Article(id=1200147838152835837, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1200147837586604797, articleNumber=1001-2494(2024)10-0921-08, orderNo=null, doi=10.11669/cpj.2024.10.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1676217600000, receivedDateStr=2023-02-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764067142283, onlineDateStr=2025-11-25, pubDate=1716307200000, pubDateStr=2024-05-22, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764067142283, onlineIssueDateStr=2025-11-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764067142283, creator=13701087609, updateTime=1764067142283, updator=13701087609, issue=Issue{id=1200147837586604797, tenantId=1146029695717560320, journalId=1190317699101192196, year='2024', volume='59', issue='10', pageStart='857', pageEnd='950', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764067142149, creator=13701087609, updateTime=1764067345188, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200148689244225889, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1200147837586604797, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200148689244225890, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1200147837586604797, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=921, endPage=928, ext={EN=ArticleExt(id=1200147838345773822, articleId=1200147838152835837, tenantId=1146029695717560320, journalId=1190317699101192196, language=EN, title=Application of Polyethylene Oxide in Mirabegron Extended-Release Tablets, columnId=null, journalTitle=Chinese Pharmaceutical Journal, columnName=null, runingTitle=null, highlight=null, articleAbstract=
OBJECTIVE To investigate the impact of polyethylene oxide (PEO, POLYOXTM), penetration additives, and butylated hydroxytoluene (BHT) on tablet properties and drug release of mirabegron extended release (ER) tablets and provide some ideas of formulating polyethylene oxide based ER tablets for the formulators. METHODS Single-factor-experiment was applied to investigate the impact of formulation components on drug release of mirabegron ER tablets. Different molecular weight (MW), series of particle size and use level of polyethylene oxide, three types of penetration additives (PEG 8000, PEG 4000 and lactose) and several use levels of butylated hydroxytoluene (BHT) were investigated. RESULTS Mirabegron ER tablets formulated with polyethylene oxide WSR N60K at 28% use level got statistically equivalent drug release with marketed mirabegron ER tablets. Higher MW and higher use level of polyethylene oxide led to slower drug release, while lower MW and lower use level led to faster drug release. Particle size of polyethylene oxide WSR N60K did not significantly affect mirabegron drug release. The tablets using either polyethylene glycol (PEG 8000 or 4000) or lactose as penetration additives could achieve equivalent drug release as marketed mirabegron ER tablets. The blend of polyethylene oxide WSR 301 and N12K at ratio of 35∶65 has the same viscosity with polyethylene oxide WSR N60K and led to statistically similar drug release. CONCLUSION Formulation of polyethylene oxide based mirabegron ER tablets are robust.
