An eco-friendly ultrasound approach to extracting yellow dye from Cassia alata flower petals: Characterization, dyeing, and antibacterial properties oleh Moorthy Muruganandham, Kanagasabapathy Sivasubramanian, Palanivel Velmurugan, Subbaiah Suresh Kumar, Natarajan Arumugam, Abdulrahman I. Almansour, Raju Suresh Kumar, Sivakumar Manickam, Cheng Heng Pang, Subpiramaniyam Sivakumar