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Dediu V, Ghitman J, Gradisteanu Pircalabioru G, Chan KH, Iliescu FS, Iliescu C. Trends in Photothermal Nanostructures for Antimicrobial Applications. Int J Mol Sci 2023; 24:ijms24119375. [PMID: 37298326 DOI: 10.3390/ijms24119375] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
The rapid development of antimicrobial resistance due to broad antibiotic utilisation in the healthcare and food industries and the non-availability of novel antibiotics represents one of the most critical public health issues worldwide. Current advances in nanotechnology allow new materials to address drug-resistant bacterial infections in specific, focused, and biologically safe ways. The unique physicochemical properties, biocompatibility, and wide range of adaptability of nanomaterials that exhibit photothermal capability can be employed to develop the next generation of photothermally induced controllable hyperthermia as antibacterial nanoplatforms. Here, we review the current state of the art in different functional classes of photothermal antibacterial nanomaterials and strategies to optimise antimicrobial efficiency. The recent achievements and trends in developing photothermally active nanostructures, including plasmonic metals, semiconductors, and carbon-based and organic photothermal polymers, and antibacterial mechanisms of action, including anti-multidrug-resistant bacteria and biofilm removal, will be discussed. Insights into the mechanisms of the photothermal effect and various factors influencing photothermal antimicrobial performance, emphasising the structure-performance relationship, are discussed. We will examine the photothermal agents' functionalisation for specific bacteria, the effects of the near-infrared light irradiation spectrum, and active photothermal materials for multimodal synergistic-based therapies to minimise side effects and maintain low costs. The most relevant applications are presented, such as antibiofilm formation, biofilm penetration or ablation, and nanomaterial-based infected wound therapy. Practical antibacterial applications employing photothermal antimicrobial agents, alone or in synergistic combination with other nanomaterials, are considered. Existing challenges and limitations in photothermal antimicrobial therapy and future perspectives are presented from the structural, functional, safety, and clinical potential points of view.
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Affiliation(s)
- Violeta Dediu
- National Research and Development Institute in Microtechnologies-IMT Bucharest, 126A Erou Iancu Nicolae Street, 077190 Voluntari, Romania
| | - Jana Ghitman
- eBio-hub Research-Center, University "Politehnica" of Bucharest, 6 Iuliu Maniu Boulevard, Campus Building, 061344 Bucharest, Romania
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Gratiela Gradisteanu Pircalabioru
- eBio-hub Research-Center, University "Politehnica" of Bucharest, 6 Iuliu Maniu Boulevard, Campus Building, 061344 Bucharest, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
- Research Institute of University of Bucharest, University of Bucharest, 050095 Bucharest, Romania
| | - Kiat Hwa Chan
- Division of Science, Yale-NUS College, 16 College Avenue West, Singapore 138527, Singapore
- NUS College, National University of Singapore, 18 College Avenue East, Singapore 138593, Singapore
| | - Florina Silvia Iliescu
- National Research and Development Institute in Microtechnologies-IMT Bucharest, 126A Erou Iancu Nicolae Street, 077190 Voluntari, Romania
| | - Ciprian Iliescu
- National Research and Development Institute in Microtechnologies-IMT Bucharest, 126A Erou Iancu Nicolae Street, 077190 Voluntari, Romania
- eBio-hub Research-Center, University "Politehnica" of Bucharest, 6 Iuliu Maniu Boulevard, Campus Building, 061344 Bucharest, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
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Bezrukov A, Galyametdinov Y. Tuning Properties of Polyelectrolyte-Surfactant Associates in Two-Phase Microfluidic Flows. Polymers (Basel) 2022; 14:polym14245480. [PMID: 36559847 PMCID: PMC9788532 DOI: 10.3390/polym14245480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/07/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022] Open
Abstract
This work focuses on identifying and prioritizing factors that allow control of the properties of polyelectrolyte-surfactant complexes in two-phase microfluidic confinement and provide advantages over synthesis of such complexes in macroscopic conditions. We characterize the impact of polymer and surfactant aqueous flow conditions on the formation of microscale droplets and fluid threads in the presence of an immiscible organic solvent. We perform an experimental and selected numerical analysis of fast supramolecular reactions in droplets and threads. The work offers a quantitative control over properties of polyelectrolyte-surfactant complexes produced in two-phase confinement by varying capillary numbers and the ratio of aqueous and organic flowrates. We propose a combined thread-droplet mode to synthesize polyelectrolyte-surfactant complexes. This mode allows the production of complexes in a broader size range of R ≈ 70-200 nm, as compared with synthesis in macroscopic conditions and the respective sizes R ≈ 100-120 nm. Due to a minimized impact of undesirable post-chip reactions and ordered microfluidic confinement conditions, the dispersity of microfluidic aggregates (PDI = 0.2-0.25) is lower than that of their analogs synthesized in bulk (PDI = 0.3-0.4). The proposed approach can be used for tailored synthesis of target drug delivery polyelectrolyte-surfactant systems in lab-on-chip devices for biomedical applications.
