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Ikram M, Naz M, Haider A, Shahzadi I, Mehboob HU, Bari MA, Ul-Hamid A, Algaradah MM, Al-Anazy MM. Carbon sphere doped CdS quantum dots served as a dye degrader and their bactericidal behavior analysed with in silico molecular docking analysis. NANOSCALE ADVANCES 2023; 6:233-246. [PMID: 38125601 PMCID: PMC10729918 DOI: 10.1039/d3na00579h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/15/2023] [Indexed: 12/23/2023]
Abstract
We have employed a co-precipitation method to synthesize different concentrations of carbon spheres (CSs) doped with cadmium sulfide (CdS) quantum dots (QDs) for catalytic reduction and antibacterial applications. Various morphological and structural characterization techniques were used to comprehensively analyze the CS effect on CdS QDs. The catalytic reduction efficiency of CS-doped CdS QDs was evaluated using rhodamine B dye. The antibacterial efficacy was also assessed against the pathogenic microorganism Escherichia coli (E. coli), and substantial destruction in the inhibitory zone was measured. Finally, the synthesized CS-doped CdS QDs demonstrated favorable results for catalytic reduction and antibacterial applications. Computational studies verified the suppressive impact of these formed QDs on DNA gyrase and β-lactamase of E. coli.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - Misbah Naz
- Department of Chemistry, University of Education Township Lahore 54000 Pakistan
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture 66000 Multan Punjab Pakistan
| | - Iram Shahzadi
- School of Pharmacy, University of Management and Technology Lahore 54770 Pakistan
| | - Hafiz Umar Mehboob
- Department of Chemistry, University of Education Township Lahore 54000 Pakistan
| | - Muhammad Ahsaan Bari
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | | | - Murefah Mana Al-Anazy
- Department of Chemistry, College of Sciences, Princess Nourah bint Abdulrahman University (PNU) P.O. Box 84428 Riyadh 11671 Saudi Arabia
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Ikram M, Shujah T, Shahzadi A, Haider A, Rafique A, Ul-Hamid A, Nabgan W, Haider SK, Alshahrani T, Algaradah MM, Yousaf SA, Haider J. Multiple phases of yttrium-doped molybdenum trioxide nanorods as efficient dye degrader and bactericidal agents with molecular docking analysis. CHEMOSPHERE 2023; 340:139855. [PMID: 37611764 DOI: 10.1016/j.chemosphere.2023.139855] [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: 03/13/2023] [Revised: 06/15/2023] [Accepted: 08/15/2023] [Indexed: 08/25/2023]
Abstract
Contaminants removal is usually becoming an exciting subject of research from water considering their environmental and ecological effects. This work provides pathways to remove organic pollutants from water via nanomaterials and is used as an antibiotic against bacteria like Escherichia coli (E. coli). In this study, molybdenum trioxide (MoO3) and yttrium (Y) doped (2 and 4%) MoO3 nanorods were synthesized by co-precipitation method. Advanced characterization techniques have been introduced to study textural structures, morphological developments, and optical characteristics of produced products. X-ray diffraction studied multiple crystalline structures of prepared samples as hexagonal, orthorhombic, and monoclinic of pure MoO3 with decrease in crystallinity and crystallite size upon Y doping. UV-visible spectroscopy unveiled a redshift (bathochromic effect) in absorption pattern attributed to band gap energy (Eg) decreases. Photoluminescence spectra examined the recombination rate of electrons (e-) and holes (h+) as charge carriers. A sufficient catalytic activity (CA) was observed against methylene blue (MB) dye in an acidic medium (99.74%) and efficient bactericidal action was studied against (E. coli) with zone of inhibition (5.20 mm) for 4% Y-doped MoO3. In addition, in silico docking demonstrated potential inhibitory effect of produced nanomaterials on FabH and FabI enzymes of fatty acid biosynthesis.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College, University Lahore, Lahore, 54000, Punjab, Pakistan.
| | - Tahira Shujah
- Department of Physics, University of Central Punjab, Lahore, 54000, Punjab, Pakistan
| | - Anum Shahzadi
- Facutly of Pharmacy, The University of Lahore, Lahore, Pakistan
| | - Ali Haider
- Department of Clinical Medicine, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture, 66000, Multan, Punjab, Pakistan
| | - Aqsa Rafique
- Solar Cell Applications Research Lab, Department of Physics, Government College, University Lahore, Lahore, 54000, Punjab, Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
| | - Walid Nabgan
- Departament d'Enginyeria Química, Universitat Rovira I Virgili, 43007, Tarragona, Spain.
| | - Syed Karrar Haider
- Department of Physics, University of Central Punjab, Lahore, 54000, Punjab, Pakistan
| | - Thamraa Alshahrani
- Department of Physics, College of Sciences, Princess Nourah bint Abdulrahman University (PNU), P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | | | - S Amber Yousaf
- Department of Physics, University of Central Punjab, Lahore, 54000, Punjab, Pakistan
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
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Waqas M, Shahzadi A, Haider A, Hamid AU, Algaradah MM, Abd-Rabboh HSM, Ikram M. Chitosan grafted polyacrylic acid doped MnO 2 nanocomposite an efficient dye degrader and antimicrobial agent. Int J Biol Macromol 2023; 251:126343. [PMID: 37586627 DOI: 10.1016/j.ijbiomac.2023.126343] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/31/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
Manganese dioxide (MnO2) nanorods and (3, 6, and 9 mL) chitosan grafted polyacrylic acid (CS-g-PAA) doped MnO2 were prepared hydrothermally. The study objective is to decrease the recombination rate of MnO2 upon doping to enhance the dye degradation efficiency and antimicrobial activity. The doping-dependent properties of CS-g-PAA on phase identification, functional groups, optical characteristics, elemental compositions, and morphological analyses of MnO2 nanorods were conducted using systematic characterization techniques. XRD pattern shows that MnO2 has a tetragonal structure, with increased crystallite size (15.87 to 29.36 nm) upon doping. The TEM analysis showed that MnO2 has nanorods and that CS-g-PAA doped MnO2 displayed nanoflakes-like structures. The decrease in electron-hole pair recombination rate on doping was verified by PL spectroscopy, demonstrating the enhanced catalytic activity. Moreover, adding grafted binary polymers to MnO2 inhibits bacterial cell growth by binding with the negatively charged cell wall and preventing biofilm formation. The 9 mL doped sample displayed a maximum degradation (99.27 %) in a neutral medium and 85.84 % antimicrobial efficiency against E. coli. The enoyl-acyl carrier protein reductase (FabIE. coli) and DNA gyrase(E. coli) were inhibited by these CS-g-PAA doped MnO2 nanostructures (NSs), as shown by in silico molecular docking studies.
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Affiliation(s)
- Muhammad Waqas
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
| | - Anum Shahzadi
- Faculty of Pharmacy, The University of Lahore, Lahore 54000, Pakistan
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture, 66000 Multan, Punjab, Pakistan
| | - Anwar Ul Hamid
- Core Research Facilities, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | | | - Hisham S M Abd-Rabboh
- Chemistry Department, Faculty of Science, King Khalid University, P.O.Box 9004, Abha 61413, Saudi Arabia
| | - Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan.
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Pornea AG, Choi KI, Jung JH, Hanif Z, Kwak C, Kim J. Enhancement of Isotropic Heat Dissipation of Polymer Composites by Using Ternary Filler Systems Consisting of Boron Nitride Nanotubes, h-BN, and Al 2O 3. ACS OMEGA 2023; 8:24454-24466. [PMID: 37457480 PMCID: PMC10339413 DOI: 10.1021/acsomega.3c02246] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/19/2023] [Indexed: 07/18/2023]
Abstract
In this research article, a poly(dimethylsiloxane) (PDMS)-based composite was postulated adapting an interactive ternary filler system consisting of Al2O3, hexagonal boron nitride (h-BN), and boron nitride nanotubes (BNNT) to construct a continuous three-dimensional (3D) structure for thermal attenuation. Al2O3 was imposed as a main filler, while h-BN and BNNT were assimilated to form interconnected heat conduction pathways for effective thermal dissipation. The structured framework articulates a profound improvement in isotropic thermal conductivity considering both axial and radial heat dissipation. The presence of h-BN entails uniform heat distribution in a planar mode, eliminating the occurrence of hotspots, while BNNT constructed a connecting phonon pathway in various directions, which insinuates effective overall thermal transport. The generated ternary filler composites attained an isotropic ratio of 1.35 and a thermal conductivity of 7.50 W/mK, which is a 36-fold (∼3650%) increase compared to neat PDMS resin and almost 3-fold (∼297%) that of the Al2O3 unary filler composite and ∼53% that of its binary counterpart, partaking interfacial thermal gaps of ∼36.15 and ∼62.24% on practical heating performance relative to its counterparts. Moreover, the incorporation of BNNT on a traditional spherical and planar filler offers an advantage not only in thermal conductivity but also in thermal and structural stability. Improvement in thermal stability is stipulated due to a melting point (Tm) shift of ∼11 °C upon the assimilation of BNNT. Mechanical permeance reinforcement was also observed with the presence of BNNT, showcasing a 31.5% increase in tensile strength and a 53% increase in Young's modulus relative to the singular filler composite. This exploration administers a new insight into heat dissipation phenomena in polymeric composites and proposes a simple approach to their design and assembly.
