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Stoddart PR, Begeng JM, Tong W, Ibbotson MR, Kameneva T. Nanoparticle-based optical interfaces for retinal neuromodulation: a review. Front Cell Neurosci 2024; 18:1360870. [PMID: 38572073 PMCID: PMC10987880 DOI: 10.3389/fncel.2024.1360870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 03/04/2024] [Indexed: 04/05/2024] Open
Abstract
Degeneration of photoreceptors in the retina is a leading cause of blindness, but commonly leaves the retinal ganglion cells (RGCs) and/or bipolar cells extant. Consequently, these cells are an attractive target for the invasive electrical implants colloquially known as "bionic eyes." However, after more than two decades of concerted effort, interfaces based on conventional electrical stimulation approaches have delivered limited efficacy, primarily due to the current spread in retinal tissue, which precludes high-acuity vision. The ideal prosthetic solution would be less invasive, provide single-cell resolution and an ability to differentiate between different cell types. Nanoparticle-mediated approaches can address some of these requirements, with particular attention being directed at light-sensitive nanoparticles that can be accessed via the intrinsic optics of the eye. Here we survey the available known nanoparticle-based optical transduction mechanisms that can be exploited for neuromodulation. We review the rapid progress in the field, together with outstanding challenges that must be addressed to translate these techniques to clinical practice. In particular, successful translation will likely require efficient delivery of nanoparticles to stable and precisely defined locations in the retinal tissues. Therefore, we also emphasize the current literature relating to the pharmacokinetics of nanoparticles in the eye. While considerable challenges remain to be overcome, progress to date shows great potential for nanoparticle-based interfaces to revolutionize the field of visual prostheses.
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Affiliation(s)
- Paul R. Stoddart
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC, Australia
| | - James M. Begeng
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC, Australia
- Department of Biomedical Engineering, Faculty of Engineering & Information Technology, The University of Melbourne, Melbourne, VIC, Australia
| | - Wei Tong
- Department of Biomedical Engineering, Faculty of Engineering & Information Technology, The University of Melbourne, Melbourne, VIC, Australia
- School of Physics, The University of Melbourne, Melbourne, VIC, Australia
| | - Michael R. Ibbotson
- Department of Biomedical Engineering, Faculty of Engineering & Information Technology, The University of Melbourne, Melbourne, VIC, Australia
| | - Tatiana Kameneva
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC, Australia
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2
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Dumlupinar G, Venkata Sekar SK, Guadagno CN, Matias JS, Lanka P, Kho CK, Andersson-Engels S. Solid optical tissue phantom tools based on upconverting nanoparticles for biomedical applications. JOURNAL OF BIOMEDICAL OPTICS 2023; 28:036004. [PMID: 36915372 PMCID: PMC10006686 DOI: 10.1117/1.jbo.28.3.036004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 11/16/2022] [Indexed: 06/18/2023]
Abstract
SIGNIFICANCE Phantoms play a critical role in the development of biophotonics techniques. There is a lack of novel phantom tools in the emerging field of upconverting nanoparticles (UCNPs) for biophotonics application. This work provides a range of UCNP-based phantom tools and a manufacturing recipe to bridge the gap and accelerate the development of UCNP-based biophotonics applications. AIM The study aims to provide a well-characterized UCNP-based solid phantom recipe and set of phantom tools to address a wide range of UCNP-based biophotonics applications. APPROACH A solid phantom recipe based on silicone matrix was developed to manufacture UCNP-based phantoms. A lab built UCNP imaging system was used to characterize upconverted fluorescence emission of phantoms for linearity, homogeneity, and long-term stability. A photon time-of-flight spectroscopy technique was used to characterize the optical properties of the phantoms. RESULTS In total, 24 phantoms classified into 4 types, namely homogeneous, multilayer, inclusion, and base phantoms, were manufactured. The phantoms exhibit linear behavior over the dosage range of UCNPs. The phantoms were found to be stable over a limited observed period of 4 months with a coefficient of variation of < 4 % . The deep tissue imaging case showed that increasing the thickness of tissue reduced the UCNP emission. CONCLUSIONS A first-of-its-kind UCNP-based solid phantom recipe was developed, and four types of UCNP phantom tools to explore biophotonics applications were presented. The UCNP phantoms exhibited a linear behavior with dosage and were stable over time. An example case showed the potential use of the phantom for deep tissue imaging applications. With recent advance in the use of UCNPs for biophotonics, we believe our recipe and tools will play a pivotal role in the growth of the UCNPs for biophotonics applications.
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Affiliation(s)
- Gokhan Dumlupinar
- Tyndall National Institute, Biophotonics@Tyndall, IPIC, Cork, Ireland
- University College Cork, Department of Physics, Cork, Ireland
| | | | | | - Jean S. Matias
- Tyndall National Institute, Biophotonics@Tyndall, IPIC, Cork, Ireland
- University College Cork, Department of Physics, Cork, Ireland
| | - Pranav Lanka
- Tyndall National Institute, Biophotonics@Tyndall, IPIC, Cork, Ireland
| | - Chris K.W. Kho
- Tyndall National Institute, Biophotonics@Tyndall, IPIC, Cork, Ireland
| | - Stefan Andersson-Engels
- Tyndall National Institute, Biophotonics@Tyndall, IPIC, Cork, Ireland
- University College Cork, Department of Physics, Cork, Ireland
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3
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Labrador-Páez L, Kostiv U, Liu Q, Li Y, Ågren H, Widengren J, Liu H. Excitation Pulse Duration Response of Upconversion Nanoparticles and Its Applications. J Phys Chem Lett 2022; 13:11208-11215. [PMID: 36445720 PMCID: PMC9743204 DOI: 10.1021/acs.jpclett.2c03037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
Lanthanide-doped upconversion nanoparticles (UCNPs) have rich photophysics exhibiting complex luminescence kinetics. In this work, we thoroughly investigated the luminescence response of UCNPs to excitation pulse durations. Analyzing this response opens new opportunities in optical encoding/decoding and the assignment of transitions to emission peaks and provides advantages in applications of UCNPs, e.g., for better optical sectioning and improved luminescence nanothermometry. Our work shows that monitoring the UCNP luminescence response to excitation pulse durations (while keeping the duty cycle constant) by recording the average luminescence intensity using a low-time resolution detector such as a spectrometer offers a powerful approach for significantly extending the utility of UCNPs.
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Affiliation(s)
- Lucía Labrador-Páez
- Department
of Applied Physics, KTH Royal Institute
of Technology, SE-10691Stockholm, Sweden
| | - Uliana Kostiv
- Department
of Applied Physics, KTH Royal Institute
of Technology, SE-10691Stockholm, Sweden
| | - Qingyun Liu
- Department
of Theoretical Chemistry and Biology, KTH
Royal Institute of Technology, SE-10691Stockholm, Sweden
| | - Yuanyuan Li
- Wallenberg
Wood Science Center, Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-10691Stockholm, Sweden
| | - Hans Ågren
- Department
of Physics and Astronomy, Uppsala University, UppsalaSE-75120, Sweden
| | - Jerker Widengren
- Department
of Applied Physics, KTH Royal Institute
of Technology, SE-10691Stockholm, Sweden
| | - Haichun Liu
- Department
of Applied Physics, KTH Royal Institute
of Technology, SE-10691Stockholm, Sweden
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4
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Mettenbrink EM, Yang W, Wilhelm S. Bioimaging with Upconversion Nanoparticles. ADVANCED PHOTONICS RESEARCH 2022; 3:2200098. [PMID: 36686152 PMCID: PMC9858112 DOI: 10.1002/adpr.202200098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Bioimaging enables the spatiotemporal visualization of biological processes at various scales empowered by a range of different imaging modalities and contrast agents. Upconversion nanoparticles (UCNPs) represent a distinct type of such contrast agents with the potential to transform bioimaging due to their unique optical properties and functional design flexibilities. This review explores and discusses the opportunities, challenges, and limitations that UCNPs exhibit as bioimaging probes and highlights applications with spatial dimensions ranging from the single nanoparticle level to cellular, tissue, and whole animal imaging. We further summarized recent advancements in bioimaging applications enabled by UCNPs, including super-resolution techniques and multimodal imaging methods, and provide a perspective on the future potential of UCNP-based technologies in bioimaging research and clinical translation. This review may provide a valuable resource for researchers interested in exploring and applying UCNP-based bioimaging technologies.
