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Alzhrani RF, Xu H, Zhang Y, Maniruzzaman M, Cui Z. Development of novel 3D printable inks for protein delivery. Int J Pharm 2024; 659:124277. [PMID: 38802027 DOI: 10.1016/j.ijpharm.2024.124277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 05/12/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
The application of 3D printing technology in the delivery of macromolecules, such as proteins and enzymes, is limited by the lack of suitable inks. In this study, we report the development of novel inks for 3D printing of constructs containing proteins while maintaining the activity of the proteins during and after printing. Different ink formulations containing Pluronic F-127 (20-35 %, w/v), trehalose (2-10 %, w/v) or mannitol, poly (ethylene glycol) diacrylate (PEGDA) (0 or 10 %, w/w), and diphenyl(2,4,6-trimethylbenzoyl) phosphine oxide (TPO, 0 or 0.2 mg/mL) were prepared for 3D-microextrusion printing. The F2 formulation that contained β-galactosidase (β-gal) as a model enzyme, Pluronic F-127 (30 %), and trehalose (10 %) demonstrated the desired viscosity, printability, and dose flexibility. The shear-thinning property of the F2 formulation enabled the printing of β-gal containing constructs with a good peak force during extrusion. After 3D printing, the enzymatic activity of the β-gal in the constructs was maintained for an extended period, depending on the construct design and storage conditions. For instance, there was a 50 % reduction in β-gal activity in the two-layer constructs, but only a 20 % reduction in the four-layer construct (i.e., 54.5 ± 1.2 % and 82.7 ± 9.9 %, respectively), after 4 days of storage. The β-gal activity in constructs printed from the F2 formulation was maintained for up to 20 days when stored in sealed bags at room temperatures (21 ± 2 °C), but not when stored unsealed in the same conditions (e.g., ∼60 % activity loss within 7 days). The β-gal from constructs printed from F2 started to release within 5 min and reached 100 % after 20 min. With the design flexibility offered by the 3D printing, the β-gal release from the constructs was delayed to 3 h by printing a backing layer of β-gal-free F5 ink on the constructs printed from the F2 ink. Finally, ovalbumin as an alternative protein was also incorporated in similar ink compositions. Ovalbumin exhibited a release profile like that of the β-gal, and the release can also be modified with different shape design and/or ink composition. In conclusion, ink formulations that possess desirable properties for 3D printing of protein-containing constructs while maintaining the protein activity during and after printing were developed.
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Affiliation(s)
- Riyad F Alzhrani
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX 78712, United States; Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Haiyue Xu
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX 78712, United States
| | - Yu Zhang
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX 78712, United States; Pharmaceutical Engineering and 3D Printing (PharmE3D) Lab, Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, United States
| | - Mohammed Maniruzzaman
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX 78712, United States; Pharmaceutical Engineering and 3D Printing (PharmE3D) Lab, Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, United States.
| | - Zhengrong Cui
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX 78712, United States.
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Qiu Y, Wu Z, Wang J, Zhang C, Zhang H. Introduction of Materials Genome Technology and Its Applications in the Field of Biomedical Materials. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1906. [PMID: 36903027 PMCID: PMC10004319 DOI: 10.3390/ma16051906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 02/13/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
Traditional research and development (R&D) on biomedical materials depends heavily on the trial and error process, thereby leading to huge economic and time burden. Most recently, materials genome technology (MGT) has been recognized as an effective approach to addressing this problem. In this paper, the basic concepts involved in the MGT are introduced, and the applications of MGT in the R&D of metallic, inorganic non-metallic, polymeric, and composite biomedical materials are summarized; in view of the existing limitations of MGT for R&D of biomedical materials, potential strategies are proposed on the establishment and management of material databases, the upgrading of high-throughput experimental technology, the construction of data mining prediction platforms, and the training of relevant materials talents. In the end, future trend of MGT for R&D of biomedical materials is proposed.
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Affiliation(s)
| | | | | | - Chao Zhang
- Correspondence: (C.Z.); (H.Z.); Tel.: +86-20-39332145 (C.Z. & H.Z.)
| | - Heye Zhang
- Correspondence: (C.Z.); (H.Z.); Tel.: +86-20-39332145 (C.Z. & H.Z.)
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3
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Polymers in Technologies of Additive and Inkjet Printing of Dosage Formulations. Polymers (Basel) 2022; 14:polym14132543. [PMID: 35808591 PMCID: PMC9269197 DOI: 10.3390/polym14132543] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/14/2022] [Accepted: 06/20/2022] [Indexed: 12/10/2022] Open
Abstract
Technologies for obtaining dosage formulations (DF) for personalized therapy are currently being developed in the field of inkjet (2D) and 3D printing, which allows for the creation of DF using various methods, depending on the properties of pharmaceutical substances and the desired therapeutic effect. By combining these types of printing with smart polymers and special technological approaches, so-called 4D printed dosage formulations are obtained. This article discusses the main technological aspects and used excipients of a polymeric nature for obtaining 2D, 3D, 4D printed dosage formulations. Based on the literature data, the most widely used polymers, their properties, and application features are determined, and the technological characteristics of inkjet and additive 3D printing are shown. Conclusions are drawn about the key areas of development and the difficulties that arise in the search and implementation in the production of new materials and technologies for obtaining those dosage formulations.
