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Abstract
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The alternating architecture and hydrophobic side chains
hinder
hydrolytic cleavage and anhydride interchange in poly(sebacic acid-ricinoleic
acid) (P(SA-RA)), which provides stable polyanhydrides at room temperature.
In this report, a series of polyanhydrides were designed to investigate
the effect of ester bonds, hydrophobic side chains, phenyl moieties,
and their distance from anhydride bonds on their stability and properties.
Polyanhydrides with alternating architecture are constructed by the
polymerization of ester-diacids prepared from ricinoleic or other
hydroxy acids with anhydrides such as succinic, maleic, and phthalic
anhydrides. The hydrophobic side chains are designed closer to anhydride
bonds to investigate hindrance to hydrolytic cleavage and anhydride
interchange. Polyanhydrides were obtained by the activation of ester-diacid
using acetic anhydride followed by melt condensation. The reactions
were monitored by NMR, Fourier transform infrared (FTIR), and gel
permeation chromatography (GPC). The synthesized poly(ester-anhydride)s
with a shorter chain length compared to P(SA-RA) were stable at room
temperature. The hydrolytic degradation studies reveal that the phenyl
moiety present in poly(ricinoleic acid phthalate) (PRAP) and poly(hydroxystearic
acid phthalate) (PHSAP) reduces the hydrolysis of anhydride bonds.
Poly(hydroxyoctanoic acid succinate) (PHOAS) demonstrates the highest
molecular weight of all tested polymers. The results reveal that the
presence of hydrophobic side chains, phenyl moieties, and their distance
from anhydride bonds significantly improves the stability. These stable
polyanhydrides can provide convenience to use in control drug-delivery
applications. The in vitro drug release study using
ibuprofen shows that polymers with aromatic units such as PRAP and
PHSAP establish sustained release, which presents more than 50 and
40% of ibuprofen over a period of 28 days.
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Affiliation(s)
- Yuvaraj Arun
- The Alex Grass Center for Drug Design & Synthesis and the Center for Cannabis Research, School of Pharmacy, Institute of Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel
| | - Radhakanta Ghosh
- The Alex Grass Center for Drug Design & Synthesis and the Center for Cannabis Research, School of Pharmacy, Institute of Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel
| | - Abraham J Domb
- The Alex Grass Center for Drug Design & Synthesis and the Center for Cannabis Research, School of Pharmacy, Institute of Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel
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Su R, Xia L, Li G, Xiao X. A controlled recognizing and releasing glycoprotein based on temperature-responsive phenylboronic microgels for colorimetric analysis of complex samples. Talanta 2022; 241:123260. [DOI: 10.1016/j.talanta.2022.123260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 01/15/2022] [Accepted: 01/22/2022] [Indexed: 02/07/2023]
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3
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Qing X, He G, Liu Z, Yin Y, Cai W, Fan L, Fardim P. Preparation and properties of polyvinyl alcohol/N-succinyl chitosan/lincomycin composite antibacterial hydrogels for wound dressing. Carbohydr Polym 2021; 261:117875. [PMID: 33766362 DOI: 10.1016/j.carbpol.2021.117875] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [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: 11/24/2019] [Revised: 02/24/2021] [Accepted: 02/24/2021] [Indexed: 12/18/2022]
Abstract
Hydrogels are three-dimensional polymeric networks capable of absorbing large amounts of water or biological fluids with the properties resembling natural living tissues. Herein, polyvinyl alcohol (PVA)/N-succinyl chitosan (NSCS)/lincomycin hydrogels for wound dressing were prepared by the freezing/thawing method, then characterized by FTIR, SEM, and TGA. The compression strength, swelling behavior, water retention capacity, antibacterial activity, drug release and cytotoxicity were systematically investigated. The results showed that the introduction of NSCS remarkably enhanced the swelling capacity, leading to the maximum swelling ratio of 19.68 g/g in deionized water. The optimal compression strength of 0.75 MPa was achieved with 30 % NSCS content.Additionally, the incorporation of lincomycin brought a remarkable antibacterial activity against both Escherichia coli and Staphylococcus aureus. Specifically, 77.71 % of Staphylococcus aureus was inhibited with 75 μg/mL lincomycin, while the MTT assay demonstrated the nontoxic nature of the composite hydrogels. In summary, this PVA/NSCS/lincomycin hydrogel showed promising potential for wound dressing.
