Article
Chemistry, Analytical
Pandiyaraj Kanagavalli, Shanmugam Senthil Kumar
Summary: In this study, a facile chemical synthesis of gold nanoparticles embedded in nano-cubic shaped prussian blue (Au-PB-NCs) was reported for the first time, showing high performance in electrochemical catalysis. The results indicate that Au-PB-NCs/GCE exhibits excellent stability, selectivity, and sensitivity in hydrazine sensing, making it a promising platform for realistic applications.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Engineering, Environmental
Younggyo Seo, Yuhoon Hwang
Summary: Prussian blue (PB) immobilized on granular activated carbon (GAC) through covalent organic polymer (COP) grafting showed excellent stability, high cesium adsorption capacity, and potential for application in water treatment systems. The method proved effective in both artificial and actual river water samples, as well as in continuous column experiments.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Physical
Qiangming Wang, Jihua Zhao, Simon Tricard, Jian Fang
Summary: A sensitive and selective amperometric determination method for isoniazid was studied using a V2O3-C@PB/GF composite electrode, which showed efficient electrocatalytic performance with a wide linear concentration range, good sensitivity, and low detection limit. The proposed sensor demonstrated excellent analytical performance for INZ qualification in commercial tablets, protein, and urine samples.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Nanoscience & Nanotechnology
Ziheng Wang, Yongxin Huang, Ditong Chu, Cheng Li, Yixin Zhang, Feng Wu, Li Li, Man Xie, Jiaqi Huang, Renjie Chen
Summary: By modifying Prussian blue and its analogues, a composite material N-PB@CMK with high conductivity and capacitive contribution ratio has been developed, demonstrating excellent battery performance and stability.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Analytical
Sheida Esmail Tehrani, Long Quang Nguyen, Giulia Garelli, Bettina M. Jensen, Tautgirdas Ruzgas, Jenny Emneus, Stephan Sylvest Keller
Summary: A highly sensitive amperometric Prussian blue-based hydrogen peroxide sensor was developed using 3D pyrolytic carbon microelectrodes, enabling simultaneous highly reproducible Prussian blue modification on multiple carbon electrodes. The study investigated the effect of oxygen plasma pre-treatment and deposition time on Prussian blue electrodeposition, demonstrating high sensitivity comparable to flow injection systems and a detection limit of 0.16 μM with 3D pyrolytic carbon microelectrodes at stirred batch condition.
Article
Engineering, Environmental
Changshun Xu, Danfeng Jiang, Yuancai Ge, Liping Huang, Yang Xiao, Xueqian Ren, Xiaohu Liu, Qingwen Zhang, Yi Wang
Summary: A noninvasive and continuous glucose monitoring method based on an electrochemical biosensor using PEDOT:PSS conductive hydrogel and Prussian blue nano-particles (PBNPs) is presented. The hydrogel showed low detection limit and high sensitivity, and demonstrated good accuracy in comparison to a commercial glucometer.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Tian Liu, Jiang Wang, Qiao Jiang, Ning Chai, Shuanglu Ying, Yuxuan Kong, Fei-Yan Yi
Summary: In this study, a simple one-step synthetic strategy was designed to successfully construct a hollow cubic Prussian blue analogue (PBA) covered by 2D ultrathin nanosheets, namely hollow tremella-like PBA (HTPBA). Furthermore, a self-supporting HTPBA/NF-12 electrode was obtained by introducing Ni foam (NF) as a substrate. The HTPBA/NF-12 electrode exhibited distinguished catalytic performance towards glucose and nitrite detection, including remarkable selectivity, reproducibility, sensitivity, wide linear range, and low detection limit.
