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García Y, Aguilar J, Polania L, Duarte Y, Sellergren B, Jiménez VA. Rational Design and Evaluation of Photoactive Molecularly Imprinted Nanoparticles for Tetracycline Degradation Under Visible Light. ACS OMEGA 2024; 9:33140-33152. [PMID: 39100280 PMCID: PMC11292816 DOI: 10.1021/acsomega.4c04550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 07/01/2024] [Accepted: 07/15/2024] [Indexed: 08/06/2024]
Abstract
This work presents the use of photoactive molecularly imprinted nanoparticles (MINs) to promote antibiotic degradation under visible light irradiation. Prototype MINs for the model antibiotic tetracycline (TC) were developed using molecular dynamics simulations to predict the TC-binding capacity of seven pre-polymerization mixtures. The studied formulations contained varying proportions of functional monomers with diverse physicochemical profiles, namely N-isopropylacrylamide (NIPAM), N-tert-butylacrylamide (TBAM), acrylic acid (AA), and (N-(3-aminopropyl)methacrylamide hydrochloride) (APMA) and a constant ratio of the cross-linker N,N'-methylene-bis-acrylamide (BIS). Two monomer formulations showed markedly higher TC-binding capacities based on template-monomer interaction energies. These mixtures were used to synthesize photoactive MINs by high-dilution radical polymerization, followed by the EDC/NHS conjugation with the organic photosensitizer toluidine blue. MINs showed higher TC-binding capacities than non-imprinted nanoparticles (nINs) of identical composition. MINs and nINs exhibited photodynamic activity under visible light irradiation, as confirmed by singlet oxygen generation experiments. TC degradation was evaluated in 50 μmol L-1 solutions placed in microplate wells containing immobilized nanoparticles and irradiated with white LED light (150 W m-2) for 1 h at room temperature. Degradation followed pseudo-zero-order kinetics with accelerated profiles in MIN-containing wells. Our findings suggest a key role of molecularly imprinted cavities in bringing TC closer to the photosensitizing moieties, minimizing the loss of oxidative potential due to reactive oxygen species diffusion. This degradation strategy can potentially extend to any organic pollutants for which MINs can be synthesized and opens valuable opportunities for exploring novel applications for molecularly imprinted materials.
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Affiliation(s)
- Yadiris García
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Autopista Concepción-Talcahuano, Talcahuano 7100, Chile
| | - Joao Aguilar
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Autopista Concepción-Talcahuano, Talcahuano 7100, Chile
| | - Laura Polania
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Autopista Concepción-Talcahuano, Talcahuano 7100, Chile
| | - Yorley Duarte
- Center for Bioinformatics and Integrative Biology (CBIB), Facultad de Ciencias de la Vida, Universidad Andres Bello, República, 239, Santiago 8370146, Chile
| | - Börje Sellergren
- Surecapture Technologies AB, Per Albin Hanssons väg 35, Malmö 214 32, Sweden
- Biofilms Research Center for Biointerfaces, Malmö University, Per Albin Hanssons väg 35, Malmö 214 32, Sweden
| | - Verónica A Jiménez
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Autopista Concepción-Talcahuano, Talcahuano 7100, Chile
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Huang Q, Qi J, Zhou L, Wang Y, Zhang WX, Hu J, Tai R, Wang S, Liu A, Zhang L. Hydrogen Nanobubbles Generated In Situ from Nanoscale Zerovalent Iron with Water to Further Enhance Selenite Sequestration. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:4357-4367. [PMID: 38326940 DOI: 10.1021/acs.est.3c09187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Gas nanobubbles used for water treatment and recovery give rise to great concern for their unique advantages of less byproducts, higher efficiency, and environmental friendliness. Nanoscale zerovalent iron (nZVI), which has also been widely explored in the field of environmental remediation, can generate gas hydrogen by direct reaction with water. Whether nanoscale hydrogen bubbles can be produced to enhance the pollution removal of the nZVI system is one significant concern involved. Herein, we report direct observations of in situ generation of hydrogen nanobubbles (HNBs) from nZVI in water. More importantly, the formed HNBs can enhance indeed the reduction of Se(IV) beyond the chemical reduction ascribed to Fe(0), especially in the anaerobic environment. The possible mechanism is that HNBs enhance the reducibility of the system and promote electron transport in the solution. This study demonstrates a unique function of HNBs combined with nZVI for the pollutant removal and a new approach for in situ HNB generation for potential applications in the fields of in situ remediation agriculture, biotechnology, medical treatment, health, etc.
