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Kundu A, Gao X, Khandelwal N, Banerjee A, Ghoshal S. Oleic-acid functionalized mesoporous silica nanoparticles with a hydroxyapatite core enhanced growth of the hydrocarbon degrader Dietzia maris at oil-water interfaces. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132653. [PMID: 37820524 DOI: 10.1016/j.jhazmat.2023.132653] [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: 07/20/2023] [Revised: 09/13/2023] [Accepted: 09/26/2023] [Indexed: 10/13/2023]
Abstract
Rapid biodegradation of poorly water-soluble hydrocarbons as nonaqueous (oil) phases in contaminated aquatic environments is enabled by attachment of hydrocarbon-degrading bacteria to the oil-water interface. Herein, we report the synthesis of nanoparticles comprising a hydroxyapatite (Ca5(PO4)3(OH)) core encapsulated in a mesoporous silica shell and surface-modified with oleic acid (OA-nHAP@MSN) for targeted binding at the oil-water interface and to supply P to bacteria at the interface. P is an essential and often limiting nutrient for bacteria in hydrocarbon-contaminated environments. In microcosm experiments, where the hydrocarbon-degrading bacteria, Dietzia maris strain NWWC4, and OA-nHAP@MSN were inoculated in mineral media in contact with pure liquid hexadecane (sole C source), there was 419.6-fold growth at the hexadecane-water interface, compared to 31.2-fold in identical, but NP-free microcosms. The continuous release of P from the hydroxyapatite core in OA-nHAP@MSN to water was demonstrated in separate experiments in well mixed batch systems and was found to be pH-sensitive. Environmental Scanning Electron Microscopy showed significantly larger cell aggregates and dense biofilms in the OA-nHAP@MSN-amended systems, compared to NP-free systems. Our results demonstrate a strategy for enhancing oil-spill bioremediation using NPs targeting nutrient supply to hydrocarbon-degrading bacteria at oil-water interfaces.
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Affiliation(s)
- Anirban Kundu
- Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Xiaoyu Gao
- Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Nitin Khandelwal
- Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Anwesha Banerjee
- Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Subhasis Ghoshal
- Department of Civil Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada.
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2
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Shayesteh H, Khosrowshahi MS, Mashhadimoslem H, Maleki F, Rabbani Y, Emrooz HBM. Durable superhydrophobic/superoleophilic melamine foam based on biomass-derived porous carbon and multi-walled carbon nanotube for oil/water separation. Sci Rep 2023; 13:4515. [PMID: 36934146 PMCID: PMC10024746 DOI: 10.1038/s41598-023-31770-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 03/16/2023] [Indexed: 03/20/2023] Open
Abstract
In the present study, fabrications of two eco-friendly superhydrophobic/superoleophilic recyclable foamy-based adsorbents for oil/water mixture separation were developed. Hierarchically biomass (celery)-derived porous carbon (PC) and multi-walled carbon nanotube (MWCNT) were firstly synthesized and loaded on pristine melamine foam (MF) by the simple dip-coating approach by combining silicone adhesive to create superhydrophobic/superoleophilic, recyclable, and reusable three-dimensional porous structure. The prepared samples have a large specific surface area of 240 m2/g (MWCNT), 1126 m2/g (PC), and good micro-mesoporous frameworks. The water contact angle (WCA) values of the as-prepared foams, PC/MF and MWCNT/MF, not only were 159.34° ± 1.9° and 156.42° ± 1.6°, respectively but also had oil contact angle (OCA) of equal to 0° for a wide range of oils and organic solvents. Therefore, PC/MF and MWCNT/MF exhibited superhydrophobicity and superoleophilicity properties, which can be considered effective adsorbents in oil/water mixture separations. In this context, superhydrophobic/superoleophilic prepared foams for kind of different oils and organic solvents were shown to have superior separation performance ranges of 54-143 g/g and 46-137 g/g for PC/MF and MWCNT/MF, respectively, suggesting a new effective porous material for separating oil spills. Also, outstanding recyclability and reusability of these structures in the ten adsorption-squeezing cycles indicated that the WCA and sorption capacity has not appreciably changed after soaking into acidic (pH = 2) and alkaline (pH = 12) as well as saline (3.5% NaCl) solutions. More importantly, the reusability and chemical durability of the superhydrophobic samples made them good opportunities for use in different harsh conditions for oil-spill cleanup.
