1
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Peng B, He X, Wang C, Du F, Zhou M, Zhao S, Fang Y. Ratio-fluorescence detection of tert-butylhydroquinone based on non-conjugated polymer dots and gold nanoclusters. Food Chem 2024; 444:138624. [PMID: 38354655 DOI: 10.1016/j.foodchem.2024.138624] [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: 11/16/2023] [Revised: 01/17/2024] [Accepted: 01/28/2024] [Indexed: 02/16/2024]
Abstract
A novel ratiometric fluorescent probe based on non-conjugated polymer dots (NCPDs) and gold nanocluster (AuNCs) was constructed to determine tert-butylhydroquinone (TBHQ). The probe exhibited dual emission peaks at 480 nm and 630 nm under 370 nm excitation. The fluorescence of AuNCs was quenched by TBHQ due to strong electrostatic interactions, whereas the emission of NCPDs increased. The ratio of fluorescence intensity at 480 nm to 630 nm (F480 / F630) was monitored as analytical signal response. The probe have been utilized for the detection of TBHQ with good linear relationship in the range of 0.2 to 60 μg/mL. The limit of detection (LOD) and the limit of quantitation (LOQ) were 0.048 μg/mL and 0.159 μg/L, respectively. Three levels of spiked-in TBHQ concentrations were obtained with recovery rates from 80 % to 102 %. The present study provided an effective ratiometric fluorescence method for selective screening of TBHQ in food samples.
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Affiliation(s)
- Bo Peng
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China.
| | - Xueyan He
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Chunjuan Wang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Fengxiang Du
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Min Zhou
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Shengguo Zhao
- Lanzhou Customs District P. R. China, Lanzhou 730070, PR China.
| | - Yanjun Fang
- Tianjin Institute of Environment and Operational Medicine, the Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin 300050, PR China.
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2
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Fan J, Zhu R, Han W, Han H, Ding L. A multi-wavelength cross-reactive fluorescent sensor ensemble for fingerprinting flavonoids in serum and urine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 310:123893. [PMID: 38290284 DOI: 10.1016/j.saa.2024.123893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/03/2024] [Accepted: 01/13/2024] [Indexed: 02/01/2024]
Abstract
Flavonoids are a kind of natural polyphenols which are closely related to human health, and the identification of flavonoids with similar structures is an important but difficult issue. We herein easily constructed a powerful fluorescent sensor ensemble by using surfactant cetyltrimethylammoniumbromide (CTAB) encapsulating two commercially available fluorescent probes (F1 and F2) with multi-wavelength emission. Fluorescence measurements illustrate the present sensor ensemble exhibits turn-off responses to flavones and flavonols but ratiometric responses to isoflavones, owing to different FRET processes. The heat map and linear discriminant analysis (LDA) results show that this single sensor can effectively distinguish 6 flavonoids belong to three subgroups by collecting the fluorescence variation at four typical wavelengths. Moreover, it can be applied to identify different flavonoids even in biofluids like serum and urine, providing potential practical application.
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Affiliation(s)
- Junmei Fan
- College of Chemistry and Materials, Taiyuan Normal University, Jinzhong 030619, PR China.
| | - Ruitao Zhu
- College of Chemistry and Materials, Taiyuan Normal University, Jinzhong 030619, PR China
| | - Wei Han
- College of Chemistry and Materials, Taiyuan Normal University, Jinzhong 030619, PR China
| | - Hongfei Han
- College of Chemistry and Materials, Taiyuan Normal University, Jinzhong 030619, PR China.