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Affiliation(s)
- Arni Gesselle
M. Pornea
- R&D
Center, Naieel Technology, 6-2 Yuseongdaero 1205, 2nd FL, Daejeon 34104, Republic of Korea
| | - Ki-In Choi
- R&D
Center, Naieel Technology, 6-2 Yuseongdaero 1205, 2nd FL, Daejeon 34104, Republic of Korea
| | - Jung-Hwan Jung
- R&D
Center, Naieel Technology, 6-2 Yuseongdaero 1205, 2nd FL, Daejeon 34104, Republic of Korea
| | - Zahid Hanif
- R&D
Center, Naieel Technology, 6-2 Yuseongdaero 1205, 2nd FL, Daejeon 34104, Republic of Korea
| | - Cheolwoo Kwak
- CMT
Co., Ltd., 322 Teheran-ro,
Hanshin Intervalley 24 East Bldg., Gangnam-gu, Seoul 06211, Republic of Korea
| | - Jaewoo Kim
- R&D
Center, Naieel Technology, 6-2 Yuseongdaero 1205, 2nd FL, Daejeon 34104, Republic of Korea
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Shujah T, Shahzadi A, Haider A, Mustajab M, Haider AM, Ul-Hamid A, Haider J, Nabgan W, Ikram M. Molybdenum-doped iron oxide nanostructures synthesized via a chemical co-precipitation route for efficient dye degradation and antimicrobial performance: in silico molecular docking studies. RSC Adv 2022; 12:35177-35191. [PMID: 36540207 PMCID: PMC9732929 DOI: 10.1039/d2ra07238f] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 11/24/2022] [Indexed: 07/25/2023] Open
Abstract
In this research, various concentrations of molybdenum (2, 4 and 6 wt%) doped Fe3O4 nanostructures (Mo-Fe3O4 NSs) were prepared via a co-precipitation technique. Various techniques were then used to investigate the optical, morphological and structural properties of the NSs in the presence of the dopant materials. X-ray diffraction (XRD) was used to investigate the crystalline nature of the prepared NSs and confirm the orthorhombic and tetragonal structure of Fe3O4, with a decrease in crystallinity and crystallite sizes of 36.11, 38.45, 25.74 and 24.38 nm with increasing concentration of Mo (2, 4 and 6%). Fourier-transform infrared (FTIR) spectroscopy analysis was carried out to examine the functional groups in the NSs. Structure, surface morphology and topography were examined via field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM), which confirmed the fabrication of nanoparticles and nanorods and a floccule-like morphology with a higher doping concentration and the interlayer d-spacing was calculated using high-resolution (HR)TEM, the results of which were a good match to the XRD data. The presence of Mo, Fe and O in a lattice of Mo (2, 4 and 6%) doped Fe3O4 was confirmed by energy dispersive X-ray spectroscopy (EDS) analysis. The energy band gap (E g) was measured via the optical analysis of pure and doped samples, showing a decrease from 2.76 to 2.64 eV. The photoluminescence (PL) spectra exhibit a higher charge combination rate of electron-hole pairs with a higher concentration of doping. The NSs exhibited excellent catalytic activity (CA) in degrading methylene blue (MB) dye in a basic medium by around 86.25%. Additionally, the antimicrobial activity was tested against Escherichia coli (E. coli) bacteria. Pairs of electrons and holes are the fundamental basis for generating reactive oxygen species that kill bacteria. The significant inhibition zones were calculated against E. coli bacteria at around 3.45 mm compared to ciprofloxacin. In silico docking investigations of the Mo-Fe3O4 NSs for dihydropteroate synthase (DHPS, binding score: 6.16 kcal mol-1), dihydrofolate reductase (DHFR, binding score: 6.01 kcal mol-1), and β-ketoacyl-acyl carrier protein synthase III (FabH, binding score: 5.75 kcal mol-1) of E. coli show the suppression of the aforementioned enzymes as a potential mechanism besides their microbicidal assay.
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Affiliation(s)
- Tahira Shujah
- Department of Physics, University of Central Punjab Lahore 54000 Punjab Pakistan
| | - Anum Shahzadi
- Faculty of Pharmacy, The University of Lahore Lahore Pakistan
| | - Ali Haider
- Department of Clinical Medicine, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture Multan Punjab 66000 Pakistan
| | - Muhammad Mustajab
- Department of Physics, University of Central Punjab Lahore 54000 Punjab Pakistan
| | - Afsah Mobeen Haider
- Department of Physics, University of Central Punjab Lahore 54000 Punjab Pakistan
| | - Anwar Ul-Hamid
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore Lahore Punjab Pakistan
- Core Research Facilities, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin 300308 China
| | - Walid Nabgan
- Departament d'Enginyeria Química, Universitat Rovira i Virgili 43007 Tarragona Spain
| | - Muhammad Ikram
- Department of Physics, University of Central Punjab Lahore 54000 Punjab Pakistan
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Srinivas K, Ma F, Liu Y, Zhang Z, Wu Y, Chen Y. Metal-Organic Framework-Derived Fe-Doped Ni 3Se 4/NiSe 2 Heterostructure-Embedded Mesoporous Tubes for Boosting Oxygen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2022; 14:52927-52939. [PMID: 36382691 DOI: 10.1021/acsami.2c16133] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
It is crucial but challenging to promote sluggish kinetics of oxygen evolution reaction (OER) for water splitting via finely tuning the hierarchical nanoarchitecture and electronic structure of the catalyst. To address such issues, herein we present iron-doped Ni3Se4/NiSe2 heterostructure-embedded metal-organic framework-derived mesoporous tubes (Ni-MOF-Fe-Se-400) realized by an interfacial engineering strategy. Due to the hierarchical nanoarchitecture of conductive two-dimensional nanosheet-constructed MOF-derived mesoporous tubes, coupled with fine tuning of the electronic structure via Fe-doping and interactions between Ni3Se4/NiSe2 heterostructures, the Ni-MOF-Fe-Se-400 catalyst delivers superior OER activity: it requires only a low overpotential of 242 mV to achieve 10 mA cm-2 (Ej=10), surpassing the benchmark RuO2 (Ej=10 = 286 mV) and displays exceptional durability in the chronoamperometric i-t test with a small current decay (6.2%) after 72 h. Furthermore, the water splitting system comprises a Ni-MOF-Fe-Se-400 anode and a Pt/C cathode requires a low cell voltage of 1.576 V to achieve Ej=10 with an excellent Faradic efficiency (∼100%), outperforming the RuO2-Pt/C combination. This work presents a novel interfacial engineering strategy to finely adjust the morphology and electronic structure of the non-noble metal-based OER catalyst via a facile fabrication method.
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Affiliation(s)
- Katam Srinivas
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu610054, PR China
| | - Fei Ma
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu610054, PR China
| | - Yanfang Liu
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu610054, PR China
| | - Ziheng Zhang
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu610054, PR China
| | - Yu Wu
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu610054, PR China
| | - Yuanfu Chen
- School of Electronic Science and Engineering, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu610054, PR China
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Sen SK, Munshi MR, Kumar A, Mortuza AA, Manir MS, Islam MA, Hossain MN, Hossain MK. Structural, optical, magnetic, and enhanced antibacterial properties of hydrothermally synthesized Sm-incorporating α-MoO 3 2D-layered nanoplates. RSC Adv 2022; 12:34584-34600. [PMID: 36545635 PMCID: PMC9716563 DOI: 10.1039/d2ra05304g] [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: 08/24/2022] [Accepted: 11/24/2022] [Indexed: 12/04/2022] Open
Abstract
In this study, we have synthesized pristine and [0.5,1.5, and 2.5] M% samarium (Sm)-incorporating α-MoO3 2D-layered nanoplates utilizing a facile hydrothermal process, and investigated the physical properties along with antibacterial effectiveness. X-ray diffraction (XRD) patterns confirmed the single-phase, stable orthorhombic polycrystalline structure of the as-prepared samples. The crystallite size, lattice strain, and dislocation density were measured using both Debye-Scherrer (D-S) and Williamson-Hall (W-H) techniques. Both pristine and Sm-incorporating α-MoO3 samples showed two-dimensional (2D) layered nanoplate-type surface morphology, revealed by field emission scanning electron microscopy (FE-SEM) images. Energy dispersive X-ray spectroscopy (EDS) confirmed the presence of Sm contents in the α-MoO3 matrix. After Sm incorporation in α-MoO3, the different functional groups as well as vibrational groups were observed by Fourier-transform infrared (FTIR) spectroscopy and Raman spectroscopy analyses, respectively. The optical band gaps were measured from UV-vis diffuse reflectance spectroscopy (DRS) by employing the Kubelka-Munk formula and interestingly it is found that the bandgap energy (E g) gradually decreased from 2.96 to 2.83 eV with the increment of Sm content. When compared to pristine α-MoO3, the Sm-incorporating samples experienced a steady improvement in room temperature ferromagnetic (RTFM) behavior as Sm content increased, as measured by hysteresis loops. The antibacterial activities of both samples were assessed against Gram-positive: Staphylococcus aureus (S. aureus), and Gram-negative: Escherichia coli (E. coli) and Salmonella enteritidis (S. enteritidis) bacteria by the agar well diffusion method and enhanced antibacterial activity was observed as the Sm concentration increased, compared to pristine nanoplates. The obtained results suggest that the synthesized Sm-incorporating α-MoO3 2D-layered nanoplate could be a potential antibacterial agent.
