Article(id=1236331739073795023, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236331736221676464, 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=1683820800000, acceptedDateStr=2023-05-12, onlineDate=1772694056528, onlineDateStr=2026-03-05, pubDate=1699977600000, pubDateStr=2023-11-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772694056528, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772694056528, creator=13701087609, updateTime=1772694056528, updator=13701087609, issue=Issue{id=1236331736221676464, tenantId=1146029695717560320, journalId=1235980733773295621, year='2023', volume='32', issue='21', pageStart='2121', pageEnd='2224', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772694055848, creator=13701087609, updateTime=1772696903836, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236343681607856366, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236331736221676464, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236343681607856367, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236331736221676464, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2210, endPage=2217, ext={EN=ArticleExt(id=1236331739321258977, articleId=1236331739073795023, tenantId=1146029695717560320, journalId=1235980733773295621, language=EN, title=Preparation and evaluation of photothermal lipid membrane coated Escherichia coli, columnId=null, journalTitle=Chinese Journal of New Drugs, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Objective:

To prepare photothermal lipid membrane coated Escherichia coli and study the properties.

Methods:

The photothermal lipid membrane (LMI) was prepared by thin film dispersion method, and the electrostatic adsorption method was used to coat Escherichia coli with the lipid membrane (). The size and potential of were analyzed by laser scattering particle size analyzer, the morphology of E.coli and was observed by transmission electron microscopy and laser confocal microscopy, and plate counting method was used to detect cell viability of In addition, the effect of protein expression of was evaluated by polyacrylamide gel electrophoresis, and the photothermal effect of was detected by Infrared Photothermal Imager.

Results:

had a smooth surface with the average particle size of (1 990.5±132) nm and the potential of -(5.09±0.52) mV. The coating of the lipid membrane had little effect on the activity of E.coli. Although the bacterial activity decreased after laser irradiation, the growth curve recovered to the same level as wild bacteria after 10 h of temperature gradient culture in LB medium. had well photothermal properties and can normally express protein. In vitro cytotoxicity experiments showed that under 808 nm laser irradiation presented enhanced antitumor effect on B16F10 and HepG2 cells.

Conclusion:

The successful preparation of provides a new research direction for the subsequent in-depth study of bacteria-mediated disease treatment.

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目的:

构建光热型脂质膜包覆大肠杆菌的复合物,并对其性能进行考察。

方法:

通过薄膜分散法制备光热型脂质膜(LMI),利用静电吸附作用制备脂质膜包覆的大肠杆菌()。激光散射粒度仪分析的粒径和电位;透射电子显微镜和激光共聚焦显微镜观察LMI包覆前后大肠杆菌形态;平板计数法和聚丙烯酰胺凝胶电泳分别检测LMI的包覆对大肠杆菌的活性及其蛋白表达谱的影响;红外光热成像仪检测的光热效应。

结果:

制备的粒径为(1 990.5±132) nm,电位为-(5.09±0.52) mV,透射电子显微镜图像显示涂层细菌上有一个清晰的外壳;脂质膜的包覆对大肠杆菌的生物活性几乎无影响;激光照射后细菌活性下降,但在LB培养基中进行温度梯度培养10 h后其生长曲线可恢复到与未涂层菌相当。具有良好的光热性能,能够进行正常的蛋白表达。体外细胞毒性实验表明,经激光照射后对B16F10和HepG2细胞均具有良好的杀伤作用。

结论:

的成功制备为后续深入研究工程菌介导的疾病治疗提供了新的研究方向。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
邱立朋,男,副教授,研究方向:药物新剂型、智能药物递送系统、多糖聚合物纳米载体。联系电话:(0510)85329042,E-mail:
陈敬华,男,教授,研究方向:药剂学、生物医用材料学。联系电话:(0510)85911900,E-mail:
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杨美洋,女,博士研究生,研究方向:肿瘤靶向给药系统研究。E-mail:

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光热型脂质膜包覆大肠杆菌药物递送系统的构建及体外评价
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杨美洋 1, 2 , 王军泽 1 , 李文化 1 , 赵冰可 1 , 邱立朋 1 , 陈敬华 1
中国新药杂志 | 实验研究 2023,32(21): 2210-2217
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中国新药杂志 | 实验研究 2023, 32(21): 2210-2217
光热型脂质膜包覆大肠杆菌药物递送系统的构建及体外评价
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杨美洋1, 2 , 王军泽1, 李文化1, 赵冰可1, 邱立朋1 , 陈敬华1
作者信息
  • 1江南大学生命科学与健康工程学院,无锡 214122
  • 2江南大学化学与材料工程学院,无锡 214122
  • 杨美洋,女,博士研究生,研究方向:肿瘤靶向给药系统研究。E-mail:

