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Ray P, Chakraborty R, Banik O, Banoth E, Kumar P. Surface Engineering of a Bioartificial Membrane for Its Application in Bioengineering Devices. ACS OMEGA 2023; 8:3606-3629. [PMID: 36743049 PMCID: PMC9893455 DOI: 10.1021/acsomega.2c05983] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/04/2023] [Indexed: 06/18/2023]
Abstract
Membrane technology is playing a crucial role in cutting-edge innovations in the biomedical field. One such innovation is the surface engineering of a membrane for enhanced longevity, efficient separation, and better throughput. Hence, surface engineering is widely used while developing membranes for its use in bioartificial organ development, separation processes, extracorporeal devices, etc. Chemical-based surface modifications are usually performed by functional group/biomolecule grafting, surface moiety modification, and altercation of hydrophilic and hydrophobic properties. Further, creation of micro/nanogrooves, pillars, channel networks, and other topologies is achieved to modify physio-mechanical processes. These surface modifications facilitate improved cellular attachment, directional migration, and communication among the neighboring cells and enhanced diffusional transport of nutrients, gases, and waste across the membrane. These modifications, apart from improving functional efficiency, also help in overcoming fouling issues, biofilm formation, and infection incidences. Multiple strategies are adopted, like lysozyme enzymatic action, topographical modifications, nanomaterial coating, and antibiotic/antibacterial agent doping in the membrane to counter the challenges of biofilm formation, fouling challenges, and microbial invasion. Therefore, in the current review, we have comprehensibly discussed different types of membranes, their fabrication and surface modifications, antifouling/antibacterial strategies, and their applications in bioengineering. Thus, this review would benefit bioengineers and membrane scientists who aim to improve membranes for applications in tissue engineering, bioseparation, extra corporeal membrane devices, wound healing, and others.
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Affiliation(s)
- Pragyan Ray
- BioDesign
and Medical Devices Laboratory, Department of Biotechnology and Medical
Engineering, National Institute of Technology,
Rourkela, Sector-1, Rourkela 769008, Odisha, India
| | - Ruchira Chakraborty
- BioDesign
and Medical Devices Laboratory, Department of Biotechnology and Medical
Engineering, National Institute of Technology,
Rourkela, Sector-1, Rourkela 769008, Odisha, India
| | - Oindrila Banik
- BioDesign
and Medical Devices Laboratory, Department of Biotechnology and Medical
Engineering, National Institute of Technology,
Rourkela, Sector-1, Rourkela 769008, Odisha, India
- Opto-Biomedical
Microsystem Laboratory, Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, Sector-1, Rourkela 769008, Odisha, India
| | - Earu Banoth
- Opto-Biomedical
Microsystem Laboratory, Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, Sector-1, Rourkela 769008, Odisha, India
| | - Prasoon Kumar
- BioDesign
and Medical Devices Laboratory, Department of Biotechnology and Medical
Engineering, National Institute of Technology,
Rourkela, Sector-1, Rourkela 769008, Odisha, India
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Marzoog BA. Recent advances in molecular biology of metabolic syndrome pathophysiology: endothelial dysfunction as a potential therapeutic target. J Diabetes Metab Disord 2022; 21:1903-1911. [PMID: 36065330 PMCID: PMC9430013 DOI: 10.1007/s40200-022-01088-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 10/05/2021] [Accepted: 07/01/2022] [Indexed: 11/24/2022]
Abstract
Current advances in molecular pathobiology of endotheliocytes dysfunctions are promising in finding the pathogenetic links to the emergence of insulin resistance syndrome. Physiologically, human organism homeostasis is strictly controlled to maintain metabolic processes at the acquainted level. Many factors are involved in maintaining these physiological processes in the organism and any deviation is undoubtedly accompanied by specific pathologies related to the affected process. Fortunately, the body’s defense system can solve and compensate for the impaired function through its multi-level defense mechanisms. The endothelium is essential in maintaining this homeostasis through its ability to modulate the metabolic processes of the organism. Pathological activity or impairment of physiological endothelium function seems directly correlated to the emergence of metabolic syndrome. The most accepted hypothesis is that endothelium distribution is due to endoplasmic reticulum stress and unfolded protein response development, which includes inhibition of long non-coding RNAs expression, cytokines disbalance, Apelin dysregulation, glycocalyx degradation, and specific microparticles. Clinically, the enhancement or restoration of normal endothelial cells can be a target for novel therapeutic strategies since the distribution of its physiological activity impairs homeostasis and results in the progression of metabolic syndrome, and induction of its physiological activity can ameliorate insulin resistance syndrome. Novel insights on the molecular mechanisms of endothelial cell dysfunction are concisely represented in this paper to enhance the present therapeutic tactics and advance the research forward to find new therapeutic targets.
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Affiliation(s)
- Basheer Abdullah Marzoog
- Medical school student at National Research, Mordovia State University, Bolshevitskaya Street, 68, Saransk, Rep. Mordovia, Mordovia republic, Bolshevitskaya Street, 31, 430005 Saransk, Russia
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Lai X, Yang M, Wu H, Li D. Modular Microfluidics: Current Status and Future Prospects. MICROMACHINES 2022; 13:1363. [PMID: 36014285 PMCID: PMC9414757 DOI: 10.3390/mi13081363] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
This review mainly studies the development status, limitations, and future directions of modular microfluidic systems. Microfluidic technology is an important tool platform for scientific research and plays an important role in various fields. With the continuous development of microfluidic applications, conventional monolithic microfluidic chips show more and more limitations. A modular microfluidic system is a system composed of interconnected, independent modular microfluidic chips, which are easy to use, highly customizable, and on-site deployable. In this paper, the current forms of modular microfluidic systems are classified and studied. The popular fabrication techniques for modular blocks, the major application scenarios of modular microfluidics, and the limitations of modular techniques are also discussed. Lastly, this review provides prospects for the future direction of modular microfluidic technologies.
