151
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Liu Y, Su X, Chen L, Liu H, Zhang C, Liu J, Hao J, Shangguan Y, Zhu G. Green preparation of carbon dots from Momordica charantia L. for rapid and effective sensing of p-aminoazobenzene in environmental samples. ENVIRONMENTAL RESEARCH 2021; 198:111279. [PMID: 33961826 DOI: 10.1016/j.envres.2021.111279] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 04/24/2021] [Accepted: 04/30/2021] [Indexed: 06/12/2023]
Abstract
p-Aminoazobenzene (pAAB) is a hazardous azo dye that causes considerable harm to human health and the environment. The development of novel and sensitive sensors for the rapid detection of pAAB is in high demand. In this study, a simple fluorescent sensor for pAAB detection is designed based on carbon dots (CDs) which are prepared using green carbon source of Momordica charantia L. via a facile hydrothermal approach. The fluorescence spectra of CDs exhibit considerable overlap with the absorption band of pAAB, and the fluorescence is specifically suppressed in the presence of pAAB ascribed to the inner filter effect. Good and wide linearity is observed in the pAAB concentration range of 0.01-12.5 μg mL-1 with a lower detection limit of 3.9 ng mL-1. The established method achieves good results with a rapid analysis of pAAB in different practical water and soil samples. The as-constructed fluorescent sensor provides a simple, rapid, economical and eco-friendly platform and possesses prospective applications for the effective, selective and sensitive detection of pAAB in the environmental field.
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Affiliation(s)
- Yongli Liu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China.
| | - Xiaoyan Su
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Letian Chen
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Huanjia Liu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Chunyuan Zhang
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Jiali Liu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Jiayi Hao
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Yu Shangguan
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Guifen Zhu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China.
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152
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Liu Y, Zhang L, Liang Y, Yang H, Guo X, Dong W. Spectroscopic cyclic voltammetry, and molecular docking study on the molecular interaction between synthesized blue emitting nitrogen‐doped carbon dots and human serum albumin. NANO SELECT 2021. [DOI: 10.1002/nano.202100148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Yufeng Liu
- College of Pharmacy Liaoning University Shenyang P.R. China
| | - Lizhi Zhang
- College of Chemistry Liaoning University Shenyang P.R. China
| | - YuanHao Liang
- College of Pharmacy Liaoning University Shenyang P.R. China
| | - Hongtian Yang
- College of Pharmacy Liaoning University Shenyang P.R. China
| | - Xingjia Guo
- College of Chemistry Liaoning University Shenyang P.R. China
| | - Wei Dong
- College of Pharmacy Medical College Shenyang P.R. China
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153
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Lei S, Chang N, Zhang J, Wang H. Dopamine Functionalized S,N Co-doped Carbon Dots as a Fluorescent Sensor for the Selective Detection of Fe 3+ and Fe 2+ in Water. ANAL SCI 2021; 37:851-857. [PMID: 33071264 DOI: 10.2116/analsci.20p294] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In current work, novel functionalized carbon dots have been designed and synthesized by covalently linking dopamine to the surface of S,N co-doped carbon dots (DA-S,N-CDs) for the selective detection of Fe3+ and Fe2+ in water. The as-synthesized DA-S,N-CDs emit blue fluorescence peaked at 470 nm and exhibit excitation-dependent tunable emissions. The tolerance towards pH, salt, and UV irradiation of synthesized carbon dots reveals excellent stability. Upon exposure to Fe3+ or Fe2+, the fluorescence of DA-S,N-CDs was selectively quenched, while other competitive cations did not change significantly. Under the optimal experimental conditions, the fluorescence intensity of DA-S,N-CDs showed a good linear relationship with the concentrations of Fe3+ and Fe2+ (5 - 200 μM for Fe3+ and 5 - 300 μM for Fe2+), and the limit of detection was 2.86 and 2.06 μM, respectively. Furthermore, considering the excellent stability and anti-interference, DA-S,N-CDs have been successfully used for the detection of Fe3+ and Fe2+ in environmental water.
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Affiliation(s)
- Siyu Lei
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University.,School of Chemistry and Chemical Engineering, Tiangong University
| | - Na Chang
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University.,School of Chemistry and Chemical Engineering, Tiangong University
| | - Jimei Zhang
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University.,School of Chemistry and Chemical Engineering, Tiangong University
| | - Haitao Wang
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University.,School of Environmental Science and Engineering, Tiangong University
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154
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Kaur L, Sohal HS, Kaur M, Malhi DS, Garg S. A Mini-Review on Nano Technology in the Tumour Targeting Strategies: Drug Delivery to Cancer Cells. Anticancer Agents Med Chem 2021; 20:2012-2024. [PMID: 32753024 DOI: 10.2174/1871520620666200804103714] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/20/2020] [Accepted: 07/16/2020] [Indexed: 01/17/2023]
Abstract
BACKGROUND Recently, the application of cancer nanotechnology-based drug delivery to cancer cells has arisen as an important method to resolve multiple molecular, biophysical, and biochemical obstacles, which the body is preparing to resist against the productive implementation of chemotherapeutic medications. Drug delivery technologies focused on nanoparticles, which have resolved some of the drawbacks of conventional chemotherapy as, decreased drug viscosity, chemo-resistance, precise malignity, limited medicative measures with low oral bioactivity. Due to their adjustable size and surface properties, the half-life period of a drug can be increased in the bloodstream. OBJECTIVE The aim of the current study is to collect and document the data available on the drug delivery system for anticancer drugs. The present study includes some of the drug carriers like liposomes, carbon dots, micelles, carbon nanotubes, magnetic nanoparticles, etc. Methods: To write this review, an exhaustive literature survey was carried out using relevant work published in various SCI, Scopus, and non-SCI indexed journals. The different search engines used to download the research/ review papers are Google search, PubMed, Science Direct, Google Scholar, Scientific Information Database and Research Gate, etc. Results: Nanotechnology offers better pharmacokinetics, reduces the systematic toxicities related to the chemotherapies and a better route of drug administration. In the analysis, we critically highlight recent studies on carcinoma-fighting nanotechnology. CONCLUSION In the present study, different kinds of nano-based drug delivery systems have been discussed along with their characteristic features, the encapsulation of anticancer agents into different types of nanometresized vehicles and their general mechanism.
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Affiliation(s)
- Loveleen Kaur
- Medicinal and Natural Product Laboratory, Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
| | - Harvinder S Sohal
- Medicinal and Natural Product Laboratory, Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
| | - Manvinder Kaur
- Medicinal and Natural Product Laboratory, Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
| | - Dharambeer S Malhi
- Medicinal and Natural Product Laboratory, Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
| | - Sonali Garg
- Medicinal and Natural Product Laboratory, Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
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155
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Sethuraman V, Janakiraman K, Krishnaswami V, Kandasamy R. Recent Progress in Stimuli-Responsive Intelligent Nano Scale Drug Delivery Systems: A Special Focus Towards pH-Sensitive Systems. Curr Drug Targets 2021; 22:947-966. [PMID: 33511953 DOI: 10.2174/1389450122999210128180058] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/12/2020] [Accepted: 11/24/2020] [Indexed: 11/22/2022]
Abstract
Stimuli-responsive nanocarriers are gaining much attention due to their versatile multifunctional activities, including disease diagnosis and treatment. Recently, clinical applications of nano-drug delivery systems for cancer treatment pose a challenge due to their limited cellular uptake, low bioavailability, poor targetability, stability issues, and unfavourable pharmacokinetics. To overcome these issues, researchers are focussing on stimuli-responsive systems. Nanocarriers elicit their role through endogenous (pH, temperature, enzyme, and redox) or exogenous (temperature, light, magnetic field, ultrasound) stimulus. These systems were designed to overcome the shortcomings such as non-specificity and toxicity associated with the conventional drug delivery systems. The pH variation between healthy cells and tumor microenvironment creates a platform for the generation of pH-sensitive nano delivery systems. Herein, we propose to present an overview of various internal and external stimuli-responsive behavior-based drug delivery systems. Herein, the present review will focus specifically on the significance of various pH-responsive nanomaterials such as polymeric nanoparticles, nano micelles, inorganic-based pH-sensitive drug delivery carriers such as calcium phosphate nanoparticles, and carbon dots in cancer treatment. Moreover, this review elaborates the recent findings on pH-based stimuli-responsive drug delivery systems with special emphasis on our reported stimuli-responsive systems for cancer treatment.
