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Shahzadi I, Islam M, Saeed H, Haider A, Shahzadi A, Rathore HA, Ul-Hamid A, Abd-Rabboh HSM, Ikram M. Synthesis of curcuma longa doped cellulose grafted hydrogel for catalysis, bactericidial and insilico molecular docking analysis. Int J Biol Macromol 2023; 253:126827. [PMID: 37696378 DOI: 10.1016/j.ijbiomac.2023.126827] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/02/2023] [Accepted: 09/08/2023] [Indexed: 09/13/2023]
Abstract
Curcumin (diferuloylmethane), the primary curcuminoid in turmeric rhizome, has been acknowledged as a bioactive compound for numerous pharmacological activities. Nonetheless, the hydrophobic nature, rapid metabolism, and physicochemical and biological instability of this phenolic compound correspond to its poor bioavailability. So, recent scientific advances have found many components and strategies for enhancing the bioavailability of curcumin with the inclusion of biotechnology and nanotechnology to address its existing limitations. Therefore, In this study, copolymerized aqua-gel was synthesized by graft polymerization of poly-acrylic acid (P-AA) on cellulose nanocrystals (CNC), after that Curcuma longa (Cur) was incorporated as dopant (5, 10, 15, and 25 mg) in hydrogel (Cur/C-P) as a stabilizing agent for evaluation of bacterial potential and sewage treatment. The antioxidant tendency of 25 mg Cur/C-P was much higher (72.21 %) than other samples and displayed a catalytic activity of up to 93.89 % in acidic conditions and optimized bactericidal inclinations toward gram-positive bacterial strains. Furthermore, ligand binding was conducted against targeted protein enoyl-[acylcarrier-protein] reductase (FabI) enzyme to comprehend the putative mechanism of microbicidal action of CNC-PAA (CP), Cur/C-P, and curcumin. Our outcomes suggest that 25 mg Cur/C-P hydrogels are plausible sources for hybrid, multifunctional biological activity.
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Affiliation(s)
- Iram Shahzadi
- Punjab University College of Pharmacy, Allama Iqbal Campus, University of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Muhammad Islam
- Punjab University College of Pharmacy, Allama Iqbal Campus, University of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Hamid Saeed
- Punjab University College of Pharmacy, Allama Iqbal Campus, University of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture, Multan 66000, Punjab, Pakistan.
| | - Anum Shahzadi
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
| | | | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum and 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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2
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Visagamani AM, Shanthi D, Muthukrishnaraj A, Venkatadri B, Ahamed JI, Kaviyarasu K. Innovative Preparation of Cellulose-Mediated Silver Nanoparticles for Multipurpose Applications: Experiment and Molecular Docking Studies. ACS OMEGA 2023; 8:38860-38870. [PMID: 37901521 PMCID: PMC10601087 DOI: 10.1021/acsomega.3c02432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/29/2023] [Indexed: 10/31/2023]
Abstract
In recent years, inorganic metal nanoparticle fabrication by extraction of a different part of the plant has been gaining more importance. In this research, cellulose-mediated Ag nanoparticles (cellulose/Ag NPs) with excellent antibacterial and antioxidant properties and photocatalytic activity have been synthesized by the microwave-assisted hydrothermal method. This method is a green, simple, and low-cost method that does not use any other capping or reducing agents. X-ray diffraction (XRD), Fourier transform infrared (FTIR), field emission scanning microscopy (FESEM), transmission electron microscopy (TEM), energy-dispersive X-ray (EDX), and UV-visible spectroscopic techniques were used to investigate the structure, morphology, as well as components of the generated cellulose/Ag NPs. In fact, XRD results confirm the formation of the face-centered cubic phase of Ag nanoparticles, while the FTIR spectra showed that the synergy of carbohydrates and proteins is responsible for the formation of cellulose/Ag NPs by the green method. It was found that the green-synthesized silver nanoparticles showed good crystallinity and a size range of about 20-30 nm. The morphology results showed that cellulose has a cavity-like structure and the green-synthesized Ag NPs were dispersed throughout the cellulose polymer matrix. In comparison to cellulose/Ag NPs and Ag nanoparticles, cellulose/Ag NPs demonstrated excellent antibacterial activity, Proteus mirabilis (MTCC 1771) possessed a maximum inhibition zone of 18.81.5 mm at 2.5 g/mL, and Staphylococcus aureus (MTTC 3615) had a minimum inhibition zone of 11.30.5 mm at 0.5 g/mL. Furthermore, cellulose/Ag NPs also exhibited a significant radical scavenging property against the DDPH free radical, and there was a higher degradation efficiency compared to pure Ag NPs against Rhodamine B as 97.38% removal was achieved. Notably, cellulose/Ag NPs remarkably promoted the transfer and separation of photogenerated electron-hole (e-/h+) pairs, thereby offering prospective application of the photodegradation efficiency for Rhodamine B (RhB) as well as antibacterial applications. With the findings from this study, we could develop efficient and environmentally friendly cellulose/Ag nanoparticles using low-cost, environmentally friendly materials, making them suitable for industrial and technological applications.