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Affiliation(s)
- Xiaochen Lai
- School of Automation, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Mingpeng Yang
- School of Automation, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Hao Wu
- State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
| | - Dachao Li
- State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
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Ficai D, Gheorghe M, Dolete G, Mihailescu B, Svasta P, Ficai A, Constantinescu G, Andronescu E. Microelectromechanical Systems Based on Magnetic Polymer Films. MICROMACHINES 2022; 13:mi13030351. [PMID: 35334643 PMCID: PMC8952241 DOI: 10.3390/mi13030351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 02/04/2023]
Abstract
Microelectromechanical systems (MEMS) have been increasingly used worldwide in a wide range of applications, including high tech, energy, medicine or environmental applications. Magnetic polymer composite films have been used extensively in the development of the micropumps and valves, which are critical components of the microelectromechanical systems. Based on the literature survey, several polymers and magnetic micro and nanopowders can be identified and, depending on their nature, ratio, processing route and the design of the device, their performances can be tuned from simple valves and pumps to biomimetic devices, such as, for instance, hearth ventricles. In many such devices, polymer magnetic films are used, the disposal of the magnetic component being either embedded into the polymer or coated on the polymer. One or more actuation zones can be used and the flow rate can be mono-directional or bi-directional depending on the design. In this paper, we review the main advances in the development of these magnetic polymer films and derived MEMS: microvalve, micropump, micromixer, microsensor, drug delivery micro-systems, magnetic labeling and separation microsystems, etc. It is important to mention that these MEMS are continuously improving from the point of view of performances, energy consumption and actuation mechanism and a clear tendency in developing personalized treatment. Due to the improved energy efficiency of special materials, wearable devices are developed and be suitable for medical applications.
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Affiliation(s)
- Denisa Ficai
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania;
- National Research Center for Food Safety, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; (G.D.); (E.A.)
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
| | - Marin Gheorghe
- Center for Technological Electronics and Interconnection Techniques, University Politehnica of Bucharest, Bulevardul Iuliu Maniu, 061071 Bucharest, Romania; (M.G.); (B.M.); (P.S.)
- NANOM—MEMS, George Cosbuc 9, 505400 Rasnov, Romania
| | - Georgiana Dolete
- National Research Center for Food Safety, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; (G.D.); (E.A.)
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
| | - Bogdan Mihailescu
- Center for Technological Electronics and Interconnection Techniques, University Politehnica of Bucharest, Bulevardul Iuliu Maniu, 061071 Bucharest, Romania; (M.G.); (B.M.); (P.S.)
| | - Paul Svasta
- Center for Technological Electronics and Interconnection Techniques, University Politehnica of Bucharest, Bulevardul Iuliu Maniu, 061071 Bucharest, Romania; (M.G.); (B.M.); (P.S.)
| | - Anton Ficai
- National Research Center for Food Safety, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; (G.D.); (E.A.)
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
- Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
- Academy of Romanian Scientists, Ilfov Street 3, 050044 Bucharest, Romania
- Correspondence:
| | - Gabriel Constantinescu
- Department of Gastroenterology, Clinical Emergency Hospital of Bucharest, Carol Davila University of Medicine and Pharmacy, Bulevardul Eroii Sanitari 8, 050474 Bucharest, Romania;
| | - Ecaterina Andronescu
- National Research Center for Food Safety, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; (G.D.); (E.A.)
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
- Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
- Academy of Romanian Scientists, Ilfov Street 3, 050044 Bucharest, Romania
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A quantitative sensing system based on a 3D-printed ion-selective electrode for rapid and sensitive detection of bacteria in biological fluid. Talanta 2022; 238:123040. [PMID: 34801897 DOI: 10.1016/j.talanta.2021.123040] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/01/2021] [Accepted: 11/04/2021] [Indexed: 11/23/2022]
Abstract
Bacterial infections, such as urinary tract infections, are crucial health problems. Here, we report a new potentiometric sensor to detect bacteria sensitively, accurately, and quickly. First, a customizable, 3D printed Ag+ selective electrode was fabricated as the probe. Our 3D printed electrode showed sensitive, linear, and selective responses to Ag+. Compared to commercial Ag+ selective electrodes, ours required less sample volume, shorter responding time, and lower costs. Next, a novel potentiometer was developed with Arduino to couple the electrode for data transducing and transferring, which was programmed to transfer results to cell phones wirelessly. Moreover, a filter was designed to quickly remove interfering species in a biofluid sample (e.g., Cl-). By detecting the lost Ag+ taken by bacteria, the bacterial number could be elucidated. With this sensor system, bacteria numbers could be detected as low as 80 CFU/mL (LOD) within 15 min, which is sufficient for many diagnoses (e.g., urinary tract infection >1000 CFU/mL). An amplification method was presented for single-digit bacteria detection. Overall, we are presenting a bacteria detector with three innovative components: the electrode (signal transduction and detection), the potentiometer (transducer and data processing), and the 3D printed filter (sample preparation), which showed robust and improved (than previously reported ones) analytical merits. The low-cost and customizable (the electrode and the open-source coding) nature enhances the transnationality of the system, especially in underdeveloped areas.
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