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Pu Y, Gu Z, Bovee TFH, Yang Y, Ying Y, Li M, Hong X. Superparamagnetic photonic crystals with DNA probes for rapid visual detection of mercury. Food Chem 2024; 459:140354. [PMID: 39003863 DOI: 10.1016/j.foodchem.2024.140354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 06/30/2024] [Accepted: 07/03/2024] [Indexed: 07/16/2024]
Abstract
A novel superparamagnetic photonic crystal DNA probe (Fe3O4@SiO2@amino@DNA SPC) was developed to enable rapid visual detection of Hg2+. This unique photonic crystal (PC) was synthesized by combining superparamagnetic nanospheres with DNA probes. The DNA probe, rich in thymine (T), detects mercury ions through base mismatch, resulting in the formation of T-Hg2+-T loop hairpin structures. With the binding of Hg2+ to the probe attached to superparamagnetic nanospheres, the PC structure assembled by these nanospheres, formed by the magnetic field, was changed. This change enhanced the reflection intensity; it could be quantified using a fiber optic spectrometer and was visible to the naked eye. The Fe3O4@SiO2@amino@DNA SPC, specific to Hg2+, exhibited a reflection peak at 679 nm, which intensified with increasing Hg2+ concentration. The reflection intensity increased by 132.58 a.u., and the PC color shifted from red to yellow as the Hg2+ concentration increased from 0.1 μg/L to 1 mg/L.
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Affiliation(s)
- Yongfu Pu
- Yunnan Normal University, College of Vocational Education, Kunming 650092, China
| | - Zhijia Gu
- Kunming Institute of Botany, Chinese Academy of Sciences, Key Laboratory for Plant Biodiversity and Biogeography of East Asia, Kunming 650201, China
| | - Toine F H Bovee
- Wageningen University & Research, Wageningen Food Safety Research (WFSR), Wageningen, 6708WB, Netherlands
| | - Ying Yang
- Yunnan Normal University, College of Vocational Education, Kunming 650092, China
| | - Yu Ying
- Yunnan Normal University, College of Vocational Education, Kunming 650092, China
| | - Maokang Li
- Yunnan Normal University, College of Vocational Education, Kunming 650092, China
| | - Xiaodi Hong
- Yunnan Normal University, College of Vocational Education, Kunming 650092, China; Max Planck Institute for Medical Research, Department of Cellular Biophysics, Heidelberg, 69120, Germany.
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2
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Mousavi SM, Hashemi SA, Yari Kalashgrani M, Omidifar N, Lai CW, Vijayakameswara Rao N, Gholami A, Chiang WH. The Pivotal Role of Quantum Dots-Based Biomarkers Integrated with Ultra-Sensitive Probes for Multiplex Detection of Human Viral Infections. Pharmaceuticals (Basel) 2022; 15:880. [PMID: 35890178 PMCID: PMC9319763 DOI: 10.3390/ph15070880] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 12/11/2022] Open
Abstract
The spread of viral diseases has caused global concern in recent years. Detecting viral infections has become challenging in medical research due to their high infectivity and mutation. A rapid and accurate detection method in biomedical and healthcare segments is essential for the effective treatment of pathogenic viruses and early detection of these viruses. Biosensors are used worldwide to detect viral infections associated with the molecular detection of biomarkers. Thus, detecting viruses based on quantum dots biomarkers is inexpensive and has great potential. To detect the ultrasensitive biomarkers of viral infections, QDs appear to be a promising option as biological probes, while physiological components have been used directly to detect multiple biomarkers simultaneously. The simultaneous measurement of numerous clinical parameters of the same sample volume is possible through multiplex detection of human viral infections, which reduces the time and cost required to record any data point. The purpose of this paper is to review recent studies on the effectiveness of the quantum dot as a detection tool for human pandemic viruses. In this review study, different types of quantum dots and their valuable properties in the structure of biomarkers were investigated. Finally, a vision for recent advances in quantum dot-based biomarkers was presented, whereby they can be integrated into super-sensitive probes for the multiplex detection of human viral infections.
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Affiliation(s)
- Seyyed Mojtaba Mousavi
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan; (S.M.M.); (N.V.R.)
| | - Seyyed Alireza Hashemi
- Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada;
| | | | - Navid Omidifar
- Department of Pathology, Shiraz University of Medical Sciences, Shiraz 71468-64685, Iran;
| | - Chin Wei Lai
- Nanotechnology and Catalysis Research Centre (NANOCAT), Level 3, Block A, Institute for Advanced Studies (IAS), Universiti Malaya (UM), Kuala Lumpur 50603, Malaysia;
| | - Neralla Vijayakameswara Rao
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan; (S.M.M.); (N.V.R.)
| | - Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz 71468-64685, Iran;
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan; (S.M.M.); (N.V.R.)
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3
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Cai Z, Li Z, Ravaine S, He M, Song Y, Yin Y, Zheng H, Teng J, Zhang A. From colloidal particles to photonic crystals: advances in self-assembly and their emerging applications. Chem Soc Rev 2021; 50:5898-5951. [PMID: 34027954 DOI: 10.1039/d0cs00706d] [Citation(s) in RCA: 140] [Impact Index Per Article: 46.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Over the last three decades, photonic crystals (PhCs) have attracted intense interests thanks to their broad potential applications in optics and photonics. Generally, these structures can be fabricated via either "top-down" lithographic or "bottom-up" self-assembly approaches. The self-assembly approaches have attracted particular attention due to their low cost, simple fabrication processes, relative convenience of scaling up, and the ease of creating complex structures with nanometer precision. The self-assembled colloidal crystals (CCs), which are good candidates for PhCs, have offered unprecedented opportunities for photonics, optics, optoelectronics, sensing, energy harvesting, environmental remediation, pigments, and many other applications. The creation of high-quality CCs and their mass fabrication over large areas are the critical limiting factors for real-world applications. This paper reviews the state-of-the-art techniques in the self-assembly of colloidal particles for the fabrication of large-area high-quality CCs and CCs with unique symmetries. The first part of this review summarizes the types of defects commonly encountered in the fabrication process and their effects on the optical properties of the resultant CCs. Next, the mechanisms of the formation of cracks/defects are discussed, and a range of versatile fabrication methods to create large-area crack/defect-free two-dimensional and three-dimensional CCs are described. Meanwhile, we also shed light on both the advantages and limitations of these advanced approaches developed to fabricate high-quality CCs. The self-assembly routes and achievements in the fabrication of CCs with the ability to open a complete photonic bandgap, such as cubic diamond and pyrochlore structure CCs, are discussed as well. Then emerging applications of large-area high-quality CCs and unique photonic structures enabled by the advanced self-assembly methods are illustrated. At the end of this review, we outlook the future approaches in the fabrication of perfect CCs and highlight their novel real-world applications.
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Affiliation(s)
- Zhongyu Cai
- Research Institute for Frontier Science, Beijing Advanced Innovation Center for Biomedical Engineering, School of Space and Environment, Beihang University, Beijing 100191, China. and Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117576, Singapore and Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Zhiwei Li
- Department of Chemistry, University of California, Riverside, CA 92521, USA
| | - Serge Ravaine
- CNRS, Univ. Bordeaux, CRPP, UMR 5031, F-33600 Pessac, France
| | - Mingxin He
- Department of Physics, Center for Soft Matter Research, New York University, New York, NY 10003, USA
| | - Yanlin Song
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yadong Yin
- Department of Chemistry, University of California, Riverside, CA 92521, USA
| | - Hanbin Zheng
- CNRS, Univ. Bordeaux, CRPP, UMR 5031, F-33600 Pessac, France
| | - Jinghua Teng
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634, Singapore.
| | - Ao Zhang
- Research Institute for Frontier Science, Beijing Advanced Innovation Center for Biomedical Engineering, School of Space and Environment, Beihang University, Beijing 100191, China.