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Affiliation(s)
| | - Durairaj Shanthi
- Department
of Chemistry, VelTech MultiTech Dr. Rangarajan
Dr. Sakunthala Engineering College, Avadi, Chennai 600062, India
| | - Appusamy Muthukrishnaraj
- Department
of Chemistry, Faculty of Engineering, Karpagam
Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India
| | - Babu Venkatadri
- Department
of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan, ROC
| | - J. Irshad Ahamed
- Department
of Chemistry, Kandaswami Naidu College for
Men, Anna Nagar East, Chennai 600102, India
| | - Kasinathan Kaviyarasu
- UNESCO-UNISA
Africa Chair in Nanosciences/Nanotechnology Laboratories, College
of Graduate Studies, University of South
Africa (UNISA), Muckleneuk Ridge, Pretoria 0002, South Africa
- Nanosciences
African Network (NANOAFNET), Materials Research Group (MRG), iThemba LABS−National Research Foundation (NRF), 1 Old Faure Road, Somerset West 7129, Western Cape, South Africa
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Ahmed N, El-Tabakh MAM, Mohamed HF, Wu X, Xu C, Huang L. Molecular docking and antibacterial activity of Sargassum fusiforme extracts against major coral pathogens. World J Microbiol Biotechnol 2023; 39:318. [PMID: 37743438 DOI: 10.1007/s11274-023-03752-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 09/04/2023] [Indexed: 09/26/2023]
Abstract
The present study evaluates the antibacterial properties of alkaloids and the crude extracts (ethanol, n-hexane and ethyl acetate) from seaweed Sargassum fusiforme against coral pathogens (Photobacterium galatheae, Vibrio harveyi, Bordetella trematum, and Ochrobactrum pseudogrignonese) isolated from coral Porites lutea. To our knowledge, this is the first in vitro assay for such extracts on Porites lutea coral pathogens. Bacterial pathogens have been identified using 16S RNA and BankIt into gene bank and given the accession numbers (OR401000; OR401001; OR401336, and OR400998 respectively). GC-Mass profiling conducted for n-hexane compounds confirmed the presence of thirty-eight molecules, twelve of which have been previously reported for their bioactivity. The results revealed that alkaloids and n-hexane extract demonstrated eminent antibacterial activity compared to the other extracts against the tested coral pathogenic bacteria. Molecular docking was conducted to evaluate the twelve previously mentioned bioactive molecules to get a full understanding of the interaction of those bioactive molecules on vital bacterial proteins (Hemolysin protein (PDB ID: 1XEZ) and Cytoplasmic proteins (PDB ID: 3TZC)). Docked twelve molecules against hemolysin protein (PDB ID: 1XEZ) came exactly in line with the docked result of the same molecules with cytoplasmic proteins (PDB ID: 3TZC), proving the bioactivity of 6-O-Palmitoyl-L-ascorbic acid, 3TMS derivative; Glycerol monostearate, 2TMS derivative and Eicosanoic acid complexes in antibacterial activity action and score higher than reference ligand. Those three compounds will be investigated separately in future in vitro assay soon. Our conclusions align with the study's antibacterial in vitro assay results. The present study reports the novelty of different extracts of S. fusiforme as an antibacterial agent against coral pathogenic bacteria that trigger diseases in Porites lutea.
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Affiliation(s)
- Nedaa Ahmed
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, People's Republic of China.
- College of the Environment & Ecology, Xiamen University, Xiang'an district, Xiamen, 361102, People's Republic of China.
- Faculty of Science, Botany & Microbiology Department (Girls Branch), Al-Azhar University, Cairo, Egypt.
