Article
Chemistry, Analytical
Melinda David, Adrian Serban, Teodor Adrian Enache, Monica Florescu
Summary: This study described and compared the performances of commercial screen-printed carbon electrodes with different nanostructured materials for LT4 detection. The presence of carbon nanotubes resulted in the best performance for LT4 detection.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Electrochemistry
Junhao Chen, Azadeh Nilghaz, Xinyu Chen, Shan Liu, Junfei Tian
Summary: This study presents a novel strategy for fabricating a third-generation glucose sensor on a screen-printed carbon electrode (SPCE). The direct electron transfer (DET) between glucose oxidase (GOx) and SPCE was achieved by immobilizing GOx in poly (3,4-ethylenedioxythiophene) (PEDOT) functionalized electrodes. This strategy eliminates the need for a mediated agent and shows high electrochemical responses of glucose in human blood plasma.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Chemistry, Analytical
Ana P. M. Tavares, M. Helena de Sa, M. Goreti F. Sales
Summary: The use of cork as substrate for 3-electrode electrochemical devices shows higher current values and better reversibility features compared to other common supports. The cork-based devices displayed greater sensitivity and selectivity in detecting sulfadiazine, offering a valuable alternative with environmental and cost benefits, and analytical gains.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Noura Zouaghi, Shahid Aziz, Imran Shah, Ahmed Aamouche, Dong-won Jung, Brahim Lakssir, El Mostafa Ressami
Summary: In 2019, more than 21% of new tuberculosis patients were not diagnosed or reported to public health authorities. Therefore, it is critical to develop faster and more effective point-of-care diagnostic tools to combat the global TB epidemic.
Review
Chemistry, Analytical
Rafael Matias Silva, Alexsandra Dias da Silva, Jessica Rocha Camargo, Bruna Santos de Castro, Lais Muniz Meireles, Patricia Soares Silva, Bruno Campos Janegitz, Tiago Almeida Silva
Summary: Electrochemical sensors consisting of screen-printed electrodes (SPEs) are widely used in different fields due to their inherent characteristics such as miniaturization, cost reduction, low sample consumption, compatibility with portable equipment, and disposability. The performance of SPEs is directly influenced by the quality of the material used for printing and modifying the electrodes. Various carbon nanomaterials, including graphene, carbon nanotubes, carbon black, carbon quantum dots, graphitic carbon nitride, and biochar, have been explored for the preparation and modification of SPEs, enhancing their electrochemical response and sensitivity, as well as allowing the immobilization of biological agents for biosensor manufacturing. This review provides an overview of the current use of carbonaceous nanomaterials in the context of electrochemical SPE sensors and discusses potential future directions.
Article
Chemistry, Analytical
Bohdan Josypcuk, Jan Langmaier, Sofiia Tvorynska
Summary: Silver amalgam screen-printed electrodes (AgA-SPEs) were designed, prepared, and tested as representatives among SPEs for measuring at high negative potentials, showing superior PHE values compared to traditional silver-SPEs. The practical application of AgA-SPEs was demonstrated by analyzing iodine content in table salt, with consistent results as declared by the manufacturer.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Multidisciplinary
Emily Kerr, Richard Alexander, Paul S. Francis, Rosanne M. Guijt, Gregory J. Barbante, Egan H. Doeven
Summary: The study found that unmodified carbon-based SPEs exhibited the most intense ECL signals in detection systems, and the incorporation of nanomaterials did not significantly enhance ECL intensity. Platinum and gold SPEs showed lower relative ECL intensities compared to carbonaceous materials, but the ECL signal at platinum electrodes could be increased by approximately 3-fold with the addition of a surfactant.
