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Ning Z, Long Z, Yang G, Xing L, Xue X. Self-Powered Wearable Biosensor in a Baby Diaper for Monitoring Neonatal Jaundice through a Hydrovoltaic-Biosensing Coupling Effect of ZnO Nanoarray. BIOSENSORS 2022; 12:bios12030164. [PMID: 35323434 PMCID: PMC8946715 DOI: 10.3390/bios12030164] [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: 01/25/2022] [Revised: 02/24/2022] [Accepted: 03/04/2022] [Indexed: 05/02/2023]
Abstract
Neonatal jaundice refers to the abnormality of bilirubin metabolism for newborns, and wearable transcutaneous bilirubin meters for real-time measuring the bilirubin concentration is an insistent demand for the babies' parents and doctors. In this paper, a self-powered wearable biosensor in a baby diaper for real-time monitoring neonatal jaundice has been realized by the hydrovoltaic-biosensing coupling effect of ZnO nanoarray. Without external power supply, the system can work independently, and the hydrovoltaic output can be treated as both the power source and biosensing signal. The working mechanism is that the hydrovoltaic output arises from the urine flowing on ZnO nanoarray and the enzymatic reaction on the surface can influence the output. The sensing information can be transmitted through a wireless transmitter, and thus the parents and doctors can treat the neonatal jaundice of babies in time. This work can potentially promote the development of next generation of biosensors and physiological monitoring system, and expand the scope of self-powered technique and smart healthcare area.
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Affiliation(s)
- Zirui Ning
- School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China; (Z.N.); (G.Y.); (L.X.)
| | - Zhihe Long
- Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China;
| | - Guangyou Yang
- School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China; (Z.N.); (G.Y.); (L.X.)
| | - Lili Xing
- School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China; (Z.N.); (G.Y.); (L.X.)
| | - Xinyu Xue
- School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China; (Z.N.); (G.Y.); (L.X.)
- Correspondence:
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2
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Shin JH, Lee MJ, Choi JH, Song JA, Kim TH, Oh BK. Electrochemical H 2O 2 biosensor based on horseradish peroxidase encapsulated protein nanoparticles with reduced graphene oxide-modified gold electrode. NANO CONVERGENCE 2020; 7:39. [PMID: 33330946 PMCID: PMC7744559 DOI: 10.1186/s40580-020-00249-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 12/06/2020] [Indexed: 05/28/2023]
Abstract
In this study, an electrochemical biosensor composed of a horseradish peroxidase (HRP)-encapsulated protein nanoparticles (HEPNP) was fabricated for the sensitive and selective detection of H2O2. The HEPNP has a three-dimensional structure that can contain a large amount of HRP; therefore, HEPNP can amplify the electrochemical signals necessary for the detection of H2O2. Furthermore, reduced graphene oxide (rGO) was used to increase the efficiency of electron transfer from the HEPNP to an electrode, which could enhance the electrochemical signal. This biosensor showed a sensitive electrochemical performance for detection of H2O2 with signals in the range from 0.01-100 μM, and it could detect low concentrations up to 0.01 μM. Furthermore, this biosensor was operated against interferences from glucose, ascorbic acid, and uric acid. In addition, this fabricated H2O2 biosensor showed selective detection performance in human blood serum. Therefore, the proposed biosensor could promote the sensitive and selective detection of H2O2 in clinical applications.
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Affiliation(s)
- Jeong-Hyeop Shin
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Myeong-Jun Lee
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Jin-Ha Choi
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Ji-Ae Song
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Tae-Hwan Kim
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Byung-Keun Oh
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea.