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Affiliation(s)
- Hadi Shayesteh
- Faculty of Chemical Engineering, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran
| | - Mobin Safarzadeh Khosrowshahi
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran
| | - Hossein Mashhadimoslem
- Faculty of Chemical Engineering, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran
| | - Farid Maleki
- Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, No. 424, Hafez St, Tehran, Iran
| | - Yahya Rabbani
- School of Chemical Engineering, College of Engineering, University of Tehran (UT), Tehran, Iran
| | - Hosein Banna Motejadded Emrooz
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran.
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3
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Alsmaeil AW, Kouloumpis A, Potsi G, Hammami MA, Kanj MY, Giannelis EP. Probing the Interfacial Properties of Oil-Water Interfaces Decorated with Ionizable, pH Responsive Silica Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:3118-3130. [PMID: 36791471 DOI: 10.1021/acs.langmuir.2c03286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Particle-stabilized emulsions (Pickering emulsions) have recently attracted significant attention in scientific studies and for technological applications. The interest stems from the ease of directly assembling the particles at interfaces and modulating the interfacial properties. In this paper, we demonstrate the formation of stable, practical emulsions leveraging the assembly of ionizable, pH responsive silica nanoparticles, surface-functionalized by a mixture of silanes containing amine/ammonium groups, which renders them positively charged. Using pH as the trigger, the assembly and the behavior of the emulsion are controlled by modulating the charges of the functional groups of the nanoparticle and the oil (crude oil). In addition to their tunable charge, the particular combination of silane coupling agents leads to stable particle dispersions, which is critical for practical applications. Atomic force microscopy and interfacial tension (IFT) measurements are used to monitor the assembly, which is controlled by both the electrostatic interactions between the particles and oil and the interparticle interactions, both of which are modulated by pH. Under acidic conditions, when the surfaces of the oil and the nanoparticles (NPs) are positively charged, the NPs are not attracted at the interface and there is no significant reduction in the IFT. In contrast, under basic conditions in which the oil carries a high negative charge and the amine groups on the silica are deprotonated while still positively charged because of the ammonium groups, the NPs assemble at the interface in a closely packed configuration yielding a jammed state with a high dilatational modulus. As a result, two oil droplets do not coalesce even when pushed against each other and the emulsion stability improves significantly. The study provides new insights into the directed assembly of nanoparticles at fluid interfaces relevant to several applications, including environmental remediation, catalysis, drug delivery, food technology, and oil recovery.
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Affiliation(s)
- Ahmed Wasel Alsmaeil
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14850, United States
- EXPEC Advanced Research Center, Saudi Aramco, Dhahran 31261, Saudi Arabia
| | - Antonios Kouloumpis
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14850, United States
| | - Georgia Potsi
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14850, United States
| | - Mohamed Amen Hammami
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14850, United States
| | - Mazen Yousef Kanj
- College of Petroleum Engineering & Geosciences, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Emmanuel P Giannelis
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14850, United States
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4
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Hammami MA, Kouloumpis A, Qi G, Alsmaeil AW, Aldakkan B, Kanj MY, Giannelis EP. Probing the Mechanism of Targeted Delivery of Molecular Surfactants Loaded into Nanoparticles after Their Assembly at Oil-Water Interfaces. ACS APPLIED MATERIALS & INTERFACES 2023; 15:6113-6122. [PMID: 36692039 DOI: 10.1021/acsami.2c18762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A targeted and controlled delivery of molecular surfactants at oil-water interfaces using the directed assembly of nanoparticles, NPs, is reported. The mechanism of NP assembly at the interface and the release of molecular surfactants is followed by laser scanning confocal microscopy and surface force spectroscopy. The assembly of positively charged polystyrene NPs at the oil-water interface was facilitated by the introduction of carboxylic acid groups in the oil phase (e.g., by adding 1 wt % stearic acid to hexadecane to produce a model oil). The presence of positively charged NPs consistently lowers the stiffness of the water-oil interface. The effect is lessened, when the NPs are present in a solution of NaCl or deionized water at pH 2, consistent with a less dense monolayer of NPs at the interface in the last two systems. In addition, the NPs reduce the interfacial adhesion (i.e., the "stickiness" of the interface or, put differently, the pull-off force experienced by the atomic force microscopy (AFM) tip during retraction). After the assembly, the NPs can release a previously loaded cargo of surfactant molecules, which then facilitate the formation of a much finer oil-water emulsion. As a proof of concept, we demonstrate the release of octadecyl amine, ODA, that has been incorporated into the NPs prior to the assembly. The release of ODA causes the NPs to detach from the interface altering the interfacial properties and leads to finer oil droplets. This approach can be exploited in applications in several fields ranging from pharmaceutical and cosmetics to hydrocarbon recovery and oil-spill remediation, where a targeted and controlled release of surfactants is wanted.