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Chandrasekaran AR, MacIsaac M, Vilcapoma J, Hansen CH, Yang D, Wong WP, Halvorsen K. DNA Nanoswitch Barcodes for Multiplexed Biomarker Profiling. NANO LETTERS 2021; 21:469-475. [PMID: 33395311 PMCID: PMC8059342 DOI: 10.1021/acs.nanolett.0c03929] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Molecular biomarkers play a key role in the clinic, aiding in diagnostics and prognostics, and in the research laboratory, contributing to our basic understanding of diseases. Detecting multiple and diverse molecular biomarkers within a single accessible assay would have great utility, providing a more comprehensive picture for clinical evaluation and research, but is a challenge with standard methods. Here, we report programmable DNA nanoswitches for multiplexed detection of up to 6 biomarkers at once with each combination of biomarkers producing a unique barcode signature among 64 possibilities. As a defining feature of our method, we show "mixed multiplexing" for simultaneous barcoded detection of different types of biomolecules, for example, DNA, RNA, antibody, and protein in a single assay. To demonstrate clinical potential, we show multiplexed detection of a prostate cancer biomarker panel in serum that includes two microRNA sequences and prostate specific antigen.
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Affiliation(s)
- Arun Richard Chandrasekaran
- The RNA Institute, University at Albany, State University of New York, New York, New York 12222, United States
| | - Molly MacIsaac
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, Massachusetts 02115, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Javier Vilcapoma
- The RNA Institute, University at Albany, State University of New York, New York, New York 12222, United States
| | - Clinton H Hansen
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, Massachusetts 02115, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Darren Yang
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, Massachusetts 02115, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Wesley P Wong
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, Massachusetts 02115, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Ken Halvorsen
- The RNA Institute, University at Albany, State University of New York, New York, New York 12222, United States
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Systematic Degradation Rate Analysis of Surface-Functionalized Porous Silicon Nanoparticles. MATERIALS 2019; 12:ma12040580. [PMID: 30769924 PMCID: PMC6416615 DOI: 10.3390/ma12040580] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/12/2019] [Accepted: 02/14/2019] [Indexed: 01/19/2023]
Abstract
Porous silicon nanoparticles (pSiNPs) have been utilized within a wide spectrum of biological studies, as well as in chemistry, chemical biology, and biomedical fields. Recently, pSiNPs have been constantly coming under the spotlight, mostly in biomedical applications, due to their advantages, such as controlled-release drug delivery in vivo by hydrolysis-induced degradation, self-reporting property through long life-time photoluminescence, high loading efficiency of substrate into pore, and the homing to specific cells/organ/bacteria by surface functionalization. However, the systematic degradation rate analysis of surface-functionalized pSiNPs in different biological media has not been conducted yet. In this paper, we prepared four different surface-functionalized pSiNPs samples and analyzed the degradation rate in six different media (DI H2O (deionized water), PBS (phosphate-buffered saline), HS (human serum), DMEM (Dulbecco’s modified Eagle’s medium), LB (lysogeny broth), and BHI (brain heart infusion)). The obtained results will now contribute to understanding the correlation between surface functionalization in the pSiNPs and the degradation rate in different biological media. The characterized data with the author’s suggestions will provide useful insights in designing the new pSiNPs formulation for biomedical applications.
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Arshavsky-Graham S, Massad-Ivanir N, Segal E, Weiss S. Porous Silicon-Based Photonic Biosensors: Current Status and Emerging Applications. Anal Chem 2018; 91:441-467. [DOI: 10.1021/acs.analchem.8b05028] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sofia Arshavsky-Graham
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa 3200003, Israel
- Institute of Technical Chemistry, Leibniz Universität Hannover, Callinstrasse 5, 30167 Hanover, Germany
| | - Naama Massad-Ivanir
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa 3200003, Israel
| | - Ester Segal
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa 3200003, Israel
- The Russell Berrie Nanotechnology Institute, Technion − Israel Institute of Technology, Haifa 3200003, Israel
| | - Sharon Weiss
- Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, Tennessee 37235, United States
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Wang Y, Yuan W, Kimber M, Lu M, Dong L. Rapid Differentiation of Host and Parasitic Exosome Vesicles Using Microfluidic Photonic Crystal Biosensor. ACS Sens 2018; 3:1616-1621. [PMID: 30160476 DOI: 10.1021/acssensors.8b00360] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Parasite extracellular vesicles (EVs) are potential biomarkers that could be exploited for the diagnosis of infectious disease. This paper reports a rapid bioassay to discriminate parasite and host EVs. The EV detection assay utilizes a label-free photonic crystal (PC) biosensor to detect the EVs using a host-specific transmembrane protein (CD63), which is present on EV secreted by host cells (modeled by murine macrophage cell line J774A.1) but is not expressed on EV secreted by parasitic nematodes such as the gastrointestinal nematode Ascaris suum. The surface of PC is functionalized to recognize CD63, and is sensitive to the changes in refractive index caused by the immobilization of EVs. The biosensor demonstrates a detection limit of 2.18 × 109 EVs/mL and a capability to characterize the affinity constants of antibody-host EV bindings. The discrimination of murine host EVs from parasite EVs indicates the capability of the sensor to differentiate EVs from different origins. The label-free, rapid EV assay could be used to detection parasite infection and facilitate the exosome-based clinic diagnosis and exosome research.
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8
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Hou J, Li M, Song Y. Patterned Colloidal Photonic Crystals. Angew Chem Int Ed Engl 2017; 57:2544-2553. [PMID: 28891204 DOI: 10.1002/anie.201704752] [Citation(s) in RCA: 216] [Impact Index Per Article: 30.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 08/11/2017] [Indexed: 11/07/2022]
Abstract
Colloidal photonic crystals (PCs) have been well developed because they are easy to prepare, cost-effective, and versatile with regards to modification and functionalization. Patterned colloidal PCs contribute a novel approach to constructing high-performance PC devices with unique structures and specific functions. In this review, an overview of the strategies for fabricating patterned colloidal PCs, including patterned substrate-induced assembly, inkjet printing, and selective immobilization and modification, is presented. The advantages of patterned PC devices are also discussed in detail, for example, improved detection sensitivity and response speed of the sensors, control over the flow direction and wicking rate of microfluidic channels, recognition of cross-reactive molecules through an array-patterned microchip, fabrication of display devices with tunable patterns, well-arranged RGB units, and wide viewing-angles, and the ability to construct anti-counterfeiting devices with different security strategies. Finally, the perspective of future developments and challenges is presented.
