Article(id=1198624410967049193, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1198624396437975057, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2022-1373, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1670860800000, receivedDateStr=2022-12-13, revisedDate=1674316800000, revisedDateStr=2023-01-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1763703928939, onlineDateStr=2025-11-21, pubDate=1678550400000, pubDateStr=2023-03-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763703928939, onlineIssueDateStr=2025-11-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763703928939, creator=13701087609, updateTime=1763703928939, updator=13701087609, issue=Issue{id=1198624396437975057, tenantId=1146029695717560320, journalId=1189982191388893191, year='2023', volume='58', issue='3', pageStart='1', pageEnd='804', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1763703925474, creator=13701087609, updateTime=1763704091914, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1198625094596657875, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1198624396437975057, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1198625094596657876, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1198624396437975057, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=767, endPage=772, ext={EN=ArticleExt(id=1198624411319369745, articleId=1198624410967049193, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Determination of purity of a new anti-fatty liver drug IMH by differential scanning calorimetry method and uncertainty evaluation, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
The purity of 4,4′-dimethoxy-5,6,5′,6′-bis (methylenedioxy)-2′-morpholine methylenebiphenyl-2-methyl formate methanesulfonate (IMH), a new drug for fatty liver treatment, was determined through differential scanning calorimetry (DSC). Analysis of two-factor non repeatability method was performed in the investigation the effects of two factors (heating rate and sample weight) on purity determination. The DSC experimental parameters were optimized as follows: heating rate was 10 ℃·min-1, temperature range was 150-300 ℃, sample weight was 2.0-4.1 mg, and N2 flow rate was 80 mL·min-1. The linear correlation coefficient (r) of this DSC method was 0.999 8. The RSD value (n = 6) of precision was 0.03%. The standard value and uncertainty of the purity results of the multiple batches of IMH drugs were (99.74 ± 0.29)%, (99.91 ± 0.28)%, (99.90 ± 0.28)%, and (99.81 ± 0.28)% with inclusion factor (K) of 2 and confidence probability (P) of 0.95. The results were basically consistent with the results of the mass balance method. The DSC mehod is a simple, rapid and accurate method, and provides a new reference method for determining the purity of IMH drugs, improves the accuracy and reliability of purity determination.
, correspAuthors=Qing-yun YANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2023 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=Hui-hui SHAO, Kang-fan LEI, Tong QIN, Wen-xuan ZHANG, Song WU, Qing-yun YANG), CN=ArticleExt(id=1198624412758016160, articleId=1198624410967049193, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=抗脂肪肝新药IMH的差示扫描量热法纯度定值研究及不确定度评估, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
建立差示扫描量热法(differential scanning calorimetry, DSC), 测定脂肪肝治疗新药4,4′-二甲氧基-5,6,5′,6′-双(亚甲二氧基)-2′-吗啉亚甲基联苯-2-甲酸甲酯甲磺酸盐(简称IMH) 的纯度。采用双因素无重复性方差分析, 优化DSC实验参数为升温速率10 ℃·min-1, 温度区间150~300 ℃, 称样量范围2.0~4.1 mg, N2流速80 mL·min-1; 该DSC方法验证的线性相关系数r = 0.999 8; 精密度RSD (n = 6) 为0.03%; 多批次IMH药物纯度测定结果的标准值及不确定度分别为(99.74 ± 0.29)%、(99.91 ± 0.28)%、(99.90 ± 0.28)%、(99.81 ± 0.28)%, 包含因子K = 2, 置信概率P = 0.95, 其结果与质量平衡法测定结果基本一致。该DSC方法简便、快捷、准确, 为IMH纯度定值提供新的方法, 提高了IMH药物纯度测定的准确性和可靠性。
, correspAuthors=杨庆云, authorNote=null, correspAuthorsNote=
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Metrol Sci Technol (计量科学与技术),
2021,
