close-up of a cell with a glowing nucleus, surrounded by other cells, on a dark background

cell nucleus microscopy close glow surround dark background biology cytoplasm technique microscopic vivid natural photonic observation color intricate organism dynamic environment experiment study detail cluster bioluminescence illumination concept genetic biophysic biotechnology micrograph vibrant cellular architecture investigation visualization display microenvironment specimen organelle domain fluorescent aesthetic imagery scientific activity closeup glowing surrounded cells generative