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Hao Y, Lu YL, Jiao Z, Su CY. Photocatalysis Meets Confinement: An Emerging Opportunity for Photoinduced Organic Transformations. Angew Chem Int Ed Engl 2024; 63:e202317808. [PMID: 38238997 DOI: 10.1002/anie.202317808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Indexed: 02/04/2024]
Abstract
The self-assembled metal-organic cages (MOCs) have been evolved as a paradigm of enzyme-mimic catalysts since they are able to synergize multifunctionalities inherent in metal and organic components and constitute microenvironments characteristic of enzymatic spatial confinement and versatile host-guest interactions, thus facilitating unconventional organic transformations via unique driving-forces such as weak noncovalent binding and electron/energy transfer. Recently, MOC-based photoreactors emerged as a burgeoning platform of supramolecular photocatalysis, displaying anomalous reactivities and selectivities distinct from bulk solution. This perspective recaps two decades journey of the photoinduced radical reactions by using photoactive metal-organic cages (PMOCs) as artificial reactors, outlining how the cage-confined photocatalysis was evolved from stoichiometric photoreactions to photocatalytic turnover, from high-energy UV-irradiation to sustainable visible-light photoactivation, and from simple radical reactions to multi-level chemo- and stereoselectivities. We will focus on PMOCs that merge structural and functional biomimicry into a single-cage to behave as multi-role photoreactors, emphasizing their potentials in tackling current challenges in organic transformations through single-electron transfer (SET) or energy transfer (EnT) pathways in a simple, green while feasible manner.
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Affiliation(s)
- Yanke Hao
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, LIFM, IGCME, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Yu-Lin Lu
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, LIFM, IGCME, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Zhiwei Jiao
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, LIFM, IGCME, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Cheng-Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, LIFM, IGCME, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
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Yin Y, Gao L, Sun P, Zeng L, Zhao Q, Chen S, Liu J, Wang L. pH/ROS dual stimuli-responsive anionic flexible supramolecular organic frameworks for synergistic therapy. Acta Biomater 2023; 172:395-406. [PMID: 37866724 DOI: 10.1016/j.actbio.2023.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 09/29/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
Supramolecular organic frameworks (SOFs) have emerged as a promising class of organic porous materials with vast potential as nanocarriers for combination therapy. Here, we successfully construct an anionic flexible supramolecular organic framework (TPP-SOF) by leveraging multiple host-guest interactions. TPP-SOF is fabricated by the hierarchical orthogonal assembly between anionic water-soluble dimacrocyclic host (P5CD), porphyrin photosensitizers (TPP), and ROS-sensitive thioketal linked adamantane dimer (Ada-S-Ada). TPP-SOF exhibits pH-dependent activation of 1O2 production, which further facilitates the cleavage of Ada-S-Ada linker and promotes the disintegration of the framework. Moreover, leveraging electrostatic and hydrophobic interactions, the anionic TPP-SOF serves as an effective platform for loading cationic photosensitizer IR780 and chemotherapeutic prodrug PhenPt(IV), leading to the formation of supramolecular nanoparticles (IR780/Pt@TPP-SOF) for synergistic therapy. The obtained nanoparticles exhibit good stability, efficient generation of 1O2, and photothermal performance. In vitro and in vivo studies indicate that IR780/Pt@TPP-SOF exhibits remarkable synergistic chemo/PDT/PTT effects under 808 and 660 nm light irradiation. This study showcases a deep insight for the development of SOFs and a new approach for delivering cationic drugs and constructing synergistic combination therapy systems. STATEMENT OF SIGNIFICANCE: In this work, a pH/ROS-responsive anionic flexible supramolecular organic framework, TPP-SOF, was innovatively designed by the hierarchical orthogonal assembly, to co-deliver cationic photosensitizer IR780 and prodrug PhenPt(IV) for synergistic cancer therapy. The drug-loaded TPP-SOF is termed IR780/Pt@TPP-SOF, in which the photoactivity of porphyrin within TPP-SOF could be activated under acidic conditions, the 1O2 generated by the photosensitizers could break the thioketal bonds in Ada-S-Ada, leading to the disassembly of the framework and releasing the drugs. This supramolecular drug delivery system displays good biocompatibility and exhibits remarkable synergistic chemo/PDT/PTT effects.
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Affiliation(s)
- Yongfei Yin
- The Institute for Advanced Studies, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Liping Gao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, Hubei 430071, China
| | - Penghao Sun
- The Institute for Advanced Studies, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Lingxiu Zeng
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, Hubei 430071, China
| | - Qiu Zhao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, Hubei 430071, China; Hubei Clinical Center & Key Lab of Intestinal & Colorectal Diseases, Wuhan, Hubei 430071, China.
| | - Shigui Chen
- The Institute for Advanced Studies, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China.
| | - Jing Liu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, Hubei 430071, China; Hubei Clinical Center & Key Lab of Intestinal & Colorectal Diseases, Wuhan, Hubei 430071, China.
| | - Lu Wang
- The Institute for Advanced Studies, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China.
