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Hu Z, Hu Y, Huang L, Zhong W, Zhang J, Lei D, Chen Y, Ni Y, Liu Y. Recent Progress in Organic Electrochemical Transistor-Structured Biosensors. BIOSENSORS 2024; 14:330. [PMID: 39056606 PMCID: PMC11274720 DOI: 10.3390/bios14070330] [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: 06/01/2024] [Revised: 06/30/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024]
Abstract
The continued advancement of organic electronic technology will establish organic electrochemical transistors as pivotal instruments in the field of biological detection. Here, we present a comprehensive review of the state-of-the-art technology and advancements in the use of organic electrochemical transistors as biosensors. This review provides an in-depth analysis of the diverse modification materials, methods, and mechanisms utilized in organic electrochemical transistor-structured biosensors (OETBs) for the selective detection of a wide range of target analyte encompassing electroactive species, electro-inactive species, and cancer cells. Recent advances in OETBs for use in sensing systems and wearable and implantable applications are also briefly introduced. Finally, challenges and opportunities in the field are discussed.
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Affiliation(s)
- Zhuotao Hu
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
| | - Yingchao Hu
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
| | - Lu Huang
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China;
| | - Wei Zhong
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
| | - Jianfeng Zhang
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
| | - Dengyun Lei
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
| | - Yayi Chen
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
| | - Yao Ni
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
| | - Yuan Liu
- School of Integrated Circuits, Guangdong University of Technology, Guangzhou 510006, China; (Z.H.); (Y.H.); (W.Z.); (J.Z.); (D.L.); (Y.C.)
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Liang W, Zhou C, Jin S, Fu L, Zhang H, Huang X, Long H, Ming W, Zhao J. An update on the advances in the field of nanostructured drug delivery systems for a variety of orthopedic applications. Drug Deliv 2023; 30:2241667. [PMID: 38037335 PMCID: PMC10987052 DOI: 10.1080/10717544.2023.2241667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 07/09/2023] [Indexed: 12/02/2023] Open
Abstract
Nanotechnology has made significant progress in various fields, including medicine, in recent times. The application of nanotechnology in drug delivery has sparked a lot of research interest, especially due to its potential to revolutionize the field. Researchers have been working on developing nanomaterials with distinctive characteristics that can be utilized in the improvement of drug delivery systems (DDS) for the local, targeted, and sustained release of drugs. This approach has shown great potential in managing diseases more effectively with reduced toxicity. In the medical field of orthopedics, the use of nanotechnology is also being explored, and there is extensive research being conducted to determine its potential benefits in treatment, diagnostics, and research. Specifically, nanophase drug delivery is a promising technique that has demonstrated the capability of delivering medications on a nanoscale for various orthopedic applications. In this article, we will explore current advancements in the area of nanostructured DDS for orthopedic use.
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Affiliation(s)
- Wenqing Liang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Chao Zhou
- Department of Orthopedics, Zhoushan Guanghua Hospital, Zhoushan, China
| | - Songtao Jin
- Department of Orthopedics, Shaoxing People’s Hospital, Shaoxing, China
| | - Lifeng Fu
- Department of Orthopedics, Shaoxing City Keqiao District Hospital of traditional Chinese Medicine, Shaoxing, China
| | - Hengjian Zhang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Xiaogang Huang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Hengguo Long
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Wenyi Ming
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Jiayi Zhao
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
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Deng Y, Zhou C, Fu L, Huang X, Liu Z, Zhao J, Liang W, Shao H. A mini-review on the emerging role of nanotechnology in revolutionizing orthopedic surgery: challenges and the road ahead. Front Bioeng Biotechnol 2023; 11:1191509. [PMID: 37260831 PMCID: PMC10228697 DOI: 10.3389/fbioe.2023.1191509] [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: 03/22/2023] [Accepted: 05/02/2023] [Indexed: 06/02/2023] Open
Abstract
An emerging application of nanotechnology in medicine currently being developed involves employing nanoparticles to deliver drugs, heat, light, or other substances to specific types of cells (such as cancer cells). As most biological molecules exist and function at the nanoscale, engineering and manipulating matter at the molecular level has many advantages in the field of medicine (nanomedicine). Although encouraging, it remains unclear how much of this will ultimately result in improved patient care. In surgical specialties, clinically relevant nanotechnology applications include the creation of surgical instruments, suture materials, imaging, targeted drug therapy, visualization methods, and wound healing techniques. Burn lesion and scar management is an essential nanotechnology application. Prevention, diagnosis, and treatment of numerous orthopedic conditions are crucial technological aspects for patients' functional recovery. Orthopedic surgery is a specialty that deals with the diagnosis and treatment of musculoskeletal disorders. In recent years, the field of orthopedics has been revolutionized by the advent of nanotechnology. Using biomaterials comprised of nanoparticles and structures, it is possible to substantially enhance the efficacy of such interactions through nanoscale material modifications. This serves as the foundation for the majority of orthopedic nanotechnology applications. In orthopedic surgery, nanotechnology has been applied to improve surgical outcomes, enhance bone healing, and reduce complications associated with orthopedic procedures. This mini-review summarizes the present state of nanotechnology in orthopedic surgery, including its applications as well as possible future directions.
