Article
Spectroscopy
Shen Zhang, Zhuo Wang, Wenyu Yan, Yuyu Guo
Summary: Fluorescent copper nanoclusters were utilized for the detection of luteolin with excellent performance. The water-soluble Cu NCs, prepared through a facile method, showed good stability and efficient selective quenching by luteolin.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Article
Spectroscopy
Zhifeng Cai, Liangliang Wu, Kaifei Qi, Chenhua Deng, Caifeng Zhang
Summary: A green method using GSH and ascorbic acid was developed to prepare Cu nanoclusters, which showed good water solubility, stability, and dispersibility. The method can be used for furazolidone detection in bovine serum and provides a rapid, easy, and ultra-sensitive fluorescence platform.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Article
Chemistry, Physical
Shen Zhang, Yuzhe Li, Chenglu Fan, Jinqi Liu, Yuyu Guo
Summary: In this study, copper nanoclusters (Cu NCs) were synthesized successfully through a one-pot strategy by protecting glutathione (GSH) and reducing ascorbic acid (AA). The probe showed excellent stability and was able to detect nitrofurazone. The fluorescence of GSH-Cu NCs was quenched by nitrofurazone, and there was a good linear relationship between the concentration of nitrofurazone and the quenching. GSH-Cu NCs demonstrated superior selectivity towards nitrofurazone due to static quenching and inner filter effect (IFE) mechanism. Furthermore, satisfactory results were obtained for nitrofurazone detection in bovine serum. The sensor provided a better detection platform for nitrofurazone with superior fluorescence properties.
CHEMICAL PHYSICS LETTERS
(2023)
Article
Chemistry, Analytical
Hongding Zhang, Bei-Bei Tao, Ning-Ning Wu, Lin-Ge Chen, Hai -Bo Wang
Summary: A novel fluorescent sensing strategy using highly luminescent glutathione-stabilized copper nanoclusters (GSH-CuNCs) as fluorescent probe was successfully established for the detection of alkaline phosphatase activity (ALP). The GSH-CuNCs were synthesized with GSH as stabilizer and ascorbic acid (AA) as reductant. The optical properties of GSH-CuNCs were investigated, and its sensing ability for AA and ALP were explored.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Analytical
Li Pu, Mengfan Xia, Pengyue Sun, Yaodong Zhang
Summary: A novel and convenient method based on BSA-AuNCs for the ratiometric fluorescence detection of ALP activity was proposed, utilizing the inner filter effect and dual emission mechanism to achieve sensitive detection. The study demonstrated good linearity and high sensitivity in detecting ALP activity, showcasing successful applications for investigating ALP inhibitors and detecting ALP in serum samples.
Article
Chemistry, Analytical
Jincheng Xiong, Shuai Zhang, Linqian Qin, Wenchong Shan, Boyan Sun, Jianzhong Shen, Haiyang Jiang
Summary: Developing a simple and powerful method for monitoring enzyme activity is crucial for early disease diagnosis. The authors designed a precise fluorescent sensing platform for detecting alkaline phosphatase (ALP) based on the spectral overlap-triggered inner filter effect (IFE). With rational screening, they found that arginine surface-engineered gold nanoclusters (Arg/ATT-AuNCs) exhibited high quantum yield and perfect spectral overlap, achieving ultrasensitive detection of ALP. The accuracy and reliability of this method were confirmed in real human serum samples, providing a promising platform for ALP monitoring.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Chemistry, Multidisciplinary
Shen Zhang, Rumiao Cui, Qingkai Zhao, Yuyu Guo
Summary: In this study, water-soluble copper nanoclusters were prepared and used for selective detection of barbaloin. The probe showed fluorescence quenching in the presence of barbaloin and exhibited a linear relationship with barbaloin concentrations. Satisfactory recovery experiments were achieved in bovine serum samples.
