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Yan M, Ma D, Qiu B, Liu T, Xie L, Zeng J, Liang K, Xin H, Lian Z, Jiang L, Kong B. Superassembled Hierarchical Asymmetric Magnetic Mesoporous Nanorobots Driven by Smart Confined Catalytic Degradation. Chemistry 2022; 28:e202200307. [DOI: 10.1002/chem.202200307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Indexed: 12/11/2022]
Affiliation(s)
- Miao Yan
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Department of Chemistry Laboratory of Advanced Materials Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University 2205 Songhu Road Shanghai 200433 P. R. China
| | - Ding Ma
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Department of Chemistry Laboratory of Advanced Materials Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University 2205 Songhu Road Shanghai 200433 P. R. China
| | - Beilei Qiu
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Department of Chemistry Laboratory of Advanced Materials Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University 2205 Songhu Road Shanghai 200433 P. R. China
| | - Tianyi Liu
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Department of Chemistry Laboratory of Advanced Materials Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University 2205 Songhu Road Shanghai 200433 P. R. China
| | - Lei Xie
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Department of Chemistry Laboratory of Advanced Materials Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University 2205 Songhu Road Shanghai 200433 P. R. China
| | - Jie Zeng
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Department of Chemistry Laboratory of Advanced Materials Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University 2205 Songhu Road Shanghai 200433 P. R. China
| | - Kang Liang
- School of Chemical Engineering and Graduate School of Biomedical Engineering University of New South Wales Sidney NSW 2052 Australia
| | - Hui Xin
- Department of Cardiology The Affiliated Hospital of Qingdao University Qingdao University Qingdao 266000 Shangdong P.R. China
| | - Zhexun Lian
- Department of Cardiology The Affiliated Hospital of Qingdao University Qingdao University Qingdao 266000 Shangdong P.R. China
| | - Lei Jiang
- Laboratory of Bio-inspired Materials and Interfacial Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Biao Kong
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Department of Chemistry Laboratory of Advanced Materials Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University 2205 Songhu Road Shanghai 200433 P. R. China
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Koca M, Sevinç Özakar R, Ozakar E, Sade R, Pirimoğlu B, Şimsek Özek N, Aysin F. Preparation and Characterization of Nanosuspensions of Triiodoaniline Derivative New Contrast Agent, and Investigation into Its Cytotoxicity and Contrast Properties. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH 2022; 21:e123824. [PMID: 35765507 PMCID: PMC9191222 DOI: 10.5812/ijpr.123824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 01/30/2023]
Abstract
Iodine-based contrast agents have limitations such as rapid clearance, potential renal toxicity, non-specific blood pool distribution, headache, and adverse events. Nowadays, it is quite common to work with nanosized systems in order to eliminate the side effects of contrast agents. This study aims to synthesize a new iodinated contrast agent, prepare its nanosuspension by using the nanoprecipitation method, investigate its cytotoxicity, and compare its contrast properties with iohexol and iopromide through in-vitro experiments. The values of nanosuspension particle size and zeta potential have been found to be ~ 400 nm and ~ (-) 15 mV, respectively. In-vitro cellular viability findings indicated that the nanosuspension has lower cytotoxicity than the iohexol and iopromide. In the computed tomography (CT) imaging study of contrast features of nanosuspensions and two commercial agents, which involved 86 CT examinations using 31 parameters and two different devices, it was found that iodine had a stronger presence in its nanosuspension form than in iohexol and iopromide, which were the other two commercial contrast agents, when used in equal amounts. Thus in the case of nanosuspensions contrast brightness was achieved by using less iodine, while the same brightness could be obtained with higher doses of iohexol and iopromide. CT imaging therefore be done without much chemical use, which indicates that it may witness fewer side effects in the future.
