Article(id=1220655529991524402, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220655523473571972, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2020-0084, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1580745600000, receivedDateStr=2020-02-04, revisedDate=1587052800000, revisedDateStr=2020-04-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1768956557033, onlineDateStr=2026-01-21, pubDate=1597161600000, pubDateStr=2020-08-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768956557033, onlineIssueDateStr=2026-01-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768956557033, creator=13701087609, updateTime=1768956557033, updator=13701087609, issue=Issue{id=1220655523473571972, tenantId=1146029695717560320, journalId=1189982191388893191, year='2020', volume='55', issue='8', pageStart='1707', pageEnd='1982', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768956555479, creator=13701087609, updateTime=1768986579152, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1220781451944051235, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220655523473571972, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1220781451944051236, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220655523473571972, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1889, endPage=1896, ext={EN=ArticleExt(id=1220655530599698518, articleId=1220655529991524402, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Analysis of polymer impurities in ceftazidime raw materials and preparations, columnId=null, journalTitle=Acta Pharmaceutica Sinica, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To establish a method for the determination of polymer impurities in ceftazidime raw materials and preparations, a ceftazidime degradation solution containing polymer impurities was prepared by forced polymerization. Polymer impurities in the degradation solution were separated and identified by high performance gel chromatography and the column switching-LC-MSn method. A new RP-HPLC method for ceftazidime polymer was established and validated with a Phenomenex Gemini-C18 column using a mobile phase gradient elution of 0.02 mol·L-1 phosphate buffer, methanol and acetonitrile. The results showed that when using this high performance gel chromatography method some small molecular weight impurities were co-eluted with the polymers, resulting in a poor specificity and poor quantitative accuracy. But when using the RP-HPLC method, four polymer impurities were detected in the 25-45 min time range with good specificity, sensitivity and robustness, including two ceftazidime dimers, trimers, and derivatives. Therefore, the described RP-HPLC method is suitable for the quality control of polymer impurities in ceftazidime, and ceftazidime degradation solution can be used as suitable solution for analysis of ceftazidime polymers.
, correspAuthors=Ming-zhe XU, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2020 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=Jin LI, Shang-chen YAO, Li-hui YIN, Ming-zhe XU, Chang-qin HU), CN=ArticleExt(id=1220655531589554328, articleId=1220655529991524402, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=头孢他啶原料及制剂的聚合物杂质分析, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
建立头孢他啶原料及制剂中聚合物杂质的分析方法。通过强制聚合法制备富含聚合物杂质的头孢他啶降解溶液;然后采用高效凝胶色谱法和柱切换-LC-MSn法对降解溶液中的聚合物杂质进行分离和结构鉴定;采用Phenomenex Gemini-C18型色谱柱,以0.02 mol·L-1磷酸盐缓冲液-甲醇-乙腈为流动相,进行梯度洗脱,建立RP-HPLC法分析头孢他啶聚合物,并进行方法学验证。结果表明高效凝胶排阻色谱法分离头孢他啶聚合物杂质时,部分小分子杂质与聚合物共出峰,方法专属性差、定量准确性差;RP-HPLC法分析头孢他啶聚合物杂质时,在25~45 min内检出头孢他啶二聚体及其衍生物、三聚体等4种聚合物杂质峰,专属性好、灵敏度高、方法耐用性好,因此RP-HPLC法可用于头孢他啶的聚合物杂质质控。头孢他啶降解溶液可作为分析头孢他啶聚合物的系统适用性溶液。
, correspAuthors=许明哲, authorNote=null, correspAuthorsNote=