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Minetti F, Mengatto LN, Laura Olivares M, Berli CL. Generation of curcumin-loaded albumin nanoparticles by using off-the-shelf microfluidics driven by gravity. Food Res Int 2022; 162:111984. [DOI: 10.1016/j.foodres.2022.111984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/26/2022] [Accepted: 09/26/2022] [Indexed: 11/04/2022]
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Bezrukov A, Galyametdinov Y. Activation and Switching of Supramolecular Chemical Signals in Multi-Output Microfluidic Devices. MICROMACHINES 2022; 13:mi13101778. [PMID: 36296131 PMCID: PMC9611873 DOI: 10.3390/mi13101778] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/12/2022] [Accepted: 10/17/2022] [Indexed: 05/27/2023]
Abstract
In this study, we report on the developing of a continuous microfluidic reaction device that allows selective activation of polyelectrolyte-surfactant chemical signals in microflows and switches them between multiple outputs. A numerical model was developed for convection-diffusion reaction processes in reactive polymer-colloid microfluidic flows. Matlab scripts and scaling laws were developed for this model to predict reaction initiation and completion conditions in microfluidic devices and the location of the reaction front. The model allows the optimization of microfluidic device geometry and the setting of operation modes that provide release of the reaction product through specific outputs. Representing a chemical signal, polyelectrolyte-surfactant reaction products create various logic gate states at microfluidic chip outputs. Such systems may have potential as biochemical signal transmitters in organ-on-chip applications or chemical logic gates in cascaded microfluidic devices.
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Bezrukov A, Galyametdinov Y. On-Chip Control over Polyelectrolyte-Surfactant Complexation in Nonequilibrium Microfluidic Confinement. Polymers (Basel) 2022; 14:polym14194109. [PMID: 36236059 PMCID: PMC9571623 DOI: 10.3390/polym14194109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/19/2022] [Accepted: 09/22/2022] [Indexed: 11/07/2022] Open
Abstract
The goal of this work is to classify and quantify the factors that govern polyelectrolyte–surfactant complexation in microfluidic confinement and optimize the designs and operating modes of microfluidic reactors to offer additional advantages over the macroscopic synthesis of such complexes. We analyze and solve a system of governing convection–diffusion–reaction equations to conveniently represent these factors or their combinations as dimensionless similarity criteria. We discuss how these factors contribute to the on-chip control of the reaction initiation, the complex product distribution in a microfluidic device, and the phase behavior of the confined reacting flows and experimentally verify the results in microchips. This approach allows for designing microfluidic devices and setting their operating modes to avoid undesirable clogging by reaction products, control the initiation of the complexation reaction, and produce polyelectrolyte–surfactant aggregates with a broader size range and reduced dispersity.
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Joseph X, Akhil V, Arathi A, Mohanan PV. Microfluidic synthesis of gelatin nanoparticles conjugated with nitrogen-doped carbon dots and associated cellular response on A549 cells. Chem Biol Interact 2021; 351:109710. [PMID: 34678297 DOI: 10.1016/j.cbi.2021.109710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 10/06/2021] [Accepted: 10/18/2021] [Indexed: 11/30/2022]
Abstract
Gelatin nanoparticles are a versatile class of nanoparticles with wide applications, especially in drug delivery and gene delivery. The inherent biocompatible nature of gelatin and various functional groups can improve the cellular interactions and enhance the efficacy of different drug formulations. Microfluidic hydrodynamic flow-focusing techniques can be used for the synthesis of gelatin nanoparticles. The present work syntheses nitrogen-doped carbon dots conjugated with gelatin nanoparticles (NQD-GNPs) using a microfluidic approach and associated cellular response through various assays. MTT, neutral red uptake, and Calcein AM/Propidium iodide (PI) assays independently proved the biocompatible nature of NQD-GNPs. The NQD-GNPs treatment demonstrated a slight increase in reactive nitrogen species generation and lactate dehydrogenase release. However, it does not alter the mitochondrial membrane potential or lysosomal stability. The cellular uptake of NQD-GNP depends on the concentration and does not affect the apoptotic pathway of the cells. Most of the cells remained viable even after treatment with high concentrations of NQD-GNPs.