Article
Chemistry, Analytical
Ting Zhu, Jinyang Chen, Qingli Chai, Shasha Zeng, Yucheng Liu
Summary: This study presents a novel and stable fluorescent sensor based on the wavelength shift of copper nanoclusters (CuNCs) as signal readout. By introducing manganese ion (Mn2+), the fluorescence wavelength of CuNCs could be precisely tuned, and it is demonstrated that wavelength readout is more stable than intensity readout. A stable sensor for sensitive alkaline phosphatase (ALP) detection is constructed based on this principle, and consistent results with clinical test data are obtained in real serum samples.
ANALYTICA CHIMICA ACTA
(2022)
Article
Chemistry, Analytical
Ying Zhou, Xiaoyu Shi, Liang Ma, Yaqin Chai, Ruo Yuan
Summary: In this study, an electrochemiluminescence (ECL) biosensor is developed for simultaneous and ultrasensitive detection of glutathione (GSH) and copper ion (Cu2+), using thiol stabilized gold nanoclusters (Au NCs) as a highly efficient ECL emitter. The study reveals that thiol-Au NCs exhibit exceptional ECL performance over amino-Au NCs due to fast electron transfer. The ECL biosensor achieves trace detection of GSH with a detection limit of 148 pM and Cu2+ with a detection limit of 91.5 fM, providing a definite direction for obtaining ultra-bright ECL metal NCs for multiple biomarker testing and expanding their application in clinical diagnosis.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Chemistry, Analytical
Chintankumar Chauhan, Vinita Bhardwaj, Suban K. Sahoo
Summary: The red-emitting BSA-stabilized copper nanoclusters were used for the detection of vitamin B-6 cofactors and nitroaromatics. The fluorescence profile of BSA-CuNCs was changed by the addition of cofactors, and the conjugated BSA-CuNCs showed selective fluorescence response towards pyridoxal at lower concentration. Furthermore, the fluorescence of conjugated BSA-CuNCs was selectively quenched with the addition of nitroaromatics.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Analytical
Minting Li, Nengwu Zhu, Wen Zhu, Sihai Zhang, Fei Li, Pingxiao Wu, Xinyu Li
Summary: Tetracyclines, cheap and broad-spectrum antibiotics, need to be strictly monitored to prevent ecosystem disorders and resistance gene proliferation. In this study, PEI-OVA-AuNCs with higher fluorescence intensity and quantum yield were successfully synthesized and applied for sensitive fluorescent detection of tetracycline antibiotics. The method showed linear fluorescence quenching with tetracycline concentration and could detect oxytetracycline and chlortetracycline with high correlation coefficients above 0.99.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Analytical
Rong-Mei Kong, Peihua Li, Xinyue Ge, Yan Zhao, Weiheng Kong, Mei-Hao Xiang, Lian Xia, Fengli Qu
Summary: A new ratiometric fluorescent probe based on Ce3+-CuNCs with AIE feature and CDs was developed for efficient determination of ALP. The probe exhibited a good linear relationship and low detection limit, enabling accurate quantification of ALP concentrations.
Article
Chemistry, Physical
Xian-song Wang, Shen Zhang
Summary: A platform for sensitive fluorescence sensing of morin was developed using copper nanoclusters, which showed good linear response and low detection limit. The platform also demonstrated practical applications in temperature sensing.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Spectroscopy
Minglu Zhang, Yi Zhang, Zhi-feng Cai
Summary: Development of efficient sensors for ellagic acid analysis is crucial for ensuring food safety and human health. In this study, a simple and rapid fluorescent probe based on histidine protected copper nanoclusters was developed for highly selective and sensitive measurement of ellagic acid in real samples.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Spectroscopy
Tengfei Wang, Wei Liu, Shiyao Tian, Dating Tian
Summary: Red fluorescent copper nanoclusters (DPA@CuNCs) were synthesized using D-penicillamine as a reducing agent and stabilizer. The synthesized products were characterized using various techniques and exhibited a bright red fluorescence with a quantum yield of 5.8% when excited at 280 nm. The fluorescence of DPA@CuNCs was effectively quenched by oxytetracycline (OTC), enabling its trace detection and a paper-based sensor was developed for the visual detection of OTC.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Chemistry, Analytical
Nan Chen, Zhichao Feng, Fei Li, Haibo Wang, Ruqin Yu, Jianhui Jiang, Lijuan Tang, Pengfei Rong, Wei Wang
Summary: This study proposes a novel modeling strategy based on YOLOv3 for automatic localization and quantification of radiographic knee osteoarthritis. The model achieves significant improvements in knee osteoarthritis grading accuracy and provides fast image processing and clinical decision support.