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Mo X, Ouyang L, Xiong Z, Zhang T. Advances in Digital Light Processing of Hydrogels. Biomed Mater 2022; 17. [PMID: 35477166 DOI: 10.1088/1748-605x/ac6b04] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 04/27/2022] [Indexed: 11/11/2022]
Abstract
Hydrogels, three-dimensional (3D) networks of hydrophilic polymers formed in water, are a significant type of soft matter used in fundamental and applied sciences. Hydrogels are of particular interest for biomedical applications, owing to their soft elasticity and good biocompatibility. However, the high water content and soft nature of hydrogels often make it difficult to process them into desirable solid forms. The development of 3D printing (3DP) technologies has provided opportunities for the manufacturing of hydrogels, by adopting a freeform fabrication method. Owing to its high printing speed and resolution, vat photopolymerization 3DP has recently attracted considerable interest for hydrogel fabrication, with digital light processing (DLP) becoming a widespread representative technique. Whilst acknowledging that other types of vat photopolymerization 3DP have also been applied for this purpose, we here only focus on DLP and its derivatives. In this review, we first comprehensively outline the most recent advances in both materials and fabrication, including the adaptation of novel hydrogel systems and advances in processing (e.g., volumetric printing and multimaterial integration). Secondly, we summarize the applications of hydrogel DLP, including regenerative medicine, functional microdevices, and soft robotics. To the best of our knowledge, this is the first time that either of these specific review focuses has been adopted in the literature. More importantly, we discuss the major challenges associated with hydrogel DLP and provide our perspectives on future trends. To summarize, this review aims to aid and inspire other researchers investigatng DLP, photocurable hydrogels, and the research fields related to them.
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Affiliation(s)
- Xingwu Mo
- Tsinghua University Department of Mechanical Engineering, Department of Mechanical Engineering, Tsinghua University, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, "Biomanufacturing and Engineering Living Systems" Overseas Expertise Introduction Center for Discipline Innovation(111 Center), Beijing, 100084, CHINA
| | - Liliang Ouyang
- Tsinghua University Department of Mechanical Engineering, Department of Mechanical Engineering, Tsinghua University, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, "Biomanufacturing and Engineering Living Systems" Overseas Expertise Introduction Center for Discipline Innovation(111 Center), Beijing, 100084, CHINA
| | - Zhuo Xiong
- Tsinghua University Department of Mechanical Engineering, Department of Mechanical Engineering, Tsinghua University, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, "Biomanufacturing and Engineering Living Systems" Overseas Expertise Introduction Center for Discipline Innovation(111 Center), Beijing, 100084, CHINA
| | - Ting Zhang
- Tsinghua University Department of Mechanical Engineering, Department of Mechanical Engineering, Tsinghua University, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, "Biomanufacturing and Engineering Living Systems" Overseas Expertise Introduction Center for Discipline Innovation(111 Center), Beijing, 100084, CHINA
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ABSTRACTS (BY NUMBER). Tissue Eng Part A 2022. [DOI: 10.1089/ten.tea.2022.29025.abstracts] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Muralidharan A, McLeod RR, Bryant SJ. Hydrolytically degradable Poly (β-amino ester) resins with tunable degradation for 3D printing by projection micro-stereolithography. ADVANCED FUNCTIONAL MATERIALS 2022; 32:2106509. [PMID: 35813039 PMCID: PMC9268535 DOI: 10.1002/adfm.202106509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Applications of 3D printing that range from temporary medical devices to environmentally responsible manufacturing would benefit from printable resins that yield polymers with controllable material properties and degradation behavior. Towards this goal, poly(β-amino ester) (PBAE)-diacrylate resins were investigated due to the wide range of available chemistries and tunable material properties. PBAE-diacrylate resins were synthesized from hydrophilic and hydrophobic chemistries and with varying electron densities on the ester bond to provide control over degradation. Hydrophilic PBAE-diacrylates led to degradation behaviors characteristic of bulk degradation while hydrophobic PBAE-diacrylates led to degradation behaviors dominated initially by surface degradation and then transitioned to bulk degradation. Depending on chemistry, the crosslinked PBAE-polymers exhibited a range of degradation times under accelerated conditions, from complete mass loss in 90 min to minimal mass loss at 45 days. Patterned features with 55 μm resolution were achieved across all resins, but their fidelity was dependent on PBAE-diacrylate molecular weight, reactivity, and printing parameters. In summary, simple chemical modifications in the PBAE-diacrylate resins coupled with projection microstereolithography enables high resolution 3D printed parts with similar architectures and initial properties, but widely different degradation rates and behaviors.
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Affiliation(s)
- Archish Muralidharan
- Materials Science and Engineering Program, University of Colorado, Boulder, USA, Boulder, CO 80309, USA
| | - Robert R. McLeod
- Department of Electrical, Computer and Energy Engineering, University of Colorado, Boulder, Boulder, CO 80309, USA; Materials Science and Engineering Program, University of Colorado, Boulder, USA, Boulder, CO 80309, USA
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Won C, Kwon C, Park K, Seo J, Lee T. Electronic Drugs: Spatial and Temporal Medical Treatment of Human Diseases. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005930. [PMID: 33938022 DOI: 10.1002/adma.202005930] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/11/2020] [Indexed: 06/12/2023]
Abstract
Recent advances in diagnostics and medicines emphasize the spatial and temporal aspects of monitoring and treating diseases. However, conventional therapeutics, including oral administration and injection, have difficulties meeting these aspects due to physiological and technological limitations, such as long-term implantation and a narrow therapeutic window. As an innovative approach to overcome these limitations, electronic devices known as electronic drugs (e-drugs) have been developed to monitor real-time body signals and deliver specific treatments to targeted tissues or organs. For example, ingestible and patch-type e-drugs could detect changes in biomarkers at the target sites, including the gastrointestinal (GI) tract and the skin, and deliver therapeutics to enhance healing in a spatiotemporal manner. However, medical treatments often require invasive surgical procedures and implantation of medical equipment for either short or long-term use. Therefore, approaches that could minimize implantation-associated side effects, such as inflammation and scar tissue formation, while maintaining high functionality of e-drugs, are highly needed. Herein, the importance of the spatial and temporal aspects of medical treatment is thoroughly reviewed along with how e-drugs use cutting-edge technological innovations to deal with unresolved medical challenges. Furthermore, diverse uses of e-drugs in clinical applications and the future perspectives of e-drugs are discussed.