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Affiliation(s)
- Evan M. Mettenbrink
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Wen Yang
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Stefan Wilhelm
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, 73104, USA
- Institute for Biomedical Engineering, Science, and Technology (IBEST), University of Oklahoma, Norman, Oklahoma, 73019, USA
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5
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DuBose JT, Szabó G, Chakkamalayath J, Kamat PV. Excited-State Transient Chemistry of Rubrene: A Whole Story. J Phys Chem A 2022; 126:7147-7158. [PMID: 36074750 DOI: 10.1021/acs.jpca.2c04499] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The ability to manipulate low-energy triplet excited states into higher-energy emissive singlet states, a process known as photon upconversion (UC), has potential applications in bioimaging, photocatalysis, and in increasing the efficiency of solar cells. However, the overall UC mechanism is complex and can involve many intermediate states, especially when semiconductors such as lead halide perovskites are used to sensitize the required triplet states. Using a combination of pulse radiolytic and electrochemical techniques, we have now explored the transient features of rubrene─a commonly employed triplet annihilator in UC systems. The rubrene triplet, radical anion, and radical cation species yield unique spectra that can serve as spectral fingerprints to distinguish between transient species formed during UC processes. Using detailed kinetic studies, we have succeeded in establishing that the rubrene triplets are susceptible to self-quenching (kquench = 3.6 × 108 M-1 s-1), and as the triplets decay, an additional transient feature is observed in the transient absorption spectra. This new feature indicates a net electron transfer process occurs to form the radical cation and anion as the triplets recombine. Taken together, this work provides a comprehensive picture of the excited state and transient features of rubrene and will be crucial for understanding the mechanism(s) of photon upconversion systems.
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Affiliation(s)
- Jeffrey T DuBose
- Radiation Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, United States.,Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Gábor Szabó
- Radiation Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, United States.,Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Jishnudas Chakkamalayath
- Radiation Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, United States.,Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Prashant V Kamat
- Radiation Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, United States.,Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States.,Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
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6
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Konugolu Venkata Sekar S, Matias JS, Dumlupinar G, Niemitz L, Mousavi M, Komolibus K, Andersson-Engels S. Multi-variable compensated quantum yield measurements of upconverting nanoparticles with high dynamic range: a systematic approach. OPTICS EXPRESS 2022; 30:16572-16584. [PMID: 36221497 DOI: 10.1364/oe.452874] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/04/2022] [Indexed: 06/16/2023]
Abstract
Non-linear materials such as upconverting nanoparticles (UCNPs) are emerging technology with fast-growing applications in various fields. The power density dependence of the emission quantum yield (QY) of these non-linear materials makes them challenging to characterize using currently available commercial QY systems. We propose a multimodal system to measure QY over a wide dynamic range (1:104), which takes into account and compensates for various distorting parameters (scattering, beam profile, inner filter effect and bandwidth of emission lines). For this, a beam shaping approach enabling speckle free beam profiles of two different sizes (530 µm or 106 µm) was employed. This provides low noise high-resolution QY curves. In particular, at low power densities, a signal-to-noise ratio of >50 was found. A Tm-based core-shell UCNP with excitation at 976 nm and emission at 804 nm was investigated with the system.
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7
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Matias JS, Komolibus K, Konugolu-Venkata-Sekar S, Andersson-Engels S. Evaluation of relative beam-profile-compensated quantum yield of upconverting nanoparticles over a wide dynamic range of power densities. NANOSCALE 2022; 14:2230-2237. [PMID: 35080228 DOI: 10.1039/d1nr06129a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The presented work uses a discrete strategy of beam profile compensation to evaluate the local internal quantum yield (iQY) of upconverting nanoparticles (UCNPs) at the pixel level of the beam profile using a compact CMOS camera. The two-photon process of upconversion with a central emission peak at 804 nm was studied for a β-phase core-shell Tm-codoped UCNP under 976 nm excitation. At the balancing power density point, ρb, found to be 44 ± 3 W cm-2, the iQY, ηb, was obtained as 2.3 ± 0.1%. Combining the power density dynamic range provided by the pixel depth of the camera with the dynamic range achieved using two distinct beam profiles to excite the UCNPs, the iQY was evaluated throughout a range of 104 in the iQY scale (from 0.0003% to 4.6%) and 106 in power densities of excitation (from 0.003 W cm-2 to 1050 W cm-2). To the best of our knowledge, these are the lowest values ever obtained as QY results have never been reported under 0.02% or at excitation power densities below 0.01 W cm-2.
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Affiliation(s)
- J S Matias
- Biophotonics@Tyndall, IPIC, Tyndall National Institute, Cork, Ireland.
- Department of Physics, University College Cork, Cork, Ireland
| | - K Komolibus
- Biophotonics@Tyndall, IPIC, Tyndall National Institute, Cork, Ireland.
| | | | - S Andersson-Engels
- Biophotonics@Tyndall, IPIC, Tyndall National Institute, Cork, Ireland.
- Department of Physics, University College Cork, Cork, Ireland
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8
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Fu H, Hu C, Liu J, Zhang Q, Xu JY, Jiang GJ, Liu M. An overview of boosting lanthanide upconversion luminescence through chemical methods and physical strategies. CrystEngComm 2022. [DOI: 10.1039/d2ce01206e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lanthanide-doped upconversion nanoparticles have attracted extensive research interest due to their promising applications in various fields.
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Affiliation(s)
- Huhui Fu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - Changhe Hu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - Jie Liu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - Qi Zhang
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - J. Y. Xu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - G. J. Jiang
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - M. Liu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
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9
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Lanthanides-doped near-infrared active upconversion nanocrystals: Upconversion mechanisms and synthesis. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213870] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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10
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Maddahfar M, Wen S, Hosseinpour Mashkani SM, Zhang L, Shimoni O, Stenzel M, Zhou J, Fazekas de St Groth B, Jin D. Stable and Highly Efficient Antibody-Nanoparticles Conjugation. Bioconjug Chem 2021; 32:1146-1155. [PMID: 34011146 DOI: 10.1021/acs.bioconjchem.1c00192] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Functional ligands and polymers have frequently been used to yield target-specific bio-nanoconjugates. Herein, we provide a systematic insight into the effect of the chain length of poly(oligo (ethylene glycol) methyl ether acrylate) (POEGMEA) containing polyethylene glycol on the colloidal stability and antibody-conjugation efficiency of nanoparticles. We employed Reversible Addition-Fragmentation Chain Transfer (RAFT) to design diblock copolymers composed of 7 monoacryloxyethyl phosphate (MAEP) units and 6, 13, 35, or 55 OEGMEA units. We find that when the POEGMEA chain is short, the polymer cannot effectively stabilize the nanoparticles, and when the POEGMEA chain is long, the nanoparticles cannot be efficiently conjugated to antibody. In other words, the majority of the carboxylic groups in larger POEGMEA chains are inaccessible to further chemical modification. We demonstrate that the polymer containing 13 OEGMEA units can effectively bind up to 64% of the antibody molecules, while the binding efficiency drops to 50% and 0% for the polymer containing 35 and 55 OEGMEA units. Moreover, flow cytometry assay statistically shows that about 9% of the coupled antibody retained its activity to recognize B220 biomarkers on the B cells. This work suggests a library of stabile, specific, and bioactive lanthanide-doped nanoconjugates for flow cytometry and mass cytometry application.
