Article
Engineering, Environmental
Manita Das, Harshil Thakkar, Divyesh Patel, Sonal Thakore
Summary: This work presents a one pot facile route for complete valorization of domestic organic waste into biogenic carbon dots and biochar, which can be used as nanosensors and adsorbents. The biogenic carbon dots exhibited high selectivity and sensitivity towards heavy metal ions, while the biochar as a byproduct was efficiently utilized for dye removal.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Analytical
Li Yao, Yunlin Chen, Ranran Wang, Chao Yan, Jianguo Xu, Bangben Yao, Jigui Cheng, Wei Chen
Summary: A method combining surface-enhanced Raman scattering (SERS) with a lateral flow strip (LFS) was developed for the rapid and quantitative analysis of Mercury ions. This method achieves high sensitivity detection at low concentrations through the combination of the LFS-based specific T-Hg-T strategy for recognition of Hg2+ and the sensitive detection of SERS. It provides a simple and effective approach for food safety and environmental monitoring.
Article
Materials Science, Multidisciplinary
Madhappan Santhamoorthy, Umamakeshvari Kunasekaran, Kokila Thirupathi, Dinakaran Thirumalai, Seong-Cheol Kim
Summary: Colorimetric sensing of toxic heavy metal ions is a simple and efficient technique, and in this study, a nanosensor for visual determination of mercury ions (Hg2+) was successfully created.
Article
Biochemistry & Molecular Biology
Suk-Hyun Yoo, Seung-Chan Lee, Mingi Ko, Soyeong Yoon, Jooyoung Lee, Jeong-Ann Park, Song-Bae Kim
Summary: The adsorption characteristics of Hg(II) on polyethyleneimine-functionalized carboxymethylcellulose (PEI-CMC) beads were investigated, and the toxicity of the beads towards Daphnia magna and Pseudokirchneriella subcapitata was evaluated. The results showed that the PEI-CMC beads were non-toxic to D. magna but inhibited the growth of P. subcapitata. The maximum adsorption capacity of Hg(II) by the PEI-CMC beads was found to be 313.1 mg/g, and the adsorption mechanism involved chelation and electrostatic attraction.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Chemistry, Physical
Sarfraz Ahmed, Abdul Jalil, Syed Zafar Ilyas, Ather Hassan, Ahsan Ilahi, Ishaq Ahmed, Maaz Khan, Qasim Khan
Summary: First-principles calculations were used to investigate the gas sensing behavior of various gas molecules on the B4C3 monolayer. The results showed that B4C3 exhibited superior gas sensing performance compared to other 2D materials. The adsorption behavior, charge transfer, and bandgap variation of gas molecules on the B4C3 surface played key roles in its gas sensing applications.
APPLIED SURFACE SCIENCE
(2021)
Article
Environmental Sciences
Shurong Wu, Lin Liang, Qin Zhang, Lifeng Xiong, Shuiqin Shi, Zibin Chen, Zexiang Lu, Liwei Fan
Summary: A novel ion-imprinted oyster shell material (IIOS) was prepared using surface imprinting technique to effectively adsorb Cd(II) and exhibit targeted adsorption. The results showed a stable and promising prospect for IIOS in removing Cd(II) from wastewater, showcasing the potential of waste oyster shells in heavy metal disposal.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Engineering, Environmental
Chengyue Yang, Gongshu Wang, Xianjun Li, Jiwei Wang, Jianshe Hu
Summary: In this study, 3D aerogel PAN-C3N4 was prepared and a layer of Ni-MOF was grown on its surface to form 3D aerogel composites (LP-C3N4@NiMOF-74-S) co-doped with nitrogen and sulfur. The adsorbent showed excellent performance in adsorbing mercury (II) and elemental mercury, with maximum adsorption capacities exceeding those of other sulfur-functionalized adsorbent materials. Moreover, LP-C3N4@Ni-MOF-74-S exhibited remarkable adsorption capacity in dynamic adsorption experiments on industrial wastewater, rapidly reducing the concentration of mercury (II) to below the acceptable limit for drinking water. Additionally, LP-C3N4@Ni-MOF-74-S showed promising applications as a sensor and photocatalyst.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Chemistry, Analytical
Zong-Yin Song, Xiang-Yu Xiao, Shi-Hua Chen, Yong-Yu Li, Yuan-Fan Yang, Cong-Cong Huang, Wanchun Duan, Meng Yang, Pei-Hua Li, Xing-Jiu Huang
Summary: This work investigates the electroanalysis results of Cu(II), Cd(II), As(III), and their mixtures using experimental and theoretical models. The study reveals the underlying detection mechanism of the boosting effect of Cu(II) on As(III) and the inhibitory effect of Cd(II) on As(III). The specific interaction of nanomaterials and heavy metal ions on the interface is considered the fundamental source of interference. The research provides a new approach to achieve anti-interference intelligent electrodes in stripping analysis.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Gang Xiang, Wensi Xu, Wenfeng Zhuge, Qing Huang, Cuizhong Zhang, Jinyun Peng
Summary: A conductive phthalocyanine-based porous organic polymer (NiPc-CC POP) was synthesized and used as a conductive catalyst for electrochemical detection of Van with good performance.