DALTON TRANSACTIONS
(2023)
Review
Chemistry, Analytical
Ruizhi Li, Wenrui Zhang, Yanan Qin, Yukun Zhang, Xiaoyu Zhu, Yaru Li, Nan Zhu, Chengyi Hou, Minwei Zhang
Summary: Due to its extraordinary biocompatibility and promising applications, PB has been highly sought after, especially in the fields of sensing, energy, and catalysis. Engineering the PB structure on the nanoscale to construct sensors with high stability, high sensitivity, and excellent electrochemical catalytic performance has received extensive attention. This comprehensive review provides an up-to-date summary of PB materials with various nanostructures, emphasizing purpose-driven structure design and application to wearable devices/analytical chemistry.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Ruqia Khan, Javeria Arshad, Safia Khan, Muhammad Adil Mansoor, Saqib Ali, Talha Nisar, Veit Wagner, Muhammad Adeel Asghar, Ali Haider
Summary: This study synthesizes cationic surfactant-assisted Prussian blue analogs (PBAs) as bifunctional electrocatalysts for water oxidation and hydrazine reduction, showing excellent electrochemical activity and stability.
MOLECULAR CATALYSIS
(2023)
Article
Chemistry, Analytical
Jeeeun Kim, Changsoon Choi
Summary: Motion sensing, particularly in the field of detecting and monitoring mechanical deformation, has attracted significant attention. Fiber-structured mechanical strain sensors with carbon-based materials have emerged as promising alternatives for wearable applications. This study successfully developed multi-modal strain sensors that can monitor multiple deformations.
Article
Polymer Science
Liliana Leite, Vania Pais, Joao Bessa, Fernando Cunha, Catia Relvas, Noel Ferreira, Raul Fangueiro
Summary: Biological hazards, also known as biohazards, are substances that pose a threat to the life of any organism, especially humans. Early detection of contact and the use of personal protective equipment (PPE) are crucial for managing and reducing mortality rates of biological threats. This study evaluated the use of Prussian blue (PB) as a functional compound on polyester knits to detect bacteria on-site. Different concentrations of PB were tested, and the coated knits showed high abrasion resistance and the ability to detect both Gram-positive and Gram-negative bacteria.
Article
Chemistry, Analytical
Ausra Valiunien, Gerda Ziziunaite, Povilas Virbickas
Summary: In this paper, an electrochemical free chlorine sensor was developed by modifying a fluorine-doped tin oxide-coated glass slide with a layer of Prussian blue. The sensor exhibited a wide linear detection range and high selectivity for free chlorine. Additionally, optical absorption measurement-based investigations were conducted to evaluate the catalytic activity of Prussian blue and its potential for optical detection of free chlorine.
Article
Chemistry, Physical
Jia Chu, Yaping Cheng, Xue Li, Fan Yang, Shanxin Xiong, Zhao Zhang
Summary: In this study, Prussian blue@Carbon-dot (PB@C-dot) hybrids were developed using a one-step hydrothermal method. The incorporation of C-dots into the Prussian blue thin film was found to enhance its electrochromic performance. The hybrid structure was characterized using X-ray diffraction, Raman spectroscopy, and scanning electron microscopy, with the electrochromic properties demonstrating that the incorporation of 10 mL C-dots led to higher optical contrast and faster coloration/bleaching responses.
Article
Chemistry, Analytical
Shuqi Shang, Dongwei Wang, Jiasheng Wang
Summary: A dual-mode electrochemical biosensor based on carbon quantum dots/Prussian blue nanocomposite was proposed for acetamiprid detection. The biosensor showed a wide linear range, low detection limits, and fast detection time, and was successfully applied to pesticide detection in real samples.
Article
Chemistry, Physical
Marcio Cristiano Monteiro, Joao Paulo Winiarski, Edson Roberto Santana, Bruno Szpoganicz, Iolanda Cruz Vieira
Summary: We developed a ratiometric electrochemical sensor for the determination of the herbicide butralin, using a carbon paste electrode modified with quinazoline-engineered ZnFe Prussian blue analogue (PBA-qnz). The PBA-qnz was synthesized and characterized by spectroscopic and electrochemical techniques. The sensor exhibited improved precision and accuracy, and higher current responses for butralin compared to the bare carbon paste electrode.