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3
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Zhang W, Guan H, Zhong T, Zhao T, Xing L, Xue X. Wearable Battery-Free Perspiration Analyzing Sites Based on Sweat Flowing on ZnO Nanoarrays. NANO-MICRO LETTERS 2020; 12:105. [PMID: 34138107 PMCID: PMC7770781 DOI: 10.1007/s40820-020-00441-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 03/27/2020] [Indexed: 05/11/2023]
Abstract
We fabricated wearable perspiration analyzing sites for actively monitoring physiological status during exercises without any batteries or other power supply. The device mainly consists of ZnO nanowire (NW) arrays and flexible polydimethylsiloxane substrate. Sweat on the skin can flow into the flow channels of the device through capillary action and flow along the channels to ZnO NWs. The sweat flowing on the NWs (with lactate oxidase modification) can output a DC electrical signal, and the outputting voltage is dependent on the lactate concentration in the sweat as the biosensing signal. ZnO NWs generate electric double layer (EDL) in sweat, which causes a potential difference between the upper and lower ends (hydrovoltaic effect). The product of the enzymatic reaction can adjust the EDL and influence the output. This device can be integrated with wireless transmitter and may have potential application in constructing sports big data. This work promotes the development of next generation of biosensors and expands the scope of self-powered physiological monitoring system.
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Affiliation(s)
- Wanglinhan Zhang
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, People's Republic of China
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China
| | - Hongye Guan
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, People's Republic of China
| | - Tianyan Zhong
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, People's Republic of China
| | - Tianming Zhao
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, People's Republic of China
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China
| | - Lili Xing
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, People's Republic of China.
| | - Xinyu Xue
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, People's Republic of China.
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China.
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4
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Chen G, Hu Q, Shu H, Wang L, Cui X, Han J, Bashir K, Luo Z, Chang C, Fu Q. Fluorescent biosensor based on magnetic cross-linking enzyme aggregates/CdTe quantum dots for the detection of H 2O 2-bioprecursors. NEW J CHEM 2020. [DOI: 10.1039/d0nj03761c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A fluorescent sensing system for H2O2-bioprecursors based on CdTe quantum dots and magnetic cross-linking enzyme aggregates was designed.
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Affiliation(s)
- Guoning Chen
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Qianqian Hu
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Hua Shu
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Lu Wang
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Xia Cui
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Jili Han
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Kamran Bashir
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Zhimin Luo
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Chun Chang
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
| | - Qiang Fu
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an 710061
- China
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5
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Liao L, Meng Y, Wang R, Jia B, Li P. Coupling and Regulation of Porous Carriers Using Plasma and Amination to Improve the Catalytic Performance of Glucose Oxidase and Catalase. Front Bioeng Biotechnol 2019; 7:426. [PMID: 31921828 PMCID: PMC6923177 DOI: 10.3389/fbioe.2019.00426] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 12/02/2019] [Indexed: 12/12/2022] Open
Abstract
Multiple enzyme systems are being increasingly used for their high-efficiency and co-immobilization is a key technology to lower the cost and improve the stability of enzymes. In this study, poly glycidyl methacrylate (PGMA) spheres were synthesized using suspension polymerization, and were used as a support to co-immobilize glucose oxidase (GOx) and catalase (CAT). Surface modification was carried out via a combination of plasma and amination to promote the properties of the catalyzer. The co-immobilized enzymes showed a more extensive range of optimum pH and temperature from 5.5 to 7.5 and 25 to 40°C, respectively, compared to free enzymes. Furthermore, the maximum activity and protein adsorption quantity of the co-immobilized enzymes reached 25.98 U/g and 6.07 mg/g, respectively. The enzymatic activity of the co-immobilized enzymes was maintained at ~70% after storage for 5 days and at 82% after three consecutive cycles, indicating that the immobilized material could be applied industrially.