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Affiliation(s)
- Jue Hou
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
| | - Mingzhu Li
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
| | - Yanlin Song
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
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9
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Affiliation(s)
- Jue Hou
- Key Laboratory of Green Printing, Institute of Chemistry; Chinese Academy of Sciences, ICCAS, Beijing Engineering, Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS); Beijing 100190 Volksrepublik China
| | - Mingzhu Li
- Key Laboratory of Green Printing, Institute of Chemistry; Chinese Academy of Sciences, ICCAS, Beijing Engineering, Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS); Beijing 100190 Volksrepublik China
| | - Yanlin Song
- Key Laboratory of Green Printing, Institute of Chemistry; Chinese Academy of Sciences, ICCAS, Beijing Engineering, Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS); Beijing 100190 Volksrepublik China
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10
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Lee JY, Won BY, Park HG. Label-Free Multiplex DNA Detection Utilizing Projected Capacitive Touchscreen. Biotechnol J 2017; 13. [DOI: 10.1002/biot.201700362] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Revised: 10/08/2017] [Indexed: 01/12/2023]
Affiliation(s)
- Joon Young Lee
- Department of Chemical and Biomolecular Engineering (BK21+ Program); Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 305-701 Republic of Korea
| | - Byoung Yeon Won
- Department of Chemical and Biomolecular Engineering (BK21+ Program); Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 305-701 Republic of Korea
| | - Hyun Gyu Park
- Department of Chemical and Biomolecular Engineering (BK21+ Program); Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 305-701 Republic of Korea
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11
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Aki S, Sueyoshi K, Hisamoto H, Endo T. Origin of the Optical Response of a Dye-doped Plasticized Poly(vinyl chloride)-based Photonic Crystal Ion Sensor. ANAL SCI 2017; 33:1247-1251. [PMID: 29129863 DOI: 10.2116/analsci.33.1247] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We investigated the origin of the optical responses of a two-dimensional photonic crystal (2D-PhC) optode membrane ion sensor based on plasticized poly(vinyl chloride) (PVC) containing lipophilic dye. We previously developed a highly sensitive potassium ion sensor. However, the contributions of various factors to the sensor's optical response could not be distinguished. Here, we synthesized a lipophilic dye with spectral changes that do not overlap with those of propagated light in the PhC. Using this synthesized dye excluded the contribution of light absorption by the dye to the peak intensity change of the ion sensor. In refractive index standard solutions, the bulk refractive index change upon ion extraction contributed negligibly. The contribution of diffracted light scattering by optical transparency change of the plasticized PVC upon ion extraction accounted for approximately 45% of the ion sensor's total response. These findings are important for the development of highly sensitive plasticized PVC-based 2D-PhC ion sensors.
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Affiliation(s)
- Shoma Aki
- Department of Applied Chemistry, Osaka Prefecture University
| | - Kenji Sueyoshi
- Department of Applied Chemistry, Osaka Prefecture University
| | | | - Tatsuro Endo
- Department of Applied Chemistry, Osaka Prefecture University.,PRESTO, Japan Science and Technology Agency
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12
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Medina DX, Householder KT, Ceton R, Kovalik T, Heffernan JM, Shankar RV, Bowser RP, Wechsler-Reya RJ, Sirianni RW. Optical barcoding of PLGA for multispectral analysis of nanoparticle fate in vivo. J Control Release 2017; 253:172-182. [PMID: 28263836 DOI: 10.1016/j.jconrel.2017.02.033] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 02/08/2017] [Accepted: 02/27/2017] [Indexed: 12/31/2022]
Abstract
Understanding of the mechanisms by which systemically administered nanoparticles achieve delivery across biological barriers remains incomplete, due in part to the challenge of tracking nanoparticle fate in the body. Here, we develop a new approach for "barcoding" nanoparticles composed of poly(lactic-co-glycolic acid) (PLGA) with bright, spectrally defined quantum dots (QDs) to enable direct, fluorescent detection of nanoparticle fate with subcellular resolution. We show that QD labeling does not affect major biophysical properties of nanoparticles or their interaction with cells and tissues. Live cell imaging enabled simultaneous visualization of the interaction of control and targeted nanoparticles with bEnd.3 cells in a flow chamber, providing direct evidence that surface modification of nanoparticles with the cell-penetrating peptide TAT increases their biophysical association with cell surfaces over very short time periods under convective current. We next developed this technique for quantitative biodistribution analysis in vivo. These studies demonstrate that nanoparticle surface modification with the cell penetrating peptide TAT facilitates brain-specific delivery that is restricted to brain vasculature. Although nanoparticle entry into the healthy brain parenchyma is minimal, with no evidence for movement of nanoparticles across the blood-brain barrier (BBB), we observed that nanoparticles are able to enter to the central nervous system (CNS) through regions of altered BBB permeability - for example, into circumventricular organs in the brain or leaky vasculature of late-stage intracranial tumors. In sum, these data demonstrate a new, multispectral approach for barcoding PLGA, which enables simultaneous, quantitative analysis of the fate of multiple nanoparticle formulations in vivo.
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Affiliation(s)
- David X Medina
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 W Thomas Road, Phoenix, AZ 85013, USA
| | - Kyle T Householder
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 W Thomas Road, Phoenix, AZ 85013, USA; School of Biological and Health Systems Engineering, Arizona State University, P.O. Box 879709, Tempe, AZ 85287, USA
| | - Ricki Ceton
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 W Thomas Road, Phoenix, AZ 85013, USA; School of Biological and Health Systems Engineering, Arizona State University, P.O. Box 879709, Tempe, AZ 85287, USA
| | - Tina Kovalik
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 W Thomas Road, Phoenix, AZ 85013, USA
| | - John M Heffernan
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 W Thomas Road, Phoenix, AZ 85013, USA; School of Biological and Health Systems Engineering, Arizona State University, P.O. Box 879709, Tempe, AZ 85287, USA
| | - Rohini V Shankar
- School of Biological and Health Systems Engineering, Arizona State University, P.O. Box 879709, Tempe, AZ 85287, USA
| | - Robert P Bowser
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 W Thomas Road, Phoenix, AZ 85013, USA
| | - Robert J Wechsler-Reya
- Sanford Burnham Prebys Medical Discovery Institute, 2880 Torrey Pines Scenic Drive, La Jolla, CA 92037, USA
| | - Rachael W Sirianni
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 W Thomas Road, Phoenix, AZ 85013, USA; School of Biological and Health Systems Engineering, Arizona State University, P.O. Box 879709, Tempe, AZ 85287, USA.
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Inan H, Poyraz M, Inci F, Lifson MA, Baday M, Cunningham BT, Demirci U. Photonic crystals: emerging biosensors and their promise for point-of-care applications. Chem Soc Rev 2017; 46:366-388. [PMID: 27841420 PMCID: PMC5529146 DOI: 10.1039/c6cs00206d] [Citation(s) in RCA: 169] [Impact Index Per Article: 24.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Biosensors are extensively employed for diagnosing a broad array of diseases and disorders in clinical settings worldwide. The implementation of biosensors at the point-of-care (POC), such as at primary clinics or the bedside, faces impediments because they may require highly trained personnel, have long assay times, large sizes, and high instrumental cost. Thus, there exists a need to develop inexpensive, reliable, user-friendly, and compact biosensing systems at the POC. Biosensors incorporated with photonic crystal (PC) structures hold promise to address many of the aforementioned challenges facing the development of new POC diagnostics. Currently, PC-based biosensors have been employed for detecting a variety of biotargets, such as cells, pathogens, proteins, antibodies, and nucleic acids, with high efficiency and selectivity. In this review, we provide a broad overview of PCs by explaining their structures, fabrication techniques, and sensing principles. Furthermore, we discuss recent applications of PC-based biosensors incorporated with emerging technologies, including telemedicine, flexible and wearable sensing, smart materials and metamaterials. Finally, we discuss current challenges associated with existing biosensors, and provide an outlook for PC-based biosensors and their promise at the POC.