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Affiliation(s)
- Yongjun Deng
- Department of Orthopedics, Affiliated Hospital of Shaoxing University, Shaoxing, China
| | - Chao Zhou
- Department of Orthopedics, Zhoushan Guanghua Hospital, Zhoushan, China
| | - Lifeng Fu
- Department of Orthopedics, Shaoxing City Keqiao District Hospital of Traditional Chinese Medicine, Shaoxing, China
| | - Xiaogang Huang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Zunyong Liu
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Jiayi Zhao
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Wenqing Liang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Haiyan Shao
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
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Razlansari M, Ulucan-Karnak F, Kahrizi M, Mirinejad S, Sargazi S, Mishra S, Rahdar A, Díez-Pascual AM. Nanobiosensors for detection of opioids: A review of latest advancements. Eur J Pharm Biopharm 2022; 179:79-94. [PMID: 36067954 DOI: 10.1016/j.ejpb.2022.08.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/28/2022] [Accepted: 08/27/2022] [Indexed: 11/28/2022]
Abstract
Opioids are generally used as analgesics in pain treatment. Like many drugs, they have side effects when overdosing and causeaddiction problems.Illegal drug use and misuse are becoming a major concern for authorities worldwide; thus, it is critical to have precise procedures for detecting them in confiscated samples, biological fluids, and wastewaters. Routine blood and urine tests are insufficient for highly selective determinations and can cause cross-reactivities. For this purpose, nanomaterial-based biosensors are great tools to determine opioid intakes, continuously monitoring the drugs with high sensitivity and selectivity even at very low sample volumes.Nanobiosensors generally comprise a signal transducer nanostructure in which a biological recognition molecule is immobilized onto its surface. Lately, nanobiosensors have been extensively utilized for the molecular detection of opioids. The usage of novel nanomaterials in biosensing has impressed biosensing studies. Nanomaterials with a large surface area have been used to develop nanobiosensors with shorter reaction times and higher sensitivity than conventional biosensors. Colorimetric and fluorescence sensing methods are two kinds of optical sensor systems based on nanomaterials. Noble metal nanoparticles (NPs), such as silver and gold, are the most frequently applied nanomaterials in colorimetric techniques, owing to their unique optical feature of surface plasmon resonance. Despite the progress of an extensive spectrum of nanobiosensors over the last two decades, the future purpose of low-cost, high-throughput, multiplexed clinical diagnostic lab-on-a-chip instruments has yet to be fulfilled. In this review, a concise overview of opioids (such as tramadol and buprenorphine, oxycodone and fentanyl, methadone and morphine) is provided as well as information on their classification, mechanism of action, routine tests, and new opioid sensing technologies based on various NPs. In order to highlight the trend of nanostructure development in biosensor applications for opioids, recent literature examples with the nanomaterial type, target molecules, and limits of detection are discussed.
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Affiliation(s)
- Mahtab Razlansari
- Inorganic Chemistry Department, Faculty of Chemistry, Razi University, Kermanshah, Iran.
| | - Fulden Ulucan-Karnak
- Department of Medical Biochemistry, Institute of Health Sciences, Ege University, İzmir 35100, Turkey.
| | | | - Shekoufeh Mirinejad
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 98167-43463, Iran.
| | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 98167-43463, Iran.
| | - Sachin Mishra
- NDAC Centre, Kwangwoon University, Nowon-gu, Seoul, 01897, South Korea; RFIC Lab, Department of Electronic Engineering, Kwangwoon University, Nowon-gu, Seoul, 01897, South Korea.
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, P.O. Box. 98613-35856, Iran.
| | - Ana M Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain.
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Wang M, Miao X, Li H, Chen C. Effect of Length of Cellulose Nanofibers on Mechanical Reinforcement of Polyvinyl Alcohol. Polymers (Basel) 2021; 14:128. [PMID: 35012151 PMCID: PMC8747125 DOI: 10.3390/polym14010128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/14/2021] [Accepted: 12/20/2021] [Indexed: 01/01/2023] Open
Abstract
Cellulose nanofibers (CNF), representing the nano-structured cellulose, have attained an extensive research attention due to their sustainability, biodegradability, nanoscale dimensions, large surface area, unique optical and mechanical performance, etc. Different lengths of CNF can lead to different extents of entanglements or network-like structures through van der Waals forces. In this study, a series of polyvinyl alcohol (PVA) composite films, reinforced with CNF of different lengths, were fabricated via conventional solvent casting technique. CNF were extracted from jute fibers by tuning the dosage of sodium hypochlorite during the TEMPO-mediated oxidation. The mechanical properties and thermal behavior were observed to be significantly improved, while the optical transparency decreased slightly (Tr. > 75%). Interestingly, the PVA/CNF20 nanocomposite films exhibited higher tensile strength of 34.22 MPa at 2 wt% filler loading than the PVA/CNF10 (32.55 MPa) while displayed higher elastic modulus of 482.75 MPa than the PVA/CNF20 films (405.80 MPa). Overall, the findings reported in this study provide a novel, simple and inexpensive approach for preparing the high-performance polymer nanocomposites with tunable mechanical properties, reinforced with an abundant and renewable material.
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Affiliation(s)
- Mengxia Wang
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China; (M.W.); (C.C.)
| | - Xiaran Miao
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Hui Li
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China; (M.W.); (C.C.)
| | - Chunhai Chen
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China; (M.W.); (C.C.)
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Sharma S, Saini S, Khangembam M, Singh V. Nanomaterials-Based Biosensors for COVID-19 Detection-A Review. IEEE SENSORS JOURNAL 2021; 21:5598-5611. [PMID: 37974905 PMCID: PMC8768986 DOI: 10.1109/jsen.2020.3036748] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/31/2020] [Accepted: 11/03/2020] [Indexed: 11/19/2023]
Abstract
This review paper discusses the properties of nanomaterials, namely graphene, molybdenum disulfide, carbon nanotubes, and quantum dots for unique sensing applications. Based on the specific analyte to be detected and the functionalization techniques that are employed, some noteworthy sensors that have been developed are discussed. Further, biocompatible sensors fabricated from these materials capable of detecting specific chemical compounds are also highlighted for COVID-19 detection purposes, which can aid in efficient and reliable sensing as well as timely diagnosis.
