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Yamaguchi S, Chujo K, Ohashi N, Minamihata K, Nagamune T. Photo‐Degradable Protein‐Polymer Hybrid Shells for Caging Living Cells. Chemistry 2022; 28:e202103941. [DOI: 10.1002/chem.202103941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Indexed: 11/08/2022]
Affiliation(s)
- Satoshi Yamaguchi
- Research Center for Advanced Science and Technology The University of Tokyo 4-6-1 Komaba, Meguro-ku Tokyo 153–8904 Japan
| | - Kazuki Chujo
- Department of Chemistry and Biotechnology The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113–8656 Japan
| | - Noriyuki Ohashi
- Department of Chemistry and Biotechnology The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113–8656 Japan
| | - Kosuke Minamihata
- Department of Applied Chemistry Graduate School of Engineering Kyushu University 744 Moto-oka Fukuoka 819–0395 Japan
| | - Teruyuki Nagamune
- Department of Chemistry and Biotechnology The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113–8656 Japan
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2
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Advances in Functionalized Photosensitive Polymeric Nanocarriers. Polymers (Basel) 2021; 13:polym13152464. [PMID: 34372067 PMCID: PMC8348146 DOI: 10.3390/polym13152464] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 06/30/2021] [Accepted: 07/01/2021] [Indexed: 02/06/2023] Open
Abstract
The synthesis of light-responsive nanocarriers (LRNs) with a variety of surface functional groups and/or ligands has been intensively explored for space-temporal controlled cargo release. LRNs have been designed on demand for photodynamic-, photothermal-, chemo-, and radiotherapy, protected delivery of bioactive molecules, such as smart drug delivery systems and for theranostic duties. LRNs trigger the release of cargo by a light stimulus. The idea of modifying LRNs with different moieties and ligands search for site-specific cargo delivery imparting stealth effects and/or eliciting specific cellular interactions to improve the nanosystems’ safety and efficacy. This work reviews photoresponsive polymeric nanocarriers and photo-stimulation mechanisms, surface chemistry to link ligands and characterization of the resultant nanosystems. It summarizes the interesting biomedical applications of functionalized photo-controlled nanocarriers, highlighting the current challenges and opportunities of such high-performance photo-triggered delivery systems.
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3
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Rewritable superhemophobic and superhemophilic wettability pattern based on titanium dioxide with Ag loading. INORG CHEM COMMUN 2018. [DOI: 10.1016/j.inoche.2018.07.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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4
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Sumaru K, Takagi T, Morishita K, Kanamori T. Photoresponsive Aqueous Dissolution of Poly(N-Isopropylacrylamide) Functionalized with o-Nitrobenzaldehyde through Phase Transition. Biomacromolecules 2018; 19:2913-2922. [DOI: 10.1021/acs.biomac.8b00470] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kimio Sumaru
- Biotechnology Research Institute for Drug Discovery (BRD), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5th, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Toshiyuki Takagi
- Biotechnology Research Institute for Drug Discovery (BRD), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5th, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Kana Morishita
- Biotechnology Research Institute for Drug Discovery (BRD), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5th, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Toshiyuki Kanamori
- Biotechnology Research Institute for Drug Discovery (BRD), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5th, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
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5
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Pang Q, Zheng X, Luo Y, Ma L, Gao C. A photo-cleavable polyprodrug-loaded wound dressing with UV-responsive antibacterial property. J Mater Chem B 2017; 5:8975-8982. [DOI: 10.1039/c7tb01696d] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A wound dressing with UV-responsive antibacterial property was prepared by loading a photo-cleavable polyprodrug (LHP) into poly(vinyl alcohol)/sodium alginate (PVA/SA) wound dressing to overcome the overuse of antibiotics.