| | - Mohamed A M El-Tabakh
- Faculty of Science, Marine Biology and Ichthyology Branch, Zoology Department (Boys Branch), Al-Azhar University, Cairo, Egypt
| | - Hala F Mohamed
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, People's Republic of China
- Faculty of Science, Botany & Microbiology Department (Girls Branch), Al-Azhar University, Cairo, Egypt
| | - Xudong Wu
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, People's Republic of China
| | - Changan Xu
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, People's Republic of China
| | - Lingfeng Huang
- College of the Environment & Ecology, Xiamen University, Xiang'an district, Xiamen, 361102, People's Republic of China
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Ikram M, Karim R, Haider A, Shahzadi A, Algaradah MM, Ul-Hamid A, Nabgan W, Fouda AM, Ali S. Anomalous catalytic and antibacterial activity confirmed by molecular docking analysis of silver and polyacrylic acid doped CeO 2 nanostructures. RSC Adv 2023; 13:26149-26159. [PMID: 37664196 PMCID: PMC10472217 DOI: 10.1039/d3ra04760a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 08/26/2023] [Indexed: 09/05/2023] Open
Abstract
This research presents the novel synthesis of CeO2 nanostructures (NSs) doped with a fixed amount of capping agent (polyacrylic acid-PAA) and different concentrations (0.01 and 0.03) of silver (Ag). This work aimed to examine the catalytic and antibacterial efficacy with evidential molecular docking analysis of Ag/PAA doped CeO2. Systematic characterization was used to analyze the effect of Ag and a capping agent on crystal structure, morphology, absorbance wavelength, and the exciton recombination rate of CeO2. The silver metal and capping agent (PAA) were added into CeO2 to reduce the size of NSs, enhancing the catalytic efficacy. These binary dopants (Ag-PAA) based CeO2 revealed remarkable results for catalytic de-colorization of rhodamine B dye and antimicrobial potential as the dopants provide more active sites. Notably, (0.03) Ag/PAA doped CeO2 NSs exhibited a substantial catalytic reduction (98.9%) of rhodamine B dye in an acidic medium. The higher doped CeO2 revealed a significant inhibition zone (3.75 mm) against Escherichia coli at maximal concentration. Furthermore, in silico docking showed the possible inhibitory impact of produced nanomaterials on the fatty acid biosynthesis enzymes FabI and FabH.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - Rizwan Karim
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture Multan 66000 Pakistan
| | - Anum Shahzadi
- Faculty of Pharmacy, The University of Lahore 54000 Pakistan
| | | | - Anwar Ul-Hamid
- Core Research Facilities, Research Institute, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | - Walid Nabgan
- Departament d'Enginyeria Química, Universitat Rovira i Virgili Av Països Catalans 26 43007 Tarragona Spain
| | - Ahmed M Fouda
- Chemistry Department, Faculty of Science, King Khalid University Abha 61413 Saudi Arabia
| | - Salamat Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
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5
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Ikram M, Atiq I, Rafiq Butt A, shahzadi I, Ul-Hamid A, Haider A, Nabgan W, Medina F. Graphene oxide/polyvinylpyrrolidone-doped MoO 3 nanocomposites used for dye degradation and their antibacterial activity: a molecular docking analysis. Front Chem 2023; 11:1191849. [PMID: 37228862 PMCID: PMC10205020 DOI: 10.3389/fchem.2023.1191849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 04/21/2023] [Indexed: 05/27/2023] Open
Abstract
In this study, MoO3 nanostructures were prepared, doped with various concentrations of graphene oxide (2 and 4% GO) and a fixed amount of polyvinylpyrrolidone (PVP) using the co-precipitation method. The motive of this study was to examine the catalytic and antimicrobial efficacy with evidential molecular docking analyses of GO/PVP-doped MoO3. GO and PVP were utilized as doping agents to reduce the exciton recombination rate of MoO3 by providing more active sites that increase the antibacterial activity of MoO3. The prepared binary dopant (GO and PVP)-dependent MoO3 was used as an effective antibacterial agent against Escherichia coli (E. coli). Notably, 4% GO/PVP-doped MoO3 showed good bactericidal potential against E. coli at higher concentrations in comparison to ciprofloxacin. Furthermore, in silico docking revealed the possible inhibitory impact of the synthesized nanocomposites on folate and fatty acid synthesis enzymes, dihydrofolate reductase and enoyl-[acyl carrier protein] reductase, respectively.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, Punjab, Pakistan
| | - Iram Atiq
- Department of Physics, Lahore Garrison University, Lahore, Punjab, Pakistan
| | - Alvina Rafiq Butt
- Department of Physics, Lahore Garrison University, Lahore, Punjab, Pakistan
| | - Iram shahzadi
- Punjab University College of Pharmacy, University of the Punjab, Lahore, Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan, Punjab, Pakistan
| | - Walid Nabgan
- Departament d’Enginyeria Química, Universitat Rovira i Virgili, Tarragona, Spain
| | - Francisco Medina
- Departament d’Enginyeria Química, Universitat Rovira i Virgili, Tarragona, Spain
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6
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Physicochemical and Photocatalytic Properties of 3D-Printed TiO 2/Chitin/Cellulose Composite with Ordered Porous Structures. Polymers (Basel) 2022; 14:polym14245435. [PMID: 36559801 PMCID: PMC9781284 DOI: 10.3390/polym14245435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/09/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
In this study, we printed three-dimensional (3D) titanium dioxide (TiO2)/chitin/cellulose composite photocatalysts with ordered interconnected porous structures. Chitin microparticles were mixed with cellulose in the N-methylmorpholine-N-oxide (NMMO) solution to prepare the printing "ink". TiO2 nanoparticles were embedded on the chitin/cellulose composite in the NMMO removal process by water before the freeze-drying process to build the 3D cellulosic photocatalysts with well-defined porous structures. The 3D-printed TiO2/chitin/cellulose composites were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), and Energy Disperse Spectroscopy (EDS). The XRD and FTIR analyses showed that chitin had an interference effect on the crystal regeneration of cellulose and resulted in a large amount of amorphous phase. The SEM images show that the printed cellulosic strands had a hollow structure, and the EDS analysis showed that TiO2 nanoparticles were embedded on the chitin/cellulose composite surfaces. In the photocatalytic degradation process of methylene blue (MB) dye in an aqueous solution, the TiO2/chitin/cellulose 3D composite photocatalysts demonstrated efficient MB degradation activities with excellent reusability and stability, in which the chitin content performed the function of adjusting the MB degradation efficiency.
