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Nguyen HLN, Kim JH. Stimuli-sensitive complexation and the strongly adhesive antibacterial gel from biocompatible PolyAspAm(EA/EDA) and tannic acid. INT J POLYM MATER PO 2020. [DOI: 10.1080/00914037.2020.1848830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Ji-Heung Kim
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Korea
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2
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Nwasike C, Yoo E, Purr E, Doiron AL. Activatable superparamagnetic iron oxide nanoparticles scavenge reactive oxygen species in macrophages and endothelial cells. RSC Adv 2020; 10:41305-41314. [PMID: 35516581 PMCID: PMC9057763 DOI: 10.1039/d0ra06683d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 11/05/2020] [Indexed: 01/11/2023] Open
Abstract
Complexed IPC-SPIOs scavenge intracellular ROS after internalization.
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Affiliation(s)
- Chukwuazam Nwasike
- Department of Biomedical Engineering
- Binghamton University (SUNY)
- Binghamton
- USA
| | - Eunsoo Yoo
- Department of Biomedical Engineering
- Binghamton University (SUNY)
- Binghamton
- USA
| | - Erin Purr
- Department of Biomedical Engineering
- Binghamton University (SUNY)
- Binghamton
- USA
| | - Amber L. Doiron
- Department of Electrical and Biomedical Engineering
- University of Vermont
- Burlington
- USA
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Hussain G, Huang J, Rasul A, Anwar H, Imran A, Maqbool J, Razzaq A, Aziz N, Makhdoom EUH, Konuk M, Sun T. Putative Roles of Plant-Derived Tannins in Neurodegenerative and Neuropsychiatry Disorders: An Updated Review. Molecules 2019; 24:E2213. [PMID: 31200495 PMCID: PMC6630756 DOI: 10.3390/molecules24122213] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 12/21/2022] Open
Abstract
Neurodegenerative and neuropsychiatric diseases are characterized by the structural and functional abnormalities of neurons in certain regions of the brain. These abnormalities, which can result in progressive neuronal degeneration and functional disability, are incurable to date. Although comprehensive efforts have been made to figure out effective therapies against these diseases, partial success has been achieved and complete functional recovery is still not a reality. At present, plants and plant-derived compounds are getting more attention because of a plethora of pharmacological properties, and they are proving to be a better and safer target as therapeutic interventions. This review aims to highlight the roles of tannins, 'the polyphenol phytochemicals', in tackling neurodegenerative diseases including Alzheimer's and Parkinson's diseases as well as neuropsychiatric disorders like depression. Among the multifarious pharmacological properties of tannins, anti-oxidative, anti-inflammatory, and anti-cholinesterase activities are emphasized more in terms of neuroprotection. The current review also throws light on mechanistic pathways by which various classes of tannins execute neuroprotective effects. Despite their beneficial properties, some harmful effects of tannins have also been elaborated.
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Affiliation(s)
- Ghulam Hussain
- Neurochemicalbiology and Genetics Laboratory (NGL), Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Jia Huang
- Center for Precision Medicine, School of Medicine and School of Biomedical Sciences, Huaqiao University, Xiamen 361021, China.
| | - Azhar Rasul
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Haseeb Anwar
- Neurochemicalbiology and Genetics Laboratory (NGL), Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Ali Imran
- Institute of Home and Food Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Javeria Maqbool
- Neurochemicalbiology and Genetics Laboratory (NGL), Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Aroona Razzaq
- Neurochemicalbiology and Genetics Laboratory (NGL), Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Nimra Aziz
- Neurochemicalbiology and Genetics Laboratory (NGL), Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Ehtisham Ul Haq Makhdoom
- Neurochemicalbiology and Genetics Laboratory (NGL), Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Muhsin Konuk
- Faculty of Engineering and Natural Sciences, Department of Molecular Biology and Genetics, Uskudar University, Istanbul 34662, Turkey.
| | - Tao Sun
- Center for Precision Medicine, School of Medicine and School of Biomedical Sciences, Huaqiao University, Xiamen 361021, China.