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Affiliation(s)
- Hakan Inan
- Demirci Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Department of Radiology, Canary Center at Stanford for Cancer Early Detection, 3155 Porter Drive, Palo Alto, CA 94304, USA.
| | - Muhammet Poyraz
- Demirci Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Department of Radiology, Canary Center at Stanford for Cancer Early Detection, 3155 Porter Drive, Palo Alto, CA 94304, USA. and Department of Electrical Engineering, Stanford University, Stanford, CA, USA
| | - Fatih Inci
- Demirci Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Department of Radiology, Canary Center at Stanford for Cancer Early Detection, 3155 Porter Drive, Palo Alto, CA 94304, USA.
| | - Mark A Lifson
- Demirci Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Department of Radiology, Canary Center at Stanford for Cancer Early Detection, 3155 Porter Drive, Palo Alto, CA 94304, USA.
| | - Murat Baday
- Demirci Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Department of Radiology, Canary Center at Stanford for Cancer Early Detection, 3155 Porter Drive, Palo Alto, CA 94304, USA.
| | - Brian T Cunningham
- Department of Electrical and Computer Engineering, Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
| | - Utkan Demirci
- Demirci Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Department of Radiology, Canary Center at Stanford for Cancer Early Detection, 3155 Porter Drive, Palo Alto, CA 94304, USA. and Department of Electrical Engineering (by courtesy), Stanford University, Stanford, CA, USA
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14
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Xu W, Chen C, Ma X, Yuan L, Liu S, Zheng K, Li J. Digitally encoded silica microparticles for multiplexed nucleic acid detection. Chem Commun (Camb) 2017; 53:5866-5869. [DOI: 10.1039/c7cc01974b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By integrating a digitally encoded suspension array with a novel multiplex nested asymmetric PCR, an efficient strategy was developed for HPV genotyping.
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Affiliation(s)
- Weiwei Xu
- Key Laboratory for Nano-Bio Interface Research, Nano-Bio-Chem Centre
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
| | - Chao Chen
- Key Laboratory for Nano-Bio Interface Research, Nano-Bio-Chem Centre
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
| | - Xiaodong Ma
- Key Laboratory for Nano-Bio Interface Research, Nano-Bio-Chem Centre
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
| | - Lihua Yuan
- Key Laboratory for Nano-Bio Interface Research, Nano-Bio-Chem Centre
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
| | - Shenquan Liu
- Key Laboratory for Nano-Bio Interface Research, Nano-Bio-Chem Centre
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
| | - Kexiao Zheng
- Key Laboratory for Nano-Bio Interface Research, Nano-Bio-Chem Centre
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
| | - Jiong Li
- Key Laboratory for Nano-Bio Interface Research, Nano-Bio-Chem Centre
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
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15
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QCM-based rupture force measurement as a tool to study DNA dehybridization and duplex stability. Anal Bioanal Chem 2016; 409:891-901. [DOI: 10.1007/s00216-016-0035-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 10/11/2016] [Accepted: 10/14/2016] [Indexed: 11/25/2022]
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16
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Zhao J, Zhang K, Li Y, Ji J, Liu B. High-Resolution and Universal Visualization of Latent Fingerprints Based on Aptamer-Functionalized Core-Shell Nanoparticles with Embedded SERS Reporters. ACS APPLIED MATERIALS & INTERFACES 2016; 8:14389-95. [PMID: 27236904 DOI: 10.1021/acsami.6b03352] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Although fingerprints have been widely used in forensic investigations, low resolution and poor universality are still the main obstacles for the development of fingerprint visualization. In this paper, a facile and universal imaging protocol for latent fingerprints (LFPs) was developed by combining sandwiched SERS probes with the highly sensitive and selective recognition of aptamers. The embedded SERS probes (Au/pNTP/SiO2) successfully avoid the environment interference, ascertaining the stability and reproducibility of Raman signals, and simultaneously improve the efficiency of the fingerprint identification. This approach is operationally simple without complicated pre- or post-treatments. Moreover, the fingerprint images display the high resolution in which third-level details can be clearly identified. This is a general approach and can be used to detect various types of fingerprints, including sebaceous, eccrine, fresh LFPs, and aged LFPs on different substrates (such as smooth, scratching, semiporous, and porous surfaces).
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Affiliation(s)
- Jingjing Zhao
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Kun Zhang
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Yixin Li
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Ji Ji
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Baohong Liu
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
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17
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Santos A, Law CS, Pereira T, Losic D. Nanoporous hard data: optical encoding of information within nanoporous anodic alumina photonic crystals. NANOSCALE 2016; 8:8091-8100. [PMID: 27020686 DOI: 10.1039/c6nr01068g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Herein, we present a method for storing binary data within the spectral signature of nanoporous anodic alumina photonic crystals. A rationally designed multi-sinusoidal anodisation approach makes it possible to engineer the photonic stop band of nanoporous anodic alumina with precision. As a result, the transmission spectrum of these photonic nanostructures can be engineered to feature well-resolved and selectively positioned characteristic peaks across the UV-visible spectrum. Using this property, we implement an 8-bit binary code and assess the versatility and capability of this system by a series of experiments aiming to encode different information within the nanoporous anodic alumina photonic crystals. The obtained results reveal that the proposed nanosized platform is robust, chemically stable, versatile and has a set of unique properties for data storage, opening new opportunities for developing advanced nanophotonic tools for a wide range of applications, including sensing, photonic tagging, self-reporting drug releasing systems and secure encoding of information.
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Affiliation(s)
- Abel Santos
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia.
| | - Cheryl Suwen Law
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia.
| | - Taj Pereira
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia.
| | - Dusan Losic
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia.
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18
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Leng Y, Sun K, Chen X, Li W. Suspension arrays based on nanoparticle-encoded microspheres for high-throughput multiplexed detection. Chem Soc Rev 2015; 44:5552-95. [PMID: 26021602 PMCID: PMC5223091 DOI: 10.1039/c4cs00382a] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Spectrometrically or optically encoded microsphere based suspension array technology (SAT) is applicable to the high-throughput, simultaneous detection of multiple analytes within a small, single sample volume. Thanks to the rapid development of nanotechnology, tremendous progress has been made in the multiplexed detecting capability, sensitivity, and photostability of suspension arrays. In this review, we first focus on the current stock of nanoparticle-based barcodes as well as the manufacturing technologies required for their production. We then move on to discuss all existing barcode-based bioanalysis patterns, including the various labels used in suspension arrays, label-free platforms, signal amplification methods, and fluorescence resonance energy transfer (FRET)-based platforms. We then introduce automatic platforms for suspension arrays that use superparamagnetic nanoparticle-based microspheres. Finally, we summarize the current challenges and their proposed solutions, which are centered on improving encoding capacities, alternative probe possibilities, nonspecificity suppression, directional immobilization, and "point of care" platforms. Throughout this review, we aim to provide a comprehensive guide for the design of suspension arrays, with the goal of improving their performance in areas such as multiplexing capacity, throughput, sensitivity, and cost effectiveness. We hope that our summary on the state-of-the-art development of these arrays, our commentary on future challenges, and some proposed avenues for further advances will help drive the development of suspension array technology and its related fields.
