II) window remain constrained, primarily due to the...

  • Review
  • Open Access
10 Citations
5,661 Views
24 Pages

Tuning the Anti(myco)bacterial Activity of 3-Hydroxy-4-pyridinone Chelators through Fluorophores

  • Maria Rangel,
  • Tânia Moniz,
  • André M. N. Silva and
  • Andreia Leite

20 October 2018

Controlling the sources of Fe available to pathogens is one of the possible strategies that can be successfully used by novel antibacterial drugs. We focused our interest on the design of chelators to address Mycobacterium avium infections. Taking in...

  • Article
  • Open Access
18 Citations
5,097 Views
15 Pages

21 December 2021

A new fluorescent indolizine-based scaffold was developed using a straightforward synthetic scheme starting from a pyrrole ring. In this fluorescent system, an N,N-dimethylamino group in the aryl ring at the C-3 position of indolizine acted as an ele...

  • Article
  • Open Access
16 Citations
7,973 Views
16 Pages

3 September 2019

Xanthene fluorophores, including fluorescein, rhodol, and rhodamines, are representative classes of fluorescent probes that have been applied in the detection and visualization of biomolecules. “Turn on” activatable fluorescent probes, th...

  • Article
  • Open Access
6 Citations
3,893 Views
14 Pages

Red-Shifted Environmental Fluorophores and Their Use for the Detection of Gram-Negative Bacteria

  • Alicia Megia-Fernandez,
  • Maxime Klausen,
  • Bethany Mills,
  • Gillian E. Brown,
  • Heather McEwan,
  • Neil Finlayson,
  • Kevin Dhaliwal and
  • Mark Bradley

Two novel, water-soluble, merocyanine fluorophores were readily prepared by microwave-assisted synthesis. Full optical characterization was performed in a series of protic and aprotic solvents, and the dyes displayed fluorescence in the red region wi...

  • Article
  • Open Access
2,319 Views
11 Pages

Biophysical Studies of Amyloid-Binding Fluorophores to Tau AD Core Fibrils Formed without Cofactors

  • Daniela P. Freitas,
  • Joana Saavedra,
  • Isabel Cardoso and
  • Cláudio M. Gomes

15 September 2024

Tau is an intrinsically disordered protein involved in several neurodegenerative diseases where a common hallmark is the appearance of tau aggregates in the brain. One common approach to elucidate the mechanisms behind the aggregation of tau has been...

  • Article
  • Open Access
1 Citations
2,674 Views
11 Pages

A Ratiometric Fluorescent Probe for pH Measurement over a Wide Range Composed of Three Types of Fluorophores Assembled on a DNA Scaffold

  • Eiji Nakata,
  • Khongorzul Gerelbaatar,
  • Mashal Asif,
  • Hiroaki Konishi,
  • Yuya Shibano,
  • Peng Lin and
  • Takashi Morii

17 August 2023

The desirable properties of the sophisticated fluorescent pH probe are ratiometric detection properties and a wide detection range. In this study, three types of fluorophores with different fluorescence properties were assembled on a DNA origami nano...

  • Article
  • Open Access
9 Citations
3,129 Views
12 Pages

Phosphorous (V) Corrole Fluorophores for Nitrite Assessment in Environmental and Biological Samples

  • Fabrizio Caroleo,
  • Giovanni Diedenhofen,
  • Alexandro Catini,
  • Corrado Di Natale,
  • Roberto Paolesse and
  • Larisa Lvova

Two phosphorous (V) corrole complexes, [5,10,15-pentafluorophenyl corrole] phosphorous (V) (PFCorr) and [10-(4-trimethylsilylphenyl)-5,15-dimesityl-corrole] phosphorous (V) (PCorr) were synthesized and tested as nitrite-sensitive fluorophores. Fluori...

