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Phothong N, Pattarakankul T, Morikane S, Palaga T, Aht-Ong D, Honda K, Napathorn SC. Stability and release mechanism of double emulsification (W1/O/W2) for biodegradable pH-responsive polyhydroxybutyrate/cellulose acetate phthalate microbeads loaded with the water-soluble bioactive compound niacinamide. Int J Biol Macromol 2024; 271:132680. [PMID: 38806087 DOI: 10.1016/j.ijbiomac.2024.132680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 05/30/2024]
Abstract
Microbeads of biodegradable polyhydroxybutyrate (PHB) offer environmental benefits and economic competitiveness. The aim of this study was to encapsulate a water-soluble bioactive compound, niacinamide (NIA), in a pH-responsive natural matrix composed of PHB and cellulose acetate phthalate (CAP) by double emulsification (W1/O/W2) to improve the encapsulation efficiency (%EE) and loading capacity (%LC). PHB was produced in-house by Escherichia coli JM109 pUC19-23119phaCABA-04 without the inducing agent isopropyl β-D-1-thiogalactopyranoside (IPTG). The influences of PHB and polyvinyl alcohol (PVA) concentrations, stirring rate, PHB/CAP ratio and initial NIA concentration on the properties of NIA-loaded pH-responsive microbeads were studied. The NIA-loaded pH-responsive PHB/CAP microbeads exhibited a spherical core-shell structure. The average size of the NIA-loaded pH-responsive microbeads was 1243.3 ± 11.5 μm. The EE and LC were 33.3 ± 0.5 % and 28.5 ± 0.4 %, respectively. The release profiles of NIA showed pH-responsive properties, as 94.2 ± 3.5 % of NIA was released at pH 5.5, whereas 99.3 ± 2.4 % of NIA was released at pH 7.0. The NIA-loaded pH-responsive PHB/CAP microbeads were stable for >90 days at 4 °C under darkness, with NIA remaining at 73.65 ± 1.86 %. A cytotoxicity assay in PSVK1 cells confirmed that the NIA-loaded pH-responsive PHB/CAP microbeads were nontoxic at concentrations lower than 31.3 μg/mL, in accordance with ISO 10993-5.
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Affiliation(s)
- Natthaphat Phothong
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Thitiporn Pattarakankul
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Shiho Morikane
- International Center for Biotechnology, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Tanapat Palaga
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Duangdao Aht-Ong
- Department of Materials Science, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Kohsuke Honda
- International Center for Biotechnology, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Suchada Chanprateep Napathorn
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand; Department of Microbiology, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand; International Center for Biotechnology, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
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Das SS, Alkahtani S, Bharadwaj P, Ansari MT, ALKahtani MDF, Pang Z, Hasnain MS, Nayak AK, Aminabhavi TM. Molecular insights and novel approaches for targeting tumor metastasis. Int J Pharm 2020; 585:119556. [PMID: 32574684 DOI: 10.1016/j.ijpharm.2020.119556] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/01/2020] [Accepted: 06/14/2020] [Indexed: 12/18/2022]
Abstract
In recent years, due to the effective drug delivery and preciseness of tumor sites or microenvironment, the targeted drug delivery approaches have gained ample attention for tumor metastasis therapy. The conventional treatment approaches for metastasis therapy have reported with immense adverse effects because they exhibited maximum probability of killing the carcinogenic cells along with healthy cells. The tumor vasculature, comprising of vasculogenic impressions and angiogenesis, greatly depends upon the growth and metastasis in the tumors. Therefore, various nanocarriers-based delivery approaches for targeting to tumor vasculature have been attempted as efficient and potential approaches for the treatment of tumor metastasis and the associated lesions. Furthermore, the targeted drug delivery approaches have found to be most apt way to overcome from all the limitations and adverse effects associated with the conventional therapies. In this review, various approaches for efficient targeting of pharmacologically active chemotherapeutics against tumor metastasis with the cohesive objectives of prognosis, tracking and therapy are summarized.
