Article(id=1149789899425014479, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1149789895788552854, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752060874086, onlineDateStr=2025-07-09, pubDate=1742659200000, pubDateStr=2025-03-23, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752060874086, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752060874086, creator=13701087609, updateTime=1752060874086, updator=13701087609, issue=Issue{id=1149789895788552854, tenantId=1146029695717560320, journalId=1146119944283992078, year='2025', volume='3', issue='6', pageStart='1', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752060873219, creator=13701087609, updateTime=1753700598678, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156667402856289000, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1149789895788552854, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156667402856289001, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1149789895788552854, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=116, endPage=119, ext={CN=ArticleExt(id=1152194739694039560, articleId=1149789899425014479, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=高等级生物安全实验室人员手接触对物表污染的风险分析, columnId=1152194691782505406, journalTitle=实验室检测, columnName=评价与分析, runingTitle=null, highlight=null, articleAbstract=
目的 评估生物安全三级实验室(BSL3)人员操作高致病性病原微生物时手部接触对关键物表的污染风险,识别生物安全关键控制点。方法 对实验室内人员高频接触的物表进行每月连续采样,共采集406份样本,采用荧光定量PCR法检测病原微生物污染情况,并结合实验室操作流程分析污染原因;通过实施终末消毒、规范生物安全柜分区使用、区分主辅操作等措施进行干预。结果 总阳性检出率为2.96% (P<0.05), 4℃冰箱门把手、离心机按键、对讲机按键、培养箱门把手、80°C冰箱门把手、显微镜载物旋钮共6个关键部位检出污染,原因分析主要与人员手部交叉接触、消毒不彻底、操作分区不明等有关,经改进措施后,连续采样7次136份,检测阳性样本0份,污染率显著降低。结论 BSL3 实验室物表污染风险集中于人员手部接触频繁区域,需强化终末消毒程序、规范生物安全柜操作分区、明确主辅操作人员分工及手卫生管理,本研究为高等级生物安全实验室的操作规程优化提供了数据支持和实践依据。
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*黎薇,主任技师,研究方向为高等级实验室生物安全管理、菌毒种库保藏和应用。E-mail:12472344@qq.com
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彭晓放,硕士,副主任技师,研究方向为病原微生物的实验室检测和管理。
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39(1): 199-205., articleTitle=新型冠状病毒荧光定量PCR的Ct值与病毒分离的结果分析, refAbstract=null)], funds=[Fund(id=1154353345209815705, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, awardId=B2023032, language=CN, fundingSource=广东省医学科学技术研究基金项目(B2023032), fundOrder=null, country=null), Fund(id=1154353345264341658, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, awardId=C2017003, language=CN, fundingSource=广东省医学科学技术研究基金项目(C2017003), fundOrder=null, country=null), Fund(id=1154353345318867611, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, awardId=0620220104, language=CN, fundingSource=卫生健康平台科技创新人才项目(0620220104), fundOrder=null, country=null), Fund(id=1154353345377587868, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, awardId=2023B1212010010, language=CN, fundingSource=广东省科技计划项目(2023B1212010010), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154353340168262255, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, xref=null, ext=[AuthorCompanyExt(id=1154353340176650864, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, companyId=1154353340168262255, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=广东省疾病预防控制中心 广州 511430)])], figs=[ArticleFig(id=1154353344639390353, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=EN, label=null, caption=null, figureFileSmall=WwO5C8xFiFI93lTwy6DG+w==, figureFileBig=8MRT0mBGov76z1U9nSzymQ==, tableContent=null), ArticleFig(id=1154353344689722002, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=CN, label=图 1, caption=
终末消毒处理和采样阳性率的关系 注:“X”表示该监测月份期间(该采样日期和前一个采样日期之间的间隔)有开展终末消毒。
, figureFileSmall=WwO5C8xFiFI93lTwy6DG+w==, figureFileBig=8MRT0mBGov76z1U9nSzymQ==, tableContent=null), ArticleFig(id=1154353344740053651, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验室名称 | 分区 | 采样次数 | 阳性 个数 | 阳性率 /% |