ANALYTICAL METHODS
(2023)
Article
Chemistry, Analytical
Hongding Zhang, Sifei Wu, Zhenhua Xing, Jiaxin Wang, Hai-Bo Wang, Linxia Fang
Summary: In this study, fluorescent polydopamine nanoparticles (PDs) were synthesized and showed good optical properties. The fluorescence of PDs was quenched by Ag+ and restored by the addition of glutathione (GSH). A fluorescence turn on-off-on strategy was constructed for Ag+ and GSH using PDs as the probe. The system exhibited good performance for Ag+ and GSH, with low limits of detection. The application of this method in determining GSH in human serum was demonstrated. This work expands the application of PDs in biological analysis.
ANALYTICAL LETTERS
(2023)
Article
Biochemical Research Methods
Sifei Wu, Linxia Fang, Yihan Li, Hai-Bo Wang, Hongding Zhang
Summary: In this study, a fluorescence turn on-off-on strategy was developed for the rapid and sensitive detection of Sn2+ and glycine. Carbon nanodots were synthesized and used as fluorescent probes. The fluorescence of carbon nanodots was quenched by Sn2+ but recovered in the presence of glycine. The method showed good linear relationships and low limits of detection for both Sn2+ and glycine. The assay was successfully applied for glycine detection in human serum samples.
JOURNAL OF FLUORESCENCE
(2023)
Article
Chemistry, Analytical
Ning-Ning Wu, Lin-Ge Chen, Min-Zhi Xiao, Rong-Yao Yuan, Hai-Bo Wang
Summary: A fluorescent method utilizing the electrostatic interactions between cationic polyelectrolytes and ssDNA templated AuNCs is developed for trypsin determination. The incorporation of PDDA improves the fluorescence emission of ssDNA-AuNCs with excitation/emission maxima at 280/475 nm. The method shows good sensitivity and a linear response range of 5-60 ng·mL(-1) with a detection limit of 1.5 ng·mL(-1) for trypsin determination.
Article
Chemistry, Analytical
Lin-Ge Chen, Lu Sun, Ning-Ning Wu, Bei-Bei Tao, Hai-Bo Wang
Summary: An ultrasensitive split-type fluorescent immunobiosensor has been developed based on a cascade signal amplification strategy using chemical redox-cycling and Fenton-like reaction. The strategy enables ultrasensitive detection of the target analyte in the immunoassay.
ANALYTICA CHIMICA ACTA
(2023)
Article
Instruments & Instrumentation
Ning-Ning Wu, Lin-Ge Chen, Hai-Bo Wang
Summary: A sensitive fluorescent sensor for the determination of tetracycline (TC) has been developed using adenine thymine (AT)-rich single-stranded DNA (ssDNA) templated copper nanoclusters (CuNCs) as a fluorescent probe. The synthesized ssDNA-CuNCs exhibited strong fluorescence with a large Stokes shift (240 nm) and stable emission. The sensor showed sensitive detection of TC with a linear range from 2 nM to 30 mu M and a low limit of detection of 0.5 nM, making it suitable for TC detection in milk samples.
