Article(id=1308455947916038987, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308455335962894804, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2024-1040, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1729785600000, receivedDateStr=2024-10-25, revisedDate=1736870400000, revisedDateStr=2025-01-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1789889807919, onlineDateStr=2026-09-20, pubDate=1749657600000, pubDateStr=2025-06-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789889807919, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789889807919, creator=13701087609, updateTime=1789889807919, updator=13701087609, issue=Issue{id=1308455335962894804, tenantId=1146029695717560320, journalId=1189982191388893191, year='2025', volume='60', issue='6', pageStart='1573', pageEnd='1964', issueExtLink='null', onlineDate='null', pubDate='1749657600000', pubDateStr='2025-06-12', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789889662017, creator='13701087609', updateTime=1789893590327, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308471812564734358, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308455335962894804, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308471812564734359, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308455335962894804, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1938, endPage=1947, ext={EN=ArticleExt(id=1308455948226417484, articleId=1308455947916038987, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=The optimization of Box-Benhnken method for supercritical CO
2 antisolvent process to prepare simvastatin solid dispersions, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
Simvastatin is a class of hydroxymethylglutaryl coenzyme A reductase inhibitors used to lower blood lipids and prevent atherosclerosis, but its poor water solubility and low bioavailability seriously affect clinical efficacy. In this experiment, simvastatin solid dispersions were prepared using supercritical CO2 antisolvent method, and the prescription process parameters were optimized by Box-Benhnken response surface methodology, to improve the dissolution characteristics. The Box-Benhnken response surface methodology optimization experimental scheme took in vitro cumulative dissolution degree of simvastatin (dependent variable) as the evaluation index, investigated the influence of four factors (independent variables) including pressure, temperature, carrier type, and CO2 outflow rate on the preparation of simvastatin solid dispersions by supercritical CO2 antisolvent technology. Next, the particle size (PZ), infrared (IR) absorption spectrum, differential scanning calorimetry (DSC), X-ray diffraction (XRD), and scanning electron microscopy (SEM) characterization were performed on the preferred process conditions for simvastatin dispersion. Based on these findings, further research was conducted on the in vitro dissolution properties of the product as well as the relative bioavailability after oral administration to rats. Animal experiments were approved by the Animal Ethics Committee of Jiangsu College of Food and Drug Engineering (No. JSSPYPCAC2024). The results showed that the optimal process parameters for preparing simvastatin solid dispersions by critical CO2 antisolvent technology were pressure 12.00 Mpa, temperature 35.0 ℃, CO2 flow rate 3.3 L·min-1, F-127/PVP K23-27 (1∶10, w/w). The prepared solid dispersion was in a loose powder form, which appears as overlapping flaky aggregates under SEM. The laser particle size analysis showed a D50 value of 0.78 μm. DSC and XRD indicated that simvastatin existed in an amorphous form within the dispersion. The in vitro cumulative dissolution value after 60 minutes was 89.87%, and the relative bioavailability of oral administration to rats was 226.6%. In summary, this study successfully applied supercritical CO2 antisolvent method to prepare simvastatin solid dispersions, simplified the experimental steps and optimized process routes using Box-Benhnken response surface methodology. The prepared simvastatin solid dispersions exhibited fast dissolution rates and high cumulative dissolution degrees, which can be used as a prescription strategy for developing novel oral simvastatin formulations with high bioavailability.