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Affiliation(s)
- Xiaoyan Qing
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Guanghua He
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, PR China.
| | - Zhongda Liu
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Yihua Yin
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Weiquan Cai
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, PR China
| | - Lihong Fan
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, PR China.
| | - Pedro Fardim
- Bio- & Chemical Systems Technology, Reactor Engineering and Safety, Department of Chemical Engineering, KU Leuven, 3001, Leuven, Belgium
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4
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Sinha P, Srivastava N, Rai VK, Mishra R, Ajayakumar P, Yadav NP. A novel approach for dermal controlled release of salicylic acid for improved anti-inflammatory action: Combination of hydrophilic-lipophilic balance and response surface methodology. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.06.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Zhou S, Sun W, Zhai Y. Amphiphilic block copolymer NPs obtained by coupling ricinoleic acid/sebacic acids and mPEG: Synthesis, characterization, and controlled release of paclitaxel. J Biomater Sci Polym Ed 2018; 29:2201-2217. [PMID: 30285542 DOI: 10.1080/09205063.2018.1532136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Currently, nanoparticles (NPs) made of amphiphilic block copolymer are still an essential part of drug delivery system. Here, we report a novel amphiphilic block copolymer and paclitaxel (PTX)-loaded copolymer NPs for the controlled delivery of PTX. The block copolymer was synthesized via melt polycondensation method of methoxy poly(ethylene glycol) (mPEG), sebacic acid (SA) and ricinoleic acid (RA). A series of characterization approaches such as Fourier Transform Infrared Spectroscopy (FTIR), 1Hydrogen-Nuclear Magnetic Resonance (1H-NMR), Differential Scanning Calorimetry (DSC), X-Ray Diffraction (XRD) and Gel Permeation Chromatography (GPC) applied have shown that the amphiphilic block copolymer was prepared as designed. NPs prepared by nanoprecipitation method consist of mPEG segments as the hydrophilic shell and RA-SA segments as the hydrophobic core, hydrophobic PTX was encapsulated as model drug. Subsequently, Transmission Electron Microscopy (TEM) analysis indicated that the spherical NPs have effective mean diameters ranging from 100 to 400 nm. Dynamic Light Scattering (DLS) analysis also revealed the controllable NPs diameter by modulating the mass ratio of RA to SA and drug loading amount (DLA). Besides, biphasic profile with zero order drug release was observed in general in vitro release behaviors of PTX from NPs. Further investigation confirmed that the release behaviors depend on the crystallinity of hydrophobic RA-SA segments. Results above suggest that NPs with amphiphlic block copolymer mPEG-b-P(RA-SA)-b-mPEG have a remarkable potential as a carrier for hydrophobic drug delivery in cancer therapy.
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Affiliation(s)
- Shiya Zhou
- a School of Pharmacy , Shenyang Pharmaceutical University , Shenyang , China
| | - Wei Sun
- b School of Medical Devices , Shenyang Pharmaceutical University , Shenyang , China
| | - Yinglei Zhai
- b School of Medical Devices , Shenyang Pharmaceutical University , Shenyang , China
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6
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Abstract
This review focusses on recent developments of polyanhydrides, a class of degradable synthetic biopolymers. Polyanhydrides have been used as carriers for controlled delivery of drugs. A polyanhydride copolymer of carboxyphenoxy propane and sebacic acid has been used in Gliadel brain tumor implants for the controlled delivery of carmustine or bis-chloroethylnitrosourea. They are easy and inexpensive to synthesize (especially scale up). However, polyanhydrides possess a short shelf-life. Hydrolytic cleavage and anhydride interchanges lower their molecular weights during storage. One of the highlights in recent developments of polyanhydride chemistry is the discovery of alternating copolymers having extended shelf-life. Other highlights include their applications in biomedical electronics, vaccine delivery, and nano/micro particulate delivery systems. This review examines approaches for polyanhydride synthesis followed by their recent developments in biomedical applications.