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Affiliation(s)
- Lingtong Liao
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Yuling Meng
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Ruiming Wang
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
- State Key Laboratory of Biobased Material & Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Baolei Jia
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Piwu Li
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
- State Key Laboratory of Biobased Material & Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
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6
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Okuyama H, Oshiba Y, Yamaguchi T. Flow-Based Immunosensing Using the Pore Channel of a Porous Membrane As a Reaction Space. Anal Chem 2019; 91:14178-14182. [DOI: 10.1021/acs.analchem.9b02489] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hiroto Okuyama
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
| | - Yuhei Oshiba
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
| | - Takeo Yamaguchi
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
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7
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Bai G, Xu X, Dai Q, Zheng Q, Yao Y, Liu S, Yao C. An electrochemical enzymatic nanoreactor based on dendritic mesoporous silica nanoparticles for living cell H 2O 2 detection. Analyst 2019; 144:481-487. [PMID: 30457582 DOI: 10.1039/c8an01712c] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The selective and quantitative detection of cellular H2O2 is essential for understanding its roles in physiology and pathology. A new electrochemical H2O2 biosensor, fabricated by immobilizing horseradish peroxidase onto dendritic mesoporous silica nanoparticles (HRP/DMSNs), is employed for living cell H2O2 detection. Taking advantage of the large pore volume and highly accessible internal surface areas of DMSNs, HRP/DMSNs display higher enzymatic loading, better stability and bioactivity in comparison with HRP on nonporous silica nanoparticles (NSNs). Therefore, a HRP/DMSN modified GCE (HRP/DMSNs/GCE) shows attractive electrochemical performance for sensitive and selective detection of H2O2 in 0.1 M pH 7.0 PBS, with a low Kappm value of 11.48 μM and a low detection limit of 0.11 μM. In addition, HRP/DMSNs/GCE is successfully applied to detect H2O2 released from a PC12 cell triggered by ascorbic acid (AA). The detected H2O2 amount is close to the reported values. The developed biosensor has potential in the dynamic detection of the flux of H2O2 from living cells for further evaluation of oxidative stress in cells.
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Affiliation(s)
- Guangmin Bai
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, P. R. China.
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8
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Jiang L, Wang K, Zhang F, Zhang Y, Wang H, Liu S. Enhanced Metabolic Activity of Cytochrome P450 via Carbon Nanocage-Based Photochemical Bionanoreactor. ACS APPLIED MATERIALS & INTERFACES 2018; 10:41956-41961. [PMID: 30422622 DOI: 10.1021/acsami.8b14810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Recently, the early screening of the genotoxicity of new chemicals and drugs calls for the envelope of micro-/nanoreactors for metabolic study. Herein, a novel light-driven enzymatic bionanoreactor is designed with the gold nanoparticle (NP)-modified carbon nanocage (Au@CNC) as a nanoreactor and meso-tetrakis(4-carboxyphenyl)porphyrin (TCPP) as a photosensitizer for cytochrome P450-mediated drug metabolism. By confining the cytochrome P450 3A4 (CYP3A4) enzyme and TCPP inside the pores of Au@CNC, a high metabolic activity is achieved by using 7-ethoxytrifluoromethyl coumarin as the substrate because of the three-dimensional hierarchical porous structure, large surface area, and fast electron transfer capacity of Au@CNC. It is noted that owing to the presence of AuNPs inside CNC, the surface hydrophilicity of CNC is much improved, which further promotes the catalytic activity of the CYP3A4 enzyme. To our knowledge, this is the first attempt to apply CNC as a bionanoreactor for NADPH-free and light-driven in vitro drug metabolism. In addition, the presented bionanoreactor exhibits a variety of advantages in terms of fast response, short assay time (10 min), high sensitivity, and good selectivity, which are expected to expedite drug screening and render potential advances in drug discovery and development.
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Affiliation(s)
- Ling Jiang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing 210096 , PR China
| | - Kan Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing 210096 , PR China
| | - Fen Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing 210096 , PR China
| | - Yuanjian Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing 210096 , PR China
| | - Huaisheng Wang
- Department of Chemistry , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Songqin Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing 210096 , PR China
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9
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Xu X, Zheng Q, Bai G, Dai Q, Cao X, Yao Y, Liu S, Yao C. Polydopamine functionalized nanoporous graphene foam as nanoreactor for efficient electrode-driven metabolism of steroid hormones. Biosens Bioelectron 2018; 119:182-190. [DOI: 10.1016/j.bios.2018.08.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/21/2018] [Accepted: 08/07/2018] [Indexed: 12/20/2022]
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10
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Mo R, He L, Yan X, Su T, Zhou C, Wang Z, Hong P, Sun S, Li C. A novel aflatoxin B1 biosensor based on a porous anodized alumina membrane modified with graphene oxide and an aflatoxin B1 aptamer. Electrochem commun 2018. [DOI: 10.1016/j.elecom.2018.08.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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11
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Zhang W, Zhang L, Gao H, Yang W, Wang S, Xing L, Xue X. Self-Powered Implantable Skin-Like Glucometer for Real-Time Detection of Blood Glucose Level In Vivo. NANO-MICRO LETTERS 2018; 10:32. [PMID: 30393681 PMCID: PMC6199078 DOI: 10.1007/s40820-017-0185-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 12/16/2017] [Indexed: 05/02/2023]
Abstract
Implantable bioelectronics for analyzing physiological biomarkers has recently been recognized as a promising technique in medical treatment or diagnostics. In this study, we developed a self-powered implantable skin-like glucometer for real-time detection of blood glucose level in vivo. Based on the piezo-enzymatic-reaction coupling effect of GOx@ZnO nanowire, the device under an applied deformation can actively output piezoelectric signal containing the glucose-detecting information. No external electricity power source or battery is needed for this device, and the outputting piezoelectric voltage acts as both the biosensing signal and electricity power. A practical application of the skin-like glucometer implanted in mouse body for detecting blood glucose level has been simply demonstrated. These results provide a new technique path for diabetes prophylaxis and treatment.