Article
Chemistry, Multidisciplinary
Nivedita Pan, Neha Bhattacharyya, Amrita Banerjee, Pritam Biswas, Lopamudra Roy, Arka Chatterjee, Rama Bhattacharjee, Soumendra Singh, Saleh A. Ahmed, Arpita Chattopadhyay, Mala Mitra, Samir Kumar Pal
Summary: We report a completely portable colorimetric prototype device for the selective monitoring of lead (Pb) pollution, mainly in air. This device relies on analyzing the colorimetric assays on paper strips by measuring the retroreflective information. Our study found that citrate-functionalized silver nanoparticles (AgNPs) embedded in cellulose paper strips can be used to monitor changes in lead concentration by measuring the LSPR bands in the blue and green regions. This research provides a low-cost field-deployable technique for environmental lead sensing, opening up new perspectives for future advancement in paper-based sensing.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Analytical
Yuwei Zhang, Shuai Xu, Ronghua Zhang, Zhichao Deng, Yin Liu, Jianguo Tian, Li Yu, Qiongzheng Hu, Qing Ye
Summary: Liquid crystal-based sensors are widely used in chemical and biological event detection, but the calculation of their optical images is usually time-consuming and prone to errors. This study presents an automated calculation method based on deep learning which allows real-time detection of positive response areas in liquid crystal sensors.
ANALYTICAL CHEMISTRY
(2022)
Article
Nanoscience & Nanotechnology
A. T. Ezhil Vilian, Kugalur Shanmugam Ranjith, Seung Kyu Hwang, Gokul Bhaskaran, Munirah Alhammadi, So Young Park, Yun Suk Huh, Young-Kyu Han
Summary: This study coated petal-like MoS2 on electrospun carbon nanofibers and prepared MoS2-TA-CNF screen-printed carbon electrode through hydrothermal treatment. The electrode exhibited excellent electrocatalytic performance for detecting Hg2+ and hydrogen evolution reaction in acidic medium. The designed electrocatalyst had an ultra-low detection limit and linear range, and showed satisfactory recoveries in on-site monitoring.
MATERIALS TODAY NANO
(2022)
Article
Engineering, Electrical & Electronic
Dayi Zhang, Senthilkumar Subramanian, Rory Hampson, William Jackson, Konstantinos Kontis, Gordon Dobie, Charles Macleod
Summary: Measuring aerodynamics is important in the automotive industry to optimize designs and improve vehicle performance. Traditional pressure sensors, though effective, are large and intrusive, making integration difficult. This article presents a miniature aerodynamic sensor strip that is smaller and maintains high accuracy. The compact design allows for easy deployment and minimal impact on vehicle drag, making it a promising solution for automotive applications.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2023)
Article
Environmental Sciences
Karnan Singaravelu Dharshini, T. Yokesh, Mariappan Mariappan, Fuad Ameen, M. Amirul Islam, Anbazhagan Veerappan
Summary: In this study, silver nanoparticles (AgNPs) were synthesized using eco-friendly methods and their potential for detecting Hg2+ ions in environmental samples was investigated. The aqueous extract of Hemidesmus indicus root rapidly converted silver ions into AgNPs under sunlight. The synthesized AgNPs were found to detect Hg2+ ions and could be immobilized onto paper to create a portable device for sensing mercury in water.
Article
Engineering, Environmental
Ali Pournaghshband Isfahani, Ahmad A. Shamsabadi, Farbod Alimohammadi, Masoud Soroush
Summary: This study presents a simple method to improve the performance of MXene materials for the removal of heavy metal ions from water. Carboxylated MXene shows higher adsorption capacity and faster adsorption rate for mercury ions, as well as improved stability.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Review
Materials Science, Multidisciplinary
Mohamed A. Shenashen, Mohammed Y. Emran, Ayman El Sabagh, Mahmoud M. Selim, Ahmed Elmarakbi, Sherif A. El-Safty
Summary: Food intake provides vitality and nutrients to support living organisms, but food safety and contamination issues have a direct impact on health. The development of new monitoring technologies is crucial for ensuring food safety and environmental benefits. Advancements in sensory devices allow for accurate monitoring and evaluation, supporting standard food quality.