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Affiliation(s)
- X Joseph
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum, 695 012, Kerala, India
| | - V Akhil
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum, 695 012, Kerala, India
| | - A Arathi
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum, 695 012, Kerala, India
| | - P V Mohanan
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum, 695 012, Kerala, India.
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Deng J, Ding QM, Jia MX, Li W, Zuberi Z, Wang JH, Ren JL, Fu D, Zeng XX, Luo JF. Biosafety risk assessment of nanoparticles: Evidence from food case studies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 275:116662. [PMID: 33582638 DOI: 10.1016/j.envpol.2021.116662] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 12/21/2020] [Accepted: 02/02/2021] [Indexed: 05/04/2023]
Abstract
Nanotechnology provides a wide range of benefits in the food industry in improving food tastes, textures, sensations, quality, shelf life, and food safety. Recently, potential adverse effects such as toxicity and safety concerns have been associated with the increasing use of engineered nanoparticles in food industry. Additionally, very limited information is known concerning the behavior, properties and effects of food nano-materials in the gastrointestinal tract. There is explores the current advances and provides insights of the potential risks of nanoparticles in the food industry. Specifically, characteristics of food nanoparticles and their absorption in the gastrointestinal tract, the effects of food nanoparticles against the gastrointestinal microflora, and the potential toxicity mechanisms in different organs and body systems are discussed. This review would provide references for further investigation of nano-materials toxicity effect in foods and their molecular mechanisms. It will help to develop safer foods and expand nano-materials applications in safe manner.
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Affiliation(s)
- Jing Deng
- National Engineering Laboratory for Deep Process of Rice and Byproducts, Hunan Province Key Laboratory of Edible Forestry Resources Safety and Processing Utilization, Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; College of Packaging and Material Engineering, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou, 412007, China
| | - Quan Ming Ding
- College of Packaging and Material Engineering, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou, 412007, China
| | - Ming Xi Jia
- National Engineering Laboratory for Deep Process of Rice and Byproducts, Hunan Province Key Laboratory of Edible Forestry Resources Safety and Processing Utilization, Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Wen Li
- National Engineering Laboratory for Deep Process of Rice and Byproducts, Hunan Province Key Laboratory of Edible Forestry Resources Safety and Processing Utilization, Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; College of Packaging and Material Engineering, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou, 412007, China.
| | - Zavuga Zuberi
- Department of Science and Laboratory Technology, Dar Es Salaam Institute of Technology, P.O. Box 2958, Dar Es Salaam, Tanzania
| | - Jian Hui Wang
- School of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha, Hunan, 410114, China
| | - Jia Li Ren
- National Engineering Laboratory for Deep Process of Rice and Byproducts, Hunan Province Key Laboratory of Edible Forestry Resources Safety and Processing Utilization, Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Da Fu
- Central Laboratory for Medical Research, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Xiao Xi Zeng
- College of Packaging and Material Engineering, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou, 412007, China
| | - Jun Fei Luo
- National Engineering Laboratory for Deep Process of Rice and Byproducts, Hunan Province Key Laboratory of Edible Forestry Resources Safety and Processing Utilization, Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
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Abdelkarim M, Abd Ellah NH, Elsabahy M, Abdelgawad M, Abouelmagd SA. Microchannel geometry vs flow parameters for controlling nanoprecipitation of polymeric nanoparticles. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125774] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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9
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Bezrukov AN, Galyametdinov YG. Control of the phase formation process in solutions of anionic polyelectrolyte—cationic surfactant complexes in a microfluidic channel. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2920-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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10
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Ni M, Tresset G, Iliescu C, Hauser CAE. Ultrashort Peptide Theranostic Nanoparticles by Microfluidic-Assisted Rapid Solvent Exchange. IEEE Trans Nanobioscience 2020; 19:627-632. [PMID: 32746332 DOI: 10.1109/tnb.2020.3007103] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Ultrashort peptides (USPs), composed of three to seven amino acids, can self-assemble into nanofibers in pure water. Here, using hydrodynamic focusing and a solvent exchange method on a microfluidic setup, we convert these nanofibers into globular nanoparticles with excellent dimensional control and polydispersity. Thanks to USP nanocarriers' structure, different drugs can be loaded. We used Curcumin as a model drug to evaluate the performance of USP nanocarriers as a novel drug delivery vehicle. These nanoparticles can efficiently cross the cell membrane and possess nonlinear optical properties. Therefore, we envisage USP nanoparticles as promising future theranostic nanocarriers.