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Affiliation(s)
- Wanglinhan Zhang
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China
| | - Linlin Zhang
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China
| | - Huiling Gao
- College of Life and Health Sciences, Northeastern University, Shenyang, 110004, People's Republic of China
| | - Wenyan Yang
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China
| | - Shuai Wang
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China.
| | - Lili Xing
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China
| | - Xinyu Xue
- College of Sciences, Northeastern University, Shenyang, 110004, People's Republic of China.
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12
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Dai H, Li Y, Fu Y, Li Y. Enzyme Catalysis Induced Polymer Growth in Nanochannels: A New Approach to Regulate Ion Transport and to Study Enzyme Kinetics in Nanospace. ELECTROANAL 2017. [DOI: 10.1002/elan.201700703] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Huang Dai
- College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Yuqing Li
- College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Yingchun Fu
- College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Yanbin Li
- College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
- Department of Biological and Agricultural Engineering; University of Arkansas; Fayetteville, AR 72701 USA
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13
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Shangguan L, Wei Y, Liu X, Yu J, Liu S. Confining a bi-enzyme inside the nanochannels of a porous aluminum oxide membrane for accelerating the enzymatic reactions. Chem Commun (Camb) 2017; 53:2673-2676. [DOI: 10.1039/c7cc00300e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An artificial metabolon with high conversion efficiency was constructed by confining a bi-enzyme into porous aluminum oxide nanochannels, which accelerated enzymatic reactions by minimizing the diffusion loss of intermediate species.
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Affiliation(s)
- Li Shangguan
- Key Laboratory of Environmental Medicine Engineering
- Ministry of Education
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device
- School of Chemistry and Chemical Engineering
- Southeast University
| | - Yuanqing Wei
- Key Laboratory of Environmental Medicine Engineering
- Ministry of Education
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device
- School of Chemistry and Chemical Engineering
- Southeast University
| | - Xu Liu
- Key Laboratory of Environmental Medicine Engineering
- Ministry of Education
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device
- School of Chemistry and Chemical Engineering
- Southeast University
| | - Jiachao Yu
- Key Laboratory of Environmental Medicine Engineering
- Ministry of Education
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device
- School of Chemistry and Chemical Engineering
- Southeast University
| | - Songqin Liu
- Key Laboratory of Environmental Medicine Engineering
- Ministry of Education
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device
- School of Chemistry and Chemical Engineering
- Southeast University
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14
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Karimian N, Moretto LM, Ugo P. Nanobiosensing with Arrays and Ensembles of Nanoelectrodes. SENSORS 2016; 17:s17010065. [PMID: 28042840 PMCID: PMC5298638 DOI: 10.3390/s17010065] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 12/26/2016] [Accepted: 12/27/2016] [Indexed: 01/01/2023]
Abstract
Since the first reports dating back to the mid-1990s, ensembles and arrays of nanoelectrodes (NEEs and NEAs, respectively) have gained an important role as advanced electroanalytical tools thank to their unique characteristics which include, among others, dramatically improved signal/noise ratios, enhanced mass transport and suitability for extreme miniaturization. From the year 2000 onward, these properties have been exploited to develop electrochemical biosensors in which the surfaces of NEEs/NEAs have been functionalized with biorecognition layers using immobilization modes able to take the maximum advantage from the special morphology and composite nature of their surface. This paper presents an updated overview of this field. It consists of two parts. In the first, we discuss nanofabrication methods and the principles of functioning of NEEs/NEAs, focusing, in particular, on those features which are important for the development of highly sensitive and miniaturized biosensors. In the second part, we review literature references dealing the bioanalytical and biosensing applications of sensors based on biofunctionalized arrays/ensembles of nanoelectrodes, focusing our attention on the most recent advances, published in the last five years. The goal of this review is both to furnish fundamental knowledge to researchers starting their activity in this field and provide critical information on recent achievements which can stimulate new ideas for future developments to experienced scientists.