, authors=Ming-ming WANG, Lian QIN, Zan SUN, Chi-yu GE, Qiang MA, Qiao-yan HUANG, Zheng-jia SHEN
*, authorsList=Ming-ming WANG, Lian QIN, Zan SUN, Chi-yu GE, Qiang MA, Qiao-yan HUANG, Zheng-jia SHEN, authorCompany=null, correspAuthors=Zheng-jia SHEN, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 Acta Pharmaceutica Sinica. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1308455949736366939, articleId=1308455947916038987, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=Box-Benhnken法优化超临界CO
2抗溶剂法制备辛伐他汀固体分散体, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
辛伐他汀是一类羟甲基戊二酰辅酶A还原酶抑制剂, 用作降低血脂和抗动脉粥样硬化, 但是其水溶性差, 生物利用度低严重影响了临床效果。本实验设计应用超临界CO2抗溶剂法制备辛伐他汀固体分散体, 采用Box-Benhnken响应曲面法优化处方工艺参数, 改善辛伐他汀制剂的溶出特性和生物利用度。Box-Benhnken响应面法优化实验方案中以辛伐他汀的体外累积溶出度(因变量) 为评价指标, 考察超临界CO2抗溶剂技术制备中的压强、温度、载体种类、CO2流出速率四种影响因素(自变量) 对辛伐他汀固体分散体制备工艺的影响。接下来, 对优选工艺条件下辛伐他汀分散体进行粒度、红外吸收光谱、差示扫描量热法(differential scanning calorimetry, DSC)、X-ray衍射(X-ray diffraction, XRD) 和扫描电镜(scanning electron microscopy, SEM) 表征分析, 在此基础上进一步研究了产品的体外溶出特性及大鼠口服相对生物利用度。动物实验经江苏食品药品职业技术学院实验动物伦理委员会批准(批准号: JSSPYPCAC2024)。结果显示, Box-Benhnken响应面法实验设计临界CO2抗溶剂技术制备辛伐他汀固体分散体的最优工艺参数为压力12.00 Mpa, 温度35.0 ℃, CO2流速3.3 L·min-1, F-127∶PVP K23-27 (1∶10, w/w), 制备的固体分散体呈疏松的粉末状, SEM下显示为鳞片状叠加的聚集态, 激光粒度测定D50值为0.78 μm, DSC和XRD显示辛伐他汀在分散体中以无定型形式存在, 60 min体外累积溶出度值89.87%, 大鼠口服相对生物利用度226.6%。综上所述, 本研究成功应用超临界CO2抗溶剂法制备辛伐他汀固体分散体, 采用Box-Benhnken响应面法简化实验步骤并优化工艺路线, 制得的辛伐他汀固体分散体溶出速率快, 累积溶出度高, 可作为开发新型具有高生物利用度口服辛伐他汀制剂的处方策略。
, authors=王明明, 秦联, 孙赞, 葛驰宇, 马强, 黄巧燕, 沈正加
*, authorsList=王明明, 秦联, 孙赞, 葛驰宇, 马强, 黄巧燕, 沈正加, authorCompany=null, correspAuthors=沈正加, authorNote=
作者贡献:
王明明负责确定选题、拟定论文框架和论文撰写、论文修改; 沈正加负责资金来源、仪器设备管理、试剂供给; 黄巧燕、秦联负责实验操作、图谱修改、数据完善; 孙赞负责实验动物饲养、血样采集、数据分析; 马强、葛驰宇负责技术支持和指导。
, correspAuthorsNote=
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Flowchart of the supercritical CO2 antisolvent device. 1: CO2 cylinder; 2, 7, 11, 12, 18: Gas throttling valve; 3: High-pressure pump; 4: Peristaltic pump; 5: Crystallization kettle; 6: Separation kettle; 8: Waste liquid bottle; 9: Washing gas device; 10, 13, 14, 17, 19, 20: Pressure gauge; 15, 16: Gas throttling valve with heating sleeve, figureFileSmall=Jkaih/OdaVfWX1I2TsAiJw==, figureFileBig=fFExNqiwi+USBWeqVU0+rA==, tableContent=null), ArticleFig(id=1308497931670479202, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=wiv2VF2KQw/CnGgGCPBRkg==, figureFileBig=PzEFW1Oln1mxygiyOcVj7w==, tableContent=null), ArticleFig(id=1308497931771142499, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Fig.2, caption=
Chromatogram of simvastatin dispersion, figureFileSmall=wiv2VF2KQw/CnGgGCPBRkg==, figureFileBig=PzEFW1Oln1mxygiyOcVj7w==, tableContent=null), ArticleFig(id=1308497931855028580, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=1lSz/6Tq8I0/4RPspf2pBg==, figureFileBig=QAFdkk5z7lRwL7X3j0Wr+Q==, tableContent=null), ArticleFig(id=1308497931926331749, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Fig.3, caption=
Impact of single-factor supercritical fluid anti-solvet (SAS) on the preparation of simvastatin solid dispersions. A: Pressure; B: Temperature; C: Flow rate of CO2; D: Carrier, figureFileSmall=1lSz/6Tq8I0/4RPspf2pBg==, figureFileBig=QAFdkk5z7lRwL7X3j0Wr+Q==, tableContent=null), ArticleFig(id=1308497931997634918, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=7QYnGumSprl5ywjV0HUQQw==, figureFileBig=MYFxy2I41+kTKE1lq69XMQ==, tableContent=null), ArticleFig(id=1308497932068938087, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Fig.4, caption=