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Affiliation(s)
- Yuankui Leng
- The State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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19
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Chen Y, Santos A, Wang Y, Kumeria T, Ho D, Li J, Wang C, Losic D. Rational Design of Photonic Dust from Nanoporous Anodic Alumina Films: A Versatile Photonic Nanotool for Visual Sensing. Sci Rep 2015; 5:12893. [PMID: 26245759 PMCID: PMC4526863 DOI: 10.1038/srep12893] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 07/14/2015] [Indexed: 01/26/2023] Open
Abstract
Herein, we present a systematic study on the development, optimisation and applicability of interferometrically coloured distributed Bragg reflectors based on nanoporous anodic alumina (NAA-DBRs) in the form of films and nanoporous microparticles as visual/colorimetric analytical tools. Firstly, we synthesise a complete palette of NAA-DBRs by galvanostatic pulse anodisation approach, in which the current density is altered in a periodic fashion in order to engineer the effective medium of the resulting photonic films in depth. NAA-DBR photonic films feature vivid colours that can be tuned across the UV-visible-NIR spectrum by structural engineering. Secondly, the effective medium of the resulting photonic films is assessed systematically by visual analysis and reflectometric interference spectroscopy (RIfS) in order to establish the most optimal nanoporous platforms to develop visual/colorimetric tools. Then, we demonstrate the applicability of NAA-DBR photonic films as a chemically selective sensing platform for visual detection of mercury(II) ions. Finally, we generate a new nanomaterial, so-called photonic dust, by breaking down NAA-DBRs films into nanoporous microparticles. The resulting microparticles (μP-NAA-DBRs) display vivid colours and are sensitive towards changes in their effective medium, opening new opportunities for developing advanced photonic nanotools for a broad range of applications.
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Affiliation(s)
- Yuting Chen
- 1] School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia [2] College of Food Science and Technology, Nanjing Agricultural University, 210095 Nanjing, P. R. China [3] Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Abel Santos
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia
| | - Ye Wang
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia
| | - Tushar Kumeria
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia
| | - Daena Ho
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia
| | - Junsheng Li
- College of Food Science and Technology, Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Changhai Wang
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, 210095 Nanjing, P. R. China
| | - Dusan Losic
- School of Chemical Engineering, The University of Adelaide, Engineering North Building, 5005 Adelaide, Australia
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20
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Wu CC, Hu Y, Miller M, Aroian RV, Sailor MJ. Protection and Delivery of Anthelmintic Protein Cry5B to Nematodes Using Mesoporous Silicon Particles. ACS NANO 2015; 9:6158-67. [PMID: 25950754 PMCID: PMC5704939 DOI: 10.1021/acsnano.5b01426] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The ability of nano- and microparticles of partially oxidized mesoporous silicon (pSi) to sequester, protect, and deliver the anthelmintic pore-forming protein Cry5B to nematodes is assessed in vitro and in vivo. Thermally oxidized pSi particles are stable under gastric conditions and show relatively low toxicity to nematodes. Fluorescence images of rhodamine-labeled pSi particles within the nematodes Caenorhabditis elegans and Ancylostoma ceylanicum show that ingestion is dependent on particle size: particles of a 0.4 ± 0.2 μm size are noticeably ingested by both species within 2 h of introduction in vitro, whereas 5 ± 2 μm particles are excluded from C. elegans but enter the pharynx region of A. ceylanicum after 24 h. The anthelmintic protein Cry5B, a pore-forming crystal (Cry) protein derived from Bacillus thuringiensis, is incorporated into the pSi particles by aqueous infiltration. Feeding of Cry5B-loaded pSi particles to C. elegans leads to significant intoxication of the nematode. Protein-loaded particles of size 0.4 μm display the highest level of in vitro toxicity toward C. elegans on a drug-mass basis. The porous nanostructure protects Cry5B from hydrolytic and enzymatic (pepsin) degradation in simulated gastric fluid (pH 1.2) for time periods up to 2 h. In vivo experiments with hookworm-infected hamsters show no significant reduction in worm burden with the Cry5B-loaded particles, which is attributed to slow release of the protein from the particles and/or short residence time of the particles in the duodenum of the animal.
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Affiliation(s)
- Chia-Chen Wu
- Materials Science and Engineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Yan Hu
- Section of Cell and Development Biology, University of California, San Diego, La Jolla, California 92093, United States
| | - Melanie Miller
- Section of Cell and Development Biology, University of California, San Diego, La Jolla, California 92093, United States
| | - Raffi V. Aroian
- Section of Cell and Development Biology, University of California, San Diego, La Jolla, California 92093, United States
| | - Michael J. Sailor
- Materials Science and Engineering, University of California, San Diego, La Jolla, California 92093, United States
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
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21
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Ariza-Flores AD, Mukherjee A, Antunez E, Agarwal V. Spectral barcodes by superposition of quasiperiodic refractive index profiles. OPTICS EXPRESS 2015; 23:8272-8280. [PMID: 25968665 DOI: 10.1364/oe.23.008272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Averaging and shifting the refractive index profiles of quasiperiodic structure reveals the formation of several localized modes in the reflectivity spectrum and were used to generate different spectral barcodes. By associating the depth and wavelength of the observed resonant modes to the thickness and position of blackbars, respectively, the possibility to generate multiple codes has been shown. An experimental verification was carried out with multilayered dielectric porous silicon structures with reflectivity spectra revealing unique photonic fingerprints.
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22
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Zhao Y, Cheng Y, Shang L, Wang J, Xie Z, Gu Z. Microfluidic synthesis of barcode particles for multiplex assays. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 11:151-174. [PMID: 25331055 DOI: 10.1002/smll.201401600] [Citation(s) in RCA: 136] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 08/20/2014] [Indexed: 06/04/2023]
Abstract
The increasing use of high-throughput assays in biomedical applications, including drug discovery and clinical diagnostics, demands effective strategies for multiplexing. One promising strategy is the use of barcode particles that encode information about their specific compositions and enable simple identification. Various encoding mechanisms, including spectroscopic, graphical, electronic, and physical encoding, have been proposed for the provision of sufficient identification codes for the barcode particles. These particles are synthesized in various ways. Microfluidics is an effective approach that has created exciting avenues of scientific research in barcode particle synthesis. The resultant particles have found important application in the detection of multiple biological species as they have properties of high flexibility, fast reaction times, less reagent consumption, and good repeatability. In this paper, research progress in the microfluidic synthesis of barcode particles for multiplex assays is discussed. After introducing the general developing strategies of the barcode particles, the focus is on studies of microfluidics, including their design, fabrication, and application in the generation of barcode particles. Applications of the achieved barcode particles in multiplex assays will be described and emphasized. The prospects for future development of these barcode particles are also presented.
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Affiliation(s)
- Yuanjin Zhao
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China; Laboratory of Environment and Biosafety Research, Institute of Southeast University in Suzhou, Suzhou, 215123, China
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23
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Aki S, Endo T, Sueyoshi K, Hisamoto H. Plasticized poly(vinyl chloride)-based photonic crystal for ion sensing. Anal Chem 2014; 86:11986-91. [PMID: 25397688 DOI: 10.1021/ac503447m] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this study, we, for the first time, developed a plasticized poly(vinyl chloride) (PVC)-based two-dimensional photonic crystal (2D-PhC) optical sensor using nanoimprint lithography (NIL), which can perform highly sensitive, fast, and selective ion sensing based on ion extraction. Concerning the principle of response, present plasticized PVC-based PhC works as a waveguide and a grating. Incident light was guided in the bulk of plasticized PVC and, then, guided light of a specific wavelength was diffracted by a periodic nanostructure. The guided and diffracted light intensity changes of PVC-based PhCs possessing various thicknesses were monitored at 580 nm; then, we found that the 0.35 μm-thick PhC film exhibited the highest diffraction intensity. For the ion-sensing application, potassium-selective sensing elements involving potassium ionophore and lipophilic dye were dissolved in a plasticized PVC-based PhC, and the K(+)-selective response was successfully observed by monitoring the diffracted peak intensity change. The present 2D-PhC optical sensor exhibited a fast response within 5 s (95% response time) due to the use of thin film, and sensitivity was 20 times higher than that of a PVC plane-film optical sensor, due to efficient collection of diffracted light by employing a periodic nanostructure of the photonic crystal.
