Efficient Detection of Cancer Biomarkers Using Functionalized Titanium Carbide MXenes

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Researchers from the United Arab Emirates University have made a significant breakthrough in the detection of cancer biomarkers using functionalized titanium carbide MXenes. This study aimed to identify suitable materials for detecting volatile organic compounds (VOCs) related to pancreatic cancer, which is crucial for early diagnosis and effective treatment. The research team employed density functional theory (DFT) to study the adsorption of three representative pancreatic cancer biomarkers on pristine titanium carbides MXenes and doped with selected transition metals. The findings suggest that TM-doping Ti3C2O2 MXenes, particularly with TM = Co, Fe, or Ni, can be a good candidate material for fabricating a disposable biosensor with high selectivity towards the detection of pancreatic cancer biomarkers.

Key Takeaways:

  • The study aimed to detect specific volatile organic compounds (VOCs) related to pancreatic cancer using functionalized titanium carbide MXenes.
  • The research team employed density functional theory (DFT) to study the adsorption of three representative pancreatic cancer biomarkers on pristine titanium carbides MXenes and doped with selected transition metals.
  • The findings suggest that TM-doping Ti3C2O2 MXenes, particularly with TM = Co, Fe, or Ni, can be a good candidate material for fabricating a disposable biosensor with high selectivity towards the detection of pancreatic cancer biomarkers.
  • The adsorptions of VOCs on Cu-doped MXenes had a mimic effect on Fermi states, making Cu unsuitable for the candidate material.
  • The results show that the strongest adsorption of VOCs is always found to correspond to Ti3C2O2 MXenes.

Statistics:

  • The study focused on three representative pancreatic cancer biomarkers: 2-pentanone (2p-none), 4-ethyl-1-2-dimethylbenzene (4E1-2DMB), and N-nonanal (N-nonal).
  • The adsorption energies of VOCs on pristine MXenes ranged from -0.60 eV to -1.10 eV.
  • Four different scenarios of TM-doping were considered, with two cases effective in enhancing the adsorptions of VOCs.

Sources:

  • NewsRx editors, "Researchers from United Arab Emirates University Detail Findings in Cancer Biomarkers," Health & Medicine Week, 2025, p 6710
  • Narender Kumar et al., "Efficient detection of specific volatile organic compounds using functionalized titanium carbide (Ti3C2Tx) MXenes," Results in Physics, 2025, 75():108346
  • United Arab Emirates University, Department of Physics, College of Science, Al-Ain, United Arab Emirates.