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Affiliation(s)
- Sapan Kumar Sen
- Institute of Electronics, Atomic Energy Research Establishment, Bangladesh Atomic Energy CommissionDhaka 1349Bangladesh
| | - M. Rajib Munshi
- Department of Physics, European University of BangladeshDhaka 1216Bangladesh
| | - Arup Kumar
- Materials Science Division, Atomic Energy Centre, Bangladesh Atomic Energy CommissionDhaka 1000Bangladesh
| | - A. A. Mortuza
- Institute of Electronics, Atomic Energy Research Establishment, Bangladesh Atomic Energy CommissionDhaka 1349Bangladesh
| | - M. S. Manir
- Institute of Radiation and Polymer Technology, Atomic Energy Research Establishment, Bangladesh Atomic Energy CommissionDhaka 1349Bangladesh
| | - M. A. Islam
- Department of Physics, University of BarishalBarishal 8200Bangladesh
| | - M. N. Hossain
- Department of Glass & Ceramic Engineering, Bangladesh University of Engineering & TechnologyDhaka 1000Bangladesh
| | - M. Khalid Hossain
- Institute of Electronics, Atomic Energy Research Establishment, Bangladesh Atomic Energy CommissionDhaka 1349Bangladesh
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Bhuvaneswari C, Palpandi K, Amritha B, Paunkumar P, Lakshmi Priya R, Raman N, Ganesh Babu S. Conniving for the first time of BiVO4 - rGO/CE-BN and its Potential as enhanced electrochemical sensing of non-steroidal anti-androgen drug. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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9
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Zhu L, Shi L, Tan Y, Zhang H, Yin J, Xu C, Wu D, Ma Y. Dual-emissive ratiometric fluorescent nanosensor based on multi-nanomaterials for Ag + determination in lake water. RSC Adv 2022; 12:30113-30119. [PMID: 36329933 PMCID: PMC9585436 DOI: 10.1039/d2ra05167b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 10/07/2022] [Indexed: 11/07/2022] Open
Abstract
In this study, a sensitive ratiometric fluorescent nanosensor was constructed using a facile one-pot method by encapsulating carbon dots (CDs) and cadmium telluride quantum dots (CdTe QDs) into the pore cavities of a metal-organic framework (ZIF-8). In this nanosensor (CD/CdTe QD@ZIF-8), the fluorescence attributed to CdTe QDs was quenched by silver ions (Ag+), and the fluorescence intensity of CDs did not change. The introduction of ZIF-8 into the system can not only adsorb Ag+ but also easily separate CDs and CdTe QDs from the matrix. The developed CD/CdTe QD@ZIF-8 composite used as a ratiometric fluorescent probe exhibited high sensitivity and selectivity towards Ag+. The working linear range was 0.1-20 μM with a limit of detection (LOD) of 1.49 nM. Finally, the proposed nanosensor was applied to determine Ag+ in lake water with satisfactory results.
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Affiliation(s)
- Ling Zhu
- Department of Pharmacy, The Affiliated Jiangyin Clinical College of Xuzhou Medical University Wuxi PR China
| | - Lujia Shi
- School of Pharmacy, Xuzhou Medical University Xuzhou PR China
| | - Yiping Tan
- School of Pharmacy, Xuzhou Medical University Xuzhou PR China
| | - Huaiyin Zhang
- School of Pharmacy, Xuzhou Medical University Xuzhou PR China
| | - Jiacheng Yin
- School of Pharmacy, Xuzhou Medical University Xuzhou PR China
| | - Chang Xu
- Department of Pharmacy, The Affiliated Jiangyin Clinical College of Xuzhou Medical University Wuxi PR China
| | - Danlian Wu
- Department of Pharmacy, The Affiliated Jiangyin Clinical College of Xuzhou Medical University Wuxi PR China
| | - Yunsu Ma
- School of Pharmacy, Xuzhou Medical University Xuzhou PR China
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10
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Humbe SS, Joshi GM, Deshmukh RR, Kaleemulla S. Anomalous properties of plasma treated hexagonal Boron Nitride dispersed polymer nano blends. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03277-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Mohiuddin SMUG, Aydarous A, Alshahrie A, Saeed A, Memić A, Abdullahi S, Salah N. Structural, morphological, and optical properties of carbon nanoparticles unsheathed from date palm fronds. RSC Adv 2022; 12:27411-27420. [PMID: 36276045 PMCID: PMC9513680 DOI: 10.1039/d2ra04189h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/31/2022] [Indexed: 01/22/2023] Open
Abstract
Several studies have reported the synthesis of carbon nanoparticles (CNPs) by various methods. In this study, an easy one-step process to unsheathe CNPs from date palm fronds through a top-down ball milling method has been reported. The CNPs were characterized using various spectroscopic and microscopic methods to determine their structural and morphological features, optical properties, crystallinity, physicochemical properties, and particle stability. Transmission electron microscopy (TEM) revealed that the obtained CNPs' size ranged from 4 to 22 nm in a crystalline form. Scanning electron microscopy (SEM) confirmed their spherical shape, while the maximum photoluminescence (PL) intensity was recorded at 464 nm when excited at 375 nm. The unsheathed CNPs produced a good quantum yield (QY) of 3.24%. Furthermore, the CNPs exhibited high Raman ratios of I D/I G and I 2D/I G with values of 0.59 and 0.04, respectively, verifying their multilayer crystalline graphitic nature. These Raman ratios also agree with the X-ray diffractometry (XRD) results. The CNPs' sp2 and sp3 carbon bonds were confirmed by X-ray photoelectron spectroscopy (XPS), with oxygen on the surface forming carboxyl and carbonyl groups with no other observable impurities. Furthermore, the extracted CNPs showed excellent PL properties for up- and down-conversion. These properties are exemplary for low-cost biomass with potential applications in biomedicine. Therefore, the extracted CNPs reported in this study have potential applications in optical imaging.
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Affiliation(s)
- Shaik Muhammad U G Mohiuddin
- Department of Physics, Faculty of Sciences, King Abdulaziz University 21589 Jeddah Saudi Arabia
- Center of Nanotechnology, King Abdulaziz University 21589 Jeddah Saudi Arabia
| | - Abdulkadir Aydarous
- Department of Physics, Faculty of Sciences, King Abdulaziz University 21589 Jeddah Saudi Arabia
| | - Ahmed Alshahrie
- Department of Physics, Faculty of Sciences, King Abdulaziz University 21589 Jeddah Saudi Arabia
- Center of Nanotechnology, King Abdulaziz University 21589 Jeddah Saudi Arabia
| | - Abdu Saeed
- Department of Physics, Faculty of Sciences, King Abdulaziz University 21589 Jeddah Saudi Arabia
- Center of Nanotechnology, King Abdulaziz University 21589 Jeddah Saudi Arabia
- Department of Physics, Faculty of Science, Thamar University Thamar Yemen
| | - Adnan Memić
- Center of Nanotechnology, King Abdulaziz University 21589 Jeddah Saudi Arabia
| | - Shittu Abdullahi
- Department of Physics, Faculty of Sciences, King Abdulaziz University 21589 Jeddah Saudi Arabia
- Center of Nanotechnology, King Abdulaziz University 21589 Jeddah Saudi Arabia
- Department of Physics, Faculty of Science, Gombe State University Gombe Nigeria
| | - Numan Salah
- Center of Nanotechnology, King Abdulaziz University 21589 Jeddah Saudi Arabia
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Shtansky DV, Matveev AT, Permyakova ES, Leybo DV, Konopatsky AS, Sorokin PB. Recent Progress in Fabrication and Application of BN Nanostructures and BN-Based Nanohybrids. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12162810. [PMID: 36014675 PMCID: PMC9416166 DOI: 10.3390/nano12162810] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 05/27/2023]
Abstract
Due to its unique physical, chemical, and mechanical properties, such as a low specific density, large specific surface area, excellent thermal stability, oxidation resistance, low friction, good dispersion stability, enhanced adsorbing capacity, large interlayer shear force, and wide bandgap, hexagonal boron nitride (h-BN) nanostructures are of great interest in many fields. These include, but are not limited to, (i) heterogeneous catalysts, (ii) promising nanocarriers for targeted drug delivery to tumor cells and nanoparticles containing therapeutic agents to fight bacterial and fungal infections, (iii) reinforcing phases in metal, ceramics, and polymer matrix composites, (iv) additives to liquid lubricants, (v) substrates for surface enhanced Raman spectroscopy, (vi) agents for boron neutron capture therapy, (vii) water purifiers, (viii) gas and biological sensors, and (ix) quantum dots, single photon emitters, and heterostructures for electronic, plasmonic, optical, optoelectronic, semiconductor, and magnetic devices. All of these areas are developing rapidly. Thus, the goal of this review is to analyze the critical mass of knowledge and the current state-of-the-art in the field of BN-based nanomaterial fabrication and application based on their amazing properties.