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Zhang RZ, Liu H, Xin CL, Han N, Ma CQ, Yu S, Wang YB, Xing LB. Construction of aggregation-induced emission photosensitizers through host-guest interactions for photooxidation reaction and light-harvesting. J Colloid Interface Sci 2023; 651:894-901. [PMID: 37573735 DOI: 10.1016/j.jcis.2023.07.133] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/15/2023] [Accepted: 07/21/2023] [Indexed: 08/15/2023]
Abstract
In the present work, we have designed and synthesized a triphenylamine modified cyanophenylenevinylene derivative (TPCI), which can self-assembly with cucurbit[6]uril (CB[6]) and cucurbit[8]uril (CB[8]) through host-guest interactions to form supramolecular complexes (TPCI-CB[6]) and supramolecular polymers (TPCI-CB[8]) in the aqueous solution. The supramolecular assemblies of TPCI-CB[6] and TPCI-CB[8] not only exhibited high singlet oxygen (1O2) production efficiency as photosensitizers, but also realized the application in the construction of artificial light-harvesting systems due to the excellent fluorescence properties in the aqueous solution. The production efficiency of 1O2 has been effectively improved after the addition of CB[6] and CB[8] for TPCI, which were applied as efficient photosensitizers in the photooxidation reactions of thioanisole and its derivatives with the highest yield of 98% in the aqueous solution. The excellent fluorescence properties of TPCI-CB[6] and TPCI-CB[8] can be used as energy donors in artificial light-harvesting systems with energy acceptors sulforhodamine 101 (SR101) and cyanine dye 5 (Cy5), in which one-step energy transfer processes of TPCI-CB[6]+SR101 and TPCI-CB[8]+Cy5, and a two-step sequential energy transfer process of TPCI-CB[6]+SR101+Cy5 were constructed to simulate the natural photosynthesis system.
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Affiliation(s)
- Rong-Zhen Zhang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Hui Liu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Cheng-Long Xin
- Shandong Center for Disease Control and Prevention, Jinan 255014, PR China
| | - Ning Han
- Department of Materials Engineering, KU Leuven, Leuven 3001, Belgium.
| | - Chao-Qun Ma
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Shengsheng Yu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Yue-Bo Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China.
| | - Ling-Bao Xing
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China.
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Zhang C, Zeng F, Fan Z, He Z, Tai L, Peng Q, Zhang Y, Chao Z, Jiang W, Jia L, Han L. An oral polyphenol host-guest nanoparticle for targeted therapy of inflammatory bowel disease. Acta Biomater 2023; 169:422-433. [PMID: 37597682 DOI: 10.1016/j.actbio.2023.08.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 08/04/2023] [Accepted: 08/11/2023] [Indexed: 08/21/2023]
Abstract
Inflammatory bowel disease (IBD) is a global public health challenge that affects millions of people. Current medical treatments for IBD are not fully effective and may cause undesirable side effects on patients. Thus, there is an urgent need for safe, simple, and efficacious strategies to treat IBD in clinical settings. Here, we develop an oral polyphenol nanoparticle (PDT) by assembling dexamethasone sodium phosphate (DSP)-loaded poly-β-cyclodextrin with tannic acid via host-guest interactions for treating IBD. This one-step assembly process is rapid (within 10 s), reproducible, and free of harmful chemical agents, which can facilitate its clinical translation. PDT is negatively charged due to the three components, which enable it to specifically target the positively charged inflamed colonic mucosa through electrostatic attraction, thus localizing the drug at the inflamed site to reduce systemic exposure and side effects. Furthermore, PDT exhibits a strong reactive oxygen species (ROS)-scavenging ability derived from the tannic acid component, which can alleviate ROS-mediated inflammatory responses and ameliorate IBD symptoms. Compared with free DSP, PDT demonstrates sustained DSP release behavior in vitro and in vivo, as well as enhanced therapeutic efficacy in a colitis mouse model. These results suggest that PDT might be a potential therapeutic agent for the treatment of IBD. Moreover, this facile polyphenol host-guest assembly strategy may provide a promising drug-delivery platform for treating various diseases STATEMENT OF SIGNIFICANCE: To develop safe and effective treatments for inflammatory bowel disease (IBD), we have designed an oral polyphenol nanoparticle (PDT) using the host-guest assembly of dexamethasone sodium phosphate (DSP)-loaded poly-β-cyclodextrin with tannic acid. Through in vitro and in vivo experiments, PDT has demonstrated remarkable inflammation-targeting, ROS-scavenging, and anti-inflammatory properties, along with sustained release of DSP. Moreover, in an IBD mouse model, PDT has shown significantly improved therapeutic efficacy compared to free DSP. The host-guest assembly strategy employed for PDT is noteworthy for its rapidity, reproducibility, and safety due to the absence of harmful chemicals, holding great promise for designing a diverse range of nanomedicines customized for treating various diseases.
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Affiliation(s)
- Chong Zhang
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Fen Zeng
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Zhengyang Fan
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Zhen He
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Liang Tai
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Qiang Peng
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Yixin Zhang
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Zhenhua Chao
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Wenning Jiang
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China
| | - Lingyun Jia
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China.
| | - Lulu Han
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, PR China.
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Ren P, Yang L, Wei D, Liang M, Xu L, Zhang T, Hu W, Zhang Z, Zhang Q. Alginate/polyacrylamide host-guest supramolecular hydrogels with enhanced adhesion. Int J Biol Macromol 2023; 242:124885. [PMID: 37196725 DOI: 10.1016/j.ijbiomac.2023.124885] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/30/2023] [Accepted: 05/12/2023] [Indexed: 05/19/2023]
Abstract
Although injectable hydrogels with minimally invasive delivery have garnered significant interest, their potential applications have been restricted by a singular property. In this study, a supramolecular hydrogel system with improved adhesion was constructed through host-guest interactions between alginate and polyacrylamide. The maximum tensile adhesion strength between the β-cyclodextrin and dopamine-grafted alginate/adamantane-grafted polyacrylamide (Alg-βCD-DA/PAAm-Ad, namely AβCDPA) hydrogels and pigskin reached 19.2 kPa, which was 76 % stronger than the non-catechol-based control hydrogel (β-cyclodextrin-grafted alginate/adamantane-grafted polyacrylamide, Alg-βCD/PAAm-Ad). Moreover, the hydrogels demonstrated excellent self-healing, shear-thinning, and injectable properties. The required pressure to extrude the AβCDPA2 hydrogel from a 16G needle at a rate of 2.0 mL/min was 67.4 N. As the polymer concentration and adamantane substitution degree increased, the hydrogels exhibited higher modulus, stronger network structure, and lower swelling ratio and degradation rate. Encapsulating and culturing cells within these hydrogels demonstrated good cytocompatibility. Therefore, this hydrogel can serve as a viscosity extender or bioadhesive, and as a carrier material to deliver encapsulated therapeutic substances into the body through minimally invasive injection methods.
