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肠道微生态产业发展现状分析
肠道微生态产业发展现状分析
2019 - 09 - 05
2016年《消失的微生物》一书问世，肠道微生态研究走入大众视野，目前全球范围内针对微生物与肥胖、哮喘、过敏、糖尿病、肿瘤、精神类疾病的研究正逐步开展。一、肠道微生物概况人体是由自身细胞及共生的大量微生物细胞所共同组成的复杂共生生命体。目前研究认为人体肠道内聚集的微生物数目可达1012~1014个，是人体自身细胞数目的10倍，微生物包含的基因数目超过987万个，人类自身基因数只有2万个左右，是人体自身基因数目的几百倍，这些后天获得的共生菌群及其所携带的遗传及分子信息即可称为微生物组。（一）人体肠道微生物是如何建立的？有研究表明，人体在出生成长过程中，主要在两个重要的环节、以两种不同的方式实现对肠道菌群的塑造。第一个环节是在分娩过程，婴儿会从母亲产道获得健康的肠道菌群，剖腹产和孕期抗生素则会改变正常婴儿菌群的建立。另一个环节则是出生后的哺乳及断奶后的膳食干预。在女性乳腺中存在着乳酸菌等系列微生物，这些微生物在哺乳过程中进入并定植于婴儿肠道。随着哺乳期的结束，日趋丰富的膳食外源营养物质则长期调节着人体肠道微生物中的的变化。（二）肠道微生物对人体健康有何影响？肠道菌群与人体互利共生，依靠人体没有消化的食物残渣和肠道分泌的黏液和脱落的死细胞作为营养来维持很高的种群水平。活跃生长的肠道菌群会产生大量的活性物质，同时包括短链脂肪酸、维生素和抗氧化等有益健康的产物，以及神经毒素、致癌物质和免疫毒素...
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新冠疫情：1.7亿例！欧盟扩大辉瑞/BioNTech mRNA疫苗Comirnaty授权：用于12-15岁青少年人群!
新冠疫情：1.7亿例！欧盟扩大辉瑞/BioNTech mRNA疫苗Comirnaty授权：用于12-15岁青少年人群!
2021 - 05 - 31
2021年05月30日讯 /生物谷BIOON/ --目前，国外新冠肺炎疫情仍在迅速蔓延。根据百度《新型冠状病毒肺炎疫情实时大数据报告》，截止2021年05月30日19时，全球累计确诊超过1.7亿（1.7068亿）例，死亡超过354.9万例。近日，辉瑞（Pfizer）与合作伙伴BioNTech联合宣布，其COVID-19 mRNA疫苗Comirnaty（BNT162b2）在欧盟的有条件营销授权（CMA）已扩大至纳入12-15岁的青少年。在此之前，欧洲药品管理局（EMA）人用医药产品委员会（CHMP）发布积极审查意见，推荐批准Comirnaty用于这一年龄组人群。此次Comirnaty CMA适应症扩展，在欧盟所有27个成员国均有效。Comirnaty是第一个在欧盟获得授权的COVID-19疫苗，也是第一个将其CMA扩展到青少年的疫苗。Comirnaty在欧盟成员国的分发和接种，将继续根据欧盟确定的人口和各个国家的指南来实施。在美国方面，今年5月10日，FDA批准扩大Comirnaty的紧急使用授权（EUA），纳入12-15岁青少年群体。值得一提的是，Comirnaty是在美国被批准用于这一年龄组的首个COVID-19疫苗。此前，FDA已授予Comirnaty用于≥16岁人群进行主动免疫的EUA。BioNTech首席执行官兼联合创始人Ugur Sahin医学博士表示：“今天，我们在欧盟...