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13
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Ikram M, Muhammad Khan A, Haider A, Haider J, Naz S, Ul-Hamid A, Shahzadi A, Nabgan W, Shujah T, Shahzadi I, Ali S. Facile Synthesis of La- and Chitosan-Doped CaO Nanoparticles and Their Evaluation for Catalytic and Antimicrobial Potential with Molecular Docking Studies. ACS OMEGA 2022; 7:28459-28470. [PMID: 35990444 PMCID: PMC9386845 DOI: 10.1021/acsomega.2c02790] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
In the current study, a low-cost and straightforward coprecipitation technique was adopted to synthesize CaO and La-doped CS/CaO NPs. Different weight ratios (2 and 4) of La were doped into fixed amounts of CS and CaO. Synthesized samples exhibited outstanding catalytic performance by degrading methylene blue (MB) in a highly efficient manner. The X-ray diffraction technique detected the presence of a cubic phase of CaO and a decrease in crystallite size of the samples with the addition of La. Fourier transform infrared spectroscopy confirmed the presence of the dopant and the base material with functional groups at 712 cm-1. A decrease in the absorption intensity of doped CaO was observed with an increasing amount of dopants La and CS accompanied by a blueshift leading to an increase in the band gap energy from 4.17 to 4.42 eV, as recorded with an ultraviolet-visible spectrophotometer. The presence of dopants (La and CS) and the evaluation of the elemental constitution of Ca and O were supported with the energy-dispersive spectroscopy technique. In an acidic medium, the catalytic activity against the MB dye was reduced (93.8%) for 4% La-doped CS/CaO. For La-doped CS/CaO, vast inhibition domains ranged within 4.15-4.70 and 5.82-8.05 mm against Escherichia coli while 4.15-5.20 and 6.65-13.10 mm against Staphylococcus aureus (S. aureus) at the least and maximum concentrations, correspondingly. In silico molecular docking studies suggested these nanocomposites of chitosan as possible inhibitors against the enoyl-acyl carrier protein reductase (FabI) from S. aureus.
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Affiliation(s)
- Muhammad Ikram
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
| | - Aqib Muhammad Khan
- Department
of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore 54000, Pakistan
| | - Ali Haider
- Faculty
of Veterinary and Animal Sciences, Muhammad
Nawaz Shareef University of Agriculture, Multan 66000, Pakistan
| | - Junaid Haider
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Sadia Naz
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Anwar Ul-Hamid
- Core
Research Facilities, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Anum Shahzadi
- Faculty of
Pharmacy, The University of Lahore, Lahore 54000, Pakistan
| | - Walid Nabgan
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, Av
Països Catalans 26, 43007 Tarragona, Spain
| | - Tahira Shujah
- Department
of Physics, University of Central Punjab, Lahore 54000, Pakistan
| | - Iram Shahzadi
- Punjab
University College of Pharmacy, University
of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Salamat Ali
- Department
of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore 54000, Pakistan
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14
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Facile synthesis of chitosan-grafted polyacrylic acid-doped CaO nanoparticle for catalytic and antimicrobial potential. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02576-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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15
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Mustajab M, Ikram M, Haider A, Ul-Hamid A, Nabgan W, Haider J, Ghaffar R, Shahzadi A, Ghaffar A, Saeed A. Promising performance of polyvinylpyrrolidone-doped bismuth oxyiodide quantum dots for antibacterial and catalytic applications. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02547-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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16
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Rafique A, Ikram M, Haider A, Ul-Hamid A, Naz S, Nabgan W, Haider J, Shahzadi I. Dye degradation, antibacterial activity and molecular docking analysis of cellulose/polyvinylpyrrolidone-doped cadmium sulphide quantum dots. Int J Biol Macromol 2022; 214:264-277. [PMID: 35714871 DOI: 10.1016/j.ijbiomac.2022.06.058] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/02/2022] [Accepted: 06/10/2022] [Indexed: 11/05/2022]
Abstract
In present study, control sized cadmium sulphide (CdS) quantum dots (QDs) and cellulose nanocrystals grafted polyvinylpyrrolidone (CNC-g-PVP) doped CdS QDs were synthesized via co-precipitation. The suggested pathway is fruitful in throwing out organic pollutants like methylene blue (MB) from industrial water and bactericidal applications. A series of characterization techniques were used to determine the structural, optical and morphological qualities of prepared samples. The X-ray diffraction (XRD) pattern verified hexagonal structure with no significant change occurring in the spectrum upon doping (2, 4, and 6 %). The UV-vis spectrophotometer describes blueshift in absorption pattern, resulting in an increase in band gap energy (Eg) upon doping. Catalytic activity (CA) against MB in basic and neutral medium demonstrated remarkable results compared with the acidic medium. Furthermore, bactericidal potential of doped sample (6 %) exhibited the significantly higher inhibition zones of 5.25 mm and 4.05 mm against Staphylococcus aureus (S. aureus) or Gram-positive (G+ve) and Escherichia coli (E. coli) or Gram-negative (G-ve), respectively. In silico predictions for these doped QDs were performed against selected enzyme targets (i.e. DNA gyrase and FabI) to unveil the mystery governing these bactericidal activities.
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Affiliation(s)
- Aqsa Rafique
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan
| | - Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan.
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture, 66000, Multan, Punjab, Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia.
| | - Sadia Naz
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Walid Nabgan
- Departament d'Enginyeria Química, Universitat Rovira i Virgili, Av Països Catalans 26, 43007 Tarragona, Spain.
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Iram Shahzadi
- Punjab University College of Pharmacy, University of the Punjab, Lahore 54000, Pakistan
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17
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Meera MS, Sasidharan SK, Hossain A, Kiss J, Kónya Z, Elias L, Shibli SMA. Effect of Excess B in Ni 2P-Coated Boron Nitride on the Photocatalytic Hydrogen Evolution from Water Splitting. ACS APPLIED ENERGY MATERIALS 2022. [DOI: 10.1021/acsaem.1c04086] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Muraleedharan Sheela Meera
- Department of Chemistry, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
| | - Sreekala Keerthi Sasidharan
- Department of Nanotechnology, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
| | - Aslam Hossain
- Centre for Renewable Energy and Materials, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
| | - János Kiss
- ELKH-SZTE Reaction Kinetics and Surface Chemistry Research Group, University of Szeged, Rerrich B. 1., H-6720 Szeged, Hungary
| | - Zoltán Kónya
- ELKH-SZTE Reaction Kinetics and Surface Chemistry Research Group, University of Szeged, Rerrich B. 1., H-6720 Szeged, Hungary
- Department of Applied and Environmental Chemistry, University of Szeged, Rerrich B. 1., H-6720 Szeged, Hungary
| | - Liju Elias
- Department of Chemistry, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
| | - Sheik Muhammadhu Aboobakar Shibli
- Department of Chemistry, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
- Centre for Renewable Energy and Materials, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
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Zhen J, Nie S, Sun J, Pan S, Wang J, Sun J, Lv W, Yao Y. Fe 3O 4 nanoparticles encapsulated in boron nitride support via N-doped carbon layer as a peroxymonosulfate activator for pollutant degradation: Important role of metal boosted C-N sites. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 311:114859. [PMID: 35276558 DOI: 10.1016/j.jenvman.2022.114859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 02/17/2022] [Accepted: 03/05/2022] [Indexed: 06/14/2023]
Abstract
Developing highly efficient and stable catalysts for peroxymonosulfate (PMS) based advanced oxidation processes (AOPs) are crucial in the field of environmental remediation. In this work, a facile encapsulated-precursor pyrolysis strategy was reported to prepare a competent PMS-activation catalyst, in which uniformly distributed Fe3O4 nanoparticles were firmly anchored on porous boron nitride (BN) nanosheets by N-doped carbon shell (NC layer). Taking advantage of strong metal-support interaction, the as-synthesized catalyst (BFA-500) could efficiently activate PMS to achieve 100% removal of 4-chlorophenol (4-CP) in 6 min, and the corresponding turnover frequency (TOF) value was 1-2 orders of magnitude higher than that of the benchmark homogeneous (Fe2+) and nanoparticle (Fe0 and Fe3O4) catalysts. Moreover, the well protected encapsulated structure of BFA-500 ensured the remarkable stability that could effectively resist the interference of complex water environment, including initial pH value, various inorganic ions and actual water, and its catalytic activity remained almost unchanged in 5 use-regeneration cycles. More importantly, the generation of O2•- and 1O2 radicals for the 4-CP removal in BFA-500/PMS system was ascribed to Fe3O4 boosted C-N sites containing pyridinic N, where electrons transferred from the embedded Fe3O4 nanoparticles to C-N sites to secure the PMS dissociation into reactive radicals. Overall, this work provided a promising way to design desired PMS-activation catalyst toward wastewater purification.