PROGRESS IN MATERIALS SCIENCE
(2022)
Article
Biophysics
Mohammed Y. Emran, Mohamed A. Shenashen, Ayman El Sabagh, Mahmoud M. Selim, Sherif A. El-Safty
Summary: A highly sensitive and selective enzymeless electrochemical acetylcholine sensor based on CuMS@C was designed for detecting ACh in human fluid samples. The sensor exhibited fast sensing property, sensitivity, selectivity, stability, and reusability, making it a promising tool for clinical investigation of ACh levels. The CuMS@C surface morphology and composition played a key role in facilitating ACh diffusion/loading, increasing interface surface area, and enhancing catalytic activity.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Mohammed Y. Emran, Sherif A. El-Safty, Ahmed Elmarakbi, Abduallah Reda, Ayman El Sabagh, Mohamed A. Shenashen
Summary: The functionalized chipset nanosensor designed in this study, using N-CNB and N-CNS, showed enhanced performance for monitoring neurotransmitters in human fluids with high selectivity and sensitivity.
ADVANCED MATERIALS INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Ahmed M. Azzam, Mohamed A. Shenashen, Mohamed S. Selim, Bayaumy Mostafa, Ahmed Tawfik, Sherif A. El-Safty
Summary: In this study, a novel nanomaterial was fabricated for the rapid detection and elimination of bacterial pathogens. The nanospheres exhibited high selectivity and capture efficiency, enabling the rapid detection of Bacillus cereus within 15 minutes.
Article
Chemistry, Applied
Mohamed S. Selim, Ahmed M. Azzam, Shimaa A. Higazy, Sherif A. El-Safty, Mohamed A. Shenashen
Summary: Since the ban on TBT compounds, silicone foul-release coatings have gained increasing attention as environmentally friendly and cost-effective alternatives. In this study, elastomeric nanocomposites of polydimethylsiloxane and graphene oxide with TiO2 nanorods were developed. By controlling the concentration and roughness of the nanofillers, the fouling repellency and superhydrophobicity of the nanocomposites were improved.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Chemistry, Multidisciplinary
Mohamed S. Selim, Nesreen A. Fatthallah, Mohamed A. Shenashen, Shimaa A. Higazy, Hekmat R. Madian, Mahmoud M. Selim, Sherif A. El-Safty
Summary: A catalytic hydrosilation approach was used to construct a bio-inspired porous nanocoating with micro-/nano-roughness, low surface free energy, and high fouling release efficiency. The coating showed simplicity in fabrication, ease of large-area preparation, and the ability to simultaneously offer dual micro-/nano-scale structures. This study may expand the applications of bio-inspired functional materials.
Review
Materials Science, Multidisciplinary
Ahmed Elmasry, Wiyao Azoti, Sherif A. El-Safty, Ahmed Elmarakbi
Summary: This article discusses the importance of modeling and simulation in the materials industry, the application of multiscale techniques in studying composite materials, and the criteria for selecting appropriate models.
PROGRESS IN MATERIALS SCIENCE
(2023)
Article
Chemistry, Physical
Eslam Talaat, Mohammed Y. Emran, Hassanien Gomaa, Ahmed Kotb, Adel A. Abdelwahab, Mohamed Abdel-Hakim, Eman M. Saad, Mohamed. A. Shenashen, Sherif A. El-Safty
Summary: An active electrochemical sensor for screening adrenaline (AD) in human fluid samples and pharmaceutical drugs was developed using sulfur-doped carbon microspheres (S-CMS) and irregular-edge carbon stacked sheet (S-CSS) structures. The S-CSS-based sensor exhibited high selectivity and sensitivity with a wide detection range and a low detection limit for AD. It can be used to monitor AD in pharmaceutical drugs and human blood serum with fast response and using highly economic materials at extremely low concentrations.
