أرسل هذا في رسالة قصيرة: Upconversion nanoparticles as a contrast agent for photoacoustic imaging in live mice

  ______    _____     ____       ___      _____   
 /_   _//  |  ___||  |  _ \\    / _ \\   /  ___|| 
   | ||    | ||__    | |_| ||  | / \ || | // __   
  _| ||    | ||__    | .  //   | \_/ || | \\_\ || 
 /__//     |_____||  |_|\_\\    \___//   \____//  
 `--`      `-----`   `-` --`    `---`     `---`