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39: 1279-1294, articleTitle=Analysis of polymer impurities in piperacillin sodium and tazobactam sodium for injection, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1220686648745050583, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, xref=null, ext=[AuthorCompanyExt(id=1220686648749244887, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, companyId=1220686648745050583, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=National Institutes for Food and Drug Control, Beijng 102629, China), AuthorCompanyExt(id=1220686648757633496, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, companyId=1220686648745050583, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国食品药品检定研究院, 北京 102629)])], figs=[ArticleFig(id=1220686651962081892, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=EN, label=null, caption=null, figureFileSmall=nCfmT3k7uagVWgPk9mnKAw==, figureFileBig=j/aybohZHZKdnSCEbX4+Aw==, tableContent=null), ArticleFig(id=1220686652075328104, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=CN, label=Figure 1, caption=
Chemical structures of poor retention impurities in degradation solution. 1, 2: HPSEC-4a, 4b; 3: HPSEC-3a; 4-6: HPSEC-3b; 7-9: HPSEC-3c, 3f; 10-12: HPSEC-3d, 3e; 13, 14: HPSEC-3g, 3h; 15-17: HPSEC-2a, 2c; 18-20: HPSEC-2b , figureFileSmall=nCfmT3k7uagVWgPk9mnKAw==, figureFileBig=j/aybohZHZKdnSCEbX4+Aw==, tableContent=null), ArticleFig(id=1220686652196962926, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=EN, label=null, caption=null, figureFileSmall=y2DYR4GXQqZCzqfD9CSElg==, figureFileBig=px72E7OYkmWjCAxwE0nKiQ==, tableContent=null), ArticleFig(id=1220686652310209139, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=CN, label=Figure 2, caption=
Typical Chromatograms of ceftazidime degradation solution by EP9.0 and optimized method. A: EP9.0 method; B: Optimized method , figureFileSmall=y2DYR4GXQqZCzqfD9CSElg==, figureFileBig=px72E7OYkmWjCAxwE0nKiQ==, tableContent=null), ArticleFig(id=1220686652561867380, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=EN, label=null, caption=null, figureFileSmall=fCgoxOqqKa1mqDgYZFU3ZA==, figureFileBig=/t/pfu0CmDtS2EiKSgo5Bg==, tableContent=null), ArticleFig(id=1220686652628976246, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=CN, label=Figure 3, caption=
Typical Chromatograms of ceftazidime degradation solution, raw material and product by RP-HPLC. A: Degradation solution; B: Raw material; C: Product , figureFileSmall=fCgoxOqqKa1mqDgYZFU3ZA==, figureFileBig=/t/pfu0CmDtS2EiKSgo5Bg==, tableContent=null), ArticleFig(id=1220686652729639547, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Name HPSEC | Experimental Mr | TheoreticalMr | Error(ppm) | Formula | Full scan mass spectrum | Product ion (m/z) |
| 4a, 4b | 692.105 83 | 692.120 66 | −14.8 | C27H28N6O12S2 | 693.11 [M+H]+; 347.06 [M+2H]++ | 614.07, 586.07, 570.07, 542.08, 511.03, 423.02, 195.03, 167.03, 141.05 |
| 4c | 472.149 87 | - | - | - | 473.15 [M+H]+ | 413.13, 312.01, 275.11, 201.10, 161.11, 127.12 |
| 3a | 546.106 26 | 5 46.099 14 | 13.0 | C22H22N6O7S2 | 547.11 [M+H]+ | 468.06, 396.08, 277.02, 167.03 |
| 3b | 1 031.173 83 | 1 031.166 64 | 7.0 | C39H41N11O15S4 | 1 032.17 [M+H]+; 516.59 [M+2H]++ | 953.13, 909.14, 892.12, 865.15, 848.13, 821.17, 804.14, 777.18, 486.07 |
| 3c, 3f | 1 115.177 25 | 1 115.187 77 | -9.4 | C43H45N11O17S4 | 1 116.18 [M+H]+; 558.59 [M+2H]++ | 1037.14, 993.15, 976.12, 965.15, 787.07 |
| 3d, 3e | 1 013.163 15 | 1 013.156 08 | 7.0 | C39H39N11O14S4 | 1 014.16 [M+H]+; 507.59 [M+2H]++ | 935.12, 891.13, 874.11, 830.12, 780.12, 459.04 |
| 3g, 3h | 1 541.255 49 | 7.0 | C61H59N17O20S6 | - | 1 542.25 [M+H]+; 771.63 [M+2H]++ | 1419.22, 1340.18, 1296.19, 1279.16, 1252.18, 1185.17, 847.14, 736.13 |
| 2a, 2c | 1 159.167 60 | 1 159.177 60 | -8.6 | C44H45N11O19S4 | 1 160.17 [M+H]+; 580.59 [M+2H]++ | 1081.13, 1037.14, 1020.11, 993.15, 614.07, 570.06, 424.07 |
