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Gao Y, Xu S, Guo G, Li Y, Zhou W, Li H, Yang Z. MoO 3/MIL-125-NH 2 with boosted peroxidase-like activity for electrochemical staphylococcus aureus sensing via specific recognition of bacteriophages. Biosens Bioelectron 2024; 252:116134. [PMID: 38417287 DOI: 10.1016/j.bios.2024.116134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/31/2024] [Accepted: 02/15/2024] [Indexed: 03/01/2024]
Abstract
Herein, novel nanozyme mimics MoO3/MIL-125-NH2 were reported and conjugated with bacteriophages as a new electrochemical probe for high sensitivity and specific electrochemical detection of staphylococcus aureus. The excellent peroxidase-like activity of MoO3/MIL-125-NH2 composites was attributed to the integration of MIL-125-NH2 with MoO3, which can boost the generation of superoxide radicals (O• 2-) and thus promote the oxidation of TMB in the presence of H2O2. In this work, two bacteriophages named SapYZU04 and SapYZU10 were isolated from sewage samples by using staphylococcus aureus YZUsa12 as the host. In comparison, MoO3/MIL-125-NH2@SapYZU04 was selected as a recognition agent. The DPV current declined linearly with staphylococcus aureus YZUsa12 concentration in the range of 101-108 CFU mL-1, with a low detection limit of 16 CFU mL-1 (S/N = 3). 20 strains including 13 host strains and 7 non-host strains were used to evaluate the selectivity of the proposed sensor. Regardless of the differences in the degrees of lytic performance for phage SapYZU04, all selected host strains can be screened with merely the same DPV current. Host spectrum-oriented bacteriophage sensing is of great importance for the practical application of bacteriophage-based biosensors in the future.
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Affiliation(s)
- Yajun Gao
- School of Food Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China; School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225002, PR China
| | - Suhui Xu
- School of Food Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Ge Guo
- School of Food Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Yajie Li
- School of Food Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Wenyuan Zhou
- School of Food Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China; College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China.
| | - Huaxiang Li
- School of Food Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Zhenquan Yang
- School of Food Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China.
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Amoon H, Moghadam A, Hajkarim MC. Synthesis, characterization, and investigation of antibacterial activity of Novel CMC/CuO NPs/CQDs bionanocomposite coating. Int J Biol Macromol 2024; 268:131922. [PMID: 38688345 DOI: 10.1016/j.ijbiomac.2024.131922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 04/21/2024] [Accepted: 04/25/2024] [Indexed: 05/02/2024]
Abstract
In recent decades, healthcare-associated infections (HAIs) have become a common problem in healthcare facilities such as hospitals. As a result, researchers are currently developing nanocomposite coatings that are strengthened with antibacterial nanoparticles. In this research, a novel antibacterial bionanocomposite coating based on carboxymethyl cellulose polymer/copper oxide nanoparticles/carbon quantum dots was coated on medical grade 316 stainless steel by sol-gel dip-coating method. The effect of the concentration of nanocomposite components was investigated at four different levels to determine the best ratio with the most antibacterial activity. Structural characteristics of nanocomposite and coating were investigated using different analysis methods. The coating analysis showed that reinforcements are uniformly distributed in the polymer matrix. Antibacterial test of disc diffusion was performed by the Kirby-Bauer method and minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) antibacterial test. The results showed that bionanocomposite was effective in the MIC assays against Staphylococcus aureus and Escherichia coli with MIC values of 25 mg/ml and >50 mg/ml, respectively. The inhibition zones for E. coli and S. aureus were 17 and 32 mm, respectively, at 10 μg/disc of gentamicin. SEM images displayed significant and evident alterations in the structure of bacterial morphology, indicating cellular damage.
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Affiliation(s)
- Hamidreza Amoon
- Department of Materials Science and Engineering, Razi University, Kermanshah, Iran
| | - Ayoub Moghadam
- Department of Materials Science and Engineering, Razi University, Kermanshah, Iran.
| | - Maryam Chalabi Hajkarim
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Yi H, Liu J, Yao J, Wang R, Shi W, Lu C. Photoluminescence Mechanism of Carbon Dots: Triggering Multiple Color Emissions through Controlling the Degree of Protonation. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196517. [PMID: 36235054 PMCID: PMC9571308 DOI: 10.3390/molecules27196517] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/27/2022] [Accepted: 09/29/2022] [Indexed: 11/05/2022]
Abstract
Carbon dots (CDs) have excellent optical properties, low toxicity and easy preparation, which have led to them being widely used in biomedicine, sensing and optical devices. However, although great progress has been made in the preparation of CDs, the detailed exploration of their photoluminescence (PL) mechanism is still under debate due to their complex structures and surface functionalities. Here, we proposed a single change in the pH of the synthesis condition, which had no effect on the CDs intrinsic core states and avoided the mutual influence of multiple PL origins. The m-phenylenediamine (m–PD) served as a carbon source, whose protonation degree determined the surface state of the resulting CDs and the accompanying fluorescence characteristics. The as-obtained CDs materials can be applied in the chemical sensor and anti-counterfeiting fields in a targeted manner. Therefore, our work not only contributes to the explanation of the CDs PL mechanism, but also obtains a series of CDs materials with controllable PL properties.
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Gao X, Wang L, Sun C, Zhou N. Research on Preparation Methods of Carbon Nanomaterials Based on Self-Assembly of Carbon Quantum Dots. Molecules 2022; 27:molecules27051690. [PMID: 35268791 PMCID: PMC8911832 DOI: 10.3390/molecules27051690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/19/2022] [Accepted: 02/25/2022] [Indexed: 02/04/2023] Open
Abstract
Here, based on self-assembly of carbon quantum dots (CDs), an innovative method to prepare nanomaterials under the action of a metal catalyst was presented. CDs were synthesized by a one-step hydrothermal method with citric acid (CA) as the carbon source, ethylenediamine (EDA) as the passivator and FeSO4•7H2O as the pre-catalyst. In the experiment, it was found that the nano-carbon films with a graphene-like structure were formed on the surface of the solution. The structure of the films was studied by high-resolution transmission electron microscopy (HRTEM), Fourier transform infrared (FT-IR), etc. The results demonstrated that the films were formed by the self-assembly of CDs under the action of the gas–liquid interface template and the metal catalyst. Meanwhile, the electrochemical performance of the films was evaluated by linear cyclic voltammetry (CV) and galvanostatic charge discharge (GOD) tests. In addition, the bulk solution could be further reacted and self-assembled by reflux to form a bifunctional magnetic–fluorescent composite material. Characterizations such as X-ray diffractometer (XRD), fluorescence spectra (FL), vibrating sample magnetometer (VSM), etc. revealed that it was a composite of superparamagnetic γ-Fe2O3 and CDs. The results showed that self-assembly of CDs is a novel and effective method for preparing new carbon nanomaterials.
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Affiliation(s)
| | | | | | - Nan Zhou
- Correspondence: ; Tel.: +86-13-766-873-464
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Ganie AS, Bano S, Khan N, Sultana S, Rehman Z, Rahman MM, Sabir S, Coulon F, Khan MZ. Nanoremediation technologies for sustainable remediation of contaminated environments: Recent advances and challenges. CHEMOSPHERE 2021; 275:130065. [PMID: 33652279 DOI: 10.1016/j.chemosphere.2021.130065] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/17/2021] [Accepted: 02/20/2021] [Indexed: 05/04/2023]
Abstract
A major and growing concern within society is the lack of innovative and effective solutions to mitigate the challenge of environmental pollution. Uncontrolled release of pollutants into the environment as a result of urbanisation and industrialisation is a staggering problem of global concern. Although, the eco-toxicity of nanotechnology is still an issue of debate, however, nanoremediation is a promising emerging technology to tackle environmental contamination, especially dealing with recalcitrant contaminants. Nanoremediation represents an innovative approach for safe and sustainable remediation of persistent organic compounds such as pesticides, chlorinated solvents, brominated or halogenated chemicals, perfluoroalkyl and polyfluoroalkyl substances (PFAS), and heavy metals. This comprehensive review article provides a critical outlook on the recent advances and future perspectives of nanoremediation technologies such as photocatalysis, nano-sensing etc., applied for environmental decontamination. Moreover, sustainability assessment of nanoremediation technologies was taken into consideration for tackling legacy contamination with special focus on health and environmental impacts. The review further outlines the ecological implications of nanotechnology and provides consensus recommendations on the use of nanotechnology for a better present and sustainable future.
