1
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Gao Y, Ang YS, Yung LYL. One-Pot Detection of Proteins Using a Two-Way Extension-Based Assay with Cas12a. ACS Sens 2024. [PMID: 39078660 DOI: 10.1021/acssensors.4c00370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2024]
Abstract
Protein biomarkers are an important class of biomarkers in disease diagnosis and are traditionally detected by enzyme-linked immunosorbent assay and mass spectrometry, which involve multiple steps and a complex workflow. In recent years, many CRISPR-Cas12a-based methods for protein detection have been developed; however, most of them have not overcome the workflow complications observed in traditional assays, limiting their applicability in point-of-care testing. In this work, we designed a single-step, one-pot, and proximity-based isothermal immunoassay integrating CRISPR Cas12a for homogeneous protein target detection with a simplified workflow and high sensitivity. Probes consisting of different binders (small molecule, aptamer, and antibody) conjugated with oligonucleotides undergo two-way extension upon binding to the protein targets, leading to downstream DNA amplification by a pair of nicking enzymes and polymerases to generate target sequences for Cas12a signal generation. We used the streptavidin-biotin model to demonstrate the design of our assay and proved that all three elements of protein detection (target protein binding, DNA amplification, and Cas12a signal generation) could coexist in one pot and proceed isothermally in a single buffer system at a low reaction volume of 10 μL. The plug-and-play applicability of our assay has been successfully demonstrated using four different protein targets, streptavidin, PDGF-BB, antidigoxigenin antibody, and IFNγ, with the limit of detection ranging from fM to pM.
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Affiliation(s)
- Yahui Gao
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
| | - Yan Shan Ang
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
| | - Lin-Yue Lanry Yung
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
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2
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Shahrokhtash A, Sutherland DS. Smart Biointerfaces via Click Chemistry-Enabled Nanopatterning of Multiple Bioligands and DNA Force Sensors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:21534-21545. [PMID: 38634566 PMCID: PMC11073048 DOI: 10.1021/acsami.4c00831] [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: 01/15/2024] [Revised: 03/10/2024] [Accepted: 04/08/2024] [Indexed: 04/19/2024]
Abstract
Nanoscale biomolecular placement is crucial for advancing cellular signaling, sensor technology, and molecular interaction studies. Despite this, current methods fall short in enabling large-area nanopatterning of multiple biomolecules while minimizing nonspecific interactions. Using bioorthogonal tags at a submicron scale, we introduce a novel hole-mask colloidal lithography method for arranging up to three distinct proteins, DNA, or peptides on large, fully passivated surfaces. The surfaces are compatible with single-molecule fluorescence microscopy and microplate formats, facilitating versatile applications in cellular and single-molecule assays. We utilize fully passivated and transparent substrates devoid of metals and nanotopographical features to ensure accurate patterning and minimize nonspecific interactions. Surface patterning is achieved using bioorthogonal TCO-tetrazine (inverse electron-demand Diels-Alder, IEDDA) ligation, DBCO-azide (strain-promoted azide-alkyne cycloaddition, SPAAC) click chemistry, and biotin-avidin interactions. These are arranged on surfaces passivated with dense poly(ethylene glycol) PEG brushes crafted through the selective and stepwise removal of sacrificial metallic and polymeric layers, enabling the directed attachment of biospecific tags with nanometric precision. In a proof-of-concept experiment, DNA tension gauge tether (TGT) force sensors, conjugated to cRGD (arginylglycylaspartic acid) in nanoclusters, measured fibroblast integrin tension. This novel application enables the quantification of forces in the piconewton range, which is restricted within the nanopatterned clusters. A second demonstration of the platform to study integrin and epidermal growth factor (EGF) proximal signaling reveals clear mechanotransduction and changes in the cellular morphology. The findings illustrate the platform's potential as a powerful tool for probing complex biochemical pathways involving several molecules arranged with nanometer precision and cellular interactions at the nanoscale.
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Affiliation(s)
- Ali Shahrokhtash
- Interdisciplinary
Nanoscience Center, Aarhus University, Gustav Wieds Vej 14, 8000Aarhus C, Denmark
- The
Centre for Cellular Signal Patterns (CellPAT), Gustav Wieds Vej 14, 8000 Aarhus C ,Denmark
| | - Duncan S. Sutherland
- Interdisciplinary
Nanoscience Center, Aarhus University, Gustav Wieds Vej 14, 8000Aarhus C, Denmark
- The
Centre for Cellular Signal Patterns (CellPAT), Gustav Wieds Vej 14, 8000 Aarhus C ,Denmark
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3
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Gong P, Yuan S, Yu Z, Xiao T, Li H, Ma S, Bao W, Xu Z, Zhou P, Zhang DW, Li Q, Sun Z. Long-Range Epitaxial MOF Electronics for Continuous Monitoring of Human Breath Ammonia. J Am Chem Soc 2024; 146:4036-4044. [PMID: 38291728 DOI: 10.1021/jacs.3c12135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
As an important biomarker, ammonia exhibits a strong correlation with protein metabolism and specific organ dysfunction. Limited by the immobile instrumental structure, invasive and complicated procedures, and unsatisfactory online sensitivity and selectivity, current medical diagnosis fails to monitor this chemical in real time efficiently. Herein, we present the successful synthesis of a long-range epitaxial metal-organic framework on a millimeter domain-sized single-crystalline graphene substrate (LR-epi-MOF). With a perfect 30° epitaxial angle and a mere 2.8% coincidence site lattice mismatch between the MOF and graphene, this long-range-ordered epitaxial structure boosts the charge transfer from ammonia to the MOF and then to graphene, thereby promoting the overall charge delocalization and exhibiting extraordinary electrical global coupling properties. This unique characteristic imparts a remarkable sensitivity of 0.1 ppb toward ammonia. The sub-ppb detecting capability and high anti-interference ability enable continuous information recording of breath ammonia that is strongly correlated with the intriguing human lifestyle. Wearable electronics based on the LR-epi-MOF could accurately portray the active protein metabolism pattern in real time and provide personal assistance in health management.
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Affiliation(s)
- Peng Gong
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
| | - Sailin Yuan
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
| | - Ziyan Yu
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
| | - Taishi Xiao
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
| | - Hongbin Li
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
| | - Shunli Ma
- School of Microelectronics and State Key Laboratory of ASIC and System, Shanghai 200433, P. R. China
| | - Wenzhong Bao
- School of Microelectronics and State Key Laboratory of ASIC and System, Shanghai 200433, P. R. China
| | - Zihan Xu
- Shenzhen Six Carbon Technology, Shenzhen 518055, P. R. China
| | - Peng Zhou
- School of Microelectronics and State Key Laboratory of ASIC and System, Shanghai 200433, P. R. China
| | - David Wei Zhang
- School of Microelectronics and State Key Laboratory of ASIC and System, Shanghai 200433, P. R. China
| | - Qiaowei Li
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
| | - Zhengzong Sun
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
- School of Microelectronics and State Key Laboratory of ASIC and System, Shanghai 200433, P. R. China
- Yiwu Research Institute of Fudan University, Yiwu, Zhejiang 322000, P. R. China
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4
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Wang C, Wang T, Gao Y, Tao Q, Ye W, Jia Y, Zhao X, Zhang B, Zhang Z. Multiplexed immunosensing of cancer biomarkers on a split-float-gate graphene transistor microfluidic biochip. LAB ON A CHIP 2024; 24:317-326. [PMID: 38087953 DOI: 10.1039/d3lc00709j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
This work reports the development of a novel microfluidic biosensor using a graphene field-effect transistor (GFET) design for the parallel label-free analysis of multiple biomarkers. Overcoming the persistent challenge of constructing μm2-sized FET sensitive interfaces that incorporate multiple receptors, we implement a split-float-gate structure that enables the manipulation of multiplexed biochemical functionalization using microfluidic channels. Immunoaffinity biosensing experiments are conducted using the mixture samples containing three liver cancer biomarkers, carcinoembryonic antigen (CEA), α-fetoprotein (AFP), and parathyroid hormone (PTH). The results demonstrate the capability of our label-free biochip to quantitatively detect multiple target biomarkers simultaneously by observing the kinetics in 10 minutes, with the detection limit levels in the nanomolar range. This microfluidic biosensor provides a valuable analytical tool for rapid multi-target biosensing, which can be potentially utilized for domiciliary tests of cancer screening and prognosis, obviating the need for sophisticated instruments and professional operations in hospitals.
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Affiliation(s)
- Cheng Wang
- Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China.
- Department of Intelligence Science and Technology, College of Artificial Intelligence, Tianjin Normal University, Tianjin 300387, China
| | - Tao Wang
- Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China.
- Department of Communication Engineering, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China
| | - Yujing Gao
- Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China.
- Department of Intelligence Science and Technology, College of Artificial Intelligence, Tianjin Normal University, Tianjin 300387, China
| | - Qiya Tao
- Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China.
- Department of Communication Engineering, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China
| | - Weixiang Ye
- Center for Theoretical Physics, Hainan University, Haikou 570228, China.
- Department of Physics, School of Physical Science and Optoelectrical Engineering, Hainan University, Haikou 570228, China
| | - Yuan Jia
- Industrialization Center of Micro/Nano ICs and Devices, Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China.
| | - Xiaonan Zhao
- Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China.
- Department of Communication Engineering, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China
| | - Bo Zhang
- Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China.
- Department of Communication Engineering, College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China
| | - Zhixing Zhang
- Industrialization Center of Micro/Nano ICs and Devices, Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China.
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5
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Adrien V, Reffay M, Taulier N, Verchère A, Monlezun L, Picard M, Ducruix A, Broutin I, Pincet F, Urbach W. Kinetic study of membrane protein interactions: from three to two dimensions. Sci Rep 2024; 14:882. [PMID: 38195620 PMCID: PMC10776792 DOI: 10.1038/s41598-023-50827-5] [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] [Received: 04/02/2023] [Accepted: 12/26/2023] [Indexed: 01/11/2024] Open
Abstract
Molecular interactions are contingent upon the system's dimensionality. Notably, comprehending the impact of dimensionality on protein-protein interactions holds paramount importance in foreseeing protein behaviour across diverse scenarios, encompassing both solution and membrane environments. Here, we unravel interactions among membrane proteins across various dimensionalities by quantifying their binding rates through fluorescence recovery experiments. Our findings are presented through the examination of two protein systems: streptavidin-biotin and a protein complex constituting a bacterial efflux pump. We present here an original approach for gauging a two-dimensional binding constant between membrane proteins embedded in two opposite membranes. The quotient of protein binding rates in solution and on the membrane represents a metric denoting the exploration distance of the interacting sites-a novel interpretation.
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Affiliation(s)
- Vladimir Adrien
- Laboratoire de Physique de l'École normale superieure, École Normale Supérieure, Université Paris Sciences et Lettres, CNRS, Sorbonne Université, Université Paris Cité, F-75005, Paris, France.
- Department of Infectious Diseases, Avicenne Hospital, AP-HP, Université Sorbonne Paris Nord, Bobigny, France.
- Université Paris Cité, Inserm UMR-S 1266, Institute of Psychiatry and Neuroscience of Paris (IPNP), Paris, France.
| | - Myriam Reffay
- Laboratoire Matière et Systèmes Complexes, UMR 7057, CNRS and Université de Paris Cité, 75205, Paris Cedex 13, France
| | - Nicolas Taulier
- Sorbonne Université, CNRS, INSERM, Laboratoire d'Imagerie Biomédicale-LIB, 75006, Paris, France
| | - Alice Verchère
- Laboratoire CiTCoM, Faculté de Santé, Université Paris Cité, CNRS, 75006, Paris, France
| | - Laura Monlezun
- Université Paris Cité, CNRS, Expression Génétique Microbienne, Institut de Biologie Physico-Chimique, Paris, France
| | - Martin Picard
- Université Paris Cité, Laboratoire de Biologie Physico-Chimique des Protéines Membranaires CNRS UMR7099, 75005, Paris, France
- Institut de Biologie Physico-Chimique, Fondation Edmond de Rothschild, 75005, Paris, France
| | - Arnaud Ducruix
- Laboratoire CiTCoM, Faculté de Santé, Université Paris Cité, CNRS, 75006, Paris, France
| | - Isabelle Broutin
- Laboratoire CiTCoM, Faculté de Santé, Université Paris Cité, CNRS, 75006, Paris, France
| | - Frédéric Pincet
- Laboratoire de Physique de l'École normale superieure, École Normale Supérieure, Université Paris Sciences et Lettres, CNRS, Sorbonne Université, Université Paris Cité, F-75005, Paris, France.
| | - Wladimir Urbach
- Laboratoire de Physique de l'École normale superieure, École Normale Supérieure, Université Paris Sciences et Lettres, CNRS, Sorbonne Université, Université Paris Cité, F-75005, Paris, France.
- Sorbonne Université, CNRS, INSERM, Laboratoire d'Imagerie Biomédicale-LIB, 75006, Paris, France.