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Affiliation(s)
- Vaidevi Sethuraman
- Centre for Excellence in Nanobio Translational Research (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
| | - Kumar Janakiraman
- Centre for Excellence in Nanobio Translational Research (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
| | - Venkateshwaran Krishnaswami
- Department of Allied Health Sciences, Noorul Islam Center for Higher Education (Deemed University), Kumaracoil, Kanyakumari, Tamil Nadu, India
| | - Ruckmani Kandasamy
- Centre for Excellence in Nanobio Translational Research (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
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156
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Humaera NA, Fahri AN, Armynah B, Tahir D. Natural source of carbon dots from part of a plant and its applications: a review. LUMINESCENCE 2021; 36:1354-1364. [PMID: 33982393 DOI: 10.1002/bio.4084] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 05/04/2021] [Accepted: 05/10/2021] [Indexed: 12/14/2022]
Abstract
Carbon dots (CDs) are carbon nanoparticles with a size of less than 10 nm, and are synthesized from various sources; they have been of great interest to scientists worldwide due to their unique optical, electrical, and chemical properties. Sources of carbon are inexpensive and can be classified as a renewable natural resources. Many researchers use CDs because of their low toxicity, better water solubility, high biocompatibility, and stable photoluminescence. The simple methods for producing CDs are hydrothermal and use inexpensive equipment, have low energy consumption, simple manipulation, and one-step preparation. Since the discovery of CDs, researchers have used them in various applications such as sensing, bioimaging, drug delivery, and catalysis. In this review, CDs synthesized from natural resources such as samples from herbs, roots, leaves, flowers, and fruit and some applications are described. This review provides a summary of carbon dots that is expected to provide further information for development of new CDs.
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Affiliation(s)
| | | | | | - Dahlang Tahir
- Department of Physics, Hasanuddin University, Makassar, Indonesia
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157
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Vedhanayagam M, Raja IS, Molkenova A, Atabaev TS, Sreeram KJ, Han DW. Carbon Dots-Mediated Fluorescent Scaffolds: Recent Trends in Image-Guided Tissue Engineering Applications. Int J Mol Sci 2021; 22:5378. [PMID: 34065357 PMCID: PMC8190637 DOI: 10.3390/ijms22105378] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/17/2021] [Accepted: 05/17/2021] [Indexed: 11/23/2022] Open
Abstract
Regeneration of damaged tissues or organs is one of the significant challenges in tissue engineering and regenerative medicine. Many researchers have fabricated various scaffolds to accelerate the tissue regeneration process. However, most of the scaffolds are limited in clinical trials due to scaffold inconsistency, non-biodegradability, and lack of non-invasive techniques to monitor tissue regeneration after implantation. Recently, carbon dots (CDs) mediated fluorescent scaffolds are widely explored for the application of image-guided tissue engineering due to their controlled architecture, light-emitting ability, higher chemical and photostability, excellent biocompatibility, and biodegradability. In this review, we provide an overview of the recent advancement of CDs in terms of their different synthesis methods, tunable physicochemical, mechanical, and optical properties, and their application in tissue engineering. Finally, this review concludes the further research directions that can be explored to apply CDs in tissue engineering.
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Affiliation(s)
- Mohan Vedhanayagam
- CATERS Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600020, India;
| | - Iruthayapandi Selestin Raja
- BIO-IT Fusion Technology Research Institute, Pusan National University, Busan 46241, Korea; (I.S.R.); (A.M.)
| | - Anara Molkenova
- BIO-IT Fusion Technology Research Institute, Pusan National University, Busan 46241, Korea; (I.S.R.); (A.M.)
| | - Timur Sh. Atabaev
- Department of Chemistry, Nazarbayev University, Nur-Sultan 010000, Kazakhstan;
| | | | - Dong-Wook Han
- BIO-IT Fusion Technology Research Institute, Pusan National University, Busan 46241, Korea; (I.S.R.); (A.M.)
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan 46241, Korea
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158
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Chen M, Liu X. The Preparation of Cu(II)- and Ag(I)-responsive Carbon Nanodots from the Right Amino-acid Carbon Source. J Fluoresc 2021; 31:1153-1160. [PMID: 33978883 DOI: 10.1007/s10895-021-02742-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 05/03/2021] [Indexed: 11/24/2022]
Abstract
Carbon nanodots (CDs) have exhibited excellent sensing capability for various metal ions. However, it is difficult to determine the selectivity of CDs to metal ions. In this work, we chose appropriate carbon source to design CD sensors against Cu(II) and Ag(I). Glycine, histidine and leucine have been confirmed to form complexes with Cu(II) and Ag(I), and were applied to prepare CDs using microwave heating method. The as-prepared CDs inherited the specific ion-binding capability from their carbon source and could response to both Cu(II) and Ag(I). The response sensitivity corresponded to the binding energy between the carbon source and metal ions. These experimental results are very important for the further design of CD sensors for a large variety of analytes.
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Affiliation(s)
- Manling Chen
- Liaoning Province Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Xue Liu
- Liaoning Province Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China.
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159
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Liu JL, Zhao X, Chen LJ, Pan LM, Yan XP. Dual-Emissive Persistent Luminescence Nanoparticle-Based Charge-Reversible Intelligent Nanoprobe for Persistent Luminescence-Ratio Bioimaging along with Chemo-Photothermal Synergic Therapy. Anal Chem 2021; 93:7348-7354. [DOI: 10.1021/acs.analchem.1c01220] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jia-Lin Liu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, People’s Republic of China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
| | - Xu Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, People’s Republic of China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
| | - Li-Jian Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, People’s Republic of China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
| | - Lu-Ming Pan
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, People’s Republic of China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
| | - Xiu-Ping Yan
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, People’s Republic of China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, People’s Republic of China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People’s Republic of China
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160
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Pan S, Huang G, Ding H, Wang K, Wang H. Polydopamine-Based Surface Modification of Chlorella Microspheres for Multiple Environmental Applications. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2021; 21:3065-3071. [PMID: 33653481 DOI: 10.1166/jnn.2021.19148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Towards addressing water pollution issues, the development of multifunctional chlorella with applications ranging from sensing pollutants to heavy metal and oil removal is described. The use of chlorella cells, which are widely abundant natural structures, leads to simple and low-cost mass production of effective functional materials. Bioinspired surface modification approaches mediated by polydopamine can endow chlorella with enhanced adsorption capacity for heavy metals, as well as superhydrophobic, fluorescence and magnetic properties according to the desired application. The resulting chlorella exhibits excellent heavy metal and oil removal ability, while magnetic propulsion and guidance allow directional motion over long distances for implementation in situ removal. Moreover, it is further demonstrated that chlorella can be used as a biosensor to detect metal ions by taking advantage of the fluorescence properties of carbon dots. Such use of chlorella provides a new way for the large-scale production of functional materials to tackle water pollution.
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Affiliation(s)
- Sihao Pan
- School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu 221116, P. R. China
| | - Guanhua Huang
- School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu 221116, P. R. China
| | - Hui Ding
- School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu 221116, P. R. China
| | - Ke Wang
- School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu 221116, P. R. China
| | - Hong Wang
- School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu 221116, P. R. China
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161
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Tian X, Fan Z. One-step ratiometric fluorescence sensing of ascorbic acid in food samples by carbon dots-referenced lanthanide probe. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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162
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Shauloff N, Morag A, Yaniv K, Singh S, Malishev R, Paz-Tal O, Rokach L, Jelinek R. Sniffing Bacteria with a Carbon-Dot Artificial Nose. NANO-MICRO LETTERS 2021; 13:112. [PMID: 34138310 PMCID: PMC8058130 DOI: 10.1007/s40820-021-00610-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 01/12/2021] [Indexed: 05/19/2023]
Abstract
Novel artificial nose based upon electrode-deposited carbon dots (C-dots). Significant selectivity and sensitivity determined by "polarity matching" between the C-dots and gas molecules. The C-dot artificial nose facilitates, for the first time, real-time, continuous monitoring of bacterial proliferation and discrimination among bacterial species, both between Gram-positive and Gram-negative bacteria and between specific strains. Machine learning algorithm furnishes excellent predictability both in the case of individual gases and for complex gas mixtures. Continuous, real-time monitoring and identification of bacteria through detection of microbially emitted volatile molecules are highly sought albeit elusive goals. We introduce an artificial nose for sensing and distinguishing vapor molecules, based upon recording the capacitance of interdigitated electrodes (IDEs) coated with carbon dots (C-dots) exhibiting different polarities. Exposure of the C-dot-IDEs to volatile molecules induced rapid capacitance changes that were intimately dependent upon the polarities of both gas molecules and the electrode-deposited C-dots. We deciphered the mechanism of capacitance transformations, specifically substitution of electrode-adsorbed water by gas molecules, with concomitant changes in capacitance related to both the polarity and dielectric constants of the vapor molecules tested. The C-dot-IDE gas sensor exhibited excellent selectivity, aided by application of machine learning algorithms. The capacitive C-dot-IDE sensor was employed to continuously monitor microbial proliferation, discriminating among bacteria through detection of distinctive "volatile compound fingerprint" for each bacterial species. The C-dot-IDE platform is robust, reusable, readily assembled from inexpensive building blocks and constitutes a versatile and powerful vehicle for gas sensing in general, bacterial monitoring in particular.