  • Article
  • Open Access
9 Citations
3,614 Views
14 Pages

Non-Cytotoxic Dibenzyl and Difluoroborate Curcuminoid Fluorophores Allow Visualization of Nucleus or Cytoplasm in Bioimaging

  • Marco A. Obregón-Mendoza,
  • Imilla I. Arias-Olguín,
  • M. Mirian Estévez-Carmona,
  • William Meza-Morales,
  • Yair Alvarez-Ricardo,
  • Rubén A. Toscano,
  • Francisco Arenas-Huertero,
  • Julia Cassani and
  • Raúl G. Enríquez

14 July 2020

Curcumin, the most important secondary metabolite isolated from Curcuma longa, is known for its numerous purported therapeutic properties and as a natural dye. Herein, based on curcumin’s intrinsic fluorescence, a search for improved curcumin-b...

  • Article
  • Open Access
11 Citations
3,015 Views
15 Pages

Synthesis and Photophysical Properties of α-(N-Biphenyl)-Substituted 2,2′-Bipyridine-Based Push–Pull Fluorophores

  • Ekaterina S. Starnovskaya,
  • Dmitry S. Kopchuk,
  • Albert F. Khasanov,
  • Olga S. Taniya,
  • Igor L. Nikonov,
  • Maria I. Valieva,
  • Dmitry E. Pavlyuk,
  • Alexander S. Novikov,
  • Grigory V. Zyryanov and
  • Oleg N. Chupakhin

13 October 2022

A series of new α-(N-biphenyl)-substituted 2,2′-bipyridines were obtained through the combination of the ipso-nucleophilic aromatic substitution of the C5-cyano group, aza-Diels–Alder and Suzuki cross-coupling reactions, starting fr...

  • Article
  • Open Access
11 Citations
4,390 Views
16 Pages

7 September 2018

Fluorophores with aggregation-induced emission enhancement (AIEE) properties have attracted more attention in recent years. In order to realise more valuable applications, the different kinds of AIEE molecules are in serious need of further developme...

  • Article
  • Open Access
2 Citations
2,060 Views
12 Pages

18 November 2023

The near-infrared (NIR) fluorescence imaging modality has great potential for application in biomedical imaging research owing to its unique characteristics, such as low tissue autofluorescence and noninvasive visualization with high spatial resoluti...

  • Article
  • Open Access
9 Citations
5,219 Views
13 Pages

Fluorophore-Assisted Click Chemistry through Copper(I) Complexation

  • Victor Flon,
  • Magalie Bénard,
  • Damien Schapman,
  • Ludovic Galas,
  • Pierre-Yves Renard and
  • Cyrille Sabot

16 April 2020

The copper-catalyzed alkyne-azide cycloaddition (CuAAC) is one of the most powerful chemical strategies for selective fluorescent labeling of biomolecules in in vitro or biological systems. In order to accelerate the ligation process and ensure effic...

  • Article
  • Open Access
1 Citations
2,553 Views
15 Pages

Identifying STEDable BF2-Azadipyrromethene Fluorophores

  • Niamh Curtin,
  • Massimiliano Garre,
  • Dan Wu and
  • Donal F. O’Shea

2 February 2023

BF2-azadipyrromethenes are highly versatile fluorophores used for cellular and in vivo imaging in the near-infrared and far-red regions of the spectrum. As of yet, their use in conjunction with super-resolution imaging methodologies has not been expl...

  • Article
  • Open Access
2 Citations
1,422 Views
14 Pages

Detection and Quantification of DNA by Fluorophore-Induced Plasmonic Current: A Novel Sensing Approach

  • Daniel R. Pierce,
  • Zach Nichols,
  • Clifton Cunningham,
  • Sean Avryl Villaver,
  • Abdullah Bajwah,
  • Samuel Oluwarotimi,
  • Herbert Halaa and
  • Chris D. Geddes

14 December 2024

We report on the detection and quantification of aqueous DNA by a fluorophore-induced plasmonic current (FIPC) sensing method. FIPC is a mechanism described by our group in the literature where a fluorophore in close proximity to a plasmonically acti...