Box-Behnken response surface interactions, figureFileSmall=7QYnGumSprl5ywjV0HUQQw==, figureFileBig=MYFxy2I41+kTKE1lq69XMQ==, tableContent=null), ArticleFig(id=1308497932152824168, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=oeIx67rFREcvsdhBkIoJqg==, figureFileBig=9eGKOaMRuUM5zLygtB18Hg==, tableContent=null), ArticleFig(id=1308497932245098857, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Fig.5, caption=
Characterization analysis. A: Infrared (IR) absorption spectrum; B: Differential scanning calorimetry (DSC) spectrogram; C: X-ray diffraction (XRD) spectrogram. SD: Solid dispersion; PVP: Polyvinyl pyrrolidone, figureFileSmall=oeIx67rFREcvsdhBkIoJqg==, figureFileBig=9eGKOaMRuUM5zLygtB18Hg==, tableContent=null), ArticleFig(id=1308497932333179242, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=y3dGFaKGRBho2SztjA7fHA==, figureFileBig=adQrV3UfjOOlPdIHcjbAyg==, tableContent=null), ArticleFig(id=1308497932454814059, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Fig.6, caption=
Scanning electron microscopy (SEM) images for single crystal (1) and agglomerated state (2). A1: Simvastatin raw material, 20 000×, 5 μm; A2: Simvastatin raw material, 1 000×, 100 μm; B1: PVP raw material, 5 000×, 20 μm; B2: PVP raw material, 1 000×, 100 μm; C1: Simvastatin physical mixture, 5 000×, 20 μm; C2: Simvastatin physical mixture, 1 000×, 100 μm; D1: Simvastatin tablets, 10 000×, 10 μm; D2: Simvastatin tablets, 1 000×, 100 μm; E1: Simvastatin dispersion, 50 000×, 2 μm; E2: Simvastatin dispersion, 5 000×, 20 μm, figureFileSmall=y3dGFaKGRBho2SztjA7fHA==, figureFileBig=adQrV3UfjOOlPdIHcjbAyg==, tableContent=null), ArticleFig(id=1308497932542894444, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=WDwpQ9FZlBNbuDqi9PrKFg==, figureFileBig=NKvldukDguZF9Im7JB7FIA==, tableContent=null), ArticleFig(id=1308497932622586221, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Fig.7, caption=
Dissolution and bioavailability. A: Cumulative dissolution curve. n = 3, x ± s; B: Plasma concentration-time profile of simvastatin in rats after oral administration. n = 6, x ± s, figureFileSmall=WDwpQ9FZlBNbuDqi9PrKFg==, figureFileBig=NKvldukDguZF9Im7JB7FIA==, tableContent=null), ArticleFig(id=1308497932698083694, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Level | Factor |
| A | | B | | C | | D |
| Pressure/Mpa | | Temperature/℃ | | Flow rate of CO2/L·min-1 | | Carrier |
| 1 | 12 | | 35 | | 0.5 | | F-127∶PVP (1∶10, w/w) |
| 2 | 16 | | 42 | | 2.0 | | F-127∶PVP (1∶5, w/w) |
| 3 | 20 | | 50 | | 3.5 | | PVP |
), ArticleFig(id=1308497932777775471, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Tab.1, caption=
Box-Behnken experimental design factors and levels for simvastatin solid dispersions
, figureFileSmall=null, figureFileBig=null, tableContent=
| Level | Factor |
| A | | B | | C | | D |
| Pressure/Mpa | | Temperature/℃ | | Flow rate of CO2/L·min-1 | | Carrier |
| 1 | 12 | | 35 | | 0.5 | | F-127∶PVP (1∶10, w/w) |
| 2 | 16 | | 42 | | 2.0 | | F-127∶PVP (1∶5, w/w) |
| 3 | 20 | | 50 | | 3.5 | | PVP |
