1
|
Roy D, Roy B, Naskar B, Bala T. Detailed Study on the Interfacial Interaction between Different Polyoxometalates and Tetronic Block Copolymers Exploring the Langmuir-Blodgett Technique. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 38803109 DOI: 10.1021/acs.langmuir.4c00317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Polyoxometalates (POMs) interact with various biologically relevant entities. A basic understanding of this interaction is very important for various applications in the biological field. In this work, the focus is on the study of the interaction between tetronics and Keggin POMs. T701 and T90R4 are the two tetronics considered here; they have different solubilities in water due to different PPO/PEO ratios. The arrangement of PPO and PEO is also different with respect to the central ethylenediamine groups. Three different Keggin-type POMs, phosphomolybdic acid (PMA), phosphotungstic acid (PTA), and silicotungstic acid (STA), with different charge densities are chosen for an elaborate investigation using Langmuir-Blodgett technique. The observation is analyzed thoroughly, which shows both electrostatic interaction and adsorption of POMs on the PPO blocks of the tetronics due to the chaotropic effect, which is responsible for the binding of POMs (in subphase) with the tetronic monolayer. This interaction results in an expanded yet rigid monolayer for POM-tetronic association on the surface. Surface pressure vs mean molecular area isotherm is the key characterization to reach the conclusion. UV-vis spectroscopy, NMR, ITC, ellipsometric studies, FTIR, and SEM also serve as supportive characterization techniques.
Collapse
Affiliation(s)
- Dipali Roy
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, India
| | - Bodhishatwa Roy
- Department of Electronic Science, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, India
| | - Bappaditya Naskar
- Department of Chemistry, Sundarban Hazi Desarat College, Pathankhali 743611, India
| | - Tanushree Bala
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, India
| |
Collapse
|
2
|
Miller MA, Medina S. Life at the interface: Engineering bio-nanomaterials through interfacial molecular self-assembly. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1966. [PMID: 38725255 PMCID: PMC11090466 DOI: 10.1002/wnan.1966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 04/18/2024] [Accepted: 04/20/2024] [Indexed: 05/15/2024]
Abstract
Interfacial self-assembly describes the directed organization of molecules and colloids at phase boundaries. Believed to be fundamental to the inception of primordial life, interfacial assembly is exploited by a myriad of eukaryotic and prokaryotic organisms to execute physiologic activities and maintain homeostasis. Inspired by these natural systems, chemists, engineers, and materials scientists have sought to harness the thermodynamic equilibria at phase boundaries to create multi-dimensional, highly ordered, and functional nanomaterials. Recent advances in our understanding of the biophysical principles guiding molecular assembly at gas-solid, gas-liquid, solid-liquid, and liquid-liquid interphases have enhanced the rational design of functional bio-nanomaterials, particularly in the fields of biosensing, bioimaging and biotherapy. Continued development of non-canonical building blocks, paired with deeper mechanistic insights into interphase self-assembly, holds promise to yield next generation interfacial bio-nanomaterials with unique, and perhaps yet unrealized, properties. This article is categorized under: Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Therapeutic Approaches and Drug Discovery > Emerging Technologies.
Collapse
Affiliation(s)
- Michael A Miller
- Department of Biomedical Engineering, Pennsylvania State University, University Park, Pennsylvania, USA
| | - Scott Medina
- Department of Biomedical Engineering, Pennsylvania State University, University Park, Pennsylvania, USA
- Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, Pennsylvania, USA
| |
Collapse
|
3
|
Moya Betancourt SN, Cámara CI, Juarez AV, Riva JS. Magnetically controlled insertion of magnetic nanoparticles into membrane model. BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2024; 1866:184293. [PMID: 38311015 DOI: 10.1016/j.bbamem.2024.184293] [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: 11/29/2023] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/06/2024]
Abstract
Polysaccharide-coated magnetic nanoparticles (MNPs) have been reported to show potential applications in many biomedical fields. In this report, we have studied the interactions between magnetite (Fe3O4) MNPs functionalized with polysaccharides (diethylamino-ethyl dextran, DEAE-D or chitosan, CHI) with different membranes models by Langmuir isotherms, incorporation experiments, and brewster angle microscopy (BAM). In this report, zwitterionic 1,2-distearoyl-sn-glycerol-3-phosphoethanolamine (DSPE) and anionic 1,2-distearoyl-sn-glycerol-3-phosphate (DSPA) phospholipid, were used to form membrane models. Incorporation experiments (π-t) as well as the compression isotherms demonstrate positive interactions between MNPs and DSPE or DSPA monolayers. The study assessed the impact of varying initial surface pressure on a preformed phospholipid monolayer to determine the maximum insertion pressure (MIP) and synergy. Our findings indicate that the primary driving force of the coated MNPs incorporation into the monolayer predominantly stems from electrostatic interaction. The drop in the subphase pH from 6.0 to 4.0 led to an enhancement of the MIP value for DSPA phospholipid monolayer. On the other hand, for DSPE, the drop in the pH does not affect the MIP values. Besides, the presence of a magnetic field induces an enhancement of the insertion process of the MNPs into DSPA preformed monolayer, demonstrating that a previous interaction between MNPs and phospholipid preformed monolayer needs to take place to enhance the incorporation process. This work opens novel perspectives for the research of the influence of magnetic fields on the incorporation of MNPs into model membranes.