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Affiliation(s)
- Mahnaz Maddahfar
- Institute for Biomedical Materials and Devices (IBMD), School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia.,Ramaciotti Facility for Human Systems Biology and Discipline of Pathology, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Shihui Wen
- Institute for Biomedical Materials and Devices (IBMD), School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Seyed Mostafa Hosseinpour Mashkani
- Institute for Biomedical Materials and Devices (IBMD), School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Lin Zhang
- School of Chemistry/Cluster for Advanced Macromolecular Design (CAMD) University of New South Wales Kensington, Sydney, New South Wales 2052, Australia
| | - Olga Shimoni
- Institute for Biomedical Materials and Devices (IBMD), School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Martina Stenzel
- School of Chemistry/Cluster for Advanced Macromolecular Design (CAMD) University of New South Wales Kensington, Sydney, New South Wales 2052, Australia
| | - Jiajia Zhou
- Institute for Biomedical Materials and Devices (IBMD), School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Barbara Fazekas de St Groth
- Ramaciotti Facility for Human Systems Biology and Discipline of Pathology, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Dayong Jin
- Institute for Biomedical Materials and Devices (IBMD), School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia
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11
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Loo JFC, Chien YH, Yin F, Kong SK, Ho HP, Yong KT. Upconversion and downconversion nanoparticles for biophotonics and nanomedicine. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213042] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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12
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Liu Q, Liu H, Li D, Qiao W, Chen G, Ågren H. Microlens array enhanced upconversion luminescence at low excitation irradiance. NANOSCALE 2019; 11:14070-14078. [PMID: 31313798 DOI: 10.1039/c9nr03105g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The dearth of high upconversion luminescence (UCL) intensity at low excitation irradiance hinders the prevalent application of lanthanide-doped upconversion nanoparticles (UCNPs) in many fields ranging from optical bioimaging to photovoltaics. In this work, we propose to use microlens arrays (MLAs) as spatial light modulators to manipulate the distribution of excitation light fields in order to increase UCL, taking advantage of its nonlinear response to the excitation irradiance. We show that multicolored UCL from NaYF4:Yb3+,Er3+@NaYF4:Yb3+,Nd3+ and NaYF4:Yb3+,Tm3+@NaYF4:Yb3+,Nd3+ core/shell UCNPs can be increased by more than one order of magnitude under either 980 or 808 nm excitation, by simply placing a polymeric MLA onto the top of these samples. The observed typical green (525/540 nm) and red (654 nm) UCL bands from Er3+ and a blue (450/475 nm) UCL band from Tm3+ exhibit distinct enhancement factors due to their different multi-photon processes. Importantly, our ray tracing simulation reveals that the MLA is able to spatially confine the excitation light (980 and 808 nm) by orders of magnitude, thus amplifying UCL by more than 225-fold (the 450 nm UCL band of Tm3+) at low excitation irradiance. The proposed MLA method has immediate ramifications for the improved performance of all types of UCNP-based devices, such as UCNP-enhanced dye sensitized solar cells demonstrated here.
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Affiliation(s)
- Qingyun Liu
- Department of Theoretical Chemistry and Biology, KTH Royal Institute of Technology, Stockholm, Sweden. and School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, P.R. China.
| | - Haichun Liu
- Department of Theoretical Chemistry and Biology, KTH Royal Institute of Technology, Stockholm, Sweden.
| | - Deyang Li
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, P.R. China.
| | - Wen Qiao
- School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, P.R. China
| | - Guanying Chen
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, P.R. China.
| | - Hans Ågren
- Department of Theoretical Chemistry and Biology, KTH Royal Institute of Technology, Stockholm, Sweden. and School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, P.R. China. and College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, P.R. China
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13
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Yamanaka M, Niioka H, Furukawa T, Nishizawa N. Excitation of erbium-doped nanoparticles in 1550-nm wavelength region for deep tissue imaging with reduced degradation of spatial resolution. JOURNAL OF BIOMEDICAL OPTICS 2019; 24:1-4. [PMID: 31301125 PMCID: PMC6995873 DOI: 10.1117/1.jbo.24.7.070501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 06/24/2019] [Indexed: 06/10/2023]
Abstract
Rare-earth-doped nanoparticles are one of the emerging probes for bioimaging due to their visible-to-near-infrared (NIR) upconversion emission via sequential single-photon absorption at NIR wavelengths. The NIR-excited upconversion property and high photostability make this probe appealing for deep tissue imaging. So far, upconversion nanoparticles include ytterbium ions (Yb3 + ) codoped with other rare earth ions, such as erbium (Er3 + ) and thulium (Tm3 + ). In these types of upconversion nanoparticles, through energy transfer from Yb3 + excited with continuous wave light at a wavelength of 980 nm, upconversion emission of the other rare earth dopants is induced. We have found that the use of the excitation of Er3 + in the 1550-nm wavelength region allows us to perform deep tissue imaging with reduced degradation of spatial resolution. In this excitation–emission process, three and four photons of 1550-nm light are sequentially absorbed, and Er3 + emits photons in the 550- and 660-nm wavelength regions. We demonstrate that, compared with the case using 980-nm wavelength excitation, the use of 1550-nm light enables us to moderate degradation of spatial resolution in deep tissue imaging due to the lower light scattering coefficient compared with 980-nm light. We also demonstrate that live cell imaging is feasible with this 1550 nm excitation.
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Affiliation(s)
- Masahito Yamanaka
- Nagoya University, Department of Electronics, Furo-cho, Chikusa-ku, Nagoya, Aichi, Japan
| | - Hirohiko Niioka
- Osaka University, Institute for Datability Science, Suita, Osaka, Japan
| | - Taichi Furukawa
- Yokohama National University, Faculty of Engineering, Hodogaya-ku, Yokohama, Kanagawa, Japan
| | - Norihiko Nishizawa
- Nagoya University, Department of Electronics, Furo-cho, Chikusa-ku, Nagoya, Aichi, Japan
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14
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Bergstrand J, Liu Q, Huang B, Peng X, Würth C, Resch-Genger U, Zhan Q, Widengren J, Ågren H, Liu H. On the decay time of upconversion luminescence. NANOSCALE 2019; 11:4959-4969. [PMID: 30839016 DOI: 10.1039/c8nr10332a] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
In this study, we systematically investigate the decay characteristics of upconversion luminescence (UCL) under anti-Stokes excitation through numerical simulations based on rate-equation models. We find that a UCL decay profile generally involves contributions from the sensitizer's excited-state lifetime, energy transfer and cross-relaxation processes. It should thus be regarded as the overall temporal response of the whole upconversion system to the excitation function rather than the intrinsic lifetime of the luminescence emitting state. Only under certain conditions, such as when the effective lifetime of the sensitizer's excited state is significantly shorter than that of the UCL emitting state and of the absence of cross-relaxation processes involving the emitting energy level, the UCL decay time approaches the intrinsic lifetime of the emitting state. Subsequently, Stokes excitation is generally preferred in order to accurately quantify the intrinsic lifetime of the emitting state. However, possible cross-relaxation between doped ions at high doping levels can complicate the decay characteristics of the luminescence and even make the Stokes-excitation approach fail. A strong cross-relaxation process can also account for the power dependence of the decay characteristics of UCL.
