Article
Chemistry, Analytical
Titilope John Jayeoye, Uraiwan Sirimahachai, Panwadee Wattanasin, Thitima Rujiralai
Summary: The stable and dispersed aqueous nanocomposite of poly(aniline boronic acid)/gum tragacanth stabilized silver nanoparticles (PABA/GT@AgNPs) was synthesized and used as a colorimetric nanoprobe for Hg2+. It showed good sensitivity, wide linear range, and was not affected by other interfering ions.
MICROCHEMICAL JOURNAL
(2022)
Article
Polymer Science
Rohith K. Ramakrishnan, Daniele Silvestri, Nechikkottil S. Sumitha, Nhung H. A. Nguyen, Karel Havlicek, Dariusz Lukowiec, Stanislaw Waclawek, Miroslav Cernik, Diwakar Tiwari, Vinod V. T. Padil, Rajender S. Varma
Summary: In this study, a self-assembled gum kondagogu-sodium alginate bioconjugate sponge adorned with silver nanoparticles was successfully developed using a green synthesis strategy. The properties of the nanocomposite sponge were analyzed, and it exhibited good shape memory, mechanical properties, and catalytic effectiveness. This sponge has potential applications in the treatment of organic contaminants in water.
Article
Nanoscience & Nanotechnology
Jilai Jia, Xiaoping Du, Xuqin Lv, Fang Xie, Jiaojiao Zhou, Jie Cai
Summary: A DNA-mediated growth strategy was developed in this study for the synthesis of platinum nanoparticles (PtNPs) on the surface of graphene oxide (GO). The resulting GO-DNA-PtNPs exhibited excellent peroxidase-mimicking activity, and the activity could be inhibited by Hg(2+) due to the specific trapping of Hg2+ by thymine bases (T-Hg2+-T) and in situ reduction of Hg2+ by PtNPs on the GO surface. The sensor showed good linear range (from 1 pM to 1 μM) and a detection limit of 2.2 pM for Hg2+ analysis, demonstrating excellent analytical performance in complex lake waters.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Physical
Sadia Shakeel, Farah Naz Talpur, Nadia Sirajuddin, Nadia Anwar, Muhammad Aamir Iqbal, Adnan Ibrahim, Hassan Imran Afridi, Ahsanullah A. Unar, Awais Khalid, Inas Ahmed, Wen-Cheng Lai, Muhammad Sohail Bashir
Summary: An environmentally safe and efficient technique using microwave-assisted synthesis of silver nanoparticles (AgNPs) was developed. Xanthan gum (XG) was used as both a reducing and capping agent for the uniform synthesis of AgNPs. The synthesized XG-AgNPs were characterized using UV-Vis spectroscopy, atomic force microscopy, and Fourier transform infrared spectroscopy. These XG-AgNPs were successfully used as sensors for the voltammetric evaluation of mercury ions (Hg2+), showing excellent detection limits and linear response range. The proposed method also demonstrated good selectivity for Hg2+ detection in the presence of other metal ions.
Article
Chemistry, Applied
Jian-Peng Hu, Qi Lin, Hong Yao, You-Ming Zhang, Tai-Bao Wei
Summary: A colorimetric and fluorometric sensor (RA) has been developed using a simple Schiff base reaction, which enables effective and simultaneous detection of multimetal ions. It shows ultra-sensitive detection limit for heavy metal mercury ions.
APPLIED ORGANOMETALLIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Samie YaseenSharaf Zeebaree, Osama Ismail Haji, Aymn Yaseen Sharaf Zeebaree, Dunya Akram Hussein, Emad Hameed Hanna
Summary: Scientists and researchers have successfully fabricated an eco-friendly, low-cost, and rapid colorimetric sensor of silver nanoparticles using tree gum as a reducing and stabilizing agent. This sensor demonstrates high sensitivity and colorimetric detection of mercury ions in water samples.
Article
Chemistry, Applied
Yen-Chang Su, Ai-Yu Lin, Cho-Chun Hu, Tai-Chia Chiu
Summary: A colorimetric assay utilizing fluorescein-functionalized silver nanoparticles was developed for selective and sensitive detection of tricyclazole. The method allowed for accurate quantification of tricyclazole in rice samples with good selectivity and successful monitoring capabilities.
Article
Chemistry, Physical
Dilek Demirezen Yilmaz, Derya Aksu Demirezen, Hamdi Mihciokur
Summary: This study investigates colorimetric sensing of mercury ions in aqueous medium using chlorophyll-functionalized green synthesized silver nanoparticles. The functionalized nanoparticles showed high detectability for mercury ions, with excellent selectivity and accuracy in detecting known concentrations of mercury ions in river water samples.