Collapse
Affiliation(s)
- Sara N Moya Betancourt
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, X5000HUA Córdoba, Argentina
| | - Candelaria I Cámara
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, X5000HUA Córdoba, Argentina
| | - Ana V Juarez
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, X5000HUA Córdoba, Argentina
| | - Julieta S Riva
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, X5000HUA Córdoba, Argentina.
| |
Collapse
|
4
|
Ahmed I, Das N, Islam AKMM, Plaisier JR, Parisse P, Bal JK. Interfacial Interactions of a Myoglobin/DOPC Hybrid System at the Air-Water Interface and Its Physicochemical Properties. ACS OMEGA 2023; 8:30199-30212. [PMID: 37636970 PMCID: PMC10448488 DOI: 10.1021/acsomega.3c02909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/31/2023] [Indexed: 08/29/2023]
Abstract
In the present study, the intermolecular interactions between a water-insoluble phospholipid (DOPC) and water-soluble protein (myoglobin) and the interaction among themselves were investigated at the air-water interface using the Langmuir and Langmuir-Blodgett techniques. The effects of changes in physicochemical factors, like pH and temperature, on these interactions were also examined. Surface pressure-molecular area (π-A) isotherms of the DOPC monolayer at the air-water interface, with and without myoglobin (Myo) revealed the evolution of various physical properties, such as elastic, thermodynamic, and hysteric properties, in response to changes in subphase pH and temperature. With the increment of subphase pH from 5 to 7 at a fixed temperature (20 °C), the DOPC isotherm expanded, and the in-plane elasticity (CS-1) decreased, but no significant presence of hysteresis was encountered in either of the pH values. On the other hand, a diminution of temperature (from 20 to 5 °C) leads to an expansion of monolayers yielding low elasticity and significant hysteresis. The incorporation of Myo molecules within the DOPC monolayer decreased the CS-1 value of the DOPC monolayer. Such a decrement in CS-1 was also encountered while increasing the pH and decreasing the temperature (T) of the subphase in the absence of Myo. Systematic expansion of DOPC isotherm and increased hysteric area with the increase in Myo proportion were observed and the atomic force microscopy (AFM) observations suggested a strong conjugation between Myo and DOPC in the mixed monolayer. The denaturation effect of Myo molecules was studied using AFM at different temperatures. Furthermore, the Myo molecules were found to be most surface active at pH = 7, which is very close to its isoelectric point. These observations come up with the interaction mechanism between biomolecules under dynamically varied conditions.
Collapse
Affiliation(s)
- Ikbal Ahmed
- Department
of Physics, Aliah University, Kolkata 700160, India
- International
Centre for Theoretical Sciences, Tata Institute
of Fundamental Research, Bengaluru 560089, India
| | - Nilanjan Das
- Abhedananda
Mahavidyalaya, University of Burdwan, Sainthia 731234, India
| | | | - Jasper Rikkert Plaisier
- Elettra-Sincrotrone
Trieste S.C.p.A., S.S.
14 Km 163,5 in Area Science Park, Basovizza, Trieste 34149, Italy
| | - Pietro Parisse
- Elettra-Sincrotrone
Trieste S.C.p.A., S.S.