Article
Chemistry, Analytical
Mengmeng Guo, Na Luo, Yueling Bai, Zhenggang Xue, Qingmin Hu, Jiaqiang Xu
Summary: A porous heterostructure WO3-C/In2O3 was designed and prepared for a miniature H2 sensor, which showed higher response value, lower operating temperature, fast response-recovery speed, and low limit of detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Feng Hu, Hui Hu, Yuting Li, Xiaohui Wang, Xiaowen Shi
Summary: Arsenic contamination in water bodies is a significant health risk. This study developed a chitosan-catechol modified electrode for rapid and accurate detection of trace amounts of arsenic. The modified electrode demonstrated good detection capability and resistance to ionic interference, making it suitable for in situ detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Yantao Zhang, Qian Liu, Tao Tian, Chunhua Xu, Pengli Yang, Lianju Ma, Yi Hou, Hui Zhou, Yongjun Gan
Summary: In this study, a lysosome-targeting buffering fluorogenic probe (Lyso-BFP) was designed and synthesized, demonstrating excellent photostability, pH specificity, and responsiveness to lysosomal acidification in living cells. The performance of Lyso-BFP in pH sensing was attributed to the inhibition of the photo-induced electron transfer process. Lyso-BFP allowed for wash-free imaging and long-term real-time monitoring of lysosome pH changes based on its off-on fluorescence behavior and buffer strategy.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Wei Cai, Wenbo Sun, Jiayue Wang, Xiaokui Huo, Xudong Cao, Xiangge Tian, Xiaochi Ma, Lei Feng
Summary: In this study, a near-infrared fluorescent probe HCBG was developed for imaging of alpha-GLC. HCBG exhibited excellent selectivity and sensitivity towards alpha-GLC in complex bio-samples, and showed good cell permeability for in situ real-time imaging. Through the high-throughput screening system established by HCBG, a natural alpha-GLC inhibitor was successfully isolated and identified. This study provides a novel fluorescence visualization tool for discovering and exploring the biological functions of diabetes-related gut microbiota, and a high-throughput screening approach for alpha-GLC inhibitor.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Trey W. Pittman, Xi Zhang, Chamindie Punyadeera, Charles S. Henry
Summary: Heart failure is a growing epidemic and a significant clinical and public health problem. Researchers have developed a portable and affordable diagnostic device for heart failure that can be used at the point-of-care, providing a valid alternative to current diagnostics approaches.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Anders O. Tjell, Barbara Jud, Roland Schaller-Ammann, Torsten Mayr
Summary: An optical hydrogen peroxide sensor based on catalytic degradation and the detection of produced oxygen is presented. The sensor offers higher resolution and better sensitivity at lower H2O2 concentrations. By removing O2 from the sample solution, a more sensitive O2 sensor can be used for measurement. The sensor has been successfully applied in a flow-through cell to measure H2O2 concentration in different flow rates.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Seong Jae Kim, Ji-hun Jeong, Gaabhin Ryu, Yoon Sick Eom, Sanha Kim
Summary: Surface-enhanced Raman spectroscopy (SERS) is a high-sensitivity, label-free detection method with various analytical applications. Researchers have developed a hydrophobic SERS substrate based on engineered carbon nanotube arrays (CNT-SERS) and studied the role of structural design at both micro and nanoscales. The substrate demonstrated controlled self-enrichment capability and enhanced sensitivity, with a significant increase in the SERS signal. The study also proposed a theoretical model and a concentration strategy inspired by plants for analyte deposition on microarrays.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Dan Zhao, Renjun Jiang, Xiaoqiang Liu, Subbiah Alwarappan
Summary: In this study, a novel ternary composite material was constructed by assembling cerium vanadate nanorods on reduced graphene oxide-microcrystalline cellulose nanosheets, and it was used for real-time monitoring of the concentration of superoxide anions in vivo. The ternary composite showed excellent conductivity, large surface area, and abundant active sites, leading to a wider linear range, high sensitivity, low detection limit, and fast response time for superoxide anion detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Tengfei Wang, Liwen Wang, Guang Wu, Dating Tian
