Article
Spectroscopy
Sushama Sahu, Srishti Sharma, Tushar Kant, Kamlesh Shrivas, Kallol K. Ghosh
Summary: A simple, selective and sensitive method based on ILs-AgNPs was proposed for determination of Cys in milk samples. ILs-AgNPs exhibited high colorimetric selectivity for Cys in milk samples, providing accurate measurement of Cys concentration.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Article
Chemistry, Multidisciplinary
Su-Jin Yoon, Yun-Sik Nam, Yeonhee Lee, In Hwan Oh, Kang-Bong Lee
Summary: A colorimetric assay using gold nanoparticles (AuNPs) conjugated with d-penicillamine (DPL) was developed for the dual detection of Hg2+ and As3+. The detection method relies on a significant color change from wine red to dark midnight blue, with detection limits of 0.5 nM and 0.7 nM for Hg2+ and As3+ in water samples, respectively. This novel probe demonstrates high sensitivity and selectivity, making it suitable for environmental monitoring applications.
Article
Engineering, Electrical & Electronic
Anupma Thakur, Sujata Vohra, Pooja Devi
Summary: In this study, a facile colorimetric sensor based on Au/Carbon Dots (Au@CDs) is developed for selective and sensitive detection of l-cysteine. The sensor offers a detection limit of 1 mM based on visual color changes and has potential applications in biological sample analysis.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Review
Chemistry, Multidisciplinary
Maria Fyta
Summary: This review discusses functionalized nanogaps embedded in nanopores, focusing on their high biosensitivity in detecting biomolecules and their length, type, and sequence. Specifically, the review highlights nanoelectrodes functionalized with tiny nanometer-sized diamond-like particles, which provide various functionalization possibilities for gold junction electrodes. This choice of functionalization offers nucleotide-specific binding possibilities, improving the detection signals from such functionalized electrodes potentially embedded in a nanopore.
CHEMISTRY-AN ASIAN JOURNAL
(2023)
Article
Biochemical Research Methods
Sarushi Rastogi, Vinita Kumari, Vasudha Sharma, Farhan Jalees Ahmad
Summary: This study developed a colorimetric method using cysteamine functionalized gold nanoparticles for detection of oxytocin. The method showed good linear correlation between oxytocin concentration and RGB color values, and demonstrated excellent selectivity and suitability for onsite application.
ANALYTICAL BIOCHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Kai-Jen Chuang, Meng-Ru Dong, Purnima Laishram, Gui-Bing Hong
Summary: A colorimetric method based on sodium nitrite-functionalized gold nanoparticles was developed for the detection of acenaphthene and naphthalene. The method showed a linear relationship between the analyte concentration range of 0.1-10 ppm and had a limit of detection of 0.046 ppm for acenaphthene and 0.0015 ppm for naphthalene. The recovery rate for actual samples was found to be within the range of 98.4-103.0%. In selective and anti-interference tests, the presence of cations and anions had minimal impact on the detection of the analyte. This study provides an effective colorimetric method for detecting the presence of acenaphthene and naphthalene in real water samples with a high recovery rate.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biotechnology & Applied Microbiology
Fernanda Raquel Wust Schmitz, Karina Cesca, Alexsandra Valerio, Debora de Oliveira, Dachamir Hotza
Summary: Novel rapid methodologies involving colorimetric biosensors and gold nanoparticles have been developed for the detection of bacteria, specifically Pseudomonas aeruginosa. The biosensor relies on the color change of gold nanoparticles induced by NaCl after incubation with bacteria and aptamer binding. The optimized conditions for detection were found to be 5 μM aptamer concentration and 200 mM of NaCl. The detection limit for P. aeruginosa was 10(5) CFU mL(-1) by the naked eye and 10(4) CFU mL(-1) by UV-Vis spectrometry.
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
(2023)
Article
Chemistry, Analytical
Yinyin Chen, Xingying She, Wei Wu, Xianxiang Wang
Summary: A dual-mode optical probe for the detection of organophosphorus pesticides triazophos (TRP) was developed based on the internal filter effect (IFE) between upconversion nanoparticles (UCNPs) and gold nanoparticles (AuNPs) in the presence of protamine (PRO) and trypsin (TRY). The probe demonstrated high sensitivity for TRP detection with good linear relationship and low detection limits. The recovery of TRP in real food samples also showed satisfactory results.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Applied
Chenxi Jiang, Shuang Ye, Jing Xiao, Chao Tan, Huimin Yu, Xiaoli Xiong, Ke Huang, Yujia Deng, Zhirong Zou
Summary: A miniaturized/portable dual-mode colorimetric analytical system was established using hydride generation as a sampling technique, for the determination of inorganic arsenic in honey and drinking water samples. The system allowed for visual colorimetric readout and RGB readout through a smartphone simultaneously. Good recoveries (90-116%) were achieved for various samples and their spiked samples, confirming the accuracy and potential field analysis application.