14 Km 163,5 in Area Science Park, Basovizza, Trieste 34149, Italy
- Istituto
Officina dei Materiali—Consiglio Nazionale delle Ricerche, S.S. 14 Km 163,5 in Area Science
Park, Basovizza, Trieste 34149, Italy
| | - Jayanta Kumar Bal
- Abhedananda
Mahavidyalaya, University of Burdwan, Sainthia 731234, India
| |
Collapse
|
5
|
Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials. Molecules 2023; 28:molecules28052375. [PMID: 36903621 PMCID: PMC10005435 DOI: 10.3390/molecules28052375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 03/08/2023] Open
Abstract
Poly(ethylene terephthalate)-PET-is one of the most frequently used polymers in biomedical applications. Due to chemical inertness, PET surface modification is necessary to gain specific properties, making the polymer biocompatible. The aim of this paper is to characterize the multi-component films containing chitosan (Ch), phospholipid 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC), immunosuppressant cyclosporine A (CsA) and/or antioxidant lauryl gallate (LG) which can be utilized as a very attractive material for developing the PET coatings. Chitosan was employed owing to its antibacterial activity and also its ability to promote cell adhesion and proliferation favorable for tissue engineering and regeneration purposes. Moreover, the Ch film can be additionally modified with other substances of biological importance (DOPC, CsA and LG). The layers of varying compositions were prepared using the Langmuir-Blodgett (LB) technique on the air plasma-activated PET support. Then their nanostructure, molecular distribution, surface chemistry and wettability were determined by atomic force microscopy (AFM), time-of-flight secondary ion mass spectrometry (TOF-SIMS), X-ray photoelectron spectroscopy (XPS), contact angle (CA) measurements and the surface free energy and its components' determination, respectively. The obtained results show clearly the dependence of the surface properties of the films on the molar ratio of components and allow for a better understanding of the coating organization and mechanisms of interactions at the molecular level both inside the films and between the films and the polar/apolar liquids imitating the environment of different properties. The organized layers of this type can be helpful in gaining control over the surface properties of the biomaterial, thus getting rid of the limitations in favor of increased biocompatibility. This is a good basis for further investigations on the correlation of the immune system response to the presence of biomaterial and its physicochemical properties.
Collapse
|
6
|
Grzybek P, Jakubski Ł, Dudek G. Neat Chitosan Porous Materials: A Review of Preparation, Structure Characterization and Application. Int J Mol Sci 2022; 23:ijms23179932. [PMID: 36077330 PMCID: PMC9456476 DOI: 10.3390/ijms23179932] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 11/17/2022] Open
Abstract
This review presents an overview of methods for preparing chitosan-derived porous materials and discusses their potential applications. This family of materials has garnered significant attention owing to their biocompatibility, nontoxicity, antibacterial properties, and biodegradability, which make them advantageous in a wide range of applications. Although individual porous chitosan-based materials have been widely discussed in the literature, a summary of all available methods for preparing materials based on pure chitosan, along with their structural characterization and potential applications, has not yet been presented. This review discusses five strategies for fabricating porous chitosan materials, i.e., cryogelation, freeze-drying, sol-gel, phase inversion, and extraction of a porogen agent. Each approach is described in detail with examples related to the preparation of chitosan materials. The influence of the fabrication method on the structure of the obtained material is also highlighted herein. Finally, we discuss the potential applications of the considered materials.
Collapse
|
7
|
Chiappisi L, Hoffmann I, Gradzielski M. Membrane stiffening in Chitosan mediated multilamellar vesicles of alkyl ether carboxylates. J Colloid Interface Sci 2022; 627:160-167. [PMID: 35842966 DOI: 10.1016/j.jcis.2022.07.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 10/17/2022]
Abstract
HYPOTHESIS Membrane undulations are known to strongly affect the stability of uni- and multilamellar vesicles formed by surfactants or phospholipids. Herein, based on the same arguments, we hypothesise that the properties of polyelectrolyte mediated surfactant multilamellar vesicles, in particular the multiplicity - i.e. the number of layers forming the vesicle - depend on the dynamics of the membrane. EXPERIMENTS Small-angle neutron scattering (SANS) and neutron spin-echo (NSE) were used to probe the structure and the dynamics of the multilayered vesicles formed in mixtures of the biopolymer chitosan and oppositely charged alkyl ether carboxylates. The neutron scattering data are complemented by static and dynamic light scattering experiments. Experiments were performed in polyelectrolyte excess conditions, and at a pH close to the pKa of the surfactant. FINDINGS The structural investigation shows very clearly that multilayered surfactant/polyelectrolyte vesicles are formed in the investigated mixtures. Only 3 to 5 layers form, on average, one vesicle, as similarly found in mixtures of chitosan and phospholipid vesicles. NSE shows that the surfactant membrane becomes stiffer upon complexation with chitosan, and that the fluctuation of the layers is strongly coupled in time and space. Such strong coupling and the increase in overall stiffness is associated with a high entropic cost. Accordingly, the combined SANS and NSE study points out that the low multiplicity found in multilayered vesicles involving the rigid polysaccharide chitosan arises from the strongly coupled dynamics of the membrane layers.