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Affiliation(s)
- Mehmet Koca
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | - Rukiye Sevinç Özakar
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
- Corresponding Author: Department of Pharmaceutical Technology, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey.
| | - Emrah Ozakar
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | - Recep Sade
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | - Berhan Pirimoğlu
- Department of Radiology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Nihal Şimsek Özek
- Department of Biology, Faculty of Science, Atatürk University, Erzurum, Turkey
| | - Ferhunde Aysin
- Department of Biology, Faculty of Science, Atatürk University, Erzurum, Turkey
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Qiu J, Shi Y, Xia Y. Polydopamine Nanobottles with Photothermal Capability for Controlled Release and Related Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2104729. [PMID: 34535918 DOI: 10.1002/adma.202104729] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Nanobottles refer to colloidal particles featuring a hollow body connected to a single opening on the surface. This unique feature makes them ideal carriers for the encapsulation and controlled release of various types of cargos. Here a facile route to the fabrication of uniform nanobottles made of polydopamine by leveraging swelling-induced pressure is reported. When polystyrene spheres are coated with polydopamine and then incubated with a toluene/water emulsion, the polystyrene will be swollen to automatically poke a single hole in the shell because of the pressure inside the shell. After quenching the swelling with ethanol and then removing all the polystyrene with tetrahydrofuran, polydopamine nanobottles are obtained. The dimensions of the hollow body are determined by the polystyrene template, while the size of the opening can be tuned by varying the shell thickness. Through the opening, different types of cargos, including small molecules and biomacromolecules, can be easily loaded with a thermoresponsive material into the cavity. The cargos can be released in a controllable manner through direct heating or polydopamine-enabled photothermal heating. In a proof-of-concept experiment, the polydopamine nanobottles are used for temperature-controlled release of thrombin to trigger the formation of fibrin gels in situ.
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Affiliation(s)
- Jichuan Qiu
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Yifeng Shi
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Younan Xia
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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Qiu J, Xu J, Xia Y. Nanobottles for Controlled Release and Drug Delivery. Adv Healthc Mater 2021; 10:e2000587. [PMID: 32543127 PMCID: PMC7738374 DOI: 10.1002/adhm.202000587] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/06/2020] [Indexed: 12/22/2022]
Abstract
Nanobottles refer to colloidal particles with a hollow interior and a single opening in the wall. These unique features make them ideal carriers for the loading, encapsulation, release, and delivery of various types of theranostic agents in an array of biomedical applications. The hollow interior gives them a high loading capacity while the opening enables quick loading and controlled release of the payload(s). More significantly, on-demand release can be readily achieved by adding a stimuli-responsive material as the inner matrix or cork stopper. This progress report begins with an introduction to the general structures and properties of nanobottles, followed by a brief discussion on the methods developed for their fabrication. The use of nanobottles for loading different types of payloads is then showcased, including small-molecule drugs, biomacromolecules, imaging contrast agents, and functional nanoparticles. The strategies explored for controlling the release by varying the size of the opening and/or integrating with a stimuli-responsive material are also highlighted. This paper concludes with some perspectives on future directions for this class of nanomaterials in terms of fabrication, functionalization, and application.
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Affiliation(s)
- Jichuan Qiu
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Jianchang Xu
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Younan Xia
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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Yin L, Tian Q, Boyjoo Y, Hou G, Shi X, Liu J. Synthesis of Colloidal Mesoporous Silica Spheres with Large Through-Holes on the Shell. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:6984-6993. [PMID: 31805235 DOI: 10.1021/acs.langmuir.9b03179] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Colloidal silica spheres with controllable large through-holes and mesopores on the shell were synthesized by using polystyrene (PS) spheres as a hard template and cationic surfactant hexadecyl trimethylammonium bromide (CTAB) as a soft template. Through modulating the synthetic conditions, including the volume ratio of ethanol (EtOH)/water, the amount of ammonia hydroxide, and the dosage of CTAB, SiO2 spheres can transform among hollow structure, through-hole structure, and no large pore structure. The investigation suggests that the hydrolysis rate of the silica source and the interaction strength between the PS sphere template and SiO2 may determine the large pore structure of the final product. The moderate hydrolysis rate of tetraethyl orthosilicate (TEOS) and strong interaction between the PS sphere template and SiO2 is conductive to the formation of large through-holes in SiO2 spheres. To further investigate the pore structure of through-holes of SiO2 spheres, the lysozyme (Lz) was selected as a model molecule for adsorption experiments. The Lz adsorption experiments show that SiO2 spheres with through-hole structure exhibit a much faster adsorption rate than SiO2 spheres with hollow structure and higher adsorption capacity than SiO2 with no large pore structure. Such a behavior could find interesting applications in the fields that require a fast-loading characteristic.