65: 63-67., articleTitle=Determination of purity of DMT by the DSC method and the uncertainty evaluation, refAbstract=null), Reference(id=1198702066630750517, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[26], rfOrder=25, authorNames=null, journalName=null, refType=null, unstructuredReference=National Institute of Metrology. JJG 936-2012 Verification Regulation of the Differential Scanning Calorimeters (JJG 936-2012示差扫描量热计检定规程) [S]. Beijing: China Quality Inspection Press, 2012., articleTitle=null, refAbstract=null), Reference(id=1198702066840465739, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[27], rfOrder=26, authorNames=null, journalName=null, refType=null, unstructuredReference=The State Bureau of Quality and Technical Supervision. JJF1059.1-2012 Evaluation and Expression of Uncertainty in Measurement (JJF1059.1-2012规程测量不确定度评定与表示) [S]. Beijing: China Quality Inspection Press, 2012., articleTitle=null, refAbstract=null)], funds=[Fund(id=1198702061589197743, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, awardId=2021-I2M-1-028, language=CN, fundingSource=中国医学科学院医学与健康科技创新工程项目(2021-I2M-1-028), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1198702053850706150, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, xref=null, ext=[AuthorCompanyExt(id=1198702053892649195, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, companyId=1198702053850706150, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China), AuthorCompanyExt(id=1198702053901037804, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, companyId=1198702053850706150, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国医学科学院、北京协和医学院药物研究所, 天然药物活性物质与功能国家重点实验室, 北京 100050)])], figs=[ArticleFig(id=1198702059013894892, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=EN, label=null, caption=null, figureFileSmall=VdBx9U/Z4zXJTrqzeeP+uQ==, figureFileBig=W9I+ftzbOfBZlhno4l3AFg==, tableContent=null), ArticleFig(id=1198702059231998716, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=CN, label=Figure 1, caption=
Thermal gravimetric analyzer (TGA) curves of IMH multi batch active pharmaceutical ingredient (API). IMH: 4,4′-Dimethoxy-5,6,5′,6′-bis (methylenedioxy)-2′-morpholine methylenebiphenyl-2-methyl formate methanesulfonate , figureFileSmall=VdBx9U/Z4zXJTrqzeeP+uQ==, figureFileBig=W9I+ftzbOfBZlhno4l3AFg==, tableContent=null), ArticleFig(id=1198702059424936717, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=EN, label=null, caption=null, figureFileSmall=CaJiu51Wf70MqLxxKlhN3w==, figureFileBig=rgWFPvnHSXpjPhPmp8itUA==, tableContent=null), ArticleFig(id=1198702059580125980, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=CN, label=Figure 2, caption=
Differential scanning calorimetry (DSC) curves of different heating rate (sample weight 3 mg) , figureFileSmall=CaJiu51Wf70MqLxxKlhN3w==, figureFileBig=rgWFPvnHSXpjPhPmp8itUA==, tableContent=null), ArticleFig(id=1198702059773063975, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=EN, label=null, caption=null, figureFileSmall=dESvG8bwh40be8MSW9WitQ==, figureFileBig=B44rSH1g2uyoykpTauDIRA==, tableContent=null), ArticleFig(id=1198702059898893106, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=CN, label=Figure 3, caption=
DSC curves of sample weight 2.0-4.1 mg (heating rate 10 ℃·min-1) , figureFileSmall=dESvG8bwh40be8MSW9WitQ==, figureFileBig=B44rSH1g2uyoykpTauDIRA==, tableContent=null), ArticleFig(id=1198702060037305145, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Heating rate/℃·min-1 | Purity results of different sample weight/% |
| 2.0-2.2 mg | 2.5-2.7 mg | 3.0-3.2 mg | 3.9-4.1 mg |
| 1 | 99.650 | 99.541 | 99.531 | 99.610 |
| 2 | 99.653 | 99.684 | 99.639 | 99.741 |
| 3 | 99.602 | 99.766 | 99.682 | 99.709 |
| 4 | 99.741 | 99.752 | 99.789 | 99.682 |
| 5 | 99.728 | 99.705 | 99.677 | 99.774 |
| 6 | 99.567 | 99.704 | 99.743 | 99.781 |
| 7 | 99.751 | 99.750 | 99.619 | 99.763 |
| 8 | 99.731 | 99.742 | 99.750 | 99.548 |
| 9 | 99.649 | 99.713 | 99.724 | 99.742 |
| 10 | 99.399 | 99.699 | 99.744 | 99.745 |
| 11 | 99.703 | 99.690 | 99.620 | 99.744 |
| 12 | 99.712 | 99.628 | 99.688 | 99.762 |
| 13 | 99.664 | 99.686 | 99.636 | 99.725 |
| 14 | 99.663 | 99.699 | 99.705 | 99.587 |