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6
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Jeem M, Hayano A, Miyashita H, Nishimura M, Fukuroi K, Lin HI, Zhang L, Watanabe S. Defect Driven Opto-Critical Phases Tuned for All-Solar Utilization. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2305494. [PMID: 37516456 DOI: 10.1002/adma.202305494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/23/2023] [Indexed: 07/31/2023]
Abstract
Materials imbued with uniformly dispersed, photo-responsive nanoparticles are instrumental in sustainable energy and photonic applications. Conventional methods, however, constrain their all-solar response. An innovative alternative is proposed: submerged photo-synthesis of crystallites (SPsC). It is shown that strategic doping with copper and oxygen vacancies can induce opto-critical phases from the nonstoichiometric tungstic acids (WO3 ·H2 O). These opto-critical phases enable a dynamic equilibrium shift in lattice defect stabilization, facilitating an unprecedented a whole solar wavelength response. This response manifests as photothermal, photo-assisted water evaporation, and photo-electrochemical characteristics. Harnessing all-solar energy, this one-pot SPsC strategy may steer the design and development of advanced oxide materials, enhancing functionality across diverse application domains.
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Affiliation(s)
- Melbert Jeem
- Center for Advanced Research of Energy and Materials, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
| | - Ayaka Hayano
- Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
| | - Hiroto Miyashita
- Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
| | - Mahiro Nishimura
- Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
| | - Kohei Fukuroi
- Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
| | - Hsueh-I Lin
- Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
| | - Lihua Zhang
- Center for Advanced Research of Energy and Materials, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
| | - Seiichi Watanabe
- Center for Advanced Research of Energy and Materials, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
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7
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Nisar S, Basha B, Dastgeer G, Shahzad ZM, Kim H, Rabani I, Rasheed A, Al‐Buriahi MS, Irfan A, Eom J, Kim D. A Novel Biosensing Approach: Improving SnS 2 FET Sensitivity with a Tailored Supporter Molecule and Custom Substrate. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303654. [PMID: 37863822 PMCID: PMC10667857 DOI: 10.1002/advs.202303654] [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: 06/05/2023] [Revised: 08/28/2023] [Indexed: 10/22/2023]
Abstract
The exclusive features of two-dimensional (2D) semiconductors, such as high surface-to-volume ratios, tunable electronic properties, and biocompatibility, provide promising opportunities for developing highly sensitive biosensors. However, developing practical biosensors that can promptly detect low concentrations of target analytes remains a challenging task. Here, a field-effect-transistor comprising n-type transition metal dichalcogenide tin disulfide (SnS2 ) is developed over the hexagonal boron nitride (h-BN) for the detection of streptavidin protein (Strep.) as a target analyte. A self-designed receptor based on the pyrene-lysine conjugated with biotin (PLCB) is utilized to maintain the sensitivity of the SnS2 /h-BN FET because of the π-π stacking. The detection capabilities of SnS2 /h-BN FET are investigated using both Raman spectroscopy and electrical characterizations. The real-time electrical measurements exhibit that the SnS2 /h-BN FET is capable of detecting streptavidin at a remarkably low concentration of 0.5 pm, within 13.2 s. Additionally, the selectivity of the device is investigated by measuring its response against a Cow-like serum egg white protein (BSA), having a comparative molecular weight to that of the streptavidin. These results indicate a high sensitivity and rapid response of SnS2 /h-BN biosensor against the selective proteins, which can have significant implications in several fields including point-of-care diagnostics, drug discovery, and environmental monitoring.
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Affiliation(s)
- Sobia Nisar
- Department of Electrical EngineeringSejong UniversitySeoul05006Republic of Korea
- Department of Convergence Engineering for Intelligent DroneSejong UniversitySeoul05006Republic of Korea
| | - Beriham Basha
- Department of PhysicsCollege of SciencesPrincess Nourah bint Abdulrahman UniversityP. O Box 84428Riyadh11671Saudi Arabia
| | - Ghulam Dastgeer
- Department of Physics and AstronomySejong UniversitySeoul05006Republic of Korea
| | - Zafar M. Shahzad
- SKKU Advanced Institute of Nanotechnology (SAINT) and Department of Chemical and Polymer EngineeringSungkyunkwan UniversitySuwon16419Republic of Korea
- Department of Chemical and Polymer EngineeringUniversity of Engineering & TechnologyFaisalabad CampusLahore38000Pakistan
| | - Honggyun Kim
- Department of Semiconductor Systems EngineeringSejong UniversitySeoul05006Republic of Korea
| | - Iqra Rabani
- Department of Nanotechnology and Advanced Materials EngineeringSejong UniversitySeoul05006Republic of Korea
| | - Aamir Rasheed
- School of Materials Science and EngineeringAnhui UniversityHefeiAnhui230601People's Republic of China
| | | | - Ahmad Irfan
- Department of ChemistryCollege of ScienceKing Khalid UniversityP.O. Box 9004Abha61413Saudi Arabia
| | - Jonghwa Eom
- Department of Physics and AstronomySejong UniversitySeoul05006Republic of Korea
| | - Deok‐kee Kim
- Department of Electrical EngineeringSejong UniversitySeoul05006Republic of Korea
- Department of Semiconductor Systems EngineeringSejong UniversitySeoul05006Republic of Korea
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8
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Zaid NRR, Kletting P, Beer AJ, Stallons TAR, Torgue JJ, Glatting G. Mathematical Modeling of In Vivo Alpha Particle Generators and Chelator Stability. Cancer Biother Radiopharm 2023; 38:528-535. [PMID: 33481653 DOI: 10.1089/cbr.2020.4112] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Background: Targeted α particle therapy using long-lived in vivo α particle generators is cytotoxic to target tissues. However, the redistribution of released radioactive daughters through the circulation should be considered. A mathematical model was developed to describe the physicochemical kinetics of 212Pb-labeled pharmaceuticals and its radioactive daughters. Materials and Methods: A bolus of 212Pb-labeled pharmaceuticals injected in a developed compartmental model was simulated. The contributions of chelated and free radionuclides to the total released energy were investigated for different dissociation fractions of 212Bi for different chelators, for example, 36% for DOTA. The compartmental model was applied to describe a 212Bi retention study and to assess the stability of the 212Bi-1,4,7,10-tetrakis(carbamoylmethyl)-1,4,7,10-tetraazacyclododecane (212Bi-DOTAM) complex after β- decay of 212Pb. Results: The simulation of the injection showed that α emissions contribute 75% to the total released energy, mostly from 212Po (72%). The simulation of the 212Bi retention study showed that (16 ± 5)% of 212Bi atoms dissociate from the 212Bi-DOTAM complexes. The fractions of energies released by free radionuclides were 21% and 38% for DOTAM and DOTA chelators, respectively. Conclusion: The developed α particle generator model allows for simulating the radioactive kinetics of labeled and unlabeled pharmaceuticals being released from the chelating system due to a preceding disintegration.
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Affiliation(s)
- Nouran R R Zaid
- Medical Radiation Physics, Department of Nuclear Medicine, Ulm University, Ulm, Germany
- Department of Biomedical Sciences, Biophysics and Medical Imaging Program, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Peter Kletting
- Medical Radiation Physics, Department of Nuclear Medicine, Ulm University, Ulm, Germany
- Department of Nuclear Medicine, Ulm University, Ulm, Germany
| | - Ambros J Beer
- Department of Nuclear Medicine, Ulm University, Ulm, Germany
| | | | | | - Gerhard Glatting
- Medical Radiation Physics, Department of Nuclear Medicine, Ulm University, Ulm, Germany
- Department of Nuclear Medicine, Ulm University, Ulm, Germany
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9
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Pan S, You R, Chen X, Pan W, Li Q, Chen X, Pang W, Duan X. Regulating Biomolecular Surface Interactions Using Tunable Acoustic Streaming. ACS Sens 2023; 8:3458-3467. [PMID: 37639526 DOI: 10.1021/acssensors.3c00982] [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] [Indexed: 08/31/2023]
Abstract
Diffusion limitations and nonspecific surface absorption are great challenges for developing micro-/nanoscale affinity biosensors. There are very limited approaches that can solve these issues at the same time. Here, an acoustic streaming approach enabled by a gigahertz (GHz) resonator is presented to promote mass transfer of analytes through the jet mode and biofouling removal through the shear mode, which can be switched by tuning the deviation angle, α, between the resonator and the sensor. Simulations show that the jet mode (α ≤ 0) drives the analytes in the fluid toward the sensing surface, overcomes the diffusion limitation, and enhances the binding; while the shear mode (0 < α < π/4) provides a scouring action to remove the biofouling from the sensor. Experimental studies were performed by integrating this GHz resonator with optoelectronic sensing systems, where a 34-fold enhancement for the initial binding rate was obtained. Featuring high efficiency, controllability, and versatility, we believe that this GHz acoustic streaming approach holds promise for many kinds of biosensing systems as well as lab-on-chip systems.
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Affiliation(s)
- Shuting Pan
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
| | - Rui You
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
| | - Xian Chen
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
| | - Wenwei Pan
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
| | - Quanning Li
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
| | - Xuejiao Chen
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
| | - Wei Pang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
| | - Xuexin Duan
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China
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10
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Generalov V, Cheremiskina A, Glukhov A, Grabezhova V, Kruchinina M, Safatov A. Investigation of Limitations in the Detection of Antibody + Antigen Complexes Using the Silicon-on-Insulator Field-Effect Transistor Biosensor. SENSORS (BASEL, SWITZERLAND) 2023; 23:7490. [PMID: 37687945 PMCID: PMC10490761 DOI: 10.3390/s23177490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/31/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023]
Abstract
The SOI-FET biosensor (silicon-on-insulator field-effect transistor) for virus detection is a promising device in the fields of medicine, virology, biotechnology, and the environment. However, the applications of modern biosensors face numerous problems and require improvement. Some of these problems can be attributed to sensor design, while others can be attributed to technological limitations. The aim of this work is to conduct a theoretical investigation of the "antibody + antigen" complex (AB + AG) detection processes of a SOI-FET biosensor, which may also solve some of the aforementioned problems. Our investigation concentrates on the analysis of the probability of AB + AG complex detection and evaluation. Poisson probability density distribution was used to estimate the probability of the adsorption of the target molecules on the biosensor's surface and, consequently, to obtain correct detection results. Many implicit and unexpected causes of error detection have been identified for AB + AG complexes using SOI-FET biosensors. We showed that accuracy and time of detection depend on the number of SOI-FET biosensors on a crystal.
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Affiliation(s)
- Vladimir Generalov
- Federal State Research Institution State Research Center of Virology and Biotechnology “Vector”, 630559 Koltsovo, Russia; (A.C.); (A.S.)
- Faculty of Automation and Computer Engineering, Novosibirsk State Technical University, 630073 Novosibirsk, Russia
| | - Anastasia Cheremiskina
- Federal State Research Institution State Research Center of Virology and Biotechnology “Vector”, 630559 Koltsovo, Russia; (A.C.); (A.S.)
| | - Alexander Glukhov
- Design Center of Bio-Microelectronic Technology Vega, 630082 Novosibirsk, Russia; (A.G.); (V.G.)
| | - Victoria Grabezhova
- Design Center of Bio-Microelectronic Technology Vega, 630082 Novosibirsk, Russia; (A.G.); (V.G.)
| | - Margarita Kruchinina
- Research Institute of Internal and Preventive Medicine—Branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630089 Novosibirsk, Russia;
| | - Alexander Safatov
- Federal State Research Institution State Research Center of Virology and Biotechnology “Vector”, 630559 Koltsovo, Russia; (A.C.); (A.S.)
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11
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Lehmann S, Kraft FA, Gerken M. Spatially Resolved Protein Binding Kinetics Analysis in Microfluidic Photonic Crystal Sensors. SENSORS (BASEL, SWITZERLAND) 2023; 23:5637. [PMID: 37420803 DOI: 10.3390/s23125637] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 07/09/2023]
Abstract
Organ-on-a-Chip systems are emerging as an important in vitro analysis method for drug screening and medical research. For continuous biomolecular monitoring of the cell culture response, label-free detection within the microfluidic system or in the drainage tube is promising. We study photonic crystal slabs integrated with a microfluidic chip as an optical transducer for label-free biomarker detection with a non-contact readout of binding kinetics. This work analyzes the capability of same-channel reference for protein binding measurements by using a spectrometer and 1D spatially resolved data evaluation with a spatial resolution of 1.2 μm. A cross-correlation-based data-analysis procedure is implemented. First, an ethanol-water dilution series is used to obtain the limit of detection (LOD). The median of all row LODs is (2.3±0.4)×10-4 RIU with 10 s exposure time per image and (1.3±0.24)×10-4 RIU with 30 s exposure time. Next, we used a streptavidin-biotin binding process as a test system for binding kinetics. Time series of optical spectra were recorded while constantly injecting streptavidin in DPBS at concentrations of 1.6 nM, 3.3 nM, 16.6 nM and 33.3 nM into one channel half as well as the whole channel. The results show that localized binding within a microfluidic channel is achieved under laminar flow. Furthermore, binding kinetics are fading out at the microfluidic channel edge due to the velocity profile.