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Affiliation(s)
- Arijit Basu
- School of Pharmacy - Faculty of Medicine, The Hebrew University of Jerusalem, Hadassah Ein Kerem Medical Center Campus, Jerusalem, 91120, Israel
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Room No. 617, 500, Main Street, MA, 02131, USA
| | - Abraham J Domb
- School of Pharmacy - Faculty of Medicine, The Hebrew University of Jerusalem, Hadassah Ein Kerem Medical Center Campus, Jerusalem, 91120, Israel
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7
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Tang Z, Ma Z. Multiple functional strategies for amplifying sensitivity of amperometric immunoassay for tumor markers: A review. Biosens Bioelectron 2017; 98:100-112. [DOI: 10.1016/j.bios.2017.06.041] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/16/2017] [Accepted: 06/19/2017] [Indexed: 02/07/2023]
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Bertram J, Schettgen T, Kraus T. Quantification of six potential unspecific human biomarkers of 1-vinyl-2-pyrrolidone exposure in Sprague-Dawley rat urine using gas chromatography coupled with triple mass spectrometry. Rapid Commun Mass Spectrom 2017; 31:1851-1858. [PMID: 28841759 DOI: 10.1002/rcm.7972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 07/31/2017] [Accepted: 08/18/2017] [Indexed: 06/07/2023]
Abstract
RATIONALE The monomer 1-vinyl-2-pyrrolidone (VP) is a substance with excellent solvent features. It is used in a wide variety of pharmaceutical, cosmetic, food industrial or technical applications and produced on an industrial scale. Since VP has caused adenocarcinoma of the nasal cavity and liver cell carcinoma in long-term experiments with rats, a human biomarker would be appreciated for risk assessment. METHODS A sensitive analytical electron ionization gas chromatography/tandem mass spectrometry (GC/MS/MS) method for the determination of six possible biomarkers for VP in urine was established and validated. Two isotope-labeled internal standards (ISTD) were used for quantification. A simple and easy to use freeze-drying step was performed prior to derivatization with N-tert-butyldimethylsilyl-N-methyltrifluoracetamide (MTBSTFA) and following sample extraction for cleanup purposes. RESULTS A calibration curve with six calibration standards ranging from 50 μg/L to 2000 μg/L (10-fold higher for H-OPAA) in urine was prepared. Validation results were satisfactory with recoveries ranging from 88.2 to 110.2 % with two exceptions for the lowest quality control for two substances without ISTD (126.4 % and 139.3 %). Three of the substances could be identified as VP metabolites in an exposure study with Sprague-Dawley (SD) rats. CONCLUSIONS A quick and easy to use method has been established for six target molecules investigated for a better understanding of the metabolism of VP. Two of three substances identified as metabolites of VP could serve as a nonspecific human biomarker for VP exposure as shown with an excerpt of an exposure study performed in SD rats.