Collapse
Affiliation(s)
- Leonardo Chiappisi
- Stranski Laboratorium für Physikalische Chemie und Theoretische Chemie, Institut für Chemie, Strasse des 17. Juni 124, Sekr. TC7, Technische Universität Berlin, D-10623 Berlin, Germany; Institut Max von Laue - Paul Langevin, 71 avenue des Martyrs 38042 Grenoble Cedex 9, France.
| | - Ingo Hoffmann
- Institut Max von Laue - Paul Langevin, 71 avenue des Martyrs 38042 Grenoble Cedex 9, France.
| | - Michael Gradzielski
- Stranski Laboratorium für Physikalische Chemie und Theoretische Chemie, Institut für Chemie, Strasse des 17. Juni 124, Sekr. TC7, Technische Universität Berlin, D-10623 Berlin, Germany.
| |
Collapse
|
8
|
Natural saponin and cholesterol assembled nanostructures as the promising delivery method for saponin. Colloids Surf B Biointerfaces 2022; 214:112448. [PMID: 35306344 DOI: 10.1016/j.colsurfb.2022.112448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 02/07/2022] [Accepted: 03/05/2022] [Indexed: 10/18/2022]
Abstract
The application of saponins has been restricted by problems such as hemolysis, low bioavailability, and poor solubility. So it is imperative to find a strategy to deliver saponins safely and efficiently. Here, through bottom-up technique, we design and prepare two saponin-cholesterol (Cho) nano-complex: dioscin (Dio, steroid saponin)-Cho nanofibers (NFs) and escin Ia (EIa, triterpene saponin)-Cho nanoparticles (NPs). It is found that the hydrophobic force and hydrogen bonding drive the two pairs of molecules to bind in different directions (the 3β-OH of Cho face the sugar chain of EIa and the 22α-O of Dio, respectively) and finally show spherical NPs (EIa-Cho) and fibrous NFs (Dio-Cho). The equimolar saponin-Cho complex, Dio NFs and EIa NPs, reveal potent cytotoxicities against mouse breast cancer cells (4T1) in vitro. In vivo results confirm the antitumor (4T1 mice model) efficacy of PEGylation Dio NFs (10 mg/kg, i.v.) with a tumor inhibition rate of 61%, meanwhile, it does not cause extreme irritation and pain as free Dio does to mice. Moreover, compared with the free drug, the prepared nano-complex can significantly reduce hemolysis and organ toxicity. Our research reduces the toxicity of saponins while retaining their antitumor activity, providing a new strategy for the delivery of saponins.
Collapse
|
9
|
Bal JK, Das N, Mathur T, Plaisier JR, Thomas S. Physicochemical Properties of a Bi-aromatic Heterocyclic-Azo/BSA Hybrid System at the Air-Water Interface. ACS OMEGA 2022; 7:14031-14044. [PMID: 35559205 PMCID: PMC9089336 DOI: 10.1021/acsomega.2c00572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/01/2022] [Indexed: 06/15/2023]
Abstract
The interaction of a heterocyclic azo compound with itself and with bovine serum albumin (BSA) is realized by probing the structural modifications in Langmuir (L) monolayers and Langmuir-Blodgett (LB) films. It was found from the pressure-area/molecule isotherms that the elastic, thermodynamic, and hysteretic properties of the pure azo L monolayer were strongly altered due to the variation of temperature and pH of subphase water. In addition to that, the modification of such properties of the azo L monolayer due to mixing with BSA was also studied. The incorporation of BSA within the azo molecular assembly reduced the elasticity of that assembly. Such reduction of in-plane elasticity of the pure azo monolayer can also be achieved by reducing the temperature and pH of subphase water without adding BSA. A reduction in area per molecule of the azo assembly at the air-water interface associated with the conformational change from horizontal to vertical orientation facilitating π-π interaction was observed with increase in temperature and pH of the subphase. Such parameters also affected the interactions between azo and BSA molecules within the azo/BSA binary system. The structures of pure azo and binary films can be determined after they are transferred to hydrophilic and hydrophobic Si surfaces using the LB technique. Their out-of-plane and in-plane structures, as extracted from two complementary surface sensitive techniques, X-ray reflectivity and atomic force microscopy, were found to be strongly dependent on mixing with BSA, subphase pH, temperature, and substrate nature.