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目的 考察IFF公司的聚氧乙烯(POLYOXTM,商品名:保益乐)、促渗透剂和抗氧化剂丁基羟基甲苯(BHT)对米拉贝隆缓释片释放度的影响。以期为开发聚氧乙烯缓释片提供一些配方经验。方法 采用单因素实验考察配方中聚氧乙烯的相对分子质量、粒径和用量,不同种类促渗透剂[聚乙二醇(PEG) 8000、PEG 4000和乳糖]和BHT的用量对米拉贝隆缓释片释放度的影响。结果 聚氧乙烯 WSR N60K在用量28%时制得的米拉贝隆缓释片与市售贝坦利®米拉贝隆缓释片(RLD)具有统计学相似的释放度。高相对分子质量和高用量的聚氧乙烯得到较慢的药物释放,而低相对分子质量和低用量的聚氧乙烯导致更快的药物释放。聚氧乙烯 WSR N60K的粒径大小对米拉贝隆缓释片的释放度无显著影响。不论是使用聚乙二醇(PEG 8000或4000)还是乳糖作为促渗透剂,制备的缓释片均具有与RLD片相似的释药效果。聚氧乙烯 WSR 301和N12K以35∶65的比例得到的混合物与聚氧乙烯 WSR N60K具有相同的黏度,制备的缓释片也具有统计学相似的药物释放度。结论 聚氧乙烯是良好的亲水凝胶骨架材料,其制得的米拉贝隆缓释片处方稳健,释药稳定。
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王如意,女,硕士,工程师 研究方向:药用辅料应用 Tel:(021)23079626
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王如意,女,硕士,工程师 研究方向:药用辅料应用 Tel:(021)23079626
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王如意,女,硕士,工程师 研究方向:药用辅料应用 Tel:(021)23079626
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TM), Keyword(id=1200147843504767948, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, orderNo=2, keyword=extended release tablet), Keyword(id=1200147843584459727, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, orderNo=3, keyword=mirabegron), Keyword(id=1200147843685123026, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, orderNo=4, keyword=butylated hydroxytoluene), Keyword(id=1200147843827729369, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, orderNo=1, keyword=聚氧乙烯), Keyword(id=1200147843928392668, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, orderNo=2, keyword=缓释片), Keyword(id=1200147844012278753, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, orderNo=3, keyword=米拉贝隆), Keyword(id=1200147844104553446, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, orderNo=4, keyword=丁基羟基甲苯)], refs=[Reference(id=1200147849481650287, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, doi=null, pmid=null, pmcid=null, year=2009, volume=7, issue=6, pageStart=1, pageEnd=9, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=KAMBOJ S, GUPTA G D, OBEROY J, journalName=Pharm Inf, refType=null, unstructuredReference=
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ASTELIAS PHARMA INC. Alpha-form or beta-form crystal of acetanilide derivative: China, CN1243740C[P]. 2006-03-01., articleTitle=Alpha-form or beta-form crystal of acetanilide derivative: China, CN1243740C, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1200147840551977774, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, xref=null, ext=[AuthorCompanyExt(id=1200147840560366383, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, companyId=1200147840551977774, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Pharma Solution, Danisco Biotech (Shanghai) Limited Company, Shanghai 200335, China), AuthorCompanyExt(id=1200147840568754992, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, companyId=1200147840551977774, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=丹尼斯克生物科技(上海)有限公司药品解决方案事业部, 上海 200335)])], figs=[ArticleFig(id=1200147844289102829, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Fig.1, caption=
DSC heating curves of mirabegron, mirabegron-F2 and mirabegron-marketed tablets, figureFileSmall=rKiL9/9vEsfETjEp5uJL1Q==, figureFileBig=ZpA293mAmZLB76Sc5xRgAA==, tableContent=null), ArticleFig(id=1200147844389766133, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=图1, caption=
米拉贝隆原料、F2处方片及贝坦利米拉贝隆缓释片(RLD)的差示扫描量热分析(DSC)曲线, figureFileSmall=rKiL9/9vEsfETjEp5uJL1Q==, figureFileBig=ZpA293mAmZLB76Sc5xRgAA==, tableContent=null), ArticleFig(id=1200147844637230078, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Fig.2, caption=