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Affiliation(s)
- Shoma Aki
- Department of Applied Chemistry, Osaka Prefecture University , 1-1 Gakuencho, Naka-ku, Sakai, Osaka 599-8531, Japan
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24
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Harashima T, Yasuda M, Akimoto T. Enhanced Fluorescence Using an Optical Interference Mirror Overlaid with Silver Island Film. ANAL LETT 2014. [DOI: 10.1080/00032719.2014.919507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Nanostructural Engineering of Nanoporous Anodic Alumina for Biosensing Applications. MATERIALS 2014; 7:5225-5253. [PMID: 28788127 PMCID: PMC5455819 DOI: 10.3390/ma7075225] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 07/01/2014] [Accepted: 07/10/2014] [Indexed: 12/27/2022]
Abstract
Modifying the diameter of the pores in nanoporous anodic alumina opens new possibilities in the application of this material. In this work, we review the different nanoengineering methods by classifying them into two kinds: in situ and ex situ. Ex situ methods imply the interruption of the anodization process and the addition of intermediate steps, while in situ methods aim at realizing the in-depth pore modulation by continuous changes in the anodization conditions. Ex situ methods permit a greater versatility in the pore geometry, while in situ methods are simpler and adequate for repeated cycles. As an example of ex situ methods, we analyze the effect of changing drastically one of the anodization parameters (anodization voltage, electrolyte composition or concentration). We also introduce in situ methods to obtain distributed Bragg reflectors or rugate filters in nanoporous anodic alumina with cyclic anodization voltage or current. This nanopore engineering permits us to propose new applications in the field of biosensing: using the unique reflectance or photoluminescence properties of the material to obtain photonic barcodes, applying a gold-coated double-layer nanoporous alumina to design a self-referencing protein sensor or giving a proof-of-concept of the refractive index sensing capabilities of nanoporous rugate filters.
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26
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Dultsev FN, Kolosovsky EA, Mik IA, Lomzov AA, Pyshnyi DV. QCM-based measurement of bond rupture forces in DNA double helices for complementarity sensing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:3795-3801. [PMID: 24635388 DOI: 10.1021/la402971a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
After fixing the DNA molecule in the form of a double helix on the surface of a thickness shear mode resonator (QCM), mechanical oscillations at increasing amplitude cause detorsion of the helix. The force necessary for detorsion can be determined from the voltage applied to the QCM at the rupture moment. The high sensitivity of this method is due to the fact that measurements are carried out in the frequency region around the QCM resonance, where any (even very weak) distortions of the consistent oscillating system cause noticeable distortions of the amplitude-frequency dependence, and these distortions are used to fix the rupture moment. The measured rupture forces were within 30-40 pN, and the sensitivity was 10(8) molecules. It was demonstrated that the proposed procedure allows one to determine the factors that affect the stability of the DNA double helix. This procedure can be the basis for the development of a new method of rapid DNA analysis. Experiments performed with model DNA showed that it is possible to reveal complementarity between two DNA samples.
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Affiliation(s)
- Fedor N Dultsev
- Institute of Semiconductor Physics, ‡Institute of Chemical Biology and Fundamental Medicine, SB RAS , Novosibirsk, 630090 Russia
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27
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Zhu Y, Soeriyadi AH, Parker SG, Reece PJ, Gooding JJ. Chemical patterning on preformed porous silicon photonic crystals: towards multiplex detection of protease activity at precise positions†Electronic supplementary information (ESI) available: SEM images, XPS result and more optical reflectivity data. See DOI: 10.1039/c4tb00281dClick here for additional data file. J Mater Chem B 2014; 2:3582-3588. [PMID: 24910774 PMCID: PMC4047838 DOI: 10.1039/c4tb00281d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 03/30/2014] [Indexed: 11/21/2022]
Abstract
Porous silicon rugate filters were chemically patterned with biomolecules and used for multiplex detection of protease activity at precise positions.
Porous silicon (PSi) rugate filters modified with alkyne-terminated monolayers were chemically patterned using a combination of photolithography of photoresist and click chemistry. Two chemical functionalities were obtained by conjugating, via click reactions, ethylene glycol moieties containing two different terminal groups to discrete areas towards the exterior of a PSi rugate filter. The patterning of biological species to the functionalized surface was demonstrated through the conjugation of fluorescein isothiocyanate labelled bovine serum albumin (FITC-BSA). Fluorescence microscopy showed selective positioning of FITC-BSA at discretely functionalized areas. Meanwhile, the optical information from precisely defined positions on the patterned surface was monitored by optical reflectivity measurements. The optical measurements revealed successful step-wise chemical functionalization followed by immobilization of gelatin. Multiplex detection of protease activity from different array elements on the patterned surface was demonstrated by monitoring the blue shifts in the reflectivity spectra resulted from the digestion of gelatin by subtilisin. Precise information from both individual elements and average population was acquired. This technique is important for the development of PSi into a microarray platform for highly parallel biosensing applications, especially for cell-based assays.
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Affiliation(s)
- Ying Zhu
- School of Chemistry and the Australian Centre for NanoMedicine , University of New South Wales , Sydney 2052 , Australia .
| | - Alexander H Soeriyadi
- School of Chemistry and the Australian Centre for NanoMedicine , University of New South Wales , Sydney 2052 , Australia .
| | - Stephen G Parker
- School of Chemistry and the Australian Centre for NanoMedicine , University of New South Wales , Sydney 2052 , Australia .
| | - Peter J Reece
- School of Physics , University of New South Wales , Sydney 2052 , Australia
| | - J Justin Gooding
- School of Chemistry and the Australian Centre for NanoMedicine , University of New South Wales , Sydney 2052 , Australia .
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28
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Ngo HT, Wang HN, Burke T, Ginsburg GS, Vo-Dinh T. Multiplex detection of disease biomarkers using SERS molecular sentinel-on-chip. Anal Bioanal Chem 2014; 406:3335-44. [PMID: 24577572 DOI: 10.1007/s00216-014-7648-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Revised: 12/17/2013] [Accepted: 01/21/2014] [Indexed: 11/25/2022]
Abstract
Developing techniques for multiplex detection of disease biomarkers is important for clinical diagnosis. In this work, we have demonstrated for the first time the feasibility of multiplex detection of genetic disease biomarkers using the surface-enhanced Raman scattering (SERS)-based molecular sentinel-on-chip (MSC) diagnostic technology. The molecular sentinel (MS) sensing mechanism is based upon the decrease of SERS intensity when Raman labels tagged at 3'-ends of MS nanoprobes are physically displaced from the nanowave chip's surface upon DNA hybridization. The use of bimetallic layer (silver and gold) for the nanowave fabrication was investigated. SERS measurements were performed immediately following a single hybridization reaction between the target single-stranded DNA sequences and the complementary MS nanoprobes immobilized on the nanowave chip without requiring target labeling (i.e., label-free), secondary hybridization, or post-hybridization washing, thus shortening the assay time and reducing cost. Two nucleic acid transcripts, interferon alpha-inducible protein 27 and interferon-induced protein 44-like, are used as model systems for the multiplex detection concept demonstration. These two genes are well known for their critical role in host immune response to viral infection and can be used as molecular signature for viral infection diagnosis. The results indicate the potential of the MSC technology for nucleic acid biomarker multiplex detection.
