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Li L, Zhang J, Jiao Z, Zhou X, Ren L, Wang M. Seamless Integration of Rapid Separation and Ultrasensitive Detection for Complex Biological Samples Using Multistage Annular Functionalized Carbon Nanotube Arrays. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312518. [PMID: 38354403 DOI: 10.1002/adma.202312518] [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: 11/21/2023] [Revised: 02/13/2024] [Indexed: 02/16/2024]
Abstract
Efficient separation, enrichment, and detection of bacteria in diverse media are pivotal for identifying bacterial diseases and their transmission pathways. However, conventional bacterial detection methods that split the separation and detection steps are plagued by prolonged processing times. Herein, a multistage annular functionalized carbon nanotube array device designed for the seamless integration of complex biological sample separation and multimarker detection is introduced. This device resorts to the supersmooth fluidity of the liquid sample in the carbon nanotubes interstice through rotation assistance, achieving the ability to quickly separate impurities and capture biomarkers (1 mL sample cost time of 2.5 s). Fluid dynamics simulations show that the reduction of near-surface hydrodynamic resistance drives the capture of bacteria and related biomarkers on the functionalized surface of carbon nanotube in sufficient time. When further assembled as an even detection device, it exhibited fast detection (<30 min), robust linear correlation (101-107 colony-forming units [CFU] mL-1, R2 = 0.997), ultrasensitivity (limit of detection = 1.7 CFU mL-1), and multitarget detection (Staphylococcus aureus, extracellular vesicles, and enterotoxin proteins). Collectively, the material and system offer an expanded platform for real-time diagnostics, enabling integrated rapid separation and detection of various disease biomarkers.
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Affiliation(s)
- Lihuang Li
- The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen, 361005, P. R. China
| | - Jialing Zhang
- The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen, 361005, P. R. China
| | - Zhengqi Jiao
- The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen, 361005, P. R. China
| | - Xi Zhou
- The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen, 361005, P. R. China
| | - Lei Ren
- The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen, 361005, P. R. China
- State Key Lab of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen, 361005, P. R. China
| | - Miao Wang
- The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen, 361005, P. R. China
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Sang X, Xia S, Cheng L, Wu F, Tian Y, Guo C, Xu G, Yuan Y, Niu W. Deciphering the Mechanisms of Photo-Enhanced Catalytic Activities in Plasmonic Pd-Au Heteromeric Nanozymes for Colorimetric Analysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305369. [PMID: 37679094 DOI: 10.1002/smll.202305369] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/17/2023] [Indexed: 09/09/2023]
Abstract
The growing demand for highly active nanozymes in various fields has led to the development of several strategies to enhance their activity. Plasmonic enhancement, a strategy used in heterogenous catalysis, represents a promising strategy to boost the activity of nanozymes. Herein, Pd-Au heteromeric nanoparticles (Pd-Au dimers) with well-defined heterointerfaces have been explored as plasmonic nanozymes. As a model system, the Pd-Au dimers with integrated peroxidase (POD)-like activity and plasmonic activity are used to investigate the effect of plasmons on enhancing the activity of nanozymes under visible light irradiation. Mechanistic studies revealed that the generation of hot electron-hole pairs plays a dominant role in plasmonic effect, and it greatly enhances the decomposition of H2 O2 to the reactive oxygen species (ROS) intermediates (•OH, •O2 - and 1 O2 ), leading to elevated POD-like activity of the Pd-Au dimers. Finally, the Pd-Au dimers are applied in the plasmon-enhanced colorimetric method for the detection of alkaline phosphatase, exhibiting broad linear range and low detection limit. This study not only provides a straightforward approach for regulating nanozyme activity through plasmonic heterostructures but also sheds light on the mechanism of plasmon-enhanced catalysis of nanozymes.
