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Live Cell Isolation by Laser Microdissection
Laser microdissection is a tool for the isolation of homogenous cell populations from their native niches in tissues to downstream molecular assays. Beside its routine use for fixed tissue sections,…
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哺乳动物细胞培养的介绍
哺乳动物细胞培养是生命科学的基本支柱之一。如果不具备在实验室中培养细胞的能力,那么细胞生物学、免疫学、肿瘤研究等学科很难实现快速发展。本文概述了哺乳动物细胞培养系统,可以根据其形态、细胞类型和组织对其进行分类。此外,还介绍了适宜的细胞生长条件以及需要使用何种显微镜来观察细胞。
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Chronic Inflammation Under the Microscope
In the course of chronic inflammation certain body areas are recurrently inflamed. This goes along with many human diseases. With the help of widefield light microscopy, the underlying processes can…
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Universal PAINT – Dynamic Super-Resolution Microscopy
Super-resolution microscopy techniques have revolutionized biology for the last ten years. With their help cellular components can now be visualized at the size of a protein. Nevertheless, imaging…
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Nobel Prize 2013 in Physiology or Medicine for Discoveries of the Machinery Regulating Vesicle Traffic
On October 7th 2013, The Nobel Assembly at Karolinska Institutet has decided to award The Nobel Prize in Physiology or Medicine 2012 jointly to James E. Rothman, Randy W. Schekman and Thomas C. Südhof…
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Controlling the TIRF Penetration Depth is Mandatory for Reproducible Results
The main feature of total internal reflection fluorescence (TIRF) microscopy is the employment of an evanescent wave for the excitation of fluorophores instead of using direct light. A property of the…
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Ratiometric Imaging
Many fundamental functions of a cell strongly depend on delicate, but nevertheless dynamic balances of ions (e.g. calcium, magnesium), voltage potentials and pH between the cell’s cytosol and the…
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Optical Contrast Methods
Optical contrast methods give the potential to easily examine living and colorless specimens. Different microscopic techniques aim to change phase shifts caused by the interaction of light with the…