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Affiliation(s)
- Chihyeong Won
- Nanobio Device Laboratory, School of Electrical and Electronic Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Chaebeen Kwon
- Nanobio Device Laboratory, School of Electrical and Electronic Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Kijun Park
- Biological Interfaces and Sensor Systems Laboratory, School of Electrical and Electronic Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Jungmok Seo
- Biological Interfaces and Sensor Systems Laboratory, School of Electrical and Electronic Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Taeyoon Lee
- Nanobio Device Laboratory, School of Electrical and Electronic Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
- Center for BioMicrosystems, Brain Science Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
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Customisable Tablet Printing: The Development of Multimaterial Hot Melt Inkjet 3D Printing to Produce Complex and Personalised Dosage Forms. Pharmaceutics 2021; 13:pharmaceutics13101679. [PMID: 34683972 PMCID: PMC8538252 DOI: 10.3390/pharmaceutics13101679] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/20/2021] [Accepted: 09/27/2021] [Indexed: 12/31/2022] Open
Abstract
One of the most striking characteristics of 3D printing is its capability to produce multi-material objects with complex geometry. In pharmaceutics this translates to the possibility of dosage forms with multi-drug loading, tailored dosing and release. We have developed a novel dual material hot-melt inkjet 3D printing system which allows for precisely controlled multi-material solvent free inkjet printing. This reduces the need for time-consuming exchanges of printable inks and expensive post processing steps. With this printer, we show the potential for design of printed dosage forms for tailored drug release, including single and multi-material complex 3D patterns with defined localised drug loading where a drug-free ink is used as a release-retarding barrier. For this, we used Compritol HD5 ATO (matrix material) and Fenofibrate (model drug) to prepare both drug-free and drug-loaded inks with drug concentrations varying between 5% and 30% (w/w). The printed constructs demonstrated the required physical properties and displayed immediate, extended, delayed and pulsatile drug release depending on drug localisation inside of the printed formulations. For the first time, this paper demonstrates that a commonly used pharmaceutical lipid, Compritol HD5 ATO, can be printed via hot-melt inkjet printing as single ink material, or in combination with a drug, without the need for additional solvents. Concurrently, this paper demonstrates the capabilities of dual material hot-melt inkjet 3D printing system to produce multi-material personalised solid dosage forms.
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Ruiz-Cantu L, F Trindade G, Taresco V, Zhou Z, He Y, Burroughs L, Clark EA, Rose FRAJ, Tuck C, Hague R, Roberts CJ, Alexander M, Irvine DJ, Wildman RD. Bespoke 3D-Printed Polydrug Implants Created via Microstructural Control of Oligomers. ACS APPLIED MATERIALS & INTERFACES 2021; 13:38969-38978. [PMID: 34399054 DOI: 10.1021/acsami.1c07850] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Controlling the microstructure of materials by means of phase separation is a versatile tool for optimizing material properties. Phase separation has been exploited to fabricate intricate microstructures in many fields including cell biology, tissue engineering, optics, and electronics. The aim of this study was to use phase separation to tailor the spatial location of drugs and thereby generate release profiles of drug payload over periods ranging from 1 week to months by exploiting different mechanisms: polymer degradation, polymer diluent dissolution, and control of microstructure. To achieve this, we used drop-on-demand inkjet three-dimensional (3D) printing. We predicted the microstructure resulting from phase separation using high-throughput screening combined with a model based on the Flory-Huggins interaction parameter and were able to show that drug release from 3D-printed objects can be predicted from observations based on single drops of mixtures. We demonstrated for the first time that inkjet 3D printing yields controllable phase separation using picoliter droplets of blended photoreactive oligomers/monomers. This new understanding gives us hierarchical compositional control, from droplet to device, allowing release to be "dialled up" without manipulation of device geometry. We exemplify this approach by fabricating a biodegradable, long-term, multiactive drug delivery subdermal implant ("polyimplant") for combination therapy and personalized treatment of coronary heart disease. This is an important advance for implants that need to be delivered by cannula, where the shape is highly constrained and thus the usual geometrical freedoms associated with 3D printing cannot be easily exploited, which brings a hitherto unseen level of understanding to emergent material properties of 3D printing.
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Affiliation(s)
- Laura Ruiz-Cantu
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | | | - Vincenzo Taresco
- School of Chemistry, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Zuoxin Zhou
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Yinfeng He
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | | | - Elizabeth A Clark
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | | | - Christopher Tuck
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Richard Hague
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Clive J Roberts
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Morgan Alexander
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Derek J Irvine
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Ricky D Wildman
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
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Li J, Liu J, Lu W, Wu Z, Yu J, Wang B, Ma Z, Huo W, Huang X. Water-Sintered Transient Nanocomposites Used as Electrical Interconnects for Dissolvable Consumer Electronics. ACS APPLIED MATERIALS & INTERFACES 2021; 13:32136-32148. [PMID: 34225448 DOI: 10.1021/acsami.1c07102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rapid development of electronic technology shortens the development time for new products and accelerates the obsolescence of consumer electronics, resulting in the explosive growth of electronic waste that is difficult to recycle and hazardous to the environment and human health. Transient electronics that can dissolve in water may potentially be adopted to tackle the issues of electronic waste; however, promising approaches to yield large-scale and high-performance transient consumer electronics have not yet been developed. Here, the joint effect of galvanic corrosion and redeposition has been utilized to develop bimetallic transient nanocomposites, which can be printed and water-sintered to yield high-performance transient PCB circuits with excellent electrical conductivity and mechanical robustness. The entire sintering process requires no external energy and strict environmental conditions. The achieved PCB circuits offer a conductivity of 307,664.4 S/m that is among the highest in comparison with other printed transient circuits. The supreme performance of the transient circuits eventually leads to the first dissolvable smartwatch that offers the same functions and similar performance as conventional smartwatches and dissolves in water within 40 h. The joint effect of galvanic corrosion and redeposition between two metals with distinct activities leads to novel nanocomposites and processing techniques of transient electronics. The resulting high-performance transient devices may reshape the appearance of consumer electronics and reform the electronics recycling industry by reducing recycling costs and minimizing environmental pollution and health hazard.