Drug release from tablets with different use level of polyethylene oxide N60K. n=4, $\bar{x}±s$, figureFileSmall=vHSJla0pZLWrC4UItCI6pQ==, figureFileBig=sQgl0x3t4mEMY5IhvU/7Pg==, tableContent=null), ArticleFig(id=1200147844716920834, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=图2, caption=
不同用量聚氧乙烯 N60K制得片剂在4种溶质中的溶出度. n=4, $\bar{x}±s$, figureFileSmall=vHSJla0pZLWrC4UItCI6pQ==, figureFileBig=sQgl0x3t4mEMY5IhvU/7Pg==, tableContent=null), ArticleFig(id=1200147844817584136, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Fig.3, caption=
Drug release from tablets with different penetration additives. n=4, $\bar{x}±s$, figureFileSmall=QlJnSwg4KZyZnr2elcj4NA==, figureFileBig=yvXPNaig+IG3jz2vVJ2o7Q==, tableContent=null), ArticleFig(id=1200147844914053131, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=图3, caption=
不同促渗透剂制得片剂的溶出度. n=4, $\bar{x}±s$, figureFileSmall=QlJnSwg4KZyZnr2elcj4NA==, figureFileBig=yvXPNaig+IG3jz2vVJ2o7Q==, tableContent=null), ArticleFig(id=1200147845060853775, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Fig.4, caption=
Drug release from tablets with polyethylene oxide of different molecular weight. n=4, $\bar{x}±s$, figureFileSmall=BW5zJBBUnaVWT46+u1rlUw==, figureFileBig=uEBzqodZiDKWcd4IRqBC3Q==, tableContent=null), ArticleFig(id=1200147845224431635, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=图4, caption=
不同聚氧乙烯相对分子质量制得片剂的溶出度. n=4, $\bar{x}±s$, figureFileSmall=BW5zJBBUnaVWT46+u1rlUw==, figureFileBig=uEBzqodZiDKWcd4IRqBC3Q==, tableContent=null), ArticleFig(id=1200147845350260757, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Fig.5, caption=
Drug release from tablets with polyethylene oxide N60K of different particle size. n=4, $\bar{x}±s$, figureFileSmall=MV3atMtd+oeNYw7qv1jqoQ==, figureFileBig=wLXRMQDgsbTxnkwy1cVw4Q==, tableContent=null), ArticleFig(id=1200147845501255702, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=图5, caption=
不同粒径聚氧乙烯N60K制得片剂的溶出度. n=4, $\bar{x}±s$, figureFileSmall=MV3atMtd+oeNYw7qv1jqoQ==, figureFileBig=wLXRMQDgsbTxnkwy1cVw4Q==, tableContent=null), ArticleFig(id=1200147845706776601, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Fig.6, caption=
Viscosity of sieved and unsieved polyethylene oxide N60K, figureFileSmall=1Z+bep0cwNSskex2fL2xqQ==, figureFileBig=2GqDnNS2/tpN/0RihwyC4g==, tableContent=null), ArticleFig(id=1200147845887131675, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=图6, caption=
不同粒径聚氧乙烯 N60K的黏度, figureFileSmall=1Z+bep0cwNSskex2fL2xqQ==, figureFileBig=2GqDnNS2/tpN/0RihwyC4g==, tableContent=null), ArticleFig(id=1200147846080069665, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Fig.7, caption=
Stability of drug release from tablets with different use level of BHT. n=4, $\bar{x}±s$, figureFileSmall=DIr83OyUK1foxbT2rSEo9g==, figureFileBig=CWEUg7KN2+jXe9nrsQk3qg==, tableContent=null), ArticleFig(id=1200147846247841826, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=图7, caption=
不同BHT用量制得片剂的溶出度. n=4, $\bar{x}±s$, figureFileSmall=DIr83OyUK1foxbT2rSEo9g==, figureFileBig=CWEUg7KN2+jXe9nrsQk3qg==, tableContent=null), ArticleFig(id=1200147846369476646, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.1, caption=
Concentration of polyethylene oxide and test parameters for viscosity determination
, figureFileSmall=null, figureFileBig=null, tableContent=
Polyethylene oxide | ρ /kg·L-1 | Spindle | Speed /r·min-1 | Read time /min |
| WSR N12K | 0.02 | 1 | 10 | 1 |
| WSR N60K | 0.02 | 3 | 10 | 1 |
| WSR 301 | 0.01 | 2 | 2 | 5 |
