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AlSalem HS, Alharbi SN, Al-Goul ST, Salman BI, Hassan YF, Abdel-Lateef MA. Design of new boron-doped carbon dots for nano-level assay of nebivolol in human plasma and commercial products; Application to greenness assessments. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 318:124470. [PMID: 38761476 DOI: 10.1016/j.saa.2024.124470] [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: 04/04/2024] [Revised: 05/06/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
Recently, nanomaterials have attracted a lot of attention due to their potential as effective fluorescent nano-sensor probes. They were distinguishing substitutes for other luminescent techniques, such as fluorescent dyes and luminous derivatization, because of their affordability, environmental friendliness, and special photocatalytic properties. In the suggested work, a straightforward method was used to create boron and nitrogen carbon dots (B@CDs) with a good quantum yield value of 31.15 % utilizing boric acid and di-sodium EDTA. For the purpose of characterizing QDs, a variety of instruments were employed, such as transmission electron microscopy, fluorescence spectroscopy, X-ray FTIR, and UV-VIS spectroscopy. Nebivolol (NEB) is a cardiovascular medication used globally to treat congestive heart failure and hypertension, is in the meantime. For this reason, a brand-new, environmentally friendly analytical technique was created to determine the amount of human plasma, uniformity test, and commercial nebivolol (NEB) tablets. After gradually adding NEB, the response of B@CQDs was enhanced at 438 nm (excitation at 371 nm). The calibration graph ranged between 20 and 500 ng mL-1 with a quantification limit (LOQ) of 2.50 ng mL-1 and a detection limit (LOD) of 0.82 ng mL-1.
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Affiliation(s)
- Huda Salem AlSalem
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Sara Naif Alharbi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Soha Talal Al-Goul
- Department of Chemistry, College of Sciences & Arts, King Abdulaziz University, Rabigh, Saudi Arabia
| | - Baher I Salman
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Yasser F Hassan
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Mohamed A Abdel-Lateef
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt.
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2
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Xie C, Chen Y, Wang Y, Liu H, Sun B. Stable, porous, light-emitting post-modification covalent organic frameworks conjugated molecularly imprinted polymers for selective detection of pyrraline in salami products. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 318:124520. [PMID: 38796894 DOI: 10.1016/j.saa.2024.124520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/10/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
Molecular imprinting is one of the most frequently occurring post-modification in the preparation of covalent organic frameworks (COFs) to enhance selectivity and specificity. In this study, we prepared a 2D layer structure of methoxy-conjugated COFs with the modification of azide (4-azido-L-phenylalanine), named [4-ALP]0.17-COFs, which exhibited a large specific surface area of 827.6 m2/g, good stability of water, polar solvents, chemistry, and thermodynamics. Fluorescent COF nanosheets ([4-ALP]0.17-CONs) obtained by liquid-assisted ultrasonic stripping have excellent blue luminescence properties and ultra-high absolute fluorescence quantum yield of 33.34 %. The modifiable functional groups in the surface of [4-ALP]0.17-CONs interacted with the targets and functional monomers of molecularly imprinted polymers (MIPs) through hydrogen bonding interactions, to form the 3D holes with recognition sites. The quantitative detection of pyrraline (PRL) could be achieved in the concentration range of 0.05-4 μg/L with the LOD was 34.81 ng/L. The spiked recovery of PRL in meat products was 88.01-106.00 %. The [4-ALP]0.17-CONs@MIPs sensing system showed excellent stability, reliability, reusability, and practicability, promising its potential for targeted monitoring of trace molecules in real matrices.
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Affiliation(s)
- Chenchen Xie
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 11 Fucheng Road, Beijing 100048, China
| | - Yunhai Chen
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 11 Fucheng Road, Beijing 100048, China
| | - Yanbo Wang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 11 Fucheng Road, Beijing 100048, China
| | - Huilin Liu
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 11 Fucheng Road, Beijing 100048, China.
| | - Baoguo Sun
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 11 Fucheng Road, Beijing 100048, China
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3
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Pu Q, Wang C, Yin X, Ye N, Zhang L, Xiang Y. A ratiometric fluorescent dark box and smartphone integrated portable sensing platform based on hydrogen bonding induction for on-site determination of enrofloxacin. Food Chem 2024; 455:139876. [PMID: 38823143 DOI: 10.1016/j.foodchem.2024.139876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/15/2024] [Accepted: 05/27/2024] [Indexed: 06/03/2024]
Abstract
Enrofloxacin (ENR) residues in animal-derived food and water threaten human health. Simple, low-cost and on-site detection methods are urgently needed. Blue emitting carbon quantum dots (CQDs) and orange rhodamine B (RhB) were used as recognition and reference signals, respectively, to construct a ratiometric fluorescence sensor. After the addition of ENR, the color of the sensor changed from orange to blue because hydrogen bonding induced a considerable increase in CQDs fluorescence. Based on this mechanism, a simple and low cost on-site portable sensing platform was constructed, which integrated a stable UV light strip and a smartphone with voice-controlled phototaking function and an RGB app. The t-test results of spiked ENR recoveries for diluted milk, honey and drinking water revealed no significant differences between the ratiometric fluorescent sensor and portable sensing platform. Thus, this portable sensing platform provides a novel strategy for on-site quantification of quinolone antibiotics in foodstuffs and environmental water.
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Affiliation(s)
- Qi Pu
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Chumeng Wang
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Xinyue Yin
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Nengsheng Ye
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Lu Zhang
- Department of Chemistry, Capital Normal University, Beijing 100048, China.
| | - Yuhong Xiang
- Department of Chemistry, Capital Normal University, Beijing 100048, China.
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4
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Wang A, Wen Y, Zhu X, Zhou J, Chen Y, Liu H, Liang C, Liu E, Zhang Y, Ai G, Gaiping Z. Quantum dot-based fluorescence-linked immunosorbent assay for the rapid detection of lomefloxacin in animal-derived foods. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024; 41:513-524. [PMID: 38502862 DOI: 10.1080/19440049.2023.2267144] [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: 07/19/2023] [Accepted: 10/01/2023] [Indexed: 03/21/2024]
Abstract
Lomefloxacin (LMF), a third-generation fluoroquinolone antibacterial agent, is often used to treat bacterial and mycoplasma infections. However, due to its prolonged half-life and slow metabolism, it is prone to residues in animal-derived foods, posing a potential food safety risk. Therefore, it is particularly urgent and important to establish a method for detecting lomefloxacin. In this study, direct and indirect competitive fluorescence-linked immunosorbent assay (dc-FLISA and ic-FLISA) based on quantum dots (QDs) was established for the detection of LMF. As for dc-FLISA, the half-maximal inhibitory concentration (IC50) and limit of detection (LOD) were 0.84 ng/mL, 0.04 ng/mL, respectively, the detection ranges from 0.08 to 9.11 ng/mL. The IC50 and LOD of ic-FLISA were 0.43 ng/mL and 0.03 ng/mL, respectively, meanwhile the detection ranges from 0.05 to 3.49 ng/mL. The recoveries of dc-FLISA and ic-FLISA in animal-derived foods (milk, fish, chicken, and honey), ranged from 95.8% to 105.2% and from 96.3% to 103.4%, respectively, with the coefficients of variation less than 8%. These results suggest that the dc-FLISA and ic-FLISA methods, which are based on QD labelling, are highly sensitive and cost-effective, and can be effectively used to detect LMF in animal-derived foods.
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Affiliation(s)
- Aiping Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Yihong Wen
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Xifang Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Jingming Zhou
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Yumei Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Hongliang Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Chao Liang
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Enping Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Ying Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Guoping Ai
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
| | - Zhang Gaiping
- School of Life Sciences, Zhengzhou University, Zhengzhou, P.R. China
- Longhu Laboratory, Zhengzhou, P.R. China
- Henan Key Laboratory of Immunobiology, Zhengzhou, P.R. China
- School of Advanced Agricultural Sciences, Peking University, Beijing, P.R. China
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5
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Alhazzani K, Alanazi AZ, Mostafa AM, Barker J, El-Wekil MM, Ali AMBH. Selective fluorescence turn-on detection of combination cisplatin-etoposide chemotherapy based on N-CDs/GSH-CuNCs nanoprobe. RSC Adv 2024; 14:2380-2390. [PMID: 38213979 PMCID: PMC10783161 DOI: 10.1039/d3ra07844b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
Cisplatin (CIS) and etoposide (ETP) combination therapy is highly effective for treating various cancers. However, the potential for pharmacokinetic interactions between these drugs necessitates selective sensing methods to quantitate both CIS and ETP levels in patient's plasma. This work develops a dual fluorescence probe strategy using glutathione-capped copper nanoclusters (GSH-CuNCs) and nitrogen-doped carbon dots (N-CDs) for the simultaneous analysis of CIS and ETP. The fluorescence signal of GSH-CuNCs at 615 nm increased linearly with CIS concentration while the N-CD emission at 480 nm remained unaffected. Conversely, the N-CD fluorescence was selectively enhanced by ETP with no interference with the CuNC fluorescence. Extensive materials characterization including UV-vis, fluorescence spectroscopy, XRD, and TEM confirmed the synthesis of the nanoprobes. The sensor showed high sensitivity with limits of detection of 6.95 ng mL-1 for CIS and 7.63 ng mL-1 for ETP along with excellent selectivity against potential interferences in rabbit plasma. Method feasibility was demonstrated with application to real rabbit plasma samples. The method was further applied to estimate the pharmacokinetic parameters of CIS before and after ETP coadministration. The dual nanoprobe sensing strategy enables rapid and selective quantitation of CIS and ETP levels to facilitate therapeutic drug monitoring and optimization of combination chemotherapy regimens.
