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简介: Seahorse XF 分析仪通过测定多孔板中活细胞的耗氧率 (OCR) 和细胞外酸化率 (ECAR) 审查线粒体呼吸和糖酵解等关键细胞功能。XF 分析仪可实时进行化合物添加和混合,免标记分析检测,并自动测定 OCR 和 ECAR。OCR 和 ECAR 率是线粒体呼吸和糖酵解的关键指标,这些测定可在系统水平了解培养细胞和体外样品的细胞代谢功能。有关选择适合您应用的分析仪的更多信息,请访问我们的 XF 仪器选择指南。安捷伦 Seahorse XF 分析仪以 5–8 分钟左右的间隔测量耗氧率 (OCR) 和细胞外酸化率 (ECAR)。OCR 是线粒体呼吸作用的指标,而 ECAR 主要由糖酵解产生。通过隔离微孔板中单层细胞上极少量(约 2 μL)的培养基,实时测量 OCR 和 ECAR。细胞耗氧量(呼吸)和质子分泌(糖酵解)导致“瞬态微室”中溶解氧和游离质子的浓度发生快速且易测量的变化,可由位于单层细胞上方 200 微米的固态传感器探针每隔数秒进行测量。仪器进行 2–5 分钟的浓度测量,然后分别计算 OCR 和 ECAR。测量完成后,探针抬起,使得上部更多的培养基可进入并与瞬态微室中的培养基
简介: While stem cells have the most therapeutic potential, the benefits of regenerative medicine may best be mobilised using extracellular vesicles (EVs), also known in the past as "cellular dust." A team of researchers from CNRS, AP-HP, INSERM and Paris Descartes and Paris Diderot Universities have tested these vesicles for the first time in a porcine model for the treatment of post-operative digestive fistulas. Their results, which yielded a 100% success rate and appear in the 23 October 2018 editi
简介: An international team of researchers led by Professor Michael Kühl at the Department of Biology, University of Copenhagen has just published a breakthrough in 3D bioprinting. Together with German colleagues at the Technical University of Dresden (Centre for Translational Bone, Joint and Soft Tissue Research), Professor Kühls group implemented oxygen sensitive nanoparticles into a gel material that can be used for 3D printing of complex, biofilm and tissue like structures harboring living cells a
简介: Affimed N.V., a clinical stage biopharmaceutical company focused on discovering and developing highly targeted cancer immunotherapies, today announced the official launch of its Redirected Optimized Cell Killing (ROCK™) platform. Based on the company’s long-standing expertise in drug development and protein engineering, the ROCK™ platform enables the generation of both NK cell and T cell-engaging antibodies tailored to different indications and settings.ROCK™ was introduced at the 14th Annual Pr
简介: The first human corneas have been 3D printed by scientists at Newcastle University, UK.It means the technique could be used in the future to ensure an unlimited supply of corneas.As the outermost layer of the human eye, the cornea has an important role in focusing vision.Yet there is a significant shortage of corneas available to transplant, with 10 million people worldwide requiring surgery to prevent corneal blindness as a result of diseases such as trachoma, an infectious eye disorder.In addi
简介: Major mental illnesses such as schizophrenia, severe depression and bipolar disorder share a common genetic link. Studies of specific families with a history of these types of illnesses have revealed that affected family members share a mutation in the gene DISC1. While researchers have been able to study how DISC1 mutations alter the brain during development in animal models, it has been difficult to find the right tools to study changes in humans. However, advancements in engineering human ste
简介: The heart is the first organ to develop in the womb and the first cause of concern for many parents.For expecting mothers, the excitement of pregnancy is often offset by anxiety over medication they require. Parents and doctors often have to consider the mother's health as well as the potential risk regarding how medication could affect their baby. The U.S. Food and Drug Administration requires certain drugs to be labeled with pregnancy exposure and risk. Some drugs are labeled to show that test
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