Summary: In this study, a covalent organic framework material TaTp-COF with porous and uniform spheres was successfully prepared via hydrothermal reaction, and it was found to significantly enhance the aggregation-induced emission (AIE) of berberine. The unique emission properties of berberine on TaTp-COF were studied and utilized for the sensitive detection of berberine.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Lin Li, Yilei Ding, Lei Xu, Shuoran Chen, Guoliang Dai, Pengju Han, Lixin Lu, Changqing Ye, Yanlin Song
Summary: In this study, a novel TTI based on a ratiometric fluorescent nanosensor is designed, which has the advantages of high accuracy and low cost. Experimental and theoretical investigations confirm its pH responsiveness and demonstrate its good sensitivity and reliability. By monitoring the total volatile basic nitrogen, this TTI can accurately predict food spoilage and can be adaptively modified for different types of food. The TTI based on this nanosensor enables visual monitoring of food quality.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Fangju Chen, Xueting Wang, Wei Chen, Chenwen Shao, Yong Qian
Summary: Lung cancer is the second most common malignant tumor worldwide. Drug resistance in lung cancer leads to treatment failure and recurrence in majority of patients. This study developed a fluorescent prodrug that can be activated in cancer cells to release drugs, and its signal can be tracked by imaging. It shows a unique autophagy-driven ferroptosis effect, indicating its potential for targeting drug-resistant cancer cells.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Weichao Li, Qiming Yuan, Zhangcheng Xia, Xiaoxue Ma, Lifang He, Ling Jin, Xiangfeng Chu, Kui Zhang
Summary: This study developed a high-performance gas sensor for formaldehyde detection by modifying ZnSnO3 with ZnO QDs and SnO2 QDs. The modified sensor showed improved sensing response and lower working temperature. The presence of ZnO QDs formed rich heterojunctions, increased surface area, and provided oxygen deficiency for formaldehyde sensing reaction, thus enhancing the sensor performance. This research provides an alternative method to enhance the sensing properties of MOS by QDs modification.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Joung-Il Moon, Eun Jung Choi, Younju Joung, Jin-Woo Oh, Sang-Woo Joo, Jaebum Choo
Summary: A novel nanoplasmonic substrate was developed for biomedical applications, which showed strong hot spots for detecting biomarkers at low concentrations. The substrate, called AuNPs@M13, was made by immobilizing 60 nm gold nanoparticles onto the surface of an M13 bacteriophage scaffold. It demonstrated higher sensitivity and lower limit of detection compared to commercially available assays.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Ning Li, Ya Zhang, Ying Xu, Xiaofang Liu, Jian Chen, Mei Yang, Changjun Hou, Danqun Huo
Summary: The molecular subtype of breast cancer guides treatment and drug selection. Invasive tests can promote cancer cell metastasis, so the development of high-performance, low-cost diagnostic tools for cancer prognosis is crucial. Liquid biopsy techniques enable noninvasive, real-time, dynamic, multicomponent, quantitative, and long-term observations at the cellular, genetic, and molecular levels. A Cu-Zr metal-organic framework (MOF) nanoenzyme with monatomic Cu attachment has been synthesized and proven to have high catalytic performance. The sensor constructed using this nanoenzyme shows potential for accurate classification of breast cancer serum samples.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Jeongmin Kim, Hyemin Kim, Seunghyun Park, Hyeonaug Hong, Yong Jae Kim, Jiyong Lee, Jaeho Kim, Seung-Woo Cho, Wonhyoung Ryu
Summary: This study presents a method to fabricate independently functioning microneedle (MN) electrodes with narrow intervals for high precision electrochemical sensing. The optimized mixture of photocurable polymer and single-wall carbon nanotubes was used to mold single composite MNs, which were then attached to pre-patterned electrodes. Plasma etching and electropolymerization were performed to enhance the electrochemical activity, and Prussian blue and glucose oxidase were electrodeposited on the MNs for glucose detection. The MN electrodes showed good sensitivity and linearity, and the feasibility of glucose detection was demonstrated in an in vivo mouse study.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)