通讯作者:

邱立朋,男,副教授,研究方向:药物新剂型、智能药物递送系统、多糖聚合物纳米载体。联系电话:(0510)85329042,E-mail:
陈敬华,男,教授,研究方向:药剂学、生物医用材料学。联系电话:(0510)85911900,E-mail:
Preparation and evaluation of photothermal lipid membrane coated Escherichia coli
Mei-yang YANG1, 2 , Jun-ze WANG1, Wen-hua LI1, Bing-ke ZHAO1, Li-peng QIU1 , Jing-hua CHEN1
Affiliations
  • 1School of Life Science and Health Engineering, Jiangnan University, Wuxi 214122, China
  • 2School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
出版时间: 2023-11-15
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目的:

构建光热型脂质膜包覆大肠杆菌的复合物,并对其性能进行考察。

方法:

通过薄膜分散法制备光热型脂质膜(LMI),利用静电吸附作用制备脂质膜包覆的大肠杆菌()。激光散射粒度仪分析的粒径和电位;透射电子显微镜和激光共聚焦显微镜观察LMI包覆前后大肠杆菌形态;平板计数法和聚丙烯酰胺凝胶电泳分别检测LMI的包覆对大肠杆菌的活性及其蛋白表达谱的影响;红外光热成像仪检测的光热效应。

结果:

制备的粒径为(1 990.5±132) nm,电位为-(5.09±0.52) mV,透射电子显微镜图像显示涂层细菌上有一个清晰的外壳;脂质膜的包覆对大肠杆菌的生物活性几乎无影响;激光照射后细菌活性下降,但在LB培养基中进行温度梯度培养10 h后其生长曲线可恢复到与未涂层菌相当。具有良好的光热性能,能够进行正常的蛋白表达。体外细胞毒性实验表明,经激光照射后对B16F10和HepG2细胞均具有良好的杀伤作用。

结论:

的成功制备为后续深入研究工程菌介导的疾病治疗提供了新的研究方向。

脂质膜  /  大肠杆菌  /  吲哚菁绿  /  光热效应
Objective:

To prepare photothermal lipid membrane coated Escherichia coli and study the properties.

Methods:

The photothermal lipid membrane (LMI) was prepared by thin film dispersion method, and the electrostatic adsorption method was used to coat Escherichia coli with the lipid membrane (). The size and potential of were analyzed by laser scattering particle size analyzer, the morphology of E.coli and was observed by transmission electron microscopy and laser confocal microscopy, and plate counting method was used to detect cell viability of In addition, the effect of protein expression of was evaluated by polyacrylamide gel electrophoresis, and the photothermal effect of was detected by Infrared Photothermal Imager.

Results:

had a smooth surface with the average particle size of (1 990.5±132) nm and the potential of -(5.09±0.52) mV. The coating of the lipid membrane had little effect on the activity of E.coli. Although the bacterial activity decreased after laser irradiation, the growth curve recovered to the same level as wild bacteria after 10 h of temperature gradient culture in LB medium. had well photothermal properties and can normally express protein. In vitro cytotoxicity experiments showed that under 808 nm laser irradiation presented enhanced antitumor effect on B16F10 and HepG2 cells.

Conclusion:

The successful preparation of provides a new research direction for the subsequent in-depth study of bacteria-mediated disease treatment.

photosensitive lipid membrane  /  Escherichia coli  /  ICG  /  photothermal effect
杨美洋, 王军泽, 李文化, 赵冰可, 邱立朋, 陈敬华. 光热型脂质膜包覆大肠杆菌药物递送系统的构建及体外评价. 中国新药杂志, 2023 , 32 (21) : 2210 -2217 .
Mei-yang YANG, Jun-ze WANG, Wen-hua LI, Bing-ke ZHAO, Li-peng QIU, Jing-hua CHEN. Preparation and evaluation of photothermal lipid membrane coated Escherichia coli[J]. Chinese Journal of New Drugs, 2023 , 32 (21) : 2210 -2217 .
  • 国家重点研发计划项目(2021YFC2103100)
2023年第32卷第21期
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文章信息
  • 首发时间:2026-03-05
  • 出版时间:2023-11-15
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  • 录用日期:2023-05-12
基金
国家重点研发计划项目(2021YFC2103100)
作者信息
    1江南大学生命科学与健康工程学院,无锡 214122
    2江南大学化学与材料工程学院,无锡 214122

通讯作者:

邱立朋,男,副教授,研究方向:药物新剂型、智能药物递送系统、多糖聚合物纳米载体。联系电话:(0510)85329042,E-mail:
陈敬华,男,教授,研究方向:药剂学、生物医用材料学。联系电话:(0510)85911900,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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