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11
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Ni M, Zhuo S, Iliescu C, So PTC, Mehta JS, Yu H, Hauser CAE. Self-assembling amyloid-like peptides as exogenous second harmonic probes for bioimaging applications. JOURNAL OF BIOPHOTONICS 2019; 12:e201900065. [PMID: 31162811 DOI: 10.1002/jbio.201900065] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 05/22/2019] [Accepted: 06/01/2019] [Indexed: 06/09/2023]
Abstract
Amyloid-like peptides are an ideal model for the mechanistic study of amyloidosis, which may lead to many human diseases, such as Alzheimer disease. This study reports a strong second harmonic generation (SHG) effect of amyloid-like peptides, having a signal equivalent to or even higher than those of endogenous collagen fibers. Several amyloid-like peptides (both synthetic and natural) were examined under SHG microscopy and shown they are SHG-active. These peptides can also be observed inside cells (in vitro). This interesting property can make these amyloid-like peptides second harmonic probes for bioimaging applications. Furthermore, SHG microscopy can provide a simple and label-free approach to detect amyloidosis. Lattice corneal dystrophy was chosen as a model disease of amyloidosis. Morphological difference between normal and diseased human corneal biopsy samples can be easily recognized, proving that SHG can be a useful tool for disease diagnosis.
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Affiliation(s)
- Ming Ni
- Institute of Bioengineering and Nanotechnology, Singapore
- School of Biological Sciences & Engineering, Yachay Tech University, San Miguel de Urcuquí, Ecuador
| | - Shuangmu Zhuo
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Normal University, Fuzhou, P. R. China
| | | | - Peter T C So
- Biosystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology, Singapore
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Jodhbir S Mehta
- Singapore Eye Institute and Singapore National Eye Center, Singapore
| | - Hanry Yu
- Institute of Bioengineering and Nanotechnology, Singapore
- Biosystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology, Singapore
- Yong Loo Lin School of Medicine & Mechanobiology Institute, National University of Singapore, Singapore
| | - Charlotte A E Hauser
- Laboratory for Nanomedicine, Division of Biological & Environmental Science & Engineering, King Abdullah University of Science and Technology, Jeddah, Saudi Arabia
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12
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Lei Z, Mengying Z, Yifei G, Xiangtao W, Meihua H. Alendronate-modified polydopamine-coated paclitaxel nanoparticles for osteosarcoma-targeted therapy. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101133] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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13
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Advancement of Peptide Nanobiotechnology via Emerging Microfluidic Technology. MICROMACHINES 2019; 10:mi10100627. [PMID: 31547039 PMCID: PMC6843689 DOI: 10.3390/mi10100627] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 09/10/2019] [Accepted: 09/18/2019] [Indexed: 12/16/2022]
Abstract
Peptide nanotechnology has experienced a long and enduring development since its inception. Many different applications have been conceptualized, which depends on the functional groups present on the peptide and the physical shape/size of the peptide nanostructures. One of the most prominent nanostructures formed by peptides are nanoparticles. Until recently, however, it has been challenging to engineer peptide nanoparticles with low dispersity. An emerging and promising technique involves the utility of microfluidics to produce a solution of peptide nanoparticles with narrow dispersity. In this process, two or more streams of liquid are focused together to create conditions that are conducive towards the formation of narrowly dispersed samples of peptide nanoparticles. This makes it possible to harness peptide nanoparticles for the myriad of applications that are dependent on nanoparticle size and uniformity. In this focus review, we aim to show how microfluidics may be utilized to (1) study peptide self-assembly, which is critical to controlling nanostructure shape and size, and peptide-interface interactions, and (2) generate self-assembling peptide-based microgels for miniaturized cell cultures. These examples will illustrate how the emerging microfluidic approach promises to revolutionize the production and application of peptide nanoparticles in ever more diverse fields than before.