Article
Chemistry, Analytical
Afsaneh Orouji, Forough Ghasemi, Mohammad Reza Hormozi-Nezhad
Summary: The oxidation state of an element is crucial for its toxicological impacts on biological ecosystems. Therefore, the development of robust sensing strategies for the detection of species based on their oxidation states or bonding conditions is of great importance. In this study, a multicolorimetric probe utilizing gold nanorods was designed for the identification and quantification of chromium species in water samples.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Physical
Phouphien Keoingthong, Yiting Xu, Shengkai Li, Jieqiong Xu, Liang Zhang, Zhuo Chen, Weihong Tan
Summary: In this study, a magnetic CoRh@G nanozyme with high catalytic efficiency, unique physicochemical properties, and excellent stability was successfully synthesized and used for sensitive colorimetric sensing of dopamine and ascorbic acid. The CoRh@G nanozyme showed superior peroxidase-like activity and high affinity towards 3,3',5,5'-tetramethylbenzydine oxidation.
JOURNAL OF PHYSICAL CHEMISTRY B
(2023)
Article
Chemistry, Physical
Linshan Zhang, Deshun Huang, Guozong Yue, Jing Zhu, Lijun Yang, Luming Yang, Weihua Dan, Pengxiang Zhao
Summary: The colorimetric sensor based on PA-AuNPs demonstrates excellent selectivity in detecting Ni2+ in just 15 minutes, with a detection limit of 5 μM for naked eyes and 0.216 μM for UV-vis spectroscopy.
CHEMICAL PHYSICS LETTERS
(2021)
Article
Food Science & Technology
Marzieh Sepahvand, Forough Ghasemi, Hossein Mir Seyed Hosseini
Summary: This paper discusses the serious threat of irregular and unknowing use of chemical compounds to the environment, human health, and living organisms, emphasizing the importance of monitoring nitrite and nitrate. It comprehensively discusses the application and advantages of nanoplasmonic colorimetric sensors in the measurement of nitrite and nitrate.
FOOD AND CHEMICAL TOXICOLOGY
(2021)
Article
Chemistry, Analytical
C. Loganathan, N. S. K. Gowthaman, S. Abraham John
Summary: This study presents a detection method for the organophosphate pesticide quinalphos using ATA-AuNPs, which showed excellent anti-interference ability and high sensitivity. The developed colorimetric and spectrophotometric methods demonstrated good linearity in detection and practicality in determining quinalphos levels in field water and fruit samples.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Applied
Haiqing Zhang, Zhiqiang Mao, Feiyi Wang, Guichun Yang, Yuexing Zhang, Xiuhua Zhang
Summary: The study presents a fast-response fluorescent read-out probe, NBD-S-Leu, for imaging LAP in living cancer cells and zebrafish models, featuring excellent water solubility, fast response, low cytotoxicity, and tissue permeability. Through 2.5D and 3D confocal imaging, the endogenous LAP distribution in different cells and zebrafish organs was clearly observed for the first time. The fluorescent read-out system not only provides an alternative method for accurate detection of LAP activity but also helps LAP-related pathological analysis and inhibitor screening in living organisms.
Article
Chemistry, Physical
Mehul R. Kateshiya, Naved Malek, Suresh Kumar Kailasa
JOURNAL OF MOLECULAR LIQUIDS
(2020)
Article
Chemistry, Physical
Suresh Kumar Kailasa, Mehul R. Kateshiya, Naved Malek
JOURNAL OF MOLECULAR LIQUIDS
(2020)
Review
Chemistry, Analytical
Suresh Kumar Kailasa, Janardhan Reddy Koduru, Seung Hoon Baek, Hui-Fen Wu, Chaudhery Mustansar Hussain, Tae Jung Park
MICROCHEMICAL JOURNAL
(2020)
Article
Chemistry, Analytical
Shraddha Borse, Z. V. P. Murthy, Tae-Jung Park, Suresh Kumar Kailasa
Summary: A facile one-step green route was introduced for the synthesis of pepsin protected ultra-small blue fluorescent copper nanoclusters for the detection of flutamide and chloramphenicol drugs. The prepared pepsin-CuNCs showed specific fluorescence quenching when in contact with the target drugs, providing a simple analytical protocol for their identification. The method offers detection limits of 61.82 and 188.32 nM for flutamide and chloramphenicol, respectively, in pharmaceutical compositions, biofluids, and water samples.