), ArticleFig(id=1308497932878438768, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Group | A | | B | | C | | D | Dissolution (Ѱ)/% |
| Pressure/Mpa | | Temperature/℃ | | Flow rate of CO2/L·min-1 | | Carrier |
| 1 | 16.00 | | 50.00 | | 2.00 | | 0 | 87.27 |
| 2 | 12.00 | | 42.50 | | 2.00 | | 0 | 82.38 |
| 3 | 16.00 | | 35.00 | | 0.50 | | 0.1 | 71.56 |
| 4 | 12.00 | | 42.50 | | 0.50 | | 0.1 | 71.29 |
| 5 | 16.00 | | 35.00 | | 3.50 | | 0.1 | 69.66 |
| 6 | 16.00 | | 42.50 | | 0.50 | | 0 | 88.61 |
| 7 | 12.00 | | 42.50 | | 2.00 | | 0.2 | 75.52 |
| 8 | 12.00 | | 35.00 | | 2.00 | | 0.1 | 68.5 |
| 9 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 76.59 |
| 10 | 16.00 | | 50.00 | | 0.50 | | 0.1 | 72.43 |
| 11 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 77.14 |
| 12 | 20.00 | | 42.50 | | 2.00 | | 0.2 | 72.62 |
| 13 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 75.01 |
| 14 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 75.22 |
| 15 | 16.00 | | 42.50 | | 3.50 | | 0 | 84.91 |
| 16 | 20.00 | | 42.50 | | 3.50 | | 0.1 | 73.41 |
| 17 | 12.00 | | 42.50 | | 3.50 | | 0.1 | 72.07 |
| 18 | 20.00 | | 50.00 | | 2.00 | | 0.1 | 73.34 |
| 19 | 20.00 | | 35.00 | | 2.00 | | 0.1 | 66.52 |
| 20 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 76.51 |
| 21 | 16.00 | | 35.00 | | 2.00 | | 0 | 82.84 |
| 22 | 12.00 | | 50.00 | | 2.00 | | 0.1 | 71.37 |
| 23 | 16.00 | | 35.00 | | 2.00 | | 0.2 | 70.65 |
| 24 | 20.00 | | 42.50 | | 2.00 | | 0 | 85.22 |
| 25 | 16.00 | | 50.00 | | 3.50 | | 0.1 | 74.67 |
| 26 | 16.00 | | 50.00 | | 2.00 | | 0.2 | 75.68 |
| 27 | 20.00 | | 42.50 | | 0.50 | | 0.1 | 70.03 |
| 28 | 16.00 | | 42.50 | | 3.50 | | 0.2 | 77.65 |
| 29 | 16.00 | | 42.50 | | 0.50 | | 0.2 | 74.05 |
), ArticleFig(id=1308497932966519153, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Tab.2, caption=
Box-Behnken experimental design combinations and results
, figureFileSmall=null, figureFileBig=null, tableContent=
| Group | A | | B | | C | | D | Dissolution (Ѱ)/% |
| Pressure/Mpa | | Temperature/℃ | | Flow rate of CO2/L·min-1 | | Carrier |
| 1 | 16.00 | | 50.00 | | 2.00 | | 0 | 87.27 |
| 2 | 12.00 | | 42.50 | | 2.00 | | 0 | 82.38 |
| 3 | 16.00 | | 35.00 | | 0.50 | | 0.1 | 71.56 |
| 4 | 12.00 | | 42.50 | | 0.50 | | 0.1 | 71.29 |
| 5 | 16.00 | | 35.00 | | 3.50 | | 0.1 | 69.66 |
| 6 | 16.00 | | 42.50 | | 0.50 | | 0 | 88.61 |
| 7 | 12.00 | | 42.50 | | 2.00 | | 0.2 | 75.52 |
| 8 | 12.00 | | 35.00 | | 2.00 | | 0.1 | 68.5 |
| 9 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 76.59 |
| 10 | 16.00 | | 50.00 | | 0.50 | | 0.1 | 72.43 |
| 11 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 77.14 |
| 12 | 20.00 | | 42.50 | | 2.00 | | 0.2 | 72.62 |
| 13 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 75.01 |
| 14 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 75.22 |
| 15 | 16.00 | | 42.50 | | 3.50 | | 0 | 84.91 |
| 16 | 20.00 | | 42.50 | | 3.50 | | 0.1 | 73.41 |
| 17 | 12.00 | | 42.50 | | 3.50 | | 0.1 | 72.07 |
| 18 | 20.00 | | 50.00 | | 2.00 | | 0.1 | 73.34 |
| 19 | 20.00 | | 35.00 | | 2.00 | | 0.1 | 66.52 |
| 20 | 16.00 | | 42.50 | | 2.00 | | 0.1 | 76.51 |
| 21 | 16.00 | | 35.00 | | 2.00 | | 0 | 82.84 |
| 22 | 12.00 | | 50.00 | | 2.00 | | 0.1 | 71.37 |
| 23 | 16.00 | | 35.00 | | 2.00 | | 0.2 | 70.65 |
| 24 | 20.00 | | 42.50 | | 2.00 | | 0 | 85.22 |