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Affiliation(s)
- Adil Shafi Ganie
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
| | - Sayfa Bano
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
| | - Nishat Khan
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
| | - Saima Sultana
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
| | - Zubair Rehman
- Section of Organic Chemistry, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
| | - Mohammed M Rahman
- Center of Excellence for Advanced Material Research (CEAMR), King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Suhail Sabir
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
| | - Frederic Coulon
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, United Kingdom
| | - Mohammad Zain Khan
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India.
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Yang Q, Zhu JC, Li ZX, Chen XS, Jiang YX, Luo ZW, Wang P, Xie HL. Luminescent Liquid Crystals Based on Carbonized Polymer Dots and Their Polarized Luminescence Application. ACS APPLIED MATERIALS & INTERFACES 2021; 13:26522-26532. [PMID: 34057832 DOI: 10.1021/acsami.1c08641] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Traditional luminescent liquid crystals (LLCs) suffer from fluorescence quenching caused by aggregation, which greatly limits their further application. In this work, a kind of novel LLCs (named carbonized polymer dot liquid crystals (CPD-LCs)) are designed and successfully synthesized through grafting the rod-shaped liquid crystal (LC) molecules of 4'-cyano-4-(4″-bromohexyloxy) biphenyl on the surface of CPDs. The peripheral LC molecules not only increase the distance between different CPDs to prevent them from aggregating and reduce intermolecular energy resonance transfer but also make this LLC have an ordered arrangement. Thus, the obtained CPD-LCs show good LC property and excellent high luminous efficiency with an absolute photoluminescence quantum yield of 14.52% in the aggregated state. Furthermore, this kind of CPD-LC is used to fabricate linearly polarized devices. The resultant linearly polarized dichroic ratio (N) and polarization ratio (ρ) are 2.59 and 0.44, respectively. Clearly, this type of CPD-LC shows promising applications for optical devices.
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Affiliation(s)
- Qian Yang
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Ji-Chun Zhu
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Zhen-Xing Li
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Xiao-Shuai Chen
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Yu-Xing Jiang
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Zhi-Wang Luo
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Ping Wang
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - He-Lou Xie
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
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Cai H, Ma J, Xu X, Chu H, Zhang D, Li J. Sulfonated glycosaminoglycan bioinspired carbon dots for effective cellular labelling and promotion of the differentiation of mesenchymal stem cells. J Mater Chem B 2021; 8:5655-5666. [PMID: 32500905 DOI: 10.1039/d0tb00795a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Although carbon dots (CDs) have been synthesized and applied in a variety of biological fields, such as disease diagnosis and gene/drug delivery, the exploration of facile bioinspired synthesis and applications of CDs is still of great significance. Particularly, recent increasing research has clearly confirmed that nanomaterials can affect a series of physiological behaviors and functions of mesenchymal stem cells (MSCs) (e.g., differentiation and pluripotency). Therefore, it is very important to develop multifunctional nanomaterials to simultaneously realize the cellular labelling and regulation of MSC behaviors in practical applications. Herein, sulfonated glycosaminoglycan-bioinspired CDs as bi-functional nanomaterials were ingeniously designed for cellular imaging and promoting the differentiation of rat bone MSCs (rBMSCs) in different culture media, which simultaneously met the two fundamental requirements in the field of MSC-based treatments (e.g., precisely directing the differentiation of MSCs and effective cellular labeling). These bifunctional CDs were successfully prepared via one-pot hydrothermal synthesis by using d-glucosamine hydrochloride (GA·HCl) and sodium p-styrenesulfonate (NaSS) as the reactants. The synthesized CDs with a uniform particle size (around 4 nm) dispersed well in aqueous solutions and exhibited remarkable fluorescence stability under different conditions. Additionally, cell viability and proliferation results demonstrated that the CDs possessed good biocompatibility, having negligible effects on the self-renewal potential of rBMSCs. The as-prepared CDs presented a cytoplasmatic distribution after being ingested by rBMSCs; thus, they are particularly suitable for cellular imaging. More importantly, the addition of CDs to osteogenic and chondrogenic induction media (OIM and CIM), respectively, was capable of effectively promoting the osteogenic and chondrogenic differentiation of rBMSCs due to the generation of reactive oxygen species (ROS) while having no influence on their pluripotency. In brief, this study not only implements a cellular labeling method based on CDs that were synthesized by a biomimicking strategy, but also paves a new way to regulate the differentiation of MSCs by designing multifunctional nanomaterials; this will enable the extensive development of facile synthesis methods and new applications of CDs and will also provide some research foundations for MSC-based fields.
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Affiliation(s)
- Huijuan Cai
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China.
| | - Jiayun Ma
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China.
| | - Xinyuan Xu
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China.
| | - Hetao Chu
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China.
| | - Dongyue Zhang
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China. and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Jianshu Li
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China. and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
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Azadmanesh F, Pourmadadi M, Zavar Reza J, Yazdian F, Omidi M, Haghirosadat BF. Synthesis of a novel nanocomposite containing chitosan as a three-dimensional printed wound dressing technique: Emphasis on gene expression. Biotechnol Prog 2021; 37:e3132. [PMID: 33527746 DOI: 10.1002/btpr.3132] [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: 04/26/2020] [Revised: 12/11/2020] [Accepted: 01/12/2021] [Indexed: 01/02/2023]
Abstract
In this study, a highly porous three-dimensional (3D)-printed wound healing core/shell scaffold fabricated using poly-lactic acid (PLA). The core of scaffold was composed of hyaluronic acid (HA), copper carbon dots (Cu-CDs), rosmarinic acid, and chitosan hydrogel. Cu-CDs were synthesized using ammonium hydrogen citrate under hydrothermal conditions. Formulation containing 1 mg ml-1 concentration of Cu-CDs showed an excellent antibacterial activity against gram bacteria. At 0.25 mg ml-1 of Cu-CDs concentration, scaffold had a good biocompatibility as confirmed by cytotoxicity assay on L929 fibroblast stem cells. in vivo wound healing experiments on groups of rats revealed that after 15 days of treatment, the optimal formulation of composite scaffold significantly improves the wound healing process compared to the PLA scaffold. This finding was confirmed by histological analysis and the relative expression of PDGF, TGF-β, and MMP-1 genes. The biocompatible antibacterial CU-CDS/PLA/HA/chitosan/rosmarinic acid nanocomposite is a promising wound healing scaffold which highly accelerates the process of skin regeneration.