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Affiliation(s)
- Jiameng Li
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Jiayin Liu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Wangwei Lu
- Institute of Flexible Electronics Technology of Tsinghua University Zhejiang, 906 Yatai Road, Jiaxing 314000, China
| | - Ziyue Wu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Jingxian Yu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Bangbang Wang
- School of Materials Science and Engineering, Tianjin University, 135 Yaguan Road, Tianjin 300350, China
| | - Zhe Ma
- School of Materials Science and Engineering, Tianjin University, 135 Yaguan Road, Tianjin 300350, China
| | - Wenxing Huo
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Xian Huang
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
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Kirillova A, Yeazel TR, Asheghali D, Petersen SR, Dort S, Gall K, Becker ML. Fabrication of Biomedical Scaffolds Using Biodegradable Polymers. Chem Rev 2021; 121:11238-11304. [PMID: 33856196 DOI: 10.1021/acs.chemrev.0c01200] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Degradable polymers are used widely in tissue engineering and regenerative medicine. Maturing capabilities in additive manufacturing coupled with advances in orthogonal chemical functionalization methodologies have enabled a rapid evolution of defect-specific form factors and strategies for designing and creating bioactive scaffolds. However, these defect-specific scaffolds, especially when utilizing degradable polymers as the base material, present processing challenges that are distinct and unique from other classes of materials. The goal of this review is to provide a guide for the fabrication of biodegradable polymer-based scaffolds that includes the complete pathway starting from selecting materials, choosing the correct fabrication method, and considering the requirements for tissue specific applications of the scaffold.
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Affiliation(s)
- Alina Kirillova
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Taylor R Yeazel
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Darya Asheghali
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Shannon R Petersen
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Sophia Dort
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Ken Gall
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Matthew L Becker
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States.,Department of Chemistry, Duke University, Durham, North Carolina 27708, United States.,Departments of Biomedical Engineering and Orthopaedic Surgery, Duke University, Durham, North Carolina 27708, United States
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Lin TS, Rebello NJ, Beech HK, Wang Z, El-Zaatari B, Lundberg DJ, Johnson JA, Kalow JA, Craig SL, Olsen BD. PolyDAT: A Generic Data Schema for Polymer Characterization. J Chem Inf Model 2021; 61:1150-1163. [PMID: 33615783 DOI: 10.1021/acs.jcim.1c00028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Polymers are stochastic materials that represent distributions of different molecules. In general, to quantify the distribution, polymer researchers rely on a series of chemical characterizations that each reveal partial information on the distribution. However, in practice, the exact set of characterizations that are carried out, as well as how the characterization data are aggregated and reported, is largely nonstandard across the polymer community. This scenario makes polymer characterization data highly disparate, thereby significantly slowing down the development of polymer informatics. In this work, a proposal on how structural characterization data can be organized is presented. To ensure that the system can apply universally across the entire polymer community, the proposed schema, PolyDAT, is designed to embody a minimal congruent set of vocabulary that is common across different domains. Unlike most chemical schemas, where only data pertinent to the species of interest are included, PolyDAT deploys a multi-species reaction network construct, in which every characterization on relevant species is collected to provide the most comprehensive profile on the polymer species of interest. Instead of maintaining a comprehensive list of available characterization techniques, PolyDAT provides a handful of generic templates, which align closely with experimental conventions and cover most types of common characterization techniques. This allows flexibility for the development and inclusion of new measurement methods. By providing a standard format to digitalize data, PolyDAT serves not only as an extension to BigSMILES that provides the necessary quantitative information but also as a standard channel for researchers to share polymer characterization data.
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Affiliation(s)
- Tzyy-Shyang Lin
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Nathan J Rebello
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Haley K Beech
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Zi Wang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Bassil El-Zaatari
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - David J Lundberg
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Jeremiah A Johnson
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Julia A Kalow
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Stephen L Craig
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Bradley D Olsen
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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Nandan A, Siddiqui NA, Kumar P. Estimation of indoor air pollutant during photocopy/printing operation: a computational fluid dynamics (CFD)-based study. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:3543-3573. [PMID: 32405897 DOI: 10.1007/s10653-020-00589-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 05/01/2020] [Indexed: 06/11/2023]
Abstract
Population form a homeostat with environment where they live and exchange continuous gas for their respiration, which is the primary pathway for the pollutants to enter into human metabolism. The pollution present indoor is due to multiple sources like electronic and electrical equipment, clothes, furniture and other anthropogenic activity. The concentration of these pollutants changes with time and depends mainly on source type (continuous/intermittent), time of the operation and release/ventilation/wind velocity/pollutant dispersion and anthropogenic activity. It has been observed that equipment like printers, printing machines, photocopiers, etc., releases several pollutants like volatile organic compounds (VOCs), ozone (O3), semi-volatile organic compounds, benzene (C6H6), toluene and suspended particulate matter during operation. This work represents the emissions of VOCs, benzene, and toluene during photocopy. The numerical validation of results was done using Fluent, which is an application-based software which helps in physical modeling describing air flow and effect of multiple parameter on it like temperature and no of printing/photocopy (in proposed experiment) with respect to time. It has been observed from the results that the emissions of VOCs, benzene, and toluene increase from 0.09 to 1.13 PPM, 0.17 to 1.87 PPM and 30 to 235 PPM, respectively, as the operating duration, temperature (35-40 °C) and rate of printing/photocopying increase (120-200/h), and it is because printer/photocopy machine uses heat and pressure to fix an image on the paper surface which subsequently result in higher emission. Multiple adverse health, safety and environmental impacts due to operation of photocopy/printing call for in-depth study, guidance, and monitoring of the workers occupationally associated with this operation for their well-being.