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Affiliation(s)
- J Bertram
- Institute for Occupational and Social Medicine, Medical Faculty, RWTH Aachen University, Pauwelsstr. 30, D-52074, Aachen, Germany
| | - T Schettgen
- Institute for Occupational and Social Medicine, Medical Faculty, RWTH Aachen University, Pauwelsstr. 30, D-52074, Aachen, Germany
| | - T Kraus
- Institute for Occupational and Social Medicine, Medical Faculty, RWTH Aachen University, Pauwelsstr. 30, D-52074, Aachen, Germany
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Demirdirek B, Uhrich KE. Physically crosslinked salicylate-based poly (N-isopropylacrylamide-co-acrylic acid) hydrogels for protein delivery. J BIOACT COMPAT POL 2017. [DOI: 10.1177/0883911517721070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Physically crosslinked hydrogels were developed via solvent casting methods using a temperature-sensitive polymer, poly( N-isopropylacrylamide- co-acrylic acid), and a therapeutic polymer, salicylate-based poly(anhydride-esters), to concurrently release salicylic acid and bovine serum albumin in a sustained manner. The physical interactions between the two polymer systems were confirmed using Fourier transform infrared spectroscopy. The crosslinked polymers were porous, thus able to encapsulate bovine serum albumin (23 wt%) and then released the protein in a sustained fashion over 96 h. Concurrently, the hydrogel releases salicylic acid in a sustained manner up to 120 h. Hydrogel systems were cytocompatible at relevant therapeutic concentrations. These hydrogel systems can be used for simultaneous delivery of salicylic acid and protein to achieve synergic effects.
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Affiliation(s)
- Bahar Demirdirek
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - Kathryn E Uhrich
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ, USA
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10
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Liu S, Chen F, Song X, Wu H. Preparation and characterization of temperature- and pH-sensitive hemicellulose-containing hydrogels. International Journal of Polymer Analysis and Characterization 2017. [DOI: 10.1080/1023666x.2016.1276257] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Shangjun Liu
- State Key Laboratory of Pulping and Paper Engineering, South China University of Technology, Guangzhou, China
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
| | - Fangeng Chen
- State Key Laboratory of Pulping and Paper Engineering, South China University of Technology, Guangzhou, China
- State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou, China
| | - Xiyi Song
- State Key Laboratory of Pulping and Paper Engineering, South China University of Technology, Guangzhou, China
| | - Honglou Wu
- State Key Laboratory of Pulping and Paper Engineering, South China University of Technology, Guangzhou, China
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11
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Figueira DR, Miguel SP, de Sá KD, Correia IJ. Production and characterization of polycaprolactone- hyaluronic acid/chitosan- zein electrospun bilayer nanofibrous membrane for tissue regeneration. Int J Biol Macromol 2016; 93:1100-1110. [DOI: 10.1016/j.ijbiomac.2016.09.080] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 09/08/2016] [Accepted: 09/20/2016] [Indexed: 12/25/2022]
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Yu W, Bajorek J, Jayade S, Miele A, Mirza J, Rogado S, Sundararajan A, Faig J, Ferrage L, Uhrich KE. Salicylic acid (SA)-eluting bone regeneration scaffolds with interconnected porosity and local and sustained SA release. J Biomed Mater Res A 2016; 105:311-318. [DOI: 10.1002/jbm.a.35904] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 09/11/2016] [Accepted: 09/14/2016] [Indexed: 01/12/2023]
Affiliation(s)
- Weiling Yu
- Department of Biomedical Engineering; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Jennifer Bajorek
- Department of Biomedical Engineering; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Sayeli Jayade
- Department of Biomedical Engineering; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Alyssa Miele
- Department of Biomedical Engineering; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Javad Mirza
- Department of Biomedical Engineering; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Sarah Rogado
- Department of Pharmaceutics, Ernest Mario School of Pharmacy; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Aravind Sundararajan
- Department of Biomedical Engineering; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Jonathan Faig
- Department of Chemistry and Chemical Biology; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
| | - Loïc Ferrage