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Affiliation(s)
- Mohamed Amen Hammami
- Department of Materials Science and Engineering, College of Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Antonios Kouloumpis
- Department of Materials Science and Engineering, College of Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Genggeng Qi
- Department of Materials Science and Engineering, College of Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Ahmed Wasel Alsmaeil
- Department of the Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14850, United States
| | - Bashayer Aldakkan
- Department of Materials Science and Engineering, College of Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Mazen Y Kanj
- Center for Integrative Petroleum Research (CIPR), College of Petroleum Engineering and Geosciences, King Fahd University of Petroleum and Minerals, Dhahran, KSA 31261, Saudi Arabia
| | - Emmanuel P Giannelis
- Department of Materials Science and Engineering, College of Engineering, Cornell University, Ithaca, New York 14853, United States
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5
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Liu P, Zhang S, Pei X, Song B, Jiang J, Cui Z, Binks BP. Recyclable and re-usable smart surfactant for stabilization of various multi-responsive emulsions alone or with nanoparticles. SOFT MATTER 2022; 18:849-858. [PMID: 34982810 DOI: 10.1039/d1sm01660a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A novel multi-responsive surfactant (abbreviated as N+-8P8-N) was synthesized, in which one octyl trimethylamine group (quaternary ammonium) and one octyl dimethylamine group are connected to a benzene ring through ether bonds. This novel surfactant can stabilize conventional oil-in-water (O/W) emulsions alone, and O/W Pickering emulsions and novel oil-in-dispersion emulsions together with oppositely and similarly charged nanoparticles, respectively. In all cases rapid demulsification can be achieved through either pH or CO2/N2 triggers, by which the surfactant is reversibly converted between a normal cationic surfactant form (N+-8P8-N) and a strongly hydrophilic and surface-inactive bola form (N+-8P8-NH+). Notably, the bola form N+-8P8-NH+ dissolves in the aqueous phase alone or together with nanoparticles after demulsification without contamination of the oil phase, and the aqueous phase can be recycled many times triggered by pH or CO2/N2 in accordance with the principle of green chemistry. This newly designed re-usable smart surfactant is significant for the development of various temporarily stable emulsions, which are extensively applied in emulsion polymerization, new material synthesis, heterogeneous catalysis and oil transportation.
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Affiliation(s)
- Pei Liu
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, P. R. China.
| | - Sheng Zhang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, P. R. China.
| | - Xiaomei Pei
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, P. R. China.
| | - Binglei Song
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, P. R. China.
| | - Jianzhong Jiang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, P. R. China.
| | - Zhenggang Cui
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, P. R. China.
| | - Bernard P Binks
- Department of Chemistry, University of Hull, Hull HU6 7RX, UK.