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Affiliation(s)
- Nitzan Shauloff
- Department of Chemistry, Ben Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Ahiud Morag
- Department of Chemistry, Ben Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Karin Yaniv
- Department of Biotechnology Engineering, Ben Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Seema Singh
- Department of Chemistry, Ben Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Ravit Malishev
- Department of Chemistry, Ben Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Ofra Paz-Tal
- Chemistry Department, Nuclear Research Center, Negev, P.O. Box 9001, 84190, Beer Sheva, Israel
| | - Lior Rokach
- Department of Software and Information System Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Raz Jelinek
- Department of Chemistry, Ben Gurion University of the Negev, 84105, Beer Sheva, Israel.
- Ilse Katz Institute for Nanotechnology, Ben Gurion University of the Negev, 84105, Beer Sheva, Israel.
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163
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Park SW, Kim TE, Jung YK. Glutathione-decorated fluorescent carbon quantum dots for sensitive and selective detection of levodopa. Anal Chim Acta 2021; 1165:338513. [PMID: 33975692 DOI: 10.1016/j.aca.2021.338513] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 12/28/2022]
Abstract
Levodopa has been a standard drug for treating Parkinson's disease since the 1960s, but it has caused many side effects such as wearing-off, motor fluctuation, and dystonia. In this work, we developed glutathione-conjugated carbon quantum dots (GSH-CQDs) as a novel fluorescent sensor for sensitive and selective detection of levodopa. The GSH-CQDs were prepared by EDC/NHS coupling reaction of glutathione (GSH) with amine-functionalized CQDs (N-CQDs) synthesized using meta-phenylenediamine and ethylenediamine. The synthesized GSH-CQDs emitted bright green fluorescence with a high quantum yield (QY) of 22.42 ± 6.88%. However, upon the addition of levodopa to GSH-CQDs under alkaline conditions, the fluorescence of GSH-CQDs was quenched. Since levodopa is converted to dopaquinone in an alkaline environment, it is presumed that thiol groups of GHS-CQDs form covalent bonds with dopaquinone, causing fluorescence quenching through photoinduced electron transfer. Therefore, as the concentration of levodopa increased, the fluorescence intensity of GSH-CQDs was gradually decreased. Under optimal conditions, a linear response was observed in the range of 0.05-1 μM, and limit of detection (LOD) was determined to be 0.057 μM. The GSH-CQDs exhibited high specificity to levodopa over other non-target biological substances, quinone derivatives, and Parkinson's medications. Furthermore, the capability of this GSH-CQDs sensor for monitoring levodopa in human serum were validated with excellent precision and recovery rates of 100.20-103.33%.
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Affiliation(s)
- Seok Won Park
- Department of Nanoscience and Engineering, Inje University, Gimhae, 50834, Republic of Korea
| | - Tae Eun Kim
- Department of Nanoscience and Engineering, Inje University, Gimhae, 50834, Republic of Korea
| | - Yun Kyung Jung
- Department of Nanoscience and Engineering, Inje University, Gimhae, 50834, Republic of Korea; School of Biomedical Engineering, Inje University, Gimhae, 50834, Republic of Korea.
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164
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Devi P, Jindal N, Kim KH, Thakur A. Nanostructures derived from expired drugs and their applications toward sensing, security ink, and bactericidal material. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 764:144260. [PMID: 33401040 DOI: 10.1016/j.scitotenv.2020.144260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 06/12/2023]
Abstract
In this research, a facile and economical route is introduced for the transformation of pharmaceutical waste (i.e., expired medicines) into value-added fluorescent carbon quantum dots (pharmaceutically derived CQDs abbreviated as 'P-CQDs'). The synthesized P-CQDs were identified to have surface functionalities of -OH, C=O, and C=C with an average size of ~2-3 nm and a high quantum yield of 35.3%. The photoluminescence of P-CQDs recorded a maximum optical emission intensity at 2.8 eV (425 nm). The binding of Cu (II) ions by -COOH functionalities on the surface of P-CQDs led to its fluorescence quenching (turn-off) over a wide Cu (II) concentration range of 0.25-50 ppm. The P-CQDs exhibited the detection limit of 0.66 ppm (well below the WHO permissible limit of 2 ppm). The fluorescence intensity of the P-CQDs-Cu (II) complex was recovered from NaHCO3.Hence, their "off-on" behavior was also explored for security ink applications for information encryption and decryption. Moreover, the rich oxygenated groups on the surface of the P-CQDs were utilized for green synthesis of plasmonic Ag@P-CQDs nanostructures, which were also demonstrated to have enhanced potential as bactericidal materials (e.g., against both E. coli and S. aureus). The overall results of this study are demonstrated to help create new and diverse routes for converting expired drugs into value-added nanostructures.
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Affiliation(s)
- Pooja Devi
- CSIR-Central Scientific Instruments Organisation, Chandigarh 160030, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Neha Jindal
- CSIR-Central Scientific Instruments Organisation, Chandigarh 160030, India
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
| | - Anupma Thakur
- CSIR-Central Scientific Instruments Organisation, Chandigarh 160030, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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165
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Speranza G. Carbon Nanomaterials: Synthesis, Functionalization and Sensing Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:967. [PMID: 33918769 PMCID: PMC8069879 DOI: 10.3390/nano11040967] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 02/07/2023]
Abstract
Recent advances in nanomaterial design and synthesis has resulted in robust sensing systems that display superior analytical performance. The use of nanomaterials within sensors has accelerated new routes and opportunities for the detection of analytes or target molecules. Among others, carbon-based sensors have reported biocompatibility, better sensitivity, better selectivity and lower limits of detection to reveal a wide range of organic and inorganic molecules. Carbon nanomaterials are among the most extensively studied materials because of their unique properties spanning from the high specific surface area, high carrier mobility, high electrical conductivity, flexibility, and optical transparency fostering their use in sensing applications. In this paper, a comprehensive review has been made to cover recent developments in the field of carbon-based nanomaterials for sensing applications. The review describes nanomaterials like fullerenes, carbon onions, carbon quantum dots, nanodiamonds, carbon nanotubes, and graphene. Synthesis of these nanostructures has been discussed along with their functionalization methods. The recent application of all these nanomaterials in sensing applications has been highlighted for the principal applicative field and the future prospects and possibilities have been outlined.
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Affiliation(s)
- Giorgio Speranza
- CMM—FBK, v. Sommarive 18, 38123 Trento, Italy;
- IFN—CNR, CSMFO Lab., via alla Cascata 56/C Povo, 38123 Trento, Italy
- Department of Industrial Engineering, University of Trento, v. Sommarive 9, 38123 Trento, Italy
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166
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Tummala S, Lee CH, Ho YP. Boron, and nitrogen co-doped carbon dots as a multiplexing probe for sensing of p-nitrophenol, Fe (III), and temperature. NANOTECHNOLOGY 2021; 32:265502. [PMID: 33721842 DOI: 10.1088/1361-6528/abeeb6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 03/15/2021] [Indexed: 06/12/2023]
Abstract
Boron and nitrogen co-doped carbon dots (B, N-CDs) were fabricated through a simple, one-step hydrothermal reaction of citric acid, boric acid, and tris base. The obtained B, N-CDs exhibit excitation-dependent fluorescence, high quantum yield (QY), biocompatibility, photostability, and aqueous solubility. The QY was substantially increased to 57% by doping boron atoms. Furthermore, the fluorescence intensity of B, N-CDs was temperature-dependent and decreased linearly from 283 to 333 K. The prepared B, N-CDs were used as a fluorescence probe for the detection ofpara-nitrophenol (p-NP) and Fe (III) ions with low detection limits of 0.17μM and 0.30μM, respectively. Moreover, the presence of p-NP could be further confirmed by a colorimetric assay. The fluorescent probe has been applied to determine p-NP and Fe (III) in a spiked serum sample and spiked water samples (lake and tap water). Moreover, the as-prepared B, N-CDs were of low toxicity and capable of bioimaging.