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Affiliation(s)
- Xueqing Sang
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of chemistry and bioengineering, Guilin University of Technology, Guilin, 541006, China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
| | - Shiyu Xia
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Lu Cheng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
- Yanshan Branch of Beijing Chemical Research Institute, Sinopec, Beijing, 102500, China
| | - Fengxia Wu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
| | - Yu Tian
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
| | - Chenxi Guo
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Yali Yuan
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of chemistry and bioengineering, Guilin University of Technology, Guilin, 541006, China
| | - Wenxin Niu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
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Firoozi A, Amphawan A, Khordad R, Mohammadi A, Jalali T, Edet CO, Ali N. Effect of nanoshell geometries, sizes, and quantum emitter parameters on the sensitivity of plasmon-exciton hybrid nanoshells for sensing application. Sci Rep 2023; 13:11325. [PMID: 37443203 DOI: 10.1038/s41598-023-38475-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/09/2023] [Indexed: 07/15/2023] Open
Abstract
A proposed nanosensor based on hybrid nanoshells consisting of a core of metal nanoparticles and a coating of molecules is simulated by plasmon-exciton coupling in semi classical approach. We study the interaction of electromagnetic radiation with multilevel atoms in a way that takes into account both the spatial and the temporal dependence of the local fields. Our approach has a wide range of applications, from the description of pulse propagation in two-level media to the elaborate simulation of optoelectronic devices, including sensors. We have numerically solved the corresponding system of coupled Maxwell-Liouville equations using finite difference time domain (FDTD) method for different geometries. Plasmon-exciton hybrid nanoshells with different geometries are designed and simulated, which shows more sensitive to environment refractive index (RI) than nanosensor based on localized surface plasmon. The effects of nanoshell geometries, sizes, and quantum emitter parameters on the sensitivity of nanosensors to changes in the RI of the environment were investigated. It was found that the cone-like nanoshell with a silver core and quantum emitter shell had the highest sensitivity. The tapered shape of the cone like nanoshell leads to a higher density of plasmonic excitations at the tapered end of the nanoshell. Under specific conditions, two sharp, deep LSPR peaks were evident in the scattering data. These distinguishing features are valuable as signatures in nanosensors requiring fast, noninvasive response.
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Affiliation(s)
- A Firoozi
- Department of Physics, College of Sciences, Yasouj University, Yasouj, 75918, Iran
| | - Angela Amphawan
- Smart Photonics Research Laboratory, Sunway University, 47500, Sunway, Selangor, Malaysia.
- Future Cities Research Institute, Sunway University, 47500, Sunway, Selangor, Malaysia.
| | - R Khordad
- Department of Physics, College of Sciences, Yasouj University, Yasouj, 75918, Iran.
| | - A Mohammadi
- Department of Physics, Persian Gulf University, Bushehr, 75196, Iran
| | - T Jalali
- Department of Physics, Persian Gulf University, Bushehr, 75196, Iran
| | - C O Edet
- Institute of Engineering Mathematics, Universiti Malaysia Perlis, 02600, Arau, Perlis, Malaysia
- Faculty of Electronic Engineering Technology, Universiti Malaysia Perlis, 02600, Arau, Perlis, Malaysia
- Department of Physics, Cross River University of Technology, Calabar, Nigeria
| | - N Ali
- Department of Physics, Cross River University of Technology, Calabar, Nigeria
- Advanced Communication Engineering (ACE) Centre of Excellence, Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
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Zhao C, Li Y, Zhao J, Li H, Xu J, Gao Z, Ding C, Song YY. A "Test-to-Treat" Pad for Real-Time Visual Monitoring of Bacterial Infection and On-Site Performing Smart Therapy Strategies. ACS NANO 2023. [PMID: 37399243 DOI: 10.1021/acsnano.3c01158] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Skin infections are major threats to human health, causing ∼500 incidences per 10 000 person-year. In patients with diabetes mellitus, particularly, skin infections are often accompanied by a slow healing process, amputation, and even death. Timely diagnosis of skin infection strains and on-site therapy are vital in human health and safety. Herein, a double-layered "test-to-treat" pad is developed for the visual monitoring and selective treatment of drug-sensitive (DS)/drug-resistant (DR) bacterial infections. The inner layer (using carrageenan hydrogel as a scaffold) is loaded with bacteria indicators and an acid-responsive drug (Fe-carbenicillin frameworks) for infection detection and DS bacteria inactivation. The outer layer is a mechanoluminescence material (ML, CaZnOS:Mn2+) and visible-light responsive photocatalyst (Pt@TiO2) incorporated elastic polydimethylsiloxane (PDMS). On the basis of the colorimetric sensing result (yellow for DS-bacterial infection and red for DR-bacterial infection), a suitable antibacterial strategy is guided and then performed. Two available bactericidal routes provided by double pad layers reflect the advantage. The controllable and effective killing of DR bacteria is realized by in situ generated reactive oxygen species (ROSs) from the combination of Pt@TiO2 and ML under mechanical force, avoiding physical light sources and alleviating off-target side effects of ROS in biomedical therapy. As a proof-of-concept, the "test-to-treat" pad is applied as a wearable wound dressing for sensing and selectively dealing with DS/DR bacterial infections in vitro and in vivo. This multifunctional design effectively reduces antibiotic abuse and accelerates wound healing, providing an innovative and promising Band-Aid strategy in point-of-care diagnosis and therapy.