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Affiliation(s)
- Qing Huang
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Juncheng Qi
- University of the Chinese Academy of Sciences, Beijing 100049, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Limin Zhou
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Yao Wang
- University of the Chinese Academy of Sciences, Beijing 100049, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Wei-Xian Zhang
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Jun Hu
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Renzhong Tai
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Shizhong Wang
- School of Environmental Science and Engineering, Guangdong Provincial Key Lab of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Airong Liu
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Lijuan Zhang
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
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Fitzgerald E, Kumar A, Poulose S, Coey JMD. Interaction and Stability of Nanobubbles and Prenucleation Calcium Clusters during Ultrasonic Treatment of Hard Water. ACS OMEGA 2024; 9:2547-2558. [PMID: 38250393 PMCID: PMC10795157 DOI: 10.1021/acsomega.3c07305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/27/2023] [Accepted: 12/08/2023] [Indexed: 01/23/2024]
Abstract
To investigate the stability of nanobubbles in natural hard water, a series of eight samples ranging in hardness from 0 to 332 mg/L CaCO3 were sonicated for periods of 5-45 min with an ultrasonic horn. Conductivity, temperature, ζ-potential, composition, and pH of the water were analyzed, together with the crystal structure of any calcium carbonate precipitate. Quasi-stable populations of bulk nanobubbles in Millipore and soft water are characterized by a ζ-potential of -35 to -20 mV, decaying over 60 h or more. After sonicating the hardest waters for about 10 min, they turn cloudy due to precipitation of amorphous calcium carbonate when the water temperature reaches 40 °C; the ζ-potential then jumps from -10 to +20 mV and remains positive for several days. From an analysis of the change of conductivity of the hard water before and after sonication, it is estimated that 37 ± 5% of calcium was not originally in solution but existed in nanoscale prenucleation clusters, which decorate the nanobubbles formed in the early stages of sonication. Heating and charge screening in the nanobubble colloid cause the decorated bubbles to collapse or disperse, leaving an amorphous precursor of aragonite. Sonicating the soft supernatant increases its conductivity and pH and restores the negative ζ-potential associated with bulk nanobubbles, but there is no further precipitation. Our study of the correlation between nanobubble production and calcium agglomeration spanning the hardness and composition ranges of natural waters shows that the sonication method for introducing nanobubbles is viable only for hard water if it is kept cold; the stability of the nanobubble colloid will be reduced in any case by the presence of dissolved calcium and magnesium.
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Affiliation(s)
- Eavan Fitzgerald
- School of Physics, Trinity College Dublin, Dublin D02 PN40, Ireland
| | - Anup Kumar
- School of Physics, Trinity College Dublin, Dublin D02 PN40, Ireland
| | - Sruthy Poulose
- School of Physics, Trinity College Dublin, Dublin D02 PN40, Ireland
| | - J. M. D. Coey
- School of Physics, Trinity College Dublin, Dublin D02 PN40, Ireland
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Labarre LA, Saint-Jalmes A, Vigolo D. Microfluidics investigation of the effect of bulk nanobubbles on surfactant-stabilised foams. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Bulk Nanobubbles: generation using a two-chamber swirling flow nozzle and long-term stability in water. J Flow Chem 2021. [DOI: 10.1007/s41981-021-00208-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Zhang M, Cao S, Liu A, Cornelissen JJLM, Lemay SG. Self-Assembly of Viral Capsid Proteins Driven by Compressible Nanobubbles. J Phys Chem Lett 2020; 11:10421-10424. [PMID: 33269936 DOI: 10.1021/acs.jpclett.0c02658] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Colloidal nanobubbles occur in gas-saturated aqueous solutions following high power water electrolysis. Here the influence of nanobubble solutions on the self-assembly properties of viral capsid proteins (CP) was investigated. Interestingly, we found that gas solutions were able to trigger the self-assembly of CP of cowpea chlorotic mottle virus (CCMV) in the absence of the viral genome, most likely by acting as a negatively charged template. The process was demonstrated by three distinct techniques, namely, dynamic light scattering (DLS), atomic force microscopy (AFM), and transmission electron microscopy (TEM). Furthermore, nanobubble-induced self-assembly of viral CP was found to depend on protein concentration. Low CP concentrations led to assembly of 18 nm virus-like particles (VLPs), comparable to T = 1 (Casper and Klug triangulation number) virus capsids, whereas high CP concentrations led to 28 nm VLPs (similar to T = 3 capsids). This paves a new route for self-assembly of VLPs.
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Affiliation(s)
- Minmin Zhang
- Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China
- Bioelectronics Research Group, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands
| | - Shuqin Cao
- Laboratory for Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands
| | - Aijie Liu
- Laboratory for Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands
| | - Jeroen J L M Cornelissen
- Laboratory for Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands
| | - Serge G Lemay
- Bioelectronics Research Group, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands
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Kumar S, Ray D, Abbas S, Saha D, Aswal VK, Kohlbrecher J. Reentrant phase behavior of nanoparticle solutions probed by small-angle scattering. Curr Opin Colloid Interface Sci 2019. [DOI: 10.1016/j.cocis.2019.02.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Zhang M, Lemay SG. Interaction of Anionic Bulk Nanobubbles with Cationic Liposomes: Evidence for Reentrant Condensation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4146-4151. [PMID: 30811209 PMCID: PMC6427481 DOI: 10.1021/acs.langmuir.8b03927] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 02/25/2019] [Indexed: 06/09/2023]
Abstract
We investigated the interaction of bulk nanobubbles with cationic liposomes composed of 1,2-dioleoyl- sn-glycero-3-ethylphosphocholine and anionic liposomes assembled from 1-palmitoyl-2-oleoyl- sn-glycero-3-phospho-(1'- rac-glycerol). We employed dynamic light scattering and fluorescence microscopy to investigate both the hydrodynamic and electrophoretic properties of the nanobubble/liposome complexes. These optical techniques permit direct visualization of structural changes as a function of the bubble/liposome ratio. We observed reentrant condensation with cationic liposomes and gas nucleation with anionic liposomes. This is the first report of charge inversion and reentrant condensation of cationic liposomes induced by bulk nanobubbles.
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Affiliation(s)
- Minmin Zhang
- MESA+ Institute for Nanotechnology
& Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Serge G. Lemay
- MESA+ Institute for Nanotechnology
& Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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