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Affiliation(s)
- Jan Bergstrand
- Department of Applied Physics, KTH Royal Institute of Technology, S-10691, Stockholm, Sweden
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15
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Kraft M, Würth C, Palo E, Soukka T, Resch-Genger U. Colour-optimized quantum yields of Yb, Tm Co-doped upconversion nanocrystals. Methods Appl Fluoresc 2019; 7:024001. [PMID: 30690440 DOI: 10.1088/2050-6120/ab023b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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16
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Pickel AD, Teitelboim A, Chan EM, Borys NJ, Schuck PJ, Dames C. Apparent self-heating of individual upconverting nanoparticle thermometers. Nat Commun 2018; 9:4907. [PMID: 30464256 PMCID: PMC6249317 DOI: 10.1038/s41467-018-07361-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 10/19/2018] [Indexed: 11/26/2022] Open
Abstract
Individual luminescent nanoparticles enable thermometry with sub-diffraction limited spatial resolution, but potential self-heating effects from high single-particle excitation intensities remain largely uninvestigated because thermal models predict negligible self-heating. Here, we report that the common "ratiometric" thermometry signal of individual NaYF4:Yb3+,Er3+ nanoparticles unexpectedly increases with excitation intensity, implying a temperature rise over 50 K if interpreted as thermal. Luminescence lifetime thermometry, which we demonstrate for the first time using individual NaYF4:Yb3+,Er3+ nanoparticles, indicates a similar temperature rise. To resolve this apparent contradiction between model and experiment, we systematically vary the nanoparticle's thermal environment: the substrate thermal conductivity, nanoparticle-substrate contact resistance, and nanoparticle size. The apparent self-heating remains unchanged, demonstrating that this effect is an artifact, not a real temperature rise. Using rate equation modeling, we show that this artifact results from increased radiative and non-radiative relaxation from higher-lying Er3+ energy levels. This study has important implications for single-particle thermometry.
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Affiliation(s)
- Andrea D Pickel
- Department of Mechanical Engineering, University of California, Berkeley, CA, 94720, USA
| | - Ayelet Teitelboim
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Emory M Chan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Nicholas J Borys
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - P James Schuck
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Department of Mechanical Engineering, Columbia University, New York, NY, 10027, USA
| | - Chris Dames
- Department of Mechanical Engineering, University of California, Berkeley, CA, 94720, USA.
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.
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17
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Zheng X, Shikha S, Zhang Y. Elimination of concentration dependent luminescence quenching in surface protected upconversion nanoparticles. NANOSCALE 2018; 10:16447-16454. [PMID: 30151518 DOI: 10.1039/c8nr03121e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Quenching of lanthanide-doped upconversion nanoparticle (UCNP) luminescence at high dopant concentrations is an existing challenge that hampers their desired applications. It has already been reported that concentration quenching is strongly coupled to surface quenching. However, in this study we found that surface quenching is not the only cause for concentration quenching and concentration quenching was still observed in UCNPs with a well-protected surface. By using a mathematical model to better understand the processes, we proposed that this concentration quenching could be minimized by moving the extra sensitizers (Yb3+) to a different layer. To achieve this, a new tri-layer UCNP structure with sensitizers isolated in the middle layer was developed. It was observed that the quenching was reduced, and the luminescence intensity was enhanced up to 11.8 times in comparison with the brightest UCNPs without the sensitizing layer.
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Affiliation(s)
- Xiang Zheng
- Department of Biomedical Engineering, National University of Singapore, Singapore 117583, Singapore.
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18
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Dawson P, Romanowski M. Excitation Modulation of Upconversion Nanoparticles for Switch-like Control of Ultraviolet Luminescence. J Am Chem Soc 2018; 140:5714-5718. [DOI: 10.1021/jacs.7b13677] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Peter Dawson
- Department of Biomedical Engineering, University of Arizona, Tucson, Arizona 85721, United States
| | - Marek Romanowski
- Department of Biomedical Engineering, University of Arizona, Tucson, Arizona 85721, United States
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19
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Xie Y, Li Y, Wei G, Liu Q, Mundoor H, Chen Z, Smalyukh II. Liquid crystal self-assembly of upconversion nanorods enriched by depletion forces for mesostructured material preparation. NANOSCALE 2018; 10:4218-4227. [PMID: 29445801 DOI: 10.1039/c7nr06663e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Monodisperse rod-like colloidal particles are known for spontaneously forming both nematic and smectic liquid crystal phases, but their self-assembly was typically exploited from the fundamental soft condensed matter physics perspective. Here we demonstrate that depletion interactions, driven by non-adsorbing polymers like dextran and surfactants, can be used to enrich the self-organization of photon-upconversion nanorods into orientationally ordered nematic and smectic-like membrane colloidal superstructures. We study thermodynamic phase diagrams and demonstrate polarization-dependent photon upconversion exhibited by the ensuing composites, which arises from the superposition of unique properties of the solid nanostructures and the long-range ordering enabled by liquid crystalline self-organization. Finally, we discuss how our method of utilizing self-assembly due to the steric and electrostatic interactions, along with attractive depletion forces, can enable technological uses of lyotropic colloidal liquid crystals and mesostructured composite materials enabled by them, even when they are formed by anisotropic nanoparticles with relatively small aspect ratios.
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Affiliation(s)
- Yong Xie
- Department of Physics, Material Science and Engineering Program, Department of Electrical, Computer, & Energy Engineering, and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA.
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20
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Rocheva VV, Koroleva AV, Savelyev AG, Khaydukov KV, Generalova AN, Nechaev AV, Guller AE, Semchishen VA, Chichkov BN, Khaydukov EV. High-resolution 3D photopolymerization assisted by upconversion nanoparticles for rapid prototyping applications. Sci Rep 2018; 8:3663. [PMID: 29483519 PMCID: PMC5832145 DOI: 10.1038/s41598-018-21793-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 02/09/2018] [Indexed: 12/16/2022] Open
Abstract
Three-dimensional (3D) rapid prototyping technology based on near-infrared light-induced polymerization of photocurable compositions containing upconversion nanomaterials has been explored. For this aim, the rationally-designed core/shell upconversion nanoparticles NaYF4:Yb3+,Tm3+/NaYF4, with the distinct ultraviolet-emitting lines and unprecedentedly high near-infrared to ultraviolet conversion efficiency of \documentclass[12pt]{minimal}
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\begin{document}$${\eta }_{{\bf{UC}}}^{({\bf{UV}})}=2{\boldsymbol{ \% }}$$\end{document}ηUC(UV)=2% have been used. The upconverted ultraviolet photons were capable to efficiently activate photoinitiators contained in light-sensitive resins under moderate intensities of NIR excitation below 10 W cm−2 and induce generation of radicals and photopolymerization in situ. Near infrared-activated polymerization process, both at the millimeter and sub-micron scales, was investigated. Polymeric macro- and microstructures were fabricated by means of near infrared laser scanning photolithography in the volume of liquid photocurable compositions with focused laser light at 975 nm wavelength. Examination of the polymerization process in the vicinity of the nanoparticles shows strong differences in the rate of polymer shell growth on flat and edge nanoparticle sides. This phenomenon mainly defines the resolution of the demonstrated near infrared - ultraviolet 3D printing technology at the micrometer scale level.