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6
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Farinmade A, Ajumobi O, Yu L, Su Y, Zhang Y, Lou Y, Valla JA, John VT. Tubular Clay Nano-Straws in Ordered Mesoporous Particles Create Hierarchical Porosities Leading to Improved CO2 Uptake. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c03645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Azeem Farinmade
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Oluwole Ajumobi
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Lei Yu
- Department of Chemical & Biomolecular Engineering, University of Connecticut, 191 Auditorium Road, Unit 3222, Storrs, Connecticut 06269, United States
| | - Yang Su
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Yueheng Zhang
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Yueyun Lou
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Julia A. Valla
- Department of Chemical & Biomolecular Engineering, University of Connecticut, 191 Auditorium Road, Unit 3222, Storrs, Connecticut 06269, United States
| | - Vijay T. John
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
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7
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Ruiz-Hitzky E, Ruiz-García C, Fernandes FM, Lo Dico G, Lisuzzo L, Prevot V, Darder M, Aranda P. Sepiolite-Hydrogels: Synthesis by Ultrasound Irradiation and Their Use for the Preparation of Functional Clay-Based Nanoarchitectured Materials. Front Chem 2021; 9:733105. [PMID: 34485248 PMCID: PMC8414812 DOI: 10.3389/fchem.2021.733105] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/02/2021] [Indexed: 12/18/2022] Open
Abstract
Sepiolite and palygorskite fibrous clay minerals are 1D silicates featuring unique textural and structural characteristics useful in diverse applications, and in particular as rheological additives. Here we report on the ability of grinded sepiolite to generate highly viscous and stable hydrogels by sonomechanical irradiation (ultrasounds). Adequate drying of such hydrogels leads to low-density xerogels that show extensive fiber disaggregation compared to the starting sepiolite—whose fibers are agglomerated as bundles. Upon re-dispersion in water under high-speed shear, these xerogels show comparable rheological properties to commercially available defibrillated sepiolite products, resulting in high viscosity hydrogels that minimize syneresis. These colloidal systems are thus very interesting as they can be used to stabilize many diverse compounds as well as nano-/micro-particles, leading to the production of a large variety of composites and nano/micro-architectured solids. In this context, we report here various examples showing how colloidal routes based on sepiolite hydrogels can be used to obtain new heterostructured functional materials, based on their assembly to solids of diverse topology and composition such as 2D and 1D kaolinite and halloysite aluminosilicates, as well as to the 2D synthetic Mg,Al-layered double hydroxides (LDH).
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Affiliation(s)
| | - Cristina Ruiz-García
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Madrid, Spain.,Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - Francisco M Fernandes
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Madrid, Spain.,Laboratoire de Chimie de la Matière Condensée de Paris, Faculté de Sciences, Sorbonne Université, Paris, France
| | - Giulia Lo Dico
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Madrid, Spain.,IMDEA Materials Institute, Getafe, Spain
| | - Lorenzo Lisuzzo
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Madrid, Spain.,Dipartimento di Fisica e Chimica - Emilio Segrè, Università degli Studi di Palermo, Palermo, Italy
| | - Vanessa Prevot
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Madrid, Spain.,Université Clermont Auvergne, CNRS, ICCF, Clermont-Ferrand, France
| | - Margarita Darder
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Madrid, Spain
| | - Pilar Aranda
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Madrid, Spain
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8
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Ajumobi O, Su Y, Farinmade A, Yu L, He J, Valla JA, John VT. Integrating Halloysite Nanostraws in Porous Catalyst Supports to Enhance Molecular Transport. ACS APPLIED NANO MATERIALS 2021; 4:8455-8464. [PMID: 34485846 PMCID: PMC8406414 DOI: 10.1021/acsanm.1c01678] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 07/27/2021] [Indexed: 05/11/2023]
Abstract
In many porous catalyst supports, the accessibility of interior catalytic sites to reactant species could be restricted due to limitations of reactant transport through pores comparable to reactant dimensions. The interplay between reaction and diffusion in porous catalysts is defined through the Thiele modulus and the effectiveness factor, with diffusional restrictions leading to high Thiele moduli, reduced effectivess factors, and a reduction in the observed reaction rate. We demonstrate a method to integrate ceramic nanostraws into the interior of ordered mesoporous silica MCM-41 to mitigate diffusional restrictions. The nanostraws are the natural aluminosilicate tubular clay minerals known as halloysite. Such halloysite nanotubes (HNTs) have a lumen diameter of 15-30 nm, which is significantly larger than the 2-4 nm pores of MCM-41, thus facilitating entry and egress of larger molecules to the interior of the pellet. The method of integrating HNT nanostraws into MCM-41 is through a ship-in-a-bottle approach of synthesizing MCM-41 in the confined volume of an aerosol droplet that contains HNT nanotubes. The concept is applied to a system in which microcrystallites of Ni@ZSM-5 are incorporated into MCM-41. Using the liquid phase reduction of nitrophenol as a model reaction catalyzed by Ni@ZSM-5, we show that the insertion of HNT nanostraws into this composite leads to a 50% increase in the effectiveness factor. The process of integrating nanostraws into MCM-41 through the aerosol-assisted approach is a one-step facile method that complements traditional catalyst preparation techniques. The facile and scalable synthesis technique toward the mitigation of diffusional restrictions has implications to catalysis and separation technologies.