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Affiliation(s)
- Fatemeh Azadmanesh
- Department of Clinical Biochemistry, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mehrab Pourmadadi
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Tehran, Iran
| | - Javad Zavar Reza
- Department of Clinical Biochemistry, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Fatemeh Yazdian
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Tehran, Iran
| | - Meisam Omidi
- Protein Research Center, Shahid Beheshti University, Tehran, GC, Iran
| | - Bibi Fatemeh Haghirosadat
- Department of Clinical Biochemistry, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Cai H, Xu H, Chu H, Li J, Zhang D. Fabrication of multi-functional carbon dots based on "one stone, three birds" strategy and their applications for the dual-mode Fe 3+ detection, effective promotion on cell proliferation and treatment on ferric toxicosis in vitro. J Mater Chem B 2021; 9:767-782. [PMID: 33326551 DOI: 10.1039/d0tb02325f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ingenious design of multi-functional materials to simultaneously achieve the accurate detection of targets and effective treatment of target-related diseases is of great significance for both practical and clinical applications. Accordingly, based on their advantages of facile synthesis and function designability, functional nanomaterials have become promising candidates for integrating multi-functionality into one platform, especially carbon dot (CD)-based materials. Herein, deferoxamine (DFO)-inspired CDs with integrated "sense and treatment" potential were elaborately designed and fabricated via a one-pot hydrothermal synthesis by employing l-aspartic acid (Asp) and 2,5-diaminobenzenesulfonic acid (DABSA) as the reactants. A series of characterization results distinctly confirmed that the synthesized CDs possessed a unique chemical composition, uniform spherical morphology (diameter of around 5 nm) and good dispersibility in aqueous solution, exhibiting excellent fluorescence stability under different conditions. Owing to the complexation interaction between Fe3+ and the functional groups of CDs, the selective and sensitive detection of Fe3+ could be successfully realized through fluorescent and colorimetric dual-mode detection based on the statistic quenching in the initial stage, and subsequently the FRET process. Furthermore, these CDs could be utilized for cellular imaging and effective Fe3+ detection due to their outstanding biocompatibility and cytoplasmatic distribution. More significantly, these DFO-inspired CDs could remarkably promote the proliferation of various mammalian cells. Particularly, the results in this work obviously indicated that this type of CDs could weaken the damage of Fe3+ towards the physiological behaviors of cells, helping the cells to regain their capability of differentiation after ferric toxicosis. Therefore, this work presents an original approach for the design and fabrication of multi-functional materials according to the "one stone, three birds" strategy, which may be an optional solution to develop various multi-functional platforms for disease diagnosis and corresponding clinical treatment.
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Affiliation(s)
- Huijuan Cai
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
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Cai H, Zhu Y, Xu H, Chu H, Zhang D, Li J. Fabrication of fluorescent hybrid nanomaterials based on carbon dots and its applications for improving the selective detection of Fe (III) in different matrices and cellular imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:119033. [PMID: 33045482 DOI: 10.1016/j.saa.2020.119033] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 09/02/2020] [Accepted: 09/27/2020] [Indexed: 06/11/2023]
Abstract
Considering that detection on cations or ions still meets some challenges in achieving the effectivity and selectivity just by employing one platform, the ingenious fabrication of nanomaterials exhibits an increasing research interests for the preponderance in improving or integrating the performance of single platform. Herein, a fluorescent hybrid nanomaterials based on an organic dye 4-methylumbelliferone (4-MU) as modifier and D-arginine as carbon cores has been developed via a facile one-step hydrothermal synthesis, forming carbon dots (CDs)/4-MU hybrid nanomaterials (CDs-4-MU). This kind of nanomaterials can improve the sensitive and selective detection of single CDs towards Fe3+ ions in different matrices. The detection mechanism of CDs-4-MU towards Fe3+ can be attributed to an electron transfer process between CDs-4-MU and Fe3+, leading to the fluorescence quenching. The limit of detection (LOD) and corresponding linear range in tris-HCl buffer solution are 0.68 μM and 2.29-200 μM, respectively. Furthermore, this nanomaterial can also achieve a detection of Fe3+ ions in real samples such as tap water, culture medium and fetal bovine serum. In particular, CDs-4-MU exhibits a good biocompatibility and can be uptaken by MC3T3 cells, thus can be applied for Fe3+ ions detection in cellular level and cellular imaging. Therefore, this work provides a versatile strategy for the synthesis of CDs-based hybrid nanomaterials and opens a new pathway for improving the ion detection in real samples, which is of significance in practical applications.
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Affiliation(s)
- Huijuan Cai
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Yalin Zhu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Huilin Xu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Hetao Chu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Dongyue Zhang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Jianshu Li
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
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Gao L, Wu D, Tan W, Pan F, Xu J, Tao Y, Kong Y. A facile synthesis of two ionized fluorescent carbon dots and selective detection toward Fe 2+ and Cu 2. NANOSCALE ADVANCES 2020; 2:2943-2949. [PMID: 36132392 PMCID: PMC9417647 DOI: 10.1039/d0na00151a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 05/18/2020] [Indexed: 06/15/2023]
Abstract
In this study, a facile synthesis of two ionized carbon dots (CDs-2 and CDs-3) is reported, in which different ionic pairs are formed at the surface of the carbon core. In contrast to CDs-3, the accumulation of carbon core can be clearly observed in the TEM image of CDs-2. This is due to the linkage of the dibromine alkyl group. Compared with naked CDs in the absence of the ionic pair, the maximum emission wavelength undergoes a red-shift of nearly 60 nm. Moreover, protic solvents (water, ethanol and N,N'-dimethyl formamide) have an apparent effect on the emission intensities of CDs-2 and CDs-3. The time-resolved average lifetimes of CDs-2 and CDs-3 are calculated as 56.34 ns and 54.50 ns, respectively. Furthermore, they both have much better fluorescence stability in the solution with pH ranging from 2 to 11 due to the presence of the imidazolium cation. It is interesting to see that CDs-2 and CDs-3 have much different responses towards Cu2+ and Fe2+. The CDs-3 solution generates clear fluorescence quenching when treated with Fe2+. In brief, we believe that these findings can inspire more research developments in the synthesis and further application of functional CDs.
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Affiliation(s)
- Li Gao
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University Changzhou 213164 China
| | - Datong Wu
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University Changzhou 213164 China
| | - Wensheng Tan
- Changzhou Key Laboratory of Large Plastic Parts Intelligence Manufacturing, Changzhou College of Information Technology Changzhou 213164 China
| | - Fei Pan
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University Changzhou 213164 China
| | - Jiale Xu
- Changzhou Key Laboratory of Large Plastic Parts Intelligence Manufacturing, Changzhou College of Information Technology Changzhou 213164 China
| | - Yongxin Tao
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University Changzhou 213164 China
| | - Yong Kong
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University Changzhou 213164 China
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Wu D, Pan F, Gao L, Tao Y, Kong Y. An ionic-based carbon dot for enantioselective discrimination of nonaromatic amino alcohols. Analyst 2020; 145:3395-3400. [PMID: 32239048 DOI: 10.1039/d0an00399a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here, ionized chiral carbon dots, (S,S)-C-dots-1 (λex = 430 nm, λem = 480 nm), were synthesized via a facile route with relatively high quantum yield (∼24.4%) and used as a fluorescent chiral sensor. One of the advantages of the synthetic process is that it avoids the loss of the chiral center. That is, the chiral bromo compound can directly form an ionic pair with the pyridyl group, which is derived from the amine precursor in the first step. Furthermore, (S,S)-C-dots-1 shows clear discrimination toward different configurations of nonaromatic amino alcohols in the presence of Cu(ii). When the (R)-isomer is added to a solution of (S,S)-C-dots-1 + Cu(ii), it shows much higher fluorescent intensity than the (S)-isomer. The values of IR/IS are 2.9 and 2.3 for 2-aminobutan-1-ol and 2-aminopropan-1-ol, respectively. In summary, we believe that this work can expand the synthetic routes and potential applications of functional carbon dots in the field of enantioselective sensing.
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Affiliation(s)
- Datong Wu
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
| | - Fei Pan
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
| | - Li Gao
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
| | - Yongxin Tao
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
| | - Yong Kong
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
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14
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Zhang Y, Zhang X, Shi Y, Sun C, Zhou N, Wen H. The Synthesis and Functional Study of Multicolor Nitrogen-Doped Carbon Dots for Live Cell Nuclear Imaging. Molecules 2020; 25:molecules25020306. [PMID: 31940913 PMCID: PMC7024153 DOI: 10.3390/molecules25020306] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 11/16/2022] Open
Abstract
The nitrogen-doped carbon dots (N-CQDs) were synthesized by citric acid as a raw material and propylene diamine as a passivation agent. Structure, optical properties and biocompatibility of N-CQDs were analyzed. It was found that the N-CQDs possessed concentration-dependent, multicolor photoluminescence and low toxicity. As demonstrated in the imaging of bioluminescence, by adjusting the concentration of N-CQDs, the cell imaging effect can be adjusted. The internalized N-CQDs were concentrated in the nucleus. A novel tool for studying the nuclear changes during the cell cycle was developed.