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Affiliation(s)
- Lu Yin
- Institute of Chemistry for Functionalized Materials, School of Chemistry and Chemical Engineering, Liaoning Normal University, 850 Huanghe Road, Dalian 116029, China
| | - Qiang Tian
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Yash Boyjoo
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Guangjin Hou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Xin Shi
- Institute of Chemistry for Functionalized Materials, School of Chemistry and Chemical Engineering, Liaoning Normal University, 850 Huanghe Road, Dalian 116029, China
| | - Jian Liu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
- DICP-Surrey Joint Centre for Future Materials, Department of Chemical and Process Engineering, University of Surrey, Guildford, Surrey, U.K
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Qiu J, Huo D, Xia Y. Phase-Change Materials for Controlled Release and Related Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2000660. [PMID: 32383215 PMCID: PMC7473464 DOI: 10.1002/adma.202000660] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 03/23/2020] [Accepted: 03/23/2020] [Indexed: 05/07/2023]
Abstract
Phase-change materials (PCMs) have emerged as a novel class of thermo-responsive materials for controlled release, where the payloads encapsulated in a solid matrix are released only upon melting the PCM to trigger a solid-to-liquid phase transition. Herein, the advances over the past 10 years in utilizing PCMs as a versatile platform for the encapsulation and release of various types of therapeutic agents and biological effectors are highlighted. A brief introduction to PCMs in the context of desired properties for controlled release and related applications is provided. Among the various types of PCMs, a specific focus is placed on fatty acids and fatty alcohols for their natural availability, low toxicity, biodegradability, diversity, high abundance, and low cost. Then, various methods capable of processing PCMs, and their mixtures with payloads, into stable suspensions of colloidal particles, and the different means for triggering the solid-to-liquid phase transition are discussed. Finally, a range of applications enabled by the controlled release system based on PCMs are presented together with some perspectives on future directions.
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Affiliation(s)
- Jichuan Qiu
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Da Huo
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Younan Xia
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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Qiu J, Camargo PHC, Jeong U, Xia Y. Synthesis, Transformation, and Utilization of Monodispersed Colloidal Spheres. Acc Chem Res 2019; 52:3475-3487. [PMID: 31793763 PMCID: PMC6942689 DOI: 10.1021/acs.accounts.9b00490] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Colloidal particles with a spherical shape and diameters in the range of 0.01-1 μm have been a subject of extensive research, with applications in areas such as photonics, electronics, catalysis, drug delivery, and medicine. For most of these applications, it is of critical importance to achieve monodispersity for the size while expanding the diversity in terms of structure and composition. The uniformity in size allows one to establish rigorous correlations between this parameter and the physicochemical properties of the colloidal particles while ensuring experimental repeatability and measurement accuracy. On the other hand, the diversity in structure and composition offers additional handles for tailoring the properties. By switching from the conventional plain, solid structure to a core-shell, hollow, porous, or Janus structure, it offers immediate advantages and creates new opportunities, especially in the context of self-assembly, encapsulation, and controlled release. As for composition, monodispersed colloidal spheres were traditionally limited to amorphous materials such as polystyrene and silica. For metals and semiconducting materials, which are more valuable to applications in photonics, electronics, and catalysis, they tend to crystallize and thus grow anisotropically into nonspherical shapes, especially when their sizes pass 0.1 μm. Taken together, it is no wonder why chemical synthesis of monodispersed colloidal spheres has been a constant theme of research in areas such as colloidal science, materials chemistry, materials science, and soft matter. In this Account, we summarize our efforts over the past two decades in developing solution-phase methods for the facile synthesis of colloidal spheres that are uniform in size, together with a broad range of compositions (including metals and semiconductors) and structures (e.g., solid, core-shell, hollow, porous, and Janus, among others). We start with the synthesis of monodispersed colloidal spheres made of semiconductors, metals with low melting points, and precious metals. Through chemical reactions, these colloidal spheres can be transformed into core-shell or hollow structures with new compositions and properties. Next, we discuss the synthesis of colloidal spheres with a Janus structure while taking a pseudospherical shape. Specifically, metal-polymer hybrid particles composed of one metal nanoparticle partially embedded in the surface of a polymer sphere can be produced through precipitation polymerization in the presence of metal seed. With these Janus particles serving as templates, other types of Janus structures such as hollow spheres with a single hole in the surface can be obtained via site-selected deposition. Alternatively, such hollow spheres can be fabricated through a physical transformation process that involves swelling of polymer spheres, followed by freeze-drying. All these synthesis and transformation processes are solution-based, offering flexibility and potential for large-scale production. At the end, we highlight some of the applications enabled by these colloidal spheres, including fabrication of photonic devices, encapsulation, and controlled release for nanomedicine.