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Affiliation(s)
- Oluwole Ajumobi
- Department
of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Yang Su
- Department
of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Azeem Farinmade
- Department
of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Lei Yu
- Department
of Chemical & Biomolecular Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Jibao He
- Coordinated
Instrumentation Facility, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Julia A. Valla
- Department
of Chemical & Biomolecular Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Vijay T. John
- Department
of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
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9
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Aldakkan BS, Hammami MA, Qi G, Kanj MY, Giannelis EP. Stimuli-Responsive, Hydrolyzable Poly(Vinyl Laurate- co-vinyl Acetate) Nanoparticle Platform for In Situ Release of Surfactants. ACS APPLIED MATERIALS & INTERFACES 2021; 13:25553-25562. [PMID: 34006101 DOI: 10.1021/acsami.1c04977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A stimuli-responsive, sub-100 nm nanoparticle (NP) platform with a hydrolyzable ester side chain for in situ generation of surfactants is demonstrated. The NPs were synthesized via copolymerization of vinyl-laurate and vinyl-acetate [p-(VL-co-VA), 3:1 molar ratio] and stabilized with a protective poly(ethylene-glycol) shell. The NPs are ∼55 nm in diameter with a zeta potential of -54 mV. Hydrolysis kinetics in an accelerated, base-catalyzed reaction show release of about 11 and 30% of the available surfactant at 25 and 80 °C, respectively. The corresponding values in seawater are 22 and 76%. The efficiency of the released surfactant in reducing the interfacial tension, altering wettability, and stabilizing oil-water emulsion was investigated through contact angle measurements and laser confocal scanning microscopy and benchmarked to sodium laurate, a commercially available surfactant. All these measurements demonstrate both the efficacy of the NP system for surfactant delivery and the ability of the released surfactant to alter wettability and stabilize an oil-water emulsion.
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Affiliation(s)
- Bashayer S Aldakkan
- Department of Materials Science and Engineering, Cornell University, Ithaca 14850, New York, United States
| | - Mohamed A Hammami
- Department of Materials Science and Engineering, Cornell University, Ithaca 14850, New York, United States
| | - Genggeng Qi
- Department of Materials Science and Engineering, Cornell University, Ithaca 14850, New York, United States
| | - Mazen Y Kanj
- College of Petroleum Engineering & Geosciences, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Emmanuel P Giannelis
- Department of Materials Science and Engineering, Cornell University, Ithaca 14850, New York, United States
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10
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Esposito MC, Corsi I, Russo GL, Punta C, Tosti E, Gallo A. The Era of Nanomaterials: A Safe Solution or a Risk for Marine Environmental Pollution? Biomolecules 2021; 11:441. [PMID: 33809769 PMCID: PMC8002239 DOI: 10.3390/biom11030441] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 12/16/2022] Open
Abstract
In recent years, the application of engineered nanomaterials (ENMs) in environmental remediation gained increasing attention. Due to their large surface area and high reactivity, ENMs offer the potential for the efficient removal of pollutants from environmental matrices with better performances compared to conventional techniques. However, their fate and safety upon environmental application, which can be associated with their release into the environment, are largely unknown. It is essential to develop systems that can predict ENM interactions with biological systems, their overall environmental and human health impact. Until now, Life-Cycle Assessment (LCA) tools have been employed to investigate ENMs potential environmental impact, from raw material production, design and to their final disposal. However, LCA studies focused on the environmental impact of the production phase lacking information on their environmental impact deriving from in situ employment. A recently developed eco-design framework aimed to fill this knowledge gap by using ecotoxicological tools that allow the assessment of potential hazards posed by ENMs to natural ecosystems and wildlife. In the present review, we illustrate the development of the eco-design framework and review the application of ecotoxicology as a valuable strategy to develop ecosafe ENMs for environmental remediation. Furthermore, we critically describe the currently available ENMs for marine environment remediation and discuss their pros and cons in safe environmental applications together with the need to balance benefits and risks promoting an environmentally safe nanoremediation (ecosafe) for the future.