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Affiliation(s)
- Srikrishna Tummala
- Department of Chemistry, National Dong Hwa University, Hualien 97401, Taiwan
| | - Chia-Hung Lee
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan
| | - Yen-Peng Ho
- Department of Chemistry, National Dong Hwa University, Hualien 97401, Taiwan
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167
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Tong C, Shi F, Tong X, Shi S, Ali I, Guo Y. Shining natural flavonols in sensing and bioimaging. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116222] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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168
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Bardhan S, Roy S, Chanda DK, Mondal D, Das S, Das S. Flexible and reusable carbon dot decorated natural microcline membrane: a futuristic probe for multiple heavy metal induced carcinogen detection. Mikrochim Acta 2021; 188:134. [PMID: 33759061 DOI: 10.1007/s00604-021-04787-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 03/15/2021] [Indexed: 12/13/2022]
Abstract
A flexible nano-engineered natural mineral (carbon dot doped natural microcline) based membrane (MCPV) has been developed, which can efficiently detect the presence of hexavalent chromium (Cr6+) and trivalent iron (Fe3+) ions in water by altering its fluorescence emission. Detailed characterization of the membrane was carried out using XRD, FT-IR spectroscopy, FESEM, TEM, and UV-Vis spectroscopy. Mechanical and temperature stabilities were also investigated. This new-generation sensor membrane is designed in such a way that it does not dissolve in water, keeping the water quality unaffected. The fluorescence studies were conducted at 414 nm and "turn-off" response was observed specifically for Fe3+ at 489 nm. A prominent red shift (530 nm) of the fluorescence maxima takes place when it comes to Cr6+. Figures of merit, such as LOD (8.7 μM for Cr6+ and 18.4 μM for Fe3+) and LOQ (29.1 μM for Cr6+ and 61.6 μM for Fe3+), were evaluated from the linear range (0-60 μM for Cr6+ and 0-30 μM for Fe3+) of the calibration curve (Stern-Volmer plots) showing high sensitivity of this sensing probe toward Cr6+ and Fe3+. Recovery and RSD calculations were done in various real-life water samples on intraday-interday basis to determine the accuracy of the sensor. This work validates the fact that the synthesized sensor membrane is capable of detecting these heavy metals in glutathione environment as well, which could be beneficial for early-stage carcinogen detection in living cells.
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Affiliation(s)
- Souravi Bardhan
- Department of Physics, Jadavpur University, Kolkata, 700032, India
| | - Shubham Roy
- Department of Physics, Jadavpur University, Kolkata, 700032, India
| | - Dipak Kr Chanda
- School of Materials Science and Nano-Technology, Jadavpur University, Kolkata, 700032, India
| | - Dhananjoy Mondal
- Department of Physics, Jadavpur University, Kolkata, 700032, India
| | - Solanky Das
- Department of Geology, Jadavpur University, Kolkata, 700032, India
| | - Sukhen Das
- Department of Physics, Jadavpur University, Kolkata, 700032, India.
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169
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Li X, Lin H, Li Q, Xue J, Xu Y, Zhuang L. Recyclable Magnetic Fluorescent Fe 3O 4@SiO 2 Core–Shell Nanoparticles Decorated with Carbon Dots for Fluoride Ion Removal. ACS APPLIED NANO MATERIALS 2021. [DOI: 10.1021/acsanm.1c00238] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Xiaolei Li
- Department of Orthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, People’s Republic of China
| | - Han Lin
- Department of Orthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, People’s Republic of China
| | - Qianli Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China
| | - Jingyi Xue
- Centre for Oral, Clinical and Translational Sciences, Faculty of Dentistry, Oral & Craniofacial Sciences, King’s College London, Guy’s Hospital, Floor 17, Tower Wing, London Bridge, London SE1 9RT, U.K
| | - Yue Xu
- Department of Orthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, People’s Republic of China
| | - Lin Zhuang
- School of Physics, State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Provincial Key Laboratory of Photovoltaics Technologies, Sun Yat-sen University, Guangzhou 510006, People’s Republic of China
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170
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Ma Y, Liu Y, Wang Y, Zhang F, Yang D. A novel sodium-fluorescent crystal. ROYAL SOCIETY OPEN SCIENCE 2021; 8:201987. [PMID: 33959353 PMCID: PMC8074955 DOI: 10.1098/rsos.201987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
In this work, a novel sodium-fluorescent crystal (Na-FS) was synthesized from 4-dimethylaminobenzoic acid and sodium hydroxide by one-pot hydrothermal method. The structure and conformation of Na-FS were confirmed by single-crystal X-ray diffraction and scanning electron microscope, and the optical properties were studied by fluorescence spectrometer. The results showed that: Na-FS was a triclinic crystal, space group was P-1, cell parameters a, b and c were 10.5113(3), 15.9198(5) and 15.9560(5) Å, respectively, and the number of independent atoms Z in a structure cell was two. Additionally, Na-FS has a blue fluorescence emission (around 360 nm under excited at the range of 230-300 nm) with great photostability and photobleaching resistance, and the quantum yield of Na-FS is 30.58%.
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Affiliation(s)
- Yunsu Ma
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 22004, People's Republic of China
| | - Yongjie Liu
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 22004, People's Republic of China
| | - Yuan Wang
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 22004, People's Republic of China
| | - Fan Zhang
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 22004, People's Republic of China
| | - Dongzhi Yang
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 22004, People's Republic of China
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171
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Chen L, Liu Y, Cheng G, Fan Z, Yuan J, He S, Zhu G. A novel fluorescent probe based on N, B, F co-doped carbon dots for highly selective and sensitive determination of sulfathiazole. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 759:143432. [PMID: 33168252 DOI: 10.1016/j.scitotenv.2020.143432] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 06/11/2023]
Abstract
The widespread occurrence of sulfathiazole (STZ) in the environment has raised concerns regarding the potential risks to ecosystem and human health. Thus, there is a need to develop facile and efficient methods for monitoring STZ. In this study, a novel fluorescent probe, based on N, B, F co-doped carbon dots (N, B, F-CDs), was developed for the highly sensitive and selective determination of STZ. The fluorescent N, B, F-CDs were prepared via a one-step hydrothermal method using malonate and 1-allyl-3-vinylimidazolium tetrafluoroborate ionic liquid as precursors. The obtained N, B, F-CDs exhibited excellent fluorescence response toward STZ due to the inner filter effect (IFE), which caused the fluorescence to be quenched. The fluorescent probe allowed the STZ concentration to be accurately determined with a low detection limit of 5.5 ng mL-1 in two wide linear ranges of 0.008-10 μg mL-1 and 10-45 μg mL-1. The practicability of the fluorescent probe was further validated in river water, soil, milk, and egg samples, and the satisfactory spiked recoveries of STZ ranged from 96.1 to 101.6%. The proposed fluorescent probe based on N, B, F-CDs can be easily prepared and possess high selectivity and sensitivity, thereby displaying its tremendous potential for the identification and determination of STZ in the environment.
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Affiliation(s)
- Letian Chen
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Yongli Liu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China.
| | - Guohao Cheng
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Zegang Fan
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Jinyu Yuan
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Shuailong He
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Guifen Zhu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China.
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172
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Naik GG, Shah J, Balasubramaniam AK, Sahu AN. Applications of natural product-derived carbon dots in cancer biology. Nanomedicine (Lond) 2021; 16:587-608. [PMID: 33660530 DOI: 10.2217/nnm-2020-0424] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Natural products have contributed conspicuously to the development of innovative nanomedicines. Hence, the interface between nanomaterial science and plant natural products may bestow comprehensive diagnostic and therapeutic strategies for tackling diseases such as cancer and neurological disorders. Natural product-derived carbon dots (NPdCDs) have revealed noteworthy attributes in the fields of cancer theranostics, microbial imaging, drug sensing and drug delivery. As plants consist of a cocktail of bioactive phytomolecules, the NPdCDs can be anticipated to have medicinal properties, biocompatibility, photo-stability and easy functionalization. NPdCDs have wide-ranging applications. The primary objective of this review is to comment on recent developments in the use of NPdCDs, with special reference to their application in cancer biology. The future of the use of NPdCDs has also been considered.