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Affiliation(s)
- Jichuan Qiu
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | | | - Unyong Jeong
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, 7900-784, South Korea
| | - Younan Xia
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
- School of Chemistry and Biochemistry, School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
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Son JH, Kim DI, Park JH, Seo H, Hong SG, Choi JH, Kim J, Moon GD, Hyun DC. Effect of incorporation of sulfonate ( SO3-) on surface sealing of polystyrene (PS)-based bowl. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.01.072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Wang Z, Zhang Y, Cao B, Ji Z, Luo W, Zhai S, Zhang D, Wang W, Xing D, Hu X. Explosible nanocapsules excited by pulsed microwaves for efficient thermoacoustic-chemo combination therapy. NANOSCALE 2019; 11:1710-1719. [PMID: 30623943 DOI: 10.1039/c8nr08498j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Microwave irradiation is a powerful non-invasive approach for treating deep-seated diseases in a clinical setting. Pulsed microwave-induced thermoacoustic cavitation allows precise cancer treatment with microwave-absorbing materials. This differs from the traditional continuous microwave-induced thermotherapy which may be harmful to off-target tissues. Here we first report the integration of thermocavitation and cytoplasmic drug release into highly explosible cell-penetrating nanocapsules for effective tumor inhibition under pulsed microwave irradiation. The nanocapsules were formulated from arginine-tethered reduction-responsive copolymers, P(ArgMA-co-DMA)-b-PPOPMA, microwave-absorbing AB and chemotherapeutic DOX using a double-emulsion method. The nanocapsules were internalized by cancer cells rapidly via major energy-independent pathways. Upon pulsed microwave irradiation, AB absorbed energy to generate a giant thermoacoustic shockwave, simultaneously decomposing into carbon dioxide and ammonia which enforced the cavitation damage effect. The thermoacoustic shockwave and gas burst also mechanically disrupted the intracellular organelles resulting in high-ratio cell necrosis and promoted the cytosolic release of DOX into the nucleus to initiate cell death. Importantly, in vivo results demonstrated significantly suppressed tumor growth by the pulsed microwave-triggered thermocavitation and drug release, and minimal systemic toxicity from the microwave treatment. Therefore, our study provides a new strategy for effectively engineering pulsed microwave-responsive nanomaterials for smart cancer therapy.
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Affiliation(s)
- Zhixiong Wang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, South China Normal University, Guangzhou, 510631, China
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Du M, Ye S, Tang J, Lv S, Chen J, Orava J, Tao G, Lan P, Hao J, Yang Z, Qiu J, Zhou S. Scalable In-Fiber Manufacture of Functional Composite Particles. ACS NANO 2018; 12:11130-11138. [PMID: 30265797 DOI: 10.1021/acsnano.8b05560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Advanced fabrication methods must be developed for magnetic-polymeric particles, which are used in medical diagnostics, drug delivery, separation, and environmental remediation. The development of scalable fabrication processes that enables simultaneously tuning of diameters and compositions of magnetic-polymeric particles remains a major challenge. Here, we proposed the production of high-quality magnetic-composite particles through a universal method based on the in-fiber Plateau-Rayleigh instability of polymeric fibers. This method can simultaneously control the particle diameter, hybrid configuration, and functional properties. The diameter of magnetic-polymeric particles can be reproducibly tuned from ∼20 nm to 1.25 mm, a wide range unachievable by conventional solution methods. The final diameter was controlled by the inner/outer fiber diameter ratio. We further showed that the prepared magnetic-polymeric composite particles can be used for the highly efficient recovery of heavy metals (98.2% for Cd2+) and for the precise separation of immune cells (CD4+ T cells). Overall, the in-fiber manufacture method can become a universal technology for the scalable preparation of different types of magnetic-polymeric composite particles with diverse functionalities.
