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Cui Y, Ho M, Hu Y, Shi Y. Vaccine adjuvants: current status, research and development, licensing, and future opportunities. J Mater Chem B 2024; 12:4118-4137. [PMID: 38591323 PMCID: PMC11180427 DOI: 10.1039/d3tb02861e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Vaccines represent one of the most significant inventions in human history and have revolutionized global health. Generally, a vaccine functions by triggering the innate immune response and stimulating antigen-presenting cells, leading to a defensive adaptive immune response against a specific pathogen's antigen. As a key element, adjuvants are chemical materials often employed as additives to increase a vaccine's efficacy and immunogenicity. For over 90 years, adjuvants have been essential components in many human vaccines, improving their efficacy by enhancing, modulating, and prolonging the immune response. Here, we provide a timely and comprehensive review of the historical development and the current status of adjuvants, covering their classification, mechanisms of action, and roles in different vaccines. Additionally, we perform systematic analysis of the current licensing processes and highlights notable examples from clinical trials involving vaccine adjuvants. Looking ahead, we anticipate future trends in the field, including the development of new adjuvant formulations, the creation of innovative adjuvants, and their integration into the broader scope of systems vaccinology and vaccine delivery. The article posits that a deeper understanding of biochemistry, materials science, and vaccine immunology is crucial for advancing vaccine technology. Such advancements are expected to lead to the future development of more effective vaccines, capable of combating emerging infectious diseases and enhancing public health.
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Affiliation(s)
- Ying Cui
- Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, CA 90095, USA.
| | - Megan Ho
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
| | - Yongjie Hu
- Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, CA 90095, USA.
| | - Yuan Shi
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA.
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Synergistic anti-tumor efficacy of a hollow mesoporous silica-based cancer vaccine and an immune checkpoint inhibitor at the local site. Acta Biomater 2022; 145:235-245. [PMID: 35398544 DOI: 10.1016/j.actbio.2022.04.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 03/14/2022] [Accepted: 04/01/2022] [Indexed: 02/06/2023]
Abstract
Immune checkpoint inhibitors elicit durable tumor regression in multiple types of tumor, but may induce potential side effects with low response rates in many tumors. Herein, to increase the therapeutic efficacy of immune checkpoint inhibitors, a hollow mesoporous silica (HMS) nanosphere-based cancer vaccine was combined with an immune checkpoint inhibitor, anti-programmed death-ligand 1 (anti-PD-L1) antibody. The HMS nanospheres function as adjuvants that promote dendritic cell activation and antigen cross-presentation. Mice immunized with the HMS-based cancer vaccine show suppressed tumor growth with increased tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-2 (IL-2) levels in their spleens compared with those without HMS-based cancer vaccine. Moreover, the HMS-based cancer vaccine synergistically acts with the anti-PD-L1 antibody on the tumor. The combination of an HMS-based cancer vaccine and an antibody markedly decreases the required dose of the immune checkpoint inhibitor. Mice locally administered with the HMS-based cancer vaccine and 1/8 dose of a standard anti-PD-L1 antibody (25 µg/mouse) show comparable anti-tumor effect and significantly increased CD4+ and CD8+ T cell populations, compared with those systemically immunized with the standard anti-PD-L1 antibody done at 200 µg/mouse. Our work presents a promising cancer treatment strategy of combining an immune checkpoint inhibitor with an HMS-based cancer vaccine. STATEMENT OF SIGNIFICANCE: The clinical benefits of checkpoint blockade therapy rekindle the hope of cancer immunotherapy. However, objective response rates in checkpoint blockade therapy remain at about 10-40% owing to multiple immunosuppressive factors. To solve these problems, herein, a hollow mesoporous silica (HMS) nanosphere-based cancer vaccine was combined with an immune checkpoint inhibitor, anti-PD-L1 antibody. The HMS-based cancer vaccine synergistically acts with the anti-PD-L1 antibody on the tumor. Mice locally administered with the HMS-based cancer vaccine and 1/8 dose of a standard anti-PD-L1 antibody (25 µg/mouse) show comparable anti-tumor effect and significantly increased CD4+ and CD8+ T cell populations, compared with those systemically immunized with the standard anti-PD-L1 antibody done at 200 µg/mouse. Our work presents a promising cancer treatment strategy of combining an immune checkpoint inhibitor with an HMS-based cancer vaccine.