Collapse
Affiliation(s)
- Jayanta Kumar Bal
- Abhedananda
Mahavidyalaya, University of Burdwan, Sainthia, 731234, India
| | - Nilanjan Das
- Abhedananda
Mahavidyalaya, University of Burdwan, Sainthia, 731234, India
| | - Tanmay Mathur
- Abhedananda
Mahavidyalaya, University of Burdwan, Sainthia, 731234, India
| | - Jasper R. Plaisier
- Elettra
- Sincrotrone Trieste S.C.p.A., S.S. 14 Km 163.5 in Area Science Park, Basovizza, Trieste 34149, Italy
| | - Sabu Thomas
- International
and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686560, India
| |
Collapse
|
10
|
Stearic acid mediated growth of edge-on oriented bilayer poly(3-hexylthiophene) Langmuir films. J Colloid Interface Sci 2022; 606:1153-1162. [PMID: 34487934 DOI: 10.1016/j.jcis.2021.08.071] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/05/2021] [Accepted: 08/12/2021] [Indexed: 11/20/2022]
Abstract
The growth and structural evolution of stearic acid (SA) blended poly(3-hexylthiophene) [P3HT] Langmuir and Langmuir-Blodgett (LB) films were studied using complimentary surface and interface sensitive techniques to understand the possibility of ordering and layering of promising charge carrier mobility polymers, at the air-water interface and on the transferred solid substrate. SA-induced and subsequent compression-induced transitions in P3HT structure, from aggregated-3D to soft-2D and from in-plane mixed to unmixed layer, are evident at low and high pressures, respectively. The blending of SA molecules enhances the amphiphilic character of P3HT, which reduces the extent of the out-of-plane aggregation to form edge-on oriented (EO) bottom side-chain folded-bilayer (f-BL) islands (of size ~60 nm) within SA monolayer (ML), of commensurate thickness (~2.6 nm). Further compression, gradually rejects the less hydrophilic f-BL islands from the mixed layer to form EO P3HT BL islands (of coverage in-tune with starting composition) on top of SA ML. The formation of nearly covered P3HT(BL)/SA(ML) structured film on solid substrate is evident for the first time, which (even of limited P3HT thickness) has immense importance in the device properties, as the current in the bottom-gated organic thin-film transistors is known to travel only within few ML region near gate-dielectric.
Collapse
|
11
|
Widiastuti N, Silitonga RS, Dharma HNC, Jaafar J, Widyanto AR, Purwanto M. Decreasing free fatty acid of crude palm oil with polyvinylidene fluoride hollow fiber membranes using a combination of chitosan and glutaraldehyde. RSC Adv 2022; 12:22662-22670. [PMID: 36105979 PMCID: PMC9373912 DOI: 10.1039/d2ra04005k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/29/2022] [Indexed: 11/21/2022] Open
Abstract
Crude palm oil (CPO) has emerged as a significant commodity in the economic and social development of producer nations.
Collapse
Affiliation(s)
- Nurul Widiastuti
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember (ITS), Sukolilo, Surabaya 60111, Indonesia
| | - Romaya Sitha Silitonga
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember (ITS), Sukolilo, Surabaya 60111, Indonesia
| | - Hadi Nugraha Cipta Dharma
- Advanced Membrane Technology (AMTEC) Research Centre, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Juhana Jaafar
- Advanced Membrane Technology (AMTEC) Research Centre, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Alvin Rahmad Widyanto
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember (ITS), Sukolilo, Surabaya 60111, Indonesia
| | - Mochammad Purwanto
- Chemical Engineering, Department of Industrial and Process Technology, Institut Teknologi Kalimantan, Jl. Soekarno Hatta No. KM 15, Balikpapan 76127, Indonesia
| |
Collapse
|
12
|
Xu Y, Dorneles de Mello M, Zhou C, Sharma S, Karagoz B, Head AR, Darbari Z, Waluyo I, Hunt A, Stacchiola DJ, Manzi S, Boscoboinik AM, Pereyra VD, Boscoboinik JA. Xenon Trapping in Metal-Supported Silica Nanocages. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2103661. [PMID: 34463426 DOI: 10.1002/smll.202103661] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Indexed: 06/13/2023]
Abstract
Xenon (Xe) is a valuable and scarce noble gas used in various applications, including lighting, electronics, and anesthetics, among many others. It is also a volatile byproduct of the nuclear fission of uranium. A novel material architecture consisting of silicate nanocages in contact with a metal surface and an approach for trapping single Xe atoms in these cages is presented. The trapping is done at low Xe pressures and temperatures between 400 and 600 K, and the process is monitored in situ using synchrotron-based ambient pressure X-ray photoelectron spectroscopy. Release of the Xe from the cages occurs only when heating to temperatures above 750 K. A model that explains the experimental trapping kinetics is proposed and tested using Monte Carlo methods. Density functional theory calculations show activation energies for Xe exiting the cages consistent with experiments. This work can have significant implications in various fields, including Xe production, nuclear power, nuclear waste remediation, and nonproliferation of nuclear weapons. The results are also expected to apply to argon, krypton, and radon, opening an even more comprehensive range of applications.
