Fig. 2 | Scientific Reports

Fig. 2

From: Biological applications of yttrium oxide nanocomposites synthesized from Aspergillus penicillioides and their potential role in environmental remediation

Fig. 2

(a) The fungal colony initially appeared as white mycelium at the edges of the potato dextrose agar but rapidly turned black due to the production of conidia (asexual spores). (b) When stained with lactophenol cotton blue, the fungal hyphae (filaments) showed cross-walls (septa) and were transparent (hyaline). The conidial heads, which bear the conidia, were black and radiated outwards, tending to split into loose columns as they matured. The individual conidia were brown with irregular ridges, and the conidiophores (spore-bearing structures) had oval or flask-shaped vesicles. (c) The yttrium oxide nanocomposite material had a creamy white powder appearance.

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