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Affiliation(s)
- Vasilina V Rocheva
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia
| | - Anastasia V Koroleva
- Laser Zentrum Hannover, Hannover, 30419, Germany.,Sechenov First Moscow State Medical University, Moscow, 119991, Russia
| | - Alexander G Savelyev
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia.,Sechenov First Moscow State Medical University, Moscow, 119991, Russia
| | - Kirill V Khaydukov
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia
| | - Alla N Generalova
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia.,Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, 117997, Russia
| | - Andrey V Nechaev
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia.,Institute of Fine Chemical Technologies, Moscow Technological University, Moscow, 119571, Russia
| | - Anna E Guller
- Sechenov First Moscow State Medical University, Moscow, 119991, Russia.,Macquarie University, Sydney, NSW 2109, Australia
| | - Vladimir A Semchishen
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia
| | - Boris N Chichkov
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia.,Laser Zentrum Hannover, Hannover, 30419, Germany.,Institut für Quantenoptik, Leibniz Universität Hannover, Hannover, 30167, Germany
| | - Evgeny V Khaydukov
- Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, Moscow, 119333, Russia. .,Sechenov First Moscow State Medical University, Moscow, 119991, Russia. .,International Joint Center for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng, Henan, 475004, China.
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21
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Huang K, Liu H, Kraft M, Shikha S, Zheng X, Ågren H, Würth C, Resch-Genger U, Zhang Y. A protected excitation-energy reservoir for efficient upconversion luminescence. NANOSCALE 2017; 10:250-259. [PMID: 29210408 DOI: 10.1039/c7nr06900f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Lanthanide-doped upconversion nanoparticles (UCNPs) are of great interest for biomedical applications. Currently, the applicability of UCNP bionanotechnology is hampered by the generally low luminescence intensity of UCNPs and inefficient energy transfer from UCNPs to surface-bound chromophores used e.g. for photodynamic therapy or analyte sensing. In this work, we address the low-efficiency issue by developing versatile core-shell nanostructures, where high-concentration sensitizers and activators are confined in the core and shell region of representative hexagonal NaYF4:Yb,Er UCNPs. After doping concentration optimization, the sensitizer-rich core is able to harvest/accumulate more excitation energy and generate almost one order of magnitude higher luminescence intensity than conventional homogeneously doped nanostructures. At the same time, the activator ions located in the shell enable a ∼6 times more efficient resonant energy transfer from UCNPs to surface-bound acceptor dye molecules due to the short distance between donor-acceptor pairs. Our work provides new insights into the rational design of UCNPs and will greatly increase the general applicability of upconversion nanotechnologies.
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Affiliation(s)
- Kai Huang
- Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, 4 Engineering Drive 3, 117583 Singapore.
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22
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Perspectives and challenges of photon-upconversion nanoparticles - Part II: bioanalytical applications. Anal Bioanal Chem 2017; 409:5875-5890. [DOI: 10.1007/s00216-017-0482-8] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 05/29/2017] [Accepted: 06/21/2017] [Indexed: 10/19/2022]
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23
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Han Y, Li H, Wang Y, Pan Y, Huang L, Song F, Huang W. Upconversion Modulation through Pulsed Laser Excitation for Anti-counterfeiting. Sci Rep 2017; 7:1320. [PMID: 28465571 PMCID: PMC5430986 DOI: 10.1038/s41598-017-01611-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 03/30/2017] [Indexed: 12/05/2022] Open
Abstract
Lanthanide-doped upconversion nanomaterials are emerging as promising candidates in optoelectronics, volumetric display, anti-counterfeiting as well as biological imaging and therapy. Typical modulations of upconversion through chemical methods, such as controlling phase, composition, morphology and size enable us to rationally manipulate emission profiles and lifetimes of lanthanide ions by using continuous-wave laser excitation. Here we demonstrate that under pulsed laser excitation the emission color of NaYF4:Er/Tm (2/0.5%)@NaYF4 core-shell nanoparticles has an obvious transformation from green to red colors. Moreover, both pulse duration and repetition frequency are responsible for manipulating the upconversion emission color. The mechanism of the phenomena may be that the pulsed laser sequence triggers the emission levels to non-steady upconversion states first, and then cuts off the unfinished population process within the pulse duration. This pump source dependent and resultant tunable fluorescence emission enables NaYF4:Er/Tm (2/0.5%)@NaYF4 nanoparticles as a promising fluorophore in the transparent anti-fake printing.
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Affiliation(s)
- Yingdong Han
- School of Physics & The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Nankai University, Tianjin, 300071, China
| | - Hongyu Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, P.R. China
| | - Yangbo Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, P.R. China
| | - Yue Pan
- School of Chemistry and Chemical Engineering, Inner Mongolia University, 235 West Daxue Road, Hohhot, 010021, P.R. China
| | - Ling Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, P.R. China.
| | - Feng Song
- School of Physics & The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Nankai University, Tianjin, 300071, China.
| | - Wei Huang
- School of Physics & The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Nankai University, Tianjin, 300071, China. .,Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, P.R. China.
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24
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Möller N, Rühling A, Lamping S, Hellwig T, Fallnich C, Ravoo BJ, Glorius F. Stabilization of High Oxidation State Upconversion Nanoparticles by N-Heterocyclic Carbenes. Angew Chem Int Ed Engl 2017; 56:4356-4360. [PMID: 28300327 DOI: 10.1002/anie.201611506] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Indexed: 12/20/2022]
Abstract
The stabilization of high oxidation state nanoparticles by N-heterocyclic carbenes is reported. Such nanoparticles represent an important subset in the field of nanoparticles, with different and more challenging requirements for suitable ligands compared to elemental metal nanoparticles. N-Heterocyclic carbene coated NaYF4 :Yb,Tm upconversion nanoparticles were synthesized by a ligand-exchange reaction from a well-defined precursor. This new photoactive material was characterized in detail and employed in the activation of photoresponsive molecules by low-intensity near-infrared light (λ=980 nm).
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Affiliation(s)
- Nadja Möller
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstrasse 40, 4, 8149, Münster, Germany
| | - Andreas Rühling
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstrasse 40, 4, 8149, Münster, Germany
| | - Sebastian Lamping
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstrasse 40, 4, 8149, Münster, Germany
| | - Tim Hellwig
- Westfälische Wilhelms-Universität Münster, Angewandte Physik, Corrensstrasse 2, 48149, Münster, Germany
| | - Carsten Fallnich
- Westfälische Wilhelms-Universität Münster, Angewandte Physik, Corrensstrasse 2, 48149, Münster, Germany
| | - Bart Jan Ravoo
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstrasse 40, 4, 8149, Münster, Germany
| | - Frank Glorius
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstrasse 40, 4, 8149, Münster, Germany
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25
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Möller N, Rühling A, Lamping S, Hellwig T, Fallnich C, Ravoo BJ, Glorius F. Stabilisierung von hochoxidierten Upconversion-Nanopartikeln mit N-heterocyclischen Carbenen. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611506] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Nadja Möller
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstraße 40 48149 Münster Deutschland
| | - Andreas Rühling
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstraße 40 48149 Münster Deutschland
| | - Sebastian Lamping
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstraße 40 48149 Münster Deutschland
| | - Tim Hellwig
- Westfälische Wilhelms-Universität Münster; Angewandte Physik; Corrensstraße 2 48149 Münster Deutschland
| | - Carsten Fallnich
- Westfälische Wilhelms-Universität Münster; Angewandte Physik; Corrensstraße 2 48149 Münster Deutschland
| | - Bart Jan Ravoo
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstraße 40 48149 Münster Deutschland
| | - Frank Glorius
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstraße 40 48149 Münster Deutschland
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26
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Shikha S, Salafi T, Cheng J, Zhang Y. Versatile design and synthesis of nano-barcodes. Chem Soc Rev 2017; 46:7054-7093. [DOI: 10.1039/c7cs00271h] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
This review provides a critical discussion on the versatile designing and usage of nano-barcodes for various existing and emerging applications.
