Article(id=1222469959704371792, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1222469957925986888, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2019-0444, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1559577600000, receivedDateStr=2019-06-04, revisedDate=1561996800000, revisedDateStr=2019-07-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1769389150787, onlineDateStr=2026-01-26, pubDate=1568217600000, pubDateStr=2019-09-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769389150787, onlineIssueDateStr=2026-01-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769389150787, creator=13701087609, updateTime=1769389150787, updator=13701087609, issue=Issue{id=1222469957925986888, tenantId=1146029695717560320, journalId=1189982191388893191, year='2019', volume='54', issue='9', pageStart='1531', pageEnd='1710', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769389150363, creator=13701087609, updateTime=1769389521923, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222471516416106987, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1222469957925986888, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222471516416106988, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1222469957925986888, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1673, endPage=1679, ext={EN=ArticleExt(id=1222469960274797150, articleId=1222469959704371792, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Effect of carrier size and surface morphology on the aerosolization of formulation in a capsule-based dry powder inhale, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
The size and surface morphology of carrier lactose had influence on the aerosolization performance of dry powder inhalers. In this article, chlorpheniramine maleate was blended with two types of commercial carrier lactose, which were Lactohale 100® and Respitose SV003® (SV003), as formulation model. In vitro experiments were conducted using fast screening impactor at 30 L·min-1 and 60 L·min-1 respectively. Meanwhile, computational fluid dynamics (CFD) coupling with discrete element modelling (DEM) was applied to discuss the movements of those two carrier particles in Handihaler® at the flow rate mentioned above. The dispersion characteristics of two formulations and the dispersion mechanism of Handihaler® were analyzed by establishing the relationship between in vitro experiments and numerical simulation. The results of in vitro experiments and CFD-DEM demonstrated that the aerosolization performance of formulation with SV003 was better. The linear correlation (R2=0.940 1) between fine particle dose and total energy loss by carrier collision within the wall of device was found by comparing the in vitro experimental results with CFD-DEM results. It revealed that particle-wall collision in Handihaler® had direct impact on the dispersion results of formulation.
, correspAuthors=Lan CHEN, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2019 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, authorCompany=null, fund=null, authors=null, authorsList=Hu-qi MENG, Lan CHEN, Dong-hao CHEN), CN=ArticleExt(id=1222469961788940980, articleId=1222469959704371792, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=载体粒径与表面形态对胶囊型粉雾剂装置内处方分散的影响, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
载体乳糖粒径及表面形态皆会对粉雾剂(dry powder inhaler)的分散结果造成影响。本研究将两种商用载体乳糖Lactohale 100®和Respitose SV003®(SV003)分别与马来酸氯苯那敏(chlorpheniramine maleate)混合作为制剂模型,通过快速筛选撞击器(fast screening impactor)分析两种载体处方在30和60 L·min-1流速下的体外沉积表现,同时使用计算流体力学(computational fluid dynamic,CFD)耦合离散元(discrete element modelling,DEM)方法探讨上述流速条件下两种载体颗粒在胶囊型粉雾剂装置Handihaler®内的运动情况。通过建立体外实验与模拟结果之间的联系,分析两种载体处方的分散特点及探讨Handihaler®装置结构的分散机制。体外实验和CFD-DEM结果表明,SV003载体处方在分散表现上更好。体外实验与CFD-DEM的比对结果显示,载体处方的微细颗粒剂量(fine particle dose)与载体颗粒和装置壁面的碰撞能量损失总和之间具有一定的线性相关性(R2=0.940 1),说明在Handihaler®分散结构内载体颗粒和壁面之间的碰撞作用会直接影响载体处方的分散结果。
, correspAuthors=陈岚, authorNote=null, correspAuthorsNote=
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Schematic view of the flowfield of Handihaler® , figureFileSmall=kPJ5ZaAP+DsZWx0NcBuDqQ==, figureFileBig=JCBPHkpmcvYmOH4rpcnwVg==, tableContent=null), ArticleFig(id=1222469964322300709, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=KwHyxsQE8+tVW8zVBaTAyA==, figureFileBig=v8L2krKFsUpPLGrCyRpSCg==, tableContent=null), ArticleFig(id=1222469964422964011, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=CN, label=Figure 2, caption=
Mass deposition of chloropheniramine maleate (CM) formulated with two different carrier particles in each stage following aerosolization from the Handihaler® at 30 L·min-1 and 60 L·min-1 respectively. n = 3, *P < 0.05, **P < 0.01 , figureFileSmall=KwHyxsQE8+tVW8zVBaTAyA==, figureFileBig=v8L2krKFsUpPLGrCyRpSCg==, tableContent=null), ArticleFig(id=1222469964485878574, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=nxHItmIpII8nBWkxh6aosg==, figureFileBig=g6JkBLezrV1x22WGZO5CZw==, tableContent=null), ArticleFig(id=1222469964565570353, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=CN, label=Figure 3, caption=