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Affiliation(s)
- Najmeh Karimian
- Department of Molecular Sciences and Nanosystems, University Ca' Foscari of Venice, Via Torino 155-Mestre, 30172 Venice, Italy.
| | - Ligia M Moretto
- Department of Molecular Sciences and Nanosystems, University Ca' Foscari of Venice, Via Torino 155-Mestre, 30172 Venice, Italy.
| | - Paolo Ugo
- Department of Molecular Sciences and Nanosystems, University Ca' Foscari of Venice, Via Torino 155-Mestre, 30172 Venice, Italy.
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15
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Duan C, Alibakhshi MA, Kim DK, Brown CM, Craik CS, Majumdar A. Label-Free Electrical Detection of Enzymatic Reactions in Nanochannels. ACS NANO 2016; 10:7476-84. [PMID: 27472431 DOI: 10.1021/acsnano.6b02062] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
We report label-free electrical detection of enzymatic reactions using 2-D nanofluidic channels and investigate reaction kinetics of enzymatic reactions on immobilized substrates in nanoscale-confined spaces. Trypsin proteolysis is chosen for demonstration of the detection scheme. When trypsin cleaves poly-l-lysine coated on the surface of silica nanochannels, the resulting change of surface charge density can be detected by monitoring the ionic conductance of the nanochannels. Our results show that detection of such surface enzymatic reactions is faster than detection of surface binding reactions in nanochannels for low-concentration analytes. Furthermore, the nanochannel sensor has a sensitivity down to 5 ng/mL, which statistically corresponds to a single enzyme per nanochannel. Our results also suggest that enzyme kinetics in nanochannels is fundamentally different from that in bulk solutions or plain surfaces. Such enzymatic reactions form two clear self-propagating reaction fronts inside the nanochannels, and the reaction fronts follow square-root time dependences at high enzyme concentrations due to significant nonspecific adsorption. However, at low enzyme concentrations when nonspecific adsorption is negligible, the reaction fronts propagate linearly with time, and the corresponding propagation speed is related to the channel geometry, enzyme concentration, catalytic reaction constant, diffusion coefficient, and substrate surface density. Optimization of this nanochannel sensor could lead to a quick-response, highly sensitive, and label-free sensor for enzyme assay and kinetic studies.
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Affiliation(s)
- Chuanhua Duan
- Department of Mechanical Engineering, Boston University , Boston, Massachusetts 02215, United States
| | - Mohammad Amin Alibakhshi
- Department of Mechanical Engineering, Boston University , Boston, Massachusetts 02215, United States
| | - Dong-Kwon Kim
- Department of Mechanical Engineering, Ajou University , Suwon 443-749, South Korea
| | - Christopher M Brown
- Department of Pharmaceutical Chemistry, University of California , San Francisco, California 94158, United States
| | - Charles S Craik
- Department of Pharmaceutical Chemistry, University of California , San Francisco, California 94158, United States
| | - Arun Majumdar
- Department of Mechanical Engineering, Stanford University , Stanford, California 94305, United States
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16
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Küchler A, Yoshimoto M, Luginbühl S, Mavelli F, Walde P. Enzymatic reactions in confined environments. NATURE NANOTECHNOLOGY 2016; 11:409-20. [PMID: 27146955 DOI: 10.1038/nnano.2016.54] [Citation(s) in RCA: 453] [Impact Index Per Article: 56.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 03/04/2016] [Indexed: 05/17/2023]
Abstract
Within each biological cell, surface- and volume-confined enzymes control a highly complex network of chemical reactions. These reactions are efficient, timely, and spatially defined. Efforts to transfer such appealing features to in vitro systems have led to several successful examples of chemical reactions catalysed by isolated and immobilized enzymes. In most cases, these enzymes are either bound or adsorbed to an insoluble support, physically trapped in a macromolecular network, or encapsulated within compartments. Advanced applications of enzymatic cascade reactions with immobilized enzymes include enzymatic fuel cells and enzymatic nanoreactors, both for in vitro and possible in vivo applications. In this Review, we discuss some of the general principles of enzymatic reactions confined on surfaces, at interfaces, and inside small volumes. We also highlight the similarities and differences between the in vivo and in vitro cases and attempt to critically evaluate some of the necessary future steps to improve our fundamental understanding of these systems.