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, PR China
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3
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Gao J, Wang D, Chen Y, Urujeni GI, Tang X, Lu Z, Wang Y, He H, Xiao D, Dramou P. Portable paper-based probe for on-site ratiometric fluorescence determination of total flavonol glycosides in plant extract using smartphone imaging. Mikrochim Acta 2024; 191:70. [PMID: 38165510 DOI: 10.1007/s00604-023-06166-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
A smartphone-assisted, paper-based ratio fluorescence probe is presented for the rapid, low-cost and on-site quantification of total flavonol glycosides in Ginkgo biloba extracts (GBE). The Al3+/Eu-MOF/paper-based probe utilizes lanthanide metal-organic framework (Ln-MOF) nanoparticles immobilized on Whatman filter paper along with Al3+ for detecting flavonols, which are the hydrolyzed products of flavonol glycosides. The color change of the paper-based fluorescence image from red to orange depends on the concentration of the target analyte in the sample solution. The smartphone equipped with a red, green, blue (RGB) color detector measured the fluorescence signal intensity on the paper substrate after adding flavonol. The analytical variables affecting the performance of the probe, including the addition sequence of the aluminum nitrate solution, its concentration, that of the Ln-MOF solution, the drying time of the paper probe, the reaction time and the sensitivity parameters of the mobile phone camera (ISO), were optimized. Under optimal conditions, the Al3+/Eu-MOF/paper-based probe has good linear response in the concentration range 7 ~ 80 µg mL- 1 and a lower detection limit of 2.07 µg mL- 1. The results obtained with the paper-based ratio fluorescence probe and smartphone combination were validated by comparing them with high-performance liquid chromatography (HPLC) measurements. This study provides a potential strategy for fabricating Al3+/Eu-MOF/paper-based probe used for total flavonol glycosides determination.
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Affiliation(s)
- Jie Gao
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
| | - Dan Wang
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
| | - Yue Chen
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
| | - Gisèle Ineza Urujeni
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
| | - Xue Tang
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
| | - Ziwei Lu
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
| | - Yaoyao Wang
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
| | - Hua He
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, Nanjing, 210009, China
- Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing, 211198, China
| | - Deli Xiao
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China.
- Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, Nanjing, 210009, China.
- Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing, 211198, China.
| | - Pierre Dramou
- Department of Analytical Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China.
- Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, Nanjing, 210009, China.
- Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing, 211198, China.
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Sahoo K, Gazi TR, Roy S, Chakraborty I. Nanohybrids of atomically precise metal nanoclusters. Commun Chem 2023; 6:157. [PMID: 37495665 PMCID: PMC10372104 DOI: 10.1038/s42004-023-00958-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 07/13/2023] [Indexed: 07/28/2023] Open
Abstract
Atomically precise metal nanoclusters (NCs) with molecule-like structures are emerging nanomaterials with fascinating chemical and physical properties. Photoluminescence (PL), catalysis, sensing, etc., are some of the most intriguing and promising properties of NCs, making the metal NCs potentially beneficial in different applications. However, long-term instability under ambient conditions is often considered the primary barrier to translational research in the relevant application fields. Creating nanohybrids between such atomically precise NCs and other stable nanomaterials (0, 1, 2, or 3D) can help expand their applicability. Many such recently reported nanohybrids have gained promising attention as a new class of materials in the application field, exhibiting better stability and exciting properties of interest. This perspective highlights such nanohybrids and briefly explains their exciting properties. These hybrids are categorized based on the interactions between the NCs and other materials, such as metal-ligand covalent interactions, hydrogen-bonding, host-guest, hydrophobic, and electrostatic interactions during the formation of nanohybrids. This perspective will also capture some of the new possibilities with such nanohybrids.