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Affiliation(s)
- Khalid Alhazzani
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University Riyadh Saudi Arabia
| | - Ahmed Z Alanazi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University Riyadh Saudi Arabia
| | - Aya M Mostafa
- School of Life Sciences, Pharmacy, and Chemistry, Kingston University Kingston-upon-Thames London KT1 2EE UK
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University Assiut Egypt
| | - James Barker
- School of Life Sciences, Pharmacy, and Chemistry, Kingston University Kingston-upon-Thames London KT1 2EE UK
| | - Mohamed M El-Wekil
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University Assiut Egypt
| | - Al-Montaser Bellah H Ali
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University Assiut Egypt
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6
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Mahmoud AM, Mahnashi MH, El-Wekil MM. Ratiometric fluorescence sensing of hazardous ciprofloxacin based on aggregation induced emission enhancement of thiolate-protected gold nanoclusters induced by La 3+ ion. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123347. [PMID: 37688885 DOI: 10.1016/j.saa.2023.123347] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/10/2023] [Accepted: 09/04/2023] [Indexed: 09/11/2023]
Abstract
In this research work, ultrasensitive and reliable ratiometric sensor was designed for assay of ciprofloxacin (CIPRO). The platform consists of thiolate-protected gold nanoclusters (GSH@AuNCs) with high fluorescence quantum yield and long-term stability. In the existence of lanthanum (La3+) ion, the GSH@AuNCs emission was sharply raised owing to the formation of La3+/GSH@AuNCs system accompanied with aggregation-induced emission enhancement (AIEE). Addition of CIPRO, a good La3+ ion coordinator, decreased the fluorescence emission of La3+/GSH@AuNCs system at 610 nm significantly as a result of disaggregation caused by the removal of La3+ ion from GSH@AuNCs surface. Furthermore, the blue emission of La3+-CIPRO coordination complex appears at 440 nm. Under optimized conditions, the fluorescence ratios (F440/F610) were linearly increased with increasing the CIPRO amount within the range of 0.003-200 µM with a limit of detection equal to 0.2 nM (S/N = 3). The as-fabricated La3+/GSH@AuNCs system possesses outstanding reliability and sensitivity for the detection of CIPRO. The system was effectively used to assay CIPRO in human urine and milk specimens with recoveries % of 97.6-102.3 % and 96.7-105.7 % for urine and milk samples, respectively and RSD % did not exceed 2.5 %, suggesting the accuracy of the method.
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Affiliation(s)
- Ashraf M Mahmoud
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Mater H Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Mohamed M El-Wekil
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt.
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7
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Li XH, Cui YY, Wu X, Abdukayum A, Yang CX. Fabrication of zwitterionic magnetic microporous organic network for efficient extraction of fluoroquinolone antibiotics from meat samples. Food Chem 2023; 429:136808. [PMID: 37459710 DOI: 10.1016/j.foodchem.2023.136808] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 06/24/2023] [Accepted: 07/03/2023] [Indexed: 08/24/2023]
Abstract
A zwitterionic magnetic microporous organic network (MMON-SO3H-NH2) with numerous amino and sulfonic acid ion-pare binding sites was designed and synthesized for efficient magnetic solid-phase extraction (MSPE) of fluoroquinolones (FQs) from meat samples. The core-shell MMON-SO3H-NH2 offered large specific surface area, rapid magnetic responsiveness, good stability, and multiple binding sites for FQs. The density functional theory and independent gradient model evaluations confirmed hydrogen bonding, π-π and ion-pair interactions between MMON-SO3H-NH2 and FQs. Under the optimal conditions, the established MMON-SO3H-NH2-MSPE-HPLC-UV method gave wide linear range (0.15-1000 μg L-1), low limits of detection (0.05-4.5 μg L-1) and limits of quantitation (0.15-13 μg L-1), and high enrichment factors (82.1-99.6) using 3 mg of adsorbent. This work demonstrates that the preparation of zwitterionic MONs is an efficient way to promote the extraction performance of MONs for zwitterionic targets and provides an effective sample pretreatment method for enriching and monitoring FQs in complex food matrices.
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Affiliation(s)
- Xu-Hui Li
- Laboratory of Xinjiang Native Medicinal and Edible Plant Resources Chemistry, College of Chemistry and Environmental Sciences, Kashi University, Kashi 844000, China
| | - Yuan-Yuan Cui
- School of Pharmaceutical Sciences & Institute of Materia Medica, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China
| | - Xun Wu
- Hangzhou Institute for Food and Drug Control, Hangzhou, Zhejiang 310000, China
| | - Abdukader Abdukayum
- Laboratory of Xinjiang Native Medicinal and Edible Plant Resources Chemistry, College of Chemistry and Environmental Sciences, Kashi University, Kashi 844000, China
| | - Cheng-Xiong Yang
- School of Pharmaceutical Sciences & Institute of Materia Medica, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China.
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8
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Hakiem AFA, Urriza-Arsuaga I, Urraca JL. Development of a Screening Method for Fluoroquinolones in Meat Samples Using Molecularly Imprinted Carbon Dots. BIOSENSORS 2023; 13:972. [PMID: 37998147 PMCID: PMC10669409 DOI: 10.3390/bios13110972] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/27/2023] [Accepted: 11/02/2023] [Indexed: 11/25/2023]
Abstract
An accurate and simple screening method has been developed for the determination of fluoroquinolone antibiotics. Carbon dots were synthesized by simple hydrothermal treatment as highly fluorescent nano-sensors. They were subsequently used in the synthesis of organic-based molecularly imprinted polymers to develop fluorescence-based polymeric composites using enoxacin as a representative dummy template molecule of fluoroquinolones. The method was optimized concerning the pH of the medium and composite concentration. The normalized fluorescence intensity showed efficient quenching under optimized conditions upon successive addition of the template, with an excellent correlation coefficient. The proposed method was applied to eight other fluoroquinolones, exhibiting, in all cases, good correlation coefficients (0.65-0.992) within the same linearity range (0.03-2.60 mg mL-1). Excellent detection and quantification limits were been obtained for the target analytes down to 0.062 and 0.186 mg L-1, respectively. All studied analytes showed no interference with enrofloxacin, the most commonly used veterinary fluoroquinolone, with a percentage of cross-reactivity varying from 89.00 to 540.00%. This method was applied successfully for the determination of enrofloxacin in three different types of meat samples: beef, pork, and chicken, with good recoveries varying from 70 to 100% at three levels. This new procedure is an easy analytical method that can be useful as a screening method for monitoring the environmental hazard of fluoroquinolones in quality control laboratories.
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Affiliation(s)
- Ahmed Faried Abdel Hakiem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, South Valley University, Qena 83523, Egypt
- Department of Analytical Chemistry, Faculty of Chemistry, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | | | - Javier L. Urraca
- Department of Analytical Chemistry, Faculty of Chemistry, Universidad Complutense de Madrid, 28040 Madrid, Spain
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Singh G, Garg D, Kumar S, Verma R, Malik AK. Terbium-based dual-ligand metal organic framework by diffusion method for selective and sensitive detection of danofloxacin in aqueous medium. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:106015-106025. [PMID: 37723392 DOI: 10.1007/s11356-023-29895-7] [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: 04/04/2023] [Accepted: 09/11/2023] [Indexed: 09/20/2023]
Abstract
A water-dispersible Tb(III)-based metal organic framework (TBP) was produced by diffusion technique using benzene-1,3,5-tricarboxylic acid (BTC) and pyridine as easily accessible ligands at low cost. The as-synthesized TBP with a crystalline structure and rod-shaped morphology has exhibited thermal stability up to 465 °C. Elemental analysis confirmed the presence of carbon, oxygen, nitrogen, and terbium in the synthesized MOF. TBP was used as a fluorescent probe for detection of danofloxacin (DANO) in an aqueous medium with significant enhancement of fluorescence intensity as compared to various fluoroquinolone antibiotics (levofloxacin (LEVO), ofloxacin (OFLO), norfloxacin (NOR), and ciprofloxacin (CIPRO)) with a low detection limit of 0.45 ng/mL (1.25 nm). The developed method has successfully detected DANO rapidly (i.e., response time = 1 min) with remarkable recovery (97.66-101.96%) and a relative standard deviation (RSD) of less than 2.2%. Additionally, TBP showcased good reusability up to three cycles without any significant performance decline. The in-depth mechanistic studies of the density functional theory (DFT) calculations and mode of action revealed that hydrogen bonding interactions and photo-induced electron transfer (PET) are the major factors for the turn-on enhancement behavior of TBP towards DANO. Thus, the present work provides the quick and precise identification of DANO using a new fluorescent MOF (TBP) synthesized via a unique and facile diffusion technique.
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Affiliation(s)
- Gurdeep Singh
- Department of Chemistry, Punjabi University, 147002, Patiala, Punjab, India
| | - Deepika Garg
- Department of Chemistry, Punjabi University, 147002, Patiala, Punjab, India
| | - Sanjay Kumar
- Department of Chemistry, Multani Mal Modi College, 147001, Patiala, Punjab, India
| | - Rajpal Verma
- Department of Chemistry, Punjabi University, 147002, Patiala, Punjab, India
- Department of Chemistry, Dr. B. R. Ambedkar Govt. College, Dabwali, Sirsa, Haryana, 125104, India
| | - Ashok Kumar Malik
- Department of Chemistry, Punjabi University, 147002, Patiala, Punjab, India.
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10
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Salman BI. A Novel Design Eco-friendly Microwave-assisted Cu-N@CQDs Sensor for the Quantification of Eravacycline via Spectrofluorimetric Method; Application to Greenness Assessments, Dosage Form and Biological Samples. J Fluoresc 2023; 33:1887-1896. [PMID: 36867288 PMCID: PMC10539432 DOI: 10.1007/s10895-023-03190-7] [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: 02/05/2023] [Accepted: 02/16/2023] [Indexed: 03/04/2023]
Abstract
Community-acquired pneumonia is one of the most common infectious diseases and a substantial cause of mortality and morbidity worldwide. Therefore eravacycline (ERV) was approved by the FDA in 2018 for the treatment of acute bacterial skin infections, GIT infections, and community-acquired bacterial pneumonia caused by susceptible bacteria. Hence, a green highly sensitive, cost-effective, fast, and selective fluorimetric approach was developed for the estimation of ERV in milk, dosage form, content uniformity, and human plasma. The selective method is based on the utilization of plum juice and copper sulphate for the synthesis of green copper and nitrogen carbon dots (Cu-N@CDs) with high quantum yield. The quantum dots' fluorescence was enhanced after the addition of ERV. The calibration range was found to be in the range 1.0 - 80.0 ng mL-1 with LOQ equal to 0.14 ng mL-1 and LOD was found to be 0.05 ng mL-1. The creative method is simple to deploy in clinical labs and therapeutic drug health monitoring system. The current approach has been bioanalytically validated using US-FDA and validated ICH criteria. High-resolution transmission electron microscopy (HR-TEM), X-ray photon spectroscopy (XPS), Zeta potential measurements, fluorescence, UV-VIS, and FTIR spectroscopy have all been used to fully characterize the Cu-N@CQDs. The Cu-N@CQDs were effectively applied in human plasma and milk samples with a high percentage of recovery ranging from 97.00 to 98.80%.
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Affiliation(s)
- Baher I Salman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt.
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11
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Verma R, Dhingra G, Singh G, Singh J, Dureja N, Malik AK. Efficient Turn-On Zr Based Metal Organic Framework Fluorescent Sensor for Ultrafast Detection of Danofloxacin in Milk Samples. J Fluoresc 2023:10.1007/s10895-023-03379-w. [PMID: 37578675 DOI: 10.1007/s10895-023-03379-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 07/27/2023] [Indexed: 08/15/2023]
Abstract
Metal organic framework, UiO-67 was synthesized by coordinating Zr(IV) with 4,4'-biphenyldicarboxylic acid (BPDC) ligand. Morphology and crystallinity of MOF was confirmed with FE-SEM and PXRD procedure. Danofloxacin (DANO), a veterinary fluoroquinolone antibiotic, was detected in milk by employing UiO-67 as "turn-on" fluorescent sensor. Original photoluminescent (PL) efficiency of UiO-67 sensor was enhanced on its electronic interaction with DANO molecule. Significant PL efficiency enhancement, lower detection limit 0.49 ng/mL (1.37 nM), swift detection (time < 1 min), and excellent linear correlation (R2 = 0.9988) indicated extraordinary sensitivity of developed UiO-67 sensor for DANO. Selectivity and performance of sensor was unaltered in presence of interfering species and detection results were obtained under permissible variation limits. Method applied successfully for ultra-trace detection of DANO residues in milk samples.
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Affiliation(s)
- Rajpal Verma
- Department of Chemistry, Punjabi University, Patiala, Punjab, 147002, India
- Dr. B. R. Ambedkar Govt. College, Dabwali, Sirsa, Haryana, 125104, India
| | - Gaurav Dhingra
- Punjabi University Constituent College, Ghanaur, Patiala, Punjab, 140702, India
| | - Gurdeep Singh
- Department of Chemistry, Punjabi University, Patiala, Punjab, 147002, India
| | - Jaswinder Singh
- Dr. B. R. Ambedkar Govt. College, Dabwali, Sirsa, Haryana, 125104, India
| | - Nidhi Dureja
- Department of Chemistry, Atma Ram Sanatan Dharam College, New Delhi, 110021, India
| | - Ashok Kumar Malik
- Department of Chemistry, Punjabi University, Patiala, Punjab, 147002, India.
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12
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Abdelaal SH, El-Kosasy AM, Abdelrahman MH. One-pot synthesis of N-doped carbon dots from microwave-irradiated egg white: application to raspberry ketone assay by photo-induced charge transfer fluorescence sensing. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-023-02748-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
AbstractIn this article, we designed one-step economic eco-harmonious microwave-assisted procedure to prepare nitrogen-doped carbon dots. We selected egg white as a cheap glycoprotein-based carbon source without the assistance of any chemicals. The synthetic process requires only 3 min during which carbonization and nitrogen doping are realized at the same time. The fabricated carbon dots were characterized for particle size, structure and photoluminescence behaviour. The nanodots were amorphous carbon-rich naturally nitrogen-doped particles with plentiful attached hydrophilic functional groups. They had average particle size 2.98 ± 1.57 nm, emitted strong blue fluorescence and showed excitation-dependant emission behaviour. What is more, the practical use of this system for raspberry ketone determination in commercially available weight loss dietary supplement product is demonstrated successfully. In ethylene glycol medium, the addition of raspberry ketone enhances the emission intensity of the synthesized carbon dots. The effect of reaction time and solvent was investigated. After optimization, the intensity enhancement was linear to the amount of raspberry ketone added to the assay solution in the concentration range of 100–1000 ng/ml, with detection and quantitation limits of 15.10 and 45.45 ng/ml, respectively. The method was validated in accordance to International Conference on Harmonization (ICH) guidelines and further applied to raspberry ketone capsules showing excellent results.
Graphical abstract
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13
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Li L, Yang L, Lin D, Xu S, Mei C, Yu S, Jiang C. Hydrogen-bond induced enhanced emission ratiometric fluorescent handy needle for visualization assay of amoxicillin by smartphone sensing platform. JOURNAL OF HAZARDOUS MATERIALS 2023; 444:130403. [PMID: 36403445 DOI: 10.1016/j.jhazmat.2022.130403] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/31/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
Amoxicillin (AMO) is one of the most commonly used antibiotics, and its abuse in animal husbandry or clinical therapy can pose unpredictable hazards to humans. Therefore, it is crucial to develop a real-time and rapid method to accurately determine AMO content. Here, we designed a fluorescent nanoprobe for qualitative and quantitative AMO determination by using as-synthesized green safe materials of nontoxic red carbon dots (RCDs) and blue carbon dots (BCDs). In the presence of AMO, a reaction promoting hydrogen bonding occurred immediately, resulting in an instant increase in the intensity of the blue fluorescence of BCDs, accompanied by a marked color change from red to blue. For practical application, we designed a nontoxic sensing fluorescent handy needle to directly and quantitatively detect AMO in real samples. This portable and easy-to-use device was demonstrated on a smartphone platform based on 3D printing technology, which offers the advantages of simple production, excellent visualization, fast response, and instant quantitative detection. The device requires an extremely short detection time and has a sensitive detection limit of 2.39 nM. The method presented here enables real-time assessment for food safety, as well as on-site detection under field conditions to track various trace substances for timely health checks.
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Affiliation(s)
- Lingfei Li
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009, China; Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Liang Yang
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China; State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China.
| | - Dan Lin
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China; State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Shihao Xu
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China; State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Chunsheng Mei
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Shaoming Yu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009, China.
| | - Changlong Jiang
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China; State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China.
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14
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El-Naka MA, El-Dissouky A, Ali GY, Ebrahim S, Shokry A. Garlic capped silver nanoparticles for rapid detection of cholesterol. Talanta 2023; 253:123908. [PMID: 36087411 DOI: 10.1016/j.talanta.2022.123908] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/25/2022] [Accepted: 08/30/2022] [Indexed: 12/13/2022]
Abstract
A fluorescent biosensor based on garlic (Allium sativum L.) capped Ag nanoparticles (G-Ag NPs) has been synthesized for cholesterol detection. Pristine Ag NPs and G-Ag NPs were synthesized through the chemical reduction process. The effect of different capping agents such as 3-aminopropyltriethoxysilane (APTS), glutathione, 8-hydroxyquinoline, garlic/APTS, garlic/glutathione, and garlic/8-hydroxyquinoline on Ag NPs was evaluated. These NPs were characterized using Fourier transform infrared (FTIR), energy-dispersive X-ray (EDX), X-ray photoelectron spectroscopy (XPS), high-resolution transmission electron microscopy (HRTEM), X-Ray diffraction (XRD), UV-visible spectra, and Zeta potential. The HRTEM micrographs illustrated that Ag NPs with particles size ranging from 2.98 to 14.34 nm were aggregated. G-Ag NPs images showed uniformly distributed spherical particles with particles size from 4.52 to 12.8 nm. The reduction in the plasmonic bands of Ag NPs and G-Ag NPs occurred by 96.4% and 11.7%, respectively after 12 months. The developed sensor for cholesterol based on the fluorescence enhancement had a linear response in a concentration range of 0.4-5.17 mM with a sensitivity of 4.36 Mm-1 and a limit of detection of 0.186 mM. The high selectivity toward cholesterol in presence of different interferes such as glucose, cysteine, glycine, urea, sucrose, nickel, and copper, and their mixture was evaluated. The applicability of this developed sensor for real serum samples was detected with a recovery percentage from 99.1 to 101.3%. Repeatability and reproducibility experiments displayed relative standard deviations (RSD) of 0.88% and 0.62%, respectively.
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Affiliation(s)
- Marwa Ahmed El-Naka
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, 21321, Alexandria, Egypt.
| | - A El-Dissouky
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, 21321, Alexandria, Egypt
| | - G Y Ali
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, 21321, Alexandria, Egypt
| | - Shaker Ebrahim
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
| | - Azza Shokry
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
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A Ratiometric Probe Based on Carbon Dots and Calcein & Eu3+ for the Fluorescent Detection of Sodium Tripolyphosphate. J Fluoresc 2022; 33:965-972. [PMID: 36542222 DOI: 10.1007/s10895-022-03121-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
Sodium tripolyphosphate, a food additive, is applied broadly in food industry. However, excessive accumulation of sodium tripolyphosphate can result in electrolyte abnormality of the body. Therefore, it is of great importance to investigate an effective method for the detection of sodium tripolyphosphate. In this work, nitrogen-doped carbon dots (NCDs) with constant fluorescence were fabricated using a domestic microwave oven. A ratiometric fluorescent probe was constructed in which NCDs were as internal standard, calcein & Eu3+ were as the detection signal. The fluorescence of calcein at 515 nm was quenched by Eu3+, whereas the emission peak of NCDs at 446 nm was almost unchanged. Additionally, the fluorescence of calcein was recovered because of the strong interaction of sodium tripolyphosphate and Eu3+. The linear range for sodium tripolyphosphate was 0.5-6 µmol/L with detection limit of 0.12 µmol/L. Furthermore, the ratiometric fluorescent probe was applied for sodium tripolyphosphate detection in real milk samples.
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16
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Rajendran S, UshaVipinachandran V, Badagoppam Haroon KH, Ashokan I, Bhunia SK. A comprehensive review on multi-colored emissive carbon dots as fluorescent probes for the detection of pharmaceutical drugs in water. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:4263-4291. [PMID: 36278849 DOI: 10.1039/d2ay01288j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Exposure to constituent hazardous chemicals in medical products has become a threat to environmental health across the globe. Excessive medication and the mishandling of pharmaceutical drugs can lead to the increased presence of chemicals in the aquatic environment, causing water pollution. Only a few nanomaterials exist for the detection of these chemicals and they are limited in use due to their adverse toxicity, instability, cost, and low aqueous solubility. In contrast, carbon dots (C-dots), a member of the family of carbon-based nanomaterials, have various beneficial properties including excellent biocompatibility, strong photoluminescence, low photobleaching, tunable fluorescence, and easy surface modification. Herein, we summarize recent advancements in various synthetic strategies for high-quality tunable fluorescent C-dots. The root of fluorescence has been briefly explained via the quantum confinement effect, surface defects, and molecular fluorescence. The surface functional moieties of C-dots have been investigated in depth to recognize the various types of pharmaceutical drugs that are used for the treatment of patients. The modulation of C-dot fluorescence in the course of their interactions with these drugs has been carefully explained. Different types of interaction mechanisms behind the C-dot fluorescence alteration have been discussed. Finally, the challenges and future perspectives of C-dots have been proposed for the vibrant field development of C-dot-based drug sensors.
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Affiliation(s)
- Sathish Rajendran
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
| | - Varsha UshaVipinachandran
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
| | | | - Indhumathi Ashokan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
| | - Susanta Kumar Bhunia
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
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17
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Kundu A, Maity B, Basu S. Rice Husk-Derived Carbon Quantum Dots-Based Dual-Mode Nanoprobe for Selective and Sensitive Detection of Fe 3+ and Fluoroquinolones. ACS Biomater Sci Eng 2022; 8:4764-4776. [PMID: 36200295 DOI: 10.1021/acsbiomaterials.2c00798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Herein, eco-friendly, water-soluble, and fluorescent carbon quantum dots (CQDs) with an average size of 8.3 nm were synthesized from rice husk (RH) using the hydrothermal method, and the CQDs were labeled as rice husk CQDs (RH-CQDs). The composition and surface functionalities were studied using X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and Raman spectroscopy. A study on the impact of pH and irradiation time on fluorescence affirmed the stability of RH-CQDs. The as-synthesized nanosensor has high selectivity and sensitivity for Fe3+ ions. Several photophysical studies were performed to investigate the interaction between RH-CQDs and Fe3+. Using the time-correlated single-photon technique, it is determined that the average lifetime value of RH-CQDs significantly decreases in the presence of Fe3+, which supports a dynamic quenching mechanism. The developed sensor exhibited excellent sensitivity with a detection limit in the nanomolar range (149 nM) with a wide linear range of 0-1300 nM for Fe3+ ions. The prepared nanosensor was also used to detect Fe3+ in a tablet supplement with high recoveries. Moreover, the RH-CQD nanoprobe was used to detect other analytes (fluoroquinolones) using the fluorescence enhancement technique. It showed high selectivity and sensitivity toward ofloxacin (OFX) and ciprofloxacin (CPX). The detection limits calculated were 150 nM and 127 nM with a linearity range of 50-1150 nM for OFX and CPX, respectively. The enhancement of the average lifetime value and quantum yield in the presence of OFX and CPX favors the increased fluorescence property of RH-CQDs through hydrogen bonding and charge transfer. In this work, the integration of two different mechanisms (fluorescence quenching and fluorescence enhancement) was followed to construct a single sensing platform for accurate quantification of dual-mode nanosensors for the detection of metal ions and fluoroquinolones by the excited-state electron transfer and hydrogen bonding mechanism, respectively. This strategy also stimulates the detection of more than one analyte.
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Affiliation(s)
- Aayushi Kundu
- School of Chemistry and Biochemistry, SRF─TIET-Virginia Tech Center of Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala147004, India
| | - Banibrata Maity
- School of Chemistry and Biochemistry, Affiliate Faculty─TIET-Virginia Tech Center of Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala147004, India
| | - Soumen Basu
- School of Chemistry and Biochemistry, Affiliate Faculty─TIET-Virginia Tech Center of Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala147004, India
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18
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Facile synthesis of surface functionalized Pd 2+@P-CDP/COFs for highly sensitive detection of norfloxacin drug based on the host-guest interaction. J Pharm Biomed Anal 2022; 219:114956. [PMID: 35882178 DOI: 10.1016/j.jpba.2022.114956] [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: 04/30/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 01/05/2023]
Abstract
In this work, β-cyclodextrin porous polymers (P-CDPs) functionalized novel covalent organic frameworks (P-CDPs/COFs) were synthesized by a simple and facile method. After combined with Pd2+ via electrostatic interaction, the Pd2+@P-CDPs/COFs nanocomposites were prepared and utilized as novel electrode materials to fabricate the non-enzyme electrochemical sensors for high-sensitivity detection of Norfloxacin (NF). Due to the host-guest recognition, excellent adsorption performance and catalytic performance of Pd2+@P-CDPs/COFs, the prepared sensor exhibited excellent electrochemical performance for detecting NF under the optimum conditions, which showed two linear ranges of 0.08-7.0 μM and 7.0-100.0 μM with a low detection limit of 0.031 μM (S/N = 3). Additionally, the obtained sensor has also been successfully applied to measure NF with satisfactory results in the real medicinal samples of NF eye-drops. Our findings paved the way for the development of COFs-based sensing platform in drug analysis and testing for human health, food security and the quality control of drugs.
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19
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Qiu X, Gu J, Yang T, Ma C, Li L, Wu Y, Zhu C, Gao H, Yang Z, Wang Z, Li X, Hu A, Xu J, Zhong L, Shen J, Huang A, Chen G. Sensitive determination of Norfloxacin in milk based on β-cyclodextrin functionalized silver nanoparticles SERS substrate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 276:121212. [PMID: 35413530 DOI: 10.1016/j.saa.2022.121212] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/21/2022] [Accepted: 03/26/2022] [Indexed: 06/14/2023]
Abstract
The norfloxacin (NFX) residue in milk will increase human resistance to drugs and pose a threat to public health. In this work, a highly sensitive method for detection of NFX was developed based on surface enhanced Raman spectroscopy (SERS) using β-cyclodextrin functionalized silver nanoparticles (β-CD-AgNPs) as substrate. The unique spatial size and hydrophilicity of β-CD on the surface of AgNPs could selectively capture the target molecule (NFX) through some weak interactions, including hydrogen-bond interaction, electrostatic interaction, etc. The interactions were characterized by the UV-Vis absorption spectroscopy, fluorescence spectroscopy, Zeta potential and DLS. The Raman signal of NFX is largely enhanced when anchored by β-CD on the surface of AgNPs due to SERS effect. Through a series of experiments and analysis, the limit of detection (LOD) in standard solution and spiked milk were calculated to be 3.214 pmol/L and 5.327 nmol/L. The correlation coefficients (R2) were 0.986 and 0.984, respectively. For milk sample determination of NFX, the recovery was 101.29% to 104.00% with the relative standard deviation (RSD) from 2.986% to 9.136%. To sum up, this developed SERS strategy is sensitive and specific to detect NFX in milk, it has practical application value and prospects.
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Affiliation(s)
- Xiaoqian Qiu
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Jiao Gu
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Taiqun Yang
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Chaoqun Ma
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Lei Li
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Yamin Wu
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Chun Zhu
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Hui Gao
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Zichen Yang
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China; School of Internet of Things Engineering, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China
| | - Zirui Wang
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Xiaolin Li
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Anqi Hu
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Jinzeng Xu
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Lvyuan Zhong
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Jialu Shen
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Anlan Huang
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China
| | - Guoqing Chen
- School of Science, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Lihu Avenue 1800, 214122 Wuxi, China.
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20
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Salman BI, Hassan AI, Hassan YF, Saraya RE. Ultra-sensitive and selective fluorescence approach for estimation of elagolix in real human plasma and content uniformity using boron-doped carbon quantum dots. BMC Chem 2022; 16:58. [PMID: 35922841 PMCID: PMC9351230 DOI: 10.1186/s13065-022-00849-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 07/19/2022] [Indexed: 11/10/2022] Open
Abstract
Elagolix (ELX) is an orally administered non-peptidic GnRH antagonist that has been approved by the Food and Drug Administration in 2018 for the treatment of endometriosis pain. A sensitive and selective method for estimating elagolix (ELX) in human plasma and content uniformity was developed and validated. The spectrofluorimetric technique was used to investigate ELX utilizing boron-doped carbon quantum dots (B@CQDs). After gradually adding ELX, the quantum dots fluorescence was enhanced with LOQ of 1.74 ng mL−1, the calibration curve between ELX and corresponding fluorescence intensity was found over a range of 4–100 ng mL−1. The method was successfully applied in real human plasma with pharmacokinetic study and content uniformity test. The pharmacokinetic parameters as Cmax were found to be 570 ± 5.32 ng. mL−1 after 1 h, t1/2 was found to be 6.50 h, and AUC was found to be 1290 ± 30.33 ng. h. mL−1. B@CQDs were characterized using variety of instruments. The strategy is simple to implement in clinical labs and therapeutic drug monitoring systems.
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Affiliation(s)
- Baher I Salman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt.
| | - Ahmed I Hassan
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt
| | - Yasser F Hassan
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt
| | - Roshdy E Saraya
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Port Said University, Port Said, 42511, Egypt
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21
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Girmatsion M, Dong H, Abraha B, Mahmud A, Kasimala M, Gebremedhin H, Adhanom A, Lu G, Fangwei Y, Guo Y. A natural fluorescent protein for ciprofloxacin sensing and mechanism study using molecular docking and circular dichroism. Anal Chim Acta 2022; 1221:340082. [DOI: 10.1016/j.aca.2022.340082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/14/2022] [Accepted: 06/10/2022] [Indexed: 12/01/2022]
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22
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Salman BI, Ibrahim AE, El Deeb S, Saraya RE. Fabrication of novel quantum dots for the estimation of COVID-19 antiviral drug using green chemistry: application to real human plasma. RSC Adv 2022; 12:16624-16631. [PMID: 35754906 PMCID: PMC9169903 DOI: 10.1039/d2ra02241a] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/27/2022] [Indexed: 11/21/2022] Open
Abstract
The COVID-19 pandemic has encouraged the search for novel antiviral medications. Recently, molnupiravir (MOL) has been approved as an oral antiviral to manage COVID-19. Thus, the development of sensitive and cost-effective methods for quantification of MOL in real plasma samples (pharmacokinetic) and pharmaceutical tablets is required. Herein, we present the fabrication of novel fluorescent polyamine quantum dots (PA@CQDs) fabricated from apricots using one step synthesis for analysis of MOL. The relative fluorescence intensity (RFI) of the synthesized quantum dots was influentially quenched by the addition of molnupiraivr. The linear range was found to be between 2-70 ng mL-1 with lower limit of quantitation (LOQ) equal to 1.61 ng mL-1. The fluorescent probe was successfully utilized in a pharmacokinetic study of MOL with maximum plasma concentration (C max) 920.2 ± 6.12 ng mL-1 without any matrix interference. The sensitivity and selectivity of the presented method allow its application in clinical laboratories.
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Affiliation(s)
- Baher I Salman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University Assiut Branch Assiut 71524 Egypt +201099031345
| | - Adel Ehab Ibrahim
- Natural and Medical Sciences Research Center, University of Nizwa Birket Almawz P. O. box 33 Oman
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Port Said University Port Said 42511 Egypt
| | - Sami El Deeb
- Natural and Medical Sciences Research Center, University of Nizwa Birket Almawz P. O. box 33 Oman
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universitaet Braunschweig 38106 12 Braunschweig Germany
| | - Roshdy E Saraya
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Port Said University Port Said 42511 Egypt
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23
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Sun Y, Dramou P, Song Z, Zheng L, Zhang X, Ni X, He H. Lanthanide Metal Doped Organic Gel as Ratiometric Fluorescence Probe for Selective Monitoring of Ciprofloxacin. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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24
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Near-infrared carbon dots for cell imaging and detecting ciprofloxacin by label-free fluorescence sensor based on aptamer. Mikrochim Acta 2022; 189:170. [PMID: 35364773 DOI: 10.1007/s00604-022-05273-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 03/10/2022] [Indexed: 10/18/2022]
Abstract
A label-free fluorescence sensor based on near-infrared carbon dots (NIR-CDs) and aptamer is described for the highly sensitive and selective detection of ciprofloxacin (CIP). NIR-CDs were synthesized from polyethyleneimine and reduced glutathione by one-step hydrothermal method. The electrostatic interaction between the positively charged carbon dots and the negatively charged aptamer resulted in fluorescence quenching. After the addition of CIP, the specific binding between CIP aptamer and CIP was stronger, resulting in fluorescence recovery. Under the optimal experimental conditions, the recovered fluorescence intensity has a linear relationship with the concentration of CIP in the range 0.5-800 ng/mL, and the detection limit is 0.167 ng/mL. The prepared carbon dots have excellent optical properties and biocompatibility, and due to their emission characteristics in the near-infrared window, they can be used for biological imaging, which has also been confirmed in the experiment. The feasibility of the label-free fluorescence sensor for the detection of CIP is also proved by confocal fluorescence imaging. The detection results of CIP determination in milk by this sensor are satisfactory, indicating that the developed sensor has great application potential.
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A ratiometric fluorescence platform based on carbon dots for visual and rapid detection of copper(II) and fluoroquinolones. Mikrochim Acta 2022; 189:144. [PMID: 35292904 DOI: 10.1007/s00604-022-05243-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 02/22/2022] [Indexed: 10/25/2022]
Abstract
A simple smartphone-integrated ratiometric fluorescent sensing system for visual determination of copper ions (Cu2+) and fluoroquinolones (FQs) was developed based on carbon dots (CDs) which were synthesized through the high-temperature pyrolysis of citric acid. In this system, with the fluorescence resonance energy transfer effect between CDs and 2,3-diaminophenazine (oxOPD), the detection of Cu2+ and ciprofloxacin (CIP, an example for FQs) was realized. Cu2+ catalyzes the oxidation of OPD to form oxOPD with yellow fluorescence, resulting in the quenching of CDs. In addition, CIP can inhibit the catalytic activity of Cu2+ and induce the recovery of CDs fluorescence. Under the excitation of 400 nm, the changes of CDs fluorescence at 472 nm and oxOPD fluorescence at 556 nm were monitored. The detection results showed that the sensing system exhibited good selectivity and sensitivity to Cu2+ and CIP with the limit of detection of 2.32 × 10-8 mol L-1 and 0.2 ng mL-1, respectively. In addition, a smartphone was developed as a portable analyzer to capture the change of fluorescence color and quickly analyze the concentration of Cu2+ and CIP. The proposed smartphone-based sensing platform has satisfactory sensitivity, and it has application prospects for detecting Cu2+ and FQs in food safety monitoring.
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Lu Z, Li G, Hu Y. A Tb 3+ functionalized triazine-porous organic framework as a ratiometric fluorescent sensor for determination of ciprofloxacin in aquatic products. NEW J CHEM 2022. [DOI: 10.1039/d2nj03657f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A Tb3+ functionalized triazine-porous organic framework (Tb3+/TAPOF) was prepared by introducing Tb3+ into a triazine-porous organic framework through a coordination bond.
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Affiliation(s)
- Zhenyu Lu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Yufei Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
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27
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Wei B, Zhu W, Li K, Liu Q, Zhang J, Kou H, Xu C, He L, Wang H. Natural collagen peptides-encapsulated gold nanoclusters for the simultaneous detection of multiple antibiotics in milk and molecular logic operations. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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28
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Li Z, Zhang J, Sun Q, Shi W, Tao T, Fu Y. Moxifloxacin detection based on fluorescence resonance energy transfer from carbon quantum dots to moxifloxacin using a ratiometric fluorescence probe. NEW J CHEM 2022. [DOI: 10.1039/d1nj05961k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
With an increase in the MOX concentration, the fluorescence intensity of CQDs decreases, whereas the fluorescence intensity of MOX increases gradually.
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Affiliation(s)
- Zhiwen Li
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China
- Anhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application, Wuhu, Anhui 241000, P. R. China
| | - Jiyue Zhang
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China
- Anhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application, Wuhu, Anhui 241000, P. R. China
| | - Qiyao Sun
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China
- Anhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application, Wuhu, Anhui 241000, P. R. China
| | - Wenwen Shi
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China
- Anhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application, Wuhu, Anhui 241000, P. R. China
| | - Tingxian Tao
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China
- Anhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application, Wuhu, Anhui 241000, P. R. China
| | - Yingqiang Fu
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China
- Anhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application, Wuhu, Anhui 241000, P. R. China
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29
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Amperometric detection of antibiotic drug ciprofloxacin using cobalt-iron Prussian blue analogs capped on carbon nitride. Mikrochim Acta 2021; 189:31. [PMID: 34931258 DOI: 10.1007/s00604-021-05061-z] [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: 06/04/2021] [Accepted: 10/12/2021] [Indexed: 10/19/2022]
Abstract
Ciprofloxacin (CIP) electrochemical sensor was constructed using cobalt-iron Prussian blue analogs decorated on carbon nitride (Co-Fe-PBA@CN). Co-Fe-PBA decorated on CN was fabricated using a simple sonication-assisted hydrothermal method to prepare the composite to obtain a cube-shaped structure decorated on CN sheets. The fabricated Co-Fe-PBA@CN was physically characterized using XRD and SEM analysis. Then, the fabricated composite was electrochemically studied to sense antibiotic drug ciprofloxacin (CIP). The electrochemical behavior was investigated using tools such as cyclic voltammetry (CV) and amperometric I-t studies. The Co-Fe-PBA@CN modified electrode displays a wide linear range (0.005-300 and 325-741 μM) with a low detection limit (0.7389 and 1.0313 nM) and good sensitivity (0.3157 and 0.2263 μA.μM-1cm-2) toward CIP. The Co-Fe-PBA@CN modified electrode also exhibits good selectivity, reproducibility, and repeatability toward CIP. The proposed sensor was validated with real sample analysis, biological samples like urine and blood serum containing commercially available ciprofloxacin tablets were studied, and the results demonstrate good viability.
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30
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Atta NF, Galal A, El-Gohary AR. Novel method of one pot preparation of thiourea self-assembled monolayers over gold nanoparticles-carbon nanotubes composite for sensing application of phenolic compounds. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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31
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Wang J, Teng X, Wang Y, Si S, Ju J, Pan W, Wang J, Sun X, Wang W. Carbon dots based fluorescence methods for the detections of pesticides and veterinary drugs: Response mechanism, selectivity improvement and application. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116430] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Yuan X, Lv W, Wang B, Yan C, Ma Q, Zheng B, Du J, Xiao D. Silicon nanoparticles-based ratiometric fluorescence platform: Real-time visual sensing to ciprofloxacin and Cu 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 253:119599. [PMID: 33662697 DOI: 10.1016/j.saa.2021.119599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/19/2021] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
In this work, a silicon nanoparticles (Si NPs)-based ratiometric fluorescence sensing platform was conveniently fabricated by simply mixing fluorescent Si NPs as co-ligands and reference signal with lanthanide metal ion Eu3+ as response signal. The introduction of ciprofloxacin (CIP) remarkably turned on the characteristic fluorescence of Eu3+ at 590 nm and 619 nm through the "antenna effect". At the same time, the blue emission of Si NPs at 445 nm kept comparatively stable. A good linear relationship between the ratio fluorescence intensity and CIP concentration in the range of 0.211-132.4 μM with a limit of detection (LOD) of 89 nM was obtained. In the presence of Cu2+, the fluorescence emission of Eu3+ was sharply turned off because of the stronger coordination ability of Cu2+ with CIP, which guaranteed the sequential detection of Cu2+. Meanwhile, the distinct fluorescent color change from bright blue to red, then back to blue, enabled naked-eye visual detection of CIP and Cu2+ in the solution phase and on paper-based test strip, and was successfully applied to determine the levels of CIP in complicated food samples with high sensitivity.
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Affiliation(s)
- Xiaoying Yuan
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Wendi Lv
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Bing Wang
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Chenglu Yan
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Qiuting Ma
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Baozhan Zheng
- College of Chemistry, Sichuan University, Chengdu 610064, China; Key Laboratory of Green Chemistry and Technology, Ministry of Education, Sichuan University, Chengdu 610064, China.
| | - Juan Du
- College of Chemistry, Sichuan University, Chengdu 610064, China; Key Laboratory of Green Chemistry and Technology, Ministry of Education, Sichuan University, Chengdu 610064, China.
| | - Dan Xiao
- College of Chemistry, Sichuan University, Chengdu 610064, China; Key Laboratory of Green Chemistry and Technology, Ministry of Education, Sichuan University, Chengdu 610064, China
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34
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Chen S, Su X, Yuan C, Jia CQ, Qiao Y, Li Y, He L, Zou L, Ao X, Liu A, Liu S, Yang Y. A magnetic phosphorescence molecularly imprinted polymers probe based on manganese-doped ZnS quantum dots for rapid detection of trace norfloxacin residual in food. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 253:119577. [PMID: 33636494 DOI: 10.1016/j.saa.2021.119577] [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: 10/16/2020] [Revised: 01/11/2021] [Accepted: 01/29/2021] [Indexed: 06/12/2023]
Abstract
This paper reports the development of a novel probe based on magnetic room-temperature phosphorescence quantum dots with molecularly imprinted polymers (MQD-MIPs) for the rapid detection of trace norfloxacin (NFX) residual in complex food matrix. The highly selective probe was constructed by surface molecular imprinting technology using magnetic materials (Fe3O4 nanoparticles) as core, Mn-doped ZnS quantum dots (Mn-ZnS QDs) as phosphorescent materials, NFX as template, 3-aminopropyltriethoxysilane as functional monomer, and tetraethoxysilane as crosslinking agent. The as-obtained MQD-MIPs were characterized in detail by transmission electron microscopy, scanning electron microscopy, X-ray powder diffraction, Fourier transform infrared spectrometry, and vibrating sample magnetometer. A magnetic strength of 37.64 emu g-1 was recorded. Also, the probe displayed excellent room temperature phosphorescence properties with excitation/emission peaks at 300/590 nm. Under the optimized conditions, the detection time was less than 40 min, phosphorescence intensity varied linearly with concentration from 1 to 90 μg·L-1, and detection limit reached as low as 0.80 μg·L-1. Furthermore, the MQD-MIPs-based probe successfully detected norfloxacin residues in spiked fish and milk samples with recoveries of 90.92-111.53% and RSD <7%, outperforming the standard control method-HPLC-FLD (recoveries of 85.89-118.28%).
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Affiliation(s)
- Shujuan Chen
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China.
| | - Xin Su
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Chengbo Yuan
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Charles Q Jia
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Yan Qiao
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Yuzhu Li
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Li He
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Likou Zou
- College of Resources, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Xiaolin Ao
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Aiping Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Shuliang Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
| | - Yong Yang
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan 625014, PR China
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35
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Huang Q, Bao Q, Wu C, Hu M, Chen Y, Wang L, Chen W. Carbon dots derived from Poria cocos polysaccharide as an effective “on-off” fluorescence sensor for chromium (VI) detection. J Pharm Anal 2021; 12:104-112. [PMID: 35573881 PMCID: PMC9073324 DOI: 10.1016/j.jpha.2021.04.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 04/02/2021] [Accepted: 04/16/2021] [Indexed: 11/08/2022] Open
Abstract
Chromium is a harmful contaminant showing mutagenicity and carcinogenicity. Therefore, detection of chromium requires the development of low-cost and high-sensitivity sensors. Herein, blue-fluorescent carbon quantum dots were synthesized by one-step hydrothermal method from alkali-soluble Poria cocos polysaccharide, which is green source, cheap and easy to obtain, and has no pharmacological activity due to low water solubility. These carbon quantum dots exhibit good fluorescence stability, water solubility, anti-interference and low cytotoxicity, and can be specifically combined with the detection of Cr(VI) to form a non-fluorescent complex that causes fluorescence quenching, so they can be used as a label-free nanosensor. High-sensitivity detection of Cr(VI) was achieved through internal filtering and static quenching effects. The fluorescence quenching degree of carbon dots fluorescent probe showed a good linear relationship with Cr(VI) concentration in the range of 1–100 μM. The linear equation was F0/F = 0.9942 + 0.01472 [Cr(VI)] (R2 = 0.9922), and the detection limit can be as low as 0.25 μM (S/N = 3), which has been successfully applied to Cr(VI) detection in actual water samples herein. Carbon dots was synthesized from alkaloid-soluble Poria cocos polysaccharide, which used for Cr (VI) detection. High sensitivity and selectivity detection of Cr(VI) based on internal filtering effect and static quenching mechanism. The method analysis speed is quick, sensitive, raw materials for convenient, inexpensive. The method has been applied to the determination of Cr(VI) in actual samples with satisfactory recovery.
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36
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Advances and perspectives in carbon dot-based fluorescent probes: Mechanism, and application. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213686] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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37
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Guo M, Chi J, Li Y, Waterhouse GIN, Ai S, Hou J, Li X. Fluorometric determination of mercury(II) based on dual-emission metal-organic frameworks incorporating carbon dots and gold nanoclusters. Mikrochim Acta 2020; 187:534. [PMID: 32870375 DOI: 10.1007/s00604-020-04508-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 08/18/2020] [Indexed: 10/23/2022]
Abstract
Carbon dots and gold nanoclusters co-encapsulated by zeolitic imidazolate framework-8 (CDs/AuNCs@ZIF-8) have been obtained at room temperature. The composite has been applied to the ratiometric fluorescence determination of mercury(II). The composite shows fluorescence emission maxima at 440 and 640 nm under 360 nm excitation, due to the CDs and AuNCs, respectively (associated quantum yields were 18% and 17%, respectively). In the presence of Hg2+, the fluorescence at about 640 nm is quenched, while the fluorescence at about 440 nm is unaffected. The CDs/AuNCs@ZIF-8 composite allows the sensitive detection of Hg2+, with the fluorescence intensity ratio (I640/I440) decreasing linearly with Hg2+ concentration over the range 3-30 nM. The fluorescence emission of the composite changes color from red to blue with increasing Hg2+ under UV excitation, which can easily be discerned visually. This visual detection of Hg2+ is due to the high fluorescence quantum yields of the CDs and AuNCs and the ~ 200 nm separation between the two emission maxima. Graphical abstract (A) Schematic diagram showing the operating principle of the determination for Hg(II). (B) Digital graph of the solutions in absence and presence of 30 nM Hg(II) under a portable UV lamp.
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Affiliation(s)
- Manli Guo
- College of Food Science and Engineering, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China
| | - Jingtian Chi
- College of Food Science and Engineering, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China
| | - Yijing Li
- College of Chemistry and Material Science, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China
| | - Geoffrey I N Waterhouse
- College of Chemistry and Material Science, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China.,School of Chemical Sciences, The University of Auckland, Auckland, 1142, New Zealand
| | - Shiyun Ai
- College of Chemistry and Material Science, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China
| | - Juying Hou
- College of Chemistry and Material Science, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China.
| | - Xiangyang Li
- College of Food Science and Engineering, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China.
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38
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Guan S, Wu H, Yang L, Wang Z, Wu J. Use of a magnetic covalent organic framework material with a large specific surface area as an effective adsorbent for the extraction and determination of six fluoroquinolone antibiotics by HPLC in milk sample. J Sep Sci 2020; 43:3775-3784. [PMID: 32706488 DOI: 10.1002/jssc.202000616] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 01/21/2023]
Abstract
A magnetic covalent organic framework material was synthesized with a core-shell structure using a simple solvothermal method. It was prepared with Fe3 O4 as the magnetic core, covalent organic framework as the shell, which synthesized from 1,3,5-triformylphloroglucinol and p-phenylenediamine by Schiff base reaction. Transmission electron microscopy, Fourier transform infrared spectroscopy, powder X-ray diffraction, vibrating sample magnetometry, and nitrogen adsorption-desorption were used to characterize magnetic adsorbent. It has showed a large specific surface area (505.6 m2 /g), which can provide many adsorption sites. Moreover, the saturation magnetization value was 48.4 emu/g enough to be separated by external magnet. Six kinds of fluoroquinolones (enoxacin, fleroxacin, ofloxacin, norfloxacin, pefloxacin, and lomefloxacin) were extracted by magnetic solid phase extraction with the magnetic adsorbent. High-performance liquid chromatography detects the entire adsorption and desorption process to further evaluate the optimal extraction and desorption conditions. Under the optimal chromatographic conditions, this method showed a low detection limit (0.05 to 0.20 μg/L), good linearity in the range of 0.5 to 200 μg/L, and the enrichment factor reaches 115.5-127.3. The spiked recovery of the fluoroquinolones in milk sample ranged from 90.4 to 101.2%.
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Affiliation(s)
- Shuping Guan
- School of Chemistry and Materials Science of Shanxi Normal University, Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Shanxi Normal University) Ministry of Education, Linfen, Shanxi, P. R. China.,Research Institute of Materials Science of Shanxi Normal University, Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, Shanxi, P. R. China
| | - Hao Wu
- School of Chemistry and Materials Science of Shanxi Normal University, Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Shanxi Normal University) Ministry of Education, Linfen, Shanxi, P. R. China.,Research Institute of Materials Science of Shanxi Normal University, Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, Shanxi, P. R. China
| | - Liu Yang
- School of Chemistry and Materials Science of Shanxi Normal University, Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Shanxi Normal University) Ministry of Education, Linfen, Shanxi, P. R. China.,Research Institute of Materials Science of Shanxi Normal University, Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, Shanxi, P. R. China
| | - Zhuliang Wang
- School of Chemistry and Materials Science of Shanxi Normal University, Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Shanxi Normal University) Ministry of Education, Linfen, Shanxi, P. R. China.,Research Institute of Materials Science of Shanxi Normal University, Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, Shanxi, P. R. China
| | - Jianmin Wu
- School of Chemistry and Materials Science of Shanxi Normal University, Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Shanxi Normal University) Ministry of Education, Linfen, Shanxi, P. R. China.,Research Institute of Materials Science of Shanxi Normal University, Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, Shanxi, P. R. China
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Nazari F, Tabaraki R. Sensitive fluorescence detection of atorvastatin by doped carbon dots synthesized in deep eutectic media. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 236:118341. [PMID: 32299037 DOI: 10.1016/j.saa.2020.118341] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 03/16/2020] [Accepted: 04/02/2020] [Indexed: 06/11/2023]
Abstract
Fluorescence properties of nanoparticles can be influenced by solvent. In this work, carbon dots (CDs) were synthesized in deep eutectic solvent by microwave assisted method. Quantum yield (QY) and size of the synthesized CDs were 41.3% and 2 nm, respectively. N/Cl -doped CDs had excellent sensitivity and selectivity for atorvastatin and detection limit was 0.8 nM. Simple and low-cost synthesis method and excellent sensitivity are advantages of this detection method for atorvastatin. The as-synthesized N/Cl-doped CDs were successfully used to determine atorvastatin in blood serum.
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Affiliation(s)
- Fereshteh Nazari
- Department of Chemistry, Faculty of Science, Ilam University, Ilam, Iran
| | - Reza Tabaraki
- Department of Chemistry, Faculty of Science, Ilam University, Ilam, Iran.
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40
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Dang VD, Ganganboina AB, Doong RA. Bipyridine- and Copper-Functionalized N-doped Carbon Dots for Fluorescence Turn Off-On Detection of Ciprofloxacin. ACS APPLIED MATERIALS & INTERFACES 2020; 12:32247-32258. [PMID: 32573196 DOI: 10.1021/acsami.0c04645] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Herein, a fluorescence turn off-on nanosensor has been successfully developed using functionalized N-doped carbon dots (N-CDs) as the label-free sensing probe for the ultrasensitive detection of Cu2+ ions first and then ciprofloxacin (CIP), one of the most commonly used antibiotics for disease control, in the presence of bipyridine. The homogeneous and narrowly distributed N-CDs with a mean size of 5.7 nm and a high quantum yield of 84% are fabricated via the hydrothermal method in the presence of citric acid and ethylenediamine as the carbon and nitrogen sources, respectively. The Cu2+ ions serve as both analyte and fluorescence quenchers in the sensing platform of N-CDs, and a good linear response to Cu2+ in the range of 0.01-0.35 μM with a limit of detection (LOD) of 0.076 nM is observed. Then, 0.35 μM Cu2+ is used as the fluorescence quencher of N-CDs to build up the fluorescence turn off-on sensing probe for the detection of CIP using bipyridine (bipy) as the linker for CIP and Cu2+ ions. The addition of CIP to the bipy-Cu@N-CD composites triggers the formation of CIP-bipy-Cu conjugate as well as the release of N-CDs, resulting in the recovery of fluorescence intensity after 6 min of incubation. The sensing probe exhibits a two-phase linear response to CIP in the concentration range of 0.05-1 and 1-50 μM with a LOD of 0.4 nM. In addition, the bipy-Cu@N-CD probe shows high sensitivity toward CIP over the 19 other interferences. Good recovery of 96-110% is also observed when 0.1-0.9 μM CIP is spiked into the real samples. Results obtained in this study clearly demonstrate a newly developed sensing platform with rapid detection of metal ions and antibiotics, which can open an avenue to develop highly efficient and robust sensing probes for the detection of metal ions, organic metabolites, and biomarkers in biological applications.
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Affiliation(s)
- Van Dien Dang
- Institute of Environmental Engineering, National Chiao Tung University, 1001, University Road, Hsinchu 30010, Taiwan
- Faculty of Environment-Resources and Climate Change, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan, Tay Thanh, Ho Chi Minh City 700000, Vietnam
| | - Akhilesh Babu Ganganboina
- Research Institute of Green Science and Technology, University of Shizuoka, Shizuoka 422-8529, Japan
| | - Ruey-An Doong
- Institute of Analytical and Environmental Sciences, National Tsing Hua University, 101, Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
- Faculty of Science and Technology, Airlangga University, Surabaya 60115, Indonesia
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41
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Li B, Liu Y, Rogachev AV, Yarmolenko VA, Rogachev AA, Pyzh AE, Jiang X, Yarmolenko MA. Features of electron beam deposition of polymer coatings with the prolonged release of the drug component. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110730. [PMID: 32204041 DOI: 10.1016/j.msec.2020.110730] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/03/2020] [Accepted: 02/03/2020] [Indexed: 12/25/2022]
Abstract
The first part of the paper provides a comprehensive analysis of the features of electron beam formation of polymer coatings with the prolonged release of the drug compound using ciprofloxacin and clotrimazole as an example. The influence features of the low-energy electron beam on the molecular structure of medicinal chemical preparations have been established. The impossibility of producing the coatings based on medicinal compounds with a complex molecular structure (vancomycin, micafungin, etc.) by a low-energy electron beam has been justified. The second part of the paper introduces a fundamentally new vacuum method for the formation of the composite coatings based on antibiotics and antifungal drugs, accompanied by the prolonged release of the drug component. This method allows the formation of composite coatings based on medicinal compounds with a complex molecular structure. It is effective for modifying implants to prevent the risk of implant-associated infectious complications which are the result of the occurrence of mixed biofilms. The method can be used to form composite layers based on topical antitumor drugs for cancer control.
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Affiliation(s)
- Beibei Li
- International Chinese-Belorussian Scientific laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei street, Nanjing 210094, China
| | - Yiming Liu
- International Chinese-Belorussian Scientific laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei street, Nanjing 210094, China
| | - A V Rogachev
- International Chinese-Belorussian Scientific laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei street, Nanjing 210094, China; Francisk Skorina Gomel State University, 104, Sovetskaya street, Gomel 246019, Belarus
| | - V A Yarmolenko
- Gomel State Medical University, 5, Lange street, Gomel 246000, Belarus
| | - A A Rogachev
- International Chinese-Belorussian Scientific laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei street, Nanjing 210094, China; Francisk Skorina Gomel State University, 104, Sovetskaya street, Gomel 246019, Belarus
| | - A E Pyzh
- Institute of physiology National Academy of Sciences of Belarus, 28, Academicheskaya street, Minsk 220072, Belarus
| | - Xiaohong Jiang
- International Chinese-Belorussian Scientific laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei street, Nanjing 210094, China.
| | - M A Yarmolenko
- International Chinese-Belorussian Scientific laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei street, Nanjing 210094, China; Francisk Skorina Gomel State University, 104, Sovetskaya street, Gomel 246019, Belarus
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Xia H, Peng M, Li N, Liu L. CdSe quantum dots-sensitized FRET system for ciprofloxacin detection. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2019.137085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Wang W, Sang Q, Yang M, Du J, Yang L, Jiang X, Han X, Zhao B. Detection of several quinolone antibiotic residues in water based on Ag-TiO 2 SERS strategy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 702:134956. [PMID: 31710852 DOI: 10.1016/j.scitotenv.2019.134956] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 10/05/2019] [Accepted: 10/11/2019] [Indexed: 05/05/2023]
Abstract
Herein, a surface-enhanced Raman scattering (SERS) strategy based on semiconducting substrate was exploited for detection of several antibiotic residues both in ultrapure water system and in actual water system. The as-prepared Ag-TiO2 (Ag synchronously deposited and doped TiO2) nanoparticle SERS-active substrate can achieve high sensitive SERS detection for difloxacin hydrochloride, ciprofloxacin, enrofloxacin, danofloxacin and enoxacin (five widely used quinolone antibiotics) in actual water samples, and the detection limits are as low as 4.36 × 10-12, 7.08 × 10-11, 3.94 × 10-11, 3.16 × 10-11 and 3.15 × 10-10 mol/L, respectively. These detection limits are far below the maximum of residue limit (3.01 × 10-7 mol/L) stipulated by the European Union. And, the desirable quantitative relationships can be obtained in a wide concentration range. The recoveries of five antibiotic residues from spiked actual water samples are found to be more than 80.8% with the relative standard deviations between 2.1% and 4.7%. Even, the proposed SERS method can accurately distinguish every antibiotic species from a mixed antibiotic residue sample with multiple antibiotics. And, Ag-TiO2 nanoparticles can also serve as an efficient photocatalyst for photocatalytic degradation of these antibiotic residues, which provides a multi-functional platform for synchronous determination and degradation of antibiotic residues in real environment.
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Affiliation(s)
- Weie Wang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China; College of Materials Science and Engineering, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Qinqin Sang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Ming Yang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Juan Du
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Libin Yang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China; College of Materials Science and Engineering, Jiamusi University, Jiamusi 154007, People's Republic of China.
| | - Xin Jiang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Xiaoxia Han
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, People's Republic of China
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, People's Republic of China
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Lu C, Liu G, Yang Z, Wang Y, Rao H, Zhang W, Jing B, Wang X. A ratiometric fluorometric ciprofloxacin assay based on the use of riboflavin and carbon dots. Mikrochim Acta 2019; 187:37. [PMID: 31823018 DOI: 10.1007/s00604-019-3888-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 09/30/2019] [Indexed: 02/08/2023]
Abstract
Carbon dots (CDs) were hydrothermally synthesized from selenious yeast. They were further coupled with riboflavin to form a dually emitting probe for ciprofloxacin (CIP). Under 370 nm excitation, the probe displays dual (blue and green) emissions with peaks at 443 and 510 nm. When CIP is added, the blue fluorescence of the CDs is enhanced while the green fluorescence remains unaffected. The ratio of the relative fluorescence intensities at 443 and 510 nm increases linearly in the 0.5-200 μM CIP concentration range. The fluorescent probe is selective and has a 0.13 μM detection limit. Satisfactory recoveries (97.9-101.1%) were received when the probe was used to quantify CIP in spiked water and human serum samples. Graphical abstractBlue-emissive carbon dots were prepared from selenious yeast via a hydrothermal method, and then coupled with riboflavin as a ratiometric fluorometric probe for ciprofloxacin determination.
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Affiliation(s)
- Changfang Lu
- College of Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Guanhui Liu
- College of Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Zhouping Yang
- College of Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Yanying Wang
- College of Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Hanbing Rao
- College of Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Wei Zhang
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Bo Jing
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Xianxiang Wang
- College of Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
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Magnetic covalent organic frameworks with core-shell structure as sorbents for solid phase extraction of fluoroquinolones, and their quantitation by HPLC. Mikrochim Acta 2019; 186:827. [DOI: 10.1007/s00604-019-3757-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 08/11/2019] [Indexed: 11/27/2022]
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46
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Cui X, Cao D, Djellabi R, Qiao M, Wang Y, Zhao S, Mao R, Gong Y, Zhao X, Yang B. Enhancement of Ni/NiO/graphitized carbon and β-Cyclodextrin/reduced graphene oxide for the electrochemical detection of norfloxacin in water sample. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113407] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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47
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Ke CB, Lu TL, Chen JL. Excitation-independent dual emissions of carbon dots synthesized by plasma irradiation of ionic liquids: Ratiometric fluorometric determination of norfloxacin and mercury(II). Mikrochim Acta 2019; 186:376. [DOI: 10.1007/s00604-019-3505-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 05/12/2019] [Indexed: 11/28/2022]
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48
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CdTe quantum dots coated with a molecularly imprinted polymer for fluorometric determination of norfloxacin in seawater. Mikrochim Acta 2019; 186:362. [DOI: 10.1007/s00604-019-3440-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Accepted: 04/13/2019] [Indexed: 10/26/2022]
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49
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Studies on the visual screening method for fluoroquinolones based on the chain reaction of gold nanoparticles and its application in milk samples. Microchem J 2019. [DOI: 10.1016/j.microc.2019.01.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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50
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Liu J, Liu C, Zhou Z. A turn-on fluorescent sulfide probe prepared from carbon dots and MnO2 nanosheets. Mikrochim Acta 2019; 186:281. [DOI: 10.1007/s00604-019-3413-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 04/03/2019] [Indexed: 10/27/2022]
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