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Affiliation(s)
- Qian Pang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Xiaowen Zheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Yu Luo
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Lie Ma
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
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6
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Nakanishi J. Photoactivatable Substrates: A Material-Based Approach for Dissecting Cell Migration. CHEM REC 2016; 17:611-621. [DOI: 10.1002/tcr.201600090] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Jun Nakanishi
- International Center for Materials Nanoarchitectonics (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba 305-0044 Japan
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7
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Tahara Y, Ito M, Kanyiva KS, Shibata T. Total Synthesis of
cis
‐Clavicipitic Acid from Asparagine via Ir‐Catalyzed CH bond Activation as a Key Step. Chemistry 2015; 21:11340-3. [DOI: 10.1002/chem.201502300] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Yu‐ki Tahara
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo 169‐8555(Japan)
| | - Mamoru Ito
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo 169‐8555(Japan)
| | - Kyalo Stephen Kanyiva
- International Center for Science and Engineering Programs (ICSEP), Waseda University, Shinjuku, Tokyo 169‐8555 (Japan)
| | - Takanori Shibata
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo 169‐8555(Japan)
- ACT‐C (Japan) Science and Technology Agency (JST), 4‐1‐8 Honcho Kawaguchi, Saitama, 332‐0012 (Japan)
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8
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Nishiguchi A, Matsusaki M, Miyagawa S, Sawa Y, Akashi M. Dynamic nano-interfaces enable harvesting of functional 3D-engineered tissues. Adv Healthc Mater 2015; 4:1164-8. [PMID: 25728509 DOI: 10.1002/adhm.201500065] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Indexed: 12/11/2022]
Abstract
Functional 3D-engineered tissues are successfully harvested from a substrate using stimuli-responsive hydrogel films with dynamic nano-interface. The dynamic wettability control at the interfaces allows cellular detachment, leading to tissue harvesting without serious damage and remaining polymers. This method can be applied to various types of organs and used for tissue transplantation in regenerative medicine.
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Affiliation(s)
- Akihiro Nishiguchi
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Osaka 565-0871 Japan
| | - Michiya Matsusaki
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Osaka 565-0871 Japan
| | - Shigeru Miyagawa
- Department of Surgery; Division of Cardiovascular Surgery; Graduate School of Medicine; Osaka University; 2-2 Yamada-oka Suita Osaka 565-0087 Japan
| | - Yoshiki Sawa
- Department of Surgery; Division of Cardiovascular Surgery; Graduate School of Medicine; Osaka University; 2-2 Yamada-oka Suita Osaka 565-0087 Japan
| | - Mitsuru Akashi
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Osaka 565-0871 Japan
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9
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Yamahira S, Yamaguchi S, Kawahara M, Nagamune T. Collagen surfaces modified with photo-cleavable polyethylene glycol-lipid support versatile single-cell arrays of both non-adherent and adherent cells. Macromol Biosci 2014; 14:1670-6. [PMID: 25195937 DOI: 10.1002/mabi.201400312] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 07/25/2014] [Indexed: 11/09/2022]
Abstract
Cell patterning on photo-responsive materials are a promising tool for preparing unique single-cell arrays. However, most conventional single-cell arrays on such smart materials can be applied only to adherent cells and limit cellular functions such as extension and migration within the patterned adhesive surfaces. In this study, a versatile single cell array that works with both non-adherent and adherent cells was constructed using a photo-cleavable polyethylene glycol (PEG)-lipid/collagen surface. On this single-cell array, cells behaved similar to their native functions without limitation from the patterned surface. Furthermore, quantitative imaging analyses of cellular motility and morphological changes were performed in a high-throughput manner.