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Affiliation(s)
- Maria Consiglia Esposito
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy; (M.C.E.); (G.L.R.); (E.T.)
| | - Ilaria Corsi
- Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli 4, 53100 Siena, Italy;
| | - Gian Luigi Russo
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy; (M.C.E.); (G.L.R.); (E.T.)
- Institute of Food Sciences, National Research Council, 83100 Avellino, Italy
| | - Carlo Punta
- Department of Chemistry, Materials, and Chemical Engineering “G. Natta”, Politecnico di Milano and INSTM Local Unit, Via Mancinelli 7, 20131 Milano, Italy;
| | - Elisabetta Tosti
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy; (M.C.E.); (G.L.R.); (E.T.)
| | - Alessandra Gallo
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy; (M.C.E.); (G.L.R.); (E.T.)
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11
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Guo X, Li X, Chan L, Huang W, Chen T. Edible CaCO 3 nanoparticles stabilized Pickering emulsion as calcium-fortified formulation. J Nanobiotechnology 2021; 19:67. [PMID: 33663532 PMCID: PMC7934247 DOI: 10.1186/s12951-021-00807-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 02/15/2021] [Indexed: 11/22/2022] Open
Abstract
Background Nanoparticles assembled from food-grade calcium carbonate have attracted attention because of their biocompatibility, digestibility, particle and surface features (such as size, surface area, and partial wettability), and stimuli-responsiveness offered by their acid-labile nature. Results Herein, a type of edible oil-in-water Pickering emulsion was structured by calcium carbonate nanoparticles (CaCO3 NPs; mean particle size: 80 nm) and medium-chain triglyceride (MCT) for delivery of lipophilic drugs and simultaneous oral supplementation of calcium. The microstructure of the as-made CaCO3 NPs stabilized Pickering emulsion can be controlled by varying the particle concentration (c) and oil volume fraction (φ). The emulsification stabilizing capability of the CaCO3 NPs also favored the formation of high internal phase emulsion at a high φ of 0.7–0.8 with excellent emulsion stability at room temperature and at 4 °C, thus protecting the encapsulated lipophilic bioactive, vitamin D3 (VD3), against degradation. Interestingly, the structured CaCO3 NP-based Pickering emulsion displayed acid-trigged demulsification because of the disintegration of the CaCO3 NPs into Ca2+ in a simulated gastric environment, followed by efficient lipolysis of the lipid in simulated intestinal fluid. With the encapsulation and delivery of the emulsion, VD3 exhibited satisfying bioavailability after simulated gastrointestinal digestion. Conclusions Taken together, the rationally designed CaCO3 NP emulsion system holds potential as a calcium-fortified formulation for food, pharmaceutical and biomedical applications.![]()
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Affiliation(s)
- Xiaoming Guo
- Department of Oncology, The First Affiliated Hospital, Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Xiaoying Li
- Department of Oncology, The First Affiliated Hospital, Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Leung Chan
- Department of Oncology, The First Affiliated Hospital, Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Wei Huang
- Department of Oncology, The First Affiliated Hospital, Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Tianfeng Chen
- Department of Oncology, The First Affiliated Hospital, Department of Chemistry, Jinan University, Guangzhou, 510632, China.