APPLIED SPECTROSCOPY
(2023)
Article
Chemistry, Physical
Hongding Zhang, Sifei Wu, Yihan Li, Beibei Tao, Ningning Wu, Hai -Bo Wang, Linxia Fang
Summary: In this paper, Ru@SiO2 NPs were synthesized and used as a fluorescent probe. SiO2 nanoparticles were used as carriers to prevent the leakage of probe. Triangular Ag nanoparticles were prepared as quenchers to construct a quenching system (Ru@SiO2-T-Ag NPs) with Ru@SiO2 NPs by inner filter effect. This method provides a new way for the fluorescent analysis of thiol biomolecules.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Electrochemistry
Zhiguo Gao, Ping Xue, Haibo Wang, Yancong Wu, Keren Shi
Summary: Formaldehyde in water can be effectively degraded and electricity can be generated using microbial fuel cell technology. A novel composite anode M-Co3O4-PEDOT-GF exhibited excellent electricity generation performance and formaldehyde degradation. Pseudomonadales and Rhizobiales were the dominant microorganisms.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2023)
Article
Chemistry, Analytical
Hongding Zhang, Bei-Bei Tao, Ning-Ning Wu, Lin-Ge Chen, Hai -Bo Wang
Summary: A novel fluorescent sensing strategy using highly luminescent glutathione-stabilized copper nanoclusters (GSH-CuNCs) as fluorescent probe was successfully established for the detection of alkaline phosphatase activity (ALP). The GSH-CuNCs were synthesized with GSH as stabilizer and ascorbic acid (AA) as reductant. The optical properties of GSH-CuNCs were investigated, and its sensing ability for AA and ALP were explored.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Analytical
Hongding Zhang, Sifei Wu, Zhixiao Song, Linxia Fang, Hai -Bo Wang
Summary: As a potential biomarker, the level of methylated DNA undergoes changes in the early stage of cancer, making it a promising candidate for early cancer diagnosis. This study introduces a tannic acid-accelerated Fenton chemical reaction amplification approach for ultrasensitive fluorescent detection. Tannic acid acts as a reductant to accelerate the Fenton reaction by converting Fe3+/Fe2+, resulting in the continuous generation of hydroxyl radicals (dot OH). These radicals oxidize non-fluorescent terephthalic acid (TA) to fluorescent-emitting hydroxy terephthalic acid (TAOH), significantly enhancing the fluorescent signal and improving sensitivity by nearly 116 times. The proposed strategy is further applied to detect DNA methylation using liposomes encapsulated with tannic-Fe3+ complexes, resulting in a detection limit of 1.4 fM.
Article
Chemistry, Analytical
Lu Sun, Lin-Ge Chen, Hai-Bo Wang
Summary: An ultrasensitive fluorescent biosensor for glucose detection is developed using a Fenton-like reaction triggered chemical redox-cycling signal amplification strategy. The strategy allows for self-sustaining chemical redox-cycling reaction and remarkable fluorescent enhancement, enabling the detection of glucose with high sensitivity.
Article
Chemistry, Analytical
Hongding Zhang, Sifei Wu, Zhenhua Xing, Hai-Bo Wang
Summary: In this study, alkaline phosphatase (ALP)-assisted chemical redox cycling was used to amplify the sensitivity of fluorescence affinity assays for DNA methylation detection. By using Ru@SiO2@MnO2 nanocomposites as fluorescent probes, a sensitive detection limit down to 2.9 fM was achieved for DNA methylation detection, which was superior to conventional affinity assays.
Article
Spectroscopy
Tao Bei-bei, Wu Ning-ning, Wang Hai-bo
Summary: A simple, highly sensitive and highly selective fluorescence sensor based on glutathione-stabilized copper nanoclusters (GSH-CuNCs) has been developed for the detection of rutin. The sensor showed good linear range and detection limit, and exhibited excellent fluorescence response to rutin with high selectivity even in the presence of interfering substances.
SPECTROSCOPY AND SPECTRAL ANALYSIS
(2023)
Article
Chemistry, Analytical
Hongding Zhang, Sifei Wu, Zhenhua Xing, Hai-Bo Wang
Summary: This work presents a sensitive affinity assay for DNA methylation detection by employing alkaline phosphatase (ALP)-assisted chemical redox cycling and Ru@SiO2@MnO2 nanocomposites as fluorescent probes. The proposed method achieves a low detection limit and superior performance compared to conventional methods, indicating great potential for the analysis of tumor-specific genes.