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Affiliation(s)
- Swati Shikha
- Department of Biomedical Engineering
- Faculty of Engineering
- National University of Singapore (NUS)
- 117583 Singapore
| | - Thoriq Salafi
- Department of Biomedical Engineering
- Faculty of Engineering
- National University of Singapore (NUS)
- 117583 Singapore
- NUS Graduate School for Integrative Sciences and Engineering
| | - Jinting Cheng
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
- Technology and Research (A*STAR)
- Singapore
| | - Yong Zhang
- Department of Biomedical Engineering
- Faculty of Engineering
- National University of Singapore (NUS)
- 117583 Singapore
- NUS Graduate School for Integrative Sciences and Engineering
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27
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Mousavi M, Thomasson B, Li M, Kraft M, Würth C, Resch-Genger U, Andersson-Engels S. Beam-profile-compensated quantum yield measurements of upconverting nanoparticles. Phys Chem Chem Phys 2017; 19:22016-22022. [DOI: 10.1039/c7cp03785f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The UCNP luminescence signal depends non-linearly on the excitation power density, making beam profiling essential in quantum yield measurements. The 2D Gaussian and its squared profile illustrates this concept.
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Affiliation(s)
| | | | - Meng Li
- Department of Physics
- Lund University
- Lund
- Sweden
| | - Marco Kraft
- Federal Institute for Materials Research and Testing (BAM)
- Division Biophotonics (1.10)
- D-12489 Berlin
- Germany
| | - Christian Würth
- Federal Institute for Materials Research and Testing (BAM)
- Division Biophotonics (1.10)
- D-12489 Berlin
- Germany
| | - Ute Resch-Genger
- Federal Institute for Materials Research and Testing (BAM)
- Division Biophotonics (1.10)
- D-12489 Berlin
- Germany
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28
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Patel DN, Sarkisov SS, Darwish AM, Ballato J. Optical gain in capillary light guides filled with NaYF 4: Yb 3+, Er 3+ nanocolloids. OPTICS EXPRESS 2016; 24:21147-21158. [PMID: 27607717 DOI: 10.1364/oe.24.021147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A capillary light guide optical amplifier using nanocolloids of Yb3+-Er3+ co-doped NaYF4 as a filler was successfully demonstrated. A 7-cm-long and 150-micron-inner-diameter capillary light guide was capable to amplify a pulsed optical signal at 1550 nm with a gain coefficient of 0.15 cm-1 at a pump power of 4 mW (980-nm wavelength). The nanocolloid gain medium was prepared by pulverizing the phosphor powder with a high-speed planetary ball mill. Ball milling of the powder in water produced nanoparticles with a size of approximately 130 nm that after drying were transferred to a liquid with high refractive index (1.551 at 1550 nm) required to maintain light confinement within the fused silica capillary light guide. The results show that RE-doped colloids of nanocrystals can be potentially used as liquid gain media fillers in capillary light guide lasers and amplifiers with high photostability and low toxicity.
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29
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Nadort A, Zhao J, Goldys EM. Lanthanide upconversion luminescence at the nanoscale: fundamentals and optical properties. NANOSCALE 2016; 8:13099-130. [PMID: 26986473 DOI: 10.1039/c5nr08477f] [Citation(s) in RCA: 128] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Upconversion photoluminescence is a nonlinear effect where multiple lower energy excitation photons produce higher energy emission photons. This fundamentally interesting process has many applications in biomedical imaging, light source and display technology, and solar energy harvesting. In this review we discuss the underlying physical principles and their modelling using rate equations. We discuss how the understanding of photophysical processes enabled a strategic influence over the optical properties of upconversion especially in rationally designed materials. We subsequently present an overview of recent experimental strategies to control and optimize the optical properties of upconversion nanoparticles, focussing on their emission spectral properties and brightness.
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Affiliation(s)
- Annemarie Nadort
- ARC Centre of Excellence for Nanoscale BioPhotonics, Macquarie University, Sydney 2109, NSW, Australia.
| | - Jiangbo Zhao
- ARC Centre of Excellence for Nanoscale BioPhotonics, Institute for Photonics and Advanced Sensing, School of Physical Sciences, The University of Adelaide, Adelaide 5005, SA, Australia
| | - Ewa M Goldys
- ARC Centre of Excellence for Nanoscale BioPhotonics, Macquarie University, Sydney 2109, NSW, Australia.
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30
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Mrazek J, Pospisilova M, Svozil V, Cadek O, Nesporova K, Sulakova R, Brandejsova M, Vranova J, Velebny V. Widefield imaging of upconverting nanoparticles on epifluorescence microscopes adapted for laser illumination with top-hat profile. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:56007. [PMID: 27232594 DOI: 10.1117/1.jbo.21.5.056007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Accepted: 05/02/2016] [Indexed: 06/05/2023]
Abstract
We describe a modification of epifluorescence microscopes that allows quantitative widefield imaging of samples labeled by upconverting nanoparticles (UCNP). A top-hat illumination profile on the sample was achieved with a 980-nm laser diode by using tandem microlens arrays, a moving diffuser and a telescope, which adjusts the top-hat area to the field of view. Illumination homogeneity is a critical factor for imaging of UCNP since the intensity of their luminescence typically scales with the second power of the excitation intensity. Our illuminator is combined with the epifluorescence attachment of the microscope, allowing easy switching between observation of UCNP and traditional fluorescent dyes. Illumination profile homogeneity of about 98% was measured for objectives with magnification from 4× to 100×, and the top-hat profile was also obtained with phase contrast objectives. We demonstrate capability of the illuminator by evaluating in vitro uptake of UCNP encapsulated in oleyl-hyaluronan micelles into breast cancer cells. Micelles bearing the targeting peptide were about an order of magnitude more efficient than nontargeted micelles.
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Affiliation(s)
- Jiri Mrazek
- Charles University in Prague, Department of Medical Biophysics and Informatics, Third Faculty of Medicine, Ruska 87, 100 00 Prague 10, Czech RepublicbContipro Biotech, Dolni Dobrouc 401, Dolni Dobrouc 561 02, Czech Republic
| | | | - Vit Svozil
- Contipro Biotech, Dolni Dobrouc 401, Dolni Dobrouc 561 02, Czech Republic
| | - Ondrej Cadek
- Contipro Biotech, Dolni Dobrouc 401, Dolni Dobrouc 561 02, Czech Republic
| | - Kristina Nesporova
- Contipro Biotech, Dolni Dobrouc 401, Dolni Dobrouc 561 02, Czech Republic
| | - Romana Sulakova
- Contipro Biotech, Dolni Dobrouc 401, Dolni Dobrouc 561 02, Czech Republic
| | | | - Jana Vranova
- Charles University in Prague, Department of Medical Biophysics and Informatics, Third Faculty of Medicine, Ruska 87, 100 00 Prague 10, Czech Republic
| | - Vladimir Velebny
- Contipro Biotech, Dolni Dobrouc 401, Dolni Dobrouc 561 02, Czech Republic
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31
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Fukushima S, Furukawa T, Niioka H, Ichimiya M, Sannomiya T, Tanaka N, Onoshima D, Yukawa H, Baba Y, Ashida M, Miyake J, Araki T, Hashimoto M. Correlative near-infrared light and cathodoluminescence microscopy using Y2O3:Ln, Yb (Ln = Tm, Er) nanophosphors for multiscale, multicolour bioimaging. Sci Rep 2016; 6:25950. [PMID: 27185264 PMCID: PMC4869039 DOI: 10.1038/srep25950] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 04/20/2016] [Indexed: 12/15/2022] Open
Abstract
This paper presents a new correlative bioimaging technique using Y2O3:Tm, Yb and Y2O3:Er, Yb nanophosphors (NPs) as imaging probes that emit luminescence excited by both near-infrared (NIR) light and an electron beam. Under 980 nm NIR light irradiation, the Y2O3:Tm, Yb and Y2O3:Er, Yb NPs emitted NIR luminescence (NIRL) around 810 nm and 1530 nm, respectively, and cathodoluminescence at 455 nm and 660 nm under excitation of accelerated electrons, respectively. Multimodalities of the NPs were confirmed in correlative NIRL/CL imaging and their locations were visualized at the same observation area in both NIRL and CL images. Using CL microscopy, the NPs were visualized at the single-particle level and with multicolour. Multiscale NIRL/CL bioimaging was demonstrated through in vivo and in vitro NIRL deep-tissue observations, cellular NIRL imaging, and high-spatial resolution CL imaging of the NPs inside cells. The location of a cell sheet transplanted onto the back muscle fascia of a hairy rat was visualized through NIRL imaging of the Y2O3:Er, Yb NPs. Accurate positions of cells through the thickness (1.5 mm) of a tissue phantom were detected by NIRL from the Y2O3:Tm, Yb NPs. Further, locations of the two types of NPs inside cells were observed using CL microscopy.