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Affiliation(s)
- Yanan Zhang
- Department of Physiology, Harbin Medical University, Harbin 150081, China;
| | - Xingwei Zhang
- Department of Chemistry, Northeast Agricultural University, Harbin 150025, China; (X.Z.); (Y.S.); (C.S.)
| | - Yanping Shi
- Department of Chemistry, Northeast Agricultural University, Harbin 150025, China; (X.Z.); (Y.S.); (C.S.)
| | - Chao Sun
- Department of Chemistry, Northeast Agricultural University, Harbin 150025, China; (X.Z.); (Y.S.); (C.S.)
| | - Nan Zhou
- Department of Chemistry, Northeast Agricultural University, Harbin 150025, China; (X.Z.); (Y.S.); (C.S.)
- Correspondence: (H.W.); (N.Z.); Tel.: +86-13766873464 (N.Z.)
| | - Haixia Wen
- Department of Physiology, Harbin Medical University, Harbin 150081, China;
- Correspondence: (H.W.); (N.Z.); Tel.: +86-13766873464 (N.Z.)
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15
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Fan YZ, Dong JX, Zhang Y, Li N, Liu SG, Geng S, Ling Y, Luo HQ, Li NB. A smartphone-coalesced nanoprobe for high selective ammonia sensing based on the pH-responsive biomass carbon nanodots and headspace single drop microextraction. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 219:382-390. [PMID: 31059890 DOI: 10.1016/j.saa.2019.04.073] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 04/25/2019] [Accepted: 04/25/2019] [Indexed: 06/09/2023]
Abstract
Ammonia concentration together with pH values are important and closely linked indexes for aqueous systems. Rapid on-site determination of ammonia or pH is of great significance to environmental monitoring. In this work, a pH-switchable nanoprobe based on biomass carbon dots (CDs) is developed using a smartphone as a simple and handy instrument. The CDs demonstrate sensitive pH response in wide linear ranges of 6.1-13.6, and 2.0-13.6 with colorimetric and fluorescent channels, respectively. It is the pH-induced aggregation that governs the color and fluorescence switch. With the pH evolution caused by the dissolution of ammonia, the smartphone-integrated nanoprobe is applied to ammonia detection with a broad range of 0.5-300 mM. Moreover, the headspace single drop microextraction strategy can concentrate ammonia from matrix, offering a remarkably high selectivity for ammonia determination. Finally, the practical applications of this method for ammonia analysis obtained satisfactory results.
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Affiliation(s)
- Yu Zhu Fan
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Jiang Xue Dong
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Ying Zhang
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China; College of Chemistry and Environmental Engineering, Key Laboratory of Green Catalysis of Higher Education Institutes of Sichuan, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Na Li
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Shi Gang Liu
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Shuo Geng
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Yu Ling
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Hong Qun Luo
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China.
| | - Nian Bing Li
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China.
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16
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Huo F, Liu Y, Zhu M, Gao E, Zhao B, Yang X. Ultrabright Full Color Carbon Dots by Fine-Tuning Crystal Morphology Controllable Synthesis for Multicolor Bioimaging and Sensing. ACS APPLIED MATERIALS & INTERFACES 2019; 11:27259-27268. [PMID: 31283170 DOI: 10.1021/acsami.9b10176] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this paper, two kinds of novel carbon nanocrystals (CNCs) with different crystal morphologies (the branch-chain young sprout form (CM1) and conifer-pine form (CM2)) were obtained in a controllable way. The mechanism of crystal morphological development was explored well. When the two kinds of the CNCs were dissolved in different polar solvents, they voluntarily become "ultrafine crystals" at the moment. After that, the ultrabright full color carbon dots (UBFCCDs) have been preliminarily prepared by fine-controlling. With the evaporation of the solvents, the CNCs crystallized again, which could repeat back and forth many times. After the conditions of preparing for CDs were optimized carefully, the as-prepared CDs exhibit ultrabright effects of multiexcitation and multiemission (from blue to red) and can show unique up-conversion luminescence characteristics under a lower excitation wavelength of 660 nm instead of a near-infrared wavelength of 980 or 808 nm. Significantly, the QY% of the UBFCCDs can reach 78.0%, which is higher than that of the traditional hydrothermal methods of discarding precipitation and carrying out dialysis (QY% = 69.0%). The as-prepared CDs can be used for multicolor biomedical imaging in vivo and in vitro and metal ion sensing and also show their potential value for industrial applications.
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Affiliation(s)
- Feng Huo
- School of Chemistry and Chemical Engineering, Analytical Testing Center, Institute of Micro/Nano Intelligent Sensing , Neijiang Normal University , Neijiang 641100 , PR China
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province , China West Normal University , Nanchong 637000 , PR China
| | - Yuhang Liu
- School of Chemistry and Chemical Engineering, Analytical Testing Center, Institute of Micro/Nano Intelligent Sensing , Neijiang Normal University , Neijiang 641100 , PR China
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province , China West Normal University , Nanchong 637000 , PR China
| | - Mingguang Zhu
- School of Chemistry and Chemical Engineering, Analytical Testing Center, Institute of Micro/Nano Intelligent Sensing , Neijiang Normal University , Neijiang 641100 , PR China
| | | | - Bin Zhao
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province , China West Normal University , Nanchong 637000 , PR China
| | - Xiupei Yang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province , China West Normal University , Nanchong 637000 , PR China
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17
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Xu L, Zhang H, Wei J. Fabrication of multicolored patterns based on dye-doped cholesteric liquid crystals. Photochem Photobiol Sci 2019; 18:1638-1648. [PMID: 31090779 DOI: 10.1039/c9pp00150f] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We developed a type of dye-doped cholesteric liquid crystal, which were used for fluorescence enhancement and dual-mode multicolor patterns. We added dye molecules (BBOT, coumarin 6 (C6) and rhodamine B (RhB)) to liquid crystals, and cholesteric liquid crystals (CLC) exhibited selective reflection characteristics. When the reflection wavelength overlaps with the peak of the fluorescent dye, the luminescence intensity of the dye molecules could be adjusted. We used two methods to adjust the reflection wavelength of the cholesteric liquid crystals by changing the content of chiral additives and the isomerization degree of azo molecules. We used the screen printing and stencil printing methods to combine liquid crystal particles containing different fluorescent colors to prepare multicolor patterns. Moreover, the photoisomerization characteristics of the azo molecules were also used to achieve brilliant firework-like images upon exposure to ultraviolet and visible light. In addition, we also realized a face-changing stunt with facial makeup during a performance in the Sichuan Opera, a traditional Chinese folk art. We made use of the difference between reflection color and luminescence intensity upon light irradiation to present orange, green, blue and dark-blue facial effects.
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Affiliation(s)
- Linlin Xu
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Hanbing Zhang
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Jie Wei
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China. and Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing 100029, P. R. China
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18
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Rao X, Yuan M, Jiang H, Li L, Liu Z. A universal strategy to obtain chiroptical carbon quantum dots through the optically active surface passivation procedure. NEW J CHEM 2019. [DOI: 10.1039/c9nj03434j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A two-step pyrolytic route has been demonstrated for producing optically active photoluminescence CQDs by surface passivation with an enantiomeric ligand.