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Affiliation(s)
- Sabya Sachi Das
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi 835 215, Jharkhand, India
| | - Saad Alkahtani
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Priyanshu Bharadwaj
- UFR des Sciences de Santé, Université de Bourgogne Franche-Comté, Dijon 21000, France
| | - Mohammed Tahir Ansari
- School of Pharmacy, University of Nottingham Malaysia, Jalan Broga, Semenyih, Kajang, Selangor 43500, Malaysia
| | - Muneera D F ALKahtani
- Biology Department, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 102275, Riyadh 11675, Saudi Arabia
| | - Zhiqing Pang
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, China
| | - Md Saquib Hasnain
- Department of Pharmacy, Shri Venkateshwara University, NH-24, Rajabpur, Gajraula, Amroha 244236, U.P., India.
| | - Amit Kumar Nayak
- Department of Pharmaceutics, Seemanta Institute of Pharmaceutical Sciences, Mayurbhanj 757086, Odisha, India.
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Microbiologically extracted poly(hydroxyalkanoates) and its amalgams as therapeutic nano-carriers in anti-tumor therapies. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 111:110799. [DOI: 10.1016/j.msec.2020.110799] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 10/09/2019] [Accepted: 02/29/2020] [Indexed: 12/13/2022]
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Winnacker M. Polyhydroxyalkanoates: Recent Advances in Their Synthesis and Applications. EUR J LIPID SCI TECH 2019. [DOI: 10.1002/ejlt.201900101] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Malte Winnacker
- WACKER‐Chair of Macromolecular ChemistryTechnical University of Munich Lichtenbergstraße 4 85747 Garching bei München Germany
- Catalysis Research Center Ernst‐Otto‐Fischer Straße 1 85748 Garching bei München Germany
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Han L, Wang T, Mu S, Yin X, Liang S, Fang H, Liu Y, Zhang N. Unified D-α-Tocopherol 5-Fu/SAHA bioconjugates self-assemble as complex nanodrug for optimized combination therapy. Nanomedicine (Lond) 2018; 13:1285-1301. [DOI: 10.2217/nnm-2017-0316] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Aim: To optimize the synergistic efficacy of combination therapy with controlled molar ratio, complex small molecule-based nanodrug (Co-SMND) of 5-fluorouracil (5-Fu)/vorinostat (SAHA) was developed. Materials & methods: Co-SMND with various ratios of 5-Fu-D-α-tocopherol (VE)/SAHA-VE were prepared and characterized including co-assembly mechanism, hydrolytic stability, cytotoxicity, synergistic effect and apoptosis inducing ability. The antitumor activity, systematic toxicity and biodistribution of optimized Co-SMND were evaluated in CT-26 bearing BALB/c mouse. Results: Maximal synergistic effect of Co-SMND could be obtained via simply adjusting the feeding molar ratio. The optimized Co-SMND showed superior in vivo antitumor efficacy, upregulated security and selective intratumoral accumulation. Conclusion: Such Co-SMND is of great significance for future clinical translation, and would be an efficient platform for combination chemotherapy.
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Affiliation(s)
- Leiqiang Han
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
| | - Tianqi Wang
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
| | - Shengjun Mu
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
| | - Xiaolan Yin
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
| | - Shuang Liang
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
| | - Hao Fang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
| | - Yongjun Liu
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
| | - Na Zhang
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan 250012, Shandong, China
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In Vitro and In Vivo Correlation of Colon-Targeted Compression-Coated Tablets. JOURNAL OF PHARMACEUTICS 2016; 2016:5742967. [PMID: 26989562 PMCID: PMC4773564 DOI: 10.1155/2016/5742967] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 01/17/2016] [Indexed: 11/29/2022]
Abstract
This study was performed to assess and correlate in vitro drug release with in vivo absorption of prednisolone (PDL) from a colon-targeted tablet prepared by compression coating of core tablet. In vivo drug absorption study was conducted using a high performance liquid chromatographic (HPLC) method, which was developed and validated for the estimation of PDL in rabbit plasma. The calibration curve showed linearity in the concentration range of 0.05 to 50 μg/mL with the correlation coefficient (r) of 0.999. The method was specific and sensitive with the limit of detection (LOD) and lower limit of quantification (LLOQ) of 31.89 ± 1.10 ng/mL and 96.63 ± 3.32 ng/mL, respectively. The extraction recovery (ER) of PDL from three different levels of quality control (QC) samples ranged from 98.18% to 103.54%. In vitro drug release study revealed that less than 10% drug was released in 6.34 h and almost complete (98.64%) drug release was achieved in the following 6 h. In vivo drug absorption study demonstrated lower values of Cmax, AUCtotal, and protracted Tmax from compression-coated tablet. The results confirmed the maximum release of drug in the colon while minimizing release in the upper gastrointestinal tract (GIT). An excellent in vitro and in vivo correlation (IVIVC) was also achieved after considering the lag time.