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Affiliation(s)
- Stefanie Lehmann
- Integrated Systems and Photonics, Faculty of Engineering, Kiel University, 24118 Kiel, Germany
| | - Fabio Aldo Kraft
- Integrated Systems and Photonics, Faculty of Engineering, Kiel University, 24118 Kiel, Germany
| | - Martina Gerken
- Integrated Systems and Photonics, Faculty of Engineering, Kiel University, 24118 Kiel, Germany
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12
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Wang J, Chen D, Huang W, Yang N, Yuan Q, Yang Y. Aptamer-functionalized field-effect transistor biosensors for disease diagnosis and environmental monitoring. EXPLORATION (BEIJING, CHINA) 2023; 3:20210027. [PMID: 37933385 PMCID: PMC10624392 DOI: 10.1002/exp.20210027] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 03/10/2023] [Indexed: 11/08/2023]
Abstract
Nano-biosensors that are composed of recognition molecules and nanomaterials have been extensively utilized in disease diagnosis, health management, and environmental monitoring. As a type of nano-biosensors, molecular specificity field-effect transistor (FET) biosensors with signal amplification capability exhibit prominent advantages including fast response speed, ease of miniaturization, and integration, promising their high sensitivity for molecules detection and identification. With intrinsic characteristics of high stability and structural tunability, aptamer has become one of the most commonly applied biological recognition units in the FET sensing fields. This review summarizes the recent progress of FET biosensors based on aptamer functionalized nanomaterials in medical diagnosis and environmental monitoring. The structure, sensing principles, preparation methods, and functionalization strategies of aptamer modified FET biosensors were comprehensively summarized. The relationship between structure and sensing performance of FET biosensors was reviewed. Furthermore, the challenges and future perspectives of FET biosensors were also discussed, so as to provide support for the future development of efficient healthcare management and environmental monitoring devices.
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Affiliation(s)
- Jingfeng Wang
- College of Chemistry and Molecular Sciences, Institute of Molecular MedicineRenmin Hospital of Wuhan University, School of Microelectronics, Wuhan UniversityWuhanChina
| | - Duo Chen
- College of Chemistry and Molecular Sciences, Institute of Molecular MedicineRenmin Hospital of Wuhan University, School of Microelectronics, Wuhan UniversityWuhanChina
| | - Wanting Huang
- College of Chemistry and Molecular Sciences, Institute of Molecular MedicineRenmin Hospital of Wuhan University, School of Microelectronics, Wuhan UniversityWuhanChina
| | - Nianjun Yang
- Department of Chemistry, Insititute of Materials ResearchHasselt UniversityHasseltBelgium
| | - Quan Yuan
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical EngineeringHunan UniversityChangshaChina
| | - Yanbing Yang
- College of Chemistry and Molecular Sciences, Institute of Molecular MedicineRenmin Hospital of Wuhan University, School of Microelectronics, Wuhan UniversityWuhanChina
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13
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Yang Z, Wang J, Yin B, Liu W, Yin D, Shen J, Wang W, Li L, Guo X. Stimuli-Induced Subconformation Transformation of the PSI-LHCI Protein at Single-Molecule Resolution. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2205945. [PMID: 37114832 DOI: 10.1002/advs.202205945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 04/11/2023] [Indexed: 06/19/2023]
Abstract
Photosynthesis is a very important process for the current biosphere which can maintain such a subtle and stable circulatory ecosystem on earth through the transformation of energy and substance. Even though been widely studied in various aspects, the physiological activities, such as intrinsic structural vibration and self-regulation process to stress of photosynthetic proteins, are still not in-depth resolved in real-time. Herein, utilizing silicon nanowire biosensors with ultrasensitive temporal and spatial resolution, real-time responses of a single photosystem I-light harvesting complex I (PSI-LHCI) supercomplex of Pisum sativum to various conditions, including gradient variations in temperature, illumination, and electric field, are recorded. Under different temperatures, there is a bi-state switch process associated with the intrinsic thermal vibration behavior. When the variations of illumination and the bias voltage are applied, two additional shoulder states, probably derived from the self-conformational adjustment, are observed. Based on real-time monitoring of the dynamic processes of the PSI-LHCI supercomplex under various conditions, it is successively testified to promising nanotechnology for protein profiling and biological functional integration in photosynthesis studies.
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Affiliation(s)
- Zhiheng Yang
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, P. R. China
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
| | - Jie Wang
- Photosynthesis Research Center, Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, P. R. China
| | - Bing Yin
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
| | - Wenzhe Liu
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
| | - Dongbao Yin
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
| | - Jianren Shen
- Photosynthesis Research Center, Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, P. R. China
| | - Wenda Wang
- Photosynthesis Research Center, Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, P. R. China
| | - Lidong Li
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Xuefeng Guo
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin, 300350, P. R. China
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14
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El-Yadri M, El Hamdaoui J, Aghoutane N, Pérez LM, Baskoutas S, Laroze D, Díaz P, Feddi EM. Optoelectronic Properties of a Cylindrical Core/Shell Nanowire: Effect of Quantum Confinement and Magnetic Field. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1334. [PMID: 37110919 PMCID: PMC10141194 DOI: 10.3390/nano13081334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 06/19/2023]
Abstract
This study investigates the effect of quantum size and an external magnetic field on the optoelectronic properties of a cylindrical AlxGa1-xAs/GaAs-based core/shell nanowire. We used the one-band effective mass model to describe the Hamiltonian of an interacting electron-donor impurity system and employed two numerical methods to calculate the ground state energies: the variational and finite element methods. With the finite confinement barrier at the interface between the core and the shell, the cylindrical symmetry of the system revealed proper transcendental equations, leading to the concept of the threshold core radius. Our results show that the optoelectronic properties of the structure strongly depend on core/shell sizes and the strength of the external magnetic field. We found that the maximum probability of finding the electron occurs in either the core or the shell region, depending on the value of the threshold core radius. This threshold radius separates two regions where physical behaviors undergo changes and the applied magnetic field acts as an additional confinement.
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Affiliation(s)
- Mohamed El-Yadri
- Group of Optoelectronic of Semiconductors and Nanomaterials, ENSAM, Mohammed V University in Rabat, Rabat 10100, Morocco
| | - Jawad El Hamdaoui
- Group of Optoelectronic of Semiconductors and Nanomaterials, ENSAM, Mohammed V University in Rabat, Rabat 10100, Morocco
| | - Noreddine Aghoutane
- Instituto de Alta Investigación, CEDENNA, Universidad de Tarapacá, Casilla 7D, Arica 1000000, Chile
| | - Laura M. Pérez
- Departamento de Física, FACI, Universidad de Tarapacá, Casilla 7D, Arica 1000000, Chile
| | - Sotirios Baskoutas
- Department of Materials Science, University of Patras, GR-26504 Patras, Greece
| | - David Laroze
- Instituto de Alta Investigación, CEDENNA, Universidad de Tarapacá, Casilla 7D, Arica 1000000, Chile
| | - Pablo Díaz
- Departamento de Ciencias Físicas, Universidad de La Frontera, Casilla 54-D, Temuco 4780000, Chile
| | - El Mustapha Feddi
- Group of Optoelectronic of Semiconductors and Nanomaterials, ENSAM, Mohammed V University in Rabat, Rabat 10100, Morocco
- Institute of Applied Physics, Mohammed VI Polytechnic University, Lot 660, Hay Moulay Rachid Ben Guerir, Ben Guerir 43150, Morocco
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15
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Nam TW, Grossman JC. Ultrafine Filteration of Metal Catalysts Enables Fabrication of Silicon Nanowires with Diameter Approaching a Unit Cell Size. NANO LETTERS 2023; 23:2347-2353. [PMID: 36893439 DOI: 10.1021/acs.nanolett.3c00209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Advanced functionalities of silicon nanowires are size-dependent and downscaling of the nanostructure often leads to higher device performances. Single-crystal silicon nanowires with diameters approaching a single unit cell are fabricated using membrane-filtrated catalyst assisted chemical etching. Atomically filtrated gold is used as uniform pattern to direct anisotropic etching of dense silicon nanowire arrays. The size of the nanowires can be controlled by engineering the molecular weight of Poly(methyl methacrylate) used to fabricate the polymer globule membranes. The smallest silicon nanowires with 0.9 nm diameters exhibit direct, and wide band gap of 3.55 eV and establishes a new record. The experimentally obtained silicon nanowires in this size fill the valuable gap below the few-nanometer regime where to date only theoretical predictions have been available. This fabrication approach could provide facile access to atomic-scale silicon, which can bring further advancement to next generation nanodevices.
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Affiliation(s)
- Tae Won Nam
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Jeffrey C Grossman
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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16
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Wang H, Liu J, Wei J, Xiao K, Chen Y, Jiang YL, Wan J. Au Nanoparticles/HfO₂/Fully Depleted Silicon-on-Insulator MOSFET Enabled Rapid Detection of Zeptomole COVID-19 Gene With Electrostatic Enrichment Process. IEEE TRANSACTIONS ON ELECTRON DEVICES 2023; 70:1236-1242. [PMID: 36972181 PMCID: PMC10009805 DOI: 10.1109/ted.2022.3233544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 11/17/2022] [Accepted: 12/29/2022] [Indexed: 06/18/2023]
Abstract
In this work, a novel sensing structure based on Au nanoparticles/HfO2/fully depleted silicon-on-insulator (AuNPs/HfO2/FDSOI) MOSFET is fabricated. Using such a planar double gate MOSFET, the electrostatic enrichment (ESE) process is proposed for the ultrasensitive and rapid detection of the coronavirus disease 2019 (COVID-19) ORF1ab gene. The back-gate (BG) bias can induce the required electric field that enables the ESE process in the testing liquid analyte with indirect contact with the top-Si layer. It is revealed that the ESE process can rapidly and effectively accumulate ORF1ab genes close to the HfO2 surface, which can significantly change the MOSFET threshold voltage ([Formula: see text]). The proposed MOSFET successfully demonstrates the detection of zeptomole (zM) COVID-19 ORF1ab gene with an ultralow detection limit down to 67 zM (~0.04 copy/[Formula: see text]) for a test time of less than 15 min even in a high ionic-strength solution. Besides, the quantitative dependence of [Formula: see text] variation on COVID-19 ORF1ab gene concentration from 200 zM to 100 femtomole is also revealed, which is further confirmed by TCAD simulation.
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Affiliation(s)
- Haihua Wang
- State Key Laboratory of ASIC and System, School of MicroelectronicsFudan UniversityShanghai200433China
| | - Jian Liu
- Shanghai Institute of Intelligent Electronics and Systems, School of Information Science and Technology, State Key Laboratory of ASIC and SystemFudan UniversityShanghai200433China
| | - Jiahao Wei
- Shanghai Institute of Intelligent Electronics and Systems, School of Information Science and Technology, State Key Laboratory of ASIC and SystemFudan UniversityShanghai200433China
| | - Kai Xiao
- Shanghai Institute of Intelligent Electronics and Systems, School of Information Science and Technology, State Key Laboratory of ASIC and SystemFudan UniversityShanghai200433China
| | - Yingxin Chen
- Shanghai Institute of Intelligent Electronics and Systems, School of Information Science and Technology, State Key Laboratory of ASIC and SystemFudan UniversityShanghai200433China
| | - Yu-Long Jiang
- State Key Laboratory of ASIC and System, School of MicroelectronicsFudan UniversityShanghai200433China
| | - Jing Wan
- Shanghai Institute of Intelligent Electronics and Systems, School of Information Science and Technology, State Key Laboratory of ASIC and SystemFudan UniversityShanghai200433China
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17
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Weber MU, Petkowski JJ, Weber RE, Krajnik B, Stemplewski S, Panek M, Dziubak T, Mrozinska P, Piela A, Lo SL, Montanaro Ochoa HF, Yerino CD. Chip for dielectrophoretic microbial capture, separation and detection I: theoretical basis of electrode design. NANOTECHNOLOGY 2023; 34:135502. [PMID: 36571849 DOI: 10.1088/1361-6528/acae5c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 12/25/2022] [Indexed: 06/17/2023]
Abstract
We model the dielectrophoretic response ofE. colibacterial cells and red blood cells, upon exposure to an electric field. We model the separation, capture, and release mechanisms under flow conditions in a microfluidic channel and show under which conditions efficient separation of different cell types occurs. The modelling work is aimed to guide the separation electrode architecture and design for experimental validation of the model. The dielectrophoretic force is affected both by the geometry of the electrodes (the gradient of the electric field), the Re{CM(ω)} factor, and the permittivity of the medium ϵm. Our modelling makes testable predictions and shows that designing the electrode structure to ensure structure periodicity with spacing between consecutive traps smaller than the length of the depletion zone ensures efficient capture and separation. Such electrode system has higher capture and separation efficiency than systems with the established circular electrode architecture. The simulated, modelled microfluidic design allows for the separated bacteria, concentrated by dedicated dielectrophoretic regions, to be subsequently detected using label-free functionalized nanowire sensors. The experimental validation of the modelling work presented here and the validation of the theoretical design constraints of the chip electrode architecture is presented in the companion paper in the same issue (Weber MUet al2022 Chip for dielectrophoretic Microbial Capture, Separation and Detection II: Experimental Study).