Article
Spectroscopy
Ou Li-juan, Li Jing, Zhang Chao-qun, Luo Jian-xin, Wei Ji, Wang Hai-bo, Zhang Chun-yan
Summary: A novel fluorescent assay using gold nanoclusters as a probe has been proposed for the simultaneous detection of H2O2 and glucose. The method shows high selectivity and sensitivity, and has potential applications in clinical diagnosis and food analysis.
SPECTROSCOPY AND SPECTRAL ANALYSIS
(2022)
Article
Spectroscopy
Zh. E. Ozbekova, A. A. Abdyldaev, A. A. Kulmyrzaev
Summary: This study compared two drying methods for cow and yak muscles, finding that freeze drying caused less discoloration. Additionally, analysis of fluorescence spectra allowed for accurate prediction of chemical composition and color characteristics of the muscles.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Leo Mandic, Ivan Ljubic, Iva Dzeba
Summary: In this study, a combined experimental and computational approach was used to investigate the photoexcitation and photodegradation mechanisms of Doxazosin (DOX). The results provide valuable insights into the primary events following the photoexcitation of DOX and its potential applications.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Xiufeng Wang, Yao Jin, Wenhui Ai, Siqi Wang, Zhiqing Zhang, Ting Zhou, Fang Wang, Guodong Zhang
Summary: This study successfully synthesized near infrared fluorescence Ag2S quantum dots (QDs) and developed a dual-mode sensor for sulfide anion using the excellent oxidase-like characteristics of manganese dioxide (MnO2) nanosheets. The sensor showed a wider detection range, higher sensitivity, and shorter reaction time, making it suitable for highly selective detection of sulfide in different concentration ranges.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Yafei Li, Yanming Ma, Chuantao Zheng, Di Yu, Lien Hu, Shuo Yang, Fang Song, Yadan Li, Shuanghai Liu, Zhanrui Zhang, Yu Zhang, Yiding Wang, Frank K. Tittel
Summary: To effectively monitor gas explosion and coal spontaneous combustion in coal mine, an intrinsically safe and explosion-proof dual-gas sensor system was developed for methane (CH4) and carbon monoxide (CO) measurement. The system achieved different measurement ranges using laser scanning and gas cells, and improved stability and accuracy through gas pre-treatment and temperature compensation algorithm.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Pei-Rong Chen, Li-Kang Chu
Summary: In this study, the hydrates of glyoxal were investigated using infrared absorption spectrometry. The results showed that at low concentrations, glyoxal mainly exists as monomeric dihydrate. These findings provide suitable detection windows for further research on the roles of glyoxal and its hydrates in atmospheric and aerosol chemistry, as well as the relevant reaction kinetics.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Nichole O'Neill, Thamires A. Lima, Fabio Furlan Ferreira, Nicolas J. Alvarez, Reinhard Schweitzer-Stenner
Summary: This study determines the main fibril axis of GHG gel-forming fibrils using various techniques and compares the results with simulated data. The analysis suggests that the hydrophobic xz-surfaces of GHG fibrils could be a good target for the adsorption of hydrophobic drugs.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Mengyuan Liu, Hanchuang Zhu, Yikun Fang, Caiyun Liu, Xinke Li, Xiaohui Zhang, Lixue Ma, Kun Wang, Miaohui Yu, Wenlong Sheng, Baocun Zhu
Summary: ABHS is an efficient fluorescent probe that can accurately and sensitively detect Al3+ with strong resistance to interference. It also demonstrates excellent detection and imaging capabilities in complex real samples.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Ahmed S. El-Shafie, Evana Rahman, Yasser Gadelhak, Rehab Mahmoud, Marwa El-Azary