SURFACES AND INTERFACES
(2021)
Article
Chemistry, Analytical
Pengfei Fan, Shunzhen He, Jianlin Cheng, Congcong Hu, Can Liu, Shengyuan Yang, Jinquan Liu
Summary: A colorimetric sensing method based on l-Cys-Ag NPs was developed for detecting Hg2+ in aqueous solutions. The method showed good selectivity and sensitivity, with a detection limit of 8 nM, and has vast application potential for determination of Hg2+ in the environment.
Article
Materials Science, Multidisciplinary
Nasir Mahmood Abbasi, Muhammad Usman Hameed, Najma Nasim, Farid Ahmed, Faizah Altaf, Shabnam Shahida, Sana Fayyaz, Syed Mubashar Sabir, Patrizia Bocchetta
Summary: A selective colorimetric sensor based on starch functionalized silver nanoparticles was developed for rapid detection of Hg2+ in real samples. The proposed method showed strong selectivity and sensitivity to Hg2+ ions, with a detection limit of 1 ppm.
Article
Materials Science, Multidisciplinary
Xiao-Ying Liu, Zi-Lin Zhao, Ting-Ting Hao, Xing Li
Summary: In this work, a simple visual and rapid colorimetric strategy for detecting Hg2+ based on gold nanoparticles modified with sulfadiazine was proposed and characterized by TEM, DLS, XRD, and UV-vis. The color of the solution changed from red to blue gray with increasing Hg2+ concentration due to the aggregation of AuNPs with anti-interference. The LOD was 1.0 μg/mL by the naked eye and 0.071 μg/mL by UV-vis spectroscopy, with a good linear relationship (R2 = 0.994), indicating the potential use of AuNPs modified with sulfadiazine for quantitative determination of Hg2+. The SDZ-AuNPs detection system exhibited excellent selectivity for Hg2+ compared to other interferents in cosmetics, suggesting its successful application in real sample detection of Hg2+.
Article
Nanoscience & Nanotechnology
Titilope John Jayeoye, Fredrick Nwude Eze, Oladipupo Odunayo Olatunde, Sudarshan Singh, Jian Zuo, Opeyemi Joshua Olatunji
Summary: This study successfully synthesized biocompatible AgNPs using Securidaca inappendiculata stem extract, which showed excellent antimicrobial, antioxidant, hemolytic, cytotoxicity, and antidiabetic properties. Additionally, the extract was utilized as a colorimetric nanoprobe for Hg2+ detection in water samples, demonstrating good accuracy and practicality in environmental monitoring.
INTERNATIONAL JOURNAL OF NANOMEDICINE
(2021)
Article
Chemistry, Analytical
Roomia Memon, Ayaz Ali Memon, Sirajuddin, Aamna Balouch, Kanwal Memon, Syed Tufail Hussain Sherazi, Anwar Ali Chandio, Raj Kumar
Summary: The study focuses on the green, efficient, and simple synthesis of silver nanoparticles using Ziziphus mauritiana leaves extract as a capping and reducing agent. The synthesized nanoparticles were characterized using various techniques and were successfully applied for colorimetric detection of mercury in aqueous media. The developed method shows high sensitivity, low detection limit, and good environmental adaptability.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2022)
Article
Engineering, Environmental
Titilope John Jayeoye, Jie Ma, Thitima Rujiralai
Summary: A sensitive and selective colorimetric assay for silver ion detection was demonstrated using creatinine assembled on dithiobis(succinimidylpropionate) modified gold nanoparticles as an optical probe. The method showed high accuracy and precision in detecting Ag+ in water samples, with a detection limit far below the acceptable limit set by USEPA. The aggregation of nanoparticles led to a color change from red to blue-grey, providing a visual indication of Ag+ presence.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Nanoscience & Nanotechnology
Min Xia Quan, Qing Feng Yao, Qing Yu Liu, Zhen Qi Bu, Xue Zhi Ding, Li Qiu Xia, Jiao Yang Lu, Wei Tao Huang
Summary: This study demonstrated that AgNPs have multimode colorimetric sensing capabilities to different metal ions and can be utilized for molecular logic computing and molecular information protection. The AgNPs can quantitatively and sensitively detect Cr3+ and Hg2+ in actual water samples, and their multimode-guided multianalyte sensing processing can be used to construct logic gates and cascaded logic circuits. Additionally, the selective responses and molecular logic computing ability of AgNPs were used to develop molecular cryptosteganography for encrypting and hiding specific information.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Biochemical Research Methods