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Affiliation(s)
- Koustav Sahoo
- School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Tapu Raihan Gazi
- School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Soumyadip Roy
- School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Indranath Chakraborty
- School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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5
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Liu X, Wang P, Hu K, Li L, Yang C, Chen Z, Zeng H, Zhang Z. Dispersive solid-phase extraction of alkaloids and polyphenols using borate hypercrosslinked polymers. J Sep Sci 2023:e2300131. [PMID: 37246279 DOI: 10.1002/jssc.202300131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 05/12/2023] [Accepted: 05/16/2023] [Indexed: 05/30/2023]
Abstract
In this study, a borate hyper-crosslinked polymer was synthesized by crosslinking 1-naphthalene boric acid and dimethoxymethane via the Friedel-Crafts reaction. The prepared polymer exhibits excellent adsorption performance toward alkaloids and polyphenols with maximum adsorption capacities ranging from 25.07 to 39.60 mg/g. Adsorption kinetics and isotherms model results indicated the adsorption was a monolayer and chemical process. Under the optimal extraction conditions, a sensitive method was established for the simultaneous quantification of alkaloids and polyphenols in green tea and Coptis chinensis by coupling with the proposed sorbent and ultra-high performance liquid chromatography detection. The proposed method exhibited a wide linear range of 5.0-5000.0 ng/ml with R2 ≥ 0.99, a low limit of detection (0.66-11.25 ng/ml), and satisfactory recoveries (81.2%-117.4%). This work provides a simple and convenient candidate for the sensitive determination of alkaloids and polyphenols in green tea and complex herbal products.
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Affiliation(s)
- Xiaobing Liu
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
| | - Pan Wang
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
| | - Kai Hu
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
| | - Lixin Li
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
| | - Cheng Yang
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
| | - Zhihong Chen
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
| | - Huahui Zeng
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
| | - Zhenqiang Zhang
- Henan University of Chinese Medicine, Zhengzhou, P. R. China
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6
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Inoue Y, Ishizawa M, Itakura S, Tanikawa T, Todo H. Verification of nanoparticle formation, skin permeation, and apoptosis using nobiletin as a methoxyflavonoid derivative. AAPS OPEN 2022. [DOI: 10.1186/s41120-022-00065-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Abstract
Purpose
Nobiletin (NOB), a polymethoxyflavonoid, is known for its antioxidant and anti-inflammatory effects and has antitumor activity. However, its poor solubility and low bioavailability pose a significant challenge in its delivery. In this experiment, NOB was added to Soluplus® (Sol)/l-ascorbyl 2,6-dipalmitate (ASC-DP) as a ternary system, and Sol/ASC-DP/NOB nanoparticles were obtained using the hydration method. The purpose of this study was to enhance the solubility of NOB, apply it for skin permeation, and improve antitumor activity.
Methods
The preparation of Sol/ASC-DP/NOB nanoparticles was attempted using the hydration method, and particle size, zeta potential, and stability tests were performed to evaluate the formation of nanoparticles. 1H-1H NOESY/ROESY NMR spectral measurements were also performed to identify molecular interaction between NOB and Sol/ASC-DP. To evaluate its functionality, DPPH radical scavenging, skin permeation, fluorescence microscopy, and cell viability analyses were performed.
Results
The particles were approximately 100 nm in size in the ternary system (weight ratio (Sol/ASCDP/NOB=8/1/1)) and were relatively stable for approximately 7 days at 25 °C under light-shielded conditions. From the NMR spectrum measurements of Sol/ASCDP/NOB, a cross-peak was observed between the –OCH3 group: C6,8 (3.8 ppm) derived from NOB, the methyl group (2.0 ppm) derived from Sol, and the side chain portion (1.2 ppm) derived from ASC-DP. Cross-peaks were observed between the polyethylene glycol (PEG) backbone of Sol (3.6 ppm) and the side chain of ASC-DP (0.8–1.2 ppm). The formation of Sol/ASC-DP/NOB nanoparticles facilitated its skin permeation, and fluorescence microscopy confirmed improved permeation. The DPPH radical scavenging test revealed that Sol/ASC-DP/NOB had an IC50 of 46.7 μg/mL. Cell viability assays showed a 20–40% decrease in cell viability with the addition of Sol/ASC-DP/NOB at 0.1 mg/mL.
Conclusion
Sol/ASC-DP/NOB nanoparticles were successfully prepared, and these were found to inhibit melanin formation and have antitumor activity.