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12
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Pei X, Zhang S, Zhang W, Liu P, Song B, Jiang J, Cui Z, Binks BP. Behavior of Smart Surfactants in Stabilizing pH‐Responsive Emulsions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202013443] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Xiaomei Pei
- The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 P. R. China
| | - Sheng Zhang
- The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 P. R. China
| | - Wanqing Zhang
- The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 P. R. China
| | - Pei Liu
- The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 P. R. China
| | - Binglei Song
- The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 P. R. China
| | - Jianzhong Jiang
- The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 P. R. China
| | - Zhenggang Cui
- The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 P. R. China
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13
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Pei X, Zhang S, Zhang W, Liu P, Song B, Jiang J, Cui Z, Binks BP. Behavior of Smart Surfactants in Stabilizing pH-Responsive Emulsions. Angew Chem Int Ed Engl 2021; 60:5235-5239. [PMID: 33258181 DOI: 10.1002/anie.202013443] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/18/2020] [Indexed: 11/10/2022]
Abstract
Newly structured pH-responsive smart surfactants (N+ -(n)-N, n=14, 16) from alkyl trimethylammonium bromides are reported. In neutral and alkaline media N+ -(n)-N behaves as a normal cationic surfactant and stabilizes conventional emulsions alone, as well as Pickering emulsions and oil-in-dispersion emulsions together with oppositely and similarly charged nanoparticles, respectively. In acidic media N+ -(n)-N becomes a hydrophilic Bola-type surfactant, N+ -(n)-NH+ , and is an inferior emulsifier either when used alone or together with charged nanoparticles, resulting in demulsification. N+ -(n)-NH+ returns to the aqueous phase alone or together with nanoparticles after demulsification without contaminating the oil phase, and the aqueous phase can be recycled when triggered by pH change. This protocol is a green process and leads to preparation of various temporarily stable emulsions which are often used in emulsion polymerization, heterogeneous catalysis, and oil transportation.
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Affiliation(s)
- Xiaomei Pei
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, P. R. China
| | - Sheng Zhang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, P. R. China
| | - Wanqing Zhang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, P. R. China
| | - Pei Liu
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, P. R. China
| | - Binglei Song
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, P. R. China
| | - Jianzhong Jiang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, P. R. China
| | - Zhenggang Cui
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, P. R. China
| | - Bernard P Binks
- Department of Chemistry, University of Hull, Hull, HU6 7RX, UK
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14
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Keller CB, Walley SE, Jarand CW, He J, Ejaz M, Savin DA, Grayson SM. Synthesis of poly(caprolactone)- block-poly[oligo(ethylene glycol)methyl methacrylate] amphiphilic grafted nanoparticles (AGNs) as improved oil dispersants. Polym Chem 2021. [DOI: 10.1039/d1py00418b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Amphiphilic polymers have been covalently grafted from a SiO2 core with room temperature polymerizations. These amphiphilic grafted nanoparticles have been found to uptake up to 30 times their mass in crude oil within a 24 hour window.