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Affiliation(s)
- Abhishek Nandan
- University of Petroleum and Energy Studies, Dehradun, India.
| | | | - Pankaj Kumar
- University of Petroleum and Energy Studies, Dehradun, India
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Xu X, Awad A, Robles-Martinez P, Gaisford S, Goyanes A, Basit AW. Vat photopolymerization 3D printing for advanced drug delivery and medical device applications. J Control Release 2020; 329:743-757. [PMID: 33031881 DOI: 10.1016/j.jconrel.2020.10.008] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/02/2020] [Accepted: 10/03/2020] [Indexed: 12/17/2022]
Abstract
Three-dimensional (3D) printing is transforming manufacturing paradigms within healthcare. Vat photopolymerization 3D printing technology combines the benefits of high resolution and favourable printing speed, offering a sophisticated approach to fabricate bespoke medical devices and drug delivery systems. Herein, an overview of the vat polymerization techniques, their unique applications in the fields of drug delivery and medical device fabrication, material examples and the advantages they provide within healthcare, is provided. The challenges and drawbacks presented by this technology are also discussed. It is forecast that the adoption of 3D printing could pave the way for a personalised health system, advancing from traditional treatments pathways towards digital healthcare.
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Affiliation(s)
- Xiaoyan Xu
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Atheer Awad
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Pamela Robles-Martinez
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Simon Gaisford
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; FabRx Ltd., 3 Romney Road, Ashford, Kent TN24 0RW, UK
| | - Alvaro Goyanes
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; FabRx Ltd., 3 Romney Road, Ashford, Kent TN24 0RW, UK; Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, I + D Farma (GI-1645), Facultad de Farmacia, and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Abdul W Basit
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; FabRx Ltd., 3 Romney Road, Ashford, Kent TN24 0RW, UK.
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15
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Zhang X, Liu Y, Luo C, Zhai C, Li Z, Zhang Y, Yuan T, Dong S, Zhang J, Fan W. Crosslinker-free silk/decellularized extracellular matrix porous bioink for 3D bioprinting-based cartilage tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111388. [PMID: 33254994 DOI: 10.1016/j.msec.2020.111388] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 07/14/2020] [Accepted: 08/19/2020] [Indexed: 02/06/2023]
Abstract
As cartilage tissue lacks the innate ability to mount an adequate regeneration response, damage to it is detrimental to the quality of life of the subject. The emergence of three-dimensional bioprinting (3DBP) technology presents an opportunity to repair articular cartilage defects. However, widespread adoption of this technique has been impeded by difficulty in preparing a suitable bioink and the toxicity inherent in the chemical crosslinking process of most bioinks. Our objective was to develop a crosslinker-free bioink with the same biological activity as the original cartilage extracellular matrix (ECM) and good mechanical strength. We prepared bioinks containing different concentrations of silk fibroin and decellularized extracellular matrix (SF-dECM bioinks) mixed with bone marrow mesenchymal stem cells (BMSCs) for 3D bioprinting. SF and dECM interconnect with each other through physical crosslinking and entanglement. A porous structure was formed by removing the polyethylene glycol from the SF-dECM bioink. The results showed the SF-dECM construct had a suitable mechanical strength and degradation rate, and the expression of chondrogenesis-specific genes was found to be higher than that of the SF control construct group. Finally, we confirmed that a SF-dECM construct that was designed to release TGF-β3 had the ability to promote chondrogenic differentiation of BMSCs and provided a good cartilage repair environment, suggesting it is an ideal scaffold for cartilage tissue engineering.
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Affiliation(s)
- Xiao Zhang
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yang Liu
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Chunyang Luo
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Chenjun Zhai
- Department of Orthopedics, Yixing People's Hospital, Yixing, Jiangsu 214200, China
| | - Zuxi Li
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yi Zhang
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Tao Yuan
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Shilei Dong
- Key Lab of Biofabrication of AnHui Higher Education Institution Centre for Advanced Biofabrication, Hefei, Anhui 230601, China
| | - Jiyong Zhang
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Weimin Fan
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China.
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16
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17
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Li Z, Zhang X, Yuan T, Zhang Y, Luo C, Zhang J, Liu Y, Fan W. Addition of Platelet-Rich Plasma to Silk Fibroin Hydrogel Bioprinting for Cartilage Regeneration. Tissue Eng Part A 2020; 26:886-895. [PMID: 32031056 DOI: 10.1089/ten.tea.2019.0304] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The recent advent of 3D bioprinting of biopolymers provides a novel method for fabrication of tissue-engineered scaffolds and also offers a potentially promising avenue in cartilage regeneration. Silk fibroin (SF) is one of the most popular biopolymers used for 3D bioprinting, but further application of SF is hindered by its limited biological activities. Incorporation of growth factors (GFs) has been identified as a solution to improve biological function. Platelet-rich plasma (PRP) is an autologous resource of GFs, which has been widely used in clinic. In this study, we have developed SF-based bioinks incorporated with different concentrations of PRP (12.5%, 25%, and 50%; vol/vol). Release kinetic studies show that SF-PRP bioinks could achieve controlled release of GFs. Subsequently, SF-PRP bioinks were successfully fabricated into scaffolds by bioprinting. Our results revealed that SF-PRP scaffolds possessed proper internal pore structure, good biomechanical properties, and a suitable degradation rate for cartilage regeneration. Live/dead staining showed that 3D, printed SF-PRP scaffolds were biocompatible. Moreover, in vitro studies revealed that tissue-engineered cartilage from the SF-PRP group exhibited improved qualities compared with the pure SF controls, according to histological and immunohistochemical findings. Biochemical evaluations confirmed that SF-PRP (50% PRP, v/v) scaffolds allowed the largest increases in collagen and glycosaminoglycan concentrations, when compared with the pure SF group. These findings suggest that 3D, printed SF-PRP scaffolds could be potential candidates for cartilage tissue engineering. Impact statement Three-dimensional bioprinting of silk fibroin (SF) hydrogel as bioinks is a promising strategy for cartilage tissue engineering, but it lacks biological activities, which favors proliferation of seeded cells and secretion of the extracellular matrix. In this study, we have successfully added platelet-rich plasma (PRP) into SF-based bioinks as an autologous source of growth factors. The 3D, printed SF-PRP scaffold showed an enhanced biological property, thus aiding in potential future development of novel cartilage tissue engineering applications.
