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 __   __   __   __    _  _    _    _     _____   
 \ \\/ //  \ \\/ //  | \| || | || | ||  /  ___|| 
  \   //    \ ` //   |  ' || | || | || | // __   
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 /_//\_\\    |_||    |_|\_||  \____//   \____//  
 `-`  --`    `-`'    `-` -`    `---`     `---`

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Text this: MODIFICATION OF METAL ION CENTER FROM NATURAL CHLOROPHYLL : STUDY POTENCY AS PHOTOSENSITIZER PHOTODYNAMIC INACTIVATION