Scanning electron micrographs of LH100 (A) and SV003 (B). Scale bars 10 μm; magnification ×1000 , figureFileSmall=nxHItmIpII8nBWkxh6aosg==, figureFileBig=g6JkBLezrV1x22WGZO5CZw==, tableContent=null), ArticleFig(id=1222469964641067827, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=7D1Y96lSPuremrDrilQb9g==, figureFileBig=/xyTOyOyiHhn18tuO19bLQ==, tableContent=null), ArticleFig(id=1222469964708176695, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=CN, label=Figure 4, caption=
Total number and energy loss by the carrier collision with respect of the location in Handihaler®. The carrier collision with capsule shell is not included in statistical data analysis of DEM , figureFileSmall=7D1Y96lSPuremrDrilQb9g==, figureFileBig=/xyTOyOyiHhn18tuO19bLQ==, tableContent=null), ArticleFig(id=1222469964804645691, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=oGo76A6S4+IXDTm3AYrQpg==, figureFileBig=mUcGqSx4lQowqQY6+xYSdw==, tableContent=null), ArticleFig(id=1222469964909503292, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=CN, label=Figure 5, caption=
Comparison between the results of in-vitro experiments and simulation under four conditions , figureFileSmall=oGo76A6S4+IXDTm3AYrQpg==, figureFileBig=mUcGqSx4lQowqQY6+xYSdw==, tableContent=null), ArticleFig(id=1222469965031138111, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=tDmkV8PaE+NkIdVkRplJsQ==, figureFileBig=nzg4YbKpUR9DGeq+V7gepA==, tableContent=null), ArticleFig(id=1222469965148578630, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=CN, label=Figure 6, caption=
Correlation between fine particle dose and total energy loss by carrier collision , figureFileSmall=tDmkV8PaE+NkIdVkRplJsQ==, figureFileBig=nzg4YbKpUR9DGeq+V7gepA==, tableContent=null), ArticleFig(id=1222469965299573574, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=cKQoB97g5xfby+i09e4CYg==, figureFileBig=Y3qMGKveL/bG53KzbwPUIw==, tableContent=null), ArticleFig(id=1222469965396042569, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=CN, label=Figure 7, caption=
Carrier particles with three different surface morphologies , figureFileSmall=cKQoB97g5xfby+i09e4CYg==, figureFileBig=Y3qMGKveL/bG53KzbwPUIw==, tableContent=null), ArticleFig(id=1222469965488317259, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Variable | Value |
| Density /kg·m-3 | 1 520 |
| Diameter /μm | 60, 135 |
| Poisson's ratio | 0.3 |
| Youngs modulus /GPa | 3.45×109 |
| Friction coefficient | 0.3 |
| Rolling friction coefficient | 0.01 |
| Restitution coefficient | 0.85 |
| Surface energy /J·m-2 | 0.05 |
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The properties of carrier particles in discrete element modelling (DEM) simulation
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| Variable | Value |
| Density /kg·m-3 | 1 520 |
| Diameter /μm | 60, 135 |
| Poisson's ratio | 0.3 |
| Youngs modulus /GPa | 3.45×109 |
| Friction coefficient | 0.3 |
| Rolling friction coefficient | 0.01 |
| Restitution coefficient | 0.85 |
| Surface energy /J·m-2 | 0.05 |
), ArticleFig(id=1222469965672866641, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1222469959704371792, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Particle number | 100 | 200 | 250 | 500 | 1 000 | 5 000 | 10 000 |
| Average particle velocitya/m·s-1 | 23.37 | 23.01 | 22.98 | 22.69 | 22.63 | 22.82 | 22.85 |
| Average particle velocityb/m·s-1 | 14.83 | 14.88 | 14.83 | 14.53 | 14.88 | 14.55 | 14.54 |
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Sensitivity analysis of different particle number.a Particle sized of 60 μm; b Particle sized of 135 μm
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| Particle number | 100 | 200 | 250 | 500 | 1 000 | 5 000 | 10 000 |
| Average particle velocitya/m·s-1 | 23.37 | 23.01 | 22.98 | 22.69 | 22.63 | 22.82 | 22.85 |
| Average particle velocityb/m·s-1 | 14.83 | 14.88 | 14.83 | 14.53 | 14.88 | 14.55 | 14.54 |
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Flow rate /L·min-1 | SV003 | | LH100 |
| Average relative velocity/m·s-1 | Average collision energy loss/J | | Average relative velocity/m·s-1 | Average collision energy loss/J |
| 30 | 11.09 | 3.23×10-9 | | 14.02 | 1.63×10-8 |
| 60 | 22.59 | 9.34×10-9 | 24.04 | 5.24×10-8 |
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DEM statistical data of average collision energy loss and relative velocity of carrier particle. The relative velocity refers to the relative velocity between air and particle
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Flow rate /L·min-1 | SV003 | | LH100 |
| Average relative velocity/m·s-1 | Average collision energy loss/J | | Average relative velocity/m·s-1 | Average collision energy loss/J |
| 30 | 11.09 | 3.23×10-9 | | 14.02 | 1.63×10-8 |
| 60 | 22.59 | 9.34×10-9 | 24.04 | 5.24×10-8 |
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