), ArticleFig(id=1200147846495305769, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表1, caption=
聚氧乙烯黏度测定的质量浓度和参数
, figureFileSmall=null, figureFileBig=null, tableContent=
Polyethylene oxide | ρ /kg·L-1 | Spindle | Speed /r·min-1 | Read time /min |
| WSR N12K | 0.02 | 1 | 10 | 1 |
| WSR N60K | 0.02 | 3 | 10 | 1 |
| WSR 301 | 0.01 | 2 | 2 | 5 |
), ArticleFig(id=1200147846595969068, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.2, caption=
Formulations with different use level of polyethylene oxide WSR N60K.mg
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ingredient | F1 | F2 | F3 |
| Mirabegron | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N60K | 50 | - | - |
| Polyethylene oxide WSR N60K | - | 70.0 | - |
| Polyethylene oxide WSR N60K | - | - | 90 |
| PEG8000 | 139.6 | 119.6 | 99.6 |
| HPC EXF | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.4 | 0.4 |
| Mg stearate | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147846746964015, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表2, caption=
不同用量聚氧乙烯 WSR N60K的米拉贝隆缓释片处方.mg
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ingredient | F1 | F2 | F3 |
| Mirabegron | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N60K | 50 | - | - |
| Polyethylene oxide WSR N60K | - | 70.0 | - |
| Polyethylene oxide WSR N60K | - | - | 90 |
| PEG8000 | 139.6 | 119.6 | 99.6 |
| HPC EXF | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.4 | 0.4 |
| Mg stearate | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147846910541877, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.3, caption=
Formulations with different penetration additives.mg
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ingredient | PEG4000 | PEG8000 | Lactose |
| Mirabegron | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N60K | 70.0 | 70.0 | 70.0 |
| PEG4000 | 119.6 | - | - |
| PEG8000 | - | 119.6 | - |
| Lactose | - | - | 119.6 |
| HPC EXF | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.4 | 0.4 |
| Mg stearate | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147847048953911, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表3, caption=
不同促渗透剂的米拉贝隆缓释片处方.mg
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ingredient | PEG4000 | PEG8000 | Lactose |
| Mirabegron | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N60K | 70.0 | 70.0 | 70.0 |
| PEG4000 | 119.6 | - | - |
| PEG8000 | - | 119.6 | - |
| Lactose | - | - | 119.6 |
| HPC EXF | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.4 | 0.4 |
| Mg stearate | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147847250280507, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.4, caption=
Formulations with different grade of polyethylene oxide.mg
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ingredient | N12K | N60K | 301 | Blend(N12K-301) |
| Mirabegron | 50.0 | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N12K | 70.0 | - | - | 45.5 |
| Polyethylene oxide WSR N60K | - | 70.0 | - | - |
| Polyethylene oxide WSR 301 | - | - | 70.0 | 24.5 |
| PEG8000 | 119.6 | 119.6 | 119.6 | 119.6 |
| HPC EXF | 7.5 | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.4 | 0.4 | 0.4 |
| Mg stearate | 2.0 | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147847392886846, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表4, caption=
不同相对分子质量聚氧乙烯的米拉贝隆缓释片处方.mg
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ingredient | N12K | N60K | 301 | Blend(N12K-301) |