FRONTIERS IN CHEMISTRY
(2021)
Article
Chemistry, Analytical
Reem Zeitoun, Viacheslav Adamchuk, Jon Warland, Asim Biswas
Summary: This study found that polishing carbon screen-printed electrodes with office paper significantly improved the sensitivity, detection limit, and reproducibility of phosphate electrochemical testing, while also enabling the reuse of disposable sensors.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Materials Science, Multidisciplinary
P. E. Resmi, Jeethu Raveendran, P. V. Suneesh, T. Ramanchandran, Bipin G. Nair, T. G. Satheesh Babu
Summary: The electrochemical oxidation of conjugated bilirubin was studied on an indigenously screen-printed carbon electrode (SPCE), which showed high selectivity and excellent response for conjugated bilirubin detection in urine samples. The SPCE demonstrated a dynamic detection range of 1-600 μM, making it a promising tool for conjugated bilirubin analysis.
Article
Chemistry, Analytical
Tzong-Jih Cheng, Hsien-Yi Hsiao, Pei-Chia Tsai, Richie L. C. Chen
Summary: Electrochemical impedance spectroscopy (EIS) is a sensitive analytical method for surface and bulk properties. Here, we demonstrated redoxless ECS for directly determining surfactant adsorption on screen-printed carbon electrodes (SPCEs), providing excellent capacitance plot loci for quantifying the interfacial permittivity of dielectric layers on electrode surfaces. Our proposed approach may serve as a starting point for future probeless and label-free biosensors based on electrochemistry, eliminating disturbance with surface charge properties and minimizing forced potential bias by avoiding redox couples.
Article
Chemistry, Multidisciplinary
Samantha F. Douman, Miren Ruiz De Eguilaz, Loanda R. Cumba, Stephen Beirne, Gordon G. Wallace, Zhilian Yue, Emmanuel I. Iwuoha, Robert J. Forster
Summary: This study describes the fabrication and electrochemical properties of a 3D printed titanium electrode array. Deposition of a thin gold layer significantly increases the electron transfer rate constant, leading to reversible voltammetry of ferrocyanide. The intensity of electrochemiluminescence is dramatically enhanced in gold-coated arrays.
FRONTIERS IN CHEMISTRY
(2021)
Article
Biotechnology & Applied Microbiology
Nan Wang, Guiying Pan, Shimin Guan, Shaofeng Rong, Dapeng Wang, Zhiyong Gao, Peng Tian, Qianqian Li
Summary: In this study, an electrochemical biosensor based on a screen-printed carbon electrode was developed for the rapid detection of human noroviruses (HuNoVs). The biosensor showed high sensitivity and specificity, and could detect different genogroups and genotypes of HuNoVs. The detection limit of HuNoVs in clinical fecal samples was 10(4) genomic copies/mL. The results could be obtained within 1 hour.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2022)
Article
Nanoscience & Nanotechnology
Chiara Abate, Giulia Neri, Angela Scala, Placido Giuseppe Mineo, Enza Fazio, Antonino Mazzaglia, Alex Fragoso, Ottavia Giuffre, Claudia Foti, Anna Piperno
Summary: The study demonstrates the successful electrochemical sensing of Hg(II) in aqueous solution using nanoassembly based on cationic cyclodextrin carbon nanotubes (CNT-CDs) and ferrocenylcarnosine (FcCAR). The CNTs were functionalized with beta-cyclodextrins (CDs) through a click chemistry reaction and subsequent reduction of residual nitrogen groups. The CNT-CDs were cast on screen-printed carbon electrodes (SPCEs) and their electrochemical response was evaluated using cyclic voltammetry (CV). The CNT-CD/FcCAR nanoassembly showed enhanced electroactive properties for Hg(II) detection. The sensor exhibited a linear concentration dependence in the range of 1-100 nM, with a sensitivity of 0.12 muA/nM, a limit of detection of 0.50 nM, and a limit of quantification of 1 nM.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Analytical
R. Ivanov, C. Czibula, C. Teichert, M. Bojinov, V Tsakova
Summary: The study characterized five types of carbon-based screen-printed electrodes, finding differences in surface roughness and electrochemical properties, and further investigated them with electroless deposition of Pd.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Review
Chemistry, Analytical
Xuyao Wang, Zhenqi Zhang, Guolin Wu, Chunxia Xu, Jianping Wu, Xingguo Zhang, Jian Liu
Summary: The paper discusses the modification of screen-printed electrodes with functional antibodies to improve electrochemical detection performance in diverse sensing applications, particularly for COVID-19 detection. The immobilization of these antibodies on the electrode surface through various methods reveals the powerful potential of electrode modification.
