Article
Chemistry, Applied
Seungjoo Baek, Mohammed Iqbal Khazi, Jong-Man Kim
Summary: Chemical sensors based on stimulus-responsive chromogenic materials are important for their ability to manipulate optical properties and display vivid colors. In this study, a chromogenic poly-diacetylene (PDA) was generated through polymerization of protonated supramolecular assemblies of a diacetylene precursor. The PDA exhibited a blue color and showed a sensory response to ammonia, transitioning from blue to red and emitting fluorescence upon deprotonation. The self-assembly behavior, topochemical polymerization, and ammonia sensing properties were investigated using spectroscopic methods.
Article
Biophysics
Ruilin Zhang, Lei Liu, Wei Li, Xiaogang Luo, Fengshou Wu
Summary: In this work, iron-doped carbon dots (Fe-CDs) with peroxidase mimicking property were prepared and their application for the detection of hydrogen peroxide (H2O2) and glucose was explored. The Fe-CDs emitted intense blue luminescence and exhibited remarkable peroxidase mimicking property. A new optical dual-mode method for the detection of H2O2 and glucose was successfully established based on these properties.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Gopal Ammanath, Carla Giorgia Delachi, Soner Karabacak, Yusuf Ali, Bernhard O. Boehm, Umit Hakan Yildiz, Palaniappan Alagappan, Bo Liedberg
Summary: A simple method for colorimetric and fluorometric profiling of AGEs was reported in this study, utilizing changes in optical properties of PTs and Apts to estimate the concentrations of AGEs in plasma, and achieving distinct profiling of different AGEs through PCA analysis. The approach allows for rapid analysis of spiked AGEs in plasma samples without the need for preanalytical processing and advanced instrumentation, facilitating on-site diagnosis.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Pan Wang, Xidi Liu, Yong You, Mengxue Wang, Yumin Huang, Ying Li, Kui Li, Yuxin Yang, Wei Feng, Qiancheng Liu, Jiaqi Chen, Xulin Yang
Summary: Polyarylene ether nitrile (PEN) nanofibers functionalized with stimuli-response polydiacetylene monomer (PCDA) were successfully fabricated, exhibiting excellent thermal stability and corrosion resistance. The compatibility between PCDA and PEN-PPL was better than that between PCDA and PEN-BPA, resulting in uniform color change with temperature rise. The composite membranes showed good dimensional stability under high temperature and corrosive conditions.
Article
Chemistry, Physical
Efdal Teknikel, Canan Unaleroglu
Summary: The usability of BrBDP in colorimetric/fluorimetric determination, discrimination, and quantification was investigated, revealing its ability to distinguish amines based on their structural properties. The chemodosimeter showed high selectivity towards tested functional groups and could be used for detecting volatile amines. Furthermore, it was proven to be effective in detecting biogenic amines released from spoiled chicken meat.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Shrishti P. Pandey, Pamela Jha, Prabhat K. Singh
Summary: The study developed a fluorescence probe TO for efficient colorimetric and fluorimetric detection of Heparin, with detection limits of 19nM and 34nM respectively, and also applicable for detecting Protamine in complex detection. The sensing system showed advantages of simplicity, economic benefits, and specific detection of Heparin.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Nanoscience & Nanotechnology
Cheng Li, Jinjin Zeng, Ding Guo, Lei Liu, Liwei Xiong, Xiaogang Luo, Zhiyuan Hu, Fengshou Wu
Summary: In this study, cobalt-doped carbon quantum dots were successfully fabricated and showed excellent fluorescence and catalytic properties, enabling the detection of Fe3+ and ascorbic acid. The dual-mode method was successfully applied in fresh fruits, showcasing the potential applications of Co-CQDs in real sample detection.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Applied
Dilek Ozturk, Ipek Omeroglu, Baybars Koksoy, Cem Gol, Mahmut Durmus
Summary: In this study, two novel BODIPY compounds were synthesized and used to construct colorimetric and fluorometric paper-based pH sensors. The compounds were characterized using various analysis techniques, and their properties and performances were determined. Additionally, a simple and reliable method was developed for detecting pH changes in lemon juice.