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Affiliation(s)
- Sakshi Sharma
- Department of Applied PhysicsDelhi Technological UniversityNew Delhi110042India
| | - Sonakshi Saini
- Department of Applied PhysicsDelhi Technological UniversityNew Delhi110042India
| | - Maya Khangembam
- Department of Applied PhysicsDelhi Technological UniversityNew Delhi110042India
| | - Vinod Singh
- Department of Applied PhysicsDelhi Technological UniversityNew Delhi110042India
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Nanotechnology-based drug delivery systems in orthopedics. Jt Dis Relat Surg 2021; 32:267-273. [PMID: 33463450 PMCID: PMC8073448 DOI: 10.5606/ehc.2021.80360] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/03/2021] [Indexed: 02/07/2023] Open
Abstract
In recent years, nanotechnology has led to significant scientific and technological advances in diverse fields, specifically within the field of medicine. Owing to the revolutionary implications in drug delivery, nanotechnology-based drug delivery systems have gained an increasing research interest in the current medical field. A variety of nanomaterials with unique physical, chemical and biological properties have been engineered to develop new drug delivery systems for the local, sustained and targeted delivery of drugs with improved therapeutic efficiency and less or no toxicity, representing a very promising approach for the effective management of diseases. The utility of nanotechnology, particularly in the field of orthopedics, is a topic of extensive research. Nanotechnology has a great potential to revolutionize treatment, diagnostics, and research in the field of orthopedics. Nanophase drug delivery has shown great promise in their ability to deliver drugs at nanoscale for a variety of orthopedic applications. In this review, we discuss recent advances in the field of nanostructured drug delivery systems for orthopedic applications.
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A literature review of biosensors for multiple sclerosis: Towards personalized medicine and point-of-care testing. Mult Scler Relat Disord 2020; 48:102675. [PMID: 33326907 DOI: 10.1016/j.msard.2020.102675] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/25/2020] [Accepted: 12/03/2020] [Indexed: 12/25/2022]
Abstract
Multiple sclerosis (MS) is a chronic neuroinflammatory disease of the central nervous system that leads to severe motor and sensory deficits in patients. Although some biomolecules in serum or cerebrospinal fluid have been suggested as biomarkers for MS diagnosis, following disease activity and monitoring treatment response, most of these potential biomarkers are not currently in clinical use and available for all patients. The reasons behind this are generally related to insufficient robustness of biomarker or technical difficulties, high prices, and requirements for technical personnel for their detection. Point-of-care testing (POCT) is an emerging field of healthcare that can be applied at the hospital as well as at home without the need for a centralized laboratory. Biosensor devices offer a convenient means for POCT. A biosensor is a compact analytical device that uses a bioreceptor, such as an antibody, enzyme, or oligonucleotide, to capture the analyte of interest. The interaction between the analyte and the bioreceptor is sensed and transduced into a suitable signal by the signal transducer. The advantages of using a biosensor for detecting the biomolecule of interest include speed, simplicity, accuracy, relatively lower cost, and lack of requirements for highly qualified personnel to perform the testing. Owing to these advantages and with the help of innovations in biosensor development technologies, there has been a great interest in developing biosensor devices for MS in recent years. Hence, the purpose of this review was to provide researchers with an up-to-date summary of the literature as well as to highlight the challenges and opportunities in this translational research field. In addition, because this is a highly interdisciplinary field of study, potentially concerning MS specialists, neurologists, biomedical researchers, and engineers, another aim of this review was to bridge the gap between these disciplines.
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Sharma N, Sharma M, Sajid Jamal QM, Kamal MA, Akhtar S. Nanoinformatics and biomolecular nanomodeling: a novel move en route for effective cancer treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:19127-19141. [PMID: 31025282 DOI: 10.1007/s11356-019-05152-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 04/10/2019] [Indexed: 06/09/2023]
Abstract
Empowering role of nanoinformatics in design and elucidation of nanoparticles for effective cancer treatment has made this field a fascinating area for researchers, inspiring them to enhance up the quality and efficacy of existing anticancer medicines. Theoretical and computational modeling is being seen as a forefront solution for problems related to surface chemistry, optimized geometry, or other properties in nanoparticle designing and drug delivery. The current review aims to acquaint with the insight story of the incubation of in silico tools and techniques in nanotechnology to develop better anticancer nanomedicines. The review also recapitulates the assets and liabilities of this field and present an outline of existing inventiveness and endeavors of nanoinformatics. We propose how nanoinformatics could hasten up the advancements in anticancer nanomedicines through use of computational tools, nanoparticles repositories & various modeling and simulation methods.
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Affiliation(s)
- Neha Sharma
- Department of Bioengineering, Faculty of Engineering, Integral University, Lucknow, UP, 226026, India
- Advanced Center of Bioengineering and Bioinformatics, Integral Information and Research Centre, Integral University, Lucknow, UP, 226026, India
| | - Mala Sharma
- Advanced Center of Bioengineering and Bioinformatics, Integral Information and Research Centre, Integral University, Lucknow, UP, 226026, India
- Department of Biosciences, Integral University, Lucknow, UP, 226026, India
| | - Qazi M Sajid Jamal
- Department of Health Informatics, College of Public Health and Health Informatics, Qassim University, King Abdulaziz Rd, Al Bukayriyah, 52741, Al Qassim, Saudi Arabia
| | - Mohammad A Kamal
- King Fahad Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Enzymoics, 7, Peterlee Place, Hebersham, NSW, 2770, Australia
- Novel Global Community Educational Foundation, Peterlee Place, Hebersham, NSW, 2770, Australia
| | - Salman Akhtar
- Department of Bioengineering, Faculty of Engineering, Integral University, Lucknow, UP, 226026, India.
- Advanced Center of Bioengineering and Bioinformatics, Integral Information and Research Centre, Integral University, Lucknow, UP, 226026, India.
- Novel Global Community Educational Foundation, Peterlee Place, Hebersham, NSW, 2770, Australia.