ANALYTICAL METHODS
(2021)
Article
Polymer Science
Ken Aldren S. Usman, Christine Jurene O. Bacal, Jizhen Zhang, Si Qin, Peter A. Lynch, Pablo Mota-Santiago, Minoo Naebe, Luke C. Henderson, Dylan Y. Hegh, Joselito M. Razal
Summary: A sequential bridging strategy is reported to fabricate dense MXene films with minimal defects, significantly improving their mechanical properties while retaining high electrical conductivity and electrochemical capacitance. This work provides important insights for developing high-performance energy storage devices.
MACROMOLECULAR RAPID COMMUNICATIONS
(2022)
Article
Integrative & Complementary Medicine
Yuemei Li, Zhe Lv, Haixia Han, Xiaofang Jia, Lijiao Guo
Summary: This study analyzed the vestibular function characteristics of patients with Meniere's disease and acute hypophonic sensorineural hearing loss in order to identify more reliable and objective ancillary tests. The results showed that factors such as age, head posture, and stimulus type influenced the test results. However, the small sample size limited the comprehensive assessment of vestibular function differences between the two patient groups.
EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE
(2022)
Article
Chemistry, Multidisciplinary
Xiuna Jia, Deming Liu, Cong Yu, Niu Niu, Dan Li, Jin Wang, Erkang Wang
Summary: This study presents a new strategy for the rational design and development of a safe and efficient single near-infrared laser-triggered synergistic treatment platform for hypoxic cancer, based on the characteristics of the tumor microenvironment.
Article
Engineering, Environmental
Weiyan Li, Zhongqian Song, Ying He, Jizhen Zhang, Yu Bao, Wei Wang, Zhonghui Sun, Yingming Ma, Zhenbang Liu, Li Niu
Summary: A natural sedimentation-assisted method is presented for mass production of polymer-based films with Janus or gradient structures. This strategy provides new opportunities to develop more Janus functional films and explore novel properties.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Hao Wang, Jinxing Chen, Qing Dong, Xu Sun, Qiong Liu, Dan Li, Erkang Wang, Jin Wang
Summary: In this study, N, P, or S doped carbon nanotubes (CNTs) were used as enzyme mimics of nicotinamide adenine dinucleotide (NADH) oxidase and cytochrome c (Cyt c) reductase. Through N doping, the NADH oxidase-like activity of CNTs was significantly enhanced, with a 4.28-fold increase in the maximum initial velocity for N-doped CNTs (N-CNTs) compared to the unmodified ones. Biologically active NAD* was produced during NADH oxidation, and oxygen was selectively reduced to water or hydrogen peroxide, consistent with natural NADH oxidase. Additionally, it was discovered for the first time that carbon nanotubes can facilitate the electron transfer from NADH to Cyt c, mimicking the properties of Cyt c reductase.
Article
Oncology
Huikun Niu, Dexiang Wang, Tingting Wen, Han Liu, Jing Jie, Lei Song, Dan Li
Summary: Background: Anwuligan (ANW), isolated from nutmeg, has been found to have potential therapeutic effects in diseases. However, its effect on lung cancer is still unclear. Methods: In this study, the cytotoxicity of ANW on non-small cell lung cancer (NSCLC) cells was investigated using various assays. Results: ANW treatment showed clear cytotoxicity against NSCLC cells, inhibiting cell proliferation and migration both in vitro and in vivo. The overexpression of let-7c-3p also inhibited the growth of NSCLC cells. Conclusions: ANW inhibits the growth and metastasis of NSCLC cells by upregulating the expression of let-7c-3p and targeting PIK3CA.