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Affiliation(s)
- Monika U Weber
- Departments of Electrical Engineering and Applied Physics, Yale University, 15 Prospect St., 06520 New Haven, CT, United States of America
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
| | | | - Robert E Weber
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
| | - Bartosz Krajnik
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
- Department of Experimental Physics, Wroclaw University of Science and Technology, Wyb. S. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Slawomir Stemplewski
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
- Institute of Computer Science, Opole University, ul. Oleska 48, 45-052, Opole, Poland
| | - Marta Panek
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
| | - Tomasz Dziubak
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
| | - Paulina Mrozinska
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
| | - Anna Piela
- Hener, Wrocław Technology Park, BETA Building, Room 104, Klecińska 125, 54-413, Wrocław, Poland
| | - Siu Lung Lo
- Departments of Electrical Engineering and Applied Physics, Yale University, 15 Prospect St., 06520 New Haven, CT, United States of America
| | - Hazael F Montanaro Ochoa
- Departments of Electrical Engineering and Applied Physics, Yale University, 15 Prospect St., 06520 New Haven, CT, United States of America
- Laboratory for Acoustics and Noise control, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dubendorf, Switzerland
| | - Christopher D Yerino
- Departments of Electrical Engineering and Applied Physics, Yale University, 15 Prospect St., 06520 New Haven, CT, United States of America
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18
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Deng CF, Su YY, Yang SH, Jiang QR, Xie R, Ju XJ, Liu Z, Pan DW, Wang W, Chu LY. Designable microfluidic ladder networks from backstepping microflow analysis for mass production of monodisperse microdroplets. LAB ON A CHIP 2022; 22:1702-1713. [PMID: 36420612 DOI: 10.1039/d1lc01056e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Controllable mass production of monodisperse droplets plays a key role in numerous fields ranging from scientific research to industrial application. Microfluidic ladder networks show great potential in mass production of monodisperse droplets, but their design with uniform microflow distribution remains challenging due to the lack of a rational design strategy. Here an effective design strategy based on backstepping microflow analysis (BMA) is proposed for the rational development of microfluidic ladder networks for mass production of controllable monodisperse microdroplets. The performance of our BMA rule for rational microfluidic ladder network design is demonstrated by using an existing analogism-derived rule that is widely used for the design of microfluidic ladder networks as the control group. The microfluidic ladder network designed by the BMA rule shows a more uniform flow distribution in each branch microchannel than that designed by the existing rule, as confirmed by single-phase flow simulation. Meanwhile, the microfluidic ladder network designed by the BMA rule allows mass production of droplets with higher size monodispersity in a wider window of flow rates and mass production of polymeric microspheres from such highly monodisperse droplet templates. The proposed BMA rule provides new insights into the microflow distribution behaviors in microfluidic ladder networks based on backstepping microflow analysis and provides a rational guideline for the efficient development of microfluidic ladder networks with uniform flow distribution for mass production of highly monodisperse droplets. Moreover, the BMA method provides a general analysis strategy for microfluidic networks with parallel multiple microchannels for rational scale-up.
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Affiliation(s)
- Chuan-Fu Deng
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
| | - Yao-Yao Su
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
| | - Shi-Hao Yang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
| | - Qing-Rong Jiang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
| | - Rui Xie
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Xiao-Jie Ju
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Zhuang Liu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Da-Wei Pan
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Wei Wang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Liang-Yin Chu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China.
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, China
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19
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Ma H, Wereley ST, Linnes JC, Kinzer-Ursem TL. Measurement of Protein-Protein Interaction Dynamics Using Microfluidics and Particle Diffusometry. Anal Chem 2022; 94:15655-15662. [PMID: 36316007 PMCID: PMC9671124 DOI: 10.1021/acs.analchem.2c02570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/26/2022] [Indexed: 11/05/2022]
Abstract
The measurement and optimization of protein-protein interactions are critical in the design of biotherapeutics, biomolecular sensing elements, and functional protein-based biomaterials among other biomolecular sciences and engineering. Current gold standard assays require specifically designed core facilities, equipment, and expertise to implement the measurement, making it inconvenient for most labs unless implemented routinely. We developed a new method aiming at measuring protein binding kinetics based on microfluidics and particle diffusometry (PD), which only needs very general lab equipment, including a fluorescence microscope, a syringe pump, and a simple microchannel fabricated on a glass slide. Protein binding pairs are immobilized on two kinds of nanoparticles with different diameters using widely available conjugation chemistries. The two diluted particle suspensions are injected using a syringe pump into a Y-junction microchannel, where they bind and form particle complexes with increasing size, thereby decreasing particles' Brownian motion amplitude and diffusivity, which can be detected by PD. By taking images at a series of specific points along the microchannel, the particle diffusivity is measured at different time points after the introduction of protein-protein binding. These data are then used to quantify the protein binding kinetic constant. This label-free particle-based method is simple to operate and as accurate as the current gold standard. We demonstrate the feasibility of this accessible method by quantifying the streptavidin-biotin association constant (1.74 ± 0.51 × 107 M-1 s-1), which compares well with previously published results.
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Affiliation(s)
- Hui Ma
- Weldon
School of Biomedical Engineering, Purdue
University, West Lafayette, Indiana47907, United States
| | - Steven T. Wereley
- Department
of Mechanical Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana47907, United States
| | - Jacqueline C. Linnes
- Weldon
School of Biomedical Engineering, Purdue
University, West Lafayette, Indiana47907, United States
| | - Tamara L. Kinzer-Ursem
- Weldon
School of Biomedical Engineering, Purdue
University, West Lafayette, Indiana47907, United States
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20
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Dastgeer G, Nisar S, Shahzad ZM, Rasheed A, Kim D, Jaffery SHA, Wang L, Usman M, Eom J. Low-Power Negative-Differential-Resistance Device for Sensing the Selective Protein via Supporter Molecule Engineering. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 10:e2204779. [PMID: 36373733 PMCID: PMC9811440 DOI: 10.1002/advs.202204779] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/02/2022] [Indexed: 06/16/2023]
Abstract
Van der Waals (vdW) heterostructures composed of atomically thin two-dimensional (2D) materials have more potential than conventional metal-oxide semiconductors because of their tunable bandgaps, and sensitivities. The remarkable features of these amazing vdW heterostructures are leading to multi-functional logic devices, atomically thin photodetectors, and negative differential resistance (NDR) Esaki diodes. Here, an atomically thin vdW stacking composed of p-type black arsenic (b-As) and n-type tin disulfide (n-SnS2 ) to build a type-III (broken gap) heterojunction is introduced, leading to a negative differential resistance device. Charge transport through the NDR device is investigated under electrostatic gating to achieve a high peak-to-valley current ratio (PVCR), which improved from 2.8 to 4.6 when the temperature is lowered from 300 to 100 K. At various applied-biasing voltages, all conceivable tunneling mechanisms that regulate charge transport are elucidated. Furthermore, the real-time response of the NDR device is investigated at various streptavidin concentrations down to 1 pm, operating at a low biasing voltage. Such applications of NDR devices may lead to the development of cutting-edge electrical devices operating at low power that may be employed as biosensors to detect a variety of target DNA (e.g., ct-DNA) and protein (e.g., the spike protein associated with COVID-19).
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Affiliation(s)
- Ghulam Dastgeer
- Department of Physics and AstronomySejong UniversitySeoul05006Korea
| | - Sobia Nisar
- Department of Electrical EngineeringSejong UniversitySeoul05006Korea
| | - Zafar Muhammad Shahzad
- Department of Chemical & Polymer EngineeringUniversity of Engineering and TechnologyLahore, Faisalabad Campus38000Pakistan
- SKKU Advanced Institute of Nanotechnology (SAINT)Sungkyunkwan UniversitySuwon16419Korea
| | - Aamir Rasheed
- Department of Physics and Interdisciplinary Course of Physics and ChemistrySungkyunkwan UniversitySuwonGyeonggi‐do16419Korea
| | - Deok‐kee Kim
- Department of Electrical EngineeringSejong UniversitySeoul05006Korea
| | - Syed Hassan Abbas Jaffery
- HMC (Hybrid Materials Center)Department of Nanotechnology and Advanced Materials Engineeringand Graphene Research InstituteSejong UniversitySeoul05006Korea
| | - Liang Wang
- Department of BioinformaticsSchool of Medical Informatics and EngineeringXuzhou Medical UniversityXuzhou221006China
| | - Muhammad Usman
- Department of BioinformaticsSchool of Medical Informatics and EngineeringXuzhou Medical UniversityXuzhou221006China
| | - Jonghwa Eom
- Department of Physics and AstronomySejong UniversitySeoul05006Korea
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21
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Morganti D, Faro MJL, Leonardi AA, Fazio B, Conoci S, Irrera A. Luminescent Silicon Nanowires as Novel Sensor for Environmental Air Quality Control. SENSORS (BASEL, SWITZERLAND) 2022; 22:8755. [PMID: 36433351 PMCID: PMC9698341 DOI: 10.3390/s22228755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 10/28/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Air quality monitoring is an increasingly debated topic nowadays. The increasing spillage of waste products released into the environment has contributed to the increase in air pollution. Consequently, the production of increasingly performing devices in air monitoring is increasingly in demand. In this scenario, the attention dedicated to workplace safety monitoring has led to the developing and improving of new sensors. Despite technological advancements, sensors based on nanostructured materials are difficult to introduce into the manufacturing flow due to the high costs of the processes and the approaches that are incompatible with the microelectronics industry. The synthesis of a low-cost ultra-thin silicon nanowires (Si NWs)-based sensor is here reported, which allows us the detection of various dangerous gases such as acetone, ethanol, and the ammonia test as a proof of concept in a nitrogen-based mixture. A modified metal-assisted chemical etching (MACE) approach enables to obtain ultra-thin Si NWs by a cost-effective, rapid and industrially compatible process that exhibit an intense light emission at room temperature. All these gases are common substances that we find not only in research or industrial laboratories, but also in our daily life and can pose a serious danger to health, even at small concentrations of a few ppm. The exploitation of the Si NWs optical and electrical properties for the detection of low concentrations of these gases through their photoluminescence and resistance changes will be shown in a nitrogen-based gas mixture. These sensing platforms give fast and reversible responses with both optical and electrical transductions. These high performances and the scalable synthesis of Si NWs could pave the way for market-competitive sensors for ambient air quality monitoring.
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Affiliation(s)
- Dario Morganti
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 5, 98166 Messina, Italy
| | - Maria José Lo Faro
- Department of Physics and Astronomy, University of Catania, Via Santa Sofia 64, 95123 Catania, Italy
- CNR-IMM UoS Catania, Via Santa Sofia 64, 95123 Catania, Italy
| | - Antonio Alessio Leonardi
- Department of Physics and Astronomy, University of Catania, Via Santa Sofia 64, 95123 Catania, Italy
- CNR-IMM UoS Catania, Via Santa Sofia 64, 95123 Catania, Italy
| | - Barbara Fazio
- URT LAB SENS, Beyond Nano—CNR, c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 5, 98166 Messina, Italy
| | - Sabrina Conoci
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 5, 98166 Messina, Italy
- URT LAB SENS, Beyond Nano—CNR, c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 5, 98166 Messina, Italy
- CNR-IMM Istituto per la Microelettronica e Microsistemi, Zona Industriale, VIII Strada 5, 95121 Catania, Italy
| | - Alessia Irrera
- URT LAB SENS, Beyond Nano—CNR, c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 5, 98166 Messina, Italy
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22
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Plekhanova YV, Reshetilov AN. Nanomaterials for Controlled Adjustment of the Parameters of Electrochemical Biosensors and Biofuel Cells. BIOL BULL+ 2022. [DOI: 10.1134/s1062359022040124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Bostock C, Teal CJ, Dang M, Golinski AW, Hackel BJ, Shoichet MS. Affibody-mediated controlled release of fibroblast growth factor 2. J Control Release 2022; 350:815-828. [PMID: 36087800 DOI: 10.1016/j.jconrel.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 10/14/2022]
Abstract
Protein therapeutics possess high target affinity and specificity, yet short residence times, which limit their broad utility. To overcome this challenge, we used affinity interactions to modulate protein release from a hydrogel delivery vehicle thereby prolonging therapeutic availability. Specifically, we designed an affibody-modified hyaluronan (HA)-based hydrogel as a delivery platform for fibroblast growth factor 2 (FGF2), a neuroprotective and neuroregenerative factor in the central nervous system (CNS). We identified a highly specific affibody binding partner with moderate affinity for FGF2 using yeast surface display and flow cytometry-based screening. Importantly, we demonstrated controlled release of bioactive FGF2 from the hydrogel by varying the ratio of affibody to protein and showed increased thermal stability of FGF2 in the presence of affibody. This versatile delivery platform will allow the distinct, simultaneous release of multiple proteins based on specific affinity interactions.