- Department of Materials Science Engineering; ENSIACET; 31030 Toulouse France
| | - Kathryn E. Uhrich
- Department of Chemistry and Chemical Biology; Rutgers, The State University of New Jersey; Piscataway New Jersey 08854
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Yu W, Bien-Aime S, Mattos M, Alsadun S, Wada K, Rogado S, Fiorellini J, Graves D, Uhrich K. Sustained, localized salicylic acid delivery enhances diabetic bone regeneration via prolonged mitigation of inflammation. J Biomed Mater Res A 2016; 104:2595-603. [PMID: 27194511 DOI: 10.1002/jbm.a.35781] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [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: 01/24/2016] [Revised: 04/28/2016] [Accepted: 05/11/2016] [Indexed: 12/19/2022]
Abstract
Diabetes is a metabolic disorder caused by insulin resistance and/or deficiency and impairs bone quality and bone healing due to altered gene expression, reduced vascularization, and prolonged inflammation. No effective treatments for diabetic bone healing are currently available, and most existing treatments do not directly address the diabetic complications that impair bone healing. We recently demonstrated that sustained and localized delivery of salicylic acid (SA) via an SA-based polymer provides a low-cost approach to enhance diabetic bone regeneration. Herein, we report mechanistic studies that delve into the biological action and local pharmacokinetics of SA-releasing polymers shown to enhance diabetic bone regeneration. The results suggest that low SA concentrations were locally maintained at the bone defect site for more than 1 month. As a result of the sustained SA release, a significantly reduced inflammation was observed in diabetic animals, which in turn, yielded reduced osteoclast density and activity, as well as increased osteoblastogenesis. Based upon these results, localized and sustained SA delivery from the SA-based polymer effectively improved bone regeneration in diabetic animals by affecting both osteoclasts and osteoblasts, thereby providing a positive basis for clinical treatments. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 2595-2603, 2016.
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Affiliation(s)
- Weiling Yu
- Department of Biomedical Engineering, Rutgers, the State University of New Jersey, 599 Taylor Road, Piscataway, New Jersey
| | - Stephan Bien-Aime
- Department of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey
| | - Marcelo Mattos
- Department of Periodontics, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, Pennsylvania
| | - Sarah Alsadun
- Department of Periodontics, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, Pennsylvania
| | - Keisuke Wada
- Department of Periodontics, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, Pennsylvania
| | - Sarah Rogado
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey
| | - Joseph Fiorellini
- Department of Periodontics, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, Pennsylvania
| | - Dana Graves
- Department of Periodontics, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, Pennsylvania
| | - Kathryn Uhrich
- Department of Biomedical Engineering, Rutgers, the State University of New Jersey, 599 Taylor Road, Piscataway, New Jersey.,Department of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey
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Wood AT, Everett D, Budhwani KI, Dickinson B, Thomas V. Wet-laid soy fiber reinforced hydrogel scaffold: Fabrication, mechano-morphological and cell studies. Materials Science and Engineering: C 2016; 63:308-16. [DOI: 10.1016/j.msec.2016.02.078] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/06/2016] [Accepted: 02/29/2016] [Indexed: 11/21/2022]
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Haim-Zada M, Basu A, Hagigit T, Schlinger R, Grishko M, Kraminsky A, Hanuka E, Domb AJ. Alternating Poly(ester-anhydride) by Insertion Polycondensation. Biomacromolecules 2016; 17:2253-9. [PMID: 27198864 DOI: 10.1021/acs.biomac.6b00523] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
We report on a synthetic method where polyanhydride is used as starting material and the ester monomers are inserted through complete esterification, leading to an alternating ester-anhydride copolymer. The molar ratio of ricinoleic acid (RA) and sebacic acid (SA) was optimized until polysebacic acid is completely converted to carboxylic acid-terminated RA-SA and RA-SA-RA ester-dicarboxylic acids. These dimers and trimers were activated with acetic anhydride, polymerized under heat and vacuum to yield alternating RA-SA copolymer. The resulting alternating poly(ester-anhydride) have the RA at regular intervals. The regular occurrences of RA side chains prevent anhydride interchange, enhancing hydrolytic stability, which allows storage of the polymer at room temperature.