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Affiliation(s)
- Minghui Du
- State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering , South China University of Technology , Guangzhou 510640 , China
- Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques , Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices , Guangzhou 510640 , China
| | - Shubiao Ye
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases , The Sixth Affiliated Hospital of Sun Yat-Sen University , Guangzhou 510655 , China
| | - Junzhou Tang
- State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering , South China University of Technology , Guangzhou 510640 , China
- Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques , Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices , Guangzhou 510640 , China
| | - Shichao Lv
- State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering , South China University of Technology , Guangzhou 510640 , China
- Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques , Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices , Guangzhou 510640 , China
| | - Jiejie Chen
- State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering , South China University of Technology , Guangzhou 510640 , China
- Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques , Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices , Guangzhou 510640 , China
| | - Jiri Orava
- IFW Dresden , Institute for Complex Materials , Helmholtzstr. 20 , Dresden 010 69 , Germany
| | - Guangming Tao
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Ping Lan
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases , The Sixth Affiliated Hospital of Sun Yat-Sen University , Guangzhou 510655 , China
| | - Jianhua Hao
- Department of Applied Physics , The Hong Kong Polytechnic University , Hung Hom, Kowloon , Hong Kong China
| | - Zhongmin Yang
- State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering , South China University of Technology , Guangzhou 510640 , China
- Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques , Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices , Guangzhou 510640 , China
| | - Jianrong Qiu
- State Key Laboratory of Modern Optical Instrumentation, School of Materials Science and Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Shifeng Zhou
- State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering , South China University of Technology , Guangzhou 510640 , China
- Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques , Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices , Guangzhou 510640 , China
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Sun X, Huang Y, Chen M, Peng X, Dou W. Facile Synthesis of Single-Hole Crosslinked Particles with Embedded Single Bulge by Seeded Emulsion Polymerization. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201800150] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xu Sun
- Department of Applied Chemistry and MOE Key Laboratory of Material Physics and Chemistry under Extrodinary Conditions; Ministry of Education; School of Natural and Applied Sciences; Northwestern Polytechnical University; Xi’an 710072 China
| | - Ying Huang
- Department of Applied Chemistry and MOE Key Laboratory of Material Physics and Chemistry under Extrodinary Conditions; Ministry of Education; School of Natural and Applied Sciences; Northwestern Polytechnical University; Xi’an 710072 China
| | - Menghua Chen
- Department of Applied Chemistry and MOE Key Laboratory of Material Physics and Chemistry under Extrodinary Conditions; Ministry of Education; School of Natural and Applied Sciences; Northwestern Polytechnical University; Xi’an 710072 China
| | - Xuanyi Peng
- Department of Applied Chemistry and MOE Key Laboratory of Material Physics and Chemistry under Extrodinary Conditions; Ministry of Education; School of Natural and Applied Sciences; Northwestern Polytechnical University; Xi’an 710072 China
| | - Wenjie Dou
- Department of Applied Chemistry and MOE Key Laboratory of Material Physics and Chemistry under Extrodinary Conditions; Ministry of Education; School of Natural and Applied Sciences; Northwestern Polytechnical University; Xi’an 710072 China
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Zhang YS, Yao J. Imaging Biomaterial-Tissue Interactions. Trends Biotechnol 2018; 36:403-414. [PMID: 29054313 PMCID: PMC5837919 DOI: 10.1016/j.tibtech.2017.09.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 09/17/2017] [Accepted: 09/25/2017] [Indexed: 01/27/2023]
Abstract
Modern biomedical imaging has revolutionized life science by providing anatomical, functional, and molecular information of biological species with high spatial resolution, deep penetration, enhanced temporal responsiveness, and improved chemical specificity. In recent years, these imaging techniques have been increasingly tailored for characterizing biomaterials and probing their interactions with biological tissues. This in turn has spurred substantial advances in engineering material properties to accommodate different imaging modalities that was previously unattainable. Here, we review advances in engineering both imaging modalities and material properties with improved contrast, providing a timely practical guide to better assess biomaterial-tissue interactions both in vitro and in vivo.