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Affiliation(s)
- Xinyue Rao
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Mengke Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Huan Jiang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Ling Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Zhongde Liu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
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19
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Ren W, Chen S, Liao Y, Li S, Ge J, Tao F, Huo Q, Zhang Y, Zhao Z. Near-infrared fluorescent carbon dots encapsulated liposomes as multifunctional nano-carrier and tracer of the anticancer agent cinobufagin in vivo and in vitro. Colloids Surf B Biointerfaces 2018; 174:384-392. [PMID: 30476792 DOI: 10.1016/j.colsurfb.2018.11.041] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/24/2018] [Accepted: 11/19/2018] [Indexed: 12/19/2022]
Abstract
Integrating the optical properties of near-infrared fluorescent carbon dots into liposomes may construct a multifunctional nano-system with the potential as a drug carrier, tracer and efficacy intensifier of the anticancer agent. In this study, the liposomes loaded with hydrophilic near-infrared carbon dots as a nano-carrier and tracer of lipophilic anticancer agent cinobufagin were developed. Prepared liposomes were characterized by particle size, morphology and entrapment efficiency. The drug release behavior, the tracer function, the anticancer effect and the side effect were investigated in vitro and in vivo. It was observed that the photoluminescence emission of carbon dots could be strongly enhanced up to 5 times by nano-liposomes. Due to this property, the bio-imaging of CDs + CB liposomes in vitro and in vivo could be clearly obtained. Our results also showed that the CDs + CB liposomes could be uptaken by cells (the lysosomes targeted) and delivered to the tumor site, and undoubtedly, the CDs + CB liposomes demonstrated sustained drug release, enhanced anticancer efficacy and low side effects in vivo. With the assistance of imaging function of CDs, the CDs + CB liposomes can easily display the distribution of drugs, which is very helpful for drug development and may open a novel avenue for drug delivery.
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Affiliation(s)
- Wei Ren
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing Mass Spectrum Center, Beijing, 100190, China; College of Biochemistry Engineering, Beijing Union University, Beijing, 100023, China
| | - Shiqing Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU-CAS Joint Laboratory of Functional Materials and Devices Technical Institute of Physics and Chemistry Chinese Academy of Sciences, Beijing, 100190, China
| | - Yuyang Liao
- College of Biochemistry Engineering, Beijing Union University, Beijing, 100023, China
| | - Shumu Li
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing Mass Spectrum Center, Beijing, 100190, China
| | - Jiechao Ge
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU-CAS Joint Laboratory of Functional Materials and Devices Technical Institute of Physics and Chemistry Chinese Academy of Sciences, Beijing, 100190, China
| | - Fengyun Tao
- College of Biochemistry Engineering, Beijing Union University, Beijing, 100023, China
| | - Qing Huo
- College of Biochemistry Engineering, Beijing Union University, Beijing, 100023, China
| | - Yangyang Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing Mass Spectrum Center, Beijing, 100190, China; Graduate School, University of Chinese Academy of Sciences, Beijing, 100190, China.
| | - Zhenwen Zhao
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing Mass Spectrum Center, Beijing, 100190, China; Graduate School, University of Chinese Academy of Sciences, Beijing, 100190, China.
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20
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Ren W, Chen S, Li S, Zhang Y, Liu J, Guan M, Yang H, Li N, Han C, Li T, Zhao Z, Ge J. Photoluminescence Enhancement of Carbon Dots by Surfactants at Room Temperature. Chemistry 2018; 24:15806-15811. [DOI: 10.1002/chem.201804436] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Wei Ren
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Shiqing Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, and CityU-CAS Joint Laboratory of Functional Materials and Devices; Technical Institute of Physics and Chemistry, Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Shumu Li
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
| | - Yangyang Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Jianan Liu
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
| | - Ming Guan
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Hui Yang
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Na Li
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Chao Han
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Tuo Li
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Zhenwen Zhao
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems; Institute of Chemistry, Chinese Academy of Sciences, Beijing Mass Spectrum Center; Beijing 100190 P. R. China
- Graduate School; University of Chinese Academy of Sciences; Beijing 100190 P. R. China
| | - Jiechao Ge
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, and CityU-CAS Joint Laboratory of Functional Materials and Devices; Technical Institute of Physics and Chemistry, Chinese Academy of Sciences; Beijing 100190 P. R. China
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21
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Zhang M, Hu L, Wang H, Song Y, Liu Y, Li H, Shao M, Huang H, Kang Z. One-step hydrothermal synthesis of chiral carbon dots and their effects on mung bean plant growth. NANOSCALE 2018; 10:12734-12742. [PMID: 29946587 DOI: 10.1039/c8nr01644e] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Chiral compounds/materials have important effects on the growth of plants. Chiral carbon dots (CDs), as an emerging chiral carbon nanomaterial, have great potential in bio-application and bio-nanotechnology. Herein, we report a hydrothermal method to synthesize chiral CDs from cysteine (cys) and citric acid. These chiral CDs were further demonstrated to have systemic effects on the growth of mung bean plants, in which case both l- and d-CDs can promote the growth of the root in mung bean plants, stem length of mung bean sprouts and water absorption of bean seeds. The elongation of mung bean sprouts presented an increasing trend with the treatment of chiral CDs of increasing concentration (below 500 μg mL-1). Furthermore, in the optimal concentration (100 μg mL-1), the l-CDs can improve root vigor and the activity of the Rubisco enzyme of bean sprouts by 8.4% and 20.5%, while the d-CDs increased by 28.9% and 67.5%. Due to more superior properties in improving root vigor and the activity of the Rubisco enzyme of mung bean sprouts, d-CDs are able to enhance photosynthesis better and accumulate more carbohydrate in mung bean plants.
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Affiliation(s)
- Mengling Zhang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, PR China.
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22
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Bhatt S, Bhatt M, Kumar A, Vyas G, Gajaria T, Paul P. Green route for synthesis of multifunctional fluorescent carbon dots from Tulsi leaves and its application as Cr(VI) sensors, bio-imaging and patterning agents. Colloids Surf B Biointerfaces 2018; 167:126-133. [PMID: 29635135 DOI: 10.1016/j.colsurfb.2018.04.008] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 03/29/2018] [Accepted: 04/03/2018] [Indexed: 12/15/2022]
Abstract
We report a one pot green strategy for the synthesis of carbon dots using tulsi leaves and their potential application in sensing of Cr(VI) selectively. The detection mechanism is based on the phenomenon called inner filter effect (IFE) and a good linear static quenching was observed in the range of 1.6 μM to 50 μM with a detection limit of 4.5 ppb. The reversible switching in fluorescence has been tested and a good recovery in fluorescence was observed up to three consecutive cycles upon addition of ascorbic acid as reducing agent. Also the low toxicity, high fluorescence and photostabilty of the CDs make them excellent imaging and patterning agent. The acid and alkali resistant property of these CDs makes it suitable for real sample analysis. The fluorescent CDs were applied for successful detection of Cr(VI) in water with spike-recoveries ranging from 93 to 99%.
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Affiliation(s)
- Shreya Bhatt
- Analytical and Environmental Science Division and Centralized Instrument Facility; Academy of Scientific and Innovative Research (AcSIR)
| | - Madhuri Bhatt
- Analytical and Environmental Science Division and Centralized Instrument Facility; Academy of Scientific and Innovative Research (AcSIR)
| | - Anshu Kumar
- Analytical and Environmental Science Division and Centralized Instrument Facility; Academy of Scientific and Innovative Research (AcSIR)
| | - Gaurav Vyas
- Analytical and Environmental Science Division and Centralized Instrument Facility; Academy of Scientific and Innovative Research (AcSIR)
| | - Tejal Gajaria
- Division of Biotechnology and Phycology, CSIR-Central Salt & Marine Chemicals Research Institute (CSMCRI), Bhavnagar, India; Academy of Scientific and Innovative Research (AcSIR)
| | - Parimal Paul
- Analytical and Environmental Science Division and Centralized Instrument Facility; Academy of Scientific and Innovative Research (AcSIR).