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Affiliation(s)
- Gaurav Gopal Naik
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Jainam Shah
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
| | | | - Alakh N Sahu
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
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173
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Wang Z, Tang M. The cytotoxicity of core-shell or non-shell structure quantum dots and reflection on environmental friendly: A review. ENVIRONMENTAL RESEARCH 2021; 194:110593. [PMID: 33352186 DOI: 10.1016/j.envres.2020.110593] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/19/2020] [Accepted: 12/02/2020] [Indexed: 05/23/2023]
Abstract
Quantum dots are widely applicated into bioindustry and research owing to its superior properties such as broad excitation spectra, narrow bandwidth emission spectra and high resistance to photo-bleaching. However, the toxicity of quantum dots should not be underestimated and aroused widespread concern. The surface properties and size of quantum dots are critical relevant properties on toxicity. Then, the core/shell structure becomes one common way to affect the activity of quantum dots such as enhance biocompatibility and stability. Except those toxicity it induced, the problem it brought into the environment such as the degradation of quantum dot similarly becomes a hot issue. This review initially took a brief scan of current research on the cytotoxicity of QDs and the mechanism behind that over the past five years. Mainly discussion concentrated on the diversity of structure on quantum dots whether played a key role on the cytotoxicty of quantum dots. It also discussed the role of different shells with metal or nonmetal cores and the influence on the environment.
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Affiliation(s)
- Zhihui Wang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, People's Republic of China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, People's Republic of China.
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174
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Radnia F, Mohajeri N, Hashemi F, Imani M, Zarghami N. Design and development of folate-chitosan/CD nanogel: An efficient fluorescent platform for Cancer-specific delivery of AntimiR-21. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104814] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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175
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Advances and perspectives in carbon dot-based fluorescent probes: Mechanism, and application. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213686] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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176
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Ni C, Lu W, Zhang J, Peng L, Xie D, Ni J. Blue-light emitting aminated pectin for detecting Cu 2+ ion. Int J Biol Macromol 2021; 176:272-281. [PMID: 33592262 DOI: 10.1016/j.ijbiomac.2021.02.084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 10/22/2022]
Abstract
This research studied the chemo-sensing of low-cost aminated pectin (PE) obtained by a facile calcination under ammonia gas at temperature no higher than 175 °C without excessive use of alkaline, acid or solvents. The ammonia gas was found to replace the hydroxyl and methoxyl group, enhancing the crystallinity and solubility of the resultant pectin than those calcined in air or in 5% H2. Though the increase of light absorption could be attributed mainly to the dehydration during calcination which caused the formation of CC double bond or aromatic ring, the N incorporation could be important to the photoluminescence (PL) emission. The PL quenching of the blue fluorescent aminated pectin showed a good linearity with the concentration of Cu2+, Fe3+ and the highest sensitivity toward Cu2+ among the investigated metal ions. In order to further increase the PL quenching toward Cu2+ and decrease the interference of Fe3+, a method involving H2O2 and ultraviolet illumination was developed to catalyze the oxidation of fluorophores on the polymer. This work provides new horizon on the modification and application of pectin in chemosensing.
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Affiliation(s)
- Chengsheng Ni
- College of Resources of Environment and Resources, Southwest University, BeiBei, Chongqing 400715, China; National Base of International S&T Collaboration on Water Environmental Monitoring and Simulation in Three Gorges Reservoir Region, Chongqing 400716, China.
| | - Wenxuan Lu
- College of Resources of Environment and Resources, Southwest University, BeiBei, Chongqing 400715, China
| | - Jing Zhang
- College of Resources of Environment and Resources, Southwest University, BeiBei, Chongqing 400715, China
| | - Luo Peng
- College of Resources of Environment and Resources, Southwest University, BeiBei, Chongqing 400715, China
| | - Deti Xie
- College of Resources of Environment and Resources, Southwest University, BeiBei, Chongqing 400715, China; National Base of International S&T Collaboration on Water Environmental Monitoring and Simulation in Three Gorges Reservoir Region, Chongqing 400716, China
| | - Jiupai Ni
- College of Resources of Environment and Resources, Southwest University, BeiBei, Chongqing 400715, China; National Base of International S&T Collaboration on Water Environmental Monitoring and Simulation in Three Gorges Reservoir Region, Chongqing 400716, China.
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177
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Zhang X, Li G, Chen G, Zhu N, Wu D, Wu Y, James TD. Recent progresses and remaining challenges for the detection of Zika virus. Med Res Rev 2021; 41:2039-2108. [PMID: 33559917 DOI: 10.1002/med.21786] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 12/23/2020] [Accepted: 01/05/2021] [Indexed: 12/26/2022]
Abstract
Zika virus (ZIKV) has emerged as a particularly notorious mosquito-borne flavivirus, which can lead to a devastating congenital syndrome in the fetuses of pregnant mothers (e.g., microcephaly, spasticity, craniofacial disproportion, miscarriage, and ocular abnormalities) and cause the autoimmune disorder Guillain-Barre' syndrome of adults. Due to its severity and rapid dispersal over several continents, ZIKV has been acknowledged to be a global health concern by the World Health Organization. Unfortunately, the ZIKV has recently resurged in India with the potential for devastating effects. Researchers from all around the world have worked tirelessly to develop effective detection strategies and vaccines for the prevention and control of ZIKV infection. In this review, we comprehensively summarize the most recent research into ZIKV, including the structural biology and evolution, historical overview, pathogenesis, symptoms, and transmission. We then focus on the detection strategies for ZIKV, including viral isolation, serological assays, molecular assays, sensing methods, reverse transcription loop mediated isothermal amplification, transcription-mediated amplification technology, reverse transcription strand invasion based amplification, bioplasmonic paper-based device, and reverse transcription isothermal recombinase polymerase amplification. To conclude, we examine the limitations of currently available strategies for the detection of ZIKV, and outline future opportunities and research challenges.
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Affiliation(s)
- Xianlong Zhang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Guoliang Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Guang Chen
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Niu Zhu
- Department of Public Health, Xi'an Medical University, Xi'an, China
| | - Di Wu
- Institute for Global Food Security, Queen's University Belfast, Belfast, UK
| | - Yongning Wu
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Tony D James
- Department of Chemistry, University of Bath, Bath, UK.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
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178
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Li S, Zhang Z. Recent advances in the construction and analytical applications of carbon dots-based optical nanoassembly. Talanta 2021; 223:121691. [PMID: 33303144 DOI: 10.1016/j.talanta.2020.121691] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 12/26/2022]
Abstract
Recently, more and more attention has been focused on the construction and analytical applications of optical nanoassembly through combining carbon dots (CDs) with various other functional nanomaterials. The rational design and manufacture of CDs-based optical nanoassembly will be critical to meeting the needs of analytical science. The last decade has witnessed the immense potential of CDs-based optical nanoassembly in multiple sensing applications owing to their controlled optical properties, adjustable surface chemistry and microscopic morphology. This feature article collects the recent advances in the research and development of CDs-based optical nanoassembly and their applications in analytical sensors, aiming to provide vital insights and suggestions to inspire their broad sensing applications.
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Affiliation(s)
- Siqiao Li
- Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China
| | - Zhengwei Zhang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, China.
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179
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Ansari S, Masoum S. Recent advances and future trends on molecularly imprinted polymer-based fluorescence sensors with luminescent carbon dots. Talanta 2021; 223:121411. [DOI: 10.1016/j.talanta.2020.121411] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/11/2020] [Accepted: 07/13/2020] [Indexed: 02/08/2023]
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180
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Dong Q, Ryu H, Lei Y. Metal oxide based non-enzymatic electrochemical sensors for glucose detection. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.137744] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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181
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182
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Choi JW, Yoon J, Lim J, Shin M, Lee SN. Graphene/MoS 2 Nanohybrid for Biosensors. MATERIALS (BASEL, SWITZERLAND) 2021; 14:518. [PMID: 33494525 PMCID: PMC7865552 DOI: 10.3390/ma14030518] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/11/2021] [Accepted: 01/19/2021] [Indexed: 12/21/2022]
Abstract
Graphene has been studied a lot in different scientific fields because of its unique properties, including its superior conductivity, plasmonic property, and biocompatibility. More recently, transition metal dicharcogenide (TMD) nanomaterials, beyond graphene, have been widely researched due to their exceptional properties. Among the various TMD nanomaterials, molybdenum disulfide (MoS2) has attracted attention in biological fields due to its excellent biocompatibility and simple steps for synthesis. Accordingly, graphene and MoS2 have been widely studied to be applied in the development of biosensors. Moreover, nanohybrid materials developed by hybridization of graphene and MoS2 have a huge potential for developing various types of outstanding biosensors, like electrochemical-, optical-, or surface-enhanced Raman spectroscopy (SERS)-based biosensors. In this review, we will focus on materials such as graphene and MoS2. Next, their application will be discussed with regard to the development of highly sensitive biosensors based on graphene, MoS2, and nanohybrid materials composed of graphene and MoS2. In conclusion, this review will provide interdisciplinary knowledge about graphene/MoS2 nanohybrids to be applied to the biomedical field, particularly biosensors.