Collapse
Affiliation(s)
- Yixin Xu
- Materials Science and Chemical Engineering Department, State University of New York at Stony Brook, 100 Nicolls Rd, Stony Brook, NY, 11794, USA
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
| | - Matheus Dorneles de Mello
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
- Catalysis Center for Energy Innovation, University of Delaware, Newark, DE, 19716, USA
| | - Chen Zhou
- Materials Science and Chemical Engineering Department, State University of New York at Stony Brook, 100 Nicolls Rd, Stony Brook, NY, 11794, USA
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
| | - Shruti Sharma
- Advanced Energy Research and Technology Center, State University of New York at Stony Brook, 1000 Innovation Road, Stony Brook, NY, 11794, USA
| | - Burcu Karagoz
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
| | - Ashley R Head
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
| | - Zubin Darbari
- Materials Science and Chemical Engineering Department, State University of New York at Stony Brook, 100 Nicolls Rd, Stony Brook, NY, 11794, USA
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
| | - Iradwikanari Waluyo
- National Synchrotron Light Source II, Brookhaven National Laboratory, 743 Brookhaven Avenue, Upton, NY, 11967, USA
| | - Adrian Hunt
- National Synchrotron Light Source II, Brookhaven National Laboratory, 743 Brookhaven Avenue, Upton, NY, 11967, USA
| | - Dario J Stacchiola
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
| | - Sergio Manzi
- Departamento de Física, Instituto de Física Aplicada (INFAP) - CONICET, Universidad Nacional de San Luis, Chacabuco 917, San Luis, 5700, Argentina
| | - Alejandro M Boscoboinik
- Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Victor D Pereyra
- Departamento de Física, Instituto de Matemática Aplicada (IMASL) - CONICET, Universidad Nacional de San Luis, Chacabuco 917, San Luis, 5700, Argentina
| | - J Anibal Boscoboinik
- Materials Science and Chemical Engineering Department, State University of New York at Stony Brook, 100 Nicolls Rd, Stony Brook, NY, 11794, USA
- Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Ave, Upton, NY, 11973, USA
- Catalysis Center for Energy Innovation, University of Delaware, Newark, DE, 19716, USA
| |
Collapse
|
13
|
Cavallaro G, Micciulla S, Chiappisi L, Lazzara G. Chitosan-based smart hybrid materials: a physico-chemical perspective. J Mater Chem B 2021; 9:594-611. [PMID: 33305783 DOI: 10.1039/d0tb01865a] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Chitosan is one of the most studied cationic polysaccharides. Due to its unique characteristics of being water soluble, biocompatible, biodegradable, and non-toxic, this macromolecule is highly attractive for a broad range of applications. In addition, its complex behavior and the number of ways it interacts with different components in a system result in an astonishing variety of chitosan-based materials. Herein, we present recent advances in the field of chitosan-based materials from a physico-chemical perspective, with focus on aqueous mixtures with oppositely charged colloids, chitosan-based thin films, and nanocomposite systems. In this review, we focus our attention on the physico-chemical properties of chitosan-based materials, including solubility, mechanical resistance, barrier properties, and thermal behaviour, and provide a link to the chemical peculiarities of chitosan, such as its intrinsic low solubility, high rigidity, large charge separation, and strong tendency to form intra- and inter-molecular hydrogen bonds.
Collapse
Affiliation(s)
- Giuseppe Cavallaro
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze pad 17, 90128 Palermo, Italy.
| | | | | | | |
Collapse
|
14
|
Przykaza K, Jurak M, Wiącek A, Mroczka R. Characteristics of hybrid chitosan/phospholipid-sterol, peptide coatings on plasma activated PEEK polymer. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 120:111658. [DOI: 10.1016/j.msec.2020.111658] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 09/18/2020] [Accepted: 10/16/2020] [Indexed: 01/24/2023]
|
15
|
Ahmed I, Mathur T, Islam AKMM, Plaisier JR, Parisse P, Thomas S, Bal JK. Structure and Elastic Properties of an Unsymmetrical Bi-Heterocyclic Azo Compound in the Langmuir Monolayer and Langmuir-Blodgett Film. ACS OMEGA 2020; 5:21538-21549. [PMID: 32905463 PMCID: PMC7469395 DOI: 10.1021/acsomega.0c02147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 08/07/2020] [Indexed: 12/22/2022]
Abstract
![]()
We
study the structure and elastic properties of the bi-heterocyclic
azo compound at the air–water interface through surface pressure
(π)–area (A) isotherm recording followed
by transferring them on hydrophilic and hydrophobic Si surfaces by
the Langmuir–Blodgett (LB) deposition method. A substantial
change in the area/molecule is observed as a function of subphase
pH and temperature. Such parameters strongly influence intramolecular
interactions within azo molecules and the interactions between azo
molecules and water that manifested in higher surface activity at
low temperature and high pH, which in turn modifies the elasticity
of azo assembly at the air–water interface. A large pH-dependent
hysteresis with negative change in entropy, indicating molecular rearrangements,
is observed. Molecular assembly formed at the air–water interface
is then transferred onto hydrophilic and hydrophobic Si surfaces at
two different surface pressures (5 and 30 mN/m) by the LB technique.