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Fabijanić I, Jurković M, Jakšić D, Piantanida I. Photoluminescent Gold/BSA Nanoclusters (AuNC@BSA) as Sensors for Red-Fluorescence Detection of Mycotoxins. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8448. [PMID: 36499945 PMCID: PMC9740986 DOI: 10.3390/ma15238448] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/18/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
The BSA-encapsulated gold nanoclusters (AuNC@BSA) have drawn considerable interest and demonstrated applications as biological sensors. In this study, we demonstrated that the red-emitting AuNC@BSA prepared using a modified procedure fully retained the binding of standard BSA-ligands (small molecule drugs), significantly improving fluorescence detection in some cases due to the red-emission property. Further, we showed that AuNC@BSA efficiently bind a series of aflatoxin-related mycotoxins as well as the aliphatic mycotoxin FB1, reporting interactions in the nanomolar range by instantaneous emission change at 680 nm. Such red emission detection is advantageous over current detection strategies for the same mycotoxins, based on complex mass spectrometry procedures or, eventually (upon chemical modification of the mycotoxin), by fluorescence detection in the UV range (<400 nm). The later technique yields fluorescence strongly overlapping with the intrinsic absorption and emission of biorelevant mixtures in which mycotoxins appear. Thus, here we present a new approach using the AuNC@BSA red fluorescence reporter for mycotoxins as a fast, cheap, and simple detection technique that offers significant advantages over currently available methods.
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Affiliation(s)
- Ivana Fabijanić
- Division of Organic Chemistry and Biochemistry, Laboratory for Biomolecular Interactions and Spectroscopy, Ruđer Bošković Institute, 10002 Zagreb, Croatia
| | - Marta Jurković
- Division of Organic Chemistry and Biochemistry, Laboratory for Biomolecular Interactions and Spectroscopy, Ruđer Bošković Institute, 10002 Zagreb, Croatia
| | - Daniela Jakšić
- Department of Microbiology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Ivo Piantanida
- Division of Organic Chemistry and Biochemistry, Laboratory for Biomolecular Interactions and Spectroscopy, Ruđer Bošković Institute, 10002 Zagreb, Croatia
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8
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Lopes RC, Rocha BG, Maçôas EM, Marques EF, Martinho JM. Combining metal nanoclusters and carbon nanomaterials: Opportunities and challenges in advanced nanohybrids. Adv Colloid Interface Sci 2022; 304:102667. [PMID: 35462268 DOI: 10.1016/j.cis.2022.102667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/06/2022] [Accepted: 04/06/2022] [Indexed: 12/11/2022]
Abstract
The development of functional materials with uniquely advanced properties lies at the core of nanoscience and nanotechnology. From the myriad possible combinations of organic and/or inorganic blocks, hybrids combining metal nanoclusters and carbon nanomaterials have emerged as highly attractive colloidal materials for imaging, sensing (optical and electrochemical) and catalysis, among other applications. While the metal nanoclusters provide extraordinary luminescent and electronic properties, the carbon nanomaterials (of zero, one or two dimensions) convey versatility, as well as unique interfacial, electronic, thermal, optical, and mechanical properties, which altogether can be put to use for the desired application. Herein, we present an overview of the field, for experts and non-experts, encompassing the basic properties of the building blocks, a systematic view of the chemical preparation routes and physicochemical properties of the hybrids, and a critical analysis of their ongoing and emerging applications. Challenges and opportunities, including directions towards green chemistry approaches, are also discussed.