Article
Materials Science, Multidisciplinary
Degang Jiang, Christine Jurene O. Bacal, Ken Aldren S. Usman, Jizhen Zhang, Si Qin, Dylan Hegh, Weiwei Lei, Jingquan Liu, Joselito M. Razal
Summary: Constructing highly porous structures using Ti3C2Tx MXene provides a promising strategy for achieving low density, high specific surface area, and shorter ion/molecule transport paths. However, weak interactions between MXene layers or between MXene and substrates hinder the development of robust and elastic MXene-based architectures. To overcome this challenge, a bio-inspired strategy is developed to effectively adhere MXene nanosheets onto melamine foam using covalent and hydrogen bonding interactions through polyethyleneimine/polydopamine-modification. The enhanced interactions enable high MXene loading and reversible compressibility, and the resulting foam exhibits high energy storage capability and photothermal conversion functionality.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Engineering, Biomedical
Wenyan Lyu, Wei Hu, Jiaming Shi, Jieman Chen, Jingwen Song, Qindan Zhang, Xuefeng Yuan, Dairui Li, Jun Nakanishi, Xiaofang Jia
Summary: This study reports an adaptive biomaterial based on lysozyme monolayers self-assembled at the perfluorocarbon FC40-water interface. The dynamic adaptivity of interfacially assembled protein nanosheets is modulated independently of bulk mechanical properties by covalent crosslinking, which allows for bidirectional interactions of cells with liquid interfaces of varying dynamic adaptivity. It is found that the growth and multipotency of human mesenchymal stromal cells (hMSCs) are enhanced at the highly adaptive fluid interface, mediated by low cell contractility and metabolomic activity involving continuous mutual feedback between the cells and materials.
ADVANCED HEALTHCARE MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Ken Aldren S. Usman, Ya Yao, Christine Jurene O. Bacal, Jizhen Zhang, Karyn L. Jarvis, Peter A. Lynch, Pablo Mota-Santiago, Si Qin, Minoo Naebe, Luke C. Henderson, Dylan Y. Hegh, Benjamin J. Allardyce, Joselito M. Razal
Summary: It has been found that using silk fibroin biopolymer as an additive for MXene fiber production improves durability, conductivity, and volumetric capacitance. These fibers also show no cytotoxicity towards THP-1 monocytic cells, making them suitable for flexible electronics and biomedical applications.
ADVANCED MATERIALS INTERFACES
(2023)
Review
Chemistry, Physical
Jizhen Zhang, Ken Aldren S. Usman, Mia Angela N. Judicpa, Dylan Hegh, Peter A. Lynch, Joselito M. Razal
Summary: X-rays are a type of high-energy electromagnetic radiation that can penetrate objects with wavelengths ranging from 10 picometers to 10 nanometers. They offer a powerful tool for studying the atomic and elemental information of objects, similar to visible light. This review summarizes the recent progress of using X-ray-based characterization methods in MXenes, a new family of 2D nanomaterials. These methods provide important information on synthesis, elemental composition, and the assembly of MXene sheets and their composites, and new characterization methods are proposed for future research directions.
Article
Materials Science, Composites
Yanqiu Shao, Xu Zhao, Lin Liu, Chuang Liu, Zirong Luo, Na Kong, Jinlong Tao, Jizhen Zhang
Summary: The increasing demand for advanced fiber materials for wearable intelligent devices poses a significant challenge in improving mechanical qualities without compromising chemical properties. This study explores the impact of different CNT loadings on the physical properties of PEDOT:PSS fibers and develops a wet spinning process for the continuous fabrication of PEDOT:PSS/CNT hybrid fibers. It is found that preventing the binding and aggregation of CNT within the fibers is the main challenge in mechanically reinforced PEDOT:PSS systems.