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Affiliation(s)
- Chiara Bostock
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada; Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Carter J Teal
- Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada; Institute of Biomedical Engineering, 164 College Street, Toronto, Ontario M5S 3G9, Canada
| | - Mickael Dang
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada; Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Alex W Golinski
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue Southeast, 356 Amundson Hall, Minneapolis, MN 55455, United States
| | - Benjamin J Hackel
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue Southeast, 356 Amundson Hall, Minneapolis, MN 55455, United States
| | - Molly S Shoichet
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada; Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada; Institute of Biomedical Engineering, 164 College Street, Toronto, Ontario M5S 3G9, Canada.
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24
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Liu H, Ahn DJ. Anisotropic CdSe Tetrapods in Vortex Flow for Removing Non-Specific Binding and Increasing Protein Capture. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22155929. [PMID: 35957486 PMCID: PMC9371395 DOI: 10.3390/s22155929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 08/01/2022] [Accepted: 08/05/2022] [Indexed: 06/09/2023]
Abstract
Non-specific binding (NSB) is one of the important issues in biosensing performance. Herein, we designed a strategy for removing non-specific binding including anti-mouse IgG antibody and bovine serum albumin (BSA) by utilizing anisotropic cadmium selenide tetrapods (CdSe TPs) in a vortex flow. The shear force on the tetrapod nanoparticles was increased by controlling the rotation rate of the vortex flow from 0 rpm to 1000 rpm. As a result, photoluminescence (PL) signals of fluorescein (FITC)-conjugated protein, anti-mouse IgG antibody-FITC and bovine serum albumin (BSA)-FITC, were reduced by 35% and 45%, respectively, indicating that NSB can be removed under vortex flow. In particular, simultaneous NSB removal and protein capture can be achieved even with mixture solutions of target antibodies and anti-mouse IgG antibodies by applying cyclic mode vortex flow on anisotropic CdSe TPs. These results demonstrate successfully that NSB can be diminished by rotating CdSe TPs to generate shear force under vortex flow. This study opens up new research protocols for utilization of anisotropic nanoparticles under vortex flow, which increases the feasibility of protein capture and non-specific proteins removal for biosensors.
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Affiliation(s)
- Hanzhe Liu
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Korea
| | - Dong June Ahn
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Korea
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25
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Hui Y, Huang Z, Alahi MEE, Nag A, Feng S, Mukhopadhyay SC. Recent Advancements in Electrochemical Biosensors for Monitoring the Water Quality. BIOSENSORS 2022; 12:bios12070551. [PMID: 35884353 PMCID: PMC9313366 DOI: 10.3390/bios12070551] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/10/2022] [Accepted: 07/13/2022] [Indexed: 05/06/2023]
Abstract
The release of chemicals and microorganisms from various sources, such as industry, agriculture, animal farming, wastewater treatment plants, and flooding, into water systems have caused water pollution in several parts of our world, endangering aquatic ecosystems and individual health. World Health Organization (WHO) has introduced strict standards for the maximum concentration limits for nutrients and chemicals in drinking water, surface water, and groundwater. It is crucial to have rapid, sensitive, and reliable analytical detection systems to monitor the pollution level regularly and meet the standard limit. Electrochemical biosensors are advantageous analytical devices or tools that convert a bio-signal by biorecognition elements into a significant electrical response. Thanks to the micro/nano fabrication techniques, electrochemical biosensors for sensitive, continuous, and real-time detection have attracted increasing attention among researchers and users worldwide. These devices take advantage of easy operation, portability, and rapid response. They can also be miniaturized, have a long-life span and a quick response time, and possess high sensitivity and selectivity and can be considered as portable biosensing assays. They are of special importance due to their great advantages such as affordability, simplicity, portability, and ability to detect at on-site. This review paper is concerned with the basic concepts of electrochemical biosensors and their applications in various water quality monitoring, such as inorganic chemicals, nutrients, microorganisms' pollution, and organic pollutants, especially for developing real-time/online detection systems. The basic concepts of electrochemical biosensors, different surface modification techniques, bio-recognition elements (BRE), detection methods, and specific real-time water quality monitoring applications are reviewed thoroughly in this article.
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Affiliation(s)
- Yun Hui
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
| | - Zhaoling Huang
- School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China;
| | - Md Eshrat E. Alahi
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
- Correspondence: (M.E.E.A.); (S.F.)
| | - Anindya Nag
- Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01062 Dresden, Germany;
- Centre for Tactile Internet with Human-in-the-Loop (CeTI), Technische Universität Dresden, 01069 Dresden, Germany
| | - Shilun Feng
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- Correspondence: (M.E.E.A.); (S.F.)
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26
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Zhu H, Chen Z, Chen Y, Zhu JJ. Affinities and Kinetics Detection of Protein-Small Molecule Interactions with a Monolayer MoS 2 -Based Optical Imaging Platform. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202622. [PMID: 35726050 DOI: 10.1002/smll.202202622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Quantifying the binding kinetics and affinities of protein-small molecule interactions is critical for biomarker validation, drug discovery, and deep understanding of various biological processes at the molecular-scale. Novel approaches are demanded as most common label-free techniques are mass-sensitive, which are not suitable for the detection of small molecule interactions. Here, an optical imaging platform is developed to measure the binding kinetics of both protein-small molecules and protein-ions based on monolayer MoS2 , an ultra-thin 2D material whose optical absorption is extremely sensitive to charge. A model is established to calibrate the optical response due to the charged analyte binding and it is applied to quantify the interactions between abl1 kinase and different small-molecule inhibitors. Such a presented method is capable of distinguishing different inhibitors binding to a wild or mutated kinase, which provides guidance for drug evaluation and drug mechanism exploration. The binding kinetics of calcium ions to calmodulin is also measured, further broadening the application field of the method. In addition, the imaging capability allows mapping the local binding kinetics of the molecular interactions with a high resolution, which reveals visible spatial variability and offers a promising tool for studying heterogeneous local interfacial interactions.
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Affiliation(s)
- Hao Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, P. R. China
| | - Zixuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Yun Chen
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, P. R. China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
- Shenzhen Research Institute of Nanjing University, Shenzhen, 518000, P. R. China
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27
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Khodadadian A, Parvizi M, Teshnehlab M, Heitzinger C. Rational Design of Field-Effect Sensors Using Partial Differential Equations, Bayesian Inversion, and Artificial Neural Networks. SENSORS 2022; 22:s22134785. [PMID: 35808281 PMCID: PMC9269136 DOI: 10.3390/s22134785] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 02/06/2023]
Abstract
Silicon nanowire field-effect transistors are promising devices used to detect minute amounts of different biological species. We introduce the theoretical and computational aspects of forward and backward modeling of biosensitive sensors. Firstly, we introduce a forward system of partial differential equations to model the electrical behavior, and secondly, a backward Bayesian Markov-chain Monte-Carlo method is used to identify the unknown parameters such as the concentration of target molecules. Furthermore, we introduce a machine learning algorithm according to multilayer feed-forward neural networks. The trained model makes it possible to predict the sensor behavior based on the given parameters.
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Affiliation(s)
- Amirreza Khodadadian
- Institute of Applied Mathematics, Leibniz University Hannover, Welfengarten 1, 30167 Hannover, Germany;
- Correspondence:
| | - Maryam Parvizi
- Institute of Applied Mathematics, Leibniz University Hannover, Welfengarten 1, 30167 Hannover, Germany;
- Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering-Innovation Across Disciplines), Leibniz University Hannover, 30167 Hannover, Germany
| | - Mohammad Teshnehlab
- Faculty of Electrical Engineering, K. N. Toosi University of Technology, Tehran 19697, Iran;
| | - Clemens Heitzinger
- Institute of Analysis and Scientific Computing, TU Wien, Wiedner Hauptstrasse 8–10, 1040 Vienna, Austria;
- Center for Artificial Intelligence and Machine Learning (CAIML), TU Wien, 1040 Vienna, Austria
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28
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Catalyst-free synthesis of sub-5 nm silicon nanowire arrays with massive lattice contraction and wide bandgap. Nat Commun 2022; 13:3467. [PMID: 35725850 PMCID: PMC9209539 DOI: 10.1038/s41467-022-31174-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 05/29/2022] [Indexed: 11/08/2022] Open
Abstract
The need for miniaturized and high-performance devices has attracted enormous attention to the development of quantum silicon nanowires. However, the preparation of abundant quantities of silicon nanowires with the effective quantum-confined dimension remains challenging. Here, we prepare highly dense and vertically aligned sub-5 nm silicon nanowires with length/diameter aspect ratios greater than 10,000 by developing a catalyst-free chemical vapor etching process. We observe an unusual lattice reduction of up to 20% within ultra-narrow silicon nanowires and good oxidation stability in air compared to conventional silicon. Moreover, the material exhibits a direct optical bandgap of 4.16 eV and quasi-particle bandgap of 4.75 eV with the large exciton binding energy of 0.59 eV, indicating the significant phonon and electronic confinement. The results may provide an opportunity to investigate the chemistry and physics of highly confined silicon quantum nanostructures and may explore their potential uses in nanoelectronics, optoelectronics, and energy systems.
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29
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A Fast and Label-Free Potentiometric Method for Direct Detection of Glutamine with Silicon Nanowire Biosensors. BIOSENSORS 2022; 12:bios12060368. [PMID: 35735517 PMCID: PMC9221423 DOI: 10.3390/bios12060368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/24/2022] [Accepted: 05/24/2022] [Indexed: 11/17/2022]
Abstract
In this paper, a potentiometric method is used for monitoring the concentration of glutamine in the bioprocess by employing silicon nanowire biosensors. Just one hydrolyzation reaction was used, which is much more convenient compared with the two-stage reactions in the published papers. For the silicon nanowire biosensor, the Al2O3 sensing layer provides a highly sensitive to solution-pH, which has near-Nernstian sensitivity. The sensitive region to detect glutamine is from ≤40 μM to 20 mM. The Sigmoidal function was used to model the pH-signal variation versus the glutamine concentration. Compared with the amperometric methods, a consistent result from different devices could be directly obtained. It is a fast and direct method achieved with our real-time setup. Also, it is a label-free method because just the pH variation of the solution is monitored. The obtained results show the feasibility of the potentiometric method for monitoring the glutamine concentrations in fermentation processes. Our approach in this paper can be applied to various analytes.
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30
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Yang XD, Gong B, Chen W, Qian C, Du M, Yu HQ. In-situ quantitative monitoring the organic contaminants uptake onto suspended microplastics in aquatic environments. WATER RESEARCH 2022; 215:118235. [PMID: 35247605 DOI: 10.1016/j.watres.2022.118235] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/21/2022] [Accepted: 02/24/2022] [Indexed: 06/14/2023]
Abstract
Microplastics act as a source of organic contaminants in aquatic environments and thus affect their environmental fate and toxicity. Because of the weak and reversible interactions between microplastics and organic species, the organic coronas vary with their surrounding environments. Thus, in order to evaluate the possible environmental risks of microplastics, methods for evaluating the dynamic uptake of organic contaminants onto suspended microplastics in aquatic environments are greatly desired. In this work, a UV-vis spectroscopy-based approach was developed for in-situ monitoring organic contaminants uptake onto suspended microplastics after correcting the light scattering interference from microplastics suspensions and establishing the nonlinear relationship between concentration and light absorbance of organic species. The inverse adding-doubling method based on radiative transfer theory was adopted to correct the light scattering effect of suspensions. Then, the resulting mixed absorption spectra were decomposed to calculate the concentrations of the aqueous and adsorbed organic species simultaneously with a nonlinear calibration method. The uptake processes of bisphenol A and p-nitrophenol onto nylon 66 microparticles were monitored with this approach and confirmed by high-performance liquid chromatography analysis. The approach was validated by applying it to natural water samples, and the equilibrium adsorption capacity was found to be interfered mainly by the protein-like substances. This approach has high accuracy, good reproducibility, remarkable universality, and ease of handling, and also provides a potential tool for characterizing the corona formation process on suspended particles both in natural and artificial environments, such as eco-corona formation and engineering surface modification on nano/micro-particles.
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Affiliation(s)
- Xu-Dan Yang
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Bo Gong
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Wei Chen
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Chen Qian
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China.
| | - Meng Du
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Han-Qing Yu
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China.