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Negahdary M. Aptamers in nanostructure-based electrochemical biosensors for cardiac biomarkers and cancer biomarkers: A review. Biosens Bioelectron 2020; 152:112018. [PMID: 32056737 DOI: 10.1016/j.bios.2020.112018] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 12/16/2019] [Accepted: 01/09/2020] [Indexed: 01/01/2023]
Abstract
Heart disease (especially myocardial infarction (MI)) and cancer are major causes of death. Recently, aptasensors with the applying of different nanostructures have been able to provide new windows for the early and inexpensive detection of these deadly diseases. Early, inexpensive, and accurate diagnosis by portable devices, especially aptasensors can increase the likelihood of survival as well as significantly reduce the cost of treatment. In this review, recent studies based on the designed aptasensors for the diagnosis of these diseases were collected, ordered, and reviewed. The biomarkers for the diagnosis of each disease were discussed separately. The primary constituent elements of these aptasensors including, analyte, aptamer sequence, type of nanostructure, diagnostic technique, analyte detection range, and limit of detection (LOD), were evaluated and compared.
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Affiliation(s)
- Masoud Negahdary
- Yazd Cardiovascular Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran; Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
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Kabir E, Raza N, Kumar V, Singh J, Tsang YF, Lim DK, Szulejko JE, Kim KH. Recent Advances in Nanomaterial-Based Human Breath Analytical Technology for Clinical Diagnosis and the Way Forward. Chem 2019. [DOI: 10.1016/j.chempr.2019.08.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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12
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Park JE, Yonet-Tanyeri N, Vander Ende E, Henry AI, Perez White BE, Mrksich M, Van Duyne RP. Plasmonic Microneedle Arrays for in Situ Sensing with Surface-Enhanced Raman Spectroscopy (SERS). NANO LETTERS 2019; 19:6862-6868. [PMID: 31545611 PMCID: PMC7398609 DOI: 10.1021/acs.nanolett.9b02070] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a sensitive, chemically specific, and short-time response probing method with significant potential in biomedical sensing. This paper reports the integration of SERS with microneedle arrays as a minimally invasive platform for chemical sensing, with a particular view toward sensing in interstitial fluid (ISF). Microneedle arrays were fabricated from a commercial polymeric adhesive and coated with plasmonically active gold nanorods that were functionalized with the pH-sensitive molecule 4-mercaptobenzoic acid. This sensor can quantitate pH over a range of 5 to 9 and can detect pH levels in an agar gel skin phantom and in human skin in situ. The sensor array is stable and mechanically robust in that it exhibits no loss in SERS activity after multiple punches through an agar gel skin phantom and human skin or after a month-long incubation in phosphate-buffered saline. This work is the first to integrate SERS-active nanoparticles with polymeric microneedle arrays and to demonstrate in situ sensing with this platform.
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Affiliation(s)
- Ji Eun Park
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Nihan Yonet-Tanyeri
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Emma Vander Ende
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Anne-Isabelle Henry
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Bethany E. Perez White
- Skin Tissue Engineering Core and Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611 United States
| | - Milan Mrksich
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Corresponding Authors:.
| | - Richard P. Van Duyne
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Corresponding Authors:.
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Effective gamma-ray sterilization and characterization of conductive polypyrrole biomaterials. Sci Rep 2018; 8:3721. [PMID: 29487343 PMCID: PMC5829140 DOI: 10.1038/s41598-018-22066-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 02/15/2018] [Indexed: 11/08/2022] Open
Abstract
Conductive polymers, including polypyrrole (PPy), have been extensively explored to fabricate electrically conductive biomaterials for bioelectrodes and tissue engineering scaffolds. For their in vivo uses, a sterilization method without severe impairment of original material properties and performance is necessary. Gamma-ray radiation has been commonly applied for sterilization of medical products because of its simple and uniform sterilization without heat generation. Herein we describe the first study on gamma-ray sterilization of PPy bioelectrodes and its effects on their characteristics. We irradiated PPy bioelectrodes with different doses (0–75 kGy) of gamma-rays. Gamma-ray irradiation of the PPy (γ-PPy) increased the oxygenation and hydrophilicity of the surfaces. Interestingly, gamma-ray irradiation did not alter the electrical impedances and conductivities of the PPy substrates. Additionally, γ-PPy prepared with various dopants (e.g., para-toluene sulfonate, polystyrene sulfonate, and chlorine) showed the electrochemical properties similar to the non-irradiated control. Gamma-ray irradiation at doses of ≥15 kGy was required for effective sterilization as evidenced by complete eradication of gram positive and negative bacteria. γ-PPy substrates also showed cytocompatibility similar to untreated control PPy, indicating no substantial alteration of cytocompatibility. In conclusion, gamma ray sterilization is a viable method of sterilization of conducting polymer-based biomaterials for biomedical applications.
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Abstract
Nanotechnology has revolutionized science and consumer products for several decades. Most recently, its applications to the fields of medicine and biology have improved drug delivery, medical diagnostics, and manufacturing. Recent research of this modern technology has demonstrated its potential with novel forms of disease detection and intervention, particularly within orthopedics. Nanomedicine has transformed orthopedics through recent advances in bone tissue engineering, implantable materials, diagnosis and therapeutics, and surface adhesives. The potential for nanotechnology within the field of orthopedics is vast and much of it appears to be untapped, though not without accompanying obstacles.
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Bagheri F, Piri K, Mohsenifar A, Ghaderi S. FRET-based nanobiosensor for detection of scopolamine in hairy root extraction of Atropa belladonna. Talanta 2017; 164:593-600. [PMID: 28107978 DOI: 10.1016/j.talanta.2016.12.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 12/02/2016] [Accepted: 12/06/2016] [Indexed: 11/16/2022]
Abstract
A simple, sensitive, selective, and rapid optical nanobiosensor based on FRET was designed to detect tropane alkaloids as anti-cholinergic agents in natural and transgenic hairy roots extracts of Atropa belladonna. To achieve that, conjugation of tioglycolyic acid capped cadmium telluride quantum Dots, M2 muscarinic receptor (Cd/Te QDs-M2R) and conjugation of scopolamine-rhodamine123 (Sc-Rho123) were performed. More specifically, proportional amounts of M2 muscarinic receptor and quantum dots (QDs) were conjugated while scopolamine (as a tropane alkaloid) and rhodamine123 were also combined and these moieties functioned as donor and acceptor pairs, respectively. The system response was linear over the range of 0.01-4µmolL-1 of scopolamine hydrochloride concentration with a detection limit of 0.001µmolL-1. The developed nanobiosensor was successfully used for in vitro recognition of scopolamine as an anti-cholinergic agent in the investigated plant extracts. In addition, Agrobacterium rhizogenesis mediated gene transfer technique was employed to generate hairy roots and to enhance the production of tropane alkaloids in the studied medicinal plant.