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Mohandoss S, Palanisamy S, You S, Lee YR. Synthesis of cyclodextrin functionalized photoluminescent metal nanoclusters for chemoselective Fe3+ ion detection in aqueous medium and its applications of paper sensors and cell imaging. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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10
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Toxicological evaluation of fluorescent 11-mercaptoundecanoic gold nanoclusters as promising label-free bioimaging probes in different cancer cell lines. Toxicol In Vitro 2021; 73:105140. [PMID: 33705896 DOI: 10.1016/j.tiv.2021.105140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/05/2021] [Indexed: 01/06/2023]
Abstract
Due to advancement in nanomaterials and increasing use of functionalized gold nanoclusters (AuNCs) in different biomedical applications, better understanding of their potential cytotoxicity is necessary. Interactions of ultra-small fluorescent AuNCs with mammalian cells remains up to this day poorly understood, therefore, cytotoxic evaluation of thoroughly characterized ca. 2.5 nm spherical water-soluble 11-mercaptoundecanoic acid coated AuNCs (AuNC@M) with diverse fluorescent properties in variety of mammalian cancer cell lines was performed. Cell viability was assessed by traditional MTT assay and xCELLigence real time cell analyzer. Cell apoptosis was evaluated via an Annexin V-FITC/propidium iodide (PI) assay. Confocal fluorescence imaging confirmed that tested AuNC@M entered live cells and were homogeneously distributed in their cytoplasm. The results suggested that the cytotoxicity of tested nanoclusters was very low, or near the control level at concentrations 0.1 and 0.5 mg/mL in the cell lines after 24 h exposition. The purity of tested AuNC@M had no relevant effect on cell viability and no differences were observed after 24 h in our study. The low toxicity toward cancer cells further strengthens our view that AuNC@M are promising label-free fluorescent probes for bio-labelling and bio-imaging, or they can even serve as platforms for antitumor drug delivery systems.
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Khataee A, Jalili R, Dastborhan M, Karimi A, Ebadi Fard Azar A. Ratiometric visual detection of tetracycline residues in milk by framework-enhanced fluorescence of gold and copper nanoclusters. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 242:118715. [PMID: 32731145 DOI: 10.1016/j.saa.2020.118715] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 06/01/2020] [Accepted: 07/04/2020] [Indexed: 06/11/2023]
Abstract
We reported a novel dual-emission fluorescence probe fabricated by encapsulating both gold (AuNCs) and copper nanoclusters (CuNCs) into zeolitic imidazolate framework-8 (ZIF-8). Obtained composite (AuCuNCs@MOF) was utilized for ratiometric determination of Tetracycline (Tcy) antibiotic. Under excitation at 400 nm, the AuCuNCs@MOF composite displayed two emission peaks at 520 and 650 nm which were originated from AuNCs and CuNCs, respectively. Upon the addition of Tcy, the red emission intensity of the nanoparticles at 615 nm was significantly decreased, while the green emission at 520 nm stayed almost constant which resulted in a clear fluorescence color change from red to green under a UV lamp. The logarithm of the fluorescence ratio against the concentration of Tcy exhibited a satisfactory linear relationship from 20 to 650 nM with a detection limit (LOD) of 4.8 nM. Current probe was applied for Tcy quantification in milk samples with superior results.
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Affiliation(s)
- Alireza Khataee
- Health Promotion Research Center, Iran University of Medical Sciences, 14496-14535 Tehran, Iran; Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran.
| | - Roghayeh Jalili
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran
| | - Mahsa Dastborhan
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran
| | - Afzal Karimi
- Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, 14496-14535 Tehran, Iran
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12
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Qian J, Kai G. Application of micro/nanomaterials in adsorption and sensing of active ingredients in traditional Chinese medicine. J Pharm Biomed Anal 2020; 190:113548. [PMID: 32861928 DOI: 10.1016/j.jpba.2020.113548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/01/2020] [Accepted: 08/06/2020] [Indexed: 12/17/2022]
Abstract
Traditional Chinese medicine (TCM) has been widely applied for the prevention and cure of various diseases for centuries. Ingredient with pharmacological activity is the key to the application of TCM. Hence, it is of significance to separate and detect active ingredients in TCM effectively. Micro/nanomaterial is the promising candidate for adsorption and sensing due to its unique physical and chemical properties. For years, many efforts have been made to develop functional micro/nanomaterials to realize the effective adsorption or sensing of bioactive compounds in TCM. In this review, we discussed recent progresses in the application of various functional micro/nanomaterials for adsorption or detection (electrochemical detection, fluorescent detection, and colorimetric detection) of active ingredients. Based on the kind of matrix materials, micro/nano-adsorbents or sensors can be classified into following categories: metal-based micro/nanomaterials, porous materials, carbon-based materials, graphene/graphite-liked micro/nanomaterials and hybrid micro/nanomaterials.
