2021-08-26 06:24 Because most viruses are small (< 200 nm), standard optical microscopes are generally not suitable for direct observation of them. The use of electron microscopy (EM) to visualize the ultrastructure of viruses has become the gold standard for vira ... дальше
2021-08-26 06:24 Scanning electron microscopy (SEM) is characterized by simple sample preparation, wide adjustable magnification range, high image resolution, and large depth of field. SEM technology can scan the surface morphology of the sample by emitting a bright ... дальше
2021-03-25 19:59 Optical microscopies have been extensively used in microbiology, biotechnology, pharmaceutical research, and food testing. The advanced microscopy techniques nowadays allow observations of organelles or biomolecules in living cells, which greatly fac ... дальше
2021-03-25 19:58 Electron microscopy is a widely used technique for obtaining high resolution images of the structures of tissues, cells, organelles and macromolecular complexes