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Affiliation(s)
- S Fukushima
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - T Furukawa
- Institute for NanoScience Design, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - H Niioka
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - M Ichimiya
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan.,School of Engineering, The University of Shiga Prefecture, 2500 Hassaka-cho, Hikone, Shiga 522-8533, Japan
| | - T Sannomiya
- Department of Innovative and Engineered Materials, Tokyo Institute of Technology, 4259 Nagatsuta, Yokohama, Kanagawa 226-8503, Japan
| | - N Tanaka
- Quantitative Biology Center (QBiC), RIKEN, 1-3 Yamadaoka, Suita, Osaka 565-0874, Japan
| | - D Onoshima
- Institute of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.,ImPACT Research Center for Advanced Nanobiodevices, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - H Yukawa
- ImPACT Research Center for Advanced Nanobiodevices, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.,Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Y Baba
- Institute of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.,ImPACT Research Center for Advanced Nanobiodevices, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.,Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.,Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 2217-14, Hayashi-cho, Taka matsu 761-0395, Japan
| | - M Ashida
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - J Miyake
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - T Araki
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - M Hashimoto
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
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32
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Bansal A, Liu H, Jayakumar MKG, Andersson-Engels S, Zhang Y. Quasi-Continuous Wave Near-Infrared Excitation of Upconversion Nanoparticles for Optogenetic Manipulation of C. elegans. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:1732-43. [PMID: 26849846 DOI: 10.1002/smll.201503792] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 01/13/2016] [Indexed: 05/20/2023]
Abstract
Optogenetics is an emerging powerful tool to investigate workings of the nervous system. However, the use of low tissue penetrating visible light limits its therapeutic potential. Employing deep penetrating near-infrared (NIR) light for optogenetics would be beneficial but it cannot be used directly. This issue can be tackled with upconversion nanoparticles (UCNs) acting as nanotransducers emitting at shorter wavelengths extending to the UV range upon NIR light excitation. Although attractive, implementation of such NIR-optogenetics is hindered by the low UCN emission intensity that necessitates high NIR excitation intensities, resulting in overheating issues. A novel quasi-continuous wave (quasi-CW) excitation approach is developed that significantly enhances multiphoton emissions from UCNs, and for the first time NIR light-triggered optogenetic manipulations are implemented in vitro and in C. elegans. The approach developed here enables the activation of channelrhodopsin-2 with a significantly lower excitation power and UCN concentration along with negligible phototoxicity as seen with CW excitation, paving the way for therapeutic optogenetics.
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Affiliation(s)
- Akshaya Bansal
- Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, 117583, Singapore
- NUS Graduate School for Integrative Sciences & Engineering, National University of Singapore, 117456, Singapore
| | - Haichun Liu
- Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, 117583, Singapore
| | | | - Stefan Andersson-Engels
- Biophotonics Group, Department of Physics, Lund University, P.O. Box 118, SE-22100, Lund, Sweden
| | - Yong Zhang
- Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, 117583, Singapore
- NUS Graduate School for Integrative Sciences & Engineering, National University of Singapore, 117456, Singapore
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33
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Huang K, Idris NM, Zhang Y. Engineering of Lanthanide-Doped Upconversion Nanoparticles for Optical Encoding. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:836-852. [PMID: 26681103 DOI: 10.1002/smll.201502722] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 10/28/2015] [Indexed: 06/05/2023]
Abstract
Lanthanide-doped upconversion nanoparticles (UCNPs) are an emerging class of luminescent materials that emit UV or visible light under near infra-red (NIR) excitations, thereby possessing a large anti-Stokes shift property. Due to their sharp excitation and emission bands, excellent photo- and chemical stability, low autofluorescence, and high tissue penetration depth of the NIR light used for excitation, UCNPs have surpassed conventional fluorophores in many bioapplications. A better understanding of the mechanism of upconversion, as well as the development of better approaches to preparing UCNPs, have provided more opportunities to explore their use for optical encoding, which has the potential for applications in multiplex detection and imaging. With the current ability to precisely control the microstructure and properties of UCNPs to produce particles of tunable emission, excitation, luminescence lifetime, and size, various strategies for optical encoding based on UCNPs can now be developed. These optical properties of UCNPs (such as emission and excitation wavelengths, ratiometric intensity, luminescence lifetime, and multicolor patterns), and the strategies employed to engineer these properties for optical encoding of UCNPs through homogeneous ion doping, heterogeneous structure fabrication and microbead encapsulation are reviewed. The challenges and potential solutions faced by UCNP optical encoding are also discussed.
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Affiliation(s)
- Kai Huang
- Department of Biomedical Engineering, National University of Singapore, 117575, Singapore
| | - Niagara Muhammad Idris
- Department of Biomedical Engineering, National University of Singapore, 117575, Singapore
| | - Yong Zhang
- Department of Biomedical Engineering, National University of Singapore, 117575, Singapore
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34
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Zhao Y, Zhan Q, Liu J, He S. Optically investigating Nd(3+)-Yb(3+) cascade sensitized upconversion nanoparticles for high resolution, rapid scanning, deep and damage-free bio-imaging. BIOMEDICAL OPTICS EXPRESS 2015; 6:838-48. [PMID: 25798308 PMCID: PMC4361438 DOI: 10.1364/boe.6.000838] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 01/27/2015] [Accepted: 02/06/2015] [Indexed: 05/08/2023]
Abstract
The rapid development of upconversion nanoparticles (UCNPs) has been facing with a great challenge: intense emission, fast scanning, and deep imaging require high-power light irradiation with minimized heating effect (the intrinsic 975-nm excitation of Yb(3+)-sensitized UCNPs have overheating problem). By shifting the excitation peak from 975 nm to 795 nm, Nd(3+)-Yb(3+) cascade sensitized upconversion nanoparticles (Nd-UCNPs) with minimized heating effect were reported as the new generation UCNPs. For the first time, within two optically modeled applications in vitro and in vivo, the damage outcomes under long time high power laser excitation were solidly calculated, complementing the damage-free study of Nd-UCNPs. The higher resolution (20% improvement) and five times faster scanning microscopy were successfully performed using Nd-UCNPs under safety laser power level. The computational results showed the Nd(3+)-Yb(3+) energy transfer efficiency would not compromise the deep imaging ability, and the red (650-nm) emission is worth to be enhanced for deep tissue imaging.