SURFACES AND INTERFACES
(2023)
Article
Engineering, Environmental
Hassanien Gomaa, Mohamed A. Shenashen, Mohamed F. Cheira, Keisuke Sueki, Tarek A. Seaf El-Nasr, Mahmoud M. Selim, Sherif A. El-Safty
Summary: This study proposes an efficient method for extracting uranium from raw materials by utilizing Three-dimensional mesoporous silica monoliths (MSMs) derived from affordable and sustainable resources like rice husk. The MSMs exhibit high selectivity in extracting 238U isotopes from altered granite rock.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Green & Sustainable Science & Technology
Hassanien Gomaa, Mohamed A. Shenashen, Mohamed F. Cheira, Keisuke Sueki, Tarek A. Seaf El-Nasr, Mahmoud M. Selim, Sherif A. El-Safty
Summary: The expansion of engineering and development of porous materials from agro-waste-derived for the synthesis of bio-adsorbents as efficient extractors is a significant breakthrough in the economy and environment. This study successfully prepared a novel spongy mesoporous hybrid silica (SMS-L) from wheat straw through dissolution/precipitation methodology. The SMS and SMS-L bio-adsorbents were used to extract/preconcentrate 232Th isotope from Egyptian cataclastic rock (ECR), showing high adsorption capacity depending on the pH value of the extraction process. The research provides important insights into the utilization of sustainable waste and the potential for clean energy applications.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Chemistry, Multidisciplinary
Mohammed Y. Emran, Mohamed A. Shenashen, Ahmed Elmarakbi, Mahmoud M. Selim, Sherif A. El-Safty
Summary: In this study, nonenzymatic electrochemical sensors based on Mn2O3 nanolayers/carbon and Mn2O3 flower-like/carbon structures were designed for the direct, sensitive, and selective monitoring of acetylcholine (ACh) molecules in complex biological environments, demonstrating high stability and selectivity for further investigation and monitoring of neuronal disorders.
NEW JOURNAL OF CHEMISTRY
(2022)
Review
Chemistry, Analytical
Claudia Campanale, Silvia Galafassi, Francesca Di Pippo, Iulian Pojar, Carmine Massarelli, Vito Felice Uricchio
Summary: Biodegradable plastic mulches (BDMs) have the potential to be an eco-friendly alternative to conventional plastic mulches in agriculture. However, their long-term impacts on soil ecosystems are still uncertain, and further research is needed. Incorporating BDMs into the soil may stimulate microbial activity, but there is also a risk of incomplete degradation and release of residual microplastics and additives.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Xuechi Yin, Sijie Liu, Deepak Kukkar, Jianlong Wang, Daohong Zhang, Ki-Hyun Kim
Summary: The lateral flow immunoassay strip is a classic and dominant tool in point-of-care detection, known for its portability and simplicity. However, current colored nanomaterials used as signal labels in LFIA have limited sensing potential, leading to the recognition of composite nanoparticles as alternatives to enhance sensitivity, signal readout diversity, anti-matrix interference, and cost-effectiveness.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Yaxin Cao, Longyi Shao, Timothy P. Jones, Wenjing Deng, M. Santosh, Pengju Liu, Cheng-Xue Yang, Yaowei Li, Daizhou Zhang, Kelly Berube
Summary: The toxicity of fibrous particles in ambient air can be higher than other types of particles. Microfibers can be organic or inorganic and their presence in the atmosphere as a result of human activity raises concerns for environmental and public health. Accurate collection, identification, and understanding of the health hazards associated with these fibers are crucial for mitigation strategies and protection of public health.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Chenchen Xie, Chen Meng, Huilin Liu, Baoguo Sun
Summary: The development of food hazard factor (FHF) detection has been moving towards on-site inspection and mobile law enforcement, calling for simple, fast, and affordable analysis technology to ensure food safety and quality. This review comprehensively summarizes the progress in research on smartphone-assisted MIP optosensors, focusing on the key issues of accuracy and sensitivity.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Guillem Peris-Pastor, Cristian Azorin, Jose Grau, Juan L. Benede, Alberto Chisvert
Summary: Green Analytical Chemistry plays an important role in every stage of method development, including sample preparation. Extraction techniques have evolved from conventional ones to a variety of miniaturized techniques in order to enhance analytical performance and ensure safety for operators and the environment. Green metric tools are used to evaluate the impact and sustainability of methods, with AGREEprep selected as the most suitable tool for evaluating published methods in various applications. The miniaturization of sample preparation strategies has led to the use of less and safer solvents, reduced waste generation and energy consumption, and improved portability and throughput.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Helena Hruskova, Roman Reminek, Frantisek Foret
Summary: This review article summarizes the progress and recent studies in offline electromigration preparative techniques between 2018 and 2023. It covers various techniques including electrophoresis, free-flow electrophoresis, isoelectric focusing, and isotachophoresis, providing theoretical aspects, trends, and solutions to existing limitations in each technique.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Mayank Garg, Nicole Pamme