| 生物安全三级 实验室 | 准备间 | 21 | 0 | 0 |
| 核心区 1 室缓冲间 | 20 | 0 | 0 |
| 核心区 2 室缓冲间 | 15 | 0 | 0 |
| 核心区 1 室 | 191 | 10 | 5.24 |
| 核心区 2 室 | 159 | 2 | 1.26 |
| 总计 | 406 | 12 | 2.96 |
), ArticleFig(id=1154353344790385300, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=CN, label=表 1, caption=
实验室手接触关键部位的污染监测结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验室名称 | 分区 | 采样次数 | 阳性 个数 | 阳性率 /% |
| 生物安全三级 实验室 | 准备间 | 21 | 0 | 0 |
| 核心区 1 室缓冲间 | 20 | 0 | 0 |
| 核心区 2 室缓冲间 | 15 | 0 | 0 |
| 核心区 1 室 | 191 | 10 | 5.24 |
| 核心区 2 室 | 159 | 2 | 1.26 |
| 总计 | 406 | 12 | 2.96 |
), ArticleFig(id=1154353344844911253, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 区域 | 采样部位 | 采样份数 | 核酸检测阳数 | 阳性率1% |
| 实验室核心区 | ${4}^{ \circ }\mathrm{C}$冰箱门把手 | 35 | 3 | 8.57 |
| 离心机按键 | 36 | 3 | 8.33 |
| 对讲机按键 | 16 | 1 | 6.25 |
| 培养箱门把手 | 50 | 3 | 6.00 |
| $- {80}^{ \circ }\mathrm{C}$冰箱门把手 | 34 | 1 | 2.94 |
| 显微镜载物旋钮 | 35 | 1 | 2.86 |
| 核心区出口门把手 | 40 | 0 | 0.00 |
| 缓冲间出入口门把手 | 37 | 0 | 0.00 |
| 安全柜门把手和按键 | 37 | 0 | 0.00 |
| 传真机按键 | 31 | 0 | 0.00 |
| 培养箱内托盘 | 19 | 0 | 0.00 |
| 人员实验操作后外层手套 | 7 | 0 | 0.00 |
| 实验室储物柜门把手 | 4 | 0 | 0.00 |
| 核心区生物安全垃圾桶 | 2 | 0 | 0.00 |
| 水浴锅按键 | 2 | 0 | 0.00 |
| 总计 | 385 | 12 | 3.12 |
), ArticleFig(id=1154353344912020118, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=CN, label=表 2, caption=
核心区采样部位分布及核酸检测结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 区域 | 采样部位 | 采样份数 | 核酸检测阳数 | 阳性率1% |
| 实验室核心区 | ${4}^{ \circ }\mathrm{C}$冰箱门把手 | 35 | 3 | 8.57 |
| 离心机按键 | 36 | 3 | 8.33 |
| 对讲机按键 | 16 | 1 | 6.25 |
| 培养箱门把手 | 50 | 3 | 6.00 |
| $- {80}^{ \circ }\mathrm{C}$冰箱门把手 | 34 | 1 | 2.94 |
| 显微镜载物旋钮 | 35 | 1 | 2.86 |
| 核心区出口门把手 | 40 | 0 | 0.00 |
| 缓冲间出入口门把手 | 37 | 0 | 0.00 |
| 安全柜门把手和按键 | 37 | 0 | 0.00 |
| 传真机按键 | 31 | 0 | 0.00 |
| 培养箱内托盘 | 19 | 0 | 0.00 |
| 人员实验操作后外层手套 | 7 | 0 | 0.00 |
| 实验室储物柜门把手 | 4 | 0 | 0.00 |
| 核心区生物安全垃圾桶 | 2 | 0 | 0.00 |
| 水浴锅按键 | 2 | 0 | 0.00 |
| 总计 | 385 | 12 | 3.12 |
), ArticleFig(id=1154353344966546071, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 采样阳性部位 | 采样地点(核心区) | 采样时间 | CT 值 |
| ORF1ab 值 | 基因值 |
| 1 | 4 °C 冰箱门把手 | 1 室 | 2021-01-19 | 38.00 | 38.00 |
| 2 | 4 °C 冰箱门把手 | 1 室 | 2022-05-25 | - | 37.00 |
| 3 | ${4}^{ \circ }\mathrm{C}$冰箱门把手 | 2 室 | 2022-12-30 | 38.69 | 39.88 |
| 4 | 离心机按键 | 1 室 | 2021-04-20 | - | 37.00 |
| 5 | 离心机按键 | 1 室 | 2021-06-22 | 35.60 | 36.80 |
| 6 | 离心机按键 | 1 室 | 2022-04-22 | 36.00 | 33.00 |
| 7 | 培养箱门把手 | 1 室 | 2021-06-22 | 37.40 | - |
| 8 | 培养箱门把手 | 1 室 | 2022-06-23 | - | 39.00 |
| 9 | 培养箱门把手 | 2 室 | 2022-12-30 | 38.08 | - |
| 10 | 对讲机按键 | 1 室 | 2022-06-23 | - | 39.00 |
| 11 | $- {80}^{ \circ }\mathrm{C}$冰箱门把手 | 1 室 | 2021-09-15 | 37.50 | - |
| 12 | 显微镜载物旋钮 | 1 室 | 2021-02-05 | 40.00 | 39.00 |
), ArticleFig(id=1154353345037849240, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1149789899425014479, language=CN, label=表 3, caption=
阳性结果的采样信息和核酸检测 CT 值结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 采样阳性部位 | 采样地点(核心区) | 采样时间 | CT 值 |
| ORF1ab 值 | 基因值 |
| 1 | 4 °C 冰箱门把手 | 1 室 | 2021-01-19 | 38.00 | 38.00 |
| 2 | 4 °C 冰箱门把手 | 1 室 | 2022-05-25 | - | 37.00 |
| 3 | ${4}^{ \circ }\mathrm{C}$冰箱门把手 | 2 室 | 2022-12-30 | 38.69 | 39.88 |
| 4 | 离心机按键 | 1 室 | 2021-04-20 | - | 37.00 |
| 5 | 离心机按键 | 1 室 | 2021-06-22 | 35.60 | 36.80 |
| 6 | 离心机按键 | 1 室 | 2022-04-22 | 36.00 | 33.00 |
| 7 | 培养箱门把手 | 1 室 | 2021-06-22 | 37.40 | - |
| 8 | 培养箱门把手 | 1 室 | 2022-06-23 | - | 39.00 |
| 9 | 培养箱门把手 | 2 室 | 2022-12-30 | 38.08 | - |
| 10 | 对讲机按键 | 1 室 | 2022-06-23 | - | 39.00 |
| 11 | $- {80}^{ \circ }\mathrm{C}$冰箱门把手 | 1 室 | 2021-09-15 | 37.50 | - |
| 12 | 显微镜载物旋钮 | 1 室 | 2021-02-05 | 40.00 | 39.00 |
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