Summary: The recycling of waste mandarin peels into biochar (MRBC) has been used as a high performance and cost-effective adsorbent for treating polluted wastewater effluents. Batch adsorption studies were conducted to analyze the adsorption competency of MRBC on two dyes, methylene blue (MB) and basic fuchsin (BF), either in individual solutions or binary combinations. The results showed that MRBC was capable of effectively removing a high percentage of both dyes. However, the adsorption capacity decreased when the dyes were combined. The cost estimation of MRBC production and wastewater treatment indicated that both were relatively low.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Anindita Bhatta, Jahnabi Upadhyaya, Dipak Chamlagai, Lincoln Dkhar, Pynskhemborlang T. Phanrang, Mohan Rao Kollipara, Sivaprasad Mitra
Summary: Derivatives of thiazole-pyrazole fused benzo-coumarin compounds were synthesized and their photophysical properties were investigated. The synthesized coumarin compounds showed potential as therapeutic agents for Alzheimer's disease, inhibiting acetylcholinesterase activity. The presence of human serum albumin was found to affect the inhibition activity.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Yongwei Duan, Quancheng Liu, Yiju Zhu, Qi Zhang, Xiaohui Duan, Hu Deng, Liping Shang
Summary: In this study, the phase transition of CL-20 was observed using terahertz spectroscopy, and quantum chemical calculations were employed to analyze the vibrations. The results indicated changes in the vibrations of CL-20 before and after phase transition.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Yuefeng Gao, Sai Xu, Baojiu Chen
Summary: This study synthesized Cs2NaInCl6 nanocrystals co-doped with Sb3+ and Tb3+ ions as probes for copper ions detection in lubricating oil. The introduction of Sb3+ effectively reduced the band gap of the host material and enabled energy transfer pathway for Tb3+ emission. The doped Tb3+ ions resulted in the suppression of emission due to electron transfer. The Cs2NaInCl6: 2.5 %Sb3+, 40 %Tb3+ NCs exhibited superior sensitivity and selectivity for copper ions detection.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Yu Liu, Yue Zhang, Changyao Liu, Ce Wang, Baocai Xu, Li Zhao
Summary: A highly sensitive detection platform for heparin was developed using a cationic fluorescent dye (cresyl violet acetate) as a fluorescence probe. The platform demonstrated high selectivity towards heparin and achieved detection in both HEPES solution and serum.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Lopamudra Roy, Nivedita Pan, Susmita Mondal, Ria Ghosh, Md. Nur Hasan, Neha Bhattacharyya, Soumendra Singh, Kallol Bhattacharyya, Arpita Chattopadhyay, Samir Kumar Pal
Summary: The study focuses on the interaction between reactive oxygen species (ROS) and a spectroscopic probe called Rose Bengal (RB), encapsulated in nanoscopic sodium dodecyl sulphate (SDS) micelles and entrapped in microscopic nylon 66 solid matrix. The research demonstrates efficient interaction between ROS and RB-SDS, and investigates the mechanism of hydroxyl radicals generation. Based on these findings, a prototype device utilizing RB embedded in a nylon thin film for quantification of ROS in extracellular fluids and food materials was developed.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Xiaosong Sun, Qihao Cui, Wenyue Dong, Qian Duan, Teng Fei
Summary: Conjugated porous polymers (CPPs) are promising sensing materials and their application in aqueous media is limited. In this study, we synthesized CPPs with porous structure and prepared nanoparticles, enabling efficient photoluminescence sensing of nitroaromatic explosives in aqueous phase.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
Article
Spectroscopy
Maria Cristina Caggiani, Germana Barone, Paolo Mazzoleni
Summary: Raman spectroscopy is commonly used for studying glassy materials in cultural heritage, but it is more difficult to interpret the spectra and apply the technique with portable instruments. In contrast, diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) can be used in archaeometric investigations as it is portable and non-invasive. However, there is limited application of this technique to historical glasses. This exploratory work demonstrates the potential of DRIFTS, in combination with portable X-ray Fluorescence (pXRF) and EDS microanalyses, for studying the composition and alteration of glass samples in cultural heritage.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2024)