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31
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Wu L, Li X, Miao H, Xu J, Pan G. State of the art in development of molecularly imprinted biosensors. VIEW 2022. [DOI: 10.1002/viw.20200170] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Affiliation(s)
- Licheng Wu
- Sino‐European School of Technology of Shanghai University Shanghai University Shanghai China
| | - Xiaolei Li
- Sino‐European School of Technology of Shanghai University Shanghai University Shanghai China
| | - Haohan Miao
- Institute for Advanced Materials, School of Materials Science and Engineering Jiangsu University Zhenjiang Jiangsu China
| | - Jingjing Xu
- Sino‐European School of Technology of Shanghai University Shanghai University Shanghai China
| | - Guoqing Pan
- Institute for Advanced Materials, School of Materials Science and Engineering Jiangsu University Zhenjiang Jiangsu China
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32
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Nguyen-Le TA, Bartsch T, Wodtke R, Brandt F, Arndt C, Feldmann A, Sandoval Bojorquez DI, Roig AP, Ibarlucea B, Lee S, Baek CK, Cuniberti G, Bergmann R, Puentes-Cala E, Soto JA, Kurien BT, Bachmann M, Baraban L. Nanosensors in clinical development of CAR-T cell immunotherapy. Biosens Bioelectron 2022; 206:114124. [PMID: 35272215 DOI: 10.1016/j.bios.2022.114124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 02/18/2022] [Accepted: 02/20/2022] [Indexed: 11/30/2022]
Abstract
Immunotherapy using CAR-T cells is a new technological paradigm for cancer treatment. To avoid severe side effects and tumor escape variants observed for conventional CAR-T cells approach, adaptor CAR technologies are under development, where intermediate target modules redirect immune cells against cancer. In this work, silicon nanowire field-effect transistors are used to develop target modules for an optimized CAR-T cell operation. Focusing on a library of seven variants of E5B9 peptide that is used as CAR targeting epitope, we performed multiplexed binding tests using nanosensor chips. These peptides had been immobilized onto the sensor to compare the transistor signals upon titration with anti-La 5B9 antibodies. The correlation of binding affinities and sensor sensitivities enabled a selection of candidates for the interaction between CAR and target modules. An extremely low detection limit was observed for the sensor, down to femtomolar concentration, outperforming the current assay of the same purpose. Finally, the CAR T-cells redirection capability of selected peptides in target modules was proven successful in an in-vitro cytotoxicity assay. Our results open the perspective for the nanosensors to go beyond the early diagnostics in clinical cancer research towards developing and monitoring immunotherapeutic treatment, where the quantitative analysis with the standard techniques is limited.
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Affiliation(s)
- Trang Anh Nguyen-Le
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany
| | - Tabea Bartsch
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany
| | - Robert Wodtke
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany
| | - Florian Brandt
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany; Fakultät Chemie und Lebensmittelchemie, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
| | - Claudia Arndt
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany; Mildred Scheel Early Career Center, Faculty of Medicine Carl Gustav Carus, TU Dresden, 01307, Dresden, Germany
| | - Anja Feldmann
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany
| | - Diana Isabel Sandoval Bojorquez
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany
| | - Arnau Perez Roig
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany
| | - Bergoi Ibarlucea
- Institute for Materials Science, Max Bergmann Center for Biomaterials, Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01069, Dresden, Germany
| | - Seungho Lee
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Chan-Ki Baek
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Gianaurelio Cuniberti
- Institute for Materials Science, Max Bergmann Center for Biomaterials, Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01069, Dresden, Germany
| | - Ralf Bergmann
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany; Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - Edinson Puentes-Cala
- Corporación para la Investigación de la Corrosión (CIC), Piedecuesta, 681011, Colombia
| | | | - Biji T Kurien
- The Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation and University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA.
| | - Michael Bachmann
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany; Tumor Immunology, University Cancer Center (UCC), University Hospital Carl Gustav Carus Dresden, Technische Universität Dresden, 01307, Dresden, Germany; National Center for Tumor Diseases (NCT), Dresden, Germany. Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307, Dresden, Germany; German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Dresden, Germany.
| | - Larysa Baraban
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf e. V. (HZDR), 01328, Dresden, Germany.
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33
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Kojima K, Iizumi Y, Zhang M, Okazaki T. Streptavidin-Conjugated Oxygen-Doped Single-Walled Carbon Nanotubes as Near-Infrared Labels for Immunoassays. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:1509-1513. [PMID: 35029992 DOI: 10.1021/acs.langmuir.1c02824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Single-walled carbon nanotubes (CNTs) are promising candidates for near-infrared (NIR) fluorescent labels in diagnostic fields. We report a complex of oxygen-doped CNT (o-CNT) and streptavidin (SA) for preparing CNT-based NIR labels with a high reaction efficiency in immunoassays. This complex specifically binds to biotin molecules by conjugating a linker molecule of phospholipid polyethylene glycol (PL-PEG) to SA (o-CNT-SA). The immunoprecipitation reaction efficiency between o-CNT-SA and biotin reaches 79.3% when the surface of o-CNTs is uniformly covered with SA-conjugated PL-PEG. The strong affinity between SA and biotin is useful for preparing CNT-based sensitive NIR fluorescent labels.
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Affiliation(s)
- Keiko Kojima
- Department of Chemistry, University of Tsukuba, Tsukuba 305-8577, Japan
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8565, Japan
| | - Yoko Iizumi
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8565, Japan
| | - Minfang Zhang
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8565, Japan
| | - Toshiya Okazaki
- Department of Chemistry, University of Tsukuba, Tsukuba 305-8577, Japan
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8565, Japan
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34
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Lee S, Jeong M, Lee S, Lee SH, Choi JS. Mag-spinner: a next-generation Facile, Affordable, Simple, and porTable (FAST) magnetic separation system. NANOSCALE ADVANCES 2022; 4:792-800. [PMID: 36131828 PMCID: PMC9419614 DOI: 10.1039/d1na00791b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 12/22/2021] [Indexed: 06/02/2023]
Abstract
Mag-spinner, a system in which magnets are combined with a spinner system, is a new type of magnetic separation system for the preprocessing of biological and medical samples. Interference by undesired components restricts the detection accuracy and efficiency. Thus, the development of appropriate separation techniques is required for better detection of the desired targets, to enrich the target analytes and remove the undesired components. The strong response of iron oxide nanoclusters can successfully capture the targets quickly and with high efficiency. As a result, cancer cells can be effectively separated from blood using the developed mag-spinner system. Indeed, this system satisfies the requirements for desirable separation systems, namely (i) fast sorting rates, (ii) high separation efficiency, (iii) the ability to process native biological fluids, (iv) simple operating procedures, (v) low cost, (vi) operational convenience, and (vii) portability. Therefore, this system is widely applicable to sample preparation without limitations on place, cost, and equipment.
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Affiliation(s)
- Sanghoon Lee
- Dept. of Chemical and Biological Engineering, Hanbat National University 34158 Daejeon Republic of Korea
| | - Miseon Jeong
- Dept. of Chemical and Biological Engineering, Hanbat National University 34158 Daejeon Republic of Korea
| | - Soojin Lee
- Dept. of Microbiology & Molecular Biology, Chungnam National University 34134 Daejeon Republic of Korea
| | - Sang Hun Lee
- Dept. of Chemical and Biological Engineering, Hanbat National University 34158 Daejeon Republic of Korea
| | - Jin-Sil Choi
- Dept. of Chemical and Biological Engineering, Hanbat National University 34158 Daejeon Republic of Korea
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35
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Lu K, Liu C, Wang G, Yang W, Fan K, Lazarouk S, Labunov V, Dong L, Li D, Yang X. High sensitivity silicon nanowire array sensor for joint detecting the tumor markers CEA and AFP. Biomater Sci 2022; 10:3823-3830. [DOI: 10.1039/d2bm00555g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Liver cancer is one of the malignant tumors with the highest fatality rate and the increasing incidence, which has no effective treatment plan. Early diagnosis and early treatment of liver...
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36
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Lin Y, Han Y, Sharma A, AlGhamdi WS, Liu C, Chang T, Xiao X, Lin W, Lu P, Seitkhan A, Mottram AD, Pattanasattayavong P, Faber H, Heeney M, Anthopoulos TD. A Tri-Channel Oxide Transistor Concept for the Rapid Detection of Biomolecules Including the SARS-CoV-2 Spike Protein. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2104608. [PMID: 34738258 PMCID: PMC8646384 DOI: 10.1002/adma.202104608] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/24/2021] [Indexed: 05/10/2023]
Abstract
Solid-state transistor sensors that can detect biomolecules in real time are highly attractive for emerging bioanalytical applications. However, combining upscalable manufacturing with the required performance remains challenging. Here, an alternative biosensor transistor concept is developed, which relies on a solution-processed In2 O3 /ZnO semiconducting heterojunction featuring a geometrically engineered tri-channel architecture for the rapid, real-time detection of important biomolecules. The sensor combines a high electron mobility channel, attributed to the electronic properties of the In2 O3 /ZnO heterointerface, in close proximity to a sensing surface featuring tethered analyte receptors. The unusual tri-channel design enables strong coupling between the buried electron channel and electrostatic perturbations occurring during receptor-analyte interactions allowing for robust, real-time detection of biomolecules down to attomolar (am) concentrations. The experimental findings are corroborated by extensive device simulations, highlighting the unique advantages of the heterojunction tri-channel design. By functionalizing the surface of the geometrically engineered channel with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibody receptors, real-time detection of the SARS-CoV-2 spike S1 protein down to am concentrations is demonstrated in under 2 min in physiological relevant conditions.
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Affiliation(s)
- Yen‐Hung Lin
- Blackett LaboratoryDepartment of PhysicsImperial College LondonLondonSW7 2AZUK
- Clarendon LaboratoryDepartment of PhysicsUniversity of OxfordOxfordOX1 3PUUK
| | - Yang Han
- Department of ChemistryImperial College LondonLondonSW7 2AZUK
- School of Materials Science and EngineeringTianjin UniversityTianjin300072China
| | - Abhinav Sharma
- KAUST Solar CentreKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
| | - Wejdan S. AlGhamdi
- KAUST Solar CentreKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
| | - Chien‐Hao Liu
- Department of Mechanical EngineeringNational Taiwan UniversityTaipei10617Taiwan
| | - Tzu‐Hsuan Chang
- Department of Electrical EngineeringNational Taiwan UniversityTaipei10617Taiwan
| | - Xi‐Wen Xiao
- Department of Mechanical EngineeringNational Taiwan UniversityTaipei10617Taiwan
| | - Wei‐Zhi Lin
- Department of Mechanical EngineeringNational Taiwan UniversityTaipei10617Taiwan
| | - Po‐Yu Lu
- Department of Mechanical EngineeringNational Taiwan UniversityTaipei10617Taiwan
| | - Akmaral Seitkhan
- KAUST Solar CentreKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
| | - Alexander D. Mottram
- Department of Materials Science and EngineeringSchool of Molecular Science and EngineeringVidyasirimedhi Institute of Science and Technology (VISTEC)Rayong21210Thailand
| | - Pichaya Pattanasattayavong
- Department of Materials Science and EngineeringSchool of Molecular Science and EngineeringVidyasirimedhi Institute of Science and Technology (VISTEC)Rayong21210Thailand
| | - Hendrik Faber
- KAUST Solar CentreKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
| | - Martin Heeney
- Department of ChemistryImperial College LondonLondonSW7 2AZUK
| | - Thomas D. Anthopoulos
- Blackett LaboratoryDepartment of PhysicsImperial College LondonLondonSW7 2AZUK
- KAUST Solar CentreKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
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37
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Yong SK, Shen SK, Chiang CW, Weng YY, Lu MP, Yang YS. Silicon Nanowire Field-Effect Transistor as Label-Free Detection of Hepatitis B Virus Proteins with Opposite Net Charges. BIOSENSORS 2021; 11:bios11110442. [PMID: 34821658 PMCID: PMC8615946 DOI: 10.3390/bios11110442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/28/2021] [Accepted: 11/04/2021] [Indexed: 12/14/2022]
Abstract
The prevalence of hepatitis B virus (HBV) is a global healthcare threat, particularly chronic hepatitis B (CHB) that might lead to hepatocellular carcinoma (HCC) should not be neglected. Although many types of HBV diagnosis detection methods are available, some technical challenges, such as the high cost or lack of practical feasibility, need to be overcome. In this study, the polycrystalline silicon nanowire field-effect transistors (pSiNWFETs) were fabricated through commercial process technology and then chemically functionalized for sensing hepatitis B virus surface antigen (HBsAg) and hepatitis B virus X protein (HBx) at the femto-molar level. These two proteins have been suggested to be related to the HCC development, while the former is also the hallmark for HBV diagnosis, and the latter is an RNA-binding protein. Interestingly, these two proteins carried opposite net charges, which could serve as complementary candidates for evaluating the charge-based sensing mechanism in the pSiNWFET. The measurements on the threshold voltage shifts of pSiNWFETs showed a consistent correspondence to the polarity of the charges on the proteins studied. We believe that this report can pave the way towards developing an approachable tool for biomedical applications.
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Affiliation(s)
- Suh Kuan Yong
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan;
| | - Shang-Kai Shen
- Institute of Biomedical Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; (S.-K.S.); (C.-W.C.); (Y.-Y.W.)
| | - Chia-Wei Chiang
- Institute of Biomedical Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; (S.-K.S.); (C.-W.C.); (Y.-Y.W.)
| | - Ying-Ya Weng
- Institute of Biomedical Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; (S.-K.S.); (C.-W.C.); (Y.-Y.W.)
| | - Ming-Pei Lu
- Taiwan Semiconductor Research Institute, National Applied Research Laboratories, Hsinchu 300, Taiwan
- Correspondence: (M.-P.L.); (Y.-S.Y.)
| | - Yuh-Shyong Yang
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan;
- Correspondence: (M.-P.L.); (Y.-S.Y.)