| Mirabegron | 50.0 | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N12K | 70.0 | - | - | 45.5 |
| Polyethylene oxide WSR N60K | - | 70.0 | - | - |
| Polyethylene oxide WSR 301 | - | - | 70.0 | 24.5 |
| PEG8000 | 119.6 | 119.6 | 119.6 | 119.6 |
| HPC EXF | 7.5 | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.4 | 0.4 | 0.4 |
| Mg stearate | 2.0 | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147847564853313, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.5, caption=
Formulation with different use level of BHT and preparation methods.mg
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| Ingredient | BHT content/% |
| 0.16 | 0.048 | 0 |
| Mirabegron | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N60K | 70.0 | 70.0 | 70.0 |
| PEG8000 | 119.6 | 119.9 | 120.0 |
| HPC EXF | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.12 | 0.0 |
| Mg stearate | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147847799734340, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表5, caption=
不同用量丁基羟基甲苯(BHT)的米拉贝隆缓释片处方.mg
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| Ingredient | BHT content/% |
| 0.16 | 0.048 | 0 |
| Mirabegron | 50.0 | 50.0 | 50.0 |
| Polyethylene oxide WSR N60K | 70.0 | 70.0 | 70.0 |
| PEG8000 | 119.6 | 119.9 | 120.0 |
| HPC EXF | 7.5 | 7.5 | 7.5 |
| BHT | 0.4 | 0.12 | 0.0 |
| Mg stearate | 2.0 | 2.0 | 2.0 |
| Aerosil® 200 | 0.5 | 0.5 | 0.5 |
| Total | 250.0 | 250.0 | 250.0 |
), ArticleFig(id=1200147847980089416, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.6, caption=
Viscosity and particle size of polyethylene oxide
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| Materials | Viscosity /mPa·s(ρ/kg·L-1) | D10 /μm | D50 /μm | D90 /μm |
| Polyethylene oxide WSR 301 | 3 120(0.01) | 37.8 | 157 | 406 |
| Polyethylene oxide WSR N12K | 584(0.02) | 47 | 176 | 405 |
| Polyethylene oxide WSR N60K | 2 750(0.02) | 44 | 155 | 378 |
| 301-N12K(35∶65) | 2 710(0.02) | 38.7 | 142 | 382 |
), ArticleFig(id=1200147848122695756, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表6, caption=
聚氧乙烯的黏度和粒径分布
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| Materials | Viscosity /mPa·s(ρ/kg·L-1) | D10 /μm | D50 /μm | D90 /μm |
| Polyethylene oxide WSR 301 | 3 120(0.01) | 37.8 | 157 | 406 |
| Polyethylene oxide WSR N12K | 584(0.02) | 47 | 176 | 405 |
| Polyethylene oxide WSR N60K | 2 750(0.02) | 44 | 155 | 378 |
| 301-N12K(35∶65) | 2 710(0.02) | 38.7 | 142 | 382 |
), ArticleFig(id=1200147848256913486, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.7, caption=
Density, Carr index and angle of repose of polyethylene oxide
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| Materials | Bulk density /mg·mL-1 | Tapped density /mg·mL-1 | Carr index | Angle of repose/° |
| Polyethylene oxide WSR 301 | 0.466 | 0.549 | 15.2 | 41.8 |
| Polyethylene oxide WSR N12K | 0.451 | 0.528 | 14.6 | 41.0 |
| Polyethylene oxide WSR N60K | 0.442 | 0.533 | 17.1 | 40.3 |
| 301-N12K(35∶65) | 0.441 | 0.53 | 16.8 | 40.8 |
), ArticleFig(id=1200147848412102738, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表7, caption=
聚氧乙烯的密度、卡尔指数和休止角
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| Materials | Bulk density /mg·mL-1 | Tapped density /mg·mL-1 | Carr index | Angle of repose/° |
| Polyethylene oxide WSR 301 | 0.466 | 0.549 | 15.2 | 41.8 |
| Polyethylene oxide WSR N12K | 0.451 | 0.528 | 14.6 | 41.0 |
| Polyethylene oxide WSR N60K | 0.442 | 0.533 | 17.1 | 40.3 |