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Tran TT, Nguyen MH, Tan YZ, Chew JW, Khan SA, Hadinoto K. Millifluidic synthesis of amorphous drug-polysaccharide nanoparticle complex with tunable size intended for supersaturating drug delivery applications. Eur J Pharm Biopharm 2017; 112:196-203. [DOI: 10.1016/j.ejpb.2016.11.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 11/15/2016] [Accepted: 11/21/2016] [Indexed: 11/24/2022]
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15
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Armada-Moreira A, Taipaleenmäki E, Itel F, Zhang Y, Städler B. Droplet-microfluidics towards the assembly of advanced building blocks in cell mimicry. NANOSCALE 2016; 8:19510-19522. [PMID: 27858045 DOI: 10.1039/c6nr07807a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Therapeutic cell mimicry is an approach in nanomedicine aiming at substituting for missing or lost cellular functions employing nature-inspired concepts. Pioneered decades ago, only now is this technology empowered with the arsenal of nanotechnological tools and ready to provide radically new solutions such as assembling synthetic organelles and artificial cells. One of these tools is droplet microfluidics (D-μF), which provides the flexibility to generate cargo-loaded particles with tunable size and shape in a fast and reliable manner, an essential requirement in cell mimicry. This minireview aims at outlining the developments in D-μF from the past four years focusing on the assembly of nanoparticles, Janus-shaped and other non-spherical particles as well as their loading with biological payloads.
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Affiliation(s)
- Adam Armada-Moreira
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark. and Instituto de Farmacologia e Neurociências, Faculdade de Medicina da Universidade de Lisboa, 1649-028 Lisboa, Portugal and Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Essi Taipaleenmäki
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark.
| | - Fabian Itel
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark.
| | - Yan Zhang
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark.
| | - Brigitte Städler
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark.
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Thiele J. Polymer Material Design by Microfluidics Inspired by Cell Biology and Cell-Free Biotechnology. MACROMOL CHEM PHYS 2016. [DOI: 10.1002/macp.201600429] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Julian Thiele
- Leibniz-Institut für Polymerforschung Dresden e. V; Leibniz Research Cluster (LRC); Hohe Straße 6 01069 Dresden Germany
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17
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Tran VL, Génot V, Audibert JF, Prokazov Y, Turbin E, Zuschratter W, Kim HJ, Jung J, Park SY, Pansu RB. Nucleation and growth during a fluorogenic precipitation in a micro-flow mapped by fluorescence lifetime microscopy. NEW J CHEM 2016. [DOI: 10.1039/c5nj03400k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The first observation, enumeration and mapping of the early states of crystallization during an anti-solvent precipitation.
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Affiliation(s)
- Vu Long Tran
- Laboratoire PPSM ENS Cachan
- CNRS
- UMR8531 & IFR d'Alembert IFR12161
- 94235 Cachan cedex
- France
| | - Valérie Génot
- Laboratoire PPSM ENS Cachan
- CNRS
- UMR8531 & IFR d'Alembert IFR12161
- 94235 Cachan cedex
- France
| | - Jean-Frédéric Audibert
- Laboratoire PPSM ENS Cachan
- CNRS
- UMR8531 & IFR d'Alembert IFR12161
- 94235 Cachan cedex
- France
| | | | | | | | - Hyeong-Ju Kim
- Center for Supramolecular Optoelectronic Material
- Seoul National University
- Gwanak-gu 155-744 Seoul
- South Korea
| | - Jaehun Jung
- Center for Supramolecular Optoelectronic Material
- Seoul National University
- Gwanak-gu 155-744 Seoul
- South Korea
| | - Soo Young Park
- Center for Supramolecular Optoelectronic Material
- Seoul National University
- Gwanak-gu 155-744 Seoul
- South Korea
| | - Robert B. Pansu
- Laboratoire PPSM ENS Cachan
- CNRS
- UMR8531 & IFR d'Alembert IFR12161
- 94235 Cachan cedex
- France
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18
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Bellmann S, Carlander D, Fasano A, Momcilovic D, Scimeca JA, Waldman WJ, Gombau L, Tsytsikova L, Canady R, Pereira DIA, Lefebvre DE. Mammalian gastrointestinal tract parameters modulating the integrity, surface properties, and absorption of food-relevant nanomaterials. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2015; 7:609-22. [PMID: 25641962 PMCID: PMC4949541 DOI: 10.1002/wnan.1333] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 12/12/2014] [Accepted: 12/15/2014] [Indexed: 12/12/2022]
Abstract
Many natural chemicals in food are in the nanometer size range, and the selective uptake of nutrients with nanoscale dimensions by the gastrointestinal (GI) tract is a normal physiological process. Novel engineered nanomaterials (NMs) can bring various benefits to food, e.g., enhancing nutrition. Assessing potential risks requires an understanding of the stability of these entities in the GI lumen, and an understanding of whether or not they can be absorbed and thus become systemically available. Data are emerging on the mammalian in vivo absorption of engineered NMs composed of chemicals with a range of properties, including metal, mineral, biochemical macromolecules, and lipid-based entities. In vitro and in silico fluid incubation data has also provided some evidence of changes in particle stability, aggregation, and surface properties following interaction with luminal factors present in the GI tract. The variables include physical forces, osmotic concentration, pH, digestive enzymes, other food, and endogenous biochemicals, and commensal microbes. Further research is required to fill remaining data gaps on the effects of these parameters on NM integrity, physicochemical properties, and GI absorption. Knowledge of the most influential luminal parameters will be essential when developing models of the GI tract to quantify the percent absorption of food-relevant engineered NMs for risk assessment.