Lori Rastogi, Sashidhar Rao Beedu, Aruna Jyothi Kora
IET NANOBIOTECHNOLOGY
(2015)
Article
Agricultural Engineering
Aruna Jyothi Kora, Lori Rastogi
INDUSTRIAL CROPS AND PRODUCTS
(2016)
Article
Environmental Sciences
Aruna Jyothi Kora, Lori Rastogi
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2016)
Article
Chemistry, Multidisciplinary
K. Dash, Lori Rastogi, S. Thangavel, G. Venkateswarulu
Article
Biochemical Research Methods
Aruna Jyothi Kora, Lori Rastogi
IET NANOBIOTECHNOLOGY
(2017)
Article
Chemistry, Analytical
Lori Rastogi, K. Dash, A. Ballal
SENSORS AND ACTUATORS B-CHEMICAL
(2017)
Article
Chemistry, Analytical
Lori Rastogi, D. Karunasagar, R. B. Sashidhar, Archana Giri
SENSORS AND ACTUATORS B-CHEMICAL
(2017)
Article
Chemistry, Analytical
Aruna Jyothi Kora, Lori Rastogi
SENSORS AND ACTUATORS B-CHEMICAL
(2018)
Article
Biophysics
Lori Rastogi, J. Arunachalam
COLLOIDS AND SURFACES B-BIOINTERFACES
(2013)
Article
Chemistry, Analytical
Lori Rastogi, M. V. Balarama Krishna, K. Chandrasekaran, D. Karunasagar
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2014)
Article
Materials Science, Biomaterials
Lori Rastogi, Aruna Jyothi Kora, J. Arunachalam
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
(2012)
Article
Nanoscience & Nanotechnology
Lori Rastogi, Aruna Jyothi Kora, R. B. Sashidhar
APPLIED NANOSCIENCE
(2015)
Article
Chemistry, Analytical
Lori Rastogi, A. Durga Prasad, R. Manjusha, K. Dash, Sunil Jai Kumar
ACCREDITATION AND QUALITY ASSURANCE
(2019)
Article
Pharmacology & Pharmacy
L. Rastogi, K. Dash, J. Arunachalam
JOURNAL OF PHARMACEUTICAL ANALYSIS
(2013)
Article
Chemistry, Analytical
Qian Wu, Li Tian, Xiangyu Shan, Huiling Li, Chao Li, Juan Lu
Summary: A novel ECL sensor was developed by modifying Fe3CuO4-Ru(bpy)3+ and GO-CdS@ZnS on the electrode for the detection of permethrin. The sensor exhibited high sensitivity and a wide detection range.
Article
Chemistry, Analytical
Tingting Gong, Lei Liao, Bingying Jiang, Ruo Yuan, Yun Xiang
Summary: In this study, a fluorescent biosensing system for high sensitivity detection of MT was established using a new Ag+-stabilized DNA triplex probe (Ag+-SDTP) combined with catalytic hairpin assembly (CHA) and CRISPR/Cas12a signal enhancements. The sensing method is able to selectively detect MT from other non-specific molecules and can achieve low level detection of MT in diluted human serums, demonstrating its potential for monitoring disease-specific MT biomarker at trace levels.
Article
Chemistry, Analytical
Estrella Sanz Rodriguez, Kyra Wood, Paul R. Haddad, Brett Paull
Summary: This study presents a simple, rapid, and reliable method for determining boron in aqueous solutions using suppressed ion chromatography coupled to electrospray ionisation-triple quadrupole mass spectrometry. The method achieved a low limit of detection and demonstrated excellent analytical performance.
Article
Chemistry, Analytical
Aline Cournut, Paul Moustiez, Yannick Coffinier, Christine Enjalbal, Claudia Bich
Summary: Alzheimer's disease is a major cause of senile dementia and is characterized by the aggregation of neurofibrillary tangles and amyloid plaques in the brain. The A beta 1-42 peptide is considered the primary cause of neurotoxicity due to its insolubility and subsequent aggregation. A beta 1-42 and A beta 1-40 have been identified as relevant biomarkers for AD diagnosis, and SurfaceAssisted Laser Desorption/Ionization Mass Spectrometry (SALDI-MS) was used to monitor the A beta 1-42/A beta 1-40 ratio without prior sample treatment.
Article
Chemistry, Analytical
Dotse Selali Chormey, Buse Tugba Zaman, Tulay Borahan Kustanto, Sezin Erarpat Bodur, Suleyman Bodur, Elif Ozturk Er, Sezgin Bakirdere
Summary: This review provides an overview of the harmful effects of endocrine disrupting chemicals (EDCs) on human health and introduces the methods for analyzing EDCs. Recent research has focused on using green chemicals, such as deep eutectic solvents (DESs), for microextraction to ensure environmental safety.
Article
Chemistry, Analytical
Yan Zhang, Renfeng Xu, Jingjing Wu, Zhenghong Zhang, Yuhuang Wang, Hongqin Yang, Sheng Zhang
Summary: This study visualized the pore-like structures in prostate cancer cell membranes after treatment with the anticancer drug paclitaxel, demonstrating its mechanism of action related to oxidative damage.