The structural analysis performed by X-ray reflectivity and atomic
force microscopy techniques suggests that the LB films exhibit an
abrupt layered structure on hydrophilic Si, whereas an overall rough
film is formed on hydrophobic Si. The coverage and compactness of
individual layers are found to increase with the deposition pressure
(5 to 30 mN/m).
Collapse
Affiliation(s)
- Ikbal Ahmed
- Department of Physics, Aliah University, Newtown, Kolkata 700156, India
| | - Tanmay Mathur
- Department of Chemistry, Abhedananda Mahavidyalaya, University of Burdwan, Birbhum, Sainthia, West Bengal 731234, India
| | | | - Jasper R. Plaisier
- Elettra-Sincrotrone Trieste S.C.p.A., S.S. 14 km 163.5 in Area Science Park, Basovizza, 34149 Trieste, Italy
| | - Pietro Parisse
- Elettra-Sincrotrone Trieste S.C.p.A., S.S. 14 km 163.5 in Area Science Park, Basovizza, 34149 Trieste, Italy
| | - Sabu Thomas
- International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, 686560 Kottayam, India
| | - Jayanta Kumar Bal
- Department of Physics, Abhedananda Mahavidyalaya, University of Burdwan, Birbhum, Sainthia, West Bengal 731234, India
| |
Collapse
|
16
|
de Oliveira Pedro R, Ribeiro Pereira A, Oliveira ON, Barbeitas Miranda P. Interaction of chitosan derivatives with cell membrane models in a biologically relevant medium. Colloids Surf B Biointerfaces 2020; 192:111048. [PMID: 32361502 DOI: 10.1016/j.colsurfb.2020.111048] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/08/2020] [Accepted: 04/11/2020] [Indexed: 01/15/2023]
Abstract
HYPOTHESIS The interaction of chitosan, a natural biopolymer with various biomedical applications, with lipid Langmuir films has been widely investigated as a simple model for cell membranes. However, to ensure polymer solubility, up to now only acidic subphases with pH significantly below biological fluids have been used. To increase the biological significance of these investigations, here we evaluated the effects of two chitosan derivatives (low molecular weight - CH, and positively charged - CH-P40) on phospholipid films (either zwitterionic DPPC or anionic DPPG) using phosphate buffered saline solutions (PBS) as a subphase. EXPERIMENTS Surface pressure - area (π-A) isotherms were used to evaluate the expansion and changes in film elasticity, while Sum-Frequency Generation (SFG) vibrational spectroscopy provided information about the chain conformation of lipids. FINDINGS It was found that chitosans caused a small expansion of the DPPC film by its insertion within the monolayer. In contrast, they distinctly expanded DPPG monolayers by both chitosan insertion within the lipid monolayer and by interacting with the anionic head group. Therefore, PBS buffer can be used as a subphase for more biologically relevant studies of chitosan interactions with Langmuir films, shedding light on why chitosan is antibacterial but not toxic to mammals, as the interaction mechanism depends on lipid headgroup charge.
Collapse
Affiliation(s)
- Rafael de Oliveira Pedro
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil
| | - Andressa Ribeiro Pereira
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil
| | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil
| | - Paulo Barbeitas Miranda
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil.
| |
Collapse
|
17
|
Yalman V, Çelik E, Arslan Ö, Alkan F, Türkoğlu NL, Şirin HT, Arslan AK, Demirbilek M. A study on bone tissue engineering: Injectable chitosan-g-stearic acid putty. Technol Health Care 2020; 28:227-239. [PMID: 32200363 DOI: 10.3233/thc-191775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Bioengineering products can help bone tissue regeneration. OBJECTIVE There is an ongoing research for more effective biomaterials in bone regeneration. Chitosan (Ch) grafted stearic acid (Ch-g-Sa) polymer was synthesized and its usability as a putty was evaluated in this study. METHODS The chemical structure of Ch-g-Sa polymer was investigated using Proton nuclear magnetic resonance (H-NMR) and Fourier-transformed infrared spectroscopy-attenuated total reflectance (FTIR-ATR). Thermal properties of Ch-g-Sa polymer were determined by thermal gravimetric analysis (TGA). Putties containing nano-hydroxyapatite were prepared and in-vitro degradation properties and viscosity of the putties were determined. RESULTS The cytotoxicity, oxidation effect and osteogenic potential of the putties were investigated on MC3T3 cells while the inflammatory effect of the putties was studied on THP-1 cells. For the determination of the osteogenic effect of the putties, ALP and RUNX2 gene expression of MC3T3 cells were studied. CONCLUSION Ch-g-Sa/HA putties are promising biomaterials for bone tissue regeneration.