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Affiliation(s)
- Jianzheng Zhen
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Shisong Nie
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Jiahao Sun
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Shiyuan Pan
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Jinhui Wang
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Jian Sun
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Weiyang Lv
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China.
| | - Yuyuan Yao
- National Engineering Lab of Textile Fiber Materials & Processing Technology (Zhejiang), Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
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19
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Ikram M, Abid N, Haider A, Ul-Hamid A, Haider J, Shahzadi A, Nabgan W, Goumri-Said S, Butt AR, Benali Kanoun M. Toward efficient dye degradation and the bactericidal behavior of Mo-doped La 2O 3 nanostructures. NANOSCALE ADVANCES 2022; 4:926-942. [PMID: 36131827 PMCID: PMC9418635 DOI: 10.1039/d1na00802a] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 12/28/2021] [Indexed: 05/15/2023]
Abstract
In this study, different concentrations (0, 0.02, 0.04, and 0.06 wt%) of Mo doped onto La2O3 nanostructures were synthesized using a one-pot co-precipitation process. The aim was to study the ability of Mo-doped La2O3 samples to degrade toxic methylene blue dye in different pH media. The bactericidal potential of synthesized samples was also investigated. The structural properties of prepared samples were examined by XRD. The observed XRD spectrum of La2O3 showed a cubic and hexagonal structure, while no change was recorded in Mo-doped La2O3 samples. Doping with Mo improved the crystallinity of the samples. UV-Vis spectrophotometry and density functional theory calculations were used to assess the optical characteristics of Mo-La2O3. The band gap energy was reduced while the absorption spectra showed prominent peaks due to Mo doping. The HR-TEM results revealed the rod-like morphology of La2O3. The rod-like network appeared to become dense upon doping. A significant degradation of MB was confirmed with Mo; furthermore, the bactericidal activities against S. aureus and E. coli were measured as 5.05 mm and 5.45 mm inhibition zones, respectively, after doping with a high concentration (6%) of Mo.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Application Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - Namra Abid
- Physics Department, Lahore Garrison University Lahore 54000 Punjab Pakistan
| | - Ali Haider
- Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture 66000 Multan Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin 300308 China
| | - Anum Shahzadi
- Faculty of Pharmacy, University of the Lahore Lahore Pakistan
| | - Walid Nabgan
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia 81310 Skudai Johor Malaysia
| | - Souraya Goumri-Said
- College of Science, Physics Department, Alfaisal University P.O. Box 50927 Riyadh 11533 Saudi Arabia
| | - Alvina Rafiq Butt
- Physics Department, Lahore Garrison University Lahore 54000 Punjab Pakistan
| | - Mohammed Benali Kanoun
- Department of Physics, College of Science, King Faisal University P.O. Box 400 Al-Ahsa 31982 Saudi Arabia
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20
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Liu H, Li P, Wang Y, Wang H, Fang Y, Guo Z, Huang Y, Lin J, Hu L, Tang C, Liu Z. Eco-green C, O co-doped porous BN adsorbent for aqueous solution with superior adsorption efficiency and selectivity. CHEMOSPHERE 2022; 288:132520. [PMID: 34634274 DOI: 10.1016/j.chemosphere.2021.132520] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/06/2021] [Accepted: 10/07/2021] [Indexed: 06/13/2023]
Abstract
Toxic dyes in wastewater will become a significant hazard to human health if they are not treated effectively. Therefore, it is significant to separate and remove dyes from the aqueous solution. C and O co-doped BN (BCNO) with high adsorption capacity and outstanding cycle efficiency is a simple and efficient adsorbent for the cationic dye malachite green (MG). Glucose is characterized as an eco-friendly and cheap source of C and O. Benefited by the high specific surface area (1515.6 m2/g), the maximum adsorption capacity of MG is 1511.1 mg/g. Besides, the curves of adsorption fitting correspond to the Langmuir model and the pseudo-second-order model, respectively. Moreover, after 5 cycles, the adsorption efficiency reached 78% of the first time and the adsorption capacity remained above 780 mg/g. Furthermore, in the selectivity adsorption study, the cationic dyes (MG, neutral red (NR), methylene blue (MB)) can be removed more effectively in the binary dye system of MG-methyl orange (MO), NR-MO, MB-MO, MG-Orange II (OR), MB-OR, or NR-OR. BCNO-2 has a promising application in the removal of cationic dyes from complex dye wastewaters.
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Affiliation(s)
- Huanzhao Liu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Pengxin Li
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Yifan Wang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Huijie Wang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Yi Fang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Zhonglu Guo
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Yang Huang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Jing Lin
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Long Hu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Chengchun Tang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Zhenya Liu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China.
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21
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Ngome Okello OF, Doh KY, Kang HS, Song K, Kim YT, Kim KH, Lee D, Choi SY. Visualization of Transition Metal Decoration on h-BN Surface. NANO LETTERS 2021; 21:10562-10569. [PMID: 34618461 DOI: 10.1021/acs.nanolett.1c02198] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Functional h-BN (hexagonal boron nitride) has been prepared via the incorporation of transition metal (TM) impurities like nanoparticles and single atoms. Herein, scanning transmission electron microscopy (STEM) combined with density functional theory (DFT) was employed to study Ta-, Co-, Ni-, and Ir-decorated h-BN monolayers to provide an overview of their preferential site occupancies and morphological evolutions on h-BN. Ta, Ni, Ir, and Co single atoms are all positioned on the nitrogen of h-BN; however DFT predicts the occupancy site can vary with their spin state. In terms of microstructural evolution, Co, Ni, and Ir atoms form 3D nanoclusters while Ta atoms are well dispersed and thus the single Ta atom can be decorated on h-BN. This study highlights on TM/h-BN interaction dynamics and presents an avenue for designing nanostructures for electrocatalytic application.
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Affiliation(s)
- Odongo Francis Ngome Okello
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, South Korea
| | - Kyung-Yeon Doh
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, South Korea
| | - Hye Su Kang
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, South Korea
| | - Kyung Song
- Department of Materials Modelling and Characterization, Korea Institute of Materials Science (KIMS), Changwon 51508, South Korea
| | - Yong-Tae Kim
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, South Korea
| | - Kwang Ho Kim
- Department of Materials Science and Engineering, Pusan National University, Busan 46241, South Korea
| | - Donghwa Lee
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, South Korea
| | - Si-Young Choi
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, South Korea
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22
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Janthima R, Siri S. Cellular biogenesis of metal nanoparticles by water velvet ( Azolla pinnata): different fates of the uptake Fe 3+ and Ni 2+ to transform into nanoparticles. ARTIFICIAL CELLS, NANOMEDICINE, AND BIOTECHNOLOGY 2021; 49:471-482. [PMID: 34092161 DOI: 10.1080/21691401.2021.1931262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 05/13/2021] [Indexed: 10/21/2022]
Abstract
Plants can produce cellular metal nanoparticles (NPs) from the uptake of metal ions, but the mechanism remains unclear. This work reported the new insight into different fates of iron (Fe) and nickel (Ni) ions to transform into the metal NPs in Azolla pinnata roots. After exposing to ferric nitrate, nickel nitrate, and a combination of both for 12 h, the energy dispersive X-ray fluorescence analysis indicated the efficient uptakes of both metal ions in the roots and their transports into the shoots. Transmission electron microscope images revealed the accumulation of spherical FeNPs, but not NiNPs, near the cell wall and cell membrane, and inside vacuoles and multivesicular bodies in cortical and vascular cells at the root tips. The energy dispersive X-ray analysis suggested that the formation of metal NPs depended on the sufficient concentration of metal ions localized in the roots. FeNPs were identified to ɑ-Fe2O3 and Fe3O4 by selected area electron diffraction analysis. The formation of FeNPs might involve the increase of superoxide dismutase activity. This work is the first report about the cellular biogenesis of metal NPs in plant roots that likely depends on cellular metal content and involves the reducing activity of antioxidant enzymes.