COMPOSITES COMMUNICATIONS
(2023)
Article
Economics
Xiaofang Jia, Baojian Xie, Xingan Wang
Summary: In this study, a multi-period difference-in-difference model is used to examine the impact of network infrastructure on enterprise digital transformation. The findings indicate that network infrastructure effectively promotes digital transformation of enterprises. Moreover, the role of network infrastructure in promoting digital transformation is strengthened as the scale of infrastructure construction expands. Mechanism analysis suggests that network infrastructure facilitates digital transformation through easing corporate financing constraints and improving core technical capabilities. Additionally, the impact of network infrastructure on digital transformation varies, with a more pronounced effect observed in non-state-owned enterprises, growth enterprises, manufacturing enterprises, and enterprises located in developed cities.
Article
Engineering, Biomedical
Shuaining Ma, Weiguo Xu, Yunwei Fei, Dan Li, Xiuna Jia, Jin Wang, Erkang Wang
Summary: A TME-responsive nanoplatform is designed for synergistic photothermal therapy and photodynamic therapy against cancer. The nanoplatform allows for effective tumor accumulation and payload release through aptamer modification and acid degradable shell. It also exhibits excellent photodynamic therapy properties and achieves synergistic therapy through a single wavelength of near-infrared laser.
ADVANCED HEALTHCARE MATERIALS
(2023)
Article
Geosciences, Multidisciplinary
Yana Chen, Xiangyang Pei, Jizhen Zhang, Nan Wang, Denglin Han, Juan Wang, Xiao Xiao, Jianguo Wang
Summary: This study systematically analyzed the organic matter characteristics, hydrocarbon generation ability, mineral composition, physical properties, and gas bearing characteristics of the Upper Permian Longtan Formation shale in the southern Sichuan Basin. The abundance and maturity of organic matter jointly promote the enrichment of Longtan shale gas. The shale is rich in clay minerals, which is beneficial to shale gas adsorption but poses a challenge to production fracturing.
FRONTIERS IN EARTH SCIENCE
(2023)
Article
Chemistry, Physical
Hao Wang, Jinxing Chen, Qing Dong, Xu Sun, Qiong Liu, Dan Li, Erkang Wang, Jin Wang
Summary: Most nanozyme research focuses on oxidase and peroxidase capabilities, but this study explores N, P, or S doped carbon nanotubes (CNTs) as enzyme mimics of NADH oxidase and Cyt c reductase. Doping N significantly enhances the NADH oxidase-like activity of CNTs, increasing the maximum initial velocity by 4.28 times. NAD(+) is produced as a biologically active product during NADH oxidation, while oxygen is selectively reduced to water or hydrogen peroxide, similar to natural NADH oxidase. Additionally, carbon nanotubes can promote electron transfer from NADH to Cyt c, mimicking the properties of Cyt c reductase.
Article
Chemistry, Multidisciplinary
Laetitia Bardet, Herve Roussel, Stefano Saroglia, Masoud Akbari, David Munoz-Rojas, Carmen Jimenez, Aurore Denneulin, Daniel Bellet
Summary: The thermal instability of silver nanowires leads to increased electrical resistance in AgNW networks. Understanding the relationship between structural and electrical properties of AgNW networks is crucial for their integration as transparent electrodes in flexible optoelectronics. In situ X-ray diffraction measurements were used to study the crystallographic evolution of Ag-specific Bragg peaks during thermal ramping, revealing differences in thermal and structural transitions between bare and SnO2-coated AgNW networks.
Article
Chemistry, Multidisciplinary
Nathalia Cancino-Fuentes, Arnau Manasanch, Joana Covelo, Alex Suarez-Perez, Enrique Fernandez, Stratis Matsoukis, Christoph Guger, Xavi Illa, Anton Guimera-Brunet, Maria V. Sanchez-Vives
Summary: This study provides a comprehensive characterization of graphene-based solution-gated field-effect transistors (gSGFETs) for brain recordings, highlighting their potential clinical applications.