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7
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Bilal M, Ikram M, Shujah T, Haider A, Naz S, Ul-Hamid A, Naz M, Haider J, Shahzadi I, Nabgan W. Chitosan-Grafted Polyacrylic Acid-Doped Copper Oxide Nanoflakes Used as a Potential Dye Degrader and Antibacterial Agent: In Silico Molecular Docking Analysis. ACS OMEGA 2022; 7:41614-41626. [PMID: 36406528 PMCID: PMC9670908 DOI: 10.1021/acsomega.2c05625] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
This study examined the catalytic and bactericidal properties of polymer-doped copper oxide (CuO). For this purpose, a facile co-precipitation method was used to synthesize CuO nanostructures doped with CS-g-PAA. Various concentrations (2, 4, and 6%) of dopants were systematically incorporated into a fixed amount of CuO. The prepared samples were analyzed by different optical, structural, and morphological characterizations. Field emission scanning electron microscopy and transmission electron microscopy micrographs indicated that doping transformed CuO's agglomerated rod-like surface morphology to form nanoflakes. UV-vis spectroscopy revealed that the optical spectra of the samples exhibit a redshift after doping, leading to a decrease in band gap energy from 3.3 to 2.5 eV. The purpose of the study was to test the catalytic activity of pristine and CS-g-PAA doped CuO for the degradation of methylene blue in acidic, basic, and neutral conditions using NaBH4 as a reducing agent in an aqueous medium. Furthermore, antibacterial activity was evaluated against Gram-positive and Gram-negative bacteria, namely, Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli). Overall, enhanced bactericidal performance was observed upon doping CS-g-PAA into CuO, i.e., 4.25-6.15 and 4.40-8.15 mm against S. aureus and 1.35-4.20 and 2.25-5.25 mm against E. coli at the lowest and highest doses, respectively. The relevant catalytic and bactericidal action mechanisms of samples are also proposed in the study. Moreover, in silico molecular docking studies illustrated the role of these prepared nanomaterials as possible inhibitors of FabH and FabI enzymes of the fatty acid biosynthetic pathway.
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Affiliation(s)
- Muhammad Bilal
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore54000, Punjab, Pakistan
| | - Muhammad Ikram
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore54000, Punjab, Pakistan
| | - Tahira Shujah
- Department
of Physics, University of Central Punjab, Lahore54000, Punjab, Pakistan
| | - Ali Haider
- Department
of Clinical Medicine, Faculty of Veterinary and Animal Sciences, Muhammad
Nawaz Shareef, University of Agriculture, 66000Multan, Punjab, Pakistan
| | - Sadia Naz
- Tianjin
Institute of Industrial Biotechnology, Chinese
Academy of Sciences, Tianjin300308, China
| | - Anwar Ul-Hamid
- Core
Research Facilities, King Fahd University
of Petroleum & Minerals, Dhahran31261, Saudi Arabia
| | - Misbah Naz
- Department
of Chemistry, University of the Education, 54000Lahore, Pakistan
| | - Junaid Haider
- Tianjin
Institute of Industrial Biotechnology, Chinese
Academy of Sciences, Tianjin300308, China
| | - Iram Shahzadi
- Punjab
University College of Pharmacy, Allama Iqbal Campus, University of the Punjab, Lahore54000, Pakistan
| | - Walid Nabgan
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, 43007Tarragona, Spain
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Ikram M, Rasheed F, Haider A, Naz S, Ul-Hamid A, Shahzadi A, Haider J, Shahzadi I, Hayat S, Ali S. Photocatalytic and antibacterial activity of graphene oxide/cellulose-doped TiO 2 quantum dots: in silico molecular docking studies. NANOSCALE ADVANCES 2022; 4:3764-3776. [PMID: 36133332 PMCID: PMC9470022 DOI: 10.1039/d2na00383j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 07/27/2022] [Indexed: 06/16/2023]
Abstract