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Affiliation(s)
- Jeong-Woo Choi
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-Ro, Mapo-Gu, Seoul 04107, Korea
| | - Jinho Yoon
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-Ro, Mapo-Gu, Seoul 04107, Korea
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Joungpyo Lim
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-Ro, Mapo-Gu, Seoul 04107, Korea
| | - Minkyu Shin
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-Ro, Mapo-Gu, Seoul 04107, Korea
| | - Sang-Nam Lee
- Uniance Gene Inc., 1107 Teilhard Hall, 35 Baekbeom-Ro, Mapo-Gu, Seoul 04107, Korea
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183
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Pawar S, Duadi H, Fleger Y, Fixler D. Carbon Dots-Based Logic Gates. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:232. [PMID: 33477327 PMCID: PMC7830989 DOI: 10.3390/nano11010232] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 12/11/2022]
Abstract
Carbon dots (CDs)-based logic gates are smart nanoprobes that can respond to various analytes such as metal cations, anions, amino acids, pesticides, antioxidants, etc. Most of these logic gates are based on fluorescence techniques because they are inexpensive, give an instant response, and highly sensitive. Computations based on molecular logic can lead to advancement in modern science. This review focuses on different logic functions based on the sensing abilities of CDs and their synthesis. We also discuss the sensing mechanism of these logic gates and bring different types of possible logic operations. This review envisions that CDs-based logic gates have a promising future in computing nanodevices. In addition, we cover the advancement in CDs-based logic gates with the focus of understanding the fundamentals of how CDs have the potential for performing various logic functions depending upon their different categories.
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Affiliation(s)
- Shweta Pawar
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel; (S.P.); (H.D.)
| | - Hamootal Duadi
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel; (S.P.); (H.D.)
| | - Yafit Fleger
- Bar-Ilan Institute of Nanotechnology & Advanced Materials (BINA), Bar Ilan University, Ramat Gan 5290002, Israel;
| | - Dror Fixler
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel; (S.P.); (H.D.)
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184
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Abstract
Optical sensors are always fascinating for chemists due to their selectivity, sensitivity, robustness and cost-effective nature.
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Affiliation(s)
- Hafiz Muhammad Junaid
- Institute of Chemistry
- University of the Punjab
- Quaid-e-Azam Campus
- Lahore 54590
- Pakistan
| | - Amber Rehana Solangi
- National Centre of Excellence in Analytical Chemistry
- University of Sindh
- Jamshoro
- Pakistan
| | - Madeeha Batool
- Institute of Chemistry
- University of the Punjab
- Quaid-e-Azam Campus
- Lahore 54590
- Pakistan
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185
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Ahmad K, Raza W. Current State and Prospective of Supercapacitors. HANDBOOK OF NANOMATERIALS AND NANOCOMPOSITES FOR ENERGY AND ENVIRONMENTAL APPLICATIONS 2021. [DOI: 10.1007/978-3-030-36268-3_197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
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186
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Sekar A, Yadav R, Basavaraj N. Fluorescence quenching mechanism and the application of green carbon nanodots in the detection of heavy metal ions: a review. NEW J CHEM 2021. [DOI: 10.1039/d0nj04878j] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
This review article highlights the quenching mechanism and applications of green CNDs for the detection of metal ions.
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Affiliation(s)
- Anithadevi Sekar
- Department of Chemistry
- Madras Christian College
- Affiliated to the University of Madras
- Chennai
- India
| | - Rakhi Yadav
- Department of Chemistry
- Madras Christian College
- Affiliated to the University of Madras
- Chennai
- India
| | - Nivetha Basavaraj
- Department of Chemistry
- Madras Christian College
- Affiliated to the University of Madras
- Chennai
- India
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187
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Su D, Li H, Yan X, Lin Y, Lu G. Biosensors based on fluorescence carbon nanomaterials for detection of pesticides. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116126] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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188
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Effect of the surface chemistry on the photoluminescence properties of boron doped carbon dots. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.112903] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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189
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Kovalev IS, Sadieva LK, Taniya OS, Yurk VM, Minin AS, Santra S, Zyryanov GV, Charushin VN, Chupakhin ON, Tsurkan MV. Computer vision vs. spectrofluorometer-assisted detection of common nitro-explosive components with bola-type PAH-based chemosensors. RSC Adv 2021; 11:25850-25857. [PMID: 35479431 PMCID: PMC9037216 DOI: 10.1039/d1ra03108b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/01/2021] [Indexed: 11/23/2022] Open
Abstract
Computer vision (CV) algorithms are widely utilized in imaging processing for medical and personal electronics applications. In sensorics CV can provide a great potential to quantitate chemosensors' signals. Here we wish to describe a method for the CV-assisted spectrofluorometer-free detection of common nitro-explosive components, e.g. 2,4-dinitrotoluene (DNT) and 2,4,6-trinitrotoluene (TNT), by using polyaromatic hydrocarbon (PAH, PAH = 1-pyrenyl or 9-anthracenyl) – based bola-type chemosensors. The PAH components of these chemical bolas are able to form stable, bright emissive in a visual wavelength region excimers, which allows their use as extended matrices of the RGB colors after imaging and digital processing. In non-polar solvents, the excimers have poor chemosensing properties, while in aqueous solutions, due to the possible micellar formation, these excimers provide “turn-off” fluorescence detection of DNT and TNT in the sub-nanomolar concentrations. A combination of these PAH-based fluorescent chemosensors with the proposed CV-assisted algorithm offers a fast and convenient approach for on-site, real-time, multi-thread analyte detection without the use of fluorometers. Although we focus on the analysis of nitro-explosives, the presented method is a conceptual work describing a general use of CV for quantitative fluorescence detection of various analytes as a simpler alternative to spectrofluorometer-assisted methods. Simplified computer vision-assisted algorithm for the excimer fluorescence "turn-off" detection of nitro-analytes in aqueous media is described.![]()
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Affiliation(s)
- Igor S. Kovalev
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
| | - Leila K. Sadieva
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Olga S. Taniya
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Victoria M. Yurk
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
| | - Artem S. Minin
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- M. N. Mikheev Institute of Metal Physics
- Ural Branch of the Russian Academy of Sciences
| | - Sougata Santra
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
| | - Grigory V. Zyryanov
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Valery N. Charushin
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Oleg N. Chupakhin
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
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190
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Kotta S, Aldawsari HM, Badr-Eldin SM, Alhakamy NA, Md S, Nair AB, Deb PK. Exploring the Potential of Carbon Dots to Combat COVID-19. Front Mol Biosci 2020; 7:616575. [PMID: 33425995 PMCID: PMC7793735 DOI: 10.3389/fmolb.2020.616575] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 11/26/2020] [Indexed: 12/23/2022] Open
Abstract
Viral diseases are considered as a global burden. The eradication of viral diseases is always a challenging task in medical research due to the high infectivity and mutation capability of the virus. The ongoing COVID-19 pandemic is still not under control even after several months of the first reported case and global spread. Neither a specific drug nor a vaccine is available for public use yet. In the pursuit of a promising strategy, carbon dots could be considered as potential nanostructure against this viral pandemic. This review explores the possibility of carbon nano-dots to combat COVID-19 based on some reported studies. Carbon dots are photoluminescent carbon nanoparticles, smaller than 10 nm in dimension with a very attractive photostable and biocompatible properties which can be surfaced modified or functionalized. These photoluminescent tiny particles have captured much attention owing to their functionalization property and biocompatibility. In response to this pandemic outbreak, this review attempts to summarize the potential use of carbon dots in antiviral therapy with particular emphasis on their probable role in the battlefront against COVID-19 including their possible biosensing applications.
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Affiliation(s)
- Sabna Kotta
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hibah Mubarak Aldawsari
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shaimaa M. Badr-Eldin
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmaceutics and Industrial Pharmacy, Cairo University, Giza, Egypt
| | - Nabil A. Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Excellence for Drug Research and Pharmaceutical Industries, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmaceutics, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shadab Md
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Pran Kishore Deb
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Philadelphia University, Amman, Jordan
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191
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Dong Z, Xue X, Liang H, Guan J, Chang L. DNA Nanomachines for Identifying Cancer Biomarkers in Body Fluids and Cells. Anal Chem 2020; 93:1855-1865. [PMID: 33325676 DOI: 10.1021/acs.analchem.0c03518] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Identifying molecular biomarkers promises to significantly improve the accuracy in cancer diagnosis at its early stage. DNA nanomachines, which are designable and switchable nanostructures made of DNA, show broad potential to detect tumor biomarkers with noninvasive, inexpensive, highly sensitive, and highly specific advantages. This Feature summarizes the recent DNA nanomachine-based platforms for the early detection of cancer biomarkers, both from body fluids and in cells.