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Affiliation(s)
- Pengfei Ren
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Liuxin Yang
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Dandan Wei
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Min Liang
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Li Xu
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Tianzhu Zhang
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Wanjun Hu
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China; Sichuan Provincial Engineering Research Center of Functional Development and Application of High Performance Special Textile Materials, Chengdu Textile College, Chengdu, 611731, China
| | - Zhigang Zhang
- Department of General Surgery, Affiliated ZhongDa Hospital, Southeast University, Dingjiaqiao 87, Nanjing 210009, China
| | - Qianli Zhang
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou 215009, China
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Liu X, Zhang Y, Liu Y, Hua S, Meng F, Ma Q, Kong L, Pan S, Che Y. Injectable, self-healable and antibacterial multi-responsive tunicate cellulose nanocrystals strengthened supramolecular hydrogels for wound dressings. Int J Biol Macromol 2023; 240:124365. [PMID: 37030460 DOI: 10.1016/j.ijbiomac.2023.124365] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/24/2023] [Accepted: 04/04/2023] [Indexed: 04/10/2023]
Abstract
Wound dressing with an improved structural and functional recapitulation of damaged organs, efficient self-healing and antibacterial properties that can well integrate with tissue are urgently needed in wound management. Supramolecular hydrogels confer control over structural properties in a reversible, dynamic and biomimetic fashion. Herein, a kind of injectable, self-healing and antibacterial supramolecular hydrogel with multi-responses were fabricated by mixing phenylazo-terminated Pluronic F127, quaternized chitosan-graft-cyclodextrin and polydopamine coated tunicate cellulose nanocrystals under physiological conditions. By exploiting the photoisomerization of azobenzene under different wavelengths, a supramolecular hydrogel featuring a changing crosslink density of network was obtained. The corporation of polydopamine coated tunicate cellulose nanocrystals strengthens the hydrogel network with Schiff base bonds and hydrogen bonds, which avoids complete gel-sol transition. The inherent antibacterial property, drug release behavior, self-healing ability, hemostatic performance and biocompatibility were investigated to confirm superiority in wound healing. Moreover, the curcumin loaded hydrogel (Cur-hydrogel) showed multi-responsive release profiles (light, pH, and temperature). A full-thickness skin defect model was built to confirm that Cur-hydrogels significantly accelerated wound healing rate with better granulation tissue thickness and collagen disposition. Overall, the novel photo-responsive hydrogel with coherent antibacterial property has great potential in the healthcare of wound healing.
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Affiliation(s)
- Xiaonan Liu
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China
| | - Yujie Zhang
- Pathology Department, Weihai Municipal Hospital, Shandong University, Peace Rd.70, Weihai, Shandong Province 264200, PR China
| | - Yijie Liu
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China
| | - Shengming Hua
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China
| | - Fanjun Meng
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China
| | - Qinglin Ma
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China
| | - Lingming Kong
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China
| | - Shihui Pan
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China
| | - Yuju Che
- Marine College, Shandong University (Weihai), Wenhua West Rd., Weihai, Shandong Province 264209, PR China.
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Wang Y, Xu J, Wang R, Liu H, Yu S, Xing LB. Supramolecular polymers based on host-guest interactions for the construction of artificial light-harvesting systems. Spectrochim Acta A Mol Biomol Spectrosc 2022; 279:121402. [PMID: 35636137 DOI: 10.1016/j.saa.2022.121402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 05/08/2022] [Accepted: 05/15/2022] [Indexed: 06/15/2023]
Abstract
In the present work, artificial light-harvesting systems with a fluorescence resonance energy transfer (FRET) process were successfully obtained in the aqueous solution. We designed and synthesized an amphiphilic pyrene derivative with two 4-vinylpyridium arms (Pmvb), which can interact with cucurbit[8]uril (CB[8]) to form supramolecular polymer through host-guest interactions in aqueous solution. The formation of supramolecular polymers results in a significant enhancement of fluorescence, which makes Pmvb-CB[8] an ideal energy donor to construct artificial light-harvesting systems in the aqueous solution. Subsequently, two different fluorescence dyes Rhodamine B (RhB) and Sulforhodamine 101 (SR101) were introduced as energy acceptors into the solution of Pmvb-CB[8] respectively, to fabricate two different artificial light-harvesting systems. The obtained artificial light-harvesting systems can achieve an efficient energy transfer process from Pmvb-CB[8] to RhB or SR101 with high energy transfer efficiency.
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Affiliation(s)
- Ying Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Juan Xu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Rongzhou Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Hui Liu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China
| | - Shengsheng Yu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China.
| | - Ling-Bao Xing
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, PR China.
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Li J, Ding Y, Cheng Q, Gao C, Wei J, Wang Z, Huang Q, Wang R. Supramolecular erythrocytes-hitchhiking drug delivery system for specific therapy of acute pneumonia. J Control Release 2022; 350:777-86. [PMID: 35995300 DOI: 10.1016/j.jconrel.2022.08.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/26/2022] [Accepted: 08/14/2022] [Indexed: 12/15/2022]
Abstract
Acute pneumonia is an inflammatory syndrome often associated with severe multi-organ dysfunction and high mortality. The therapeutic efficacy of current anti-inflammatory medicines is greatly limited due to the short systemic circulation and poor specificity in the lungs. New drug delivery systems (DDS) are urgently needed to efficiently transport anti-inflammatory drugs to the lungs. Here, we report an inflammation-responsive supramolecular erythrocytes-hitchhiking DDS to extend systemic circulation of the nanomedicine via hitchhiking red blood cells (RBCs) and specifically "drop off" the payloads in the inflammatory lungs. β-cyclodextrin (β-CD) modified RBCs and ferrocene (Fc) modified liposomes (NP) were prepared and co-incubated to attach NP to RBCs via β-CD/Fc host-guest interactions. RBCs extended the systemic circulation of the attached NP, meanwhile, the NP may get detached from RBCs due to the high ROS level in the inflammatory lungs. In acute pneumonia mice, this strategy delivered curcumin specifically to the lungs and effectively alleviated the inflammatory syndrome.