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Affiliation(s)
- Christopher B. Keller
- Department of Chemistry, Percival Stern Hall, Tulane University, New Orleans, Louisiana, 70118, USA
| | - Susan E. Walley
- Department of Chemistry, Leigh Hall, University of Florida, Gainesville, Florida 32611, USA
| | - Curtis W. Jarand
- Department of Physics and Engineering Physics, Percival Stern Hall, Tulane University, New Orleans, Louisiana, 70118, USA
| | - Jibao He
- Coordinated Instrument Facility, Percival Stern Hall, Tulane University, New Orleans, Louisiana, 70118, USA
| | - Muhammad Ejaz
- Department of Chemistry, Percival Stern Hall, Tulane University, New Orleans, Louisiana, 70118, USA
| | - Daniel A. Savin
- Department of Chemistry, Leigh Hall, University of Florida, Gainesville, Florida 32611, USA
| | - Scott M. Grayson
- Department of Chemistry, Percival Stern Hall, Tulane University, New Orleans, Louisiana, 70118, USA
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15
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Liu X, Yang F, Guo J, Fu J, Guo Z. New insights into unusual droplets: from mediating the wettability to manipulating the locomotion modes. Chem Commun (Camb) 2020; 56:14757-14788. [PMID: 33125006 DOI: 10.1039/d0cc05801g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The ability to manipulate droplets can be utilized to develop various smart sensors or actuators, endowing them with fascinating applications for drug delivery, detection of target analytes, environmental monitoring, intelligent control, and so on. However, the stimuli-responsive superhydrophobic/superhydrophilic materials for normal water droplets cannot satisfy the requirements from some certain circumstances, i.e., liquid lenses and biosensors (detection of various additives in water/blood droplets). Stimuli-responsive wetting/dewetting behaviors of exceptional droplets are open issues and are attracting much attention from across the world. In this perspective article, the unconventional droplets are divided into three categories: ionic or surfactant additives in water droplets, oil droplets, and bubble droplets. We first introduce several classical wettability models of droplets and some methods to achieve wettability transition. The unusual droplet motion is also introduced in detail. There are four main types of locomotion modes, which are vertical rebound motion, lateral motion, self-propulsion motion, and anisotropic wettability controlled sliding behavior. The driving mechanism for the droplet motion is briefly introduced as well. Some approaches to achieve this manipulation goal, such as light irradiation, electronic, magnetic, acid-base, thermal, and mechanical ways will be taken into consideration. Finally, the current researches on unconventional droplets extending to polymer droplets and liquid metal droplets on the surface of special wettability materials are summarized and the prospect of unconventional droplet research directions in the field of on-demand transport application will be proposed.
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Affiliation(s)
- Xianchen Liu
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering and Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China.
| | - Fuchao Yang
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering and Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China.
| | - Jie Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering and Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China.
| | - Jing Fu
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering and Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China. and School of Chemistry and Environment Engineering, Wuhan Institute of Technology, Wuhan 430205, People's Republic of China
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering and Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China. and State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China.
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16
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Farinmade A, Ajumobi O, Yu L, Su Y, He J, Valla JA, John V. A One-Step Facile Encapsulation of Zeolite Microcrystallites in Ordered Mesoporous Microspheres. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c02054] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Azeem Farinmade
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Oluwole Ajumobi
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Lei Yu
- Department of Chemical & Biomolecular Engineering, University of Connecticut, 191 Auditorium Road, Unit 3222, Storrs, Connecticut 06269, United States
| | - Yang Su
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Jibao He
- Coordinated Instrumentation Facility, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
| | - Julia A. Valla
- Department of Chemical & Biomolecular Engineering, University of Connecticut, 191 Auditorium Road, Unit 3222, Storrs, Connecticut 06269, United States
| | - Vijay John
- Department of Chemical & Biomolecular Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, Louisiana 70118, United States
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17
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Cavallaro G, Milioto S, Lazzara G. Halloysite Nanotubes: Interfacial Properties and Applications in Cultural Heritage. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:3677-3689. [PMID: 32202430 PMCID: PMC7997573 DOI: 10.1021/acs.langmuir.0c00573] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/19/2020] [Indexed: 05/27/2023]
Abstract
The peculiar surfaces of halloysite nanotubes and their biocompatibility are attracting the interest of researchers based on the wide range of attainable applications. The large aspect ratio of this nanotubular material ensures promising properties as a reinforcing agent in polymeric matrixes, such as cellulose and its derivatives, that entail strengthening due to, for instance, aging-induced degradation. The halloysite cavity has a suitable size for hosting a large variety of active species such as deacidifying (calcium hydroxide) and flame retardant agents (fluorinated surfactants) for a controlled and sustained release relevant to the conservation of cultural heritage. Additionally, anionic surfactants can be selectively adsorbed at the inner surface generating inorganic micelles able to solubilize hydrophobic species in a controlled cleaning protocol. We briefly discuss how the natural halloysite nanotubes can be supportive in various conservation processes of cultural heritage and present an outlook for future perspectives.
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