Summary: This review focuses on the removal strategies of templates from molecularly imprinted polymers (MIPs) used in diagnostic biosensors. Chemical-based and electrochemical-based template extraction approaches are summarized and evaluated, providing guidance for researchers in the fields of analytical chemistry, diagnostics, and materials science for the design of MIP-based sensors.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Ivneet Banga, Anirban Paul, Nathan Kodjo Mintah Churcher, Ruchita Mahesh Kumar, Sriram Muthukumar, Shalini Prasad
Summary: Breathomics is an emerging field that focuses on analyzing exhaled breath to diagnose and monitor respiratory diseases. Electrochemical sensors, with their high sensitivity, selectivity, and low cost, play a significant role in breathomics and can be integrated into portable devices for point-of-care diagnosis.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Fabjola Bilo, Paola Cirelli, Laura Borgese
Summary: This review explores the application of X-ray fluorescence (XRF) spectrometry for elemental analysis of particulate matter (PM) in air quality monitoring. It discusses the fundamentals of XRF, experimental configurations, PM sampling devices and substrate, sample preparation strategies, qualitative and quantitative analysis, as well as the challenges faced by XRF in becoming a reliable analytical technique for PM analysis.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Hakim Faraji
Summary: The dispersive liquid-liquid microextraction (DLLME) technique is widely popular in analytical chemistry due to its high efficiency, cost-effectiveness, and simplicity. Recent advancements have addressed the limitations of DLLME, incorporating greener solvents, innovative dispersion strategies, and simplified procedures. These changes have made DLLME a more sustainable and efficient technique.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Sherin F. Hammad, Inas A. Abdallah, Alaa Bedair, Reda M. Abdelhameed, Marcello Locatelli, Fotouh R. Mansour
Summary: Carbon nanomaterials (CNMs) have excellent capabilities in terms of adsorption, enhanced oxidation, and photocatalysis, attracting widespread attention in different fields. Metal-organic frameworks (MOFs) have been widely used due to their regular network structure, porous nature, and large specific surface area. However, the instability of MOFs in aqueous solutions limits their applications in chemical sensing. Recent studies have focused on increasing the stability of MOFs in water-based matrices through chemical modifications using CNMs.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Alexandra Pape, Oliver J. Schmitz
Summary: Low temperature plasmas based on dielectric barrier discharges have emerged as a recent development in ion source research. These ion sources are applicable to heat-sensitive analytes and can ionize a wide range of compounds. Despite intensive research on important parameters such as configuration, shape, size, and materials in the past two decades, the actual ionization mechanism for all plasma gases has not been fully elucidated. This review provides an overview of atmospheric pressure ion sources, with a focus on plasma and dielectric barrier discharge based ion sources, summarizing the reactions occurring in the plasma and discussing the applications developed by different research groups.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Hai Xiong, Fengli Li, Linyu Zeng, Qiyu Lei
Summary: This review provides an overview of the emerging trends in the use of functional COF nanomaterials as biosensors for DNA/RNA detection. It summarizes the construction of DNA/RNA hybridized COF nanoprobes and their potential applications in bioanalyte detection, biosensing, biomarker imaging, and clinical biomedicine.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Bing Yan
Summary: This article summarizes the recent progress in logic gate computing and operation based on multiple luminescence response and chemical sensing for lanthanide functionalized MOF hybrid systems. The article first describes multi-color luminescence and the subsequent multiple luminescence response. The basic concept of logic gate operation and the advantages of lanthanide-based hybrid materials are then introduced. Reports on logic gate operation using pure lanthanide MOFs are provided, followed by a detailed summary of logic gate operations using lanthanide functionalized MOF hybrid materials. Additionally, the article discusses the practical luminescent detection of analytes by correlating the luminescence responsive signals and the concentration of different analytes. Finally, the article concludes with a prospect for this topic.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)
Review
Chemistry, Analytical
Brij Mohan, Gurjaspreet Singh, Rakesh Kumar Gupta, Pawan Kumar Sharma, Alexander A. Solovev, Armando J. L. Pombeiro, Peng Ren
Summary: Porous materials, particularly hydrogen-bonded organic frameworks (HOFs), have gained significant attention due to their versatile applications and unique properties such as well-defined crystalline structure and easy regeneration processes. This article provides a comprehensive overview of HOFs, including synthesis methods, hydrogen bonding motifs, recent advancements, and potential applications, offering valuable guidance for further exploration in this dynamic field.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2024)