Collapse
Affiliation(s)
- Volkan Yalman
- Department of Molecular Biology and Genetics, Yıldız Technical University, Istanbul, 34349, Turkey
| | - Ekin Çelik
- Medical Biology Department, Faculty of Medicine, Kırşehir Ahi Evran University, Kırşehir, 40100, Turkey
| | - Ömer Arslan
- Advanced Technologies Research and Application Center, Hacettepe University, Ankara, 06800, Turkey
| | - Funda Alkan
- Department of Chemistry, Polatlı Faculty of Arts and Sciences, Ankara Hacı Bayram Veli University, Ankara, 06900, Turkey
| | - Nelisa Laçin Türkoğlu
- Department of Molecular Biology and Genetics, Yıldız Technical University, Istanbul, 34349, Turkey
| | - Hasret Tolga Şirin
- Department of Chemistry, Polatlı Faculty of Arts and Sciences, Ankara Hacı Bayram Veli University, Ankara, 06900, Turkey
| | - Arslan Kağan Arslan
- Department of Orthopedics and Traumatology, Yenimahalle Training and Research Hospital, Ankara, 06800, Turkey
| | - Murat Demirbilek
- Advanced Technologies Research and Application Center, Hacettepe University, Ankara, 06800, Turkey
| |
Collapse
|
18
|
Ahmed I, Haque A, Bhattacharyya S, Patra P, Plaisier JR, Perissinotto F, Bal JK. Vitamin C/Stearic Acid Hybrid Monolayer Adsorption at Air-Water and Air-Solid Interfaces. ACS OMEGA 2018; 3:15789-15798. [PMID: 31458229 PMCID: PMC6644023 DOI: 10.1021/acsomega.8b02235] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 11/05/2018] [Indexed: 05/10/2023]
Abstract
Because of the antioxidant activity of vitamin C (Vit C) polar heads, they can be used as a protective agent for fatty acids. Hence, the study on the growth of Vit C/stearic acid (SA) mixed binary films at air-water interface (known as Langmuir monolayer) and air-solid interface (known as Langmuir-Blodgett films) is of paramount interest. Although Vit C is situated at subsurface beneath SA molecules and interacts via hydrogen bonding between the hydroxyl groups of Vit C and SA, several Vit C molecules may infiltrate within SA two-dimensional matrix at the air-water interface. The increased mole fraction of Vit C (0.125-0.5) and the reduction of temperature (from 22 to 10 °C) of the subphase water result in an increase in the amount of adsorbed Vit C at the air-water interface. The surface pressure (π)-area (A) isotherms illustrate that such inclusion of Vit C provokes a spreading out of Vit C/SA binary monolayers, which leads to an alteration of different physicochemical parameters such as elasticity, Gibbs free energy of mixing, enthalpy, entropy, interaction energy parameter, and activity coefficient. However, being polar in nature, the transfer of pure Vit C on substrates gets affected. It can be transferred onto substrate by mixing suitably with SA as confirmed by infrared spectra. Their structures, extracted X-ray reflectivity, and atomic force microscopy (topography and phase imaging) are found to be strongly dependent on the nature of the substrate (hydrophilic and hydrophobic).
Collapse
Affiliation(s)
- Ikbal Ahmed
- Centre for Research
in Nanoscience and Nanotechnology, University
of Calcutta, Technology Campus, Block JD2, Sector III, Salt Lake, Kolkata 700098, India
| | - Anamul Haque
- Centre for Research
in Nanoscience and Nanotechnology, University
of Calcutta, Technology Campus, Block JD2, Sector III, Salt Lake, Kolkata 700098, India
| | - Shreya Bhattacharyya
- Centre for Research
in Nanoscience and Nanotechnology, University
of Calcutta, Technology Campus, Block JD2, Sector III, Salt Lake, Kolkata 700098, India
| | - Prasun Patra
- Amity Institute of Biotechnology, Amity
University, Kolkata 700135, India
| | - Jasper R. Plaisier
- Elettra—Sincrotrone
Trieste S.C.p.A., S.S. 14 km 163.5 in Area Science Park, Basovizza, 34149 Trieste, Italy
| | - Fabio Perissinotto
- Elettra—Sincrotrone
Trieste S.C.p.A., S.S. 14 km 163.5 in Area Science Park, Basovizza, 34149 Trieste, Italy
| | - Jayanta Kumar Bal
- Centre for Research
in Nanoscience and Nanotechnology, University
of Calcutta, Technology Campus, Block JD2, Sector III, Salt Lake, Kolkata 700098, India
- Department of Physics, Abhedananda Mahavidyalaya, University of Burdwan, Sainthia, Birbhum 731234, West Bengal, India
- E-mail:
| |
Collapse
|