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Minhas MU, Ahmad M, Anwar J, Khan S. Synthesis and Characterization of Biodegradable Hydrogels for Oral Delivery of 5-Fluorouracil Targeted to Colon: Screening with Preliminary In Vivo Studies. ADVANCES IN POLYMER TECHNOLOGY 2016. [DOI: 10.1002/adv.21659] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Muhammad Usman Minhas
- Faculty of Pharmacy & Alternative Medicine; The Islamia University of Bahawalpur; Railway Road, Khawaja Fareed Campus Bahawalpur Pakistan
| | - Mahmood Ahmad
- Faculty of Pharmacy & Alternative Medicine; The Islamia University of Bahawalpur; Railway Road, Khawaja Fareed Campus Bahawalpur Pakistan
| | - Jamshed Anwar
- Department of Chemistry; Lancaster University; Lancaster LA1 4YB United Kingdom
| | - Shahzeb Khan
- Department of Pharmacy; University of Malakand; Lower Dir, KPK Pakistan
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Zhou HY, Cao PP, Li JB, Zhang FL, Ding PP. Preparation and release kinetics of carboxymethyl chitosan/cellulose acetate microspheres as drug delivery system. J Appl Polym Sci 2015. [DOI: 10.1002/app.42152] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Hui Yun Zhou
- Department of Pharmaceutical Engineering; Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology; Luoyang China 471023
| | - Pei Pei Cao
- Department of Pharmaceutical Engineering; Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology; Luoyang China 471023
| | - Jun Bo Li
- Department of Pharmaceutical Engineering; Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology; Luoyang China 471023
| | - Fa Liang Zhang
- Department of Pharmaceutical Engineering; Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology; Luoyang China 471023
| | - Pei Pei Ding
- Department of Pharmaceutical Engineering; Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology; Luoyang China 471023
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Sharma K, Kaith BS, Kalia S, Kumar V, Swart HC. Gum ghatti-based biodegradable and conductive carriers for colon-specific drug delivery. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3505-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Li Y, Duong HTT, Laurent S, MacMillan A, Whan RM, Elst LV, Muller RN, Hu J, Lowe A, Boyer C, Davis TP. Nanoparticles based on star polymers as theranostic vectors: endosomal-triggered drug release combined with MRI sensitivity. Adv Healthc Mater 2015; 4:148-56. [PMID: 24985790 DOI: 10.1002/adhm.201400164] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 05/27/2014] [Indexed: 12/12/2022]
Abstract
Dual-functional star polymers (diameters 15 nm) are synthesized producing nanoparticles with excellent colloidal stability in both water and serum. The nanoparticles are built with aldehyde groups in the core and activated esters in the arms. The different reactivity of the two functional groups to sequentially react with different amino compounds is exploited; doxorubicin (DOX) and 1-(5-amino-3-aza-2-oxypentyl)-4,7,10-tris(tert-butoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane (DO3A-tBu-NH2 )-a chelating agent effective for the complexation of Gadolinium ions (Gd). The activated ester group is employed to attach the DO3A chelating agent, while the aldehyde groups are exploited for DOX conjugation, providing a controlled release mechanism for DOX in acidic environments. DOX/Gd-loaded nanoparticles are rapidly taken up by MCF-7 breast cancer cells, subsequently releasing DOX as demonstrated using in vitro fluorescence lifetime imaging microscopy (FLIM). Endosomal, DOX release is observed, using a phasor plot representation of the fluorescence lifetime data, showing an increase of native DOX with time. The MRI properties of the stars are assessed and the relaxivity of Gd loaded in stars is three times higher than conventional organic Gd/DO3A complexes. The DOX/Gd-conjugated nanoparticles yield a similar IC50 to native DOX for breast cancer cell lines, confirming that DOX integrity is conserved during nanoparticle attachment and release.