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Zhu G, Yang YG, Sun T. Engineering Optimal Vaccination Strategies: Effects of Physical Properties of the Delivery System on Functions. Biomater Sci 2022; 10:1408-1422. [PMID: 35137771 DOI: 10.1039/d2bm00011c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
With rapid developments in medical science and technology, vaccinations have become the key to solving public health problems. Various diseases can be prevented by vaccinations, which mimic a disease by...
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Affiliation(s)
- Ge Zhu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, Jilin, China.
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, Jilin, China
| | - Yong-Guang Yang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, Jilin, China.
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, Jilin, China
- International Center of Future Science, Jilin University, Changchun, Jilin, China
| | - Tianmeng Sun
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, Jilin, China.
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, Jilin, China
- International Center of Future Science, Jilin University, Changchun, Jilin, China
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Song C, Li F, Wang S, Wang J, Wei W, Ma G. Recent Advances in Particulate Adjuvants for Cancer Vaccination. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900115] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Cui Song
- State Key Laboratory of Biochemical EngineeringInstitute of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Feng Li
- State Key Laboratory of Biochemical EngineeringInstitute of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Shuang Wang
- State Key Laboratory of Biochemical EngineeringInstitute of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
| | - Jianghua Wang
- State Key Laboratory of Biochemical EngineeringInstitute of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Wei Wei
- State Key Laboratory of Biochemical EngineeringInstitute of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Guanghui Ma
- State Key Laboratory of Biochemical EngineeringInstitute of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
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Li X, Wang X, Ito A. Tailoring inorganic nanoadjuvants towards next-generation vaccines. Chem Soc Rev 2018; 47:4954-4980. [PMID: 29911725 DOI: 10.1039/c8cs00028j] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Vaccines, one of the most effective and powerful public health measures, have saved countless lives over the past century and still have a tremendous global impact. As an indispensable component of modern vaccines, adjuvants play a critical role in strengthening and/or shaping a specific immune response against infectious diseases as well as malignancies. The application of nanotechnology provides the possibility of precisely tailoring the building blocks of nanoadjuvants towards modern vaccines with the desired immune response. The last decade has witnessed great academic progress in inorganic nanomaterials for vaccine adjuvants in terms of nanometer-scale synthesis, structure control, and functionalization design. Inorganic adjuvants generally facilitate the delivery of antigens, allowing them to be released in a sustained manner, enhance immunogenicity, deliver antigens efficiently to specific targets, and induce a specific immune response. In particular, the recent discovery of the intrinsic immunomodulatory function of inorganic nanomaterials further allows us to shape the immune response towards the desired type and increase the efficacy of vaccines. In this article, we comprehensively review state-of-the-art research on the use of inorganic nanomaterials as vaccine adjuvants. Attention is focused on the physicochemical properties of versatile inorganic nanoadjuvants, such as composition, size, morphology, shape, hydrophobicity, and surface charge, to effectively stimulate cellular immunity, considering that the clinically used alum adjuvants can only induce strong humoral immunity. In addition, the efforts made to date to expand the application of inorganic nanoadjuvants in cancer vaccines are summarized. Finally, we discuss the future prospects and our outlook on tailoring inorganic nanoadjuvants towards next-generation vaccines.