| 301-N12K(35∶65) | 0.441 | 0.53 | 16.8 | 40.8 |
), ArticleFig(id=1200147848546320471, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.8, caption=
Similarity factors (f2) between lab prepared tablets with polyethylene oxide WSR N60K and RLD
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| Dissolution medium | 20% | 28% | 36% |
| pH 6.8 | 43.7 | 78.2 | 46.4 |
| Water | 56.0 | 63.8 | 40.2 |
| pH 4.5 | 42.0 | 90.2 | 45.7 |
| pH 1.2 | 48.2 | 90.4 | 54.4 |
), ArticleFig(id=1200147848697315416, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表8, caption=
不同用量聚氧乙烯 N60K制得片剂与RLD的溶出曲线的相似因子
, figureFileSmall=null, figureFileBig=null, tableContent=
| Dissolution medium | 20% | 28% | 36% |
| pH 6.8 | 43.7 | 78.2 | 46.4 |
| Water | 56.0 | 63.8 | 40.2 |
| pH 4.5 | 42.0 | 90.2 | 45.7 |
| pH 1.2 | 48.2 | 90.4 | 54.4 |
), ArticleFig(id=1200147848827338843, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.9, caption=
Similarity factors (f2) between lab prepared tablets and RLD
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| Dissolution medium | PEG4000 | PEG8000 | Lactose |
| pH 6.8 | 66.3 | 78.2 | 53.2 |
| Water | 54.0 | 63.8 | 50.8 |
| pH 4.5 | 66.9 | 90.2 | 65.8 |
| pH 1.2 | 64.7 | 90.4 | 55.8 |
), ArticleFig(id=1200147848919613534, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表9, caption=
不同促渗透剂制得片剂与RLD的溶出曲线的相似因子
, figureFileSmall=null, figureFileBig=null, tableContent=
| Dissolution medium | PEG4000 | PEG8000 | Lactose |
| pH 6.8 | 66.3 | 78.2 | 53.2 |
| Water | 54.0 | 63.8 | 50.8 |
| pH 4.5 | 66.9 | 90.2 | 65.8 |
| pH 1.2 | 64.7 | 90.4 | 55.8 |
), ArticleFig(id=1200147849049636962, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.10, caption=
Similarity factors (f2) between lab prepared tablets and RLD
, figureFileSmall=null, figureFileBig=null, tableContent=
| Dissolution medium | N12K | N60K | 301 | Blend (301-N12K) |
| pH 6.8 | 42.0 | 78.2 | 27.8 | 72.3 |
| Water | 41.1 | 63.8 | 26.0 | 67.4 |
| pH 4.5 | 40.5 | 90.2 | 37.4 | 59.2 |
| pH 1.2 | 49.2 | 90.4 | 41.9 | 76.8 |
), ArticleFig(id=1200147849158688869, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表10, caption=
不同聚氧乙烯相对分子质量制得片剂与RLD的溶出曲线的相似因子
, figureFileSmall=null, figureFileBig=null, tableContent=
| Dissolution medium | N12K | N60K | 301 | Blend (301-N12K) |
| pH 6.8 | 42.0 | 78.2 | 27.8 | 72.3 |
| Water | 41.1 | 63.8 | 26.0 | 67.4 |
| pH 4.5 | 40.5 | 90.2 | 37.4 | 59.2 |
| pH 1.2 | 49.2 | 90.4 | 41.9 | 76.8 |
), ArticleFig(id=1200147849271935080, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=EN, label=Tab.11, caption=
Similarity factors (f2) between sieved and unsieved polyethylene oxide based tablets
, figureFileSmall=null, figureFileBig=null, tableContent=
Dissolution medium | Particle size/μm |
| <75 | 75-125 | 125-180 | >180 |
| pH 6.8 | 84.4 | 75.7 | 61.9 | 55.9 |
| Water | 71.0 | 80.1 | 69.8 | 76.8 |
| pH 4.5 | 83.5 | 72.6 | 51.5 | 68.5 |
| pH 1.2 | 68.2 | 70.8 | 56.7 | 59.2 |
), ArticleFig(id=1200147849355821164, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1200147838152835837, language=CN, label=表11, caption=
各筛分粒径与未筛分聚氧乙烯 N60K制得片剂的溶出曲线的相似因子
, figureFileSmall=null, figureFileBig=null, tableContent=
Dissolution medium | Particle size/μm |
| <75 | 75-125 | 125-180 | >180 |
| pH 6.8 | 84.4 | 75.7 | 61.9 | 55.9 |
| Water | 71.0 | 80.1 | 69.8 | 76.8 |
| pH 4.5 | 83.5 | 72.6 | 51.5 | 68.5 |
| pH 1.2 | 68.2 | 70.8 | 56.7 | 59.2 |
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