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Affiliation(s)
- Zuxi Li
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiao Zhang
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Tao Yuan
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yi Zhang
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chunyang Luo
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jiyong Zhang
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yang Liu
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Weimin Fan
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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18
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Clark EA, Alexander MR, Irvine DJ, Roberts CJ, Wallace MJ, Yoo J, Wildman RD. Making tablets for delivery of poorly soluble drugs using photoinitiated 3D inkjet printing. Int J Pharm 2020; 578:118805. [DOI: 10.1016/j.ijpharm.2019.118805] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/14/2019] [Accepted: 10/15/2019] [Indexed: 02/07/2023]
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19
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Hu P, Qiu W, Naumov S, Scherzer T, Hu Z, Chen Q, Knolle W, Li Z. Conjugated Bifunctional Carbazole‐Based Oxime Esters: Efficient and Versatile Photoinitiators for 3D Printing under One‐ and Two‐Photon Excitation. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.201900246] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Peng Hu
- International Research Center for Photoresponsive Molecules and MaterialsJiangnan University Wuxi Jiangsu 214122 China
- Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material EngineeringJiangnan University Wuxi Jiangsu 214122 China
| | - Wanwan Qiu
- Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material EngineeringJiangnan University Wuxi Jiangsu 214122 China
| | - Sergej Naumov
- Department of Functional CoatingsLeibniz Institute of Surface Engineering (IOM) Permoserstr, 15 04318 Leipzig Germany
| | - Tom Scherzer
- Department of Functional CoatingsLeibniz Institute of Surface Engineering (IOM) Permoserstr, 15 04318 Leipzig Germany
| | - Zhiyong Hu
- State Key Laboratory on Integrated Optoelectronics College of Electronic Science and EngineeringJilin University Changchun Jilin 130012 China
| | - Qidai Chen
- State Key Laboratory on Integrated Optoelectronics College of Electronic Science and EngineeringJilin University Changchun Jilin 130012 China
| | - Wolfgang Knolle
- Department of Functional CoatingsLeibniz Institute of Surface Engineering (IOM) Permoserstr, 15 04318 Leipzig Germany
| | - Zhiquan Li
- International Research Center for Photoresponsive Molecules and MaterialsJiangnan University Wuxi Jiangsu 214122 China
- Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material EngineeringJiangnan University Wuxi Jiangsu 214122 China
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20
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Begines B, Alcudia A, Aguilera-Velazquez R, Martinez G, He Y, Trindade GF, Wildman R, Sayagues MJ, Jimenez-Ruiz A, Prado-Gotor R. Design of highly stabilized nanocomposite inks based on biodegradable polymer-matrix and gold nanoparticles for Inkjet Printing. Sci Rep 2019; 9:16097. [PMID: 31695064 PMCID: PMC6834569 DOI: 10.1038/s41598-019-52314-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 10/10/2019] [Indexed: 11/15/2022] Open
Abstract
Nowadays there is a worldwide growing interest in the Inkjet Printing technology owing to its potentially high levels of geometrical complexity, personalization and resolution. There is also social concern about usage, disposal and accumulation of plastic materials. In this work, it is shown that sugar-based biodegradable polyurethane polymers exhibit outstanding properties as polymer-matrix for gold nanoparticles composites. These materials could reach exceptional stabilization levels, and demonstrated potential as novel robust inks for Inkjet based Printing. Furthermore, a physical comparison among different polymers is discussed based on stability and printability experiments to search for the best ink candidate. The University of Seville logo was printed by employing those inks, and the presence of gold was confirmed by ToF-SIMS. This approach has the potential to open new routes and applications for fabrication of enhanced biomedical nanometallic-sensors using stabilized AuNP.
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Affiliation(s)
- Belen Begines
- Department of Organic and Medicinal Chemistry, School of Pharmacy, University of Seville, Seville, 41012, Spain
| | - Ana Alcudia
- Department of Organic and Medicinal Chemistry, School of Pharmacy, University of Seville, Seville, 41012, Spain
| | - Raul Aguilera-Velazquez
- Department of Organic and Medicinal Chemistry, School of Pharmacy, University of Seville, Seville, 41012, Spain
| | - Guillermo Martinez
- Department of Organic and Medicinal Chemistry, School of Pharmacy, University of Seville, Seville, 41012, Spain
| | - Yinfeng He
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | - Gustavo F Trindade
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
- Material Science Institute of Seville, CSIC/US, Seville, 41092, Spain
| | - Ricky Wildman
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | | | - Aila Jimenez-Ruiz
- Department of Physical Chemistry, School of Pharmacy, University of Seville, Seville, 41012, Spain.
| | - Rafael Prado-Gotor
- Department of Physical Chemistry, School of Pharmacy, University of Seville, Seville, 41012, Spain.
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21
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Benmassaoud MM, Gultian KA, DiCerbo M, Vega SL. Hydrogel screening approaches for bone and cartilage tissue regeneration. Ann N Y Acad Sci 2019; 1460:25-42. [DOI: 10.1111/nyas.14247] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 08/27/2019] [Accepted: 09/10/2019] [Indexed: 12/17/2022]
Affiliation(s)
| | | | - Matthew DiCerbo
- Department of Biomedical EngineeringRowan University Glassboro New Jersey
| | - Sebastián L. Vega
- Department of Biomedical EngineeringRowan University Glassboro New Jersey
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22
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Uziel A, Shpigel T, Goldin N, Lewitus DY. Three-dimensional printing for drug delivery devices: a state-of-the-art survey. ACTA ACUST UNITED AC 2019. [DOI: 10.2217/3dp-2018-0023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Over the last several decades, 3D printing technology, which encompasses many different fabrication techniques, had emerged as a promising tool in many fields of production, including the pharmaceutical industry. Specifically, 3D printing may be advantageous for drug delivery systems, systems aiming to improve the pharmacokinetics of drugs. These advantages include the ease of designing complex shapes, printing of drugs on demand, tailoring dosage to the specific needs of the patient and enhancing the bioavailability of drugs. This paper reviews the most recent advancements in this field, presenting both the abilities and limitations of several promising 3D printing methods.