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Affiliation(s)
- Hoan T Ngo
- Department of Biomedical Engineering, Duke University, Durham, NC, 27708, USA
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29
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Shang L, Shangguan F, Cheng Y, Lu J, Xie Z, Zhao Y, Gu Z. Microfluidic generation of magnetoresponsive Janus photonic crystal particles. NANOSCALE 2013; 5:9553-9557. [PMID: 23979459 DOI: 10.1039/c3nr03218c] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Janus particles with features of an anisotropic photonic band gap (PBG) structure and magnetic property have been achieved by phase separation and self-assembly of nanoparticles in microfluidic droplets. The resultant particles enable optical encoding and magnetically controllable motion, making them excellent functional encoded particles in biomedical applications.
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Affiliation(s)
- Luoran Shang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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30
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Zhu Y, Gupta B, Guan B, Ciampi S, Reece PJ, Gooding JJ. Photolithographic strategy for patterning preformed, chemically modified, porous silicon photonic crystal using click chemistry. ACS APPLIED MATERIALS & INTERFACES 2013; 5:6514-6521. [PMID: 23781770 DOI: 10.1021/am4006012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Porous silicon (PSi) is an ideal platform for label-free biosensing, and the development of porous silicon patterning will open a pathway to the development of highly parallel PSi biochips for detecting multiple analytes. The optical response of PSi photonic crystal is determined by the changes in the effective bulk refractive index resulting from reactions/events occurring within the internal pore space. Therefore, introducing precise chemical functionalities in the pores of PSi is essential to ensure device selectivity. Here we describe the fabrication of PSi patterns that possess discrete chemical functionalities that are restricted to precise locations. The key difference to previous patterning protocols for PSi is that the entire porous material is first modified with a self-assembled monolayer of a α,ω-diyne adsorbate prior to patterning using a microfabricated titanium mask. The distal alkyne moieties in the monolayer are then amenable to further selective modification by the archetypal "click" reaction, the copper catalyzed alkyne-azide cycloaddition (CuAAC), using the titanium mask as a resist. This type of patterning is suitable for further immobilization of biological recognition elements, and presents a new platform for highly parallel PSi biosensor for multiple detections.
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Affiliation(s)
- Ying Zhu
- School of Chemistry and the Australian Centre for NanoMedicine, University of New South Wales, Sydney 2052, Australia
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Mukherjee A, Ariza-Flores AD, Balderas-Valadez RF, Agarwal V. Controlling the optical properties of composite multilayered photonic structures: effect of superposition. OPTICS EXPRESS 2013; 21:17324-17339. [PMID: 23938579 DOI: 10.1364/oe.21.017324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Tunability of the optical response of multilayered photonic structures has been compared with sequential (SQ) and superposition (SP) addition of refractive index profile functions. The optical response of the composite multilayered structure, formed after the SP addition of the two Bragg type refractive index profile functions has been studied as a function of percentage overlap and relative shift between the profiles. Apart from the substantial advantage in terms of the reduced physical thickness of the SP composite structures (over the SQ addition), at certain optimum values of relative shift, photonic structures with better quality factor resonant modes or a broader PBG could be designed. Similar analysis has been extended for rugate filters as well. The experimental verification of the optical response, was carried out through multilayered dielectric porous silicon structures fabricated by electrochemical anodization.
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Affiliation(s)
- Anupam Mukherjee
- CIICAp, UAEM, Av Universidad 1001 Col. Chamilpa, Cuernavaca, Morelos 62210, Mexico
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32
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Hu J, Wu P, Deng D, Jiang X, Hou X, Lv Y. An optical humidity sensor based on CdTe nanocrystals modified porous silicon. Microchem J 2013. [DOI: 10.1016/j.microc.2012.10.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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33
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Gupta B, Zhu Y, Guan B, Reece PJ, Gooding JJ. Functionalised porous silicon as a biosensor: emphasis on monitoring cells in vivo and in vitro. Analyst 2013; 138:3593-615. [DOI: 10.1039/c3an00081h] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Ye BF, Zhao YJ, Cheng Y, Li TT, Xie ZY, Zhao XW, Gu ZZ. Colorimetric photonic hydrogel aptasensor for the screening of heavy metal ions. NANOSCALE 2012; 4:5998-6003. [PMID: 22936101 DOI: 10.1039/c2nr31601c] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
We have developed a robust method for the visual detection of heavy metal ions (such as Hg(2+) and Pb(2+)) by using aptamer-functionalized colloidal photonic crystal hydrogel (CPCH) films. The CPCHs were derived from a colloidal crystal array of monodisperse silica nanoparticles, which were polymerized within the polyacrylamide hydrogel. The heavy metal ion-responsive aptamers were then cross-linked in the hydrogel network. During detection, the specific binding of heavy metal ions and cross-linked single-stranded aptamers in the hydrogel network caused the hydrogel to shrink, which was detected as a corresponding blue shift in the Bragg diffraction peak position of the CPCHs. The shift value could be used to estimate, quantitatively, the amount of the target ion. It was demonstrated that our CPCH aptasensor could screen a wide concentration range of heavy metal ions with high selectivity and reversibility. In addition, these aptasensors could be rehydrated from dried gels for storage and aptamer protection. It is anticipated that our technology may also be used in the screening of a broad range of metal ions in food, drugs and the environment.
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Affiliation(s)
- Bao-Fen Ye
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
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35
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Endo T, Sato M, Kajita H, Okuda N, Tanaka S, Hisamoto H. Printed two-dimensional photonic crystals for single-step label-free biosensing of insulin under wet conditions. LAB ON A CHIP 2012; 12:1995-9. [PMID: 22543758 DOI: 10.1039/c2lc40066a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Two-dimensional photonic crystals (2D-PCs) fabricated on a cyclo-olefin polymer (COP) film using a printable photonics technology based on nano-imprint lithography (NIL) were used for label-free biosensing of insulin under wet conditions. In general, 2D-PC-based biosensing involves a complicated dry-up procedure after biosensing reactions on the 2D-PCs to obtain a high sensitivity through the large difference in refractive index. Therefore, it can be difficult to achieve simple operation involving single-step analysis. Performance of the biosensing under wet conditions would simplify the operational procedure. For label-free biosensing of insulin under wet conditions, the Fresnel reflection intensity change was used instead of the wavelength shift, which is the commonly used sensing signal. By detecting changes in refractive index caused by specific interactions between the antigen and antibody as the Fresnel reflection intensity changes, physiologically important concentrations of insulin could be detected, even under wet conditions. These results suggest that low-cost printed 2D-PCs offer great potential for single-step label-free biosensing through the introduction of a sample solution.
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Affiliation(s)
- Tatsuro Endo
- Analytical Chemistry Group, Department of Applied Chemistry, Osaka Prefecture University, Sakai-shi, Osaka, Japan.
