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CuS-BSA-Cu3(PO4)2

Materials

ref material size size err size unit size type size comment BET b nanozyme b 10n b unit specific act sa 10n sa unit comment
7691 457 CuS-BSA-Cu3(PO4)2 121.8 34.5 nm DLS the average diameters of CuS-BSA and CuS-BSA-Cu3(PO4)2 are 134.5 ± 29.4 nm and 121.8 ± 34.5 nm
7692 457 CuS-BSA-Cu3(PO4)2 10 0.21 nm DLS TEM investigation of both CuS-BSA-Cu3(PO4)2 (Fig. 2) and CuS-BSA (Fig. S8) nanoparticles revealed that the nanomaterials consist of nanoparticles with an average diameter of 10 ± 0.21 nm and 9.68 ± 0.602 nm, respectively (the size was determined from 100 NPs using Image J software).
7988 780 CuS-BSA-Cu3(PO4)2 10 nm TEM Conjugation of Cu3(PO4)2 with CuS-BSA generates CuS-BSA-Cu3(PO4)2 nanoparticles (NPs) of 10 nm in size with high catalytic activity against a peroxidase substrate, 3,3′,5,5′-tetramethylbenzidine (TMB).
8006 796 CuS-BSA-Cu3(PO4)2 54-143 nm DLS Indeed, the surface charge of CuS-BSA changed from −26 ± 2.8 mV to −29 ± 2.6 mV upon incorporation of Cu3(PO4)2, while the diameter increased from 54 nm up to 143 nm.

Kinetics

ref material enzyme type substrate pH T km km err km 10n km unit vmax vmax err vmax 10n vmax unit kcat kcat err kcat 10n kcat unit kcat/km kcat/km 10n kcat/km unit comment
6309 457 CuS-BSA-Cu3(PO4)2 POD H2O2 2.9 -4 M 8.31 -8 M/s 457 457
6310 457 CuS-BSA-Cu3(PO4)2 POD TMB 5.5 -4 M 8.2 -8 M/s 457 457
6683 780 CuS-BSA-Cu3(PO4)2 POD TMB 4 RT 0.33 mM 1.6 -4 mM/s 780
6684 780 CuS-BSA-Cu3(PO4)2 POD H2O2 4 RT 0.29 mM 8.31 -5 mM/s 780
6697 796 CuS-BSA-Cu3(PO4)2 POD H2O2 0.29 mM 83.1 -4 mM/s 796
6698 796 CuS-BSA-Cu3(PO4)2 POD TMB 0.33 mM 1.6 -4 mM/s 796

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5377 457 CuS-BSA-Cu3(PO4)2 detection of H2O2 H2O2 Color 0–8 μM 22 nM 98.12-101.9% Typically, using a standard addition method, H2O2 at 20, 50, and 100 nM is spiked into contact lens care solution obtained from a pharmacy. The H2O2 content present in lens care solution is determined from an already established calibration plot, generated at 654 nm using different H2O2 concentrations under the same assay mentioned above. Percentage recovery is assessed using Eq. (8), and the results are summarized in Table 3 (n = 3).
5378 457 CuS-BSA-Cu3(PO4)2 detection of H2O2 H2O2 Color 0–8 μM 22 nM 98.12-101.9%
5706 780 CuS-BSA-Cu3(PO4)2 Colorimetric sensing of dopamine in beef meat Dopamine (DA) Color 0.05–100 µM 0.13 µM
5722 796 CuS-BSA-Cu3(PO4)2 Colorimetric assay for sensing dopamine (DA) Dopamine (DA) Color 0.05-100 μM 0.13 μM

References

ref title DOI material type comment
3982 796 Colorimetric sensing of dopamine in beef meat using copper sulfide encapsulated within bovine serum albumin functionalized with copper phosphate (CuS-BSA-Cu3 (PO4) 2) nanoparticles https://doi.org/10.1016/j.jcis.2020.08.057 Composite Conjugation of Cu3(PO4)2 with CuS-BSA generates CuS-BSA-Cu3(PO4)2 nanoparticles
3644 457 Ultrasmall CuS-BSA-Cu3 (PO4) 2 nanozyme for highly efficient colorimetric sensing of H2O2 and glucose in contact lens care solutions and human serum https://doi.org/10.1016/j.aca.2020.02.064 Composite organic-inorganic hybrid nanoscale materials, CuS-BSA-Cu3(PO4)2
3966 780 Colorimetric sensing of dopamine in beef meat using copper sulfide encapsulated within bovine serum albumin functionalized with copper phosphate (CuS-BSA-Cu3(PