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Rodrigues FS, da Silva VAM, Segovia GBQ, Bortoluzzi AJ, Cuin A, de Souza JIR, da Silva JAB, Lourenço da Luz L, Alves Júnior S, Tonon de Almeida E, Camargo MA. Synthesis, solid state characterization, theoretical and experimental spectroscopic studies of the new lanthanide complexes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 296:122677. [PMID: 37030253 DOI: 10.1016/j.saa.2023.122677] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/15/2023] [Accepted: 03/26/2023] [Indexed: 06/19/2023]
Abstract
Three new complexes Na[Ln(pic)4]ּ⋅2.5H2O (Ln = Tb, Eu or Gd; pic = picolinate) were synthesized and characterized by infrared spectroscopy, powder X-ray diffraction and thermogravimetric analyses. The molecular structures of the complexes have been determined by single-crystal X-ray diffraction. The three isostructural lanthanide complexes crystalize in the hexagonal system with space group P6122 to Eu complex and Gd complex and space group P6522 to Tb complex. In each of the complexes, the picolinate ligands are bonded to Ln3+ and Na+ ions by different coordination modes promoting polymeric structures. The photoluminescent properties of complexes were studied and combined with theoretical studies using the density functional theory (DFT: B3LYP, PBE1PBE) and the semiempirical method AM1/Sparkle from the single crystal X-ray diffraction structures to assign a suitable model for describing the system. The B3LYP DFT functional was considered the most adequate for providing structural properties of the compounds and for describing luminescence properties. The excited triplet states (T1) and excited singlet states (S1) of the ligand were determined theoretically using Time-dependent DFT calculations (TD-DFT: B3LYP, CAM-B3LYP and LC-wPBE) and INDO/S-CIS, with the best agreement with experimental values obtained from the LC-wPBE DFT functional. The photoluminescent spectra of the complexes and their lifetime measurements were determined indicating that the Eu complex and Tb complex display different intramolecular energy transfer mechanisms with higher efficiency to ligand-to-terbium energy transfer. In addition, the experimental and theorical Judd-Ofelt intensity parameters and quantum yields of the complexes were also determined and discussed besides to a proposed 9-state diagram to describe the luminescence properties of the Eu complex. The low value of emission quantum efficiency of 5D0 emitting level of Eu(III) ion was explained by the presence of the ligand-to-metal charge transfer state (LMCT) evidenced experimentally and theoretically. A good agreement was obtained between the proposed kinetic model and experimental results showing the consistency of the set of rate equations assumed and the intramolecular pathways proposed.
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Affiliation(s)
- Fernanda Sodré Rodrigues
- Laboratório de Síntese Inorgânica e Bioinorgânica, Instituto de Química, Universidade de Brasília, Brasília, DF, Brazil
| | | | | | - Adailton João Bortoluzzi
- Laboratório de Bioinorgânica e Cristalografia (LABINC), Departamento de Química, Universidade de Santa Catarina, Florianópolis, SC, Brazil
| | - Alexandre Cuin
- Laboratório de Quimica Bioinorgânica, Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Jéssica I R de Souza
- Programa de Pós-Graduação em Ciência de Materiais, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Juliana A B da Silva
- Núcleo Interdisciplinar de Ciências Exatas e da Natureza, Campus do Agreste, Universidade Federal de Pernambuco, Caruaru, PE, Brazil; Programa de Pós-Graduação em Química, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Leonis Lourenço da Luz
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Severino Alves Júnior
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | | | - Maryene Alves Camargo
- Laboratório de Síntese Inorgânica e Bioinorgânica, Instituto de Química, Universidade de Brasília, Brasília, DF, Brazil.
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Mohamed RM, El-Sheikh SM, Kadi MW, Labib AA, Sheta SM. A novel test device and quantitative colorimetric method for the detection of human chorionic gonadotropin (hCG) based on Au@Zn-salen MOF for POCT applications. RSC Adv 2023; 13:11751-11761. [PMID: 37063717 PMCID: PMC10103075 DOI: 10.1039/d2ra07854f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/29/2023] [Indexed: 04/18/2023] Open
Abstract
The human chorionic gonadotropin (hCG) hormone is a biomarker that can predict tumors and early pregnancy; however, it is challenging to develop sensitive qualitative-quantitative procedures that are also effective, inventive, and unique. In this study, we used a novel easy in situ reaction of an organic nano-linker with Zn(NO3)2·6H2O and HAuCl4·3H2O to produce a gold-zinc-salen metal-organic framework composite known as Au-Zn-Sln-MOF. A wide variety of micro-analytical instruments and spectroscopic techniques were used in order to characterize the newly synthesized Au-Zn-Sln-MOF composite. Disclosure is provided for a novel swab test instrument and a straightforward colorimetric approach for detecting hCG hormone based on an Au-Zn-Sln-MOF composite. Both of these methods are easy. In order to validate a natural enzyme-free immunoassay, an Au-Zn-Sln-MOF composite was utilized in the role of an enzyme; a woman can use this gadget to determine whether or not she is pregnant in the early stages of the pregnancy or whether or not her hCG levels are excessively high, which is a symptom that she may have a tumor. This cotton swab test device is compatible with testing of various biological fluids, such as serum, plasma, or urine, and it can be easily transferred to the market to commercialize it as a costless kit, which will be 20-30% cheaper than what is available on the market. Additionally, it can be used easily at home and for near-patient testing (applications of point-of-care testing (POCT)).
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Affiliation(s)
- Reda M Mohamed
- Chemistry Department, Faculty of Science, King Abdul-Aziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
| | - Said M El-Sheikh
- Department of Nanomaterials and Nanotechnology, Central Metallurgical R & D Institute Cairo 11421 Egypt
| | - Mohammad W Kadi
- Chemistry Department, Faculty of Science, King Abdul-Aziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
| | - Ammar A Labib
- Department of Inorganic Chemistry, National Research Centre Cairo 12622 Egypt +201009697356
| | - Sheta M Sheta
- Department of Inorganic Chemistry, National Research Centre Cairo 12622 Egypt +201009697356
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Majumdar D, Roy S, Frontera A. The importance of tetrel bonding interactions with carbon in two arrestive iso-structural Cd(ii)-Salen coordination complexes: a comprehensive DFT overview in crystal engineering. RSC Adv 2022; 12:35860-35872. [PMID: 36545098 PMCID: PMC9753102 DOI: 10.1039/d2ra07080d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
In this article, we describe the serendipitous synthesis of two remarkable iso-structural Cd(ii)-Salen complexes [L2Cd4(OAc)2(NCS)2] in the presence of H2L and NaSCN {where L = L1 (N,N'-bis(3-methoxysalicylidene)-1,2-diaminopropane) and L = L2 (N,N'-bis(3-methoxysalicylidene)-ethylenediamine) in 1 and 2, respectively}. The complexes were characterized by using elemental analysis, SEM-EDX, PXRD, spectroscopy, and X-ray crystallography. The X-ray crystal structure revealed that both complexes crystallize in the orthorhombic space group Pbcn, with unit cell parameters: a = 20.758(6), b = 11.022(3), c = 21.396(6) Å, V = 4895(2) Å3, and Z = 4. The inner N2O2 and outer O4 compartments are essentially occupied by two different Cd(ii) metal ions resulting from the de-protonated form of the ligand (L2-) with the Cd(1) metal ions adopting a capped octahedral geometry. At the same time, Cd(2) assumes a distorted trigonal prismatic geometry. The solid-state crystal structure involves various non-covalent supramolecular interactions delineated by Hirshfeld Surface and 2D fingerprint plot analysis. Noteworthily, interesting S⋯H, O⋯H, and N⋯H contacts were observed, which have identical percentages in both complexes. The sparse tetrel bonding interactions in the complex, involving the CH3 group, were evaluated in a new dimension of DFT. We observed this privileged bonding landscape that leads to the formation of self-assembled dimers in the crystal complexes. DFT-based MEP, RDG surface, NBO, and QTAIM/NCI plot investigation quantified such unique tetrel bonding interactions.
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Affiliation(s)
- Dhrubajyoti Majumdar
- Department of Chemistry Tamralipta Mahavidyalaya Tamluk 721636 West Bengal India
| | - Sourav Roy
- Solid State and Structural Chemistry Unit, Indian Institute of Science Bangalore 560 012 India
| | - Antonio Frontera
- Department de Quimica, Universitat de les Illes Balears Cra. de Valldemossa km 7.5 Palma de Mallorca (Baleares) 07122 Spain
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Abdolmaleki S, Aliabadi A, Ghadermazi M. Two La(III) complexes containing pyridine-2,6-dicarboxylate as in vitro potent cytotoxic agents toward human lymphocyte cells. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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El-Sheikh SM, Sheta SM, Salem SR, Abd-Elzaher MM, Basaleh AS, Labib AA. Prostate-Specific Antigen Monitoring Using Nano Zinc(II) Metal-Organic Framework-Based Optical Biosensor. BIOSENSORS 2022; 12:931. [PMID: 36354440 PMCID: PMC9688191 DOI: 10.3390/bios12110931] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/21/2022] [Accepted: 10/22/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The prostate-specific antigen (PSA) is an important cancer biomarker that is commonly utilized in the diagnosis of prostate cancer. The development of a PSA determination technique that is rapid, simple, and inexpensive, in addition to highly accurate, sensitive, and selective, remains a formidable obstacle. METHODS In this study, we developed a practical biosensor based on Zn(II) metal-organic framework nanoparticles (Zn-MOFs-NPs). Many spectroscopic and microanalytical tools are used to determine the structure, morphology, and physicochemical properties of the prepared MOF. RESULTS According to the results, Zn-MOFs-NPs are sensitive to PSA, selective to an extremely greater extent, and stable in terms of chemical composition. Furthermore, the Zn-MOFs-NPs did not exhibit any interferences from other common analytes that might cause interference. The detection limit for PSA was calculated and was 0.145 fg/mL throughout a wide linear concentration range (0.1 fg/mL-20 pg/mL). CONCLUSIONS Zn-MOFs-NPs were successfully used as a growing biosensor for the monitoring and measurement of PSA in biological real samples.
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Affiliation(s)
- Said M. El-Sheikh
- Department of Nanomaterials and Nanotechnology, Central Metallurgical R & D Institute, Cairo 11421, Egypt
| | - Sheta M. Sheta
- Department of Inorganic Chemistry, National Research Centre, Cairo 12622, Egypt
| | - Salem R. Salem
- Department of Biochemistry, Egypt Centre for Research and Regenerative Medicine, Cairo 11887, Egypt
| | | | - Amal S. Basaleh
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Ammar A. Labib
- Department of Inorganic Chemistry, National Research Centre, Cairo 12622, Egypt
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Smart prototype for an electronic color sensor device for visual simultaneous detection of macrofuran based on a coated paper strip. Anal Bioanal Chem 2022; 414:8379-8388. [DOI: 10.1007/s00216-022-04374-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/30/2022] [Accepted: 10/07/2022] [Indexed: 11/30/2022]
Abstract
AbstractNowadays, in the clinical, pharmaceutical, and environmental sectors, the development of facile and sensitive analytical methods and/or innovative devices for the follow-up and detection of antibiotics and pharmaceutical formulations, in general, are urgently needed and still challenging. This work declared three vital applications for broad-spectrum nitrofurantoin (macrofuran) antibiotic detection and quantification: A colorimetric method, a coated paper strip-based nano-lanthanum complex prototype and fabrication of smart electronic color sensor device-based coated paper strips. The colorimetric method showed a significant response upon increasing the concentration of the nitrofurantoin in a range between (1.0–100.0 ng/mL) via a visual color change from orange-yellow to red colors degree with detection and quantification limits of 0.175 and 0.53 ng/mL, respectively, whereas the nano-lanthanum complex coated paper strip prototype showed qualitative on-site sensing for nitrofurantoin via naked eye color changes which can be detected anywhere. Moreover, a smart prototype for detecting macrofuran in the means of paper color change in the RGB color component extraction algorithm and the grayscale projection value processing algorithm was fabricated. The change in RGB color on the coated paper strip was detected using an electronic color sensor device. The developed colorimetric method, coated paper strip, and the electronic color sensor device prototype exhibited fast, simple, costless, and selective towards macrofuran over the competing analyzed. As well as, showed good applicability in the different real samples spiked with different concentrations of macrofuran.
Graphical abstract
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Akl MA, El-Mahdy NA, El-Gharkawy ESRH. Design, structural, spectral, DFT and analytical studies of novel nano-palladium schiff base complex. Sci Rep 2022; 12:17451. [PMID: 36261667 PMCID: PMC9582206 DOI: 10.1038/s41598-022-21406-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/27/2022] [Indexed: 01/12/2023] Open
Abstract
A novel nano-palladium (II) Schiff base complex (C1) is synthesized by the reaction between palladium chloride and the Schiff base N, N'-1, 2-phenylene) bis (3 -aminobenzamide (A1). The prepared compounds were characterized by elemental analysis, Ultraviolet-Visible spectroscopy (UV-Vis), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM) and Thermogravimetric Analysis (TGA). A combined solvent sublation-ICP OES methodology has been studied for the preconcentration, separation and determination of trace palladium (II) in media of diverse origin using the Schiff base ligand (A1). The different experimental variables that affect the sublation efficiency (S, %) were thoroughly investigated viz.: pH of sample solution; amounts of A1, Pd (II) and TBAB; type and amounts of surfactants, types of organic solvent, temperature and stirring time. The method involves the determination of trace palladium (II) after selective separation by solvent sublation, thus eliminating the effect of foreign ions and increasing the sensitivity. Also, palladium is determined directly in the organic phase, which decreases the determination time and its loss during determination. At optimum conditions, the linear range of Pd (II) was 10.0-100.0 ngmL-1. The coefficient of determination, the limit of detection (LOD) and limit of quantification (LOQ) were 0.9943, 21.29 ngL-1 and 64.5 ngL-1, respectively. This sublation method was applied to real samples and recoveries of more than 95% were obtained in the spiked samples with a preconcentration factor of 100. The mechanism of solvent sublatation of the TBA.[PdII-(A1)2] ion pairs is discussed. The computational studying was estimated to approve the geometry of the isolated solid compounds.
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Affiliation(s)
- Magda A Akl
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt.
| | - Nora A El-Mahdy
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
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Neto JGO, Neto OCS, Pedrochi F, Steimacher A, Filho JGS, de Sousa FF, Silva LM, Santos AO. Structural, vibrational, thermal, and optical properties of L-threonine crystals containing Ce3+ ions. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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9
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Yi C, Xu Z, Chen L, Ren W. Cerocene and Lanthanocene Chalcogenides: Synthesis, Structure, and Luminescence. Inorg Chem 2022; 61:5373-5379. [PMID: 35316024 DOI: 10.1021/acs.inorgchem.2c00212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of lanthanide chalcogenides {[η5-1,3-(Me3C)2C5H3]2Ln}2(μ-η2:η2-Te2) (Ln = Ce 1, La 2), {[η5-1,3-(Me3C)2C5H3]2Ln(THF)}2(μ-Se) (Ln = Ce 3, La 4), and {[η5-1,3-(Me3C)2C5H3]2Ln(THF)}2(μ-Te) (Ln = Ce 5, La 6) can be readily obtained by the reaction of the alkyl complexes [η5-1,3-(Me3C)2C5H3]2Ln(CH2C6H4-o-NMe2) with elemental selenium or tellurium in the presence of 9-borabicyclo[3.3.1]nonane (9-BBN). The reaction of the alkyl complexes [η5-1,3-(Me3C)2C5H3]2Ln(CH2C6H4-o-NMe2) with 9-BBN in 1:2 molar ratio afforded the lanthanide (cyclooctane-1,5-diyl)dihydroborate complexes [η5-1,3-(Me3C)2C5H3]2Ln[(μ-H)2BC8H14] (Ln = Ce 7, La 8) concomitant with the (Me2N-o-C6H4CH2)BC8H14 release, indicating that [η5-1,3-(Me3C)2C5H3]2LnH may be the reactive species for the synthesis of lanthanide chalcogenides. All the new compounds were characterized by various spectroscopic methods, and their solid-state structures were further confirmed by single-crystal X-ray diffraction analyses. Luminescence spectroscopy was also employed to characterize complexes 1-6. The Ce(III) complexes 3 and 5 display distinct luminescence properties at room temperature, as compared to the corresponding La(III) complexes 4 and 6. The complex {[η5-1,3-(Me3C)2C5H3]2Ce(THF)}2(μ-Te) (5) exhibits unexpectedly red emission in solution which is found to depend strongly on the excitation wavelength.
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Affiliation(s)
- Chengkun Yi
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Ziyi Xu
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Liang Chen
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Wenshan Ren
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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Molecular recognition, characterization and biological importance of tetrabutylammonium hexanitrate cerium (III) complex. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02091-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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11
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Majumdar D, Elizabeth Philip J, Roy S, Tüzün B. Reinvigorate the synthesis, spectroscopic findings, SEM morphology investigation, and antimicrobial silhouette of contemporary Salen ligands: A comprehensive DFT landscape. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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12
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Zhang H, Tang BZ. Through-Space Interactions in Clusteroluminescence. JACS AU 2021; 1:1805-1814. [PMID: 34841401 PMCID: PMC8611663 DOI: 10.1021/jacsau.1c00311] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Indexed: 05/16/2023]
Abstract
Conventional π-conjugated luminophores suffer from problems such as emission quenching, biotoxicity, environmental pollution, etc. The emerging nonconjugated and nonaromatic clusteroluminogens (CLgens) are expected to overcome these stubborn drawbacks, so research of CLgens shows great significance not only for practical application but also for the construction of fundamental photophysical theories. This perspective summarizes the unusual features of CLgens in comparison to traditional chromophores, such as nonconjugated molecular structures, unmatched absorption and excitation, excitation-dependent luminescence, multiple emission peaks, and room-temperature phosphorescence. Different from the theory of through-bond conjugation in π-conjugated luminophores, through-space interactions, including through-space n···n interaction and through-space n···π interaction, are regarded as the emitting sources of nonconjugated CLgens. In addition, the formation of network clusters is proposed as an efficient strategy to improve the performance of CLgens, and their potential applications of anticounterfeiting, photoelectronic devices, and bioimaging are prospected.
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Affiliation(s)
- Haoke Zhang
- MOE
Key Laboratory of Macromolecular Synthesis and Functionalization,
Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
- ZJU-Hangzhou
Global Scientific and Technological Innovation Center, Hangzhou 311215, China
- Guangdong
Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
| | - Ben Zhong Tang
- Shenzhen
Institute of Aggregate Science and Technology, School of Science and
Engineering, The Chinese University of Hong
Kong, Shenzhen 518172, China
- Center
for Aggregation-Induced Emission, SCUT-HKUST Joint Research Institute,
State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
- AIE Institute, Guangzhou 510530, China
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Sheta SM, Abd-Elzaher MM, El-Sheikh SM. A novel nano-lanthanum complex: synthesis, characterization and application as a macrofuran chemosensor in pharmaceutical, biological and environmental samples. RSC Adv 2021; 11:9675-9681. [PMID: 35423443 PMCID: PMC8695408 DOI: 10.1039/d0ra10116h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/16/2021] [Indexed: 12/27/2022] Open
Abstract
Macrofuran is widely used as an antibiotic for the treatment of urinary tract infections. Nevertheless, it is prohibited due to toxicity and environmental concerns. The development of a fast, simple, and cost-effective approach for the determination of macrofuran antibiotic (MFA) is still a challenge. Herein, we report a chemosensor based on a nano-lanthanum complex derived from phenylenediamine. The physicochemical properties and structure of the prepared complex were confirmed using different spectroscopic tools such as X-ray diffraction (XRD), scanning electron microscopy equipped with EDX, elemental analysis, Fourier transform-infrared (FT-IR) spectroscopy, UV-vis spectroscopy, mass spectroscopy and photoluminescence (PL). The nano-lanthanum complex was found to be chemically stable, highly sensitive and selective to MFA, without interference from other common antibiotics. The limit of detection for MFA was 0.025 ng mL-1, over a linear concentration range of 0.02-30.0 ng mL-1, with a correlation coefficient of 0.994. The nano-lanthanum complex can be used successfully as a promising chemosensor for MFA determination in pharmaceutical formulation and different biological samples (whole blood-serum-plasma). In addition, this approach will protect human beings from the environmental hazards of antibiotics through the detection of the low limit of MFA. Meanwhile, the mechanism of interaction between the nano-lanthanum complex and MFA was studied and investigated.
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Affiliation(s)
- Sheta M Sheta
- Inorganic Chemistry Department, National Research Centre 33, El-Behouth St., Dokki Giza 12622 Egypt +20-02-33370931 +20 1009697356
| | - Mohkles M Abd-Elzaher
- Inorganic Chemistry Department, National Research Centre 33, El-Behouth St., Dokki Giza 12622 Egypt +20-02-33370931 +20 1009697356
| | - Said M El-Sheikh
- Nanomaterials and Nanotechnology Department, Central Metallurgical R & D Institute Cairo 11421 Egypt
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14
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Manganese Metal–Organic Framework: Chemical Stability, Photoluminescence Studies, and Biosensing Application. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-01888-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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15
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Biophysical and theoretical investigation of benzo[c]coumarin functionalized Schiff base with human serum albumin. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-020-01496-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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16
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Arumugam S, Shankar B, Mondal KC. Redox Active Hexanuclear Mixed Valence Dicationic Ce(III)/Ce(IV) Coordination Clusters. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000659] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Selvakumar Arumugam
- Department of Chemistry Indian Institute of Technology Madras 600036 Chennai India
| | - Bhaskaran Shankar
- Department of Chemistry Indian Institute of Technology Madras 600036 Chennai India
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Triazole Containing Salicylimine Linked Organosilocane for Recognition of Ce3+ Ions in Aqueous Media. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01780-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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18
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Hou JL, Bi Y, Xiao YH, Wu HY, Sun CB, Chen W. Synthesis, X-ray crystal structures, and biological activity copper(II) and nickel(II) complexes derived from 5-bromo-2-((2-hydroxyethylimino)methyl)phenol. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1812645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jin-Long Hou
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, People's Republic of China
| | - Ye Bi
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, People's Republic of China
| | - Ying-Hui Xiao
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, People's Republic of China
| | - Hong-Yuan Wu
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, People's Republic of China
| | - Cheng-Bin Sun
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, People's Republic of China
| | - Wei Chen
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, People's Republic of China
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Carbon dots doped tungstic anhydride on graphene oxide nanopanels: A new picomolar-range creatinine selective enzymeless electrochemical sensor. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 113:111010. [DOI: 10.1016/j.msec.2020.111010] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/14/2020] [Accepted: 04/21/2020] [Indexed: 02/07/2023]
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20
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Akl MA, El-gharkawy ESR, El-mahdy NA, El-Sheikh SM, Sheta SM. A novel nano copper complex: potentiometry, DFT and application as a cancer prostatic biomarker for the ultrasensitive detection of human PSA. Dalton Trans 2020; 49:15769-15778. [DOI: 10.1039/d0dt03318a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A novel analytical approach for cancer prostatic biomarker by PSA detection using nano-Cu(II)-complex.
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Affiliation(s)
- Magda A. Akl
- Chemistry Department
- Faculty of Science
- Mansoura University
- Mansoura
- Egypt
| | | | - Nora A. El-mahdy
- Chemistry Department
- Faculty of Science
- Mansoura University
- Mansoura
- Egypt
| | - Said M. El-Sheikh
- Nanomaterials and Nanotechnology Department
- Central Metallurgical R & D Institute
- Cairo
- Egypt
| | - Sheta M. Sheta
- Inorganic Chemistry Department
- National Research Centre
- Egypt
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