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酸奶对机体健康有什么好处？
酸奶对机体健康有什么好处？
2018 - 07 - 13
对于酸奶我们并不陌生，超市冷藏柜中形形色色的酸奶有时候常常让我们眼花缭乱，酸奶作为人们日常饮食中不可缺少的食物，其对机体健康都有什么好处呢？看看下面这些研究吧！【1】希腊酸奶vs原味酸奶vs低脂酸奶 你如何选择一种最健康的酸奶？新闻阅读：Plain， Greek， low-fat？ How to choose a healthy yoghurt酸奶是世界上最古老的发酵乳制品之一，其发源可以追溯到人类文明的开始，当人类开始驯养动物生产牛奶时，对于牛奶的保质期，人类就需要想出一些解决方案了。yoghurt（酸奶）一词来自土耳其，也就是说，在酸奶的生产过程中，牛奶会发生凝结或增稠的过程。与牛奶一样，酸奶也富含钙质和蛋白质，而且其还能为机体提供其它营养成分，比如碘、维生素D、B2、B12和锌等。但酸奶的营养要高于牛奶，主要的原因是发酵的过程会让其更易于被机体所消化，因此营养物质就可以很轻松地被机体所吸收。然而酸奶也有很多类型，比如希腊酸奶和液态酸奶，以及一些添加水果和益生菌的酸奶，那么你知道哪种酸奶最健康吗？通过向鲜奶中引入一些特定的细菌就能制作酸奶了，比如嗜热链球菌、德氏乳杆菌和保加利亚乳杆菌等。通常情况下这些细菌都会在酸奶中出现并且形成酸奶发酵液，它们的协同关系是最终产品一致性的关键因素，同时这也能够带来一些健康益处，比如降低机体腹泻的严重程度和持续时间等。【2】J Nutr and ...
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EVOS™ Vessel Holder, universal
产品名称： EVOS™ Vessel Holder, universal
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder has a 25.4 mm opening and accommodates most vessel types. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samp...
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EVOS™ Vessel Holder, Greiner T-75 flask
产品名称： EVOS™ Vessel Holder, Greiner T-75 flask
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates one Greiner T-75 flask. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ves...
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EVOS™ Vessel Holder, Hemocytometer
产品名称： EVOS™ Vessel Holder, Hemocytometer
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates a hemocytometer. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vessel hol...
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EVOS™ Vessel Holder, Nunc™ T-75 flask
产品名称： EVOS™ Vessel Holder, Nunc™ T-75 flask
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates one Nunc® T-75 flask. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ...
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EVOS™ Vessel Holder, two 25-cm T-flasks
产品名称： EVOS™ Vessel Holder, two 25-cm T-flasks
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates two 25 cm T-flasks. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vessel ...
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EVOS™ Vessel Holder, one 100-mm Petri dish
产品名称： EVOS™ Vessel Holder, one 100-mm Petri dish
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates one 100 mm Petri dish. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vess...
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EVOS™ Vessel Holder, two 60-mm Petri dishes
产品名称： EVOS™ Vessel Holder, two 60-mm Petri dishes
型号：
时间： 2019 - 04 - 15
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates two 60 mm Petri dishes. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ves...
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EVOS™ Vessel Holder, four 35-mm Petri dishes
产品名称： EVOS™ Vessel Holder, four 35-mm Petri dishes
型号：
时间： 2019 - 04 - 12
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates four 35 mm Petri dishes. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ve...
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EVOS™ Vessel Holder, two 25 x 75 mm slides
产品名称： EVOS™ Vessel Holder, two 25 x 75 mm slides
型号：
时间： 2019 - 04 - 12
描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates two 25 x 75 mm slides. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vess...
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EVOS™ 4X Objective, fluorite, LWD, phase-contrast
产品名称： EVOS™ 4X Objective, fluorite, LWD, phase-contrast
型号：
时间： 2019 - 04 - 12
描述This fluorite objective is ideal for fluorescence and demanding transmitted-light applications. This is a long working distance (LWD) objective that is optimized for the imaging of slides, cell culture dishes and flasks, and microtiter plates. This is also a phase-contrast objective, making it useful for hard-to-see, translucent speciments. All EVOS® objectives offer outstanding optical performance from visible light to near infrared light. The extensive choice of objectives satisfies nee...
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EVOS™ Light Cube, Cy™5
产品名称： EVOS™ Light Cube, Cy™5
型号：
时间： 2019 - 04 - 12
描述All EVOS® fluorescence imaging systems and the Countess® II FL Automated Cell Counter contain our unique, proprietary LED light cubes. This world-leading light engine outputs remarkable intensity over a short light path that delivers superior fluorophore excitation. Each cube contains an LED, condensing optics, and hard-coated filters. EVOS® light cubes are user-changeable and automatically recognized by the system. The Cy®5 light cube is ideal for use with Alexa Fluor&...
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EVOS™ Light Cube, RFP
产品名称： EVOS™ Light Cube, RFP
型号：
时间： 2019 - 04 - 12
描述All EVOS® fluorescence imaging systems and the Countess® II FL Automated Cell Counter contain our unique, proprietary LED light cubes. This world-leading light engine outputs remarkable intensity over a short light path that delivers superior fluorophore excitation. Each cube contains an LED, condensing optics, and hard-coated filters. EVOS® light cubes are user-changeable and automatically recognized by the system. The RFP light cube is ideal for use with Alexa Fluor® ...
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