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Ding YF, Huang Q, Quan X, Cheng Q, Li S, Zhao Y, Mok GSP, Wang R. Supramolecularly functionalized platelets for rapid control of hemorrhage. Acta Biomater 2022; 149:248-257. [PMID: 35820594 DOI: 10.1016/j.actbio.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 11/01/2022]
Abstract
Excessive bleeding has always been of great medical challenge, particularly in trauma and surgery. Due to the fast clearance of medicine and complex hemodynamics during hemorrhage, it is often difficult to achieve rapid and effective hemostasis on irregularly shaped, noncompressible visceral bleeding wounds. Herein, we report a hemostatic derived from supramolecularly functionalized platelets (SPLTs), showing rapid hemorrhage controlling effects via efficiently targeting injured vessels and in-situ aggregation. Von Willebrand factor-binding peptide (VBP) modified hyaluronic acid (HA-VBP) decorated platelets (PLTs) were fabricated via supramolecular host-guest interactions between cucurbit[7]uril (CB[7], a host molecule) modified on HA-VBP (HA-CB[7]-VBP) and adamantane (ADA, a guest molecule) anchored on the surface of PLTs (ADA-PLTs). The SPLTs demonstrated approximately 10-fold improvements than the native PLTs in the targeting efficiency into the injured vessels in mice upon intravenous injection. More significantly, the total bleeding time and bleeding volume were dramatically reduced down to less than 1/4 and 1/10 of the control group, respectively, in both external and internal major bleeding mice models. This SPLTs provide a facile yet effective approach for rapid control of major hemorrhage and offers important new insights to the design and development PLTs-based hemostatics. STATEMENT OF SIGNIFICANCE: Hemorrhage is one of the greatest threats to humans in trauma and surgery. To reduce bleeding volume and time, transfusion of hematological products such as platelets (PLTs)-rich plasma is one of the most commonly used therapeutics, but with low targeting and hemostatic efficiency. Thus, engineered PLTs with expanded structural repertoire and functionalities are in urgent clinical needs. Herein, we developed supramolecularly functionalized PLTs (SPLTs), prepared with a mild and facile approach, for rapid control of hemorrhage with significantly enhanced targeting efficiency. The SPLTs not only provide a facile approach for rapid control of major hemorrhage, but also offer important new insights into the development PLTs-based hemostatics.
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Affiliation(s)
- Yuan-Fu Ding
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China; Biomedical Imaging Laboratory (BIG), Department of Electrical and Computer Engineering, University of Macau, Taipa, Macau, China
| | - Qiaoxian Huang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China
| | - Xingping Quan
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China
| | - Qian Cheng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China
| | - Shengke Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China
| | - Yonghua Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China; Department of Pharmaceutical Sciences, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Greta S P Mok
- Biomedical Imaging Laboratory (BIG), Department of Electrical and Computer Engineering, University of Macau, Taipa, Macau, China.
| | - Ruibing Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China; Department of Pharmaceutical Sciences, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.
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Ding Y, Wang C, Ma Y, Zhu L, Lu B, Wang Y, Wang J, Dong CM, Yao Y. Tumor microenvironment responsive polypeptide-based supramolecular nanoprodrugs for combination therapy. Acta Biomater 2022; 146:396-405. [PMID: 35470074 DOI: 10.1016/j.actbio.2022.04.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/08/2022] [Accepted: 04/14/2022] [Indexed: 12/15/2022]
Abstract
Tumor microenvironment responsive nanomedicine has drawn considerable attention for combination therapy, but still remains a significant challenge for less side effects and enhanced anti-tumor efficiency. Herein, we develop a pH/ROS dual-responsive supramolecular polypeptide nanoprodrug (PFW-DOX/GOD) by using pillar[5]arene-based host-guest strategy for combined glucose degradation, chemodynamic therapy (CDT), and chemotherapy (CT). The PFW-DOX/GOD consists of a pH-responsive ferrocene/pillar[5]arene-containing polypeptide, a ROS-responsive polyprodrug, and encapsulated glucose oxidase (GOD). Upon into intracellular acidic environment, PFW-DOX/GOD exhibits rapid pH-triggered disassembly behavior. Simultaneously, the released GOD can catalyze intratumoral glucose into massive H2O2, which are further converted into highly toxic hydroxyl radicals (•OH) by the catalysis of ferrocene via the Fenton reaction. Thereafter, induced by the ROS-responsive cleavage of thioketal linkage, the conjugated DOX prodrug was released and activated. The combined glucose degradation, chemodynamic therapy (CDT), and chemotherapy (CT) of PFW-DOX/GOD present anti-tumor effect with 96% of tumor inhibitory rate (TIR). Therefore, such tumor microenvironment-responsive supramolecular polypeptide nanoprodrugs represent a potential candidate for combination therapy with minimal side effects. STATEMENT OF SIGNIFICANCE: In this work, a tumor microenvironment-responsive supramolecular polypeptide nanoprodrug (PFW-DOX/GOD) was prepared via pillar[5]arene-based host-guest interactions, and presented low side effects and high tumor accumulation owing to the diameters of about 200 nm and surface PEG segment. After pH-responsive release of GOD in the intracellular acidic environment, the cascade catalytic reactions including GOD-catalyzed degradation of intratumoral glucose and Fenton reaction, effectively happened to generate •OH for chemodynamic therapy (CDT), which subsequently induced the cleavage of thioketal linkage to activate free DOX for chemotherapy (CT). Collectively, this supramolecular polypeptide nanoprodrugs provide a promising strategy for combination therapy with synergetic anti-tumor effect.