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23
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Hai X, Guo Z, Lin X, Chen X, Wang J. Fluorescent TPA@GQDs Probe for Sensitive Assay and Quantitative Imaging of Hydroxyl Radicals in Living Cells. ACS APPLIED MATERIALS & INTERFACES 2018; 10:5853-5861. [PMID: 29350900 DOI: 10.1021/acsami.7b16094] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A fluorescent probe TPA@GQDs is fabricated by the conjugation of terephthalic acid (TPA) on the surface of graphene quantum dots (GQDs). The TPA@GQDs probe not only has favorable dispersibility but also exhibits excellent fluorescence stability over a wide pH range and high ionic strength and favorable antiphotobleaching ability. The great fluorescence enhancement of TPA@GQDs induced by the reaction between TPA and hydroxyl radicals makes the TPA@GQDs a powerful probe for the sensitive assay of hydroxyl radicals, giving rise to a low detection limit down to 12 nmol L-1. Meanwhile, the obtained fluorescent TPA@GQDs probe shows low cytotoxicity and favorable biocompatibility. Its potential in bioimaging is demonstrated by the quantitative fluorescent imaging of hydroxyl radicals in living HeLa cells under different circumstances, which enables the opportunities to study hydroxyl radicals dynamics in living cells.
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Affiliation(s)
- Xin Hai
- Research Center for Analytical Sciences, Northeastern University , Box 332, Shenyang 110819, China
| | - Zhiyong Guo
- Research Center for Analytical Sciences, Northeastern University , Box 332, Shenyang 110819, China
| | - Xin Lin
- Research Center for Analytical Sciences, Northeastern University , Box 332, Shenyang 110819, China
| | - Xuwei Chen
- Research Center for Analytical Sciences, Northeastern University , Box 332, Shenyang 110819, China
| | - Jianhua Wang
- Research Center for Analytical Sciences, Northeastern University , Box 332, Shenyang 110819, China
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24
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Hu L, Li H, Liu C, Song Y, Zhang M, Huang H, Liu Y, Kang Z. Chiral evolution of carbon dots and the tuning of laccase activity. NANOSCALE 2018; 10:2333-2340. [PMID: 29327752 DOI: 10.1039/c7nr08335a] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Chirality has attracted extensive attention in many fields ranging from chemistry to life sciences. Carbon dots (CDs) with good biocompatibility and unique photochemical properties have become a new star in the nanocarbon family. Endowed with chirality, CDs will exhibit more marvellous properties and bridge the fields of material chemistry and life sciences tightly. Herein, we report a facile one-step alkali-assisted electrochemical method to fabricate chiral CDs from cysteine (cys). We showed the chiral evolution of CDs with highly symmetrical circular dichroism (CD) signals in the range from 205 to 350 nm. These chiral CDs have been further demonstrated to be capable of tuning the activity of laccase: the l-CDs can improve the activity of the enzyme up to 20.2%, whereas the d-CDs decrease the activity to 10.4%. A series of experiments confirm that it is the synergistic effect of nanosize and chirality of CDs that induces the change in the structure of laccase and thus leads to the tuning of the laccase activity.
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Affiliation(s)
- Lulu Hu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, PR China.
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25
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Zhou N, Zhang X, Shi Y, Li Z, Feng Z. Nitrogen-doped carbon dot mediated fluorescence on–off assay for highly sensitive detection of I− and Br− ions. NEW J CHEM 2018. [DOI: 10.1039/c8nj02397b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nitrogen-doped carbon quantum dots (CDs) were synthesized in ethanol media by using citric acid (CA) as the carbon source and ethanediamine (EDA) as the nitrogen source.
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Affiliation(s)
- Nan Zhou
- Department of Chemistry
- Northeast Agricultural University
- Harbin 150025
- China
| | - Xingwei Zhang
- Department of Chemistry
- Northeast Agricultural University
- Harbin 150025
- China
| | - Yanping Shi
- Department of Chemistry
- Northeast Agricultural University
- Harbin 150025
- China
| | - Zeliang Li
- Department of Chemistry
- Northeast Agricultural University
- Harbin 150025
- China
| | - Zhibiao Feng
- Department of Chemistry
- Northeast Agricultural University
- Harbin 150025
- China
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26
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Chen TH, Chang HT. Stable and Photoswitchable Carbon-Dot Liposome. ACS APPLIED MATERIALS & INTERFACES 2017; 9:44259-44263. [PMID: 29218985 DOI: 10.1021/acsami.7b14969] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Carbon-dot (C-dot) liposome consisting of several thousands of C-dots shows interesting photoswitching properties. The water-dispersible C-dot liposome possesses intrinsic photoluminescence (PL) and is stable against salt and photoirradiation. The PL of C-dot liposome can be turned off and then on under photoirradiation over the wavelength regions of 510-540 nm and 365-420 nm, respectively. Like reported C-dots, the C-dot liposome emits various colors when excited at different wavelengths. Having great stability and high contrast, images of individual C-dot liposome have been recorded, showing negligible photoblinking. Through a simple photolithographic approach, micropatterns of C-dot liposomes emitting different colors have been fabricated.
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Affiliation(s)
- Tzu-Heng Chen
- Department of Chemistry, National Taiwan University , Taipei 10617, Taiwan
| | - Huan-Tsung Chang
- Department of Chemistry, National Taiwan University , Taipei 10617, Taiwan
- Department of Chemistry, Chung Yuan Christian University , Taoyuan City, Taiwan
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27
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Hou P, Yang T, Liu H, Li YF, Huang CZ. An active structure preservation method for developing functional graphitic carbon dots as an effective antibacterial agent and a sensitive pH and Al(iii) nanosensor. NANOSCALE 2017; 9:17334-17341. [PMID: 29094119 DOI: 10.1039/c7nr05539k] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Functional engineering is a crucial prerequisite for specific and wide applications of optical probes. In this study, we proposed a facile active structure preservation (ASP) method to directly develop new self-functional graphitic carbon dots (g-CDs) through a hydrothermal synthesis route by taking ciprofloxacin hydrochloride, an antibiotic belonging to a group of fluoroquinolone drugs, as an example. To retain the functional structures of the starting materials, the reaction temperature is intentionally controlled below the decomposition temperature of the reactants that hold the functional groups. As a proof of concept, we successfully prepared g-CDs with ciprofloxacin-like structures on its surface, as identified by mass spectrometric (MS) analysis. The as-prepared g-CDs not only exhibit effective antibacterial activity towards the bacteria Staphylococcus aureus (Gram-positive) and Escherichia coli (Gram-negative), but can also optically sense pH in the range from 5.02 to 9.91. Furthermore, the g-CDs can coordinate with aluminum ions to show a chelation-enhanced photoluminescence (CHEP) effect. These results indicate that the ASP method can be promising for engineering CDs with various properties.
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Affiliation(s)
- Peng Hou
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
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28
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Lin C, Jiang Y, Tao CA, Yin X, Lan Y, Wang C, Wang S, Liu X, Li G. Electrothermally Driven Fluorescence Switching by Liquid Crystal Elastomers Based On Dimensional Photonic Crystals. ACS APPLIED MATERIALS & INTERFACES 2017; 9:11770-11779. [PMID: 28293943 DOI: 10.1021/acsami.6b15619] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
In this article, the fabrication of an active organic-inorganic one-dimensional photonic crystal structure to offer electrothermal fluorescence switching is described. The film is obtained by spin-coating of liquid crystal elastomers (LCEs) and TiO2 nanoparticles alternatively. By utilizing the property of LCEs that can change their size and shape reversibly under external thermal stimulations, the λmax of the photonic band gap of these films is tuned by voltage through electrothermal conversion. The shifted photonic band gap further changes the matching degree between the photonic band gap of the film and the emission spectrum of organic dye mounting on the film. With rhodamine B as an example, the enhancement factor of its fluorescence emission is controlled by varying the matching degree. Thus, the fluorescence intensity is actively switched by voltage applied on the system, in a fast, adjustable, and reversible manner. The control chain of using the electrothermal stimulus to adjust fluorescence intensity via controlling the photonic band gap is proved by a scanning electron microscope (SEM) and UV-vis reflectance. This mechanism also corresponded to the results from the finite-difference time-domain (FDTD) simulation. The comprehensive usage of photonic crystals and liquid crystal elastomers opened a new possibility for active optical devices.