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Affiliation(s)
- Ratima Janthima
- School of Biology, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, Thailand
| | - Sineenat Siri
- School of Biology, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, Thailand
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23
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Chen Q, Qin L, Shi C, Kang SZ, Li X. A stable and plug-and-play aluminium/titanium dioxide/metal-organic framework/silver composite sheet for sensitive Raman detection and photocatalytic removal of 4-aminothiophenol. CHEMOSPHERE 2021; 282:131000. [PMID: 34111640 DOI: 10.1016/j.chemosphere.2021.131000] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/29/2021] [Accepted: 05/23/2021] [Indexed: 06/12/2023]
Abstract
The sensitive detection and rapid removal of 4-aminothiophenol (4-ATP, a poisonous pesticide) demand special design to potential substrates. Herein, a metal-organic framework (ZIF-8) and Ag nanoparticles were fabricated one by one on the TiO2 coated Al sheet, and thus the Al-TiO2-ZIF-8-Ag sheet with sandwich structure was successfully synthesized. The cost-effective Al-TiO2-ZIF-8-Ag sheet (3.7 wt% Ag) possessed a low detection concentration of 1 × 10-9 M towards 4-ATP, and surface-enhanced Raman scattering (SERS) analytical enhanced factor (AEF) of the Al-TiO2-ZIF-8-Ag was 2.6 × 106, which was higher than other similar substrates. Furthermore, 4-ATP can be selectively and repeatedly detected on the Al-TiO2-ZIF-8-Ag even through it was in real samples. It indicated that the Al-TiO2-ZIF-8-Ag was a very active and stable SERS materials for the monitoring of 4-ATP. Importantly, the substrate exhibited faster and more efficient photocatalytic activity for 4-ATP degradation. The SERS and photocatalytic mechanisms of 4-ATP on the Al-TiO2-ZIF-8-Ag substrate were proposed. The cost-effective Al-TiO2-ZIF-8-Ag sheet with double function is plug-and-play, and could be used in the detection and treatment of pollutants in wastewater.
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Affiliation(s)
- Qian Chen
- School of Chemical and Environmental Engineering, Center of Graphene Research, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China
| | - Lixia Qin
- School of Chemical and Environmental Engineering, Center of Graphene Research, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China
| | - Changli Shi
- School of Chemical and Environmental Engineering, Center of Graphene Research, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China
| | - Shi-Zhao Kang
- School of Chemical and Environmental Engineering, Center of Graphene Research, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China
| | - Xiangqing Li
- School of Chemical and Environmental Engineering, Center of Graphene Research, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China.
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Sriram B, Baby JN, Hsu YF, Wang SF, George M. Toward the Development of Disposable Electrodes Based on Holmium Orthovanadate/ f-Boron Nitride: Impacts and Electrochemical Performances of Emerging Inorganic Contaminants. Inorg Chem 2021; 60:12425-12435. [PMID: 34311546 DOI: 10.1021/acs.inorgchem.1c01678] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Rare-earth metal orthovanadates have great technological relevance in the family of rare-earth compounds owing to their excellent physical and chemical properties. A significant number of studies have been carried out on this class of compounds to exploit their electrochemical properties in virtue of variable oxidation states. But holmium vanadate (HoV) and its morphology selective synthesis have not been considered, which can have potential applications similar to the rest of the family. In this work, we propose the synthesis of superior architectures of HoV with a functionalized boron nitride (f-BN) nanocomposite. The synergistic effect between HoV and f-BN can have a positive effect on the physical characteristics of the nanocomposite, which can be explored for its electrochemical capacity. Here, HoV incorporated with f-BN is explored for the electrochemical detection of Hg2+ ions, which is known for its toxicity-induced environmental health hazards. The structural and compositional revelation reveals higher conductivity and faster electron transfer in the composite, which facilitates a wide working range (0.02-53.8 and 64.73-295.4 μM), low limit of detection (5 nM), higher sensitivity (66.6 μA μM-1 cm-2), good selectivity over 10-fold higher concentration of other interfering compounds compared to Hg2+ ion concentration, and good cycles stability (30 segments) toward Hg2+ ion detection. This also envisages the morphology selective synthesis and utilization of other rare-earth metals, whose electrochemical capacities are unexplored.
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Affiliation(s)
- Balasubramanian Sriram
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 106, Taiwan
| | - Jeena N Baby
- Department of Chemistry, Stella Maris College, Affiliated to the University of Madras, Chennai, Tamil Nadu 600086, India
| | - Yung-Fu Hsu
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 106, Taiwan
| | - Sea-Fue Wang
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 106, Taiwan
| | - Mary George
- Department of Chemistry, Stella Maris College, Affiliated to the University of Madras, Chennai, Tamil Nadu 600086, India
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Mureed S, Naz S, Haider A, Raza A, Ul-Hamid A, Haider J, Ikram M, Ghaffar R, Irshad M, Ghaffar A, Saeed A. Development of Multi-concentration Cu:Ag Bimetallic Nanoparticles as a Promising Bactericidal for Antibiotic-Resistant Bacteria as Evaluated with Molecular Docking Study. NANOSCALE RESEARCH LETTERS 2021; 16:91. [PMID: 34021844 PMCID: PMC8141091 DOI: 10.1186/s11671-021-03547-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 05/13/2021] [Indexed: 06/12/2023]
Abstract
The present study is concerned with evaluating the influence of various concentrations of Ag within Cu:Ag bimetallic nanoparticles developed for use as a promising anti-bacterial agent against antibiotic-resistant bacteria. Here, Cu:Ag bimetallic nanoparticles with various concentration ratios (2.5, 5.0, 7.5, and 10 wt%) of Ag in fixed amount of Cu labeled as 1:0.025, 1:0.050, 1:0.075, and 1:0.1 were synthesized using co-precipitation method with ammonium hydroxide and deionized water as solvent, polyvinyl pyrrolidone as a capping agent, and sodium borohydride and ascorbic acid as reducing agents. These formulated products were characterized through a variety of techniques. XRD confirmed phase purity and detected the presence of distinct fcc structures belonging to Cu and Ag phases. FTIR spectroscopy confirmed the presence of vibrational modes corresponding to various functional groups and recorded characteristic peak emanating from the bimetallic. UV-visible spectroscopy revealed reduction in band gap with increasing Ag content. SEM and HR-TEM micrographs revealed spherical morphology of Ag-doped Cu bimetallic with small and large scale agglomerations. The samples exhibited varying dimensions and interlayer spacing. Bactericidal action of synthesized Cu:Ag bimetallic NPs depicted statistically significant (P < 0.05) inhibition zones recorded for various concentrations of Ag dopant against Staphylococcus aureus (S. aureus), Escherichia coli (E. coli), and Acinetobacter baumannii (A. baumannii) ranging from (0.85-2.8 mm), (0.55-1.95 mm) and (0.65-1.85 mm), respectively. Broadly, Cu:Ag bimetallic NPs were found to be more potent against gram-positive compared with gram-negative. Molecular docking study of Ag-Cu bimetallic NPs was performed against β-lactamase which is a key enzyme of cell wall biosynthetic pathway from both S. aureus (Binding score: - 4.981 kcal/mol) and A. bauminnii (Binding score: - 4.013 kcal/mol). Similarly, binding interaction analysis against FabI belonging to fatty acid biosynthetic pathway from A. bauminnii (Binding score: - 3.385 kcal/mol) and S. aureus (Binding score: - 3.012 kcal/mol) along with FabH from E. coli (Binding score: - 4.372 kcal/mol) was undertaken. These theoretical computations indicate Cu-Ag bimetallic NPs as possible inhibitor of selected enzymes. It is suggested that exploring in vitro inhibition potential of these materials may open new avenues for antibiotic discovery.
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Affiliation(s)
- Shumaila Mureed
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan
- Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan
| | - Sadia Naz
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Ali Haider
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences, Lahore, 54000, Punjab, Pakistan
| | - Ali Raza
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia.
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan.
| | - Rabia Ghaffar
- Division of Science and Technology, Department of Botany, University of Education, Lahore, 54000, Pakistan
| | - Muneeb Irshad
- Department of Physics, University of Engineering and Technology, Lahore, 54890, Pakistan
| | - Abdul Ghaffar
- Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University, Islamabad, 45320, Pakistan
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Ikram M, Wakeel M, Hassan J, Haider A, Naz S, Ul-Hamid A, Haider J, Ali S, Goumri-Said S, Kanoun MB. Impact of Bi Doping into Boron Nitride Nanosheets on Electronic and Optical Properties Using Theoretical Calculations and Experiments. NANOSCALE RESEARCH LETTERS 2021; 16:82. [PMID: 33978872 PMCID: PMC8116421 DOI: 10.1186/s11671-021-03542-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/03/2021] [Indexed: 05/16/2023]
Abstract
In the present work, boron nitride (BN) nanosheets were prepared through bulk BN liquid phase exfoliation while various wt. ratios (2.5, 5, 7.5 and 10) of bismuth (Bi) were incorporated as dopant using hydrothermal technique. Our findings exhibit that the optical investigation showed absorption spectra in near UV region. Density functional theory calculations indicate that Bi doping has led to various modifications in the electronic structures of BN nanosheet by inducing new localized gap states around the Fermi level. It was found that bandgap energy decrease with the increase of Bi dopant concentrations. Therefore, in analysis of the calculated absorption spectra, a redshift has been observed in the absorption edges, which is consistent with the experimental observation. Additionally, host and Bi-doped BN nanosheets were assessed for their catalytic and antibacterial potential. Catalytic activity of doped free and doped BN nanosheets was evaluated by assessing their performance in dye reduction/degradation process. Bactericidal activity of Bi-doped BN nanosheets resulted in enhanced efficiency measured at 0-33.8% and 43.4-60% against S. aureus and 0-38.8% and 50.5-85.8% against E. coli, respectively. Furthermore, In silico molecular docking predictions were in good agreement with in-vitro bactericidal activity. Bi-doped BN nanosheets showed good binding score against DHFR of E. coli (- 11.971 kcal/mol) and S. aureus (- 8.526 kcal/mol) while binding score for DNA gyrase from E. coli (- 6.782 kcal/mol) and S. aureus (- 7.819 kcal/mol) suggested these selected enzymes as possible target.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan.
| | - Muhammad Wakeel
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
| | - Jahanzeb Hassan
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
| | - Ali Haider
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences Lahore, Lahore, 54000, Punjab, Pakistan
| | - Sadia Naz
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Salamat Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
| | - Souraya Goumri-Said
- College of Science, Physics Department, Alfaisal University, P.O. Box 50927, Riyadh, 11533, Saudi Arabia
| | - Mohammed Benali Kanoun
- Department of Physics, College of Science, King Faisal University, P.O. Box 400, Al-Ahsa, 31982, Saudi Arabia.