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Affiliation(s)
- Zaizai Dong
- Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Xinying Xue
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.,Department of Respiratory and Critical Care, Chinese PLA General Hospital, Beijing 100853, China
| | - Hailun Liang
- School of Public Administration and Policy, Renmin University of China, Beijing 100872, China
| | - Jingjiao Guan
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida 32310, United States
| | - Lingqian Chang
- Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China.,School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Medical University, Hefei 230032, China
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192
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Bloch DN, Ben Zichri S, Kolusheva S, Jelinek R. Tyrosine carbon dots inhibit fibrillation and toxicity of the human islet amyloid polypeptide. NANOSCALE ADVANCES 2020; 2:5866-5873. [PMID: 36133854 PMCID: PMC9419576 DOI: 10.1039/d0na00870b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 11/09/2020] [Indexed: 05/04/2023]
Abstract
Misfolding and aggregation of the human islet amyloid polypeptide (hIAPP) are believed to play key roles in the pathophysiology of type-II diabetes. Here, we demonstrate that carbon dots (C-dots) prepared from the amino acid tyrosine inhibit fibrillation of hIAPP, reduce hIAPP-induced cell toxicity and block membrane disruption by the peptide. The pronounced inhibitory effect is traced to the display of ubiquitous aromatic residues upon the C-dots' surface, mimicking the anti-fibril and anti-toxic activity of natural polyphenolic compounds. Notably, spectroscopy and thermodynamics analysis demonstrated different hIAPP interactions and fibril inhibition effects induced by tyrosine-C-dots displaying phenolic residues and C-dots prepared from phenylalanine which exhibited phenyl units on their surface, underscoring the significance of hydrogen bonding mediated by the phenolic hydroxide moieties for the fibril modulation activity. The presented experiments attest to the potential of tyrosine-C-dots as a therapeutic vehicle for protein misfolding diseases, interfering in both π-π interactions as well as hydrogen bonding involving aromatic residues of amyloidogenic peptides.
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Affiliation(s)
- Daniel Nir Bloch
- Department of Chemistry, Ben Gurion University of the Negev Beer Sheva 84105 Israel
| | - Shani Ben Zichri
- Department of Chemistry, Ben Gurion University of the Negev Beer Sheva 84105 Israel
| | - Sofiya Kolusheva
- Ilse Katz Institute for Nano-Science and Technology (IKI), Ben Gurion University of the Negev Beer Sheva 84105 Israel
| | - Raz Jelinek
- Department of Chemistry, Ben Gurion University of the Negev Beer Sheva 84105 Israel
- Ilse Katz Institute for Nano-Science and Technology (IKI), Ben Gurion University of the Negev Beer Sheva 84105 Israel
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193
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Vale N, Silva S, Duarte D, Crista DMA, Pinto da Silva L, Esteves da Silva JCG. Normal breast epithelial MCF-10A cells to evaluate the safety of carbon dots. RSC Med Chem 2020; 12:245-253. [PMID: 34046613 DOI: 10.1039/d0md00317d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/17/2020] [Indexed: 11/21/2022] Open
Abstract
The human normal breast cell line MCF-10A is being widely used as a model in toxicity studies due to its structural similarity to the normal human mammary epithelium. Over the years, application of carbon dots (C-dots) in biomedicine has been increasing due to their photoluminescence properties, biocompatibility, biosafety and possible applications in bioimaging and as drug carriers. In this work we prepared three different C-dots from the same set of carbon and nitrogen precursors (citric acid and urea, respectively) via three distinct bottom-up synthetic routes and their safety was tested against the normal breast cell line MCF-10A. The characterization results demonstrated a similar size range and composition for all the C-dots. The MCF-10A cells were treated with different concentrations of C-dots for 24, 48 and 72 h to evaluate the cell viability over time. For the 24 h incubation, there were no significant decreases in the viability of the MCF-10A cells. For the 48 h treatment, there was a significant decrease in the viability of the cells treated with calcination-based C-dots, but without significant cellular viability changes for microwave and hydrothermal-based C-dots. For 72 h, cells treated with hydrothermal-based C-dots have the most promising viability profile. Also, compared with paclitaxel, these C-dots have a safety profile very close to that of an antineoplastic in non-tumor cells. Our results suggest that these new C-dots have potential as imaging candidates or biosensing tools as well as drug carriers, and further investigation in animal models is needed for future application in medicine.
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Affiliation(s)
- Nuno Vale
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS) Rua Dr. Plácido da Costa 4200-450 Porto Portugal.,Faculty of Medicine, University of Porto Al. Prof. Hernâni Monteiro 4200-319 Porto Portugal
| | - Sara Silva
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS) Rua Dr. Plácido da Costa 4200-450 Porto Portugal.,Faculty of Pharmacy, University of Porto Rua de Jorge Viterbo Ferreira, 228 4050-313 Porto Portugal
| | - Diana Duarte
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS) Rua Dr. Plácido da Costa 4200-450 Porto Portugal.,Faculty of Pharmacy, University of Porto Rua de Jorge Viterbo Ferreira, 228 4050-313 Porto Portugal
| | - Diana M A Crista
- Chemistry Research Unit (CIQUP), Faculty of Sciences of University of Porto (FCUP) Rua do Campo Alegre 687 4169-007 Porto Portugal ,
| | - Luís Pinto da Silva
- Chemistry Research Unit (CIQUP), Faculty of Sciences of University of Porto (FCUP) Rua do Campo Alegre 687 4169-007 Porto Portugal ,.,LACOMEPHI, GreenUPorto, Department of Geosciences, Environment and Territorial Planning, Faculty of Sciences of University of Porto (FCUP) Rua do Campo Alegre 687 4169-007 Porto Portugal
| | - Joaquim C G Esteves da Silva
- Chemistry Research Unit (CIQUP), Faculty of Sciences of University of Porto (FCUP) Rua do Campo Alegre 687 4169-007 Porto Portugal ,.,LACOMEPHI, GreenUPorto, Department of Geosciences, Environment and Territorial Planning, Faculty of Sciences of University of Porto (FCUP) Rua do Campo Alegre 687 4169-007 Porto Portugal
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194
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Cheng R, Yu C, Zhen Z, Tang S, Ou S. Understanding the selective-sensing mechanism of lysine by fluorescent nanosensors based on graphene quantum dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 242:118732. [PMID: 32712573 DOI: 10.1016/j.saa.2020.118732] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 07/03/2020] [Accepted: 07/09/2020] [Indexed: 06/11/2023]
Abstract
The selectivity of single-amino acid nanosensors is still not well understood. Herein, the factors that govern graphene-based nanomaterials for the selective detection of lysine are reported to guide the design of single-amino acid nanosensors. Graphene quantum dots (GQDs), nitrogen-doped GQDs (N-GQDs), and nitrogen/sulfur co-doped GQDs (N,S-GQDs) were used to sense lysine. The interaction mode and mechanism adjusted selectivity of the zero-dimensional graphene-based quantum dots to lysine ascribe to the solution behavior, molecular size, number of atoms as electron donors in graphene, and driving force. Being a basic amino acid, lysine is protonated with a positive charge below solution pH of 9. It adsorbed on the graphene-based quantum dots via electrostatic attraction, which blocked the internal charge transfer pathway inducing fluorescence enhancement at 420 nm. The protonated ɛ-amine side of lysine is responsible for the course. The small diameter of the lysine of ɛ-amine (<0.35 nm) favored its approach to the quantum dots, resulting in a fluorescence change, which could not be achieved with the larger arginine. The activated sites for interaction with lysine located at the edges of the layers of graphene to reach high selectivity. The N-GQDs and N,S-GQDs are much more sensitive to lysine than the GQDs because they contain nitrogen atoms as electron donors. They had similar linear detection ranges and detection limits, which suggested that the contribution of sulfur for lysine detection was minor. The results of this study provide new insights into the design of GQDs-based single-analyte nanosensors with high selectivity.