Graphene oxide (GO) and cellulose nanocrystal (CNC)-doped TiO2 quantum dots (QDs) were effectively synthesized by employing the co-precipitation method for the degradation of dyes and antimicrobial applications. A series of characterizations, i.e., XRD, FTIR, UV-visible spectroscopy, EDS, FE-SEM, and HR-TEM, was used to characterize the prepared samples. A reduction in PL intensity was observed, while the band gap energy (E g) decreased from 3.22 to 2.96 eV upon the incorporation of GO/CNC in TiO2. In the Raman spectra, the D and G bands were detected, indicating the presence of graphene oxide in the composites. Upon doping, the crystallinity of TiO2 increased. HR-TEM was employed to estimate the interlayer d-spacing of the nanocomposites, which matched well with the XRD data. The photocatalytic potential of the prepared samples was tested against methylene blue, methylene violet, and ciprofloxacin (MB:MV:CF) when exposed to visible light for a certain period. The antibacterial activity of GO/CNC/TiO2 QDs against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) bacteria in vitro was tested to determine their potential for medicinal applications. The molecular docking investigations of CNC-TiO2 and GO/CNC-doped TiO2 against DNA gyrase and FabI from E. coli and S. aureus were found to be consistent with the results of the in vitro bactericidal activity test. We believe that the prepared nanocomposites will be highly efficient for wastewater treatment and antimicrobial activities.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - Fahad Rasheed
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture Multan 6000 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 & Minerals Dhahran 31261 Saudi Arabia
| | - Anum Shahzadi
- Faculty of Pharmacy, The University of Lahore Lahore Pakistan
| | - 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 54000 Pakistan
| | - Shaukat Hayat
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - Salamat Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
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9
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Shahzadi I, Islam M, Saeed H, Haider A, Shahzadi A, Haider J, Ahmed N, Ul-Hamid A, Nabgan W, Ikram M, Rathore HA. Formation of biocompatible MgO/cellulose grafted hydrogel for efficient bactericidal and controlled release of doxorubicin. Int J Biol Macromol 2022; 220:1277-1286. [PMID: 36030978 DOI: 10.1016/j.ijbiomac.2022.08.142] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 08/12/2022] [Accepted: 08/17/2022] [Indexed: 11/05/2022]
Abstract
In this study, MgO-doped CNC-g-PAA hydrogel was synthesized by grafting poly (acrylic acid) (PAA) onto cellulose nanocrystals (CNC) and then doped Magnesium oxide (MgO) using pH 7.0 and 12.0 to obtain an efficient nanocomposite hydrogel for antibacterial and anti-cancer activities. The synthesized nanocomposite hydrogels were evaluated by detailed characterization and confirmed the formation of a well-interconnected porous structure. MgO/CNC-g-PAA (pH = 12.0) exhibited improved bactericidal tendencies towards gram-negative and gram-positive bacteria, which was further investigated by in-silico molecular docking analyses and also examined the reactive oxygen species production by photocatalysis and free radical-scavenging assay. After this, Doxorubicin (DOX), a model anticancer drug, was successfully loaded into nanocomposites (~79 %) by electrostatic interaction and confirmed pH-triggered based release, which was over 53.7 % in 24 h. Finally, in vitro cytotoxicity-based analysis confirmed the improved antitumor efficacy of nanocomposite hydrogels. These findings revealed that MgO/CNC-g-PAA hydrogels might be prospective carriers for controlled drug delivery.
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Affiliation(s)
- Iram Shahzadi
- Punjab University College of Pharmacy, Allama Iqbal Campus, University of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Muhammad Islam
- Punjab University College of Pharmacy, Allama Iqbal Campus, University of the Punjab, Lahore 54000, Punjab, Pakistan.
| | - Hamid Saeed
- Punjab University College of Pharmacy, Allama Iqbal Campus, University of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan 66000, Punjab, Pakistan
| | - Anum Shahzadi
- Faculty of Pharmacy, University of Lahore, Lahore 54000, Pakistan
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, PR China
| | - Nadeem Ahmed
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, 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, Av Països Catalans 26, 43007 Tarragona, Spain.
| | - Muhammad Ikram
- Solar Cell Application Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan.