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Affiliation(s)
- Yue Ding
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China.
| | - Chenwei Wang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China
| | - Yuxuan Ma
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China
| | - Lvming Zhu
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China
| | - Bing Lu
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China
| | - Yang Wang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China
| | - Jin Wang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China
| | - Chang-Ming Dong
- Joint Research Center for Precision Medicine, School of Chemistry and Chemical Engineering, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, PR China.
| | - Yong Yao
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China.
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Ding Y, Wang C, Ma Y, Zhu L, Lu B, Wang Y, Wang J, Chen T, Dong CM, Yao Y. pH/ROS dual-responsive supramolecular polypeptide prodrug nanomedicine based on host-guest recognition for cancer therapy. Acta Biomater 2022; 143:381-91. [PMID: 35272024 DOI: 10.1016/j.actbio.2022.03.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/11/2022] [Accepted: 03/02/2022] [Indexed: 12/13/2022]
Abstract
Supramolecular nanomedicine assembly combined with polypeptide prodrug could become a powerful strategy to minimize drug leakage in blood circulation and trigger sufficient drug release at tumor tissue. Here, we developed a charge-reversal amphiphilic pillar[5]arene-modified polypeptide (P5-PLL-DMA), and reactive oxygen species (ROS)-sensitive polypeptide prodrug (P-PLL-DOX) including a ROS-cleavable thioketal (TK) linker between doxorubicin (DOX) and poly(L-lysine) (PLL), which could assemble via pillar[5]arene host-guest recognition, and further encapsulate chlorin e6 (Ce6) to obtain a supramolecular polypeptide prodrug (SPP-DOX/Ce6). The chemical conjugation to load drugs of DOX and the negatively charge of SPP-DOX/Ce6 could prevent premature drug leakage, and reduce undesirable interaction with serum proteins to enhance stability under physiological conditions (pH 7.4). Simultaneously, the carried charge of SPP-DOX/Ce6 reversed from negative to positive could effectively enhance the cellular internalization for efficient DOX delivery under acidic tumor microenvironment (pH 6.5). Upon 660 nm near-infrared light (NIR) irradiation, the ROS generated by encapsulated Ce6 rapidly cleaved the TK linker to release activated DOX, inducing the tumor-specific drug delivery. This intelligent supramolecular polypeptide prodrug based on pillar[5]arene host-guest recognition represents new avenues to develop stimulus responsive prodrug for enhanced cancer therapy with minimized the side effect. STATEMENT OF SIGNIFICANCE: In this work, a pH/ROS dual-sensitive supramolecular polypeptide prodrug (SPP-DOX/Ce6) was developed to minimize drug leakage in blood circulation and trigger sufficient drug release at tumor tissue. The chemical conjugation to load drugs of DOX via a ROS-cleavable thioketal (TK) linker and the distinctive charge-reversal capacity of SPP-DOX/Ce6 significantly enhances the stability under physiological conditions (pH 7.4), while facilitates cellular uptake at tumor site (pH 6.8). Upon 660 nm near-infrared light (NIR) irradiation, the ROS generated by encapsulated Ce6 induces the rapid cleavage of TK linker to release activated DOX, achieving a tumor-specific drug delivery. This intelligent supramolecular polypeptide prodrug SPP-DOX/Ce6 provides an effective strategy to construct stimulus responsive prodrug for enhanced cancer therapy.
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Wang J, Wang D, Cen M, Jing D, Bei J, Huang Y, Zhang J, Lu B, Wang Y, Yao Y. GOx-assisted synthesis of pillar[5]arene based supramolecular polymeric nanoparticles for targeted/synergistic chemo-chemodynamic cancer therapy. J Nanobiotechnology 2022; 20:33. [PMID: 35016673 PMCID: PMC8753913 DOI: 10.1186/s12951-021-01237-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 12/30/2021] [Indexed: 12/31/2022] Open
Abstract
Background Cancer is the most serious world's health problems on the global level and various strategies have been developed for cancer therapy. Pillar[5]arene-based supramolecular therapeutic nano-platform (SP/GOx NPs) was constructed successfully via orthogonal dynamic covalent bonds and intermolecular H-bonds with the assistance of glucose oxidase (GOx) and exhibited efficient targeted/synergistic chemo-chemodynamic cancer therapy. Methods The morphology of SP/GOx NPs was characterized by DLS, TEM, SEM and EDS mapping. The cancer therapy efficinecy was investigated both in vivo and in vitro. Results SP/GOx NPs can load drug molecules (Dox) and modify target molecule (FA-Py) on its surface conveniently. When the resultant FA-Py/SP/GOx/Dox NPs enters blood circulation, FA-Py will target it to cancer cells efficiently, where GOx can catalyst the overexpressed glucose to generate H2O2. Subsequently, the generated H2O2 in cancer cells catalyzed by ferrocene unit to form •OH, which can kill cancer cells. Furthermore, the loaded Dox molecules released under acid microenvironment, which can further achieve chemo-therapy. Conclusion All the experiments showed that the excellent antitumor performance of FA-Py/SP/GOx/Dox NPs, which provided an new method for pillar[5]arene-based supramolecular polymer for biomedical applications. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01237-0.
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Affiliation(s)
- Jin Wang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Di Wang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Moupan Cen
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Danni Jing
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Jiali Bei
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Youyou Huang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Jiannan Zhang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Bing Lu
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China
| | - Yang Wang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China.
| | - Yong Yao
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu, 22 6019, People's Republic of China.