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36
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Kemling JW, Qavi AJ, Bailey RC, Suslick KS. Nanostructured Substrates for Optical Sensing. J Phys Chem Lett 2011; 2:2934-2944. [PMID: 22174955 PMCID: PMC3235654 DOI: 10.1021/jz201147g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Sensors that change color have the advantages of versatility, ease of use, high sensitivity, and low cost. The recent development of optically based chemical sensing platforms has increasingly employed substrates manufactured with advanced processing or fabrication techniques to provide precise control over shape and morphology of the sensor micro- and nano-structure. New sensors have resulted with improved capabilities for a number of sensing applications, including the detection of biomolecules and environmental monitoring. This perspective focuses on recent optical sensor devices that utilize nanostructured substrates.
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37
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Xiao W, Huang J. Immobilization of oligonucleotides onto zirconia-modified filter paper and specific molecular recognition. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:12284-12288. [PMID: 21905718 DOI: 10.1021/la203150f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A morphologically complex cellulosic substance (e.g., commercial filter paper) was employed as a substrate for DNA immobilization and successive recognition. A uniform ultrathin zirconia gel film was first deposited on each cellulose nanofiber in bulk filter paper by a facile sol-gel process. Relying on the large surface area of filter paper and the strong affinity of zirconia for the phosphate group, terminal-phosphate probe DNA was abundantly immobilized on the zirconia-modified filter paper so as to convert the composite to a biofunctional material for the sensitive and repetitive recognition of the corresponding complementary target DNA on the nanomolar level. By contrast, in spite of the viability of the immobilization of the probe DNA and the recognition of target DNA on the quartz plate, the amount of captured probe DNA or recognized target DNA on such a flat substrate was much less than that captured or recognized on filter paper, resulting in a relatively insensitive recognition event. Moreover, control experiments on bare filter paper (without a zirconia nanocoating) suggested that the zirconia gel film was essential to probe DNA immobilization and subsequent target DNA recognition.
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Affiliation(s)
- Wei Xiao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
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38
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Zhao X, Zhao Y, Gu Z. Advances of multiplex and high throughput biomolecular detection technologies based on encoding microparticles. Sci China Chem 2011; 54:1185. [PMID: 32214998 PMCID: PMC7088634 DOI: 10.1007/s11426-011-4343-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2011] [Accepted: 06/02/2011] [Indexed: 12/22/2022]
Abstract
The rapid developments of genomics and proteomics have driven the demand for multiplex and high throughput analysis of large numbers of biomolecules in the fields of medical diagnostics, drug discovery, and environmental monitoring. Encoding the biomolecular binding events is the key technique to fulfill this demand, in which microparticles play the most important roles. This review outlines the development of multiplex and high throughput biodetections, and highlights the most recent advances in the field of encoding microparticles, together with problems that need to be resolved.
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Affiliation(s)
- XiangWei Zhao
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096 China
| | - YuanJin Zhao
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096 China
| | - ZhongZe Gu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096 China
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Xiang Y, Qian X, Chen Y, Zhang Y, Chai Y, Yuan R. A reagentless and disposable electronic genosensor: from multiplexed analysis to molecular logic gates. Chem Commun (Camb) 2011; 47:2080-2. [DOI: 10.1039/c0cc04350h] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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40
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Sciacca B, Secret E, Pace S, Gonzalez P, Geobaldo F, Quignard F, Cunin F. Chitosan-functionalized porous silicon optical transducer for the detection ofcarboxylic acid-containing drugs in water. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm02904a] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Kim SH, Shim JW, Yang SM. Microfluidic Multicolor Encoding of Microspheres with Nanoscopic Surface Complexity for Multiplex Immunoassays. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201004869] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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42
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Kim SH, Shim JW, Yang SM. Microfluidic Multicolor Encoding of Microspheres with Nanoscopic Surface Complexity for Multiplex Immunoassays. Angew Chem Int Ed Engl 2010; 50:1171-4. [DOI: 10.1002/anie.201004869] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2010] [Indexed: 11/12/2022]
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43
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Wu EC, Andrew JS, Cheng L, Freeman WR, Pearson L, Sailor MJ. Real-time monitoring of sustained drug release using the optical properties of porous silicon photonic crystal particles. Biomaterials 2010; 32:1957-66. [PMID: 21122914 DOI: 10.1016/j.biomaterials.2010.11.013] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Accepted: 11/06/2010] [Indexed: 10/18/2022]
Abstract
A controlled and observable drug delivery system that enables long-term local drug administration is reported. Biodegradable and biocompatible drug-loaded porous Si microparticles were prepared from silicon wafers, resulting in a porous 1-dimensional photonic crystal (rugate filter) approx. 12 μm thick and 35 μm across. An organic linker, 1-undecylenic acid, was attached to the Si-H terminated inner surface of the particles by hydrosilylation and the anthracycline drug daunorubicin was bound to the carboxy terminus of the linker. Degradation of the porous Si matrix in vitro was found to release the drug in a linear and sustained fashion for 30 d. The bioactivity of the released daunorubicin was verified on retinal pigment epithelial (RPE) cells. The degradation/drug delivery process was monitored in situ by digital imaging or spectroscopic measurement of the photonic resonance reflected from the nanostructured particles, and a simple linear correlation between observed wavelength and drug release was observed. Changes in the optical reflectance spectrum were sufficiently large to be visible as a distinctive red to green color change.
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Affiliation(s)
- Elizabeth C Wu
- Department of Bioengineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, United States
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44
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Zhao Y, Zhao X, Tang B, Xu W, Gu Z. Rapid and sensitive biomolecular screening with encoded macroporous hydrogel photonic beads. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:6111-6114. [PMID: 20359181 DOI: 10.1021/la100939d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We present a new method to prepare inverse opaline photonic beads with good spherical shape and superior optical performance by simply introducing an interfacial tension system into a template replication method. When the scaffolds of these beads were composed of poly(ethylene glycol) diacrylate hydrogel, they could provide a homogeneous water surrounding, which remedied many shortcomings of biomolecular microcarriers introduced by the presence of the solid surface of them. The suspension array, which used these macroporous hydrogel photonic beads as coding elements, showed obvious advantages in multiplexed capability, rapid biomolecular screening (within 12 min), and highly sensitive detection (with limit of detection of approximately 10(-12) M).
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Affiliation(s)
- Yuanjin Zhao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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45
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Lee SY, Kim SH, Heo CJ, Hwang H, Yang SM. Lithographically-featured photonic microparticles of colloidal assemblies. Phys Chem Chem Phys 2010; 12:11861-8. [DOI: 10.1039/c0cp00134a] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Rauf S, Glidle A, Cooper JM. Application of quantum dot barcodes prepared using biological self-assembly to multiplexed immunoassays. Chem Commun (Camb) 2010; 46:2814-6. [DOI: 10.1039/b927149j] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Zhang Y, Wang H, Nie J, Zhang Y, Shen G, Yu R. Individually addressable microelectrode arrays fabricated with gold-coated pencil graphite particles for multiplexed and high sensitive impedance immunoassays. Biosens Bioelectron 2009; 25:34-40. [DOI: 10.1016/j.bios.2009.06.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2009] [Revised: 06/01/2009] [Accepted: 06/02/2009] [Indexed: 10/20/2022]
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48
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Hu J, Zhao XW, Zhao YJ, Li J, Xu WY, Wen ZY, Xu M, Gu ZZ. Photonic crystal hydrogel beads used for multiplex biomolecular detection. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b906652g] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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