Article
Chemistry, Multidisciplinary
Sikandar Aftab, Hailiang Liu, Dhanasekaran Vikraman, Sajjad Hussain, Jungwon Kang, Abdullah A. Al-Kahtani
Summary: This study examines the effects of hybrid nanoparticles made of NiO@rGO and NiO@CNT on the active layers of polymer solar cells and X-ray photodetectors. The findings show that these hybrid nanoparticles can enhance the charge carrier capacities and exciton dissociation properties of the active layers. Among the tested configurations, the NiO@CNT device demonstrates superior performance in converting sunlight into electricity, and achieves the best sensitivity for X-ray detection.
Article
Chemistry, Multidisciplinary
Hyo Jung Shin, Seung Gyu Choi, Fengrui Qu, Min-Hee Yi, Choong-Hyun Lee, Sang Ryong Kim, Hyeong-Geug Kim, Jaewon Beom, Yoonyoung Yi, Do Kyung Kim, Eun-Hye Joe, Hee-Jung Song, Yonghyun Kim, Dong Woon Kim
Summary: This study investigates the role of SOX9 in reactive astrocytes following ischemic brain damage using a PLGA nanoparticle plasmid delivery system. The results demonstrate that PLGA nanoparticles can reduce ischemia-induced neurological deficits and infarct volume, providing a potential opportunity for stroke treatment.
Article
Chemistry, Multidisciplinary
Anurag Chaudhury, Koushik Debnath, Nikhil R. Jana, Jaydeep K. Basu
Summary: The study investigates the interaction between nanoparticles and cell membranes, and identifies key parameters, including charge, crowding, and membrane fluidity, that determine the adsorbed concentration and unbinding transition of nanoparticles.
Article
Chemistry, Multidisciplinary
Sina Sadeghi, Fazel Bateni, Taekhoon Kim, Dae Yong Son, Jeffrey A. Bennett, Negin Orouji, Venkat S. Punati, Christine Stark, Teagan D. Cerra, Rami Awad, Fernando Delgado-Licona, Jinge Xu, Nikolai Mukhin, Hannah Dickerson, Kristofer G. Reyes, Milad Abolhasani
Summary: In this study, an autonomous approach for the development of lead-free metal halide perovskite nanocrystals is presented, which integrates a modular microfluidic platform with machine learning-assisted synthesis modeling. This approach enables rapid and optimized synthesis of copper-based lead-free nanocrystals.
Article
Chemistry, Multidisciplinary
Zahir Abbas, Nissar Hussain, Surender Kumar, Shaikh M. Mobin
Summary: The rational construction of free-standing and flexible electrodes for electrochemical energy storage devices is an emerging research focus. In this study, a redox-active metal-organic framework (MOF) was prepared on carbon nanofibers using an in situ approach, resulting in a flexible electrode with high redox-active behavior and unique properties such as high flexibility and lightweight. The prepared electrode showed excellent cyclic retention and rate capability in supercapacitor applications. Additionally, it could be used as a freestanding electrode in flexible devices at different bending angles.
Article
Chemistry, Multidisciplinary
Lishan Zhang, Xiaoting Zhang, Hui Ran, Ze Chen, Yicheng Ye, Jiamiao Jiang, Ziwei Hu, Miral Azechi, Fei Peng, Hao Tian, Zhili Xu, Yingfeng Tu
Summary: Photodynamic therapy (PDT) is a promising local treatment modality in cancer therapy, but its therapeutic efficacy is restricted by ineffective delivery of photosensitizers and tumor hypoxia. In this study, a phototactic Chlorella-based near-infrared (NIR) driven green affording-oxygen microrobot system was developed for enhanced PDT. The system exhibited desirable phototaxis and continuous oxygen generation, leading to the inhibition of tumor growth in mice. This study demonstrates the potential of using a light-driven green affording-oxygen microrobot to enhance photodynamic therapy.