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Affiliation(s)
- Rumei Cheng
- Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China.
| | - Chunlei Yu
- Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Zhengan Zhen
- Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Shipeng Tang
- Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Shengju Ou
- Hangzhou Zheda Femtosecond Test Co. Ltd., Zhejiang University National Science Park, Hangzhou, Zhejiang 310013, China
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195
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Abbas A, Tabish TA, Bull SJ, Lim TM, Phan AN. High yield synthesis of graphene quantum dots from biomass waste as a highly selective probe for Fe 3+ sensing. Sci Rep 2020; 10:21262. [PMID: 33277551 PMCID: PMC7718218 DOI: 10.1038/s41598-020-78070-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 10/15/2020] [Indexed: 02/07/2023] Open
Abstract
Graphene quantum dots (GQDs), a novel type of zero-dimensional fluorescent materials, have gained considerable attention owing to their unique optical properties, size and quantum confinement. However, their high cost and low yield remain open challenges for practical applications. In this work, a low cost, green and renewable biomass resource is utilised for the high yield synthesis of GQDs via microwave treatment. The synthesis approach involves oxidative cutting of short range ordered carbon derived from pyrolysis of biomass waste. The GQDs are successfully synthesised with a high yield of over 84%, the highest value reported to date for biomass derived GQDs. As prepared GQDs are highly hydrophilic and exhibit unique excitation independent photoluminescence emission, attributed to their single-emission fluorescence centre. As prepared GQDs are further modified by simple hydrothermal treatment and exhibit pronounced optical properties with a high quantum yield of 0.23. These modified GQDs are used for the highly selective and sensitive sensing of ferric ions (Fe3+). A sensitive sensor is prepared for the selective detection of Fe3+ ions with a detection limit of as low as 2.5 × 10-6 M. The utilisation of renewable resource along with facile microwave treatment paves the way to sustainable, high yield and cost-effective synthesis of GQDs for practical applications.
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Affiliation(s)
- Aumber Abbas
- School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - Tanveer A Tabish
- UCL Cancer Institute, University College London, London, WC1E 6DD, UK
| | - Steve J Bull
- School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - Tuti Mariana Lim
- School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
| | - Anh N Phan
- School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK.
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196
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Mondal S, Agam Y, Amdursky N. Enhanced Proton Conductivity across Protein Biopolymers Mediated by Doped Carbon Nanoparticles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2005526. [PMID: 33108059 DOI: 10.1002/smll.202005526] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Indexed: 06/11/2023]
Abstract
Carbon nanoparticles, known as carbon-dots (C-Dots), are famous for their optoelectronic properties. Here it is shown that C-Dots can also mediate protons, where protein biopolymers are used as the protonic transport matrix. Energy transfer measurements indicate that different doped C-Dots bind to the protein biopolymer in different efficiencies. Electrical impedance measurements reveal enhanced conductance across the protein biopolymer upon C-Dots integration, dependent on the doping type. The enhanced conductivity is attributed to protonic conduction due to the large observed kinetic isotope effect, resulting in one of the highest measured proton conductivity across protein biopolymers. Transistor measurements show that the various doped C-Dots-protein biopolymer exhibit different increase in charge carrier density and in carrier mobility, suggesting different modes of proton transport. The ability of C-Dots to support protonic conduction opens a field of carbon-based protonic nanoparticles and due to the formation simplicity of C-Dots they can be integrated in a variety of protonic devices.
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Affiliation(s)
- Somen Mondal
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Haifa, 3200003, Israel
| | - Yuval Agam
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Haifa, 3200003, Israel
| | - Nadav Amdursky
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Haifa, 3200003, Israel
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Wang H, Zhang Z, Yan Q, Zhang C, Xing Y, Xiong Y, Zhang F, Wang Z. Highly Luminescent Solid‐State Carbon Dots Embedded in a Boric Acid Matrix. ChemistrySelect 2020. [DOI: 10.1002/slct.202004009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Henggang Wang
- Key Laboratory of Chemical Biology of Hebei Province Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education College of Chemistry & Environmental Science Hebei University Baoding 071002 China
| | - Zhen Zhang
- Key Laboratory of Chemical Biology of Hebei Province Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education College of Chemistry & Environmental Science Hebei University Baoding 071002 China
| | - Qinqin Yan
- Key Laboratory of Chemical Biology of Hebei Province Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education College of Chemistry & Environmental Science Hebei University Baoding 071002 China
| | - Chenyang Zhang
- Key Laboratory of Chemical Biology of Hebei Province Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education College of Chemistry & Environmental Science Hebei University Baoding 071002 China
| | - Yifei Xing
- Key Laboratory of Chemical Biology of Hebei Province Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education College of Chemistry & Environmental Science Hebei University Baoding 071002 China
| | - Yuan Xiong
- Center of Super-Diamond and Advanced Films (COSDAF) and Department of Chemistry City University of Hong Kong Hong Kong China
| | - Feng Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education Department of Chemistry Tsinghua University Beijing 100084 China
| | - Zhenguang Wang
- Key Laboratory of Chemical Biology of Hebei Province Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education College of Chemistry & Environmental Science Hebei University Baoding 071002 China
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198
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Nanotheranostic Carbon Dots as an Emerging Platform for Cancer Therapy. JOURNAL OF NANOTHERANOSTICS 2020. [DOI: 10.3390/jnt1010006] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Cancer remains one of the most deadly diseases globally, but carbon-based nanomaterials have the potential to revolutionize cancer diagnosis and therapy. Advances in nanotechnology and a better understanding of tumor microenvironments have contributed to novel nanotargeting routes that may bring new hope to cancer patients. Several low-dimensional carbon-based nanomaterials have shown promising preclinical results; as such, low-dimensional carbon dots (CDs) and their derivatives are considered up-and-coming candidates for cancer treatment. The unique properties of carbon-based nanomaterials are high surface area to volume ratio, chemical inertness, biocompatibility, and low cytotoxicity. It makes them well suited for delivering chemotherapeutics in cancer treatment and diagnosis. Recent studies have shown that the CDs are potential applicants in biomedical sciences, both as nanocarriers and nanotransducers. This review covers the most commonly used CD nanoparticles in nanomedicines intended for the early diagnosis and therapy of cancer.
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199
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Recent advances in electrochemical sensors for amoxicillin detection in biological and environmental samples. Bioelectrochemistry 2020; 137:107687. [PMID: 33160182 DOI: 10.1016/j.bioelechem.2020.107687] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 02/08/2023]
Abstract
Amoxicillin (AMX) is among the most successful antibiotics used for human therapy. It is used extensively to prevent or treat bacterial infections in humans and animals. However, the widespread distribution and excess utilization of AMX can be an environmental and health risk due to the hazardous potential associated to its pharmaceutical industries effluents. Besides, their extensive use in food animal production may result in some undesirable residues in food, e.g. meat, eggs and milk. Consequently, at high enough concentrations in biological fluids, AMX may be responsible of various diseases such as nausea, vomiting, rashes, and antibiotic-associated colitis. For this reason, the detection and quantification of amoxicillin in pharmaceuticals, biological fluids, environmental samples and foodstuffs require new electroanalytical techniques with sensitive and rapid measurement abilities. This review discusses recent advances in the development of electrochemical sensors and bio-sensors for AMX analysis in complex matrices such as pharmaceuticals, biological fluids, environmental water and foodstuffs. The main electrochemical sensors used are based on chemically modified electrodes involving carbon materials and nanomaterials, nanoparticles, polymers and biological recognition molecules.
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200
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Ye Z, Li G, Lei J, Liu M, Jin Y, Li B. One-Step and One-Precursor Hydrothermal Synthesis of Carbon Dots with Superior Antibacterial Activity. ACS APPLIED BIO MATERIALS 2020; 3:7095-7102. [PMID: 35019369 DOI: 10.1021/acsabm.0c00923] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Discovering efficient antibacterial materials is crucial in the area of increasing drug resistance. Herein, we synthesized carbon dots (C-dots) with superior antibacterial activity through a simple one-step hydrothermal method. In this method, p-phenylenediamine serves as not only the carbon source but also the origin for the functional group anchored on the obtained C-dots. The antibacterial activity of the obtained C-dots was tested against Staphylococcus aureus and Escherichia coli. The minimum bactericidal concentrations of the synthesized C-dots against S. aureus and E. coli were 2 and 30 μg/mL, respectively, which are lower than that of previously reported C-dots. The antibacterial mechanism was investigated, and the results indicated that a large number of -NH3+ groups on the C-dots' surface enhanced their antibacterial activity. Besides, the C-dots exhibited negligible cytotoxicity.
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Affiliation(s)
- Zhiguo Ye
- School of Chemistry & Chemical Engineering, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Shaanxi Normal University, Xi'an 710119, China.,School of Chemistry & Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China
| | - Guixin Li
- School of Chemistry & Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China
| | - Jing Lei
- School of Chemistry & Chemical Engineering, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Shaanxi Normal University, Xi'an 710119, China
| | - Mei Liu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Yan Jin
- School of Chemistry & Chemical Engineering, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Shaanxi Normal University, Xi'an 710119, China
| | - Baoxin Li
- School of Chemistry & Chemical Engineering, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Shaanxi Normal University, Xi'an 710119, China
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