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Affiliation(s)
- Changxu Lin
- Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, College of Physical Science and Technology, Xiamen University , 361005 Xiamen, P.R. China
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Yin Jiang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
- Beilun Science and Technology Bureau , Ningbo, 315800, P. R. China
| | - Cheng-An Tao
- College of Science, National University of Defence Technology , Changsha 410073, P. R. China
| | - Xianpeng Yin
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Yue Lan
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Chen Wang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Shiqiang Wang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Xiangyang Liu
- Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, College of Physical Science and Technology, Xiamen University , 361005 Xiamen, P.R. China
| | - Guangtao Li
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
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29
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Omidi M, Yadegari A, Tayebi L. Wound dressing application of pH-sensitive carbon dots/chitosan hydrogel. RSC Adv 2017. [DOI: 10.1039/c6ra25340g] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Monitoring the pH of wounds as an essential diagnosis factor during the healing process.
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Affiliation(s)
- Meisam Omidi
- Medical Nanotechnology & Tissue Engineering Research Center
- Shahid Beheshti University of Medical Sciences
- Tehran
- Iran
| | - Amir Yadegari
- Department of Developmental Sciences
- Marquette University School of Dentistry
- Milwaukee
- USA
| | - Lobat Tayebi
- Department of Developmental Sciences
- Marquette University School of Dentistry
- Milwaukee
- USA
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30
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Mao QX, E S, Xia JM, Song RS, Shu Y, Chen XW, Wang JH. Hydrophobic Carbon Nanodots with Rapid Cell Penetrability and Tunable Photoluminescence Behavior for in Vitro and in Vivo Imaging. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:12221-12229. [PMID: 27805819 DOI: 10.1021/acs.langmuir.6b03331] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Tunable fluorescent emission and applications in both in vitro and in vivo imaging of hydrophobic carbon nanodots (CNDs) with rapid penetration capability are reported. The hydrophobic CNDs are prepared via hydrothermal treatment of ionic liquid 1-ethyl-3-methylimidazolium bromide and exhibit excitation-dependent photoluminescence behavior along with a red-shift in the excitation/emission maxima with concentration. The quantum yields of the as-prepared CNDs are in the range of 2.5-4.8% at an excitation wavelength of 300-600 nm. The rapid penetration behavior (within 1 min) of CNDs into the cell membrane significantly reduces the sample treatment time and avoids potential fluorescence quenching induced by the interaction between CNDs and samples. A co-location study reveals that the hydrophobic CNDs are distributed mainly in the lysosome. The potentials of the hydrophobic CNDs as fluorescent probe in in vitro and in vivo imaging are well demonstrated by the labeling of HeLa cells, MCF-7 cells, A549 cells, and Kunming mice.
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Affiliation(s)
- Quan-Xing Mao
- Research Center for Analytical Sciences, Department of Chemistry, Northeastern University , Box 332, Shenyang 110819, China
| | - Shuang E
- Research Center for Analytical Sciences, Department of Chemistry, Northeastern University , Box 332, Shenyang 110819, China
| | - Jun-Mei Xia
- Research Center for Analytical Sciences, Department of Chemistry, Northeastern University , Box 332, Shenyang 110819, China
| | - Ru-Sheng Song
- Institute of Biotechnology, College of Life and Health Sciences, Northeastern University , Shenyang 110169, China
| | - Yang Shu
- Institute of Biotechnology, College of Life and Health Sciences, Northeastern University , Shenyang 110169, China
| | - Xu-Wei Chen
- Research Center for Analytical Sciences, Department of Chemistry, Northeastern University , Box 332, Shenyang 110819, China
| | - Jian-Hua Wang
- Research Center for Analytical Sciences, Department of Chemistry, Northeastern University , Box 332, Shenyang 110819, China
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31
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Vijayan VM, Shenoy SJ, Victor SP, Muthu J. Stimulus responsive nanogel with innate near IR fluorescent capability for drug delivery and bioimaging. Colloids Surf B Biointerfaces 2016; 146:84-96. [PMID: 27262258 DOI: 10.1016/j.colsurfb.2016.05.059] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 05/05/2016] [Accepted: 05/19/2016] [Indexed: 01/30/2023]
Abstract
A brighter, non toxic and biocompatible optical imaging agent is one of the major quests of biomedical research. Here in, we report a photoluminescent comacromer [PEG-poly(propylene fumarate)-citric acid-glycine] and novel stimulus (pH) responsive nanogel endowed with excitation wavelength dependent fluorescence (EDF) for combined drug delivery and bioimaging applications. The comacromer when excited at different wavelengths in visible region from 400nm to 640nm exhibits fluorescent emissions from 510nm to 718nm in aqueous condition. It has high Stokes shift (120nm), fluorescent lifetime (7 nanoseconds) and quantum yield (50%). The nanogel, C-PLM-NG, prepared with this photoluminescent comacromer and N,N-dimethyl amino ethylmethacrylate (DMEMA) has spherical morphology with particle size around 100nm and 180nm at pH 7.4 (physiological) and 5.5 (intracellular acidic condition of cancer cells) respectively. The studies on fluorescence characteristics of C-PLM NG in aqueous condition reveal large red-shift with emissions from 523nm to 700nm for excitations from 460nm to 600nm ascertaining the EDF characteristics. Imaging the near IR emission with excitation at 535nm was accomplished using cut-off filters. The nanogel undergoes pH responsive swelling and releases around 50% doxorubicin (DOX) at pH 5.5 in comparison with 15% observed at pH 7.4. The studies on in vitro cytotoxicity with MTT assay and hemolysis revealed that the present nanogel is non-toxic. The DOX-loaded C-PLM-NG encapsulated in Hela cells induces lysis of cancer cells. The inherent EDF characteristics associated with C-PLM NG enable cellular imaging of Hela cells. The studies on biodistribution and clearance mechanism of C-PLM-NG from the body of mice reveal bioimaging capability and safety of the present nanogel. This is the first report on a polymeric nanogel with innate near IR emissions for bioimaging applications.
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Affiliation(s)
- Vineeth M Vijayan
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Polymer Science Division, BMT Wing, Thiruvananthapuram 695012, Kerala, India
| | - Sachin J Shenoy
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Division of In vivo models and Testing, BMT Wing, Thiruvananthapuram 695012, Kerala, India
| | - Sunita P Victor
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Polymer Science Division, BMT Wing, Thiruvananthapuram 695012, Kerala, India
| | - Jayabalan Muthu
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Polymer Science Division, BMT Wing, Thiruvananthapuram 695012, Kerala, India.
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32
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Jiang Y, Wang Z, Dai Z. Preparation of Silicon-Carbon-Based Dots@Dopamine and Its Application in Intracellular Ag(+) Detection and Cell Imaging. ACS APPLIED MATERIALS & INTERFACES 2016; 8:3644-3650. [PMID: 26502274 DOI: 10.1021/acsami.5b08089] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A novel nanocomposite, silicon-carbon-based dots@dopamine (Si-CDs@DA) was prepared using (3-aminopropyl) triethoxysilane, glycerol, and dopamine as raw materials via a rapid microwave-assisted irradiation. This type of Si-CDs@DA exhibited ultrabright fluorescence emission (quantum yield of 12.4%) and could response to Ag(+) selectively and sensitively. Moreover, the obtained Si-CDs@DA can be further applied in sensing intracellular Ag(+) and cell imaging, because of its photostability, salt stability, and low cytotoxicity. This study provides a simple and efficient approach for preparing novel Ag(+) fluorescent probes, which could expand the application of carbon nanomaterials in designing related biosensors.