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Affiliation(s)
- Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA.
| | - Junjie Yao
- Photoacoustic Imaging Lab, Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA.
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Hwang SJ, Park JH, Son JH, Choi JH, Seo H, Park M, Kim J, Moon GD, Hyun DC. Thermal annealing-driven surface sealing of polymeric bowl. POLYMER 2018. [DOI: 10.1016/j.polymer.2017.11.065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zhang T, Wang L, Ma C, Wang W, Ding J, Liu S, Zhang X, Xie Z. BODIPY-containing nanoscale metal–organic frameworks as contrast agents for computed tomography. J Mater Chem B 2017; 5:2330-2336. [DOI: 10.1039/c7tb00392g] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A new computed tomography (CT) imaging agent is developed based on the BODIPY-containing nanoscale metal–organic frameworks (NMOFs). The bio-safety and CT imaging of such NMOFs have been well investigated both in vitro and in vivo.
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Affiliation(s)
- Tao Zhang
- Department of General Surgery
- The Second Hospital of Jilin University
- Changchun
- P. R. China
- Department of Gastrointestinal Colorectal and Anal Surgery
| | - Lei Wang
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
| | - Chong Ma
- Department of Gastrointestinal Colorectal and Anal Surgery
- China-Japan Union Hospital of Jilin University
- Changchun
- P. R. China
| | - Weiqi Wang
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
| | - Jun Ding
- Department of Radiology
- China-Japan Union Hospital of Jilin University
- Changchun
- P. R. China
| | - Shi Liu
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
| | - Xuewen Zhang
- Department of General Surgery
- The Second Hospital of Jilin University
- Changchun
- P. R. China
| | - Zhigang Xie
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
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15
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Liu X, Gao C, Gu J, Jiang Y, Yang X, Li S, Gao W, An T, Duan H, Fu J, Wang Y, Yang X. Hyaluronic Acid Stabilized Iodine-Containing Nanoparticles with Au Nanoshell Coating for X-ray CT Imaging and Photothermal Therapy of Tumors. ACS APPLIED MATERIALS & INTERFACES 2016; 8:27622-27631. [PMID: 27686162 DOI: 10.1021/acsami.6b11918] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In recent years, considerable efforts have been made for the development of multifunctional nanoparticles with diagnosis and therapy functions. To achieve enhanced CT imaging and photothermal therapy on the tumor, we employed iodinated nanoparticles as template to construct Au nanoshell structure and demonstrated a facile but effective approach to synthesize biocompatible and well-dispersed multifunctional nanoparticles by coating iodinated nanoparticles with Au nanoshell and subsequent surface modification by hyaluronic acid. The resultant poly(2-methacryl(3-amide-2,4,6-triiodobenzoic acid))/polyethylenimine/Au nanoshell/hyaluronic acid (PMATIB/PEI/Au nanoshell/HA) nanoparticles had relatively high X-ray attenuation coefficient and photothermal efficiency. After intravenous injection into MCF-7 tumor-bearing mice, PMATIB/PEI/Au nanoshell/HA nanoparticles were efficiently accumulated in the tumor, remarkably enhanced the tumor CT imaging, and selectively ablated the tumor through the thermal treatment of lesions under the NIR irradiation. Thus, PMATIB/PEI/Au nanoshell/HA nanoparticles displayed a great potential for CT diagnosis and CT-guided, focused photothermal tumor therapy.