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Affiliation(s)
- Jun Qian
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 311402, PR China
| | - Guoyin Kai
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 311402, PR China.
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El-Sayed N, Schneider M. Advances in biomedical and pharmaceutical applications of protein-stabilized gold nanoclusters. J Mater Chem B 2020; 8:8952-8971. [PMID: 32901648 DOI: 10.1039/d0tb01610a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
The interest in using gold nanoclusters (AuNCs) as imaging probes is growing, covering wide ranges of applications. The stabilization of AuNCs with protein ligands enhances their biomedical and pharmaceutical applications. This is due to the biocompatibility, water solubility and bioactivity of proteins. Different factors can control the optical properties of AuNCs such as protein size, amino acids content and conformational structure. Controlling the synthesis conditions can result in tuning the AuNCs excitation, emission, fluorescence intensity and physicochemical properties to fulfill different applications. NIR-emitting protein-stabilized AuNCs are promising as imaging agents for targeting and visualization of cancer in vitro and in vivo. They are promising to be included as an important part of multifunctional theranostic nanosystems, due to their potential dual functions as imaging and photosensitizing agent for photodynamic therapy. Additionally, the protein around AuNCs represents a rich environment of active functional groups that are susceptible for conjugation with various biomolecules. Protein-AuNCs can act as fluorescent probes for rapid and selective analysis of different analytes in solution, cells or biological fluids. In conclusion, the variability of protein-AuNC applications can advance research in different biomedical and pharmaceutical fields.
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Affiliation(s)
- Nesma El-Sayed
- Department of Pharmacy, Biopharmaceutics and Pharmaceutical Technology, Saarland University, Campus C4 1, D-66123 Saarbrücken, Germany. and Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, 21521 Alexandria, Egypt.
| | - Marc Schneider
- Department of Pharmacy, Biopharmaceutics and Pharmaceutical Technology, Saarland University, Campus C4 1, D-66123 Saarbrücken, Germany.
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14
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Forzato C, Vida V, Berti F. Biosensors and Sensing Systems for Rapid Analysis of Phenolic Compounds from Plants: A Comprehensive Review. BIOSENSORS 2020; 10:E105. [PMID: 32846992 PMCID: PMC7557957 DOI: 10.3390/bios10090105] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/18/2020] [Accepted: 08/21/2020] [Indexed: 01/18/2023]
Abstract
Phenolic compounds are secondary metabolites frequently found in plants that exhibit many different effects on human health. Because of the relevant bioactivity, their identification and quantification in agro-food matrices as well as in biological samples are a fundamental issue in the field of quality control of food and food supplements, and clinical analysis. In this review, a critical selection of sensors and biosensors for rapid and selective detection of phenolic compounds is discussed. Sensors based on electrochemistry, photoelectrochemistry, fluorescence, and colorimetry are discussed including devices with or without specific recognition elements, such as biomolecules, enzymes and molecularly imprinted materials. Systems that have been tested on real matrices are prevalently considered but also techniques that show potential development in the field.
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Affiliation(s)
| | | | - Federico Berti
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Trieste, via Giorgieri 1, 34127 Trieste, Italy; (C.F.); (V.V.)