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Affiliation(s)
- Andreas Küchler
- Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, CH-8093 Zürich, Switzerland
| | - Makoto Yoshimoto
- Department of Applied Molecular Bioscience, Yamaguchi University, Tokiwadai 2-16-1, Ube 755-8611, Japan
| | - Sandra Luginbühl
- Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, CH-8093 Zürich, Switzerland
| | - Fabio Mavelli
- Chemistry Department, University 'Aldo Moro', Via Orabona 4, 70125 Bari, Italy
| | - Peter Walde
- Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, CH-8093 Zürich, Switzerland
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Wichert WRA, Han D, Bohn PW. Effects of molecular confinement and crowding on horseradish peroxidase kinetics using a nanofluidic gradient mixer. LAB ON A CHIP 2016; 16:877-883. [PMID: 26792298 DOI: 10.1039/c5lc01413a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The effects of molecular confinement and crowding on enzyme kinetics were studied at length scales and under conditions similar to those found in biological cells. These experiments were carried out using a nanofluidic network of channels constituting a nanofluidic gradient mixer, providing the basis for measuring multiple experimental conditions simultaneously. The 100 nm × 40 μm nanochannels were wet etched directly into borosilicate glass, then annealed and characterized with fluorescein emission prior to kinetic measurements. The nanofluidic gradient mixer was then used to measure the kinetics of the conversion of the horseradish peroxidase (HRP)-catalyzed conversion of non-fluorescent Amplex Red (AR) to the fluorescent product resorufin in the presence of hydrogen peroxide (H2O2). The design of the gradient mixer allows reaction kinetics to be studied under multiple (five) unique solution compositions in a single experiment. To characterize the efficiency of the device the effects of confinement on HRP-catalyzed AR conversion kinetics were studied by varying the starting ratio of AR : H2O2. Equimolar concentrations of Amplex Red and H2O2 yielded the highest reaction rates followed by 2 : 1, 1 : 2, 5 : 1, and finally 1 : 5 [AR] : [H2O2]. Under all conditions, initial reaction velocities were decreased by excess H2O2. Crowding effects on kinetics were studied by increasing solution viscosity in the nanochannels in the range 1.0-1.6 cP with sucrose. Increasing the solution viscosities in these confined geometries decreases the initial reaction velocity at the highest concentration from 3.79 μM min(-1) at 1.00 cP to 0.192 μM min(-1) at 1.59 cP. Variations in reaction velocity are interpreted in the context of models for HRP catalysis and for molecular crowding.
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Affiliation(s)
- William R A Wichert
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA.
| | - Donghoon Han
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Paul W Bohn
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA. and Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556, USA
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Hervás Pérez J, López-Ruiz B, López-Cabarcos E. Synthesis and characterization of microparticles based on poly-methacrylic acid with glucose oxidase for biosensor applications. Talanta 2016; 149:310-318. [DOI: 10.1016/j.talanta.2015.11.053] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 11/14/2015] [Accepted: 11/20/2015] [Indexed: 12/17/2022]
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Lu J, Shen Y, Liu S. Enhanced light-driven catalytic performance of cytochrome P450 confined in macroporous silica. Chem Commun (Camb) 2016; 52:7703-6. [DOI: 10.1039/c6cc03867k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A light-driven approach combined with a macroporous reactor for the enzymatic biocatalytic reaction has been developed by confining the enzyme/photosensitizer nanohybrids in a macroporous material, which exhibits high bio-conversion efficiency due to the fast diffusion and collision between the enzyme/photosensitizer nanohybrid and the substrate in the reactor.