| 2b | 1 559.263 18 | 1 559.255 22 | 5.1 | C61H61N17O21S6 | 1 560.26 [M+H]+; 780.64 [M+2H]++ | 1481.22, 1437.23, 1358.19, 1314.20, 1297.18, 935.12, 891.13, 847.14, 830.12 |
), ArticleFig(id=1220686652813525630, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=CN, label=Table 1, caption=
Mass spectra data of polymer impurities in ceftazidime degradation solution
, figureFileSmall=null, figureFileBig=null, tableContent=
| Name HPSEC | Experimental Mr | TheoreticalMr | Error(ppm) | Formula | Full scan mass spectrum | Product ion (m/z) |
| 4a, 4b | 692.105 83 | 692.120 66 | −14.8 | C27H28N6O12S2 | 693.11 [M+H]+; 347.06 [M+2H]++ | 614.07, 586.07, 570.07, 542.08, 511.03, 423.02, 195.03, 167.03, 141.05 |
| 4c | 472.149 87 | - | - | - | 473.15 [M+H]+ | 413.13, 312.01, 275.11, 201.10, 161.11, 127.12 |
| 3a | 546.106 26 | 5 46.099 14 | 13.0 | C22H22N6O7S2 | 547.11 [M+H]+ | 468.06, 396.08, 277.02, 167.03 |
| 3b | 1 031.173 83 | 1 031.166 64 | 7.0 | C39H41N11O15S4 | 1 032.17 [M+H]+; 516.59 [M+2H]++ | 953.13, 909.14, 892.12, 865.15, 848.13, 821.17, 804.14, 777.18, 486.07 |
| 3c, 3f | 1 115.177 25 | 1 115.187 77 | -9.4 | C43H45N11O17S4 | 1 116.18 [M+H]+; 558.59 [M+2H]++ | 1037.14, 993.15, 976.12, 965.15, 787.07 |
| 3d, 3e | 1 013.163 15 | 1 013.156 08 | 7.0 | C39H39N11O14S4 | 1 014.16 [M+H]+; 507.59 [M+2H]++ | 935.12, 891.13, 874.11, 830.12, 780.12, 459.04 |
| 3g, 3h | 1 541.255 49 | 7.0 | C61H59N17O20S6 | - | 1 542.25 [M+H]+; 771.63 [M+2H]++ | 1419.22, 1340.18, 1296.19, 1279.16, 1252.18, 1185.17, 847.14, 736.13 |
| 2a, 2c | 1 159.167 60 | 1 159.177 60 | -8.6 | C44H45N11O19S4 | 1 160.17 [M+H]+; 580.59 [M+2H]++ | 1081.13, 1037.14, 1020.11, 993.15, 614.07, 570.06, 424.07 |
| 2b | 1 559.263 18 | 1 559.255 22 | 5.1 | C61H61N17O21S6 | 1 560.26 [M+H]+; 780.64 [M+2H]++ | 1481.22, 1437.23, 1358.19, 1314.20, 1297.18, 935.12, 891.13, 847.14, 830.12 |
), ArticleFig(id=1220686652897411714, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | tR/min | HPSEC identification | Experimental Mr | Theoretical Mr | Error(ppm) | Formula | Chemical structure |
| UNK-1 | 29.47 | HPSEC-2 | 1 159.165 65 | 1 159.177 60 | -9.8 | C44 H45N11O19S4 | Dimer derivative I (Figure 2: 15-17) |
| UNK-2 | 37.33 | HPSEC-3 | 1 013.162 84 | 1 013.163 09 | -0.5 | C39H39N11O14S4 | Dimer (Figure 2: 10-12) |
| UNK-3 | 37.99 | HPSEC-2 | 1 159.167 11 | 1 159.177 60 | -8.9 | C44H45N11O19S4 | Dimer derivative I isomer (Figure 2: 15-17) |
| UNK-4 | 39.23 | HPSEC-3 | 1 115.177 61 | 1 115.187 77 | -9.0 | C43H45N11O17S4 | Dimer derivative II (Figure 2: 7-9) |
| UNK-5 | 39.49 | HPSEC-3 | 1 115.176 51 | 1 115.187 77 | -10.0 | C43H45N11O17S4 | Dimer derivative II isomer (Figure 2: 7-9) |
| UNK-6 | 40.25 | HPSEC-2 | 1 559.262 33 | 1 559.255 22 | 4.6 | C61H61N17O21S6 | Trimer (Figure 2: 18-20) |
), ArticleFig(id=1220686652985492102, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220655529991524402, language=CN, label=Table 2, caption=
Polymer impurities separated by RP-HPLC
, figureFileSmall=null, figureFileBig=null, tableContent=
| No. | tR/min | HPSEC identification | Experimental Mr | Theoretical Mr | Error(ppm) | Formula | Chemical structure |
| UNK-1 | 29.47 | HPSEC-2 | 1 159.165 65 | 1 159.177 60 | -9.8 | C44 H45N11O19S4 | Dimer derivative I (Figure 2: 15-17) |
| UNK-2 | 37.33 | HPSEC-3 | 1 013.162 84 | 1 013.163 09 | -0.5 | C39H39N11O14S4 | Dimer (Figure 2: 10-12) |
| UNK-3 | 37.99 | HPSEC-2 | 1 159.167 11 | 1 159.177 60 | -8.9 | C44H45N11O19S4 | Dimer derivative I isomer (Figure 2: 15-17) |
| UNK-4 | 39.23 | HPSEC-3 | 1 115.177 61 | 1 115.187 77 | -9.0 | C43H45N11O17S4 | Dimer derivative II (Figure 2: 7-9) |
| UNK-5 | 39.49 | HPSEC-3 | 1 115.176 51 | 1 115.187 77 | -10.0 | C43H45N11O17S4 | Dimer derivative II isomer (Figure 2: 7-9) |
| UNK-6 | 40.25 | HPSEC-2 | 1 559.262 33 | 1 559.255 22 | 4.6 | C61H61N17O21S6 | Trimer (Figure 2: 18-20) |
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