Article
Chemistry, Analytical
Chihong Ma, Qin Zhou, Jinjin Shi, Hua Gao, Di Huang, Huimin Xue, Han Wang, Zhenzhong Zhang, Sen Yang, Junli Zhang, Kaixiang Zhang
Summary: We developed a CRISPR-empowered electrochemical biosensor, named PER-E-CRISPR, for amplification-free and sensitive detection of miR-21. The biosensor combines the advantages of CRISPR/Cas13a and primer exchange reaction (PER) for target amplification. Under optimized conditions, the PER-E-CRISPR assay exhibits a linear range from 10-13 to 10-7 M and a limit of detection of 30.2 fM. The biosensor shows excellent performance in actual plasma, indicating promising prospects for miRNA detection in molecular diagnosis.
Article
Chemistry, Analytical
Gang Liang, Jie Zhao, Yufei Gao, Tao Xie, Jianhui Zhen, Ligang Pan, Wenwen Gong
Summary: Molecular docking (MD) analysis is widely used for studying the interaction between aptamers and small molecules. This study established steady-state aptamers of tertiary structures (SATS) using specific aptamers of tetracycline antibiotics as docking models. Molecular docking results revealed multiple binding sites in the SATS of aptamers, with significant variations in binding free energy (BFE) and docking score (DS). The study also proposed a method for MD analysis based on SATS, providing insights into binding mode and predicting binding sites.
Article
Chemistry, Analytical
Yixuan Xu, Changchang Teng, Huiping Dang, Dalong Yin, Lifeng Yan
Summary: Stable organic radical molecules with high NIR fluorescence quantum efficiency have been synthesized and encapsulated into nanoparticles, which show great potential for both photodynamic therapy (PDT) and photothermal therapy (PTT) of tumors.
Article
Chemistry, Analytical
Yu Su, Dandan Yang, Yanjie Wang, Jie Ding, Lan Ding, Daqian Song
Summary: In this study, a highly selective molecularly imprinted polymer Cu-MIPs@CS was designed and synthesized for bisphenol A (BPA). Cu-MIPs@CS showed significantly enhanced imprinting factor and selective factor towards BPA compared to MIPs@CS. It also exhibited superior discrimination ability between BPA and its structural analogue. Additionally, Cu-MIPs@CS were successfully applied as a solid phase extraction adsorbent for the determination of BPA in drinking water samples.
Article
Chemistry, Analytical
Yi Qiao, Qiongdan Zhang, Yukun He, Tianguang Cheng, Jing Tu
Summary: Single cell heterogeneity plays an important role in many biological phenomena, and distinguishing cells with specific mutations is beneficial for clinical diagnosis and drug screening. This study introduces a gel plate platform that can distinguish cell types based on their phenotypes, with low equipment requirement. The gel platform has potential in point-of-care circumstances and single-cell stimulation responses that prioritize efficiency and simplicity.
Article
Chemistry, Analytical
Chengke Wang, Shuyang Sun, Ping Wang, Huawei Zhao, Wenling Li
Summary: The food safety of aquatic products is a global concern. Nanotechnology-based analyses have advantages in the detection of bacteria, metal ions, and small molecule contaminants. This review summarizes the recent advances in biosensing strategies for aquatic products and highlights the application of nanomaterials, lateral flow-based biosensors, surface-enhanced Raman scattering, microfluidic chips, and molecular imprinting technologies.
Article
Chemistry, Analytical
Liping Zhu, Zeng Tang, Xuemei Zhang, Li Zhu, Tian Meng, Linying Yu, Ting Xiao, Shasha Lu, Xiaoli Xiong, Xiurong Yang
Summary: A sensitive off-on electrochemiluminescence DNA sensor was developed using Exo III-assisted cascade amplification system. The sensor achieved high selectivity and ultra-high sensitivity in detecting target DNA by utilizing ECL and SPR effects. This study provides a new perspective for designing highly sensitive and programmable ECL biosensors.
Article
Chemistry, Analytical
Tong Li, Mengxu Sun, Suping Xia, Ting Huang, Rong-Tian Li, Chunrong Li, Zong Dai, Jin-Xiang Chen, Jun Chen, Nuan Jia
Summary: Here, we developed a binary system based on DNA tetrahedron and fluorogenic RNA aptamers for highly specific and label-free mRNA imaging in living cells. This system achieved high specificity label-free detection of nucleic acids with a detection limit of 1.34 nM. The method has potential applications in early disease diagnosis and new drug development.
Article
Chemistry, Analytical
Yao Zhao, Shu Zhang, Wang Yao, Yuxuan Zhu, Jing Qian, Juan Yang, Nianjun Yang
Summary: A new hierarchical nanostructured composite with high conductivity and catalytic activity is synthesized. The sensor exhibits significant catalytic effect and high sensitivity for monitoring the environmental endocrine disruptor bisphenol A (BPA).