  • Article
  • Open Access
8 Citations
2,570 Views
13 Pages

16 November 2022

Targeted tumor imaging can effectively enable image-guided surgery and precise cancer therapy. Finding the right combination of anticancer drugs and near-infrared (NIR) fluorophores is the key to targeted photothermal cancer treatment. In this study,...

  • Communication
  • Open Access
3 Citations
3,813 Views
10 Pages

In this study, we present a polymer optical fiber fluorophore/aptamer competitive assay-based cortisol sensing principle. We developed a low-cost, two-fiber perpendicular design for fluorophore-based sensing with less input light interference and hig...

  • Article
  • Open Access
6 Citations
2,432 Views
13 Pages

15 November 2022

Improving the tumor targeting of anticancer drugs to minimize systemic exposure remains challenging. The chemical conjugation of anticancer drugs with various near-infrared (NIR) fluorophores may provide an effective approach to improve NIR laser-ind...

  • Article
  • Open Access
78 Citations
11,075 Views
16 Pages

2 February 2018

Many plant tissues fluoresce due to the natural fluorophores present in cell walls or within the cell protoplast or lumen. While lignin and chlorophyll are well-known fluorophores, other components are less well characterized. Confocal fluorescence m...

  • Article
  • Open Access
1 Citations
4,455 Views
14 Pages

The endoplasmic reticulum and the internal nuclear compartments are intrinsically connected through the nuclear membrane, pores and lamina. High resolution imaging of each of these cellular features concurrently remains a significant challenge. To th...

  • Article
  • Open Access
2 Citations
3,679 Views
10 Pages

Exploiting Complex Fluorophore Interactions to Monitor Virus Capsid Disassembly

  • Swarupa Chatterjee,
  • Bram A. Schotpoort,
  • Thieme Elbert,
  • Jeroen J. L. M. Cornelissen,
  • Mireille M. A. E. Claessens and
  • Christian Blum

22 September 2021

Supramolecular protein complexes are the corner stone of biological processes; they are essential for many biological functions. Unraveling the interactions responsible for the (dis)assembly of these complexes is required to understand nature and to...

  • Review
  • Open Access
9 Citations
3,064 Views
10 Pages

Fluorophores Use in Pituitary Surgery: A Pharmacokinetics and Pharmacodynamics Appraisal

  • Daniele Bongetta,
  • Fulvio Tartara,
  • Fabio Pagella,
  • Teresa Somma,
  • Marilou Cavaliere,
  • Giuseppe Di Perna,
  • Francesco Zenga,
  • Fabio Cofano,
  • Diego Garbossa and
  • Cesare Zoia

(1) Background: Despite many surgical and technological advances, pituitary adenoma surgery is still burdened by non-negligible rates of incomplete tumor resection, mainly due to difficulties in differentiating pathology from normal pituitary tissue....

  • Article
  • Open Access
5 Citations
2,862 Views
22 Pages

BF2-Azadipyrromethene Fluorophores for Intraoperative Vital Structure Identification

  • Cathal Caulfield,
  • Dan Wu,
  • Ian S. Miller,
  • Annette T. Byrne,
  • Pól Mac Aonghusa,
  • Sergiy Zhuk,
  • Lorenzo Cinelli,
  • Elisa Bannone,
  • Jacques Marescaux and
  • Donal F. O’Shea
  • + 5 authors

25 February 2023

A series of mono- and bis-polyethylene glycol (PEG)-substituted BF2-azadipyrromethene fluorophores have been synthesized with emissions in the near-infrared region (700–800 nm) for the purpose of fluorescence guided intraoperative imaging; chie...

  • Article
  • Open Access
9 Citations
6,162 Views
10 Pages

Fabrication of a Fluorophore-Doped Cylindrical Waveguide Structure Using Elastomers for Visual Detection of Stress

  • Chie Hirose,
  • Nobuko Fukuda,
  • Takafumi Sassa,
  • Koji Ishibashi,
  • Tsuyoshi Ochiai and
  • Rei Furukawa

26 April 2019

A fiber-optic strain sensor that can show strain via color change and which can be viewed using human eyes has demand in the civil engineering field for alerting purposes. A previous sensor was fabricated using PMMA (Poly(methyl methacrylate)), which...