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Affiliation(s)
- Fereshte Bagheri
- Department of Biotechnology, College of Agriculture, Bu-Ali Sina University, Hamedan, Iran; Research Pharmaceutical Center, School of pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Khosro Piri
- Department of Biotechnology, College of Agriculture, Bu-Ali Sina University, Hamedan, Iran.
| | | | - Smaiil Ghaderi
- Department of Chemistry, Bu-Ali Sina University, Hamedan, Iran
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16
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Vallejo D, Lee SH, Lee A. Functionalized Vesicles by Microfluidic Device. Methods Mol Biol 2017; 1572:489-510. [PMID: 28299707 DOI: 10.1007/978-1-4939-6911-1_31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In recent years, lipid vesicles have become popular vehicles for the creation of biosensors. Vesicles can hold reaction components within a selective permeable membrane that provides an ideal environment for membrane protein biosensing elements. The lipid bilayer allows a protein to retain its native structure and function, and the membrane fluidity can allow for conformational changes and physiological interactions with target analytes. Here, we present two methods for the production of giant unilamellar vesicles (GUVs) within a microfluidic device that can be used as the basis for a biosensor. The vesicles are produced from water-in-oil-in-water (W/O/W) double emulsion templates using a nonvolatile oil phase. To create the GUVs, the oil can be removed via extraction with ethanol, or by altering the interfacial tension between the oil and carrier solution causing the oil to retract into a cap on one side of the structure, leaving behind an exposed lipid bilayer. Methods to integrate sensing elements and membrane protein pores onto the vesicles are also introduced in this work.
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Affiliation(s)
- Derek Vallejo
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA, 92697 2715, USA
| | - Shih-Hui Lee
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA, 92697 2715, USA
| | - Abraham Lee
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA, 92697 2715, USA.
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Abstract
Osteoporosis is still a serious issue in healthcare, and will continue to increase due to the aging and growth of the population. Early diagnosis is the key to successfully treating many diseases. The earlier the osteoporosis is diagnosed, the more quickly people can take action to stop bone deterioration. Motivated by this, researchers and companies have begun developing smart in situ bone sensors in order to dramatically help people to monitor their bone mass density (BMD), bone strain or bone turnover markers (BTMs); promptly track early signs of osteoporosis; and even monitor the healing process following surgery or antiresorptive therapy. This paper focuses on the latest advancements in the field of bone biosensing materials and sensor technologies and how they can help now and in the future to detect disease and monitor bone health.
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Affiliation(s)
- Luting Liu
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA.
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Medical University, Wenzhou, 325000, China.
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Emami T, Madani R, Golchinfar F, Shoushtary A, Amini SM. Comparison of Gold Nanoparticle Conjugated Secondary Antibody with Non-Gold Secondary Antibody in an ELISA Kit Model. Monoclon Antib Immunodiagn Immunother 2016; 34:366-70. [PMID: 26492626 DOI: 10.1089/mab.2015.0021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
In this study, gold nanoparticles (AuNPs) were used as carriers of the signaling anti-chicken antibody peroxidase in comparison with anti-chicken antibody peroxidase without gold nanoparticle in a commercial avian influenza kit. AuNPs enhanced the absorbance and shortened the assay time. AuNPs act as a carrier of many enzymes and multiply the effect of enzyme when reacting with substrate. They amplify optical signal, while keeping low background signals.
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Affiliation(s)
- Tara Emami
- 1 Department of Proteomics and Biochemistry, Razi Vaccine and Serum Research Institute , Karaj, Iran .,3 Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences , Tehran, Iran
| | - Rasool Madani
- 1 Department of Proteomics and Biochemistry, Razi Vaccine and Serum Research Institute , Karaj, Iran
| | - Fariba Golchinfar
- 1 Department of Proteomics and Biochemistry, Razi Vaccine and Serum Research Institute , Karaj, Iran
| | - Abdolhamid Shoushtary
- 2 Department of Poultry Disease Research and Diagnosis, Razi Vaccine and Serum Research Institute , Karaj, Iran
| | - Seyed Mohammad Amini
- 3 Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences , Tehran, Iran
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19
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Nehra A, Pal Singh K. Current trends in nanomaterial embedded field effect transistor-based biosensor. Biosens Bioelectron 2015. [DOI: 10.1016/j.bios.2015.07.030] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Mazaheri M, Eslahi N, Ordikhani F, Tamjid E, Simchi A. Nanomedicine applications in orthopedic medicine: state of the art. Int J Nanomedicine 2015; 10:6039-53. [PMID: 26451110 PMCID: PMC4592034 DOI: 10.2147/ijn.s73737] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The technological and clinical need for orthopedic replacement materials has led to significant advances in the field of nanomedicine, which embraces the breadth of nanotechnology from pharmacological agents and surface modification through to regulation and toxicology. A variety of nanostructures with unique chemical, physical, and biological properties have been engineered to improve the functionality and reliability of implantable medical devices. However, mimicking living bone tissue is still a challenge. The scope of this review is to highlight the most recent accomplishments and trends in designing nanomaterials and their applications in orthopedics with an outline on future directions and challenges.
