Spectroscopy — Piezoelectric-mediated two-dimensional copper-based metal–organic framework for synergistic sonodynamic and cuproptosis-driven tumor therapy

Measurement evidence

Spectroscopy

Piezoelectric-mediated two-dimensional copper-based metal–organic framework for synergistic sonodynamic and cuproptosis-driven tumor therapy · Zhong X., Li X., Gu L. et al. · Journal of Colloid and Interface Science · 2025 · 354-363

2 measurement groups · 7 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

X-ray photoelectron spectroscopy (XPS)

X-ray photoelectron spectroscopy

CM nanosheets · Nanosheet

XPS survey and high-resolution Cu 2p, N 1s, O and C spectra used to confirm composition and Cu-N bonding.

Context: PVP-coated Cu-2MI composite
Measurement source: p003-p004 · 2.1 Synthesis and characterization · Fig. 1h-i; Fig. S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CM C 1s dominant envelope peak	about 284.8 eV	—	visual estimate from high-resolution spectrum	Figure Axis Approximate	S12 · Supplementary figures · Fig. S6b
CM Cu 2p characteristic peak	933.81 eV	—	—	Text Exact Reported	p003 · 2.1 Synthesis and characterization · Fig. 1h
CM N 1s Cu-N bonding peak	402.87 eV	—	—	Text Exact Reported	p003 · 2.1 Synthesis and characterization · Fig. 1i
CM O 1s dominant envelope peak	about 532 eV	—	visual estimate from high-resolution spectrum	Figure Axis Approximate	S12 · Supplementary figures · Fig. S6c

FT-IR spectroscopy

Infrared spectroscopy

Cu-2MI nanosheets · Nanosheet

FT-IR spectra compared 2-MI ligand and Cu-2MI to assess coordination/deprotonation.

Context: pristine Cu-2MI framework
Measurement source: p002-p004 · 2.1 Synthesis and characterization · Fig. 1d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
2-MI N-H stretching vibration peak	1840 cm^-1	—	—	Text Exact Reported	p002 · 2.1 Synthesis and characterization · Fig. 1d
Cu-2MI Cu-N stretching band	426 cm^-1	—	—	Text Exact Reported	p002-p003 · 2.1 Synthesis and characterization · Fig. 1d
2-MI hydrogen-bonding peak maximum	maximum intensity at approximately 2647 cm^-1	—	—	Text Approximate	p002 · 2.1 Synthesis and characterization · Fig. 1d