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Ren Z, Ke T, Ling Q, Zhao L, Gu H. Rapid self-healing and self-adhesive chitosan-based hydrogels by host-guest interaction and dynamic covalent bond as flexible sensor. Carbohydr Polym 2021; 273:118533. [PMID: 34560946 DOI: 10.1016/j.carbpol.2021.118533] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/21/2021] [Accepted: 07/29/2021] [Indexed: 02/01/2023]
Abstract
A sensor used to monitor tissue deformation requires good flexibility, stretchability, self-adhesion, cyto-compatibility, and antibacterial property. Here, we prepared hydrogel sensor based on O-carboxymethyl chitosan (O-CMCS) and poly(vinyl alcohol) (PVA) for monitoring human and organ motions. Based on the host-guest complexing of poly(β-cyclodextrin) with diamantane, a cross-linker containing multiple aldehyde groups was prepared for cross-linking with O-CMCS through Schiff base linkages. Borax was used as the second cross-linker to cross-link PVA through dynamic borate ester bonds. Carbon nanotubes (CNTs) were added into the hydrogels to improve their electrical conductivity and mechanical properties. The obtained hydrogel exhibited rapid self-healing ability with healing efficiency as high as 97%-103% (in 15 s), good adhesion to human skin and wet organ, good antibacterial property, cyto-compatibility, and stretchability. Furthermore, the hydrogel sensor can monitor the respiratory movement of porcine lungs and the beating of rat hearts.
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Affiliation(s)
- Zhijun Ren
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China; National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Tao Ke
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China; National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Qiangjun Ling
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China; National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Li Zhao
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China; National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Haibin Gu
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China; National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China.
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Dong J, Chen W, Qin D, Chen Y, Li J, Wang C, Yu Y, Feng J, Du X. Cyclodextrin polymer-valved MoS 2-embedded mesoporous silica nanopesticides toward hierarchical targets via multidimensional stimuli of biological and natural environments. J Hazard Mater 2021; 419:126404. [PMID: 34153613 DOI: 10.1016/j.jhazmat.2021.126404] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 06/05/2021] [Accepted: 06/11/2021] [Indexed: 06/13/2023]
Abstract
Targeted delivery of pesticides towards pests and pathogens can significantly improve the bioavailability and efficacy of pesticides and minimize the impact on the environment. Cyclodextrin polymer (CDP)-valved, benzimidazole functionalized, MoS2-embedded mesoporous silica (MoS2@MSN@CDP) nanopesticides were constructed toward hierarchical biological targets of pests, pathogens, and foliage. The splash and bounce of the aqueous droplets containing MoS2@MSN@CDP nanoparticles in the presence of Aersosol OT on superhydrophobic surfaces were well inhibited available for excellent wetting to prevent pesticides from losing to the environment. The multivalent supramolecular nanovalves between CDP and the functionalized benzimidazole moieties could be activated for the controlled release of pesticides in the cases of low pH and α-amylase. It is the first time to report the foliage-triggered controlled release of pesticides, owing to the competitive binding of epicuticular wax components to CDP. Furthermore, thermogenic MoS2 cores triggered the controlled release of pesticides under irradiation of near infrared light. The fungicidal efficacies of the stimuli-responsive nanopesticides against pathogenic fungi Rhizoctonia solani and Fusarium graminearum were demonstrated. It is clear that the smart nanopesticides could realize the controlled release of pesticides toward hierarchical biological targets for enhanced pesticide bioavailability and efficacy via the multidimensional stimuli of pH, α-amylase, epicuticular waxes, and sunlight.
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Affiliation(s)
- Jiangtao Dong
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education), State Key Laboratory of Coordination Chemistry, and School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Wang Chen
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, People's Republic of China
| | - Dunzhong Qin
- Jiangsu Sinvochem S&T Co., Ltd., Yangzhou 211400, People's Republic of China
| | - Yuxia Chen
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education), State Key Laboratory of Coordination Chemistry, and School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Jun Li
- Food Processing Institute of Guizhou Academy of Agricultural Sciences, Guiyang 550006, People's Republic of China
| | - Chen Wang
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education), State Key Laboratory of Coordination Chemistry, and School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Yeqing Yu
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education), State Key Laboratory of Coordination Chemistry, and School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Jianguo Feng
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, People's Republic of China.
| | - Xuezhong Du
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education), State Key Laboratory of Coordination Chemistry, and School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China.
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Zohreband Z, Adeli M, Zebardasti A. Self-healable and flexible supramolecular gelatin/MoS 2 hydrogels with molecular recognition properties. Int J Biol Macromol 2021; 182:2048-2055. [PMID: 34087295 DOI: 10.1016/j.ijbiomac.2021.05.106] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/11/2021] [Accepted: 05/15/2021] [Indexed: 11/28/2022]
Abstract
Two-dimensional MoS2 is emerging as a unique platform for a wide range of biomedical applications including extracellular matrix mimics, drug delivery systems and antimicrobial agents. However, low processability and nonspecific interactions at biointerfaces are serious challenges that hamper the biomedical applications of this nanomaterial. Herein, we show how specific interactions between MoS2 and a gelatin matrix results in a biomimetic hydrogel with the self-healing and molecular recognition properties. β-Cyclodextrin was conjugated to the surface of freshly exfoliated MoS2 through a one pot nucleophilic substitution reaction and the obtained cyclodextrin-functionalized MoS2 was used to construct an injectable, self-healable and flexible supramolecular hydrogel upon host-guest interactions with adamantane-modified gelatin matrix. Incorporation of almost 1 wt% of CDMoS2 into gelatin matrix with 1cm2 cross-section resulted in a hydrogel that was able to tolerate one hundred grams. Also, storage modulus (G'), loss modulus (G″) of the obtained hydrogel was 10 and 25 times higher than that for the neat gelatin, respectively. Due to its self-healing, molecular recognition and mechanical properties as well as its flexibility, injectability, and processability, MoS2gel is a promising candidate for a wide range of future biomedical applications including extracellular matrix mimics and tissue engineering.
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Affiliation(s)
- Zeinab Zohreband
- Department of Chemistry, Lorestan University, Khorramabad, Lorestan 68151-44316, Iran
| | - Mohsen Adeli
- Department of Chemistry, Lorestan University, Khorramabad, Lorestan 68151-44316, Iran.
| | - Abedin Zebardasti
- Department of Chemistry, Lorestan University, Khorramabad, Lorestan 68151-44316, Iran.