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Affiliation(s)
- Xia Li
- Health Research Institute, Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
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Li X, Shenashen MA, Wang X, Ito A, Taniguchi A, EI-Safty SA. Mesoporous Caged-γ-AlOOH-Double-Stranded RNA Analog Complexes for Cancer Immunotherapy. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/adbi.201700114] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Xia Li
- 1 Research Center for Functional Materials; National Institute for Materials Science; 1-2-1 Sengen Tuskuba Ibaraki 305-0047 Japan
| | - Mohamed A. Shenashen
- 1 Research Center for Functional Materials; National Institute for Materials Science; 1-2-1 Sengen Tuskuba Ibaraki 305-0047 Japan
| | - Xiupeng Wang
- Human Technology Research Institute; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Atsuo Ito
- Human Technology Research Institute; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Akiyoshi Taniguchi
- Cellular Functional Nanomaterials Group; Research Center for Functional Materials; National Institute for Materials Science; 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Sherif A. EI-Safty
- 1 Research Center for Functional Materials; National Institute for Materials Science; 1-2-1 Sengen Tuskuba Ibaraki 305-0047 Japan
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Wang X, Li X, Yoshiyuki K, Watanabe Y, Sogo Y, Ohno T, Tsuji NM, Ito A. Comprehensive Mechanism Analysis of Mesoporous-Silica-Nanoparticle-Induced Cancer Immunotherapy. Adv Healthc Mater 2016; 5:1169-76. [PMID: 26987867 DOI: 10.1002/adhm.201501013] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 01/26/2016] [Indexed: 01/01/2023]
Abstract
A plain mesoporous silica nanoparticle without any immunomodulatory molecules significantly enhances anticancer immunity in vivo. Comprehensive mechanism of mesoporous-silica-nanoparticle-induced cancer immunotherapy is analyzed in this paper. The mesoporous silica nanoparticle promotes both Th1 and Th2 immune responses, as it accelerates lymphocytes proliferation, stimulates IFN-γ, IL-2, IL-4, and IL-10 cytokine secretion by lymphocytes ex vivo, and increases IgG, IgG1, IgG2a, IgM, and IgA antibody titers in mice serum compared with those of alum and adjuvant-free groups. Moreover, the mesoporous silica nanoparticle enhances effector memory CD4(+) and CD8(+) T cell populations in three most important immune organs (bone marrow, lymph node, and spleen) of mice compared with those of alum and adjuvant-free groups three months after adjuvant injection. The present study paves the way for the application of mesoporous silica nanoparticle as immunoadjuvant for cancer immunotherapy.
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Affiliation(s)
- Xiupeng Wang
- Health Research Institute; Department of Life Science and Biotechnology; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Xia Li
- Health Research Institute; Department of Life Science and Biotechnology; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Kazuko Yoshiyuki
- Health Research Institute; Department of Life Science and Biotechnology; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Yohei Watanabe
- Biomedical Research Institute; Department of Life Science and Biotechnology; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Yu Sogo
- Health Research Institute; Department of Life Science and Biotechnology; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Tadao Ohno
- School of Life Dentistry at Tokyo; The Nippon Dental University; Fujimi Chiyoda-ku Tokyo 102-0071 Japan
| | - Noriko M. Tsuji
- Biomedical Research Institute; Department of Life Science and Biotechnology; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
| | - Atsuo Ito
- Health Research Institute; Department of Life Science and Biotechnology; National Institute of Advanced Industrial Science and Technology (AIST); Central 6, 1-1-1 Higashi Tsukuba Ibaraki 305-8566 Japan
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Wang X, Li X, Ito A, Watanabe Y, Sogo Y, Hirose M, Ohno T, Tsuji NM. Rod-shaped and substituted hydroxyapatite nanoparticles stimulating type 1 and 2 cytokine secretion. Colloids Surf B Biointerfaces 2016; 139:10-6. [DOI: 10.1016/j.colsurfb.2015.12.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 11/29/2015] [Accepted: 12/01/2015] [Indexed: 01/28/2023]
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Wang X, Li X, Ito A, Watanabe Y, Tsuji NM. Rod-shaped and fluorine-substituted hydroxyapatite free of molecular immunopotentiators stimulates anti-cancer immunity in vivo. Chem Commun (Camb) 2016; 52:7078-81. [DOI: 10.1039/c6cc02848a] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Rod-shaped and fluorine-substituted hydroxyapatite nanoparticles significantly increased the cellular uptake of a model antigen by BMDCs, improved antigen presentation, stimulated immune-related cytokine secretion, and enhanced the anti-cancer immunity.