  • Article
  • Open Access
7 Citations
1,809 Views
15 Pages

25 August 2023

This paper presents the photophysical and biological properties of eight 3-imino-1,8-naphthalimides. The optical properties of the compounds were investigated in the solvents that differed in their polarity (dichloromethane, acetonitrile, and methano...

  • Article
  • Open Access
31 Citations
4,918 Views
13 Pages

Solid-State Highly Efficient DR Mono and Poly-dicyano-phenylenevinylene Fluorophores

  • Barbara Panunzi,
  • Rosita Diana,
  • Simona Concilio,
  • Lucia Sessa,
  • Rafi Shikler,
  • Shiran Nabha,
  • Angela Tuzi,
  • Ugo Caruso and
  • Stefano Piotto

An efficient deep red (DR)-emitting organic solid based on a dicyano-phenylenevinylene derivative was reported. The structural and spectroscopic properties of the solid have been described in terms of crystallographic data and time-dependent DFT anal...

  • Article
  • Open Access
49 Citations
7,174 Views
20 Pages

Theoretical and Experimental Investigations of Large Stokes Shift Fluorophores Based on a Quinoline Scaffold

  • Barbara Czaplińska,
  • Katarzyna Malarz,
  • Anna Mrozek-Wilczkiewicz,
  • Aneta Slodek,
  • Mateusz Korzec and
  • Robert Musiol

A series of novel styrylquinolines with the benzylidene imine moiety were synthesized and spectroscopically characterized for their applicability in cellular staining. The spectroscopic study revealed absorption in the ultraviolet–visible regio...

  • Communication
  • Open Access
13 Citations
6,301 Views
12 Pages

In Vitro Characterization and Stability Profiles of Antibody–Fluorophore Conjugates Derived from Interchain Cysteine Cross-Linking or Lysine Bioconjugation

  • Camille Martin,
  • Guillaume Brachet,
  • Cyril Colas,
  • Emilie Allard-Vannier,
  • Claire Kizlik-Masson,
  • Clara Esnault,
  • Renaud Respaud,
  • Caroline Denevault-Sabourin,
  • Igor Chourpa and
  • Nicolas Joubert
  • + 2 authors

2 December 2019

Fluorescent labelling of monoclonal antibodies (mAbs) is classically performed by chemical bioconjugation methods. The most frequent labelling technique to generate antibody–fluorophore conjugates (AFCs) involves the bioconjugation onto the mAb...

  • Article
  • Open Access
2 Citations
2,731 Views
12 Pages

Effect of Polymer Composition on the Optical Properties of a New Aggregation-Induced Emission Fluorophore: A Combined Experimental and Computational Approach

  • Alberto Picchi,
  • Qinfan Wang,
  • Francesco Ventura,
  • Cosimo Micheletti,
  • Jesse Heijkoop,
  • Francesco Picchioni,
  • Ilaria Ciofini,
  • Carlo Adamo and
  • Andrea Pucci

24 August 2023

Nowadays, fluorophores with a tetraphenylethylene (TPE) core are considered interesting due to the aggregation-induced emission (AIE) behavior that enables their effective use in polymer films. We propose a novel TPE fluorophore (TPE-BPAN) bearing tw...

  • Article
  • Open Access
7 Citations
6,326 Views
13 Pages

24 September 2012

Single-molecule fluorescence spectroscopy has now been widely used to investigate complex dynamic processes which would normally be obscured in an ensemble-averaged measurement. In this report we studied photophysical behaviors of single fluorophores...