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38
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Zhang G, Zeng H, Liu J, Nagashima K, Takahashi T, Hosomi T, Tanaka W, Yanagida T. Nanowire-based sensor electronics for chemical and biological applications. Analyst 2021; 146:6684-6725. [PMID: 34667998 DOI: 10.1039/d1an01096d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Detection and recognition of chemical and biological species via sensor electronics are important not only for various sensing applications but also for fundamental scientific understanding. In the past two decades, sensor devices using one-dimensional (1D) nanowires have emerged as promising and powerful platforms for electrical detection of chemical species and biologically relevant molecules due to their superior sensing performance, long-term stability, and ultra-low power consumption. This paper presents a comprehensive overview of the recent progress and achievements in 1D nanowire synthesis, working principles of nanowire-based sensors, and the applications of nanowire-based sensor electronics in chemical and biological analytes detection and recognition. In addition, some critical issues that hinder the practical applications of 1D nanowire-based sensor electronics, including device reproducibility and selectivity, stability, and power consumption, will be highlighted. Finally, challenges, perspectives, and opportunities for developing advanced and innovative nanowire-based sensor electronics in chemical and biological applications are featured.
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Affiliation(s)
- Guozhu Zhang
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Hao Zeng
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Jiangyang Liu
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Kazuki Nagashima
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Tsunaki Takahashi
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Takuro Hosomi
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Wataru Tanaka
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Takeshi Yanagida
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan
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39
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Kong D, Wang X, Gu C, Guo M, Wang Y, Ai Z, Zhang S, Chen Y, Liu W, Wu Y, Dai C, Guo Q, Qu D, Zhu Z, Xie Y, Liu Y, Wei D. Direct SARS-CoV-2 Nucleic Acid Detection by Y-Shaped DNA Dual-Probe Transistor Assay. J Am Chem Soc 2021; 143:17004-17014. [PMID: 34623792 PMCID: PMC8524959 DOI: 10.1021/jacs.1c06325] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Indexed: 12/18/2022]
Abstract
Rapid screening of infected individuals from a large population is an effective means in epidemiology, especially to contain outbreaks such as COVID-19. The gold standard assays for COVID-19 diagnostics are mainly based on the reverse transcription polymerase chain reaction, which mismatches the requirements for wide-population screening due to time-consuming nucleic acid extraction and amplification procedures. Here, we report a direct nucleic acid assay by using a graphene field-effect transistor (g-FET) with Y-shaped DNA dual probes (Y-dual probes). The assay relies on Y-dual probes modified on g-FET simultaneously targeting ORF1ab and N genes of SARS-CoV-2 nucleic acid, enabling high a recognition ratio and a limit of detection (0.03 copy μL-1) 1-2 orders of magnitude lower than existing nucleic acid assays. The assay realizes the fastest nucleic acid testing (∼1 min) and achieves direct 5-in-1 pooled testing for the first time. Owing to its rapid, ultrasensitive, easily operated features as well as capability in pooled testing, it holds great promise as a comprehensive tool for population-wide screening of COVID-19 and other epidemics.
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Affiliation(s)
- Derong Kong
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Xuejun Wang
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Chenjian Gu
- Key
Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department
of Medical Microbiology and Parasitology, School of Basic Medical
Sciences, Shanghai Medical College, Fudan
University, Shanghai 200433, China
| | - Mingquan Guo
- Department
of Laboratory Medicine, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - Yao Wang
- Key
Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department
of Medical Microbiology and Parasitology, School of Basic Medical
Sciences, Shanghai Medical College, Fudan
University, Shanghai 200433, China
| | - Zhaolin Ai
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Shen Zhang
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Yiheng Chen
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Wentao Liu
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Yungen Wu
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Changhao Dai
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Qianying Guo
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
| | - Di Qu
- Key
Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department
of Medical Microbiology and Parasitology, School of Basic Medical
Sciences, Shanghai Medical College, Fudan
University, Shanghai 200433, China
| | - Zhaoqin Zhu
- Department
of Laboratory Medicine, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - Youhua Xie
- Key
Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department
of Medical Microbiology and Parasitology, School of Basic Medical
Sciences, Shanghai Medical College, Fudan
University, Shanghai 200433, China
| | - Yunqi Liu
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
- Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Dacheng Wei
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
- Institute
of Molecular Materials and Devices, Fudan
University, Shanghai 200433, China
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40
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Ming T, Cheng Y, Xing Y, Luo J, Mao G, Liu J, Sun S, Kong F, Jin H, Cai X. Electrochemical Microfluidic Paper-Based Aptasensor Platform Based on a Biotin-Streptavidin System for Label-Free Detection of Biomarkers. ACS APPLIED MATERIALS & INTERFACES 2021; 13:46317-46324. [PMID: 34546713 DOI: 10.1021/acsami.1c12716] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Timely and rapid detection of biomarkers is extremely important for the diagnosis and treatment of diseases. However, going to the hospital to test biomarkers is the most common way. People need to spend a lot of money and time on various tests for potential disease detection. To make the detection more convenient and affordable, we propose a paper-based aptasensor platform in this work. This device is based on a cellulose paper, on which a three-electrode system and microfluidic channels are fabricated. Meanwhile, novel nanomaterials consisting of amino redox graphene/thionine/streptavidin-modified gold nanoparticles/chitosan are synthesized and modified on the working electrode of the device. Through the biotin-streptavidin system, the aptamer whose 5'end is modified with biotin can be firmly immobilized on the electrode. The detection principle is that the current generated by the nanomaterials decreases proportionally to the concentration of targets owing to the combination of the biomarker and its aptamer. 17β-Estradiol (17β-E2), as one of the widely used diagnostic biomarkers of various clinical conditions, is adopted for verifying the performance of the platform. The experimental results demonstrated that this device enables the determination of 17β-E2 in a wide linear range of concentrations of 10 pg mL-1 to 100 ng mL-1 and the limit of detection is 10 pg mL-1 (S/N = 3). Moreover, it enables the detection of targets in clinical serum samples, demonstrating its potential to be a disposable and convenient integrated platform for detecting various biomarkers.
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Affiliation(s)
- Tao Ming
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing 100034, China
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yan Cheng
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing 100034, China
| | - Yu Xing
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jinping Luo
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Gang Mao
- Fourth People's Hospital of Jinan, Jinan 250031, China
| | - Juntao Liu
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Shuai Sun
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Fanli Kong
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hongyan Jin
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing 100034, China
| | - Xinxia Cai
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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41
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Ma J, Du M, Wang C, Xie X, Wang H, Li T, Chen S, Zhang L, Mao S, Zhou X, Wu M. Rapid and Sensitive Detection of Mycobacterium tuberculosis by an Enhanced Nanobiosensor. ACS Sens 2021; 6:3367-3376. [PMID: 34470206 DOI: 10.1021/acssensors.1c01227] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Tuberculosis (TB) mostly spreads from person to person through Mycobacterium tuberculosis (MTB). However, the majority of conventional detection methods for MTB cannot satisfy the requirements for actual TB detection. As one of the most promising powerful platforms, a silicon nanowire field-effect transistor (SiNW-FET) biosensor shows good prospect in TB detection. In this study, an enhanced SiNW-FET biosensor was developed for the rapid and sensitive detection of MTB. The surface functional parameters of the biosensor were explored and optimized. The SiNW-FET biosensor has good sensitivity with a detection limit of 0.01 fg/mL toward protein. The current change value shows a linear upward trend with the increase in protein concentration in the range of 1 fg/mL to 100 μg/mL. One whole test cycle can be accomplished within only 30 s. More importantly, a good distinction was realized in the sputum without pretreatment between normal people and TB patients, which greatly shortened the TB detection time (only 2-5 min, considering the dilution of sputum). Compared with other methods, the SiNW-FET biosensor can detect MTB with a remarkably broad dynamic linear range in a shorter time.
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Affiliation(s)
- Jinbiao Ma
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, PR China
- Tianjin Key Lab of Indoor Air Environmental Quality Control, Tianjin 300072, PR China
| | - Manman Du
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, PR China
- Tianjin Key Lab of Indoor Air Environmental Quality Control, Tianjin 300072, PR China
| | - Can Wang
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, PR China
- Tianjin Key Lab of Indoor Air Environmental Quality Control, Tianjin 300072, PR China
| | - Xinwu Xie
- Institute of Medical Support Technology, Academy of Military Science, Tianjin 300161, PR China
- National Bio-Protection Engineering Center, Tianjin 300161, PR China
| | - Hao Wang
- Institute of Medical Support Technology, Academy of Military Science, Tianjin 300161, PR China
- School of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, PR China
| | - Tie Li
- Science and Technology on Micro-system Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, PR China
- State Key Laboratories of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, PR China
| | - Shixing Chen
- Science and Technology on Micro-system Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, PR China
- State Key Laboratories of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, PR China
| | - Lixia Zhang
- Tianjin Haihe Hospital, Tianjin 300350, PR China
| | - Shun Mao
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China
| | - Xiaohong Zhou
- State Key Joint Laboratory of ESPC, School of Environment, Tsinghua University, Beijing 100084, PR China
| | - Min Wu
- Tianjin Haihe Hospital, Tianjin 300350, PR China
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42
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Zhong Y, Saleh A, Inal S. Decoding Electrophysiological Signals with Organic Electrochemical Transistors. Macromol Biosci 2021; 21:e2100187. [PMID: 34463019 DOI: 10.1002/mabi.202100187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/19/2021] [Indexed: 11/08/2022]
Abstract
The organic electrochemical transistor (OECT) has unique characteristics that distinguish it from other transistors and make it a promising electronic transducer of biological events. High transconductance, flexibility, and biocompatibility render OECTs ideal for detecting electrophysiological signals. Device properties such as transconductance, response time, and noise level should, however, be optimized to adapt to the needs of various application environments including in vitro cell culture, human skin, and inside of a living system. This review includes an overview of the origin of electrophysiological signals, the working principles of OECTs, and methods for performance optimization. While covering recent research examples of the use of OECTs in electrophysiology, a perspective is provided for next-generation bioelectric sensors and amplifiers for electrophysiology applications.
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Affiliation(s)
- Yizhou Zhong
- Organic Bioelectronics Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Abdulelah Saleh
- Organic Bioelectronics Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Sahika Inal
- Organic Bioelectronics Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
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Rapid single-molecule digital detection of protein biomarkers for continuous monitoring of systemic immune disorders. Blood 2021; 137:1591-1602. [PMID: 33275650 DOI: 10.1182/blood.2019004399] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 11/24/2020] [Indexed: 12/12/2022] Open
Abstract
Digital protein assays have great potential to advance immunodiagnostics because of their single-molecule sensitivity, high precision, and robust measurements. However, translating digital protein assays to acute clinical care has been challenging because it requires deployment of these assays with a rapid turnaround. Herein, we present a technology platform for ultrafast digital protein biomarker detection by using single-molecule counting of immune-complex formation events at an early, pre-equilibrium state. This method, which we term "pre-equilibrium digital enzyme-linked immunosorbent assay" (PEdELISA), can quantify a multiplexed panel of protein biomarkers in 10 µL of serum within an unprecedented assay incubation time of 15 to 300 seconds over a 104 dynamic range. PEdELISA allowed us to perform rapid monitoring of protein biomarkers in patients manifesting post-chimeric antigen receptor T-cell therapy cytokine release syndrome, with ∼30-minute sample-to-answer time and a sub-picograms per mL limit of detection. The rapid, sensitive, and low-input volume biomarker quantification enabled by PEdELISA is broadly applicable to timely monitoring of acute disease, potentially enabling more personalized treatment.
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Kumari R, Yadav A, Sharma S, Das Gupta T, Varshney SK, Lahiri B. Tunable Van der Waal's optical metasurfaces (VOMs) for biosensing of multiple analytes. OPTICS EXPRESS 2021; 29:25800-25811. [PMID: 34614900 DOI: 10.1364/oe.432284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 07/21/2021] [Indexed: 06/13/2023]
Abstract
Van der Waal's heterostructure assembling low dimensional materials are the new paradigm in the field of nanophotonics. In this work, we theoretically investigate Van der Waal's optical metasurfaces consisting of graphene and hBN for the application of biosensing of multiple analytes in the mid-infrared (MIR) region. Phonon polaritons of hexagonal boron nitride (hBN) show an advantage over plasmon polaritons, as the phonon polaritons are lossless and possess high momentum and enhanced lifetime. The hybrid phonon mode produced at 6.78 µm in the mid-infrared (MIR) region with near-perfect absorption is used for surface-enhanced infrared absorption (SEIRA) based detection of organic analytes. Moreover, by adding the graphene layer, the device's overall resonance responses can be tuned, enabling it to identify multiple organic analytes-such as 4,4'-bis(N-carbazolyl)-1,1'-biphenyl (CBP) and nitrobenzene (Nb) [C6H5NO2], just by changing graphene's fermi potential (Ef). Owing to large wave vector of phonon polariton, the device has the capability to detect small amount of number of molecules (390 for CBP and 1990 for nitrobenzene), thus creating a highly sensitive optical biosensor.