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Muguruza AR, de Luis RF, Iglesias N, Bazán B, Urtiaga MK, Larrea ES, Fidalgo-Marijuan A, Barandika G. Encapsulation of β-alanine model amino-acid in zirconium(IV) metal organic frameworks: Defect engineering to improve host guest interactions. J Inorg Biochem 2019; 205:110977. [PMID: 31926376 DOI: 10.1016/j.jinorgbio.2019.110977] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 12/11/2019] [Accepted: 12/24/2019] [Indexed: 12/28/2022]
Abstract
Metal-Organic Frameworks (MOFs) are porous coordination networks assembled through metal complexes with organic linkers. Due to their chemical versatility, these materials are being investigated for various applications including gas storage and separation, biomedicine and catalysis. The aim of this work is the encapsulation of the model β-alanine amino-acid in the nanostructured zirconium-based MOF (UiO-66) which contains the ligand H2BDC (1,4-benzenedicaboxylic acid). Additionally, ligand functionalization (by using H2doBDC (2,5-dihydroxy-1,4-benzenedicarboxylic acid) and defect engineering have been carried out to produce UiO-66 derivatives, in order to modify the host-guest interactions, and hence study their influence on the β-alanine loading capacity and release kinetics. The as-obtained materials have been characterized by X-ray diffraction (XRD), X-ray thermo diffraction (TDX), infrared (IR) spectroscopy, thermogravimetric analysis-differential scanning calorimetry (TG-DSC) and elemental analysis (EA). Morphology of nanoscale MOFs has been explored by transition electron microscopy (TEM). Adsorption isotherms have been constructed, and the concentration of β-alanine in the post-adsorption solution (supernatant) has been quantified by high performance liquid chromatography coupled with mass spectroscopy (HPLC-MS) and EA. Adsorption capacity values indicate that the presence of hydroxyl groups at the organic linker H2doBDC enhances the host-guess affinity between the framework and the adsorbate β-alanine. The influence of defect engineering, on the adsorption however, is not that obvious. On the other hand, desorption experiments show similar behaviour for H2doBDC-based derivatives. An adsorption mechanism has been proposed consisting of a combination of host-guest interaction at low concentrations, and covalent anchoring/ligand displacement by β-alanine at the inorganic clusters.
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Affiliation(s)
- Asier R Muguruza
- Dept. of Inorganic Chemistry, Universidad del País Vasco (UPV/EHU), Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain; BCMaterials, Ed. Martiana Casiano, Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain
| | | | - Naroa Iglesias
- BCMaterials, Ed. Martiana Casiano, Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain
| | - Begoña Bazán
- BCMaterials, Ed. Martiana Casiano, Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain; Dept. of Mineralogy and Petrology, Universidad del País Vasco (UPV/EHU), Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain
| | - Miren-Karmele Urtiaga
- Dept. of Mineralogy and Petrology, Universidad del País Vasco (UPV/EHU), Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain
| | - Edurne S Larrea
- Dept. of Mineralogy and Petrology, Universidad del País Vasco (UPV/EHU), Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain
| | | | - Gotzone Barandika
- Dept. of Inorganic Chemistry, Universidad del País Vasco (UPV/EHU), Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain; BCMaterials, Ed. Martiana Casiano, Barrio Sarriena s/n, Leioa, Bizkaia 48940, Spain.
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Kabir A, Nazeer N, Bissessur R, Ahmed M. Diatoms embedded, self-assembled carriers for dual delivery of chemotherapeutics in cancer cell lines. Int J Pharm 2019; 573:118887. [PMID: 31765771 DOI: 10.1016/j.ijpharm.2019.118887] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 11/10/2019] [Accepted: 11/15/2019] [Indexed: 01/17/2023]
Abstract
The concept of dual drug delivery to treat relapsing tumors is a well-studied approach to improve the antitumor efficacies and to reduce the side effects of single drug chemotherapeutic treatments. One of the major issues with dual drug delivery to treat drug resistant tumors is the concentration and ratio dependent antagonistic behavior of two drugs, which may reverse the anticancer efficacies of individual chemotherapeutics and stimulate the growth of tumor cells. In this paper, we address this issue by developing diatomaceous earth embedded core shell materials, which are capable of encapsulating two chemotherapeutic drugs at constant molar ratios, in different compartments of a single drug delivery carrier. The encapsulation of each drug in different compartments of delivery carrier (core of diatoms versus shell of cyclodextrin) then controls the release rate of both drugs in situ, and maintains the optimal molar ratios required for their synergistic outcomes in vitro.
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Affiliation(s)
- Anayet Kabir
- Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PEI C1A 4P3, Canada
| | - Nauman Nazeer
- Faculty of Sustainable Design & Engineering, University of Prince Edward Island, 550 University Avenue, Charlottetown, PEI C1A 4P3, Canada
| | - Rabin Bissessur
- Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PEI C1A 4P3, Canada
| | - Marya Ahmed
- Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PEI C1A 4P3, Canada; Faculty of Sustainable Design & Engineering, University of Prince Edward Island, 550 University Avenue, Charlottetown, PEI C1A 4P3, Canada.