  • Article
  • Open Access
4 Citations
3,264 Views
13 Pages

Novel Dicyano-Phenylenevinylene Fluorophores for Low-Doped Layers: A Highly Emissive Material for Red OLEDs

  • Rosita Diana,
  • Barbara Panunzi,
  • Francesco Marrafino,
  • Stefano Piotto and
  • Ugo Caruso

25 October 2019

Two efficient deep red (DR)-emitting organic dicyano-phenylenevinylene derivatives with terminal withdrawing or donor groups were synthesized. The spectroscopic properties of the neat solids and the low-doped layers in polystyrene or polyvinylcarbazo...

  • Article
  • Open Access
4 Citations
2,604 Views
13 Pages

Serotonin-Derived Fluorophore: A Novel Fluorescent Biomaterial for Copper Detection in Urine

  • Mariagrazia Lettieri,
  • Simona Scarano,
  • Laura Caponi,
  • Andrea Bertolini,
  • Alessandro Saba,
  • Pasquale Palladino and
  • Maria Minunni

10 March 2023

We took advantage of the fluorescent features of a serotonin-derived fluorophore to develop a simple and low-cost assay for copper in urine. The quenching-based fluorescence assay linearly responds within the concentration range of clinical interest...

  • Article
  • Open Access
2 Citations
2,673 Views
11 Pages

Controlled Assembly of Fluorophores inside a Nanoliposome

  • Hiroaki Konishi,
  • Eiji Nakata,
  • Futa Komatsubara and
  • Takashi Morii

16 January 2023

Cellular compartmentalization plays an essential role in organizing the complex and multiple biochemical reactions in the cell. An artificial compartment would provide powerful strategies to develop new biochemical tools for material production and d...

  • Article
  • Open Access
1 Citations
1,188 Views
12 Pages

27 February 2025

We report on the recent advancements in the sensing of proteins, both directly and with the use of a fluorescent probe, through the use of Fluorophore-Induced Plasmonic Current (FIPC). FIPC are a phenomenon where a fluorophore or excited state specie...

  • Article
  • Open Access
7 Citations
2,867 Views
13 Pages

Application of Boroisoquinoline Fluorophores as Chemodosimeters for Fluoride Ion and Pd (0)

  • Dénes Sóvári,
  • György Miklós Keserű and
  • Péter Ábrányi-Balogh

2 January 2020

The development of novel chemodosimeters is currently a prosperous field in organic chemistry. Recently, a new family of fluorophores, the boroisoquinolines, were introduced with satisfying photophysical properties. As a continuation of this research...

  • Technical Note
  • Open Access
10 Citations
7,618 Views
11 Pages

Immunofluorescence staining has become an essential tool in pathology and biomedical sciences to identify rare cells, cell–cell interactions, and submicroscopic cellular components. Many experimental settings, however, suffer from the fact that tradi...

  • Article
  • Open Access
10 Citations
3,391 Views
13 Pages

Reversible Aggregation of Molecular-Like Fluorophores Driven by Extreme pH in Carbon Dots

  • Stefania Mura,
  • Luigi Stagi,
  • Robert Ludmerczki,
  • Luca Malfatti and
  • Plinio Innocenzi

18 August 2020

The origin of carbon-dots (C-dots) fluorescence and its correlation with the dots structure still lack a comprehensive model. In particular, the core-shell model does not always fit with the experimental results, which, in some cases, suggest a molec...

  • Communication
  • Open Access
3 Citations
2,351 Views
9 Pages

Synthesis of a Single Benzene-Based Fluorophore for Selective Recognition of Al Ions

  • Yena Lee,
  • Eunbee Cho,
  • Seonyoung Jo,
  • Dong Hoon Lee and
  • Taek Seung Lee

Though 2,5-dihydroxyterephthalic acid (DHT) is composed of a single benzene molecule, it is blue-emissive in common organic solvents and in the solid state. Like most organic fluorophores, DHT is not soluble in water, which limits its versatile use i...

  • Article
  • Open Access
19 Citations
4,322 Views
13 Pages

10 August 2021

We report, for the first time, a new red-emitting hybrid material based on a single-benzene-based fluorophore (SBBF) and silica. This robust formulation shows several features, including bright emissions at a red wavelength (>600 nm), high scalabi...

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