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4
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Liu F, Long Y, Zhao Q, Liu X, Qiu G, Zhang L, Ling Q, Gu H. Gallol-containing homopolymers and block copolymers: ROMP synthesis and gelation properties by metal-coordination and oxidation. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.04.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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5
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Yoo E, Liu Y, Nwasike CA, Freeman SR, DiPaolo BC, Cordovez B, Doiron AL. Surface characterization of nanoparticles using near-field light scattering. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2018; 9:1228-1238. [PMID: 29765800 PMCID: PMC5942383 DOI: 10.3762/bjnano.9.114] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 03/20/2018] [Indexed: 06/08/2023]
Abstract
The effect of nanoparticle surface coating characteristics on colloidal stability in solution is a critical parameter in understanding the potential applications of nanoparticles, especially in biomedicine. Here we explored the modification of the surface of poly(ethylene glycol)-coated superparamagnetic iron oxide nanoparticles (PEG-SPIOs) with the synthetic pseudotannin polygallol via interpolymer complexation (IPC). Changes in particle size and zeta potential were indirectly assessed via differences between PEG-SPIOs and IPC-SPIOs in particle velocity and scattering intensity using near-field light scattering. The local scattering intensity is correlated with the distance between the particle and waveguide, which is affected by the size of the particle (coating thickness) as well as the interactions between the particle and waveguide (related to the zeta potential of the coating). Therefore, we report here the use of near-field light scattering using nanophotonic force microscopy (using a NanoTweezerTM instrument, Halo Labs) to determine the changes that occurred in hydrated particle characteristics, which is accompanied by an analytical model. Furthermore, we found that altering the salt concentration of the suspension solution affected the velocity of particles due to the change of dielectric constant and viscosity of the solution. These findings suggest that this technique is suitable for studying particle surface changes and perhaps can be used to dynamically study reaction kinetics at the particle surface.
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Affiliation(s)
- Eunsoo Yoo
- Department of Biomedical Engineering, Binghamton University (SUNY), P.O. Box 6000 Binghamton, NY 13902, USA
| | - Yizhong Liu
- Department of Biomedical Engineering, Binghamton University (SUNY), P.O. Box 6000 Binghamton, NY 13902, USA
| | - Chukwuazam A Nwasike
- Department of Biomedical Engineering, Binghamton University (SUNY), P.O. Box 6000 Binghamton, NY 13902, USA
| | - Sebastian R Freeman
- Department of Biomedical Engineering, Binghamton University (SUNY), P.O. Box 6000 Binghamton, NY 13902, USA
| | - Brian C DiPaolo
- Optofluidics, Inc., 3711 Market St. Philadelphia, PA 19104, USA
| | | | - Amber L Doiron
- Department of Biomedical Engineering, Binghamton University (SUNY), P.O. Box 6000 Binghamton, NY 13902, USA
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Activatable interpolymer complex-superparamagnetic iron oxide nanoparticles as magnetic resonance contrast agents sensitive to oxidative stress. Colloids Surf B Biointerfaces 2017; 158:578-588. [PMID: 28750340 DOI: 10.1016/j.colsurfb.2017.07.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 06/29/2017] [Accepted: 07/08/2017] [Indexed: 12/14/2022]
Abstract
Magnetic resonance contrast agents that can be activated in response to specific triggers hold potential as molecular biosensors that may be of great utility in non-invasive disease diagnosis. We developed an activatable agent based on superparamagnetic iron oxide nanoparticles (SPIOs) that is sensitive to oxidative stress, a factor in the pathophysiology of numerous diseases. SPIOs were coated with poly(ethylene glycol) (PEG) and complexed with poly(gallol), a synthetic tannin. Hydrogen bonding between PEG and poly(gallol) creates a complexed layer around the SPIO that decreases the interaction of solute water with the SPIO, attenuating its magnetic resonance relaxivity. The complexed interpolymer nanoparticle is in an OFF state (decreased T2 contrast), where the contrast agent has a low T2 relaxivity of 7±2mM-1s-1. In the presence of superoxides, the poly(gallol) is oxidized and the polymers decomplex, allowing solute water to again interact with the SPIO, representing an ON state (increased T2 contrast) with a T2 relaxivity of 70±10mM-1s-1. These contrast agents show promise as effective sensors for diseases characterized in part by oxidative stress such as atherosclerosis, diabetes, and cancer.
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Guan Y, Shao L, Dong D, Wang F, Zhang Y, Wang Y. Bio-inspired natural polyphenol cross-linking poly(vinyl alcohol) films with strong integrated strength and toughness. RSC Adv 2016. [DOI: 10.1039/c6ra08904f] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bio-inspired by spider silk, we simultaneously integrated high strength and toughness to PVA/TA films via extensive hydrogen bonding interactions.
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Affiliation(s)
- Yu Guan
- State Key Laboratory of Polymer Materials Engineering
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu 610065
- PR China
| | - Leishan Shao
- State Key Laboratory of Polymer Materials Engineering
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu 610065
- PR China
| | - Dongyu Dong
- State Key Laboratory of Polymer Materials Engineering
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu 610065
- PR China
| | - Fei Wang
- State Key Laboratory of Polymer Materials Engineering
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu 610065
- PR China
| | - Yuliang Zhang
- State Key Laboratory of Polymer Materials Engineering
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu 610065
- PR China
| | - Yinghan Wang
- State Key Laboratory of Polymer Materials Engineering
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu 610065
- PR China
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