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Affiliation(s)
- Shinya Yamahira
- Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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Shin DS, You J, Rahimian A, Vu T, Siltanen C, Ehsanipour A, Stybayeva G, Sutcliffe J, Revzin A. Photodegradable hydrogels for capture, detection, and release of live cells. Angew Chem Int Ed Engl 2014; 53:8221-4. [PMID: 24931301 PMCID: PMC4380505 DOI: 10.1002/anie.201404323] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Indexed: 12/29/2022]
Abstract
Cells may be captured and released using a photodegradable hydrogel (photogel) functionalized with antibodies. Photogel substrates were used to first isolate human CD4 or CD8 T-cells from a heterogeneous cell suspension and then to release desired cells or groups of cells by UV-induced photodegradation. Flow cytometry analysis of the retrieved cells revealed approximately 95% purity of CD4 and CD8 T-cells, suggesting that this substrate had excellent specificity. To demonstrate the possibility of sorting cells according to their function, photogel substrates that were functionalized with anti-CD4 and anti-TNF-α antibodies were prepared. Single cells captured and stimulated on such substrates were identified by the fluorescence "halo" after immunofluorescent staining and could be retrieved by site-specific exposure to UV light through a microscope objective. Overall, it was demonstrated that functional photodegradable hydrogels enable the capture, analysis, and sorting of live cells.
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Affiliation(s)
- Dong-Sik Shin
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Jungmok You
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Ali Rahimian
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Tam Vu
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Christian Siltanen
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Arshia Ehsanipour
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Gulnaz Stybayeva
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Julie Sutcliffe
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
- Division of Hematology/Oncology, Department of Internal Medicine, Center for Molecular and Genomic Imaging, University of California, Davis, Davis, CA 95616 (USA)
| | - Alexander Revzin
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
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Shin DS, You J, Rahimian A, Vu T, Siltanen C, Ehsanipour A, Stybayeva G, Sutcliffe J, Revzin A. Photodegradable Hydrogels for Capture, Detection, and Release of Live Cells. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201404323] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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12
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Wang N, Zhang J, Sun L, Wang P, Liu W. Gene-modified cell detachment on photoresponsive hydrogels strengthened through hydrogen bonding. Acta Biomater 2014; 10:2529-38. [PMID: 24556449 DOI: 10.1016/j.actbio.2014.02.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 02/07/2014] [Accepted: 02/10/2014] [Indexed: 11/25/2022]
Abstract
Photoresponsive hydrogels are potentially useful as drug delivery and cell culture media, but there has been no report on manipulation of cell attachment/detachment and gene transfection simultaneously on the surface of this single gel. In the present study, strong light sensitive hydrogels were prepared mechanically by photoinitiated copolymerization of spiropyran-containing monomer, 2-vinyl-4,6-diamino-1,3,5-triazine, hydrogen bonding monomer, oligo(ethylene glycol) methacrylate and polyethylene glycol diacrylate (PEGDA, Mn=575). The multiple hydrogen bondings of diaminotriazine residues could contribute to the increase in compressive strengths of the photosensitive hydrogels up to 5.1MPa. UV (365nm) irradiation led to detachment of adhered cells as a result of the increased surface hydrophilicity caused by a switch from hydrophobic spiropyran to hydrophilic merocyanine form. Furthermore, selective detachment of cells could also be achieved by UV light illumination on the specified gel surface. Hydrogen bonding between diaminotriazines were shown to tightly anchor the PVDT/pDNA complex particles on the gel surface, where reverse gene transfection was achieved. Following up with UV irradiation triggered the unharmful detachment of gene-modified cells from the gel surface. It is envisioned that this photosensitive hydrogel holds potential as a versatile platform for operating gene delivery and controlled harvest of desired cells for tissue engineering.
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Brinkmann J, Cavatorta E, Sankaran S, Schmidt B, van Weerd J, Jonkheijm P. About supramolecular systems for dynamically probing cells. Chem Soc Rev 2014; 43:4449-69. [PMID: 24681633 DOI: 10.1039/c4cs00034j] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This article reviews the state of the art in the development of strategies for generating supramolecular systems for dynamic cell studies. Dynamic systems are crucial to further our understanding of cell biology and are consequently at the heart of many medical applications. Increasing interest has therefore been focused recently on rendering systems bioactive and dynamic that can subsequently be employed to engage with cells. Different approaches using supramolecular chemistry are reviewed with particular emphasis on their application in cell studies. We conclude with an outlook on future challenges for dynamic cell research and applications.