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Affiliation(s)
| | | | | | - Hailong Li
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang 110001, P. R. China
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Wu Y, Fang W, Hu Y, Dang J, Xin S, Li M, Li Z, Zhao H. Optimization of the tandem enzyme activity of V-MOF and its derivatives for highly sensitive nonenzymatic detection of cholesterol in living cells. J Colloid Interface Sci 2023; 649:601-615. [PMID: 37364460 DOI: 10.1016/j.jcis.2023.06.048] [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: 04/03/2023] [Revised: 05/27/2023] [Accepted: 06/09/2023] [Indexed: 06/28/2023]
Abstract
It remains a great challenge to properly design and synthesize single-component artificial tandem enzymes for specific substrates with high selectivity. Herein, V-MOF is synthesized by solvothermal method and its derivatives are constructed via pyrolyzing V-MOF in nitrogen atmosphere at different temperatures, which are denoted as V-MOF-y (y = 300, 400, 500, 700 and 800). V-MOF and V-MOF-y possess tandem enzyme-like activity, i.e. cholesterol oxidase-like and peroxidase-like activity. Among them, V-MOF-700 shows the strongest tandem enzyme activity for V-N bonds. Based on the cascade enzyme activity of V-MOF-700, the nonenzymatic detection platform for cholesterol by fluorescent assay can be established in the presence of o-phenylenediamine (OPD) for the first time. The detection mechanism is that V-MOF-700 catalyzes cholesterol to generate hydrogen peroxide and further form hydroxyl radical (•OH), which can oxidize OPD to obtain oxidized OPD (oxOPD) with yellow fluorescence. The linear detection of cholesterol ranges of 2-70 μM and 70-160 μM with a lower detection limit of 0.38 μM (S/N = 3) are obtained. This method is used to detect cholesterol in human serum successfully. Especially, it can be applied to the rough quantification of membrane cholesterol in living tumor cells, indicating that it has the potential for clinical application.
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Affiliation(s)
- Ying Wu
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Wenhui Fang
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Ye Hu
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Jiaqi Dang
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Shixian Xin
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Min Li
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Zengxi Li
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 101408, China.
| | - Hong Zhao
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China; Binzhou Institute of Technology, Binzhou 256601, China.
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Sun Y, Xu W, Jiang C, Zhou T, Wang Q, A L. Gold nanoparticle decoration potentiate the antibacterial enhancement of TiO 2 nanotubes via sonodynamic therapy against peri-implant infections. Front Bioeng Biotechnol 2022; 10:1074083. [PMID: 36466357 PMCID: PMC9713247 DOI: 10.3389/fbioe.2022.1074083] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 11/07/2022] [Indexed: 09/22/2023] Open
Abstract
Inflammatory damage from bacterial biofilms usually causes the failure of tooth implantation. A promising solution for this challenge is to use an implant surface with a long-term, in-depth and efficient antibacterial feature. In this study, we developed an ultrasound-enhanced antibacterial implant surface based on Au nanoparticle modified TiO2 nanotubes (AuNPs-TNTs). As an artificial tooth surface, films based on AuNPs-TNTs showed excellent biocompatibility. Importantly, compared to bare titania surface, a larger amount of reactive oxygen radicals was generated on AuNPs-TNTs under an ultrasound treatment. For a proof-of-concept application, Porphyromonas gingivalis (P. gingivalis) was used as the model bacteria; the as-proposed AuNPs-TNTs exhibited significantly enhanced antibacterial activity under a simple ultrasound treatment. This antibacterial film offers a new way to design the surface of an artificial implant coating for resolving the bacterial infection induced failure of dental implants.
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Affiliation(s)
- Yue Sun
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Sciences and Technology for Stomatology Nanoengineering, Changchun, China
| | - Wenzhou Xu
- Department of Periodontology, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Cong Jiang
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Tianyu Zhou
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Qiqi Wang
- Department of Periodontology, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Lan A
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Sciences and Technology for Stomatology Nanoengineering, Changchun, China
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