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Affiliation(s)
- Jusheng Lu
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- P. R. China
| | - Yanfei Shen
- Medical School
- Southeast University
- Nanjing 210009
- P. R. China
| | - Songqin Liu
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- P. R. China
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Kudr J, Skalickova S, Nejdl L, Moulick A, Ruttkay-Nedecky B, Adam V, Kizek R. Fabrication of solid-state nanopores and its perspectives. Electrophoresis 2015; 36:2367-79. [DOI: 10.1002/elps.201400612] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 05/13/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Jiri Kudr
- Department of Chemistry and Biochemistry, Faculty of Agronomy; Mendel University in Brno; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Sylvie Skalickova
- Department of Chemistry and Biochemistry, Faculty of Agronomy; Mendel University in Brno; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Lukas Nejdl
- Department of Chemistry and Biochemistry, Faculty of Agronomy; Mendel University in Brno; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Amitava Moulick
- Department of Chemistry and Biochemistry, Faculty of Agronomy; Mendel University in Brno; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Branislav Ruttkay-Nedecky
- Department of Chemistry and Biochemistry, Faculty of Agronomy; Mendel University in Brno; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Faculty of Agronomy; Mendel University in Brno; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Rene Kizek
- Department of Chemistry and Biochemistry, Faculty of Agronomy; Mendel University in Brno; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
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Guo PL, Tang M, Hong SL, Yu X, Pang DW, Zhang ZL. Combination of dynamic magnetophoretic separation and stationary magnetic trap for highly sensitive and selective detection of Salmonella typhimurium in complex matrix. Biosens Bioelectron 2015. [PMID: 26201979 DOI: 10.1016/j.bios.2015.07.019] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Foodborne illnesses have always been a serious problem that threats public health, so it is necessary to develop a method that can detect the pathogens rapidly and sensitively. In this study, we designed a magnetic controlled microfluidic device which integrated the dynamic magnetophoretic separation and stationary magnetic trap together for sensitive and selective detection of Salmonella typhimurium (S. typhimurium). Coupled with immunomagnetic nanospheres (IMNs), this device could separate and enrich the target pathogens and realize the sensitive detection of target pathogens on chip. Based on the principle of sandwich immunoassays, the trapped target pathogens identified by streptavidin modified QDs (SA-QDs) were detected under an inverted fluorescence microscopy. A linear range was exhibited at the concentration from 1.0×10(4) to 1.0×10(6) colony-forming units/mL (CFU/mL), the limit of detection (LOD) was as low as 5.4×10(3) CFU/mL in milk (considering the sample volume, the absolute detection limit corresponded to 540C FU). Compared with the device with stationary magnetic trap alone, the integrated device enhanced anti-interference ability and increased detection sensitivity through dynamic magnetophoretic separation, and made the detection in complex samples more accurate. In addition, it had excellent specificity and good reproducibility. The developed system provides a rapid, sensitive and accurate approach to detect pathogens in practice samples.
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Affiliation(s)
- Pei-Lin Guo
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Man Tang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Shao-Li Hong
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Xu Yu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Dai-Wen Pang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Zhi-Ling Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China.
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An enzymatic glucose biosensor based on a glassy carbon electrode modified with cylinder-shaped titanium dioxide nanorods. Mikrochim Acta 2015. [DOI: 10.1007/s00604-015-1519-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Chitosan coated on the layers’ glucose oxidase immobilized on cysteamine/Au electrode for use as glucose biosensor. Biosens Bioelectron 2014; 60:271-6. [DOI: 10.1016/j.bios.2014.04.035] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 04/05/2014] [Accepted: 04/17/2014] [Indexed: 11/17/2022]
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25
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Kriel FH, Sedev R, Priest C. Capillary Filling of Nanoscale Channels and Surface Structure. Isr J Chem 2014. [DOI: 10.1002/ijch.201400086] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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