MICROCHEMICAL JOURNAL
(2021)
Review
Chemistry, Analytical
Suresh Kumar Kailasa, Janardhan Reddy Koduru, Tae Jung Park, Rakesh Kumar Singhal, Hui-Fen Wu
Summary: SDME is recognized as a simple miniaturized sample preparation tool for the isolation and preconcentration of various analytes from complex sample matrices. The use of nanoparticles in SDME enables rapid analysis of trace-level target analytes. Introduction of new extracting solvent systems like ionic liquids, deep eutectic solvents, and SUPRAS improves the selectivity and sensitivity of various analytical techniques towards analytes.
TRENDS IN ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2021)
Article
Engineering, Electrical & Electronic
Vishal Dhavle, Mehul R. Kateshiya, Tae-Jung Park, Suresh Kumar Kailasa
Summary: The colorimetric assay using GSH-Lac-Ag NPs prepared by functionalizing the surface allows rapid and sensitive detection of thiram in real samples, showing high selectivity and suitability for on-site testing.
JOURNAL OF ELECTRONIC MATERIALS
(2021)
Article
Chemistry, Physical
Soujanya Akavaram, Mittal L. Desai, Tae-Jung Park, Z. V. P. Murthy, Suresh Kumar Kailsa
Summary: In this study, gold-silver bimetallic nanoclusters were synthesized using trypsin as a ligand, showing high fluorescence intensity and potential applications in detecting multiple pollutants. The trypsin-decorated Au-Ag NCs were successfully used as probes for fluorescence turn-off for quinalphos and turn-on for Cd2+ and Zn2+ ions, with detection limits at nanomolar concentration. This work provides a new analytical strategy for detecting pollutants and has been validated in food and environmental samples.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Analytical
Jigna R. Bhamore, Anam Rana Gul, Suresh Kumar Kailasa, Kyoung-Woong Kim, Jin Soo Lee, Heewon Park, Tae Jung Park
Summary: A facile, selective, and sensitive optical method based on guanidine thiocyanate (GT)-functionalized gold nanoparticles (AuNPs) has been developed for the quantification of Cd2+ in environmental water samples. The method utilizes the surface plasmon resonance properties of AuNPs to selectively detect Cd2+ by forming a stable complex with GT. The interaction between Cd2+ and GT-AuNPs results in aggregation of the nanoparticles, causing a detectable color change visible to the naked eye and by UV-vis spectroscopy.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Environmental Sciences
Subhadeep Ghosh, Anam Rana Gul, Chan Yeong Park, Min Woo Kim, Ping Xu, Seung Hoon Baek, Jigna R. Bhamore, Suresh Kumar Kailasa, Tae Jung Park
Summary: A convenient one-pot synthetic route for the fabrication of carbon dots TEF-CDs from Tagetes erecta flower was developed, showing high selectivity towards chlorpyrifos and quinalphos as fluorescent probes. The synthesized CDs exhibited strong blue fluorescence, a high quantum yield, and were mainly composed of C, O, and N. Furthermore, the TEF-CDs-based fluorescent nanoprobe showed effective accuracy in estimating chlorpyrifos and quinalphos in rice and fruit samples with rapid detection time.
Review
Electrochemistry
Atul Kumar Mishra, Harsh A. Chaliyawala, Roma Patel, Sagar Paneliya, Anjali Vanpariya, Pratik Patel, Abhijit Ray, Ranjan Pati, Indrajit Mukhopadhyay
Summary: Inorganic solid-state electrolytes for lithium-ion all solid-state batteries are gaining attention for their high energy density, stability, and cost-effectiveness. However, challenges such as low Li-ion conductivity and high electrode-electrolyte interfacial resistance need to be addressed for better performance and stability.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Chemistry, Analytical
Subhadeep Ghosh, Anam Rana Gul, Chan Yeong Park, Ping Xu, Seung Hoon Baek, Jigna R. Bhamore, Min Woo Kim, Min Lee, Suresh Kumar Kailasa, Tae Jung Park
Summary: This study successfully synthesized carbon dots with high quantum yield and excitation-dependent emission spectra from Calotropis procera leaves through hydrothermal carbonization. The CDs exhibited robust fluorescence performance without requiring surface modifications and showed good fluorescence intensity under different pH conditions.