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Affiliation(s)
- Mozhdeh Mazaheri
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Niloofar Eslahi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Farideh Ordikhani
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Elnaz Tamjid
- Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Abdolreza Simchi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran ; Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, Iran
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Pihíková D, Kasák P, Tkac J. Glycoprofiling of cancer biomarkers: Label-free electrochemical lectin-based biosensors. OPEN CHEM 2015; 13:636-655. [PMID: 27275016 PMCID: PMC4892350 DOI: 10.1515/chem-2015-0082] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Glycosylation of biomolecules is one of the most prevalent post- and co-translational modification in a human body, with more than half of all human proteins being glycosylated. Malignant transformation of cells influences glycosylation machinery resulting in subtle changes of the glycosylation pattern within the cell populations as a result of cancer. Thus, an altered terminal glycan motif on glycoproteins could provide a warning signal about disease development and progression and could be applied as a reliable biomarker in cancer diagnostics. Among all highly effective glycoprofiling tools, label-free electrochemical impedance spectroscopy (EIS)-based biosensors have emerged as especially suitable tool for point-of-care early-stage cancer detection. Herein, we highlight the current challenges in glycoprofiling of various cancer biomarkers by ultrasensitive impedimetric-based biosensors with low sample consumption, low cost fabrication and simple miniaturization. Additionally, this review provides a short introduction to the field of glycomics and lectinomics and gives a brief overview of glycan alterations in different types of cancer.
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Affiliation(s)
- Dominika Pihíková
- Department of Glycobiotechnology, Institute of Chemistry, Slovak
Academy of Sciences, Dúbravská cesta 9, SK-845 38 Bratislava,
Slovakia
| | - Peter Kasák
- Center for Advanced Materials, Qatar University, P.O.Box 2713 Doha,
Qatar
| | - Jan Tkac
- Department of Glycobiotechnology, Institute of Chemistry, Slovak
Academy of Sciences, Dúbravská cesta 9, SK-845 38 Bratislava,
Slovakia
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22
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Ronkainen NJ, Okon SL. Nanomaterial-Based Electrochemical Immunosensors for Clinically Significant Biomarkers. MATERIALS (BASEL, SWITZERLAND) 2014; 7:4669-4709. [PMID: 28788700 PMCID: PMC5455914 DOI: 10.3390/ma7064669] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 05/26/2014] [Accepted: 06/05/2014] [Indexed: 12/26/2022]
Abstract
Nanotechnology has played a crucial role in the development of biosensors over the past decade. The development, testing, optimization, and validation of new biosensors has become a highly interdisciplinary effort involving experts in chemistry, biology, physics, engineering, and medicine. The sensitivity, the specificity and the reproducibility of biosensors have improved tremendously as a result of incorporating nanomaterials in their design. In general, nanomaterials-based electrochemical immunosensors amplify the sensitivity by facilitating greater loading of the larger sensing surface with biorecognition molecules as well as improving the electrochemical properties of the transducer. The most common types of nanomaterials and their properties will be described. In addition, the utilization of nanomaterials in immunosensors for biomarker detection will be discussed since these biosensors have enormous potential for a myriad of clinical uses. Electrochemical immunosensors provide a specific and simple analytical alternative as evidenced by their brief analysis times, inexpensive instrumentation, lower assay cost as well as good portability and amenability to miniaturization. The role nanomaterials play in biosensors, their ability to improve detection capabilities in low concentration analytes yielding clinically useful data and their impact on other biosensor performance properties will be discussed. Finally, the most common types of electroanalytical detection methods will be briefly touched upon.
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Affiliation(s)
- Niina J Ronkainen
- Department of Chemistry and Biochemistry, Benedictine University, 5700 College Road, Lisle, IL 60532, USA.
| | - Stanley L Okon
- Department of Psychiatry, Advocate Lutheran General Hospital, 8South, 1775 West Dempster Street, Park Ridge, IL 60068, USA.
- Formerly of the Department of Pathology, University of Illinois at Chicago, MC 847, 840 S. Wood St., Suite 130 CSN, Chicago, IL 60612, USA.
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Sowmya S, Bumgardener JD, Chennazhi KP, Nair SV, Jayakumar R. Role of nanostructured biopolymers and bioceramics in enamel, dentin and periodontal tissue regeneration. Prog Polym Sci 2013. [DOI: 10.1016/j.progpolymsci.2013.05.005] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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24
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Cacao EE, Nasrullah A, Sherlock T, Kemper S, Kourentzi K, Ruchhoeft P, Stein GE, Willson RC. High-resolution, high-throughput, positive-tone patterning of poly(ethylene glycol) by helium beam exposure through stencil masks. PLoS One 2013; 8:e56835. [PMID: 23717382 PMCID: PMC3663801 DOI: 10.1371/journal.pone.0056835] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Accepted: 01/16/2013] [Indexed: 11/18/2022] Open
Abstract
In this work, a collimated helium beam was used to activate a thiol-poly(ethylene glycol) (SH-PEG) monolayer on gold to selectively capture proteins in the exposed regions. Protein patterns were formed at high throughput by exposing a stencil mask placed in proximity to the PEG-coated surface to a broad beam of helium particles, followed by incubation in a protein solution. Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy (ATR-FTIR) spectra showed that SH-PEG molecules remain attached to gold after exposure to beam doses of 1.5-60 µC/cm(2) and incubation in PBS buffer for one hour, as evidenced by the presence of characteristic ether and methoxy peaks at 1120 cm(-1) and 2870 cm(-1), respectively. X-ray Photoelectron Spectroscopy (XPS) spectra showed that increasing beam doses destroy ether (C-O) bonds in PEG molecules as evidenced by the decrease in carbon C1s peak at 286.6 eV and increased alkyl (C-C) signal at 284.6 eV. XPS spectra also demonstrated protein capture on beam-exposed PEG regions through the appearance of a nitrogen N1s peak at 400 eV and carbon C1s peak at 288 eV binding energies, while the unexposed PEG areas remained protein-free. The characteristic activities of avidin and horseradish peroxidase were preserved after attachment on beam-exposed regions. Protein patterns created using a 35 µm mesh mask were visualized by localized formation of insoluble diformazan precipitates by alkaline phosphatase conversion of its substrate bromochloroindoyl phosphate-nitroblue tetrazolium (BCIP-NBT) and by avidin binding of biotinylated antibodies conjugated on 100 nm gold nanoparticles (AuNP). Patterns created using a mask with smaller 300 nm openings were detected by specific binding of 40 nm AuNP probes and by localized HRP-mediated deposition of silver nanoparticles. Corresponding BSA-passivated negative controls showed very few bound AuNP probes and little to no enzymatic formation of diformazan precipitates or silver nanoparticles.
