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Zeneca打算经销生物技术种子
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作者 陶冶 《生物技术通报》 CAS CSCD 1993年第10期13-14,共2页
Zeneca Seeds(以前叫 ICI Seeds)的 A.Greenland 博士最近在牛津大学的讲话中强调,生物技术在种子业中起着积极的作用。Dr.Greenland 指出,杂交种子是种子业盈利的基础,因为农民必须不断地购买更多的种子。公司靠销售自然授粉的种子仅... Zeneca Seeds(以前叫 ICI Seeds)的 A.Greenland 博士最近在牛津大学的讲话中强调,生物技术在种子业中起着积极的作用。Dr.Greenland 指出,杂交种子是种子业盈利的基础,因为农民必须不断地购买更多的种子。公司靠销售自然授粉的种子仅能勉强度日,而杂交种子却能赚钱。 展开更多
关键词 自然授粉 zeneca 生物技术 子业 糖用甜菜 遗传转化 转基因番茄 杂交试验 转基因方法 转基因植物
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Link between COVID-19 vaccines and myocardial infarction
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作者 Umema Zafar Hamna Zafar +1 位作者 Mian Saad Ahmed Madiha Khattak 《World Journal of Clinical Cases》 SCIE 2022年第28期10109-10119,共11页
BACKGROUND Vaccines for coronavirus disease 2019(COVID-19) include Ch Ad Ox1-SARS-COV-2(Astra Zeneca),Ad26.COV2.S(Janssen),m RNA-1273(Moderna),BNT162b2(Pfizer),BBIBP-Cor V(Sinopharm),Corona Vac(Sinovac),and Bharat Bio... BACKGROUND Vaccines for coronavirus disease 2019(COVID-19) include Ch Ad Ox1-SARS-COV-2(Astra Zeneca),Ad26.COV2.S(Janssen),m RNA-1273(Moderna),BNT162b2(Pfizer),BBIBP-Cor V(Sinopharm),Corona Vac(Sinovac),and Bharat Biotech BBV152(Covaxin).AIM To find the association between COVID-19 vaccines and myocardial infarction(MI).METHODS This is a systematic review that involved searching databases such as MEDLINE,EMBASE,and Pak Medi Net after making a search strategy using Me SH and Emtree terms.Eligibility criteria were set,and studies having no mention of MI as a complication of COVID-19 vaccination,protocols,genetic studies,and animal studies were excluded.Data was extracted using a predesigned extraction table,and 29 studies were selected after screening and applying the eligibility criteria.RESULTS The majority of studies mentioned Astra Zeneca(18 studies) followed by Pfizer(14 studies) and Moderna(9 studies) in subjects reporting MI after vaccination.Out of all the studies,69% reported MI cases after the first COVID-19 vaccination dose and 14% after the second,44% reported ST-segment elevation MI,and 26% reported non-ST-segment elevation MI.The mortality rate was 29% after MI.CONCLUSION In conclusion,many studies linked MI to COVID-19 vaccinations,but no definitive association could be found. 展开更多
关键词 SARS-Co V-2 infection VACCINATION Myocardial infarction ASSOCIATION PFIZER Astra zeneca Moderna Sinovac Janssen Covaxin
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