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Affiliation(s)
- Almog Uziel
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
| | - Tal Shpigel
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
| | - Nir Goldin
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
| | - Dan Y Lewitus
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
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23
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Jain A, Bansal KK, Tiwari A, Rosling A, Rosenholm JM. Role of Polymers in 3D Printing Technology for Drug Delivery - An Overview. Curr Pharm Des 2019; 24:4979-4990. [DOI: 10.2174/1381612825666181226160040] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/12/2018] [Accepted: 12/20/2018] [Indexed: 02/08/2023]
Abstract
Background:
3D printing (3DP) is an emerging technique for fabrication of a variety of structures and
complex geometries using 3D model data. In 1986, Charles Hull introduced stereolithography technique that took
advances to beget new methods of 3D printing such as powder bed fusion, fused deposition modeling (FDM),
inkjet printing, and contour crafting (CC). Being advantageous in terms of less waste, freedom of design and
automation, 3DP has been evolved to minimize incurred cost for bulk production of customized products at the
industrial outset. Due to these reasons, 3DP technology has acquired a significant position in pharmaceutical
industries. Numerous polymers have been explored for manufacturing of 3DP based drug delivery systems for
patient-customized medication with miniaturized dosage forms.
Method:
Published research articles on 3D printed based drug delivery have been thoroughly studied and the
polymers used in those studies are summarized in this article.
Results:
We have discussed the polymers utilized to fabricate 3DP systems including their processing considerations,
and challenges in fabrication of high throughput 3DP based drug delivery systems.
Conclusion:
Despite several advantages of 3DP in drug delivery, there are still a few issues that need to be addressed
such as lower mechanical properties and anisotropic behavior, which are obstacles to scale up the technology.
Polymers as a building material certainly plays crucial role in the final property of the dosage form. It is
an effort to bring an assemblage of critical aspects for scientists engaged in 3DP technology to create flexible,
complex and personalized dosage forms.
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Affiliation(s)
- Ankit Jain
- Institute of Pharmaceutical Research, GLA University, NH-2, Mathura-Delhi Road, Mathura (U.P.), India
| | - Kuldeep K. Bansal
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Abo Akademi University, 20520 Turku, Finland
| | - Ankita Tiwari
- Pharmaceutics Research Projects Laboratory, Department of Pharmaceutical Sciences, Dr. Hari Singh Gour Central University, Sagar (M.P.), India
| | - Ari Rosling
- Laboratory of Polymer Technology, Centre of Excellence in Functional Materials at Biological Interfaces, Åbo Akademi University, Biskopsgatan 8, 20500 Turku, Finland
| | - Jessica M. Rosenholm
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Abo Akademi University, 20520 Turku, Finland
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24
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Recent advances in pharmaceutical dosage forms and devices using additive manufacturing technologies. Drug Discov Today 2019; 24:636-643. [DOI: 10.1016/j.drudis.2018.11.019] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 10/16/2018] [Accepted: 11/24/2018] [Indexed: 12/20/2022]
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25
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Siepmann J, Faham A, Clas SD, Boyd BJ, Jannin V, Bernkop-Schnürch A, Zhao H, Lecommandoux S, Evans JC, Allen C, Merkel OM, Costabile G, Alexander MR, Wildman RD, Roberts CJ, Leroux JC. Lipids and polymers in pharmaceutical technology: Lifelong companions. Int J Pharm 2019; 558:128-142. [PMID: 30639218 DOI: 10.1016/j.ijpharm.2018.12.080] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/22/2018] [Accepted: 12/24/2018] [Indexed: 02/06/2023]
Abstract
In pharmaceutical technology, lipids and polymers are considered pillar excipients for the fabrication of most dosage forms, irrespective of the administration route. They play various roles ranging from support vehicles to release rate modifiers, stabilizers, solubilizers, permeation enhancers and transfection agents. Focusing on selected applications, which were discussed at the Annual Scientific Meeting of the Gattefossé Foundation 2018, this manuscript recapitulates the fundamental roles of these two important classes of excipients, either employed alone or in combination, and provides insight on their functional properties in various types of drug formulations. Emphasis is placed on oral formulations for the administration of active pharmaceutical ingredients with low aqueous solubilities or poor permeation properties. Additionally, this review article covers the use of lipids and polymers in the design of colloidal injectable delivery systems, and as substrates in additive manufacturing technologies for the production of tailor-made dosage forms.
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Affiliation(s)
- Juergen Siepmann
- University of Lille, Inserm, CHU Lille, U1008, 59000 Lille, France
| | - Amina Faham
- DuPont Health & Nutrition (formerly Dow Pharma Solutions), 8810 Horgen, Switzerland
| | | | - Ben J Boyd
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, Australia
| | | | - Andreas Bernkop-Schnürch
- University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, 6020 Innsbruck, Austria
| | - Hang Zhao
- Laboratoire de Chimie des Polymères Organiques LCPO, UMR 5629 CNRS, Université de Bordeaux, Bordeaux-INP, 33600 Pessac, France
| | - Sébastien Lecommandoux
- Laboratoire de Chimie des Polymères Organiques LCPO, UMR 5629 CNRS, Université de Bordeaux, Bordeaux-INP, 33600 Pessac, France
| | - James C Evans
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S 3M2, Canada
| | - Christine Allen
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S 3M2, Canada
| | - Olivia M Merkel
- Department of Pharmacy, Pharmaceutical Technology and Biopharmacy, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Gabriella Costabile
- Department of Pharmacy, Pharmaceutical Technology and Biopharmacy, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Morgan R Alexander
- Advanced Materials and Healthcare Technologies, School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, UK
| | - Ricky D Wildman
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, UK
| | - Clive J Roberts
- Advanced Materials and Healthcare Technologies, School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, UK
| | - Jean-Christophe Leroux
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland.