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Affiliation(s)
- Eliedonna E. Cacao
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas, United States of America
| | - Azeem Nasrullah
- Department of Electrical and Computer Engineering, University of Houston, Houston, Texas, United States of America
| | - Tim Sherlock
- Department of Electrical and Computer Engineering, University of Houston, Houston, Texas, United States of America
| | - Steven Kemper
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas, United States of America
| | - Katerina Kourentzi
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas, United States of America
| | - Paul Ruchhoeft
- Department of Electrical and Computer Engineering, University of Houston, Houston, Texas, United States of America
- Department of Biomedical Engineering, University of Houston, Houston, Texas, United States of America
| | - Gila E. Stein
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas, United States of America
| | - Richard C. Willson
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas, United States of America
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, United States of America
- The Methodist Hospital Research Institute, Houston, Texas, United States of America
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25
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Honglong S, Guling Z, Bin Z, Minting L, Wenzhong W. A method for structure analysis of nanomaterials by electron diffraction: phase identification and unit cell determination. Microsc Res Tech 2013; 76:641-7. [PMID: 23553879 DOI: 10.1002/jemt.22211] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 02/15/2013] [Accepted: 02/23/2013] [Indexed: 01/15/2023]
Abstract
We report a quick and easy method for a random selected area electron diffraction (SAED) pattern without rotating and tilting the specimen to perform phase identification and unit cell determination by combined with the XRD softwares. If your TEM is well aligned and camera length is carefully corrected, two-dimensional (2D)-SAED pattern can be directly transformed to 1D-profile after the center determination of pattern, this profile is then imported to XRD analysis packages. Finally, phase identification and unit cell determination can be performed after peak search or precise peak position determined by profile fitting. Two examples, flaky-like TiO2 nanomaterial and TiO2 nanotubes precipitated by the silver nanoparticles, were tested and verified for the validation of phase identification and unit cell determination using this method; the successful crystallographic analysis of one single gold nanocrystal indicates it is still validate for the nanocrystals with the smaller diffraction volume, but need two or more random tilt SAED patterns. This method could be further used in the quantitative phase analysis, structure determination and Rietveld refinement for the nanomaterials if the reliable integrated intensity can be extracted.
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Affiliation(s)
- Shi Honglong
- School of science, Minzu University of China, Beijing 100081, People's Republic of China.
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26
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27
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Cell-Based Biosensors: Electrical Sensing in Microfluidic Devices. Diagnostics (Basel) 2012; 2:83-96. [PMID: 26859401 PMCID: PMC4665553 DOI: 10.3390/diagnostics2040083] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Revised: 11/13/2012] [Accepted: 12/03/2012] [Indexed: 01/08/2023] Open
Abstract
Cell-based biosensors provide new horizons for medical diagnostics by adopting complex recognition elements such as mammalian cells in microfluidic devices that are simple, cost efficient and disposable. This combination renders possible a new range of applications in the fields of diagnostics and personalized medicine. The review looks at the most recent developments in cell-based biosensing microfluidic systems with electrical and electrochemical transduction, and relevance to medical diagnostics.
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28
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Shi H, Dong B, Wang W. Features of twins and stacking faults in silver nanorice and electron-beam irradiation effect. NANOSCALE 2012; 4:6389-92. [PMID: 22951629 DOI: 10.1039/c2nr31799k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Systematic structural characterization using high resolution transmission electron microscope (HRTEM), selected area electron diffraction (SAED) and diffractogram analysis of silver nanorice was aimed to reveal the characteristic features of twins and stacking faults, faceting effect and smoothing phenomena of outer surfaces. Nucleation, growth and crystallization of new nanocrystals, and depletion of parent nanorice was observed by the in situ TEM through electron-beam irradiation. It can be seen that the fundamental growth mechanism of the new nucleus is Ag atom diffusion or migration through carbon film supported these crystals. Twins in the as-grown nanorice is a reflection twin with {111} lattice plane as the common plane, and they are formed by 120° or 60° rotation about the reference twin lamella. Shockley partial dislocation was formed by the {111} lattice plane shifting along the <112> direction with the Burgers vector a/6 <112>. Twin faults occur in the form of adjacent twin lamellas inserted into a single atomic plane. Growth morphology analysis suggests that {111} and {001} lattice planes with the minimum surface attachment energy have a tendency to facet.
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Affiliation(s)
- Honglong Shi
- School of science, Minzu University of China, Beijing 100081, People's Republic of China.