MICROCHEMICAL JOURNAL
(2021)
Article
Electrochemistry
Prerna Vinchhi, Roma Patel, Indrajit Mukhopadhyay, Abhijit Ray, Ranjan Pati
Summary: This study investigates the impact of Sm3+ doping concentration on the grain boundary ionic conductivity of ceria. Materials were prepared using a modified co-precipitation method and sintered at high temperature to achieve highly dense pellets. Structural analyses confirmed the single phase cubic structure of samaria doped ceria (SDC) nanoparticles, and the ionic conductivity measurements showed superior grain boundary conductivity for certain compositions.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Electrochemistry
Naznin Shaikh, Ranjan Pati, Indrajit Mukhopadhyay, Abhijit Ray
Summary: In this study, a hierarchical Ni-Mo bimetallic surface alloy @ microporous 3D Ni support was fabricated, which exhibited hydrogen evolution performance comparable to Pt benchmark. The optimized electrocatalyst showed low overpotentials in both acidic and alkaline media, as well as low Tafel slopes. The density functional theory based approach suggested that the free-energy of hydrogen adsorption-desorption was lower for the developed electrocatalyst.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Review
Chemistry, Analytical
Suresh Kumar Kailasa, Vaibhavkumar N. Mehta, Janardhan Reddy Koduru, Hirakendu Basu, Rakesh Kumar Singhal, Z. V. P. Murthy, Tae-Jung Park
Summary: This article discusses the use of molecular biology tools and nanotechnology-based analytical tools in the diagnosis of COVID-19, focusing on the rapid screening and accurate detection of 2019-nCoV. These tools play a crucial role in minimizing local transmission and preventing an epidemic.
Review
Engineering, Environmental
Hirakendu Basu, Sudeshna Saha, Suresh Kumar Kailasa, Rakesh Kumar Singhal
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
(2020)
Article
Chemistry, Analytical
Gang Qu, Yuxin Zhao, Qiaoli Zhang, Jina Wu, Xiaosen Li, Yang Yang, Shilei Liu
Summary: In this study, magnetic mesoporous materials combined with real-time in situ mass spectrometry were used for the high-throughput detection of hydrolyzed products of organophosphorus nerve agents. The method showed good linearity, low limits of detection and quantification, and high extraction recoveries. The magnetic preparation method used was quick, cost-effective, rugged, and safe. The results demonstrated the potential of this method for rapid and efficient determination of the target analytes in environmental samples.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Anna Hildebrand, Mariam Merchant, Danny O'Hare
Summary: Substandard and falsified artemisinin derivatives in antimalarials have caused significant deaths and economic losses. This study evaluates the feasibility of voltammetric methods for identifying and quantifying artemether. The findings suggest that electrochemical analysis shows promise as a method for artemether identification and quantification.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Marx Osorio Araujo Pereira, Alvaro Ferreira Junior, Edson Silvio Batista Rodrigues, Helena Mulser, Giovanna Nascimento de Mello e Silva, Wallans Torres Pio dos Santos, Eric de Souza Gil
Summary: Brazilian spotted fever (BSF) is a serious and rapidly evolving disease. A new impedimetric immunosensor was developed for rapid diagnosis by measuring specific antibodies in plasma. The sensor demonstrated selectivity and accuracy, and has potential for important applications in diagnostic testing.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Kathrin Schilling, Ronald A. Glabonjat, Olgica Balac, Marta Galvez-Fernandez, Arce Domingo-Relloso, Vesna Slavkovich, Jeff Goldsmith, Miranda R. Jones, Tiffany R. Sanchez, Ana Navas-Acien
Summary: Analysis of trace elements in urine is an important tool for assessing exposures, diagnosing nutritional status, and guiding public health and healthcare intervention. This study provides a sensitive method for analyzing 18 elements in urine samples, using only 100 μL. The results show good accuracy and sensitivity of the method.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Mengya Li, Shijie Liu, Shiliang Guo, Dong Liang, Miaoyun Li, Yaodi Zhu, Lijun Zhao, Jong-Hoon Lee, Gaiming Zhao, Yangyang Ma, Yanxia Liu
Summary: In this study, a magnetic flow device was developed to purify spores in a culture medium system. The device used magnetic nanoparticles to absorb vegetative cells, separating them from the spores. The achieved purity of the collected spores was over 95%. The study also demonstrated a rapid quantitative detection method using Raman spectroscopy.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Wanqiong Liu, Zixuan Wu, Jianwei Peng, Zebin Xu, Yong Liang
Summary: Metal-organic frameworks (MOFs) are effective carriers for molecular imprinting, but their poor dispersibility in aqueous solution is a significant drawback. In this study, we have applied amphiphilic block copolymers and molecularly imprinted technology on MOFs to improve the hydrophilicity of molecularly imprinted fluorescent materials.
ANALYTICAL METHODS
(2024)