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Affiliation(s)
- Xinghua Liu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Chunhui Gao
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Junheng Gu
- Tianjin Chest Hospital , Tianjin 300051, PR China
| | - Yunfang Jiang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Xinlin Yang
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University , Tianjin 300071, PR China
| | - Shaoyong Li
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Wei Gao
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Tong An
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Hongquan Duan
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Jingwei Fu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Yinsong Wang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Xiaoying Yang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
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16
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Tao G, Kaufman JJ, Shabahang S, Rezvani Naraghi R, Sukhov SV, Joannopoulos JD, Fink Y, Dogariu A, Abouraddy AF. Digital design of multimaterial photonic particles. Proc Natl Acad Sci U S A 2016; 113:6839-44. [PMID: 27274070 PMCID: PMC4922185 DOI: 10.1073/pnas.1601777113] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Scattering of light from dielectric particles whose size is on the order of an optical wavelength underlies a plethora of visual phenomena in nature and is a foundation for optical coatings and paints. Tailoring the internal nanoscale geometry of such "photonic particles" allows tuning their optical scattering characteristics beyond those afforded by their constitutive materials-however, flexible yet scalable processing approaches to produce such particles are lacking. Here, we show that a thermally induced in-fiber fluid instability permits the "digital design" of multimaterial photonic particles: the precise allocation of high refractive-index contrast materials at independently addressable radial and azimuthal coordinates within its 3D architecture. Exploiting this unique capability in all-dielectric systems, we tune the scattering cross-section of equisized particles via radial structuring and induce polarization-sensitive scattering from spherical particles with broken internal rotational symmetry. The scalability of this fabrication strategy promises a generation of optical coatings in which sophisticated functionality is realized at the level of the individual particles.
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Affiliation(s)
- Guangming Tao
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816
| | - Joshua J Kaufman
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816
| | - Soroush Shabahang
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816
| | - Roxana Rezvani Naraghi
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816; Department of Physics, University of Central Florida, Orlando, FL 32816
| | - Sergey V Sukhov
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816
| | - John D Joannopoulos
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Yoel Fink
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Aristide Dogariu
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816
| | - Ayman F Abouraddy
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816;
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17
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Si Y, Chen M, Wu L. Syntheses and biomedical applications of hollow micro-/nano-spheres with large-through-holes. Chem Soc Rev 2016; 45:690-714. [DOI: 10.1039/c5cs00695c] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review mainly discussed the syntheses and biomedical applications of hollow micro-/nano-spheres with large-through-holes in shells.
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Affiliation(s)
- Yinsong Si
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers
- Fudan University
- Shanghai 200433
- P. R. China
| | - Min Chen
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers
- Fudan University
- Shanghai 200433
- P. R. China
| | - Limin Wu
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers
- Fudan University
- Shanghai 200433
- P. R. China
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18
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Magnetically-controlled, pulsatile drug release from poly(ε-caprolactone) (PCL) particles with hollow interiors. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.07.038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Kijewska K, Głowala P, Kowalska J, Jemielity J, Kaczyńska K, Janiszewska K, Stolarski J, Blanchard GJ, Kępińska D, Lubelska K, Wiktorska K, Pisarek M, Mazur M. Gold-decorated polymer vessel structures as carriers of mRNA cap analogs. POLYMER 2015. [DOI: 10.1016/j.polymer.2014.12.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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20
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Hyun DC. Fabrication of monodisperse poly(ε-caprolactone) (PCL) particles using capillary force lithography (CFL). RSC Adv 2015. [DOI: 10.1039/c5ra11607d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Monodisperse PCL particles are fabricated using a simple method based on capillary force lithography (CFL) technique. PCL disks fabricated using CFL are transformed into a spherical shape by thermal annealing process.
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Affiliation(s)
- Dong Choon Hyun
- Department of Polymer Science
- Kyungpook National University
- Daegu
- Korea
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21
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Hyun DC, Lu P, Choi SI, Jeong U, Xia Y. Microscale polymer bottles corked with a phase-change material for temperature-controlled release. Angew Chem Int Ed Engl 2013; 52:10468-71. [PMID: 23959631 PMCID: PMC3879140 DOI: 10.1002/anie.201305006] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Indexed: 11/07/2022]
Abstract
Keep your wine chilled! Microscale polystyrene (PS) bottles are loaded with dye molecules and then corked with a phase-change material (PCM). When the temperature is raised beyond its melting point, the PCM quickly melts and triggers an instant release of the encapsulated dye. The release profiles can be manipulated by using a binary mixture of PCMs with different melting points.