Article
Chemistry, Multidisciplinary
Shu-Wei Chen, Xipeng Chen, Yang Li, Yalin Yang, Yuchuan Dong, Jinwen Guo, Jinyi Wang
Summary: The development of novel sensors for the detection of lead ions has attracted increasing interest due to their toxic effects on human health and the environment. In this study, two new polydiacetylene-based liposome sensors were developed for the colorimetric and fluorometric recognition of lead ions in aqueous solution. These sensors exhibited high selectivity and sensitivity, and were successfully applied to detect trace amounts of lead ions in real water samples.
Article
Nanoscience & Nanotechnology
Mohamed R. Elmasry, Samy M. Shaban, Ahmed Y. Elbalaawy, Eslam Hafez, Jihoon Shin, Soo-Yeon Cho, Dong-Hwan Kim
Summary: In this study, a dual-signal nanosensor was designed for rapid and accurate urea detection using fluorescent carbon dot nanosensors and plasmonic silver nanoparticles. The sensor showed low detection limits and reliable performance in real urine samples.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Lihong Bao, Leighton O. Jones, Ana M. Garrote Canas, Yunhan Yan, Christopher M. Pask, Michaele J. Hardie, Martin A. Mosquera, George C. Schatz, Natalia N. Sergeeva
Summary: This study introduces organic materials that can operate in both solution and gas phases and exhibit strong response behaviors to multiple environmental changes, including pH, amine, and metal ion binding/detection. The findings have been validated through various analytical and computational methods. The results demonstrate that changes in solvent polarity and pH can affect the absorption spectra, optical gap, and color of the materials. The materials show excellent reversibility and sensitivity in acid-base response and successful binding of metal ions. Additionally, paper-based sensors have been utilized to detect various amine vapors with good sensitivity.
Article
Chemistry, Physical
Parvathy O. Chandrasekaran, Ajayakumar Aswathy, Kiran James, Kannankutty Kala, Mohanan T. Ragi, Narayanapillai Manoj
Summary: In this study, a molecular chameleon with D-pi-A architecture, PRAA, was synthesized and utilized as a fluorescent sensor for toxic metal ions. Its selectivity towards Ag+, Hg2+, and Pb2+ ions can be adjusted by solvent polarity. The mechanism of binding and stoichiometry of interaction were established through experimental and theoretical methods. PRAA's potential as a probe for detecting Ag+ and Hg2+ ions in aqueous solutions using an anionic surfactant medium was convincingly demonstrated.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Yuan-Tao Huang, Min Xue, Yong Yang
Summary: The tetra(amino)azacalix[4]arene skeleton was functionalized using various aromatic aldehydes, resulting in the formation of imidazobenzimidazole fused heterocycles. Anthracenyl and pyrenyl modified imidazobenzimidazole fused azacalix[4]arenes existed as dimers in the solid state, while the tetrapyrenyl modified product served as a Zn2+-selective sensor.
CHINESE CHEMICAL LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Vanshika Sharma, Meman Sahu, Amit Kumar Manna, Dinesh De, Goutam Kumar Patra
Summary: In this study, a novel quinazolin-based Schiff base chemosensor was designed and synthesized. The chemosensor exhibited significant colorimetric and fluorometric responses to Ni2+ and Zn2+ ions, allowing for their detection and differentiation. The chemosensor also showed the ability to detect contaminated water samples.
Review
Chemistry, Multidisciplinary
Saikat Kumar Manna, Sanchita Mondal, Barnali Jana, Khokan Samanta
Summary: This review provides an overview of the development of chemosensors for tin ions, with a focus on Sn4+ and Sn2+. Comparison data, future opportunities, and current issues are also discussed.
NEW JOURNAL OF CHEMISTRY
(2022)