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Affiliation(s)
- Yang Li
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering; University of New South Wales; Sydney New South Wales 2052 Australia
- Australian Centre for Nanomedicine, School of Chemical Engineering; University of New South Wales; Sydney New South Wales 2052 Australia
| | - Hien T. T. Duong
- Australian Centre for Nanomedicine, School of Chemical Engineering; University of New South Wales; Sydney New South Wales 2052 Australia
| | - Sophie Laurent
- NMR and Molecular Imaging Laboratory, Department of General, Organic and Biomedical Chemistry; University of Mons; 7000 Mons Belgium
| | - Alexandre MacMillan
- Biomedical Imaging Facility; University of New South Wales; Sydney New South Wales 2052 Australia
| | - Renee Megan Whan
- Biomedical Imaging Facility; University of New South Wales; Sydney New South Wales 2052 Australia
| | - Luce Vander Elst
- NMR and Molecular Imaging Laboratory, Department of General, Organic and Biomedical Chemistry; University of Mons; 7000 Mons Belgium
| | - Robert N. Muller
- NMR and Molecular Imaging Laboratory, Department of General, Organic and Biomedical Chemistry; University of Mons; 7000 Mons Belgium
- CMMI - Center of Microscopy and Molecular Imaging; Rue Adrienne Bolland, 8 B-6041 Gosselies Belgium
| | - Jinming Hu
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology, Monash Institute of Pharmaceutical Sciences; Monash University; Parkville Victoria 3052 Australia
| | - Andrew Lowe
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering; University of New South Wales; Sydney New South Wales 2052 Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering; University of New South Wales; Sydney New South Wales 2052 Australia
- Australian Centre for Nanomedicine, School of Chemical Engineering; University of New South Wales; Sydney New South Wales 2052 Australia
| | - Thomas P. Davis
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology, Monash Institute of Pharmaceutical Sciences; Monash University; Parkville Victoria 3052 Australia
- Department of Chemistry; University of Warwick; Coventry CV4 7AL UK
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Rai G, Yadav AK, Jain NK, Agrawal GP. Eudragit-coated dextran microspheres of 5-fluorouracil for site-specific delivery to colon. Drug Deliv 2014; 23:328-37. [PMID: 24845476 DOI: 10.3109/10717544.2014.913733] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Objective of the present investigation was to prepare and evaluate the potential of enteric coated dextran microspheres for colon targeting of 5-fluorouracil (5-FU). Dextran microspheres were prepared by emulsification-crosslinking method and the formulation variables studied included different molecular weights of dextran, drug:polymer ratio, volume of crosslinking agent, stirring speed and time. Enteric coating (Eudragit S-100) of dextran microspheres was performed by oil-in-oil solvent evaporation method using different coat:core ratios (4:1 or 8:1). Uncoated and coated dextran microspheres were characterized by particle size, surface morphology, entrapment efficiency, DSC, in vitro drug release in the presence of dextranase and 2% rat cecal contents. The release study of 5-FU from coated dextran microspheres was pH dependent. No release was observed at acidic pH; however, the drug was released quickly where Eudragit starts solublizing there was continuous release of drug from the microspheres. Organ distribution study was suggested that coated dextran microspheres retard the release of drug in gastric and intestinal pH environment and released of drug from microspheres in colon due to the degradation of dextran by colonic enzymes.
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Affiliation(s)
- Gopal Rai
- a Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences , Dr. Hari Singh Gour University , Sagar , Madhya Pradesh , India
| | - Awesh K Yadav
- a Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences , Dr. Hari Singh Gour University , Sagar , Madhya Pradesh , India
| | - Narendra K Jain
- a Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences , Dr. Hari Singh Gour University , Sagar , Madhya Pradesh , India
| | - Govind P Agrawal
- a Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences , Dr. Hari Singh Gour University , Sagar , Madhya Pradesh , India
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Inter-polymer complex microspheres of chitosan and cellulose acetate phthalate for oral delivery of 5-fluorouracil. Polym Bull (Berl) 2014. [DOI: 10.1007/s00289-014-1176-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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