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Ikram M, Khalid A, Shahzadi A, Haider A, Naz S, Naz M, Shahzadi I, Ul-Hamid A, Haider J, Nabgan W, Butt AR. Enhanced Photocatalytic Degradation with Sustainable CaO Nanorods Doped with Ce and Cellulose Nanocrystals: In Silico Molecular Docking Studies. ACS OMEGA 2022; 7:27503-27515. [PMID: 35967076 PMCID: PMC9366988 DOI: 10.1021/acsomega.2c02732] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 07/14/2022] [Indexed: 05/28/2023]
Abstract
This research work intends to evaluate the photoactivity of calcium oxide (CaO) nanorods (NRs) doped with cellulose nanocrystals (CNCs) and cerium (Ce). CNC-doped CaO and Ce/CNC codoped CaO were synthesized via the sol-gel technique. Structural, optical, morphological, physiochemical, phase constitution, and functional group evaluations were performed. The photodegradation of the prepared nanostructures was analyzed by observing photodegradation of a mixture of methylene blue and ciprofloxacin dye under light irradiation. The photocatalytic activity of the dye was drastically enhanced upon codoping in CaO. For both Escherichia coli and Staphylococcus aureus, statistically significant inhibitory zones (p < 0.05) were achieved in the case of CNCs and pristine and codoped CaO. Furthermore, in silico molecular docking studies (MDS) were accomplished against DNA gyrase from nucleic acid biosynthesis and enoyl-[acyl-carrier-protein] reductase (FabI) from the fatty acid biosynthetic pathway to rationalize the possible mechanism behind these antibacterial activities.
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Affiliation(s)
- Muhammad Ikram
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, Punjab 54000, Pakistan
| | - Ayesha Khalid
- Physics
Department, Lahore Garrison University Lahore, Lahore, Punjab 54000, Pakistan
| | - Anum Shahzadi
- Faculty
of Pharmacy, The University of Lahore, Lahore, Punjab 54000, Pakistan
| | - Ali Haider
- Faculty
of Veterinary and Animal Sciences, Muhammad
Nawaz Shareef University Agriculture, Multan, Punjab 60000, Pakistan
| | - Sadia Naz
- Tianjin
Institute of Industrial Biotechnology, Chinese
Academy of Sciences, Tianjin 300308, China
| | - Misbah Naz
- Department
of Chemistry, Division of Science and Technology, University of Education, Lahore, Punjab 54000, Pakistan
| | - Iram Shahzadi
- Punjab
University College of Pharmacy, University of the Punjab, Lahore, Punjab 54000, Pakistan
| | - 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
| | - Walid Nabgan
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, Av
Països Catalans 26, 43007 Tarragona, Spain
| | - Alvina Rafiq Butt
- Physics
Department, Lahore Garrison University Lahore, Lahore, Punjab 54000, Pakistan
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11
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Ikram M, Hafeez I, Naz M, Haider A, Naz S, Ul-Hamid A, Haider J, Shahzadi A, Imran M, Nabgan W, Ali S. Highly Efficient Industrial Dye Degradation, Bactericidal Properties, and In Silico Molecular Docking Analysis of Ag/Cellulose-Doped CuO Nanostructures. ACS OMEGA 2022; 7:17043-17054. [PMID: 35647468 PMCID: PMC9134382 DOI: 10.1021/acsomega.2c00240] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 04/26/2022] [Indexed: 05/25/2023]
Abstract
In this research, CuO nanostructures doped with Ag and cellulose nanocrystals (CNC) were synthesized using a facile coprecipitation technique. In this work, we doped Ag into fixed quantities of CNC and CuO to improve the photocatalytic, catalytic, and antibacterial activity. It was noted that catalytic activity increased upon doping, which was attributed to the formation of nanorods and a pH effect, while the reverse trend was observed in photocatalytic activity. The addition of Ag and CNC dopants into CuO improved the bactericidal efficacy for S. aureus and E. coli. In addition, to obtain insight into the possible mechanism behind their biocidal effects, molecular docking studies were conducted against specific enzyme targets: namely, dihydrofolate reductase from E. coli and DNA gyrase from S. aureus. This study suggested that codoped CuO could be highly efficient in the cleaning of polluted water and antibacterial applications.
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Affiliation(s)
- Muhammad Ikram
- Solar
Cell Application Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
| | - Izan Hafeez
- Department
of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore 54000, Pakistan
| | - Misbah Naz
- Department
of Chemistry, Division of Science & Technology, University of Education, Lahore 54770, Pakistan
| | - Ali Haider
- Faculty
of Veterinary and Animal Sciences, Muhammad
Nawaz Shareef University of Agriculture, Multan 66000, Punjab, Pakistan
| | - Sadia Naz
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, People’s Republic of China
| | - 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, People’s Republic of China
| | - Anum Shahzadi
- Faculty
of Pharmacy, The University of Lahore, Lahore 54000, Pakistan
| | - Muhammad 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, People’s Republic of China
| | - Walid Nabgan
- School
of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, Av.
