Figure 2 From:苏per-resolution imaging with Pontamine Fast Scarlet 4BS enables direct visualization of cellulose orientation and cell connection architecture in onion epidermis cells Confocal micrographs of the onion bulb scale epidermis co-stained with PFS and Carboxyfluorescein-Diacetate (CFDA) for 4 h show non-toxicity of PFS. (A)Bright field image.(B)CFDA fluorescence.(C)PFS fluorescence.(D)Overlay ofBandC. Scale bars 50 μm. Back to article page