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Biosafety materials:Ushering in a new era of infectious disease diagnosis.and treatment with the CRISPR/Cas system

Biosafety and Health 2022年第2期4卷 70-78页

作者： Yuquan Zhang Ziyue Li Julien Milon Essola Kun Ge Xuyan Dai Huining He Haihua Xiao Yuhua Weng Yuanyu Huang School of Life Science School of Medical TechnologyAdvanced Research Institute of Multidisciplinary ScienceKey Laboratory of Molecular Medicine and BiotherapyKey Laboratory of Medical Molecule Science and Pharmaceutics EngineeringBeijing Institute of TechnologyBeijing 100081China key laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental ScienceKey Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of EducationHebei UniversityBaoding 071000China Hunan Agricultural University Changsha 410128China Tianjin key laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of PharmacyTianjin Medical UniversityTianjin 300070China Beijing National laboratory for molecular Science State Key Laboratory of Polymer Physical and ChemistryInstitute of ChemistryChinese Academy of ScienceBeijing 100190China School of Materials and the Environment Beijing Institute of TechnologyZhuhai 519085China

Despite multiple virus outbreaks over the past decade,including the devastating coronavirus disease 2019(COVID-19)pandemic,the lack of accurate and timely diagnosis.and treatment technologies has wreaked havoc on global *** clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated proteins(Cas)system has the potential to address these critical needs for tackling infectious diseases to detect viral nucleic acids and inhibit viral *** review summarizes how the CRISPR/Cas system is being utilized for the treatment and diagnosis.of infectious diseases with the help of biosafety materials and highlights the design principle and in vivo and in vitro efficacy of advanced biosafety materials used to deal with virus attacks.

关键词： Biosafety materials CRISPR/Cas SARS-CoV-2 diagnosis Infectious disease

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Anti-infectious efficacy of essential oil from Caoguo(Fructus Tsaoko)

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Journal of Traditional Chinese medicine 2016年第6期36卷 799-804页

作者： Dai Min Peng Cheng Sun Fenghui School of laboratory medicine Chengdu Medical College State key laboratory of Systematic Research and Exploitation of Traditional Chinese College of Pharmaceuticals Chengdu University of Traditional Chinese Medicine

OBJECTIVE: To evaluate the anti-infectious efficacy of essential oil extracted from Caoguo(Fructus Tsaoko).METHODS: Minimum inhibitory concentrations(MICs) against clinical isolates of three extracts andthe essential oil from Caoguo(Fructus Tsaoko) were determined by the agar dilution method. The anti-infectious efficacy of the essential oil was evaluated using a mouse peritonitis model which was infected with Staphylococcus aureus or Escherichia coli. The chemical components of the essential oil were ***: The results showed that the essential oil exhibited strong antibacterial activity in vitro, with MICs ranging from 22.49 to 1438.91 μg/m L. The results of in vivo anti-infectious efficacy showed that the Caoguo(Fructus Tsaoko) essential oil can protect the mice from Staphylococcus aureus or Escherichia coli infection. The compositions of the essential oil and relative component percentages were examined. A total of 32 compounds, were identified. The major compounds of essential oil were 1,8-cineole(25.92%) and geraniol(13.69%).CONCLUSION: Our findings suggest that Caoguo(Fructus Tsaoko) essential oil has broad-spectrum antibacterial properties. It warrants further investigation as an antibacterial agent targeting some bacterium with multi-drug resistance.

关键词：抗感染作用精油疗效金黄色葡萄球菌大肠杆菌感染最小抑菌浓度体外抗菌活性化学成分

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