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Affiliation(s)
- Jenny Brinkmann
- MESA+ Institute for Nanotechnology and Department of Science and Technology, Laboratory Group of Bioinspired Molecular Engineering, University of Twente, P.O. Box 217, 7500 AE, Enschede, The Netherlands.
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14
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Nakanishi J. Switchable substrates for analyzing and engineering cellular functions. Chem Asian J 2013; 9:406-17. [PMID: 24339448 DOI: 10.1002/asia.201301325] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Indexed: 11/09/2022]
Abstract
Cellular activity is highly dependent on the extracellular environment, which is composed of surrounding cells and extracellular matrices. This focus review summarizes recent advances in chemically and physically engineered switchable substrates designed to control such cellular microenvironments by application of an external stimulus. Special attention is given to their molecular design, switching strategies, and representative examples for bioanalytical and biomedical applications.
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Affiliation(s)
- Jun Nakanishi
- WPI Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan).
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Sarkar S, Jana M, Narender T. Metal-Free DirectedorthoC-H Iodination: Synthesis of 2′-Iodobiaryl-2-carbonitriles. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300584] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Siltanen C, Shin DS, Sutcliffe J, Revzin A. Micropatterned photodegradable hydrogels for the sorting of microbeads and cells. Angew Chem Int Ed Engl 2013; 52:9224-8. [PMID: 23868693 PMCID: PMC4370904 DOI: 10.1002/anie.201303965] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Indexed: 01/03/2023]
Affiliation(s)
- Christian Siltanen
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Dong-Sik Shin
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Julie Sutcliffe
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
- Division of Hematology/Oncology, Department of Internal Medicine, Center for Molecular and Genomic Imaging, University of California Davis, Davis, CA 95616 (USA)
| | - Alexander Revzin
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
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Pauloehrl T, Welle A, Bruns M, Linkert K, Börner HG, Bastmeyer M, Delaittre G, Barner-Kowollik C. Spatially Controlled Surface Immobilization of Nonmodified Peptides. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302040] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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18
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Pauloehrl T, Welle A, Bruns M, Linkert K, Börner HG, Bastmeyer M, Delaittre G, Barner-Kowollik C. Spatially Controlled Surface Immobilization of Nonmodified Peptides. Angew Chem Int Ed Engl 2013; 52:9714-8. [DOI: 10.1002/anie.201302040] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 05/31/2013] [Indexed: 12/29/2022]
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19
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Siltanen C, Shin D, Sutcliffe J, Revzin A. Micropatterned Photodegradable Hydrogels for the Sorting of Microbeads and Cells. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303965] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Christian Siltanen
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Dong‐Sik Shin
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
| | - Julie Sutcliffe
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
- Division of Hematology/Oncology, Department of Internal Medicine, Center for Molecular and Genomic Imaging, University of California Davis, Davis, CA 95616 (USA)
| | - Alexander Revzin
- Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, CA 95616 (USA)
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An Q, Brinkmann J, Huskens J, Krabbenborg S, de Boer J, Jonkheijm P. A Supramolecular System for the Electrochemically Controlled Release of Cells. Angew Chem Int Ed Engl 2012; 51:12233-7. [DOI: 10.1002/anie.201205651] [Citation(s) in RCA: 112] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Indexed: 12/22/2022]
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21
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An Q, Brinkmann J, Huskens J, Krabbenborg S, de Boer J, Jonkheijm P. A Supramolecular System for the Electrochemically Controlled Release of Cells. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201205651] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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22
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Pauloehrl T, Delaittre G, Bruns M, Meißler M, Börner HG, Bastmeyer M, Barner-Kowollik C. (Bio)Molecular Surface Patterning by Phototriggered Oxime Ligation. Angew Chem Int Ed Engl 2012; 51:9181-4. [DOI: 10.1002/anie.201202684] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Revised: 06/08/2012] [Indexed: 12/19/2022]
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