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Xia H, Zhao D, Zhu H, Hua Y, Xiao K, Xu Y, Liu Y, Chen W, Liu Y, Zhang W, Liu W, Tang S, Cao Y, Wang X, Chen HH, Zhou G. Lyophilized Scaffolds Fabricated from 3D-Printed Photocurable Natural Hydrogel for Cartilage Regeneration. ACS APPLIED MATERIALS & INTERFACES 2018; 10:31704-31715. [PMID: 30157627 DOI: 10.1021/acsami.8b10926] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Repair of cartilage defects is highly challenging in clinical treatment. Tissue engineering provides a promising approach for cartilage regeneration and repair. As a core component of tissue engineering, scaffolds have a crucial influence on cartilage regeneration, especially in immunocompetent large animal and human. Native polymers, such as gelatin and hyaluronic acid, have known as ideal biomimetic scaffold sources for cartilage regeneration. However, how to precisely control their structure, degradation rate, and mechanical properties suitable for cartilage regeneration remains a great challenge. To address these issues, a series of strategies were introduced in the current study to optimize the scaffold fabrication. First, gelatin and hyaluronic acid were prepared into a hydrogel and 3D printing was adopted to ensure precise control in both the outer 3D shape and internal pore structure. Second, methacrylic anhydride and a photoinitiator were introduced into the hydrogel system to make the material photocurable during 3D printing. Finally, lyophilization was used to further enhance mechanical properties and prolong degradation time. According to the current results, by integrating photocuring 3D printing and lyophilization techniques, gelatin and hyaluronic acid were successfully fabricated into human ear- and nose-shaped scaffolds, and both scaffolds achieved shape similarity levels over 90% compared with the original digital models. The scaffolds with 50% infill density achieved proper internal pore structure suitable for cell distribution, adhesion, and proliferation. Besides, lyophilization further enhanced mechanical strength of the 3D-printed hydrogel and slowed its degradation rate matching to cartilage regeneration. Most importantly, the scaffolds combined with chondrocytes successfully regenerated mature cartilage with typical lacunae structure and cartilage-specific extracellular matrixes both in vitro and in the autologous goat model. The current study established novel scaffold-fabricated strategies for native polymers and provided a novel natural 3D scaffold with satisfactory outer shape, pore structure, mechanical strength, degradation rate, and weak immunogenicity for cartilage regeneration.
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Affiliation(s)
- Huitang Xia
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- Research Institute of Plastic Surgery , Wei Fang Medical College , Wei Fang , Shandong P.R. China
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Dandan Zhao
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- Research Institute of Plastic Surgery , Wei Fang Medical College , Wei Fang , Shandong P.R. China
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Hailin Zhu
- StemEasy Biotech, Ltd. , BridgeBio Park , Jiangyin , Jiangsu 214434 , P.R. China
- State Key Laboratory of Biotherapy , Sichuan University , Chengdu , Sichuan 610041 , P. R. China
| | - Yujie Hua
- Key Laboratory for Advanced Materials Institute of Fine Chemicals East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , P.R. China
| | - Kaiyan Xiao
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Yong Xu
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital , Tongji University School of Medicine , Shanghai , P.R. China
| | - Yanqun Liu
- Research Institute of Plastic Surgery , Wei Fang Medical College , Wei Fang , Shandong P.R. China
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Weiming Chen
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Yu Liu
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Wenjie Zhang
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Wei Liu
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Shengjian Tang
- Research Institute of Plastic Surgery , Wei Fang Medical College , Wei Fang , Shandong P.R. China
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Yilin Cao
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- National Tissue Engineering Center of China , Shanghai , P.R. China
| | - Xiaoyun Wang
- Minhang Branch of Yueyang Hospital of Integrative Chinese & Western Medicine Affiliated to Shanghai University of Traditional Chinese Medicine , Shanghai , P.R. China
| | - Harry Huimin Chen
- StemEasy Biotech, Ltd. , BridgeBio Park , Jiangyin , Jiangsu 214434 , P.R. China
- State Key Laboratory of Biotherapy , Sichuan University , Chengdu , Sichuan 610041 , P. R. China
| | - Guangdong Zhou
- Department of Plastic and Reconstructive Surgery , Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering , Shanghai , P.R. China 200011
- Research Institute of Plastic Surgery , Wei Fang Medical College , Wei Fang , Shandong P.R. China
- National Tissue Engineering Center of China , Shanghai , P.R. China
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27
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Vasilevich A, de Boer J. Robot-scientists will lead tomorrow's biomaterials discovery. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2018. [DOI: 10.1016/j.cobme.2018.03.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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28
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Lovato T, Taresco V, Alazzo A, Sansone C, Stolnik S, Alexander C, Conte C. Rapid formulation of redox-responsive oligo-β-aminoester polyplexes with siRNAviajet printing. J Mater Chem B 2018; 6:6550-6558. [DOI: 10.1039/c8tb01215f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Novel reduction responsive oligo-β-aminoesters were successfully synthesized and condensed with siRNA through an inkjet method, thus showing promising biological response.
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Affiliation(s)
- Tatiana Lovato
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Vincenzo Taresco
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Ali Alazzo
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Caterina Sansone
- Drug Delivery Laboratory
- Department of Pharmacy
- University of Napoli Federico II
- 80131 Napoli
- Italy
| | - Snjezana Stolnik
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Cameron Alexander
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Claudia Conte
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
- Drug Delivery Laboratory
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