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Sathish V, Krishnan MM, Velayudham M, Thanasekaran P, Lu KL, Rajagopal S. Host-guest interaction studies of polycyclic aromatic hydrocarbons (PAHs) in alkoxy bridged binuclear rhenium (I) complexes. Spectrochim Acta A Mol Biomol Spectrosc 2019; 222:117160. [PMID: 31176159 DOI: 10.1016/j.saa.2019.117160] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/23/2019] [Accepted: 05/25/2019] [Indexed: 06/09/2023]
Abstract
The interaction of two neutral alkoxy bridged binuclear rhenium(I) complexes, 1 and 2 [{Re(CO)3(1,4-NVP)}2(μ2-OR)2] (1, R = C4H9; 2, R = C10H21; 1,4-NVP = 4-(1-naphthylvinyl)pyridine] with polycyclic aromatic hydrocarbons (PAH) is investigated. UV-vis absorption, emission, 1H NMR spectral titrations, TCSPC lifetime studies and DFT theoretical calculations were carried out to examine the binding responses of complexes 1 and 2 with various PAHs such as pyrene, naphthalene, anthracene and phenanthrene. The UV-Vis absorption spectra showed an increase in absorbance of the metal-to ligand charge-transfer (MLCT) and ligand centered (LC) bands upon addition of various PAH molecules to 1 and 2, whereas the emission behavior was found to show emission quenching, which might occur through energy transfer pathway. The binding constants (K) of complexes 1 and 2 for various PAHs are found to be in the order of 104 M-1 with a 1:1 binding mode, as determined from UV-vis absorption and emission spectral titration studies. 1H NMR spectral studies show that the chemical shifts of pyrene guest and the 1,4-NVP moiety of 2 are shifted up-field, whilst the alkoxy protons do not show any appreciable change in their chemical shifts. It is believed that the open cavities present in the Re(I) complexes may lead to the recognition of PAHs via CH···π interaction.
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Affiliation(s)
- Veerasamy Sathish
- Department of Chemistry, Bannari Amman Institute of Technology, Sathyamangalam 638 401, India
| | - Mani Murali Krishnan
- Department of Chemistry, Bannari Amman Institute of Technology, Sathyamangalam 638 401, India
| | - Murugesan Velayudham
- Department of Chemistry, Thiagarajar College of Engineering, Madurai 625 015, India
| | | | - Kuang-Lieh Lu
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan.
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Bai Y, Liu CP, Xie FY, Ma R, Zhuo LH, Li N, Tian W. Construction of β-cyclodextrin-based supramolecular hyperbranched polymers self-assemblies using AB 2-type macromonomer and their application in the drug delivery field. Carbohydr Polym 2019; 213:411-418. [PMID: 30879686 DOI: 10.1016/j.carbpol.2019.03.017] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/19/2019] [Accepted: 03/04/2019] [Indexed: 01/28/2023]
Abstract
Despite some efforts have been made in the research of supramolecular hyperbranched polymers (SHPs) self-assemblies, the study which has not been consideration to date is the influence of incoming stimuli-responsive polymer chain on their self-assembly property undergo outer stimuli. The introduction of stimuli-responsive segments which could maintain their hydrophilic property are expected to affect the self-assembly behaviour of SHPs and expand their further biomedical application. In this paper, AB2-type macromolecular monomer, LA-(CD-PDMA)2, which consisted one lithocholic acid (LA) and two β-cyclodextrin terminated poly(2-(dimethylamino)ethyl methacrylate) segments (CD-PDMA) was synthesized. LA-(CD-PDMA)2 based SHP were obtained based on the host-guest inclusion interactions of CD/LA moietes and with PDMA as pH-responsive hydrophilic chains. As a control to study the influence of incoming PDMA chains, both LA-(CD-PDMA)2 based SHPs-1 and LA-CD2 based SHPs-2 self-assemblies were comparatively investiged through 2D 1H NMR ROESY, transmission electron microscopy (TEM) and dynamic light scattering (DLS). The results suggested that except for the higher drug loading efficiency LA-(CD-PDMA)2 based SHPs-1 pocessing, the release rates of SHPs-1 increased notably at pH 5.0 than that of pH 7.4 due to the repulsion and stretch of protonated PDMA chains while the release rates of SHPs-2 showed no obvious difference. Finally, basic cell experiments demonstrated that the SHPs based self-assemblies can be internalized into cancer cells, indicating their potential application in the drug delivery field.
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Affiliation(s)
- Yang Bai
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
| | - Cai-Ping Liu
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Fang-Yuan Xie
- Department of Pharmacy, Eastern Hepatobiliary Surgery Hospital, The Second Military Medical University, Shanghai, 200438, China
| | - Ran Ma
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Long-Hai Zhuo
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Na Li
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Wei Tian
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions and Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Science, Northwestern Polytechnical University, Xi'an, 710072, China.
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Sedghi R, Yassari M, Heidari B. Thermo-responsive molecularly imprinted polymer containing magnetic nanoparticles: Synthesis, characterization and adsorption properties for curcumin. Colloids Surf B Biointerfaces 2017; 162:154-162. [PMID: 29190466 DOI: 10.1016/j.colsurfb.2017.11.053] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 10/12/2017] [Accepted: 11/21/2017] [Indexed: 01/30/2023]
Abstract
A novel intelligent thermoresponsive-magnetic molecularly imprinted polymer (TMMIP) nanocomposite based on N-isopropylacrylamide (NIPAM) & Fe3O4 was designed for the controlled & sustained release of Curcumin (CUR) with the ability to response external stimulus. The TMMIP nanocomposite was prepared using acryl functionalized β-cyclodextrin (β-CD) and NIPAM as functional monomers and CUR as target molecule. The recognition cavities which caused by host-guest interactions had direct influence to enhanced drug loading and sustained release of CUR. According to in-vitro release experiment in two different temperatures (below & above LCST of NIPAM) the prolonged & controlled release of CUR were observed. The release rate could be controlled by changing the temperature because of the phase transition behavior of NIPAM monomer. Also, the proposed biosensor displayed effective role in separation science, reasonable adsorption capacity (77mgg-1), fast recognition (10min equilibration), selective extraction toward CUR in the presence of structural analogues and easily separation using external magnetic field. Moreover, the synthesized TMMIP was confirmed by various characterization.
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Affiliation(s)
- Roya Sedghi
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411, Tehran, Iran.
| | - Mehrasa Yassari
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411, Tehran, Iran
| | - Bahareh Heidari
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411, Tehran, Iran
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