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29
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Poh HL, Bonanni A, Pumera M. Nanoporous carbon as a sensing platform for DNA detection: The use of impedance spectroscopy for hairpin-DNA based assay. RSC Adv 2012. [DOI: 10.1039/c1ra00812a] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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30
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Daivasagaya DS, Yao L, Yi Yung K, Hajj-Hassan M, Cheung MC, Chodavarapu VP, Bright FV. Contact CMOS imaging of gaseous oxygen sensor array. SENSORS AND ACTUATORS. B, CHEMICAL 2011; 157:408-16. [PMID: 24493909 PMCID: PMC3909528 DOI: 10.1016/j.snb.2011.04.074] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
We describe a compact luminescent gaseous oxygen (O2) sensor microsystem based on the direct integration of sensor elements with a polymeric optical filter and placed on a low power complementary metal-oxide semiconductor (CMOS) imager integrated circuit (IC). The sensor operates on the measurement of excited-state emission intensity of O2-sensitive luminophore molecules tris(4,7-diphenyl-1,10-phenanthroline) ruthenium(II) ([Ru(dpp)3]2+) encapsulated within sol-gel derived xerogel thin films. The polymeric optical filter is made with polydimethylsiloxane (PDMS) that is mixed with a dye (Sudan-II). The PDMS membrane surface is molded to incorporate arrays of trapezoidal microstructures that serve to focus the optical sensor signals on to the imager pixels. The molded PDMS membrane is then attached with the PDMS color filter. The xerogel sensor arrays are contact printed on top of the PDMS trapezoidal lens-like microstructures. The CMOS imager uses a 32 × 32 (1024 elements) array of active pixel sensors and each pixel includes a high-gain phototransistor to convert the detected optical signals into electrical currents. Correlated double sampling circuit, pixel address, digital control and signal integration circuits are also implemented on-chip. The CMOS imager data is read out as a serial coded signal. The CMOS imager consumes a static power of 320 µW and an average dynamic power of 625 µW when operating at 100 Hz sampling frequency and 1.8 V DC. This CMOS sensor system provides a useful platform for the development of miniaturized optical chemical gas sensors.
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Affiliation(s)
- Daisy S. Daivasagaya
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, Quebec H3A2A7, Canada
| | - Lei Yao
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, Quebec H3A2A7, Canada
| | - Ka Yi Yung
- Department of Chemistry, University at Buffalo, The State University of New York, Natural Sciences Complex, Buffalo, NY 14260-3000 USA
| | - Mohamad Hajj-Hassan
- Department of Biomedical Engineering, Lebanese International University, Mazraa, Beirut, PO Box 146404, Lebanon
| | - Maurice C. Cheung
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, Quebec H3A2A7, Canada
| | - Vamsy P. Chodavarapu
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, Quebec H3A2A7, Canada
- Corresponding author. Tel.: +514 398 3118; fax: +514 398 4470., (V.P. Chodavarapu)
| | - Frank V. Bright
- Department of Chemistry, University at Buffalo, The State University of New York, Natural Sciences Complex, Buffalo, NY 14260-3000 USA
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31
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Devadhasan JP, Kim S, An J. Fish-on-a-chip: a sensitive detection microfluidic system for Alzheimer's disease. J Biomed Sci 2011; 18:33. [PMID: 21619660 PMCID: PMC3125339 DOI: 10.1186/1423-0127-18-33] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Accepted: 05/28/2011] [Indexed: 01/09/2023] Open
Abstract
Microfluidics has become an important tool in diagnosing many diseases, including neurological and genetic disorders. Alzheimer's disease (AD) is a neurodegenerative disease that irreversibly and progressively destroys memory, language ability, and thinking skills. Commonly, detection of AD is expensive and complex. Fluorescence in situ hybridization (FISH)-based microfluidic chip platform is capable of diagnosing AD at an early stage and they are effective tools for the diagnosis with low cost, high speed, and high sensitivity. In this review, we tried to provide basic information on the diagnosis of AD via FISH-based microfluidics. Different sample preparations using a microfluidic chip for diagnosis of AD are highlighted. Moreover, rapid innovations in nanotechnology for diagnosis are explained. This review will provide information on dynamic quantification methods for the diagnosis and treatment of AD. The knowledge provided in this review will help develop new integration diagnostic techniques based on FISH and microfluidics.
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Affiliation(s)
- Jasmine P Devadhasan
- College of Bionanotechnology, Kyungwon University, San 65, Bokjeong-Dong, Sujeong-Gu, Seongnam-Si, Gyeonggi-Do 461-701, Republic of Korea
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Di Maria F, Olivelli P, Gazzano M, Zanelli A, Biasiucci M, Gigli G, Gentili D, D’Angelo P, Cavallini M, Barbarella G. A Successful Chemical Strategy To Induce Oligothiophene Self-Assembly into Fibers with Tunable Shape and Function. J Am Chem Soc 2011; 133:8654-61. [DOI: 10.1021/ja2014949] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
| | | | | | | | - Mariano Biasiucci
- NNL-CNR Nanoscience Institute c/o Dip. Fisica Ed. G. Marconi, La Sapienza University, Roma, Italy and Electronical Engineering Department, Tor Vergata University, Via del Politecnico, 00133 Rome, Italy
| | - Giuseppe Gigli
- NNL-CNR Nanoscience Institute c/o Dip. Fisica Ed. G. Marconi, La Sapienza University, Roma, Italy and Electronical Engineering Department, Tor Vergata University, Via del Politecnico, 00133 Rome, Italy
- NNL-CNR Nanoscience Institute and Dip.Ingegneria Innovazione, Universitá del Salento, Via Arnesano, 73100 Lecce, Italy
| | | | - Pasquale D’Angelo
- NNL-CNR Nanoscience Institute c/o Dip. Fisica Ed. G. Marconi, La Sapienza University, Roma, Italy and Electronical Engineering Department, Tor Vergata University, Via del Politecnico, 00133 Rome, Italy
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33
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Smith KH, Tejeda-Montes E, Poch M, Mata A. Integrating top-down and self-assembly in the fabrication of peptide and protein-based biomedical materials. Chem Soc Rev 2011; 40:4563-77. [PMID: 21629920 DOI: 10.1039/c1cs15064b] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Katherine H Smith
- The Nanotechnology Platform, Parc Científic Barcelona, Baldiri Reixac 10-12, 08028 Barcelona, Spain
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34
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Gupta MN, Kaloti M, Kapoor M, Solanki K. Nanomaterials as Matrices for Enzyme Immobilization. ACTA ACUST UNITED AC 2010; 39:98-109. [DOI: 10.3109/10731199.2010.516259] [Citation(s) in RCA: 101] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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