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15
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Guo Y, Amunyela HTNN, Cheng Y, Xie Y, Yu H, Yao W, Li HW, Qian H. Natural protein-templated fluorescent gold nanoclusters: Syntheses and applications. Food Chem 2020; 335:127657. [PMID: 32738539 DOI: 10.1016/j.foodchem.2020.127657] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 07/01/2020] [Accepted: 07/21/2020] [Indexed: 12/19/2022]
Abstract
For the past decades, the synthesis of metal nanoclusters has been a great interest for research, for their unique physicochemical properties and great contributions to the catalytic, electrical and biomedical applications. Protein-templated gold nanoclusters (AuNCs) is a kind of fluorescent nanomaterials with good solubility, excellent stability, biocompatibility, decent quantum yields and active groups (-COOH, -NH2) for facilitating modifications. Natural proteins are easily available, commercially affordable, diverse and multitudinous in animals, plants and foods, which provide a template pool for the exploration of AuNCs. This is one of the few reviews of specifically focusing on the natural protein-templated fluorescent AuNCs. The syntheses, properties and applications of different AuNCs were enumerated. Prospects were given on utilizing structure-modified proteins, bioactive enzymes, antibodies which should endow the AuNCs more favourable fluorescence performances and functional characteristics. The applications of AuNCs in analytical, biomedical and food sciences would be further heightened.
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Affiliation(s)
- Yahui Guo
- State Key Laboratory of Food Science and Technology, National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Helena T N N Amunyela
- State Key Laboratory of Food Science and Technology, National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yuliang Cheng
- State Key Laboratory of Food Science and Technology, National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hang Yu
- State Key Laboratory of Food Science and Technology, National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hung-Wing Li
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
| | - He Qian
- State Key Laboratory of Food Science and Technology, National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
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16
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Liu X, Yang J, Li Q, Wang Y, Wang Y, Li G, Shi J, Ding P, Guo J, Deng R, Zhang G. A strip test for the optical determination of influenza virus H3 subtype using gold nanoparticle coated polystyrene latex microspheres. Mikrochim Acta 2020; 187:306. [PMID: 32356232 DOI: 10.1007/s00604-020-04255-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 03/31/2020] [Indexed: 12/12/2022]
Abstract
A strip test is described for the optical determination of influenza virus H3 subtype. It utilizes gold nanoparticle (AuNP) coated polystyrene latex microspheres (PS) as the label and a sandwich format. The AuNP and PS particles were linked using monoclonal antibodies against influenza virus as the bridge. Under the optimal conditions, the visual detection limit of the AuNP-PS-based strip test was as low as 1/16 hemagglutination unit (HAU). It was 64 times higher than that of 10 nm (4 HAU) AuNP-based strip tests. Quantitative analysis showed that the detection limit of the AuNP-PS-based strip is 0.016 HAU. The AuNP-PS-based strip test showed no cross-reactivity to the other subtypes (H1, H5, H7, or H9) of influenza viruses. Graphical abstract .
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Affiliation(s)
- Xiao Liu
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
- Department of Medicine, Henan Medical College, Zhengzhou, 451191, China
| | - Jifei Yang
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Qingmei Li
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Yinbiao Wang
- School of Public Health, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yanhong Wang
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Ge Li
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China
| | - Jianzhou Shi
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Peiyang Ding
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Junqing Guo
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Ruiguang Deng
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Gaiping Zhang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.
- Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China.
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17
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Ryavanaki L, Tsai H, Fuh CB. Microwave Synthesis of Gold Nanoclusters with Garlic Extract Modifications for the Simple and Sensitive Detection of Lead Ions. NANOMATERIALS 2020; 10:nano10010094. [PMID: 31906583 PMCID: PMC7023150 DOI: 10.3390/nano10010094] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 12/30/2019] [Accepted: 12/31/2019] [Indexed: 12/19/2022]
Abstract
Novel bovine serum albumin (BSA)-gold nanoclusters with garlic extract modifications (mw_G-BSA-AuNCs) were prepared through microwave-assisted rapid synthesis. The modified nanoclusters were characterized and used for the simple and sensitive detection of Pb2+ ions. Both turn-on and turn-off methods were used and compared for Pb2+ ion detection. For Pb2+ ions, the preparation time for the modified nanoclusters was 10 min, and the detection time for the nanoclusters was 6 min. The modified nanoclusters were stable, and their fluorescence intensities changed by less than 10% in 60 days. The detection limit and linear range for the “off-on” method of mw_G-BSA-AuNCs for Pb2+ ion detection were 0.28 and 1–20 nM, respectively. The recoveries of the mw_G-BSA-AuNCs probe used for the detection of the Pb(II) ion in tap water ranged from 93.8% to 102.2%, with an average of 97.1%. The “off-on” method of mw_G-BSA-AuNCs can provide a lower detection limit, higher selectivity, and better recovery than the commonly used “turn-off” methods of mw_BSA-AuNCs for Pb2+ ion detection. The proposed method is superior to other methods proposed from 2018 to 2019 because it can provide a shorter preparation time and a lower detection limit with good selectivity. The microwave-assisted novel compound, mw_G-BSA-AuNCs, can be rapidly synthesized in a green manner and can provide a low detection limit, good selectivity, and a simple and fast reaction for Pb2+ ion detection.