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Affiliation(s)
| | | | - Alessio Fasano
- Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA, USA
| | - Dragan Momcilovic
- Department of Health and Human Services, US Food and Drug Administration, Silver Spring, MD, USA
| | | | | | | | - Lyubov Tsytsikova
- Center for Risk Science Innovation and Application, ILSI Research Foundation, Washington, DC, USA
| | - Richard Canady
- Center for Risk Science Innovation and Application, ILSI Research Foundation, Washington, DC, USA
| | - Dora I A Pereira
- MRC Human Nutrition Research, Elsie Widdowson Laboratory, Cambridge, UK
| | - David E Lefebvre
- Regulatory Toxicology Research Division, Food Directorate, Health Canada, Ottawa, Canada
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19
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Ge Z, Wang W, Yang C. Rapid concentration of deoxyribonucleic acid via Joule heating induced temperature gradient focusing in poly-dimethylsiloxane microfluidic channel. Anal Chim Acta 2014; 858:91-7. [PMID: 25597807 DOI: 10.1016/j.aca.2014.12.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 12/09/2014] [Indexed: 10/24/2022]
Abstract
This paper reports rapid microfluidic electrokinetic concentration of deoxyribonucleic acid (DNA) with the Joule heating induced temperature gradient focusing (TGF) by using our proposed combined AC and DC electric field technique. A peak of 480-fold concentration enhancement of DNA sample is achieved within 40s in a simple poly-dimethylsiloxane (PDMS) microfluidic channel of a sudden expansion in cross-section. Compared to a sole DC field, the introduction of an AC field can reduce DC field induced back-pressure and produce sufficient Joule heating effects, resulting in higher concentration enhancement. Within such microfluidic channel structure, negative charged DNA analytes can be concentrated at a location where the DNA electrophoretic motion is balanced with the bulk flow driven by DC electroosmosis under an appropriate temperature gradient field. A numerical model accounting for a combined AC and DC field and back-pressure driven flow effects is developed to describe the complex Joule heating induced TGF processes. The experimental observation of DNA concentration phenomena can be explained by the numerical model.
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Affiliation(s)
- Zhengwei Ge
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore
| | - Wei Wang
- Singapore Institute of Manufacturing Technology, 638075, Singapore
| | - Chun Yang
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore.
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20
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Iliescu C, Mărculescu C, Venkataraman S, Languille B, Yu H, Tresset G. On-chip controlled surfactant-DNA coil-globule transition by rapid solvent exchange using hydrodynamic flow focusing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:13125-13136. [PMID: 25351469 DOI: 10.1021/la5035382] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
This paper presents a microfluidic method for precise control of the size and polydispersity of surfactant-DNA nanoparticles. A mixture of surfactant and DNA dispersed in 35% ethanol is focused between two streams of pure water in a microfluidic channel. As a result, a rapid change of solvent quality takes place in the central stream, and the surfactant-bound DNA molecules undergo a fast coil-globule transition. By adjusting the concentrations of DNA and surfactant, fine-tuning of the nanoparticle size, down to a hydrodynamic diameter of 70 nm with a polydispersity index below 0.2, can be achieved with a good reproducibility.
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Affiliation(s)
- Ciprian Iliescu
- Institute of Bioengineering and Nanotechnology , 31 Biopolis Way, The Nanos #04-01, Singapore 138669, Singapore
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