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Affiliation(s)
- Yuxiang Zhao
- SCNU-ZJU Joint Research Center of Photonics, South China Academy of Advanced Optoelectronics, South China Normal University (SCNU), 510006 Guangzhou,
China
| | - Qiuqiang Zhan
- SCNU-ZJU Joint Research Center of Photonics, South China Academy of Advanced Optoelectronics, South China Normal University (SCNU), 510006 Guangzhou,
China
| | - Jing Liu
- SCNU-ZJU Joint Research Center of Photonics, South China Academy of Advanced Optoelectronics, South China Normal University (SCNU), 510006 Guangzhou,
China
| | - Sailing He
- SCNU-ZJU Joint Research Center of Photonics, South China Academy of Advanced Optoelectronics, South China Normal University (SCNU), 510006 Guangzhou,
China
- Centre for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentations, Zhejiang University (ZJU), Hangzhou 310058,
China
- Department of Electromagnetic Engineering, Royal Institute of Technology, 10044 Stockholm,
Sweden
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35
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Ge W, Li Z, Lei Z, Chen T, Fu Z, Peng R, Liu M, Lu Y. Synthesis of hexagonal phase Gd2O2CO3:Yb3+, Er3+upconversion nanoparticles via SiO2coating and Nd3+doping. CrystEngComm 2015. [DOI: 10.1039/c5ce00869g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Liu X, Deng R, Zhang Y, Wang Y, Chang H, Huang L, Liu X. Probing the nature of upconversion nanocrystals: instrumentation matters. Chem Soc Rev 2015; 44:1479-508. [DOI: 10.1039/c4cs00356j] [Citation(s) in RCA: 165] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Understanding upconversion nanocrystals: this review intends to summarize instrumental matters related to the characterization of upconversion nanocrystals from surface structures to intrinsic properties to ultimate challenges in nanocrystal analysis at single-particle levels.
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Affiliation(s)
- Xiaowang Liu
- Department of Chemistry
- Faculty of Science
- National University of Singapore
- Singapore 117543
| | - Renren Deng
- Department of Chemistry
- Faculty of Science
- National University of Singapore
- Singapore 117543
| | - Yuhai Zhang
- Department of Chemistry
- Faculty of Science
- National University of Singapore
- Singapore 117543
| | - Yu Wang
- Department of Chemistry
- Faculty of Science
- National University of Singapore
- Singapore 117543
| | - Hongjin Chang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials
- National Jiangsu Synergistic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- China
| | - Ling Huang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials
- National Jiangsu Synergistic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- China
| | - Xiaogang Liu
- Department of Chemistry
- Faculty of Science
- National University of Singapore
- Singapore 117543
- Institute of Materials Research and Engineering
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37
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Chan EM. Combinatorial approaches for developing upconverting nanomaterials: high-throughput screening, modeling, and applications. Chem Soc Rev 2015; 44:1653-79. [DOI: 10.1039/c4cs00205a] [Citation(s) in RCA: 151] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This review surveys the use of combinatorial and high-throughput techniques for the rapid discovery, optimization, and application of upconverting nanomaterials.
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Affiliation(s)
- Emory M. Chan
- The Molecular Foundry
- Lawrence Berkeley National Laboratory
- Berkeley
- USA
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38
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Zheng W, Huang P, Tu D, Ma E, Zhu H, Chen X. Lanthanide-doped upconversion nano-bioprobes: electronic structures, optical properties, and biodetection. Chem Soc Rev 2015; 44:1379-415. [DOI: 10.1039/c4cs00178h] [Citation(s) in RCA: 653] [Impact Index Per Article: 72.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The latest advances in lanthanide-doped upconversion nanoparticles were comprehensively reviewed, which covers from their fundamental photophysics to biodetection.
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Affiliation(s)
- Wei Zheng
- Key Laboratory of Optoelectronic Materials Chemistry and Physics
- and Key Laboratory of Design and Assembly of Functional Nanostructures
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
| | - Ping Huang
- Key Laboratory of Optoelectronic Materials Chemistry and Physics
- and Key Laboratory of Design and Assembly of Functional Nanostructures
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
| | - Datao Tu
- Key Laboratory of Optoelectronic Materials Chemistry and Physics
- and Key Laboratory of Design and Assembly of Functional Nanostructures
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
| | - En Ma
- Key Laboratory of Optoelectronic Materials Chemistry and Physics
- and Key Laboratory of Design and Assembly of Functional Nanostructures
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
| | - Haomiao Zhu
- Key Laboratory of Optoelectronic Materials Chemistry and Physics
- and Key Laboratory of Design and Assembly of Functional Nanostructures
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
| | - Xueyuan Chen
- Key Laboratory of Optoelectronic Materials Chemistry and Physics
- and Key Laboratory of Design and Assembly of Functional Nanostructures
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
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39
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Chen G, Ågren H, Ohulchanskyy TY, Prasad PN. Light upconverting core–shell nanostructures: nanophotonic control for emerging applications. Chem Soc Rev 2015; 44:1680-713. [DOI: 10.1039/c4cs00170b] [Citation(s) in RCA: 435] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Nanophotonic control of light upconversion in the hierarchical core–shell nanostructures, their biomedical, solar energy and security encoding applications were reviewed.
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Affiliation(s)
- Guanying Chen
- Institute for Lasers, Photonics, and Biophotonics and Department of Chemistry
- University at Buffalo
- State University of New York
- Buffalo
- USA
| | - Hans Ågren
- Department of Theoretical Chemistry & Biology
- Royal Institute of Technology
- S-10691 Stockholm
- Sweden
| | - Tymish Y. Ohulchanskyy
- Institute for Lasers, Photonics, and Biophotonics and Department of Chemistry
- University at Buffalo
- State University of New York
- Buffalo
- USA
| | - Paras N. Prasad
- Institute for Lasers, Photonics, and Biophotonics and Department of Chemistry
- University at Buffalo
- State University of New York
- Buffalo
- USA
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40
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Liu H, Xu CT, Andersson-Engels S. Potential of multi-photon upconversion emissions for fluorescence diffuse optical imaging. OPTICS EXPRESS 2014; 22:17782-17790. [PMID: 25089399 DOI: 10.1364/oe.22.017782] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The spatial resolution of fluorescence molecular imaging is a critical issue for the success of the technique in biomedical applications. One important method for increasing the imaging resolution is to utilize multi-photon emissions. In this study, we thoroughly investigate the potential of the multi-photon upconversion emissions from rare-earth-doped upconverting nanoparticles for the improvement in spatial resolution of diffuse optical imaging. It is found that the imaging resolution is increased by a factor of 1.45 through employing two-photon upconversion emission compared with using the linear emission, and can be further elevated by a factor of 1.23 by using three-photon upconversion emission. In addition, we demonstrate that the pulsed excitation approach holds the promise of overcoming the low quantum yield associated with the high-order upconversion emissions.
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41
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Choyke PL. Science to practice: percutaneous biopsies in the NIR future--will fluorescence guide the way? Radiology 2014; 271:623-4. [PMID: 24848955 DOI: 10.1148/radiol.14140344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Sheth et al present a fascinating glimpse into the future of imaging-guided biopsies. Increasingly, such biopsies are being performed by fusing two or more modalities, such as computed tomography (CT) and ultrasonography (US). To this list should be added optical fluorescence guidance, which will complement all the advances hitherto developed for conventional imaging guidance. Similar progress is being made in the fields of endoscopy and surgery, and it is becoming clearer that optical fluorescence may light the path for many medical procedures in the "NIR," or near-infrared, future.
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Affiliation(s)
- Peter L Choyke
- Molecular Imaging Program, National Cancer Institute National Institutes of Health 10 Center Dr, MSC 1182 Building 10, Room B3B69F Bethesda, MD 20892
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