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Affiliation(s)
- Lingaraj Ryavanaki
- Department of Applied Chemistry, National Chi Nan University, Nantou 545, Taiwan;
| | - Hweiyan Tsai
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung 402, Taiwan
- Department of Medical Education, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Correspondence: (H.T.); (C.B.F.); Tel.: +886-49-2919-779 (C.B.F.)
| | - C. Bor Fuh
- Department of Applied Chemistry, National Chi Nan University, Nantou 545, Taiwan;
- Correspondence: (H.T.); (C.B.F.); Tel.: +886-49-2919-779 (C.B.F.)
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18
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Liu JL, Xu CL, Yang T, Hu ZR, Zhang ZQ, Feng GD. Developed a novel sensor based on fluorescent graft conjugated polymer for the determination of aristolochic acid in traditional Chinese medicine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 222:117239. [PMID: 31202031 DOI: 10.1016/j.saa.2019.117239] [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] [Received: 02/09/2019] [Revised: 06/05/2019] [Accepted: 06/05/2019] [Indexed: 06/09/2023]
Abstract
A novel fluorescent graft conjugated polymer (poly (2, 5-bis (Polyethylene glycol oxybutyrate)-1, 4-phenylethynylene-alt-1, 4-phenyleneethynylene, PPE-OB-PEG) has been designed and synthesized for the determination of aristolochic acid (AA). The detection conditions and detection characters of PPE-OB-PEG were systematically explored in this work. The fluorescence intensity of PPE-OB-PEG changes with the different concentration of AA. PPE-OB-PEG has a good linear range towards AA from 1.00 × 10-7 to 8.00 × 10-5 mol L-1 and the limit of detection (LOD) is 3.00 × 10-8 mol L-1 (S/N = 3). PPE-OB-PEG have been applied to detect AA in traditional Chinese medicine samples and the results are satisfactory. The experimental results show that PPE-OB-PEG can be used as a fluorescence probe for rapid and sensitive detection of AA.
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Affiliation(s)
- Ji-Lin Liu
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Chun-Ling Xu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Ting Yang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Zhi-Ru Hu
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Zhi-Quan Zhang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Guo-Dong Feng
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China.
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19
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Roniboss A, Shrinivas Dangate M, Rao RN, MM B, Chanda K. Environment dependent photophysical and fluorescence turn-off sensing properties of Fe(iii) by substituted phenyl isochromenopyrrol-5-ones. Photochem Photobiol Sci 2019; 18:2977-2988. [DOI: 10.1039/c9pp00303g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The proposed isochromenopyrrolones can serve as highly selective and sensitive sensors for iron(iii) in pharmaceutical, industrial and biological applications.
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Affiliation(s)
- A. Roniboss
- Chemistry Division
- School of Advanced Sciences
- Vellore Institute of Technology
- Chennai 600127
- India
| | | | - R. Nishanth Rao
- Department of Chemistry
- School of Advanced Sciences
- Vellore Institute of Technology
- Vellore-632014
- India
| | - Balamurali MM
- Chemistry Division
- School of Advanced Sciences
- Vellore Institute of Technology
- Chennai 600127
- India
| | - Kaushik Chanda
- Department of Chemistry
- School of Advanced Sciences
- Vellore Institute of Technology
- Vellore-632014
- India
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