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Ikram M, Hassan J, Raza A, Haider A, Naz S, Ul-Hamid A, Haider J, Shahzadi I, Qamar U, Ali S. Photocatalytic and bactericidal properties and molecular docking analysis of TiO 2 nanoparticles conjugated with Zr for environmental remediation. RSC Adv 2020; 10:30007-30024. [PMID: 35518250 PMCID: PMC9056309 DOI: 10.1039/d0ra05862a] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 08/07/2020] [Indexed: 01/04/2023] Open
Abstract
Despite implementing several methodologies including a combination of physical, chemical and biological techniques, aquatic and microbial pollution remains a challenge to this day. Recently, nanomaterials have attracted considerable attention due to their extraordinary prospective for utilization toward environmental remediation. Among several probable candidates, TiO2 stands out due to its potential for use in multifaceted applications. One way to improve the catalytic and antimicrobial potential of TiO2 is to dope it with certain elements. In this study, Zr-doped TiO2 was synthesized through a sol-gel chemical method using various dopant concentrations (2, 4, 6, and 8 wt%). Surface morphological, microstructural and elemental analysis was carried out using FESEM and HR-TEM along with EDS to confirm the formation of Zr-TiO2. XRD spectra showed a linear shift of the (101) anatase peak to lower diffraction angles (from 25.4° to 25.08°) with increasing Zr4+ concentration. Functional groups were examined via FTIR, an ample absorption band appearing between 400 and 700 cm-1 in the acquired spectrum was attributed to the vibration modes of the Ti-O-Ti linkage present within TiO2 nanoparticles, which denotes the formation of TiO2. Experimental results indicated that with increasing dopant concentrations, photocatalytic potential was enhanced significantly. In this respect, TiO2 doped with 8 wt% Zr (sample 0.08 : 1) exhibited outstanding performance by realizing 98% elimination of synthetic MB in 100 minutes. This is thought to be due to a decreased rate of electron-hole pair recombination that transpires upon doping. Therefore, it is proposed that Zr-doped TiO2 can be used as an effective photocatalyst material for various environmental and wastewater treatment applications. The good docking scores and binding confirmation of Zr-doped TiO2 suggested doped nanoparticles as a potential inhibitor against selected targets of both E. coli and S. aureus. Hence, enzyme inhibition studies of Zr-doped TiO2 NPs are suggested for further confirmation of these in silico predictions.
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Affiliation(s)
- M Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore 54000 Punjab Pakistan
| | - J Hassan
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - A Raza
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - A Haider
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences Lahore 54000 Punjab Pakistan
| | - S Naz
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin 300308 China
| | - A Ul-Hamid
- Center for Engineering Research, Research Institute, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | - J Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin 300308 China
| | - I Shahzadi
- College of Pharmacy, University of the Punjab Lahore 54000 Pakistan
| | - U Qamar
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - S Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
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Altaf S, Haider A, Naz S, Ul-Hamid A, Haider J, Imran M, Shahzadi A, Naz M, Ajaz H, Ikram M. Comparative Study of Selenides and Tellurides of Transition Metals (Nb and Ta) with Respect to its Catalytic, Antimicrobial, and Molecular Docking Performance. NANOSCALE RESEARCH LETTERS 2020; 15:144. [PMID: 32643064 PMCID: PMC7343698 DOI: 10.1186/s11671-020-03375-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/23/2020] [Indexed: 05/13/2023]
Abstract
The present research is a comparative study that reports an economical and accessible method to synthesize niobium (Nb) and Tantalum (Ta) selenides and tellurides with useful application in the removal of pollutants in textile, paper, and dyeing industries as well as in medical field. In this study, solid-state process was used to generate nanocomposites and various characterization techniques were employed to compare two groups of materials under investigation. Structure, morphology, elemental constitution, and functional groups of synthesized materials were analyzed with XRD, FESEM coupled with EDS, FTIR, and Raman spectroscopy, respectively. HR-TEM images displayed nanoscale particles with tetragonal and monoclinic crystal structures. The optical properties were evaluated in terms of cut-off wavelength and optical band gap using UV-visible spectroscopy. A comparative behavior of both groups of compounds was assessed with regards to their catalytic and microcidal properties. Extracted nanocomposites when used as catalysts, though isomorphs of each other, showed markedly different behavior in catalytic degradation of MB dye in the presence of NaBH4 that was employed as a reducing agent. This peculiar deviation might be attributed to slight structural differences between them. Escherichia coli and Staphylococcus aureus (G -ve and + ve bacteria, respectively) were designated as model strains for in vitro antibacterial tests of both clusters by employing disk diffusion method. Superior antibacterial efficacy was observed for telluride system (significant inhibition zones of 26-35 mm) compared with selenide system (diameter of inhibition zone ranged from 0.8 mm to 1.9 mm). In addition, molecular docking study was undertaken to ascertain the binding interaction pattern between NPs and active sites in targeted cell protein. The findings were in agreement with antimicrobial test results suggesting NbTe4 to be the best inhibitor against FabH and FabI enzymes.
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Affiliation(s)
- S Altaf
- Department of Chemistry, University of Engineering and Technology, Lahore, 54000, Pakistan
| | - A Haider
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences, Lahore, Punjab, 54000, Pakistan
| | - S Naz
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - A Ul-Hamid
- Center for Engineering Research, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
| | - J Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - M Imran
- State key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing, 100029, China
| | - A Shahzadi
- University College of Pharmacy, University of the Punjab, Lahore, 54000, Pakistan
| | - M Naz
- Biochemistry Lab, Department of Chemistry, Government College University, Lahore, Punjab, 54000, Pakistan
| | - H Ajaz
- Department of Chemistry, University of Engineering and Technology, Lahore, 54000, Pakistan
| | - M Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University, Lahore, Punjab, 54000, Pakistan.
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Ikram M, Umar E, Raza A, Haider A, Naz S, Ul-Hamid A, Haider J, Shahzadi I, Hassan J, Ali S. Dye degradation performance, bactericidal behavior and molecular docking analysis of Cu-doped TiO 2 nanoparticles. RSC Adv 2020; 10:24215-24233. [PMID: 35516171 PMCID: PMC9055104 DOI: 10.1039/d0ra04851h] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 06/18/2020] [Indexed: 11/21/2022] Open
Abstract
Copper-doped TiO2 was prepared with a sol-gel chemical method. Various concentrations (3, 6, and 9 wt%) of Cu dopant were employed. Several techniques were implemented to assess the structural, optical, morphological and chemical properties of the synthesized samples. Evaluation of elemental composition using SEM-EDS and XRF techniques showed the presence of dopant element in the prepared samples. XRD analysis confirmed the presence of anatase (TiO2) phase with interstitial doping. Incorporation of dopant was observed to enhance the crystallinity and increase the crystallite size of the synthesized products. SAED profiles revealed a high degree of crystallinity in the prepared specimens, which was also evident in the XRD spectra. Optical properties studied using UV-vis spectroscopy depicted a shift of the maximum absorption to the visible region (redshift) that signified a reduction in the band gap energy of Cu-doped TiO2 samples. Examination of morphological features with scanning and high-resolution transmission electron microscopes revealed the formation of spherical nanoparticles with a tendency to agglomerate with increasing dopant concentration. Molecular vibrations and the formation of Ti-O-Ti bonds were revealed through FTIR spectra. PL spectroscopy recorded the trapping efficiency and migration of charge carriers, which exhibited electron-hole recombination behavior. Doped nanostructures showed enhanced bactericidal performance and synergism against S. aureus and E. coli. In summary, Cu-doped TiO2 nanostructures were observed to impede bacteria effectively, which is deemed beneficial in overcoming ailments caused by pathogens such as microbial etiologies. Furthermore, molecular docking analysis was conducted to study the interaction of Cu-doped TiO2 nanoparticles with multiple proteins namely β-lactamase (binding score: -4.91 kcal mol-1), ddlB (binding score: -5.67 kcal mol-1) and FabI (binding score: -6.13 kcal mol-1) as possible targets with active site residues. Dye degradation/reduction of control and Cu-doped samples were studied through absorption spectroscopy. The obtained outcomes of the performed experiment indicated that the photocatalytic activity of Cu-TiO2 enhanced with increasing dopant concentration, which is thought to be due to a decreased rate of electron-hole pair recombination. Consequently, it is suggested that Cu-TiO2 can be exploited as an effective candidate for antibacterial and dye degradation applications.