Article
Chemistry, Multidisciplinary
Yujin Li, Jing Xu, Xinqi Luo, Futing Wang, Zhong Dong, Ke-Jing Huang, Chengjie Hu, Mengyi Hou, Ren Cai
Summary: In this study, hollow heterostructured materials were constructed using an innovative template-engaged method as cathodes for zinc-ion batteries. The materials exhibited fast Zn2+ transport channels, improved electrical conductivity, and controlled volume expansion during cycling. The designed structure allowed for an admirable reversible capacity and high coulombic efficiency.
Article
Chemistry, Multidisciplinary
Paritosh Mahato, Shashi Shekhar, Rahul Yadav, Saptarshi Mukherjee
Summary: This study comprehensively elucidates the role of the core and electrostatic surface of metal nanoclusters in catalytic reduction reactions. The electrostatic surface dramatically modulates the reactivity of metal nanoclusters.
Article
Chemistry, Multidisciplinary
Pei Liu, Mengdi Liang, Zhengwei Liu, Haiyu Long, Han Cheng, Jiahe Su, Zhongbiao Tan, Xuewen He, Min Sun, Xiangqian Li, Shuai He
Summary: This study demonstrates a simple and environmentally-friendly method for the synthesis of zinc oxide nanozymes (ZnO NZs) using wasted hop extract (WHE). The WHE-ZnO NZs exhibit exceptional peroxidase-like activity and serve as effective catalysts for the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). In addition, a straightforward colorimetric technique for detecting both H2O2 and glucose was developed using the WHE-ZnO NZs as peroxidase-like catalysts.
Article
Chemistry, Multidisciplinary
Hyunkyu Oh, Young Jun Lee, Eun Ji Kim, Jinseok Park, Hee-Eun Kim, Hyunsoo Lee, Hyunjoo Lee, Bumjoon J. Kim
Summary: Mesoporous carbon particles have unique structural properties that make them suitable as support materials for catalytic applications. This study investigates the impact of channel nanostructures on the catalytic activity of porous carbon particles (PCPs) by fabricating PCPs with controlled channel exposure on the carbon surface. The results show that PCPs with highly open channel nanostructures exhibit significantly higher catalytic activity compared to those with closed channel nanostructures.
Article
Chemistry, Multidisciplinary
Yunjie Lu, Zhaohui Li, Zewei Li, Shihao Zhou, Ning Zhang, Jianming Zhang, Lu Zong
Summary: A tough, long-lasting adhesive and highly conductive nanocomposite hydrogel (PACPH) was fabricated via the synergy of interfacial entanglement and adhesion group densification. PACPH possesses excellent mechanical properties, interfacial adhesion strength, and conductivity, making it a promising material for long-term monitoring of human activities and electrocardiogram signals.
Article
Chemistry, Multidisciplinary
Zichao Wei, Audrey Vandergriff, Chung-Hao Liu, Maham Liaqat, Mu-Ping Nieh, Yu Lei, Jie He
Summary: We have developed a simple method to prepare polymer-grafted plasmonic metal nanoparticles with pH-responsive surface-enhanced Raman scattering. By using pH-responsive polymers as ligands, the aggregation of nanoparticles can be controlled, leading to enhanced SERS. The pH-responsive polymer-grafted nanoparticles show high reproducibility and sensitivity in solution, providing a novel approach for SERS without the need for sample pre-concentration.
Article
Chemistry, Multidisciplinary
Melis Ozge Alas Colak, Ahmet Gungor, Merve Buldu Akturk, Emre Erdem, Rukan Genc
Summary: This research investigates the effect of functionalizing carbon dots with hydroxyl polymers on their performance as electrode materials in a supercapacitor. The results show that the functionalized carbon dots exhibit excellent electrochemical performance and improved stability.