| 15 | 99.668 | 99.705 | 99.658 | 99.754 |
), ArticleFig(id=1198702060192494406, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=CN, label=Table 1, caption=
Two-factor non repeatability test results of heating rate and sample weight
, figureFileSmall=null, figureFileBig=null, tableContent=
| Heating rate/℃·min-1 | Purity results of different sample weight/% |
| 2.0-2.2 mg | 2.5-2.7 mg | 3.0-3.2 mg | 3.9-4.1 mg |
| 1 | 99.650 | 99.541 | 99.531 | 99.610 |
| 2 | 99.653 | 99.684 | 99.639 | 99.741 |
| 3 | 99.602 | 99.766 | 99.682 | 99.709 |
| 4 | 99.741 | 99.752 | 99.789 | 99.682 |
| 5 | 99.728 | 99.705 | 99.677 | 99.774 |
| 6 | 99.567 | 99.704 | 99.743 | 99.781 |
| 7 | 99.751 | 99.750 | 99.619 | 99.763 |
| 8 | 99.731 | 99.742 | 99.750 | 99.548 |
| 9 | 99.649 | 99.713 | 99.724 | 99.742 |
| 10 | 99.399 | 99.699 | 99.744 | 99.745 |
| 11 | 99.703 | 99.690 | 99.620 | 99.744 |
| 12 | 99.712 | 99.628 | 99.688 | 99.762 |
| 13 | 99.664 | 99.686 | 99.636 | 99.725 |
| 14 | 99.663 | 99.699 | 99.705 | 99.587 |
| 15 | 99.668 | 99.705 | 99.658 | 99.754 |
), ArticleFig(id=1198702060431569747, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Source of difference | SS | df | MS | F | P-value | F crit |
| Heating rate | 0.076 50 | 14 | 0.005 46 | 1.09 | 0.39 | 1.94 |
| Sample weight | 0.023 07 | 3 | 0.007 69 | 1.54 | 0.22 | 2.83 |
| Error | 0.209 94 | 42 | 0.005 00 | | | |
| Total | 0.309 51 | 59 | | | | |
), ArticleFig(id=1198702060540621665, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=CN, label=Table 2, caption=
Analysis of variance results with heating rate and sample weight. SS: Stdev square; df: Degree freedom; MS: Mean square
, figureFileSmall=null, figureFileBig=null, tableContent=
| Source of difference | SS | df | MS | F | P-value | F crit |
| Heating rate | 0.076 50 | 14 | 0.005 46 | 1.09 | 0.39 | 1.94 |
| Sample weight | 0.023 07 | 3 | 0.007 69 | 1.54 | 0.22 | 2.83 |
| Error | 0.209 94 | 42 | 0.005 00 | | | |
| Total | 0.309 51 | 59 | | | | |
), ArticleFig(id=1198702060662256486, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Sample weight/mg | Endothermic peak area/mJ | Purity/% | Average purity/% | RSD/% |
| 2.12 | 222.01 | 99.697 | 99.73 | 0.03 |
| 2.51 | 259.03 | 99.746 |
| 2.81 | 292.04 | 99.758 |
| 3.22 | 331.31 | 99.742 |
| 3.85 | 393.11 | 99.708 |
| 4.01 | 412.53 | 99.706 |
), ArticleFig(id=1198702060809057140, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=CN, label=Table 3, caption=
Linearity and precision of the DSC method
, figureFileSmall=null, figureFileBig=null, tableContent=
| Sample weight/mg | Endothermic peak area/mJ | Purity/% | Average purity/% | RSD/% |
| 2.12 | 222.01 | 99.697 | 99.73 | 0.03 |
| 2.51 | 259.03 | 99.746 |
| 2.81 | 292.04 | 99.758 |
| 3.22 | 331.31 | 99.742 |
| 3.85 | 393.11 | 99.708 |
| 4.01 | 412.53 | 99.706 |
), ArticleFig(id=1198702061027160964, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Batch No. | DSC method | | Mass balance method |
| Purity±U/% | | HPLC/% | Loss on drying/% | Residue on ignition/% | Purity/% |
| 20180608 | 99.74 ± 0.29 | | 99.89 | 0.17 | 0.05 | 99.67 |
| 20211001 | 99.91 ± 0.28 | 99.92 | 0.02 | 0.05 | 99.85 |
| 20211101 | 99.90 ± 0.28 | 99.94 | 0.04 | 0.05 | 99.85 |
| 20220622 | 99.81 ± 0.28 | 99.93 | 0.02 | 0.05 | 99.86 |
), ArticleFig(id=1198702061287207828, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198624410967049193, language=CN, label=Table 4, caption=
Comparison of purity determination results between DSC method and mass balance method. Purity% = HPLC% (100% - Loss on drying% - Residue on ignition%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Batch No. | DSC method | | Mass balance method |
| Purity±U/% | | HPLC/% | Loss on drying/% | Residue on ignition/% | Purity/% |
| 20180608 | 99.74 ± 0.29 | | 99.89 | 0.17 | 0.05 | 99.67 |
| 20211001 | 99.91 ± 0.28 | 99.92 | 0.02 | 0.05 | 99.85 |
| 20211101 | 99.90 ± 0.28 | 99.94 | 0.04 | 0.05 | 99.85 |
| 20220622 | 99.81 ± 0.28 | 99.93 | 0.02 | 0.05 | 99.86 |
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