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Affiliation(s)
- M Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore Punjab 54000 Pakistan +923005406667
| | - E Umar
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - A Raza
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - A Haider
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences Lahore 54000 Punjab Pakistan
| | - S Naz
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin 300308 China
| | - A Ul-Hamid
- Center for Engineering Research, Research Institute, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | - J Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin 300308 China
| | - I Shahzadi
- College of Pharmacy, University of the Punjab Lahore 54000 Pakistan
| | - J Hassan
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - S Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
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Raza A, Qumar U, Hassan J, Ikram M, Ul-Hamid A, Haider J, Imran M, Ali S. A comparative study of dirac 2D materials, TMDCs and 2D insulators with regard to their structures and photocatalytic/sonophotocatalytic behavior. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01475-y] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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31
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2D chemically exfoliated hexagonal boron nitride (hBN) nanosheets doped with Ni: synthesis, properties and catalytic application for the treatment of industrial wastewater. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01439-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Ikram M, Jahan I, Haider A, Hassan J, Ul-Hamid A, Imran M, Haider J, Shahzadi A, Shahbaz A, Ali S. Bactericidal behavior of chemically exfoliated boron nitride nanosheets doped with zirconium. APPLIED NANOSCIENCE 2020; 10:2339-2349. [PMID: 32341906 PMCID: PMC7183257 DOI: 10.1007/s13204-020-01412-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 04/12/2020] [Indexed: 12/13/2022]
Abstract
In this work, boron nitride nanosheets (BNNS) were produced through chemical exfoliation of bulk boron nitride (BN). Furthermore, hydrothermal technique was used to incorporate various concentrations (2.5, 5, 7.5, and 10 wt%) of zirconium (Zr) as a dopant. The prepared undoped and doped BN samples were evaluated for its antimicrobial activity against E. coli and S. aureus. Structural analysis was undertaken using x-ray diffraction which identified the presence of hexagonal BN. FTIR and Raman spectroscopy were utilized to outline IR fingerprint and electronic properties of the synthesized material. Morphological information was obtained through micrographs extracted using field emission scanning electron spectroscope (FESEM) and high resolution transmission electron microscope (HRTEM), while d-spacing was also calculated through HRTEM analysis. Optical properties and emission spectra were examined by applying UV–vis and photoluminescence spectroscope (PL); whereas, band gap analysis was carried out via Tauc plot. Zr-doped BN nanosheets at increasing concentrations (0.5, 1.0 mg/50 μl) revealed enhanced antibacterial activity against E. coli compared to S. aureus (p < 0.05).
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Affiliation(s)
- M Ikram
- 1Solar Cell Applications Research Laboratory, Department of Physics, Government College University Lahore, Punjab, 54000 Pakistan
| | - I Jahan
- 1Solar Cell Applications Research Laboratory, Department of Physics, Government College University Lahore, Punjab, 54000 Pakistan.,2Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
| | - A Haider
- 3Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences, LahorePunjab, 54000 Pakistan
| | - J Hassan
- 2Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
| | - A Ul-Hamid
- 4Centre for Engineering Research, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran, 31261 Saudi Arabia
| | - M Imran
- 5State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing Engineering Centre for Hierarchical Catalysts, Beijing, 100029 China
| | - J Haider
- 6Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308 China
| | - A Shahzadi
- 7University College of Pharmacy, University of the Punjab, Lahore, 54000 Pakistan
| | - A Shahbaz
- 8Department of Physics, Government College University Lahore, Punjab, 54000 Pakistan
| | - S Ali
- 2Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
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Chkirida S, Zari N, Achour R, Qaiss AEK, Bouhfid R. Effect of iron doped titanium oxide encapsulated in alginate on photocatalytic activity for the removal of dye pollutants. RSC Adv 2020; 10:22311-22317. [PMID: 35514547 PMCID: PMC9054588 DOI: 10.1039/d0ra02898c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 05/28/2020] [Indexed: 11/21/2022] Open
Abstract
Iron oxide/titania oxide are encapsulated in alginate biopolymer. These bio-nanocomposites are suitable for the photodegradation of dissimilar organic pollutants under UV irradiation as well as visible light.
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Affiliation(s)
- Soulaima Chkirida
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
| | - Nadia Zari
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
| | - Redouane Achour
- Laboratoire de Chimie Organique et Hétérocyclique
- Faculty of Science
- Mohammed V-Rabat University
- Rabat
- Morocco
| | - Abou el kacem Qaiss
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
| | - Rachid Bouhfid
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
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Ikram M, Tabassum R, Qumar U, Ali S, Ul-Hamid A, Haider A, Raza A, Imran M, Ali S. Promising performance of chemically exfoliated Zr-doped MoS2 nanosheets for catalytic and antibacterial applications. RSC Adv 2020; 10:20559-20571. [PMID: 35517731 PMCID: PMC9054312 DOI: 10.1039/d0ra02458a] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 05/23/2020] [Indexed: 12/24/2022] Open
Abstract
Nanostructured materials incorporated with biological reducing agents have shown significant potential for use in bactericidal applications. Such materials have also demonstrated considerable efficacy to counter effects of chemical toxicity. In this study, nanostructured molybdenum disulfide (MoS2) was doped with various concentrations (2.5, 5, 7.5, 10 wt%) of zirconium (Zr) using a hydrothermal route in order to assess its antimicrobial and catalytic potential. Doped and control samples were characterized with various techniques. X-ray diffraction (XRD) analysis confirmed the presence of the hexagonal phase of MoS2 and identification of various functional groups and characteristic peaks (Mo bonding) was carried out using FTIR spectra. Micrographs obtained from FESEM and HR-TEM showed a sheet-like surface morphology, while agglomeration of nanosheets was observed upon doping with nanoparticles. To seek further clarity regarding the layered features of S–Mo–S planes, the defect densities and electronic band structure of pure MoS2 and doped MoS2 samples were investigated through Raman analysis. Optical properties of Zr-doped MoS2 nanosheets were assessed using a UV-vis spectrophotometer and the results indicated a red-shift, i.e., movement of peaks towards longer wavelengths, of the material. Dynamics of migration and recombination of excited electron–hole pairs were investigated using PL spectroscopy, which was also used to confirm the presence of exfoliated nanosheets. In addition, the synthetic dye degradation potential of pure and doped samples was investigated in the presence of a reducing agent (NaBH4). It was noted that doped MoS2 showed superior catalytic activity compared to undoped MoS2. The nanocatalyst synthesized in this study exhibited enhanced antibacterial activity against E. coli and S. aureus at high concentrations (0.5, 1.0 mg/50 μl). The present study suggests a cost-effective and environmentally friendly material that can be used to remove toxins such as synthetic dyes and tannery pollutants from industrial wastewater. Nanostructured materials incorporated with biological reducing agents have shown significant potential for use in bactericidal applications.![]()
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Affiliation(s)
- M. Ikram
- Solar Cell Applications Research Lab
- Department of Physics
- Government College University
- Lahore
- Pakistan
| | - R. Tabassum
- Solar Cell Applications Research Lab
- Department of Physics
- Government College University
- Lahore
- Pakistan
| | - U. Qumar
- Department of Physics
- Riphah Institute of Computing and Applied Sciences (RICAS)
- Riphah International University
- Lahore
- Pakistan
| | - S. Ali
- Department of Gynaecology & Obstetrics (Unit–III)
- Jinnah Hospital
- Lahore
- Pakistan
| | - A. Ul-Hamid
- Center for Engineering Research
- Research Institute
- King Fahd University of Petroleum & Minerals
- Dhahran 31261
- Saudi Arabia
| | - A. Haider
- Department of Clinical Medicine and Surgery
- University of Veterinary and Animal Sciences
- Lahore
- Pakistan
| | - A. Raza
- Department of Physics
- Riphah Institute of Computing and Applied Sciences (RICAS)
- Riphah International University
- Lahore
- Pakistan
| | - M. Imran
- State Key Laboratory of Chemical Resource Engineering
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering
- Beijing Engineering Center for Hierarchical Catalysts
- Beijing University of Chemical Technology
- Beijing 100029
| | - S. Ali
- Department of Physics
- Riphah Institute of Computing and Applied Sciences (RICAS)
- Riphah International University
- Lahore
- Pakistan
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