Països Catalans 26, 43007 Tarragona, Spain
| | - 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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12
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Ikram M, Asghar R, Imran M, Naz M, Haider A, Ul-Hamid A, Haider J, Shahzadi A, Nabgan W, Goumri-Said S, Kanoun MB, Rafiq Butt A. Experimental and Computational Study of Zr and CNC-Doped MnO 2 Nanorods for Photocatalytic and Antibacterial Activity. ACS OMEGA 2022; 7:14045-14056. [PMID: 35559144 PMCID: PMC9089389 DOI: 10.1021/acsomega.2c00583] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 04/04/2022] [Indexed: 05/31/2023]
Abstract
Cellulose nanocrystals (CNC), MnO2, CNC-doped MnO2, and Zr/CNC-doped MnO2 were prepared with a hydrothermal method to assess their photocatalytic and antibacterial properties. Various characterizations were undertaken to determine the phase composition, the existence of functional units, optical characteristics, elemental analysis, surface topography, and microstructure of the prepared materials. Sample crystallinity was improved, whereas a decrease in crystallite size was observed with increasing amounts of dopants. Incorporation of dopants (CNC and Zr) into MnO2 instigated a transformation in morphology from nanoclusters to nanorods with different diameters. Furthermore, photocatalytic activity experiments indicated a more effective degradation of methylene blue (MB) dye with CNC-doped MnO2 and Zr/CNC-codoped MnO2 while enhancing the bacterial efficacy for both G +ve and G -ve. Density functional theory was utilized to model the structures and elucidate their bonding and charge transfer mechanisms. The Zr/CNC-MnO2 system showed charge depletion around Mn atoms, while charges were observed to accumulate around oxygen atoms.
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Affiliation(s)
- Muhammad Ikram
- Solar
Cell Application Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
| | - Rabiya Asghar
- Physics
Department, Lahore Garrison University Lahore 54000, Punjab, Pakistan
| | - Muhammad Imran
- State
Key Laboratory of Chemical Resource Engineering, Beijing Advanced
Innovation Centre for Soft Matter Science and Engineering, Beijing
Engineering Centre for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, China
| | - Misbah Naz
- Department
of Chemistry, Division of Science & Technology, University of Education, Lahore 54000, Pakistan
| | - Ali Haider
- Faculty
of Veterinary and Animal Sciences, Muhammad
Nawaz Shareef University of Agriculture, Multan 66000, Punjab, 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 Lahore, Lahore54000, Pakistan
| | - Walid Nabgan
- School
of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, Av
Països Catalans 26, 43007 Tarragona, Spain
| | - 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
| | - Alvina Rafiq Butt
- Physics
Department, Lahore Garrison University Lahore 54000, Punjab, Pakistan
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13
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Khan AD, Ikram M, Haider A, Ul-Hamid A, Nabgan W, Haider J. Polyvinylpyrrolidone and chitosan-doped lanthanum oxide nanostructures used as anti-bacterial agents and nano-catalyst. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02471-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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14
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Huang L, Chen R, Luo J, Hasan M, Shu X. Synthesis of phytonic silver nanoparticles as bacterial and ATP energy silencer. J Inorg Biochem 2022; 231:111802. [DOI: 10.1016/j.jinorgbio.2022.111802] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 03/07/2022] [Accepted: 03/13/2022] [Indexed: 12/28/2022]
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15
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Ikram M, Imran M, Hayat S, Shahzadi A, Haider A, Naz S, Ul-Hamid A, Nabgan W, Fazal I, Ali S. MoS 2/cellulose-doped ZnO nanorods for catalytic, antibacterial and molecular docking studies. NANOSCALE ADVANCES 2021; 4:211-225. [PMID: 36132956 PMCID: PMC9417535 DOI: 10.1039/d1na00648g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 10/30/2021] [Indexed: 05/31/2023]
Abstract
Cellulose nanocrystals (CNCs) and molybdenum disulphide (MoS2) incorporated into ZnO nanorods (NRs) were synthesized via a chemical precipitation route at room temperature. All concerned samples were characterized to examine their optical properties, elemental composition, phase formation, surface morphology and functional group presence. The aim of this research was to enhance the catalytic properties of ZnO by co-doping with various concentrations of CNCs and MoS2 NRs. It was renowned that doped ZnO NRs showed superior catalytic activity compared to bare ZnO NRs. Statistically significant (p < 0.05) inhibition zones for samples were recorded for E. coli and S. aureus at low and high concentrations, respectively. The in vitro bactericidal potential of ZnO-CNC and ZnO-CNC-MoS2 nanocomposites was further confirmed through in silico molecular docking predictions against the DHFR and DHPS enzymes of E. coli and S. aureus. Molecular docking studies suggested the inhibition of these enzyme targets by CNC nanocomposites as a possible mechanism governing their bactericidal activity.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Application Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - Muhammad 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
| | - Shoukat Hayat
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - Anum Shahzadi
- Faculty of Pharmacy, University of the Lahore Lahore Pakistan
| | - Ali Haider