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Affiliation(s)
- Moran Haim-Zada
- School of Pharmacy, Institute of Drug Research, Hebrew University of Jerusalem , Jerusalem 9112001, Israel
| | - Arijit Basu
- School of Pharmacy, Institute of Drug Research, Hebrew University of Jerusalem , Jerusalem 9112001, Israel
| | - Tal Hagigit
- Dexcel Pharma Technologies, Ltd , Or-Akiva 30600000, Israel
| | - Ron Schlinger
- Dexcel Pharma Technologies, Ltd , Or-Akiva 30600000, Israel
| | - Michael Grishko
- TAMI- Institute for Research & Development, Ltd , Haifa Bay 26111, Israel
| | | | - Ezra Hanuka
- TAMI- Institute for Research & Development, Ltd , Haifa Bay 26111, Israel
| | - Abraham J Domb
- School of Pharmacy, Institute of Drug Research, Hebrew University of Jerusalem , Jerusalem 9112001, Israel
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16
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Jia XJ, Wang J, Zhong DC, Wu J, Zhao B, Engelsen DD, Luo XZ. A thermo-sensitive supramolecular hydrogel derived from an onium salt with solution–gel–crystal transition properties. RSC Adv 2016. [DOI: 10.1039/c6ra23761d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A self-assembled supramolecular hydrogel, which not only exhibits thermo-sensitive characteristics but has the property of solution–gel–crystal transition, is obtained by mixing the aqueous solutions of benzoic acid and melamine.
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Affiliation(s)
- Xin-Jian Jia
- Key Laboratory of Advanced Functional Materials for Ministry of Education
- College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124
- China
| | - Jinshu Wang
- Key Laboratory of Advanced Functional Materials for Ministry of Education
- College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124
- China
| | - Di-Chang Zhong
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province
- Key Laboratory of Jiangxi University for Functional Material Chemistry
- Gannan Normal University
- Ganzhou 341000
- China
| | - Junshu Wu
- Key Laboratory of Advanced Functional Materials for Ministry of Education
- College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124
- China
| | - Bingxin Zhao
- Key Laboratory of Advanced Functional Materials for Ministry of Education
- College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124
- China
| | - Daniel den Engelsen
- Key Laboratory of Advanced Functional Materials for Ministry of Education
- College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124
- China
| | - Xu-Zhong Luo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province
- Key Laboratory of Jiangxi University for Functional Material Chemistry
- Gannan Normal University
- Ganzhou 341000
- China
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17
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Wang X, Zhou Z, Guo X, He Q, Hao C, Ge C. Ultrasonic-assisted synthesis of sodium lignosulfonate-grafted poly(acrylic acid-co-poly(vinyl pyrrolidone)) hydrogel for drug delivery. RSC Adv 2016. [DOI: 10.1039/c6ra03398a] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Ultrasonic-assisted synthesis of sodium lignosulfonate-grafted hydrogel and the sustained release performance of the drug.
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Affiliation(s)
- Xiaohong Wang
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- China
| | - Zilong Zhou
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- China
| | - Xiaowei Guo
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- China
| | - Qiang He
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- China
| | - Chen Hao
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- China
| | - Cunwang Ge
- School of Chemistry and Chemical Engineering
- Nantong University
- Nantong
- China
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18
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Abstract
Significant and promising advances have been made in the polymer field for controlled and sustained bioactive delivery. Traditionally, small molecule bioactives have been physically incorporated into biodegradable polymers; however, chemical incorporation allows for higher drug loading, more controlled release, and enhanced processability. Moreover, the advent of bioactive-containing monomer polymerization and hydrolytic biodegradability allows for tunable bioactive loading without yielding a polymer residue. In this review, we highlight the chemical incorporation of different bioactive classes into novel biodegradable and biocompatible polymers. The polymer design, synthesis, and formulation are summarized in addition to the evaluation of bioactivity retention upon release via in vitro and in vivo studies.
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Affiliation(s)
- N D Stebbins
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersey 08854, USA.
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