| 25 | 16.00 | | 50.00 | | 3.50 | | 0.1 | 74.67 |
| 26 | 16.00 | | 50.00 | | 2.00 | | 0.2 | 75.68 |
| 27 | 20.00 | | 42.50 | | 0.50 | | 0.1 | 70.03 |
| 28 | 16.00 | | 42.50 | | 3.50 | | 0.2 | 77.65 |
| 29 | 16.00 | | 42.50 | | 0.50 | | 0.2 | 74.05 |
), ArticleFig(id=1308497936510706034, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Source | Sum of squares | Degree of freedom | Mean square | F | P | Significance |
| Model | 901.96 | 14 | 64.43 | 81.97 | < 0.000 1 | *** |
| A | 8.33E-006 | 1 | 8.33E-006 | 1.06E-005 | 0.997 4 | |
| B | 52.21 | 1 | 52.21 | 66.43 | < 0.000 1 | *** |
| C | 1.61 | 1 | 1.61 | 2.05 | 0.173 9 | |
| D | 352.73 | 1 | 352.73 | 448.79 | < 0.000 1 | *** |
| AB | 3.90 | 1 | 3.90 | 4.96 | 0.042 8 | * |
| AC | 1.69 | 1 | 1.69 | 2.15 | 0.164 6 | |
| AD | 8.24 | 1 | 8.24 | 10.48 | 0.006 0 | * |
| BC | 4.28 | 1 | 4.28 | 5.45 | 0.035 0 | * |
| BD | 0.09 | 1 | 0.09 | 0.11 | 0.740 1 | |
| CD | 13.32 | 1 | 13.32 | 16.95 | 0.001 0 | * |
| A2 | 69.51 | 1 | 69.51 | 88.45 | < 0.000 1 | *** |
| B2 | 58.23 | 1 | 58.23 | 74.09 | < 0.000 1 | *** |
| C2 | 6.68 | 1 | 6.68 | 8.50 | 0.011 3 | * |
| D2 | 242.76 | 1 | 242.76 | 308.86 | < 0.000 1 | *** |
| Residual | 11.00 | 14 | 0.79 | | | |
| Lack of fit | 7.55 | 10 | 0.76 | 0.87 | 0.609 0 | |
| Pure error | 3.45 | 4 | 0.86 | | | |
| Cor total | 912.96 | 28 | | | | |
), ArticleFig(id=1308497936670089587, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Tab.3, caption=
Quadratic model variance analysis. n = 3, x ± s. *P < 0.05, ***P < 0.001
, figureFileSmall=null, figureFileBig=null, tableContent=
| Source | Sum of squares | Degree of freedom | Mean square | F | P | Significance |
| Model | 901.96 | 14 | 64.43 | 81.97 | < 0.000 1 | *** |
| A | 8.33E-006 | 1 | 8.33E-006 | 1.06E-005 | 0.997 4 | |
| B | 52.21 | 1 | 52.21 | 66.43 | < 0.000 1 | *** |
| C | 1.61 | 1 | 1.61 | 2.05 | 0.173 9 | |
| D | 352.73 | 1 | 352.73 | 448.79 | < 0.000 1 | *** |
| AB | 3.90 | 1 | 3.90 | 4.96 | 0.042 8 | * |
| AC | 1.69 | 1 | 1.69 | 2.15 | 0.164 6 | |
| AD | 8.24 | 1 | 8.24 | 10.48 | 0.006 0 | * |
| BC | 4.28 | 1 | 4.28 | 5.45 | 0.035 0 | * |
| BD | 0.09 | 1 | 0.09 | 0.11 | 0.740 1 | |
| CD | 13.32 | 1 | 13.32 | 16.95 | 0.001 0 | * |
| A2 | 69.51 | 1 | 69.51 | 88.45 | < 0.000 1 | *** |
| B2 | 58.23 | 1 | 58.23 | 74.09 | < 0.000 1 | *** |
| C2 | 6.68 | 1 | 6.68 | 8.50 | 0.011 3 | * |
| D2 | 242.76 | 1 | 242.76 | 308.86 | < 0.000 1 | *** |
| Residual | 11.00 | 14 | 0.79 | | | |
| Lack of fit | 7.55 | 10 | 0.76 | 0.87 | 0.609 0 | |
| Pure error | 3.45 | 4 | 0.86 | | | |
| Cor total | 912.96 | 28 | | | | |
), ArticleFig(id=1308497936774947188, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Sample | D10/μm | D50/μm | D90/μm |
| Raw material | 2.44 | 11.26 | 23.49 |
| Tablet | 2.28 | 15.56 | 40.42 |
| Physical mixture | 2.66 | 12.02 | 21.78 |
| SD | 0.31 | 0.78 | 1.15 |
), ArticleFig(id=1308497936883999093, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308455947916038987, language=CN, label=Tab.4, caption=
Particle size summary
, figureFileSmall=null, figureFileBig=null, tableContent=
| Sample | D10/μm | D50/μm | D90/μm |
| Raw material | 2.44 | 11.26 | 23.49 |
| Tablet | 2.28 | 15.56 | 40.42 |
| Physical mixture | 2.66 | 12.02 | 21.78 |
| SD | 0.31 | 0.78 | 1.15 |
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