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Affiliation(s)
- Xiupeng Wang
- Health Research Institute
- Department of Life Science and Biotechnology
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
| | - Xia Li
- Health Research Institute
- Department of Life Science and Biotechnology
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
| | - Atsuo Ito
- Health Research Institute
- Department of Life Science and Biotechnology
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
| | - Yohei Watanabe
- Immune Homeostasis Lab
- Biomedical Research Institute
- Department of Life Science and Biotechnology
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
| | - Noriko M. Tsuji
- Immune Homeostasis Lab
- Biomedical Research Institute
- Department of Life Science and Biotechnology
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
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Wang X, Li X, Onuma K, Sogo Y, Ohno T, Ito A. Zn- and Mg- containing tricalcium phosphates-based adjuvants for cancer immunotherapy. Sci Rep 2014; 3:2203. [PMID: 23857555 PMCID: PMC3712317 DOI: 10.1038/srep02203] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Accepted: 06/27/2013] [Indexed: 12/24/2022] Open
Abstract
Zn-, and Mg-containing tricalcium phosphates (TCPs) loaded with a hydrothermal extract of a human tubercle bacillus (HTB) were prepared by immersing Zn-TCP and Mg-TCP in HTB-containing supersaturated calcium phosphate solutions. The in vitro and in vivo immunogenic activities of the HTB-loaded Zn-, and Mg-TCPs (Zn-Ap-HTB and Mg-Ap-HTB, respectively) were evaluated as potential immunopotentiating adjuvants for cancer immunotherapy. The Zn-Ap-HTB and Mg-Ap-HTB adjuvants showed no obvious cytotoxicity and more effectively stimulated granulocyte-macrophage colony-stimulating factor (GM-CSF) secretion by macrophage-like cells than unprocessed HTB or HTB-loaded TCP (T-Ap-HTB) in vitro. Zn-Ap-HTB and Mg-Ap-HTB mixed with liquid-nitrogen-treated tumor tissue markedly inhibited the in vivo development of rechallenged Lewis lung carcinoma (LLC) cells compared with T-Ap-HTB and the unprocessed HTB mixed liquid-nitrogen-treated tumor tissue. Zn-Ap-HTB and Mg-Ap-HTB contributed to eliciting potent systemic antitumor immunity in vivo.
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Affiliation(s)
- Xiupeng Wang
- Human Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan.
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Chen Y, Ai K, Liu Y, Lu L. Tailor-made charge-conversional nanocomposite for pH-responsive drug delivery and cell imaging. ACS APPLIED MATERIALS & INTERFACES 2014; 6:655-663. [PMID: 24308443 DOI: 10.1021/am404761h] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Imaging labels, therapeutic drugs, as well as many other agents can all be integrated into one nanoplatform to allow for molecular imaging and therapy. With this in mind, herein we report the first example of a tailor-made charge-conversional nanocomposite composed of mesoporous γ-AlO(OH) and upconversion nanoparticles (UCNPs) via a simple and versatile method, and the obtained nanocomposite could be performed as a drug delivery carrier and applied for cell imaging. The nanocomposite (UCNPs-Al) was found to be able to efficiently transport DOX, a typical chemotherapeutic anticancer drug, into the cancer cell and release DOX from UCNPs-Al triggering by the mildly acidic environment. In vitro cell cytotoxicity assay verified that DOX-loaded nanocomposites (UCNPs-Al-DOX) exhibited greater cytotoxicity with respect to free DOX at the same concentrations, because of the increase in cell uptake of anti-cancer drug delivery vehicles mediated by the charge-conversional property. Moreover, the UCL emission from UCNPs and the red fluorescence of DOX allow the nanocomposite to track and monitor the drug delivery system simultaneously. These findings have opened up new insights into designing and producing the highly versatile multifunctional nanoparticles for simultaneous imaging and therapeutic applications.
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Affiliation(s)
- Yan Chen
- State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , 5625 Renmin Street, Changchun 130022, P. R. China
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Wang X, Li X, Ito A, Sogo Y, Ohno T. Pore size-dependent immunogenic activity of mesoporous silica-based adjuvants in cancer immunotherapy. J Biomed Mater Res A 2013; 102:967-74. [DOI: 10.1002/jbm.a.34783] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 04/29/2013] [Accepted: 04/29/2013] [Indexed: 01/09/2023]
Affiliation(s)
- Xiupeng Wang
- Human Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Ibaraki 305-8566 Japan
| | - Xia Li
- Human Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Ibaraki 305-8566 Japan
| | - Atsuo Ito
- Human Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Ibaraki 305-8566 Japan
| | - Yu Sogo
- Human Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Ibaraki 305-8566 Japan
| | - Tadao Ohno
- Department of Resources and Environmental Engineering; School of Science and Engineering, Waseda University; Shinjuku-ku Tokyo 169-8555 Japan
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