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences 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 & Minerals Dhahran 31261 Saudi Arabia
| | - Walid Nabgan
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia 81310 Skudai Johor Malaysia
| | - Iqra Fazal
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - Salamat Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
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Xu T, Du H, Liu H, Liu W, Zhang X, Si C, Liu P, Zhang K. Advanced Nanocellulose-Based Composites for Flexible Functional Energy Storage Devices. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2101368. [PMID: 34561914 DOI: 10.1002/adma.202101368] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/05/2021] [Indexed: 05/23/2023]
Abstract
With the increasing demand for wearable electronics (such as smartwatch equipment, wearable health monitoring systems, and human-robot interface units), flexible energy storage systems with eco-friendly, low-cost, multifunctional characteristics, and high electrochemical performances are imperative to be constructed. Nanocellulose with sustainable natural abundance, superb properties, and unique structures has emerged as a promising nanomaterial, which shows significant potential for fabricating functional energy storage systems. This review is intended to provide novel perspectives on the combination of nanocellulose with other electrochemical materials to design and fabricate nanocellulose-based flexible composites for advanced energy storage devices. First, the unique structural characteristics and properties of nanocellulose are briefly introduced. Second, the structure-property-application relationships of these composites are addressed to optimize their performances from the perspective of processing technologies and micro/nano-interface structure. Next, the recent specific applications of nanocellulose-based composites, ranging from flexible lithium-ion batteries and electrochemical supercapacitors to emerging electrochemical energy storage devices, such as lithium-sulfur batteries, sodium-ion batteries, and zinc-ion batteries, are comprehensively discussed. Finally, the current challenges and future developments in nanocellulose-based composites for the next generation of flexible energy storage systems are proposed.
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Affiliation(s)
- Ting Xu
- Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Haishun Du
- Department of Chemical Engineering, Auburn University, Auburn, AL, 36849, USA
| | - Huayu Liu
- Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Wei Liu
- Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Xinyu Zhang
- Department of Chemical Engineering, Auburn University, Auburn, AL, 36849, USA
| | - Chuanling Si
- Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Peiwen Liu
- Department of Wood Technology and Wood-Based Composites, University of Göttingen, D-37077, Göttingen, Germany
- College of Engineering, Huazhong Agricultural University, Wuhan, 430070, China
| | - Kai Zhang
- Department of Wood Technology and Wood-Based Composites, University of Göttingen, D-37077, Göttingen, Germany
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Biocidal Properties of Zinc Oxide-Titanium Dioxide-Graphene Oxide Nanocomposites via One-Pot Facile Precipitation Method. BIONANOSCIENCE 2021. [DOI: 10.1007/s12668-021-00919-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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18
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Liu J, Wang S, Jiang L, Shao W. Production and characterization of antimicrobial bacterial cellulose membranes with non-leaching activity. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.07.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Maślana K, Żywicka A, Wenelska K, Mijowska E. Boosting of Antibacterial Performance of Cellulose Based Paper Sheet via TiO 2 Nanoparticles. Int J Mol Sci 2021; 22:ijms22031451. [PMID: 33535598 PMCID: PMC7867162 DOI: 10.3390/ijms22031451] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 11/30/2022] Open
Abstract
Here, we aimed to boost antibacterial performance of cellulose fibers for paper sheet application. Therefore, TiO2 nanoparticles have been used with controlled loading onto the surface of the fibers. A simple and facile composite preparation route based on ultrasound and mechanical assisted stirring has been developed. We tested cellulose paper enriched by TiO2 from 1.0 wt% to 8.0 wt%, respectively. Antibacterial performance has been studied against Staphylococcus aureus and Escherichia coli bacteria. Studies showed that all composites exhibit significant capability to reduce living cells of S. aureus and E. coli bacteria at least 60%. The simplicity, low cost, and reproducibility of the prepared method indicates the potential to be scaled up for industrial applications.
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Affiliation(s)
- Klaudia Maślana
- Department of Nanomaterials Physicochemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, Piastow Ave. 42, 71-065 Szczecin, Poland; (K.W.); (E.M.)
- Correspondence: ; Tel.: +48-91-449-6052
| | - Anna Żywicka
- Department of Microbiology and Biotechnology, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology, Szczecin, Piastów 45, 70-311 Szczecin, Poland;
| | - Karolina Wenelska
- Department of Nanomaterials Physicochemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, Piastow Ave. 42, 71-065 Szczecin, Poland; (K.W.); (E.M.)
| | - Ewa Mijowska
- Department of Nanomaterials Physicochemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, Piastow Ave. 42, 71-065 Szczecin, Poland; (K.W.); (E.M.)
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