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Affiliation(s)
- Dong Choon Hyun
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Ping Lu
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Sang Il Choi
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Unyong Jeong
- Department of Materials Science and Engineering, Yonsei University, 134 Shinchon-dong, Seoul, Korea
| | - Younan Xia
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA. School of Chemistry and Biochemistry, School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
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22
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Kaufman JJ, Ottman R, Tao G, Shabahang S, Banaei EH, Liang X, Johnson SG, Fink Y, Chakrabarti R, Abouraddy AF. In-fiber production of polymeric particles for biosensing and encapsulation. Proc Natl Acad Sci U S A 2013; 110:15549-54. [PMID: 24019468 PMCID: PMC3785740 DOI: 10.1073/pnas.1310214110] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Polymeric micro- and nanoparticles are becoming a mainstay in biomedicine, medical diagnostics, and therapeutics, where they are used in implementing sensing mechanisms, as imaging contrast agents, and in drug delivery. Current approaches to the fabrication of such particles are typically finely tuned to specific monomer or polymer species, size ranges, and structures. We present a general scalable methodology for fabricating uniformly sized spherical polymeric particles from a wide range of polymers produced with complex internal architectures and continuously tunable diameters extending from the millimeter scale down to 50 nm. Controllable access to such a wide range of sizes enables broad applications in cancer treatment, immunology, and vaccines. Our approach harnesses thermally induced, predictable fluid instabilities in composite core/cladding polymer fibers drawn from a macroscopic scaled-up model called a "preform." Through a stack-and-draw process, we produce fibers containing a multiplicity of identical cylindrical cores made of the polymers of choice embedded in a polymer cladding. The instability leads to the breakup of the initially intact cores, independent of the polymer chemistry, into necklaces of spherical particles held in isolation within the cladding matrix along the entire fiber length. We demonstrate here surface functionalization of the extracted particles for biodetection through specific protein-protein interactions, volumetric encapsulation of a biomaterial in spherical polymeric shells, and the combination of both surface and volumetric functionalities in the same particle. These particles used in distinct modalities may be produced from the desired biocompatible polymer by changing only the geometry of the macroscopic preform from which the fiber is drawn.
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Affiliation(s)
- Joshua J. Kaufman
- Center for Research and Education in Optics and Lasers (CREOL), The College of Optics and Photonics
| | - Richard Ottman
- Burnett School of Biomedical Sciences, College of Medicine, and
| | - Guangming Tao
- Center for Research and Education in Optics and Lasers (CREOL), The College of Optics and Photonics
| | - Soroush Shabahang
- Center for Research and Education in Optics and Lasers (CREOL), The College of Optics and Photonics
| | - Esmaeil-Hooman Banaei
- Department of Electrical Engineering and Computer Science, University of Central Florida, Orlando, FL 32816; and
| | | | | | - Yoel Fink
- Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139
| | | | - Ayman F. Abouraddy
- Center for Research and Education in Optics and Lasers (CREOL), The College of Optics and Photonics
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23
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Hyun DC, Lu P, Choi SI, Jeong U, Xia Y. Microscale Polymer Bottles Corked with a Phase-Change Material for Temperature-Controlled Release. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201305006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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24
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Lee N, Choi SH, Hyeon T. Nano-sized CT contrast agents. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:2641-60. [PMID: 23553799 DOI: 10.1002/adma.201300081] [Citation(s) in RCA: 384] [Impact Index Per Article: 34.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Indexed: 05/20/2023]
Abstract
Computed tomography (CT) is one of the most widely used clinical imaging modalities. In order to increase the sensitivity of CT, small iodinated compounds are used as injectable contrast agents. However, the iodinated contrast agents are excreted through the kidney and have short circulation times. This rapid renal clearance not only restricts in vivo applications that require long circulation times but also sometimes induces serious adverse effects related to the excretion pathway. In addition, the X-ray attenuation of iodine is not efficient for clinical CT that uses high-energy X-ray. Due to these limitations, nano-sized iodinated CT contrast agents have been developed that can increase the circulation time and decrease the adverse effects. In addition to iodine, nanoparticles based on heavy atoms such as gold, lanthanides, and tantalum are used as more efficient CT contrast agents. In this review, we summarize the recent progresses made in nano-sized CT contrast agents.
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Affiliation(s)
- Nohyun Lee
- Center for Nanoparticle Research, Institute for Basic Science and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 South Korea
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