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Affiliation(s)
- Yuliang Jiang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University , Nanjing 210023, P. R. China
| | - Zhaoyin Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University , Nanjing 210023, P. R. China
| | - Zhihui Dai
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University , Nanjing 210023, P. R. China
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33
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Zhang Y, Hu L, Sun Y, Zhu C, Li R, Liu N, Huang H, Liu Y, Huang C, Kang Z. One-step synthesis of chiral carbon quantum dots and their enantioselective recognition. RSC Adv 2016. [DOI: 10.1039/c6ra12420h] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Chiral carbon quantum dots (l-carbon quantum dots, l-CQDs; and d-carbon quantum dots, d-CQDs) were synthesized through the facile hydrothermal treatment of carbonated citric acid and l-cysteine (or d-cysteine).
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34
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Wang X, Shen X, Li B, Jiang G, Zhou X, Jiang H. One-step facile synthesis of novel β-amino alcohol functionalized carbon dots for the fabrication of a selective copper ion sensing interface based on the biuret reaction. RSC Adv 2016. [DOI: 10.1039/c5ra24348c] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The detection strategy of β-amino alcohol functionalized carbon dots for Cu2+ based on the biuret reaction.
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Affiliation(s)
- Xi Wang
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- P. R. China
| | - Xin Shen
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- P. R. China
| | - Bingzhi Li
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- P. R. China
| | - Guoyi Jiang
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- P. R. China
| | - Xuemin Zhou
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- P. R. China
| | - Huijun Jiang
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- P. R. China
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35
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Shi L, Li Y, Li X, Zhao B, Wen X, Zhang G, Dong C, Shuang S. Controllable synthesis of green and blue fluorescent carbon nanodots for pH and Cu(2+) sensing in living cells. Biosens Bioelectron 2015; 77:598-602. [PMID: 26485174 DOI: 10.1016/j.bios.2015.10.031] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 10/08/2015] [Accepted: 10/09/2015] [Indexed: 12/23/2022]
Abstract
We report a controllable strategy for fabrication of green and blue fluorescent carbon nanodots (CDs), and demonstrate their applications for pH and Cu(2+) sensing in living cells. Green and blue fluorescent CDs have been synthesized by hydrothermal method and pyrolysis of leeks, respectively, providing an easy way for the production of CDs without the request of tedious synthetic methodology or the use of toxic/expensive solvents and starting materials. Green fluorescent CDs (G-CDs) exhibit high tolerance to pH values and external cations. Blue fluorescent CDs (B-CDs) can be applied to pH and Cu(2+) sensing. The linear range of Cu(2+) detection is 0.01-10.00 μM and the detection limit is 0.05 μM. For pH detection, there is a good linearity in the pH range of 3.5-10.0. The linear and rapid response of B-CDs to Cu(2+) and pH is valuable for Cu(2+) and pH sensing in living cells. Confocal fluorescent imaging of human cervical carcinoma cells indicates that B-CDs could visualize Cu(2+) and pH fluctuations in living cells with negligible autofluorescence.
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Affiliation(s)
- Lihong Shi
- College of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Yanyan Li
- College of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Xiaofeng Li
- Taiyuan University, Environmental Engineering Department, Taiyuan 030032, PR China
| | - Bo Zhao
- College of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Xiangping Wen
- College of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Guomei Zhang
- College of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Chuan Dong
- College of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Shaomin Shuang
- College of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
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36
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Jeong CJ, Lee G, In I, Park SY. Concentration-mediated multicolor fluorescence polymer carbon dots. LUMINESCENCE 2015; 31:897-904. [DOI: 10.1002/bio.3050] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 09/16/2015] [Accepted: 09/17/2015] [Indexed: 01/06/2023]
Affiliation(s)
- Chan Jin Jeong
- Department of IT Convergence; Korea National University of Transportation; Chungju Republic of Korea
| | - Gibaek Lee
- Department of Chemical and Biological Engineering; Korea National University of Transportation; Chungju Republic of Korea
| | - Insik In
- Department of IT Convergence; Korea National University of Transportation; Chungju Republic of Korea
- Department of Polymer Science and Engineering; Korea National University of Transportation; Chungju Republic of Korea
| | - Sung Young Park
- Department of IT Convergence; Korea National University of Transportation; Chungju Republic of Korea
- Department of Chemical and Biological Engineering; Korea National University of Transportation; Chungju Republic of Korea
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37
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Wang H, Yi J, Velado D, Yu Y, Zhou S. Immobilization of Carbon Dots in Molecularly Imprinted Microgels for Optical Sensing of Glucose at Physiological pH. ACS APPLIED MATERIALS & INTERFACES 2015; 7:15735-45. [PMID: 26148139 DOI: 10.1021/acsami.5b04744] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Nanosized carbon dots (CDs) are emerging as superior fluorophores for biosensing and a bioimaging agent with excellent photostability, chemical inertness, and marginal cytotoxicity. This paper reports a facile one-pot strategy to immobilize the biocompatible and fluorescent CDs (∼6 nm) into the glucose-imprinted poly(N-isopropylacrylamide-acrylamide-vinylphenylboronic acid) [poly(NIPAM-AAm-VPBA)] copolymer microgels for continuous optical glucose detection. The CDs designed with surface hydroxyl/carboxyl groups can form complexes with the AAm comonomers via hydrogen bonds and, thus, can be easily immobilized into the gel network during the polymerization reaction. The resultant glucose-imprinted hybrid microgels can reversibly swell and shrink in response to the variation of surrounding glucose concentration and correspondingly quench and recover the fluorescence signals of the embedded CDs, converting biochemical signals to optical signals. The highly imprinted hybrid microgels demonstrate much higher sensitivity and selectivity for glucose detection than the nonimprinted hybrid microgels over a clinically relevant range of 0-30 mM at physiological pH and benefited from the synergistic effects of the glucose molecular contour and the geometrical constraint of the binding sites dictated by the glucose imprinting process. The highly stable immobilization of CDs in the gel networks provides the hybrid microgels with excellent optical signal reproducibility after five repeated cycles of addition and dialysis removal of glucose in the bathing medium. In addition, the hybrid microgels show no effect on the cell viability in the tested concentration range of 25-100 μg/mL. The glucose-imprinted poly(NIPAM-AAm-VPBA)-CDs hybrid microgels demonstrate a great promise for a new glucose sensor that can continuously monitor glucose level change.
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Affiliation(s)
- Hui Wang
- Department of Chemistry of The College of Staten Island, The City University of New York, Staten Island, 10314 New York, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, 10016 New York, United States
| | - Jinhui Yi
- Department of Chemistry of The College of Staten Island, The City University of New York, Staten Island, 10314 New York, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, 10016 New York, United States
| | - David Velado
- Department of Chemistry of The College of Staten Island, The City University of New York, Staten Island, 10314 New York, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, 10016 New York, United States
| | - Yanyan Yu
- Department of Chemistry of The College of Staten Island, The City University of New York, Staten Island, 10314 New York, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, 10016 New York, United States
| | - Shuiqin Zhou
- Department of Chemistry of The College of Staten Island, The City University of New York, Staten Island, 10314 New York, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, 10016 New York, United States
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38
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Karfa P, Roy E, Patra S, Kumar S, Tarafdar A, Madhuri R, Sharma PK. Retracted Article: Amino acid derived highly luminescent, heteroatom-doped carbon dots for label-free detection of Cd2+/Fe3+, cell imaging and enhanced antibacterial activity. RSC Adv 2015. [DOI: 10.1039/c5ra09525e] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Highly fluorescent carbon dots derived from amino acid showing multifunctional behavior: photocatalytic activity, cell imaging, heavy metal ions sensing and antibacterial property.
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Affiliation(s)
- Paramita Karfa
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Ekta Roy
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Santanu Patra
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Sunil Kumar
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Abhrajyoti Tarafdar
- Department of Environmental Science and Engineering
- Indian School of Mines
- Dhanbad
- India
| | - Rashmi Madhuri
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Prashant K. Sharma
- Functional Nanomaterials Research Laboratory
- Department of Applied Physics
- Indian School of Mines
- Dhanbad
- India
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