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Saftics A, Kurunczi S, Peter B, Szekacs I, Ramsden JJ, Horvath R. Data evaluation for surface-sensitive label-free methods to obtain real-time kinetic and structural information of thin films: A practical review with related software packages. Adv Colloid Interface Sci 2021; 294:102431. [PMID: 34330074 DOI: 10.1016/j.cis.2021.102431] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 04/16/2021] [Accepted: 04/18/2021] [Indexed: 02/07/2023]
Abstract
Interfacial layers are important in a wide range of applications in biomedicine, biosensing, analytical chemistry and the maritime industries. Given the growing number of applications, analysis of such layers and understanding their behavior is becoming crucial. Label-free surface sensitive methods are excellent for monitoring the formation kinetics, structure and its evolution of thin layers, even at the nanoscale. In this paper, we review existing and commercially available label-free techniques and demonstrate how the experimentally obtained data can be utilized to extract kinetic and structural information during and after formation, and any subsequent adsorption/desorption processes. We outline techniques, some traditional and some novel, based on the principles of optical and mechanical transduction. Our special focus is the current possibilities of combining label-free methods, which is a powerful approach to extend the range of detected and deduced parameters. We summarize the most important theoretical considerations for obtaining reliable information from measurements taking place in liquid environments and, hence, with layers in a hydrated state. A thorough treamtmaent of the various kinetic and structural quantities obtained from evaluation of the raw label-free data are provided. Such quantities include layer thickness, refractive index, optical anisotropy (and molecular orientation derived therefrom), degree of hydration, viscoelasticity, as well as association and dissociation rate constants and occupied area of subsequently adsorbed species. To demonstrate the effect of variations in model conditions on the observed data, simulations of kinetic curves at various model settings are also included. Based on our own extensive experience with optical waveguide lightmode spectroscopy (OWLS) and the quartz crystal microbalance (QCM), we have developed dedicated software packages for data analysis, which are made available to the scientific community alongside this paper.
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Tintelott M, Pachauri V, Ingebrandt S, Vu XT. Process Variability in Top-Down Fabrication of Silicon Nanowire-Based Biosensor Arrays. SENSORS (BASEL, SWITZERLAND) 2021; 21:5153. [PMID: 34372390 PMCID: PMC8347659 DOI: 10.3390/s21155153] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 07/27/2021] [Accepted: 07/27/2021] [Indexed: 12/31/2022]
Abstract
Silicon nanowire field-effect transistors (SiNW-FET) have been studied as ultra-high sensitive sensors for the detection of biomolecules, metal ions, gas molecules and as an interface for biological systems due to their remarkable electronic properties. "Bottom-up" or "top-down" approaches that are used for the fabrication of SiNW-FET sensors have their respective limitations in terms of technology development. The "bottom-up" approach allows the synthesis of silicon nanowires (SiNW) in the range from a few nm to hundreds of nm in diameter. However, it is technologically challenging to realize reproducible bottom-up devices on a large scale for clinical biosensing applications. The top-down approach involves state-of-the-art lithography and nanofabrication techniques to cast SiNW down to a few 10s of nanometers in diameter out of high-quality Silicon-on-Insulator (SOI) wafers in a controlled environment, enabling the large-scale fabrication of sensors for a myriad of applications. The possibility of their wafer-scale integration in standard semiconductor processes makes SiNW-FETs one of the most promising candidates for the next generation of biosensor platforms for applications in healthcare and medicine. Although advanced fabrication techniques are employed for fabricating SiNW, the sensor-to-sensor variation in the fabrication processes is one of the limiting factors for a large-scale production towards commercial applications. To provide a detailed overview of the technical aspects responsible for this sensor-to-sensor variation, we critically review and discuss the fundamental aspects that could lead to such a sensor-to-sensor variation, focusing on fabrication parameters and processes described in the state-of-the-art literature. Furthermore, we discuss the impact of functionalization aspects, surface modification, and system integration of the SiNW-FET biosensors on post-fabrication-induced sensor-to-sensor variations for biosensing experiments.
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Affiliation(s)
| | | | | | - Xuan Thang Vu
- Institute of Materials in Electrical Engineering 1, RWTH Aachen University, Sommerfeldstr. 24, 52074 Aachen, Germany; (M.T.); (V.P.); (S.I.)
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Morganti D, Leonardi AA, Lo Faro MJ, Leonardi G, Salvato G, Fazio B, Musumeci P, Livreri P, Conoci S, Neri G, Irrera A. Ultrathin Silicon Nanowires for Optical and Electrical Nitrogen Dioxide Detection. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1767. [PMID: 34361153 PMCID: PMC8308154 DOI: 10.3390/nano11071767] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/29/2021] [Accepted: 07/03/2021] [Indexed: 11/25/2022]
Abstract
The ever-stronger attention paid to enhancing safety in the workplace has led to novel sensor development and improvement. Despite the technological progress, nanostructured sensors are not being commercially transferred due to expensive and non-microelectronic compatible materials and processing approaches. In this paper, the realization of a cost-effective sensor based on ultrathin silicon nanowires (Si NWs) for the detection of nitrogen dioxide (NO2) is reported. A modification of the metal-assisted chemical etching method allows light-emitting silicon nanowires to be obtained through a fast, low-cost, and industrially compatible approach. NO2 is a well-known dangerous gas that, even with a small concentration of 3 ppm, represents a serious hazard for human health. We exploit the particular optical and electrical properties of these Si NWs to reveal low NO2 concentrations through their photoluminescence (PL) and resistance variations reaching 2 ppm of NO2. Indeed, these Si NWs offer a fast response and reversibility with both electrical and optical transductions. Despite the macro contacts affecting the electrical transduction, the sensing performances are of high interest for further developments. These promising performances coupled with the scalable Si NW synthesis could unfold opportunities for smaller sized and better performing sensors reaching the market for environmental monitoring.
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Affiliation(s)
- Dario Morganti
- CNR-IPCF, Istituto per i Processi Chimico-Fisici, Viale F. Stagno D’Alcontres 37, 98158 Messina, Italy; (D.M.); (A.A.L.); (G.S.); (B.F.)
- Dipartimento di Fisica e Astronomia, Università di Catania, Via Santa Sofia 64, 95123 Catania, Italy; (M.J.L.F.); (P.M.)
| | - Antonio Alessio Leonardi
- CNR-IPCF, Istituto per i Processi Chimico-Fisici, Viale F. Stagno D’Alcontres 37, 98158 Messina, Italy; (D.M.); (A.A.L.); (G.S.); (B.F.)
- Dipartimento di Fisica e Astronomia, Università di Catania, Via Santa Sofia 64, 95123 Catania, Italy; (M.J.L.F.); (P.M.)
- CNR-IMM UoS Catania, Istituto per la Microelettronica e Microsistemi, Via Santa Sofia 64, 95123 Catania, Italy
| | - Maria José Lo Faro
- Dipartimento di Fisica e Astronomia, Università di Catania, Via Santa Sofia 64, 95123 Catania, Italy; (M.J.L.F.); (P.M.)
- CNR-IMM UoS Catania, Istituto per la Microelettronica e Microsistemi, Via Santa Sofia 64, 95123 Catania, Italy
| | - Gianluca Leonardi
- Institute of Advanced Technologies for Energy (ITAE)—CNR, Salita Santa Lucia Sopra Contesse 5, 98126 Messina, Italy;
| | - Gabriele Salvato
- CNR-IPCF, Istituto per i Processi Chimico-Fisici, Viale F. Stagno D’Alcontres 37, 98158 Messina, Italy; (D.M.); (A.A.L.); (G.S.); (B.F.)
| | - Barbara Fazio
- CNR-IPCF, Istituto per i Processi Chimico-Fisici, Viale F. Stagno D’Alcontres 37, 98158 Messina, Italy; (D.M.); (A.A.L.); (G.S.); (B.F.)
| | - Paolo Musumeci
- Dipartimento di Fisica e Astronomia, Università di Catania, Via Santa Sofia 64, 95123 Catania, Italy; (M.J.L.F.); (P.M.)
| | - Patrizia Livreri
- Department of Engineering, University of Palermo, Viale delle Scienze Ed.9, 90128 Palermo, Italy;
| | - Sabrina Conoci
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche, ed Ambientali, Università Degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres, 98166 Messina, Italy;
| | - Giovanni Neri
- Dipartimento di Ingegneria, Università Degli Studi di Messina, C.da Di Dio, 98166 Messina, Italy;
| | - Alessia Irrera
- CNR-IPCF, Istituto per i Processi Chimico-Fisici, Viale F. Stagno D’Alcontres 37, 98158 Messina, Italy; (D.M.); (A.A.L.); (G.S.); (B.F.)
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Lee D, Jung WH, Lee S, Yu ES, Lee T, Kim JH, Song HS, Lee KH, Lee S, Han SK, Choi MC, Ahn DJ, Ryu YS, Kim C. Ionic contrast across a lipid membrane for Debye length extension: towards an ultimate bioelectronic transducer. Nat Commun 2021; 12:3741. [PMID: 34145296 PMCID: PMC8213817 DOI: 10.1038/s41467-021-24122-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 06/03/2021] [Indexed: 11/09/2022] Open
Abstract
Despite technological advances in biomolecule detections, evaluation of molecular interactions via potentiometric devices under ion-enriched solutions has remained a long-standing problem. To avoid severe performance degradation of bioelectronics by ionic screening effects, we cover probe surfaces of field effect transistors with a single film of the supported lipid bilayer, and realize respectable potentiometric signals from receptor-ligand bindings irrespective of ionic strength of bulky solutions by placing an ion-free water layer underneath the supported lipid bilayer. High-energy X-ray reflectometry together with the circuit analysis and molecular dynamics simulation discovered biochemical findings that effective electrical signals dominantly originated from the sub-nanoscale conformational change of lipids in the course of receptor-ligand bindings. Beyond thorough analysis on the underlying mechanism at the molecular level, the proposed supported lipid bilayer-field effect transistor platform ensures the world-record level of sensitivity in molecular detection with excellent reproducibility regardless of molecular charges and environmental ionic conditions.
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Affiliation(s)
- Donggeun Lee
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea.,Department of Electrical & Electronic Engineering, Yonsei University, Seoul, Republic of Korea
| | - Woo Hyuk Jung
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea
| | - Suho Lee
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Eui-Sang Yu
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Taikjin Lee
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Jae Hun Kim
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Hyun Seok Song
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Kwan Hyi Lee
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul, Republic of Korea.,KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Seok Lee
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Sang-Kook Han
- Department of Electrical & Electronic Engineering, Yonsei University, Seoul, Republic of Korea
| | - Myung Chul Choi
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Dong June Ahn
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea. .,KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea.
| | - Yong-Sang Ryu
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea. .,KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea.
| | - Chulki Kim
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea.
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Abstract
Bioelectronics explores the use of electronic devices for applications in signal transduction at their interfaces with biological systems. The miniaturization of the bioelectronic systems has enabled seamless integration at these interfaces and is providing new scientific and technological opportunities. In particular, nanowire-based devices can yield smaller sized and unique geometry detectors that are difficult to access with standard techniques, and thereby can provide advantages in sensitivity with reduced invasiveness. In this review, we focus on nanowire-enabled bioelectronics. First, we provide an overview of synthetic studies for designed growth of semiconductor nanowires of which structure and composition are controlled to enable key elements for bioelectronic devices. Second, we review nanowire field-effect transistor sensors for highly sensitive detection of biomolecules, their applications in diagnosis and drug discovery, and methods for sensitivity enhancement. We then turn to recent progress in nanowire-enabled studies of electrogenic cells, including cardiomyocytes and neurons. Representative advances in electrical recording using nanowire electronic devices for single cell measurements, cell network mapping, and three-dimensional recordings of synthetic and natural tissues, and in vivo brain mapping are highlighted. Finally, we overview the key challenges and opportunities of nanowires for fundamental research and translational applications.
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Affiliation(s)
- Anqi Zhang
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA
| | - Jae-Hyun Lee
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA
- Center for Nanomedicine, Institute for Basic Science (IBS), Advanced Science Institute, Yonsei University, Seoul, 03722, Korea
| | - Charles M Lieber
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA
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50
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Jiang D, Zhao X, Liu YN, Chen HB, Lv WL, Qian C, Liu XW. Label-Free Probing of Molecule Binding Kinetics Using Single-Particle Interferometric Imaging. Anal Chem 2021; 93:7965-7969. [PMID: 34029055 DOI: 10.1021/acs.analchem.1c00828] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Probing molecular interactions is critical for screening drugs, detecting pollutants, and understanding biological processes at the molecular level, but these interactions are difficult to detect, especially for small molecules. A label-free optical imaging technology that can detect molecule binding kinetics is presented, in which free-moving particles are driven into oscillations with an alternating electrical field and the interferometric scattering patterns of the particles are imaged via an optical imaging method. By tracking the charge-sensitive variations in the oscillation amplitude with sub-nanometer precision, the small molecules and metal ions binding to the surface as well as protein-protein binding kinetics were measured. The capability of the label-free measurement of molecular interactions can provide a promising platform for screening small-molecule drugs, probing conformational changes in proteins, and detecting environmental pollutants.
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Affiliation(s)
- Di Jiang
- Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Xiaona Zhao
- Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Yi-Nan Liu
- Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Hai-Bo Chen
- Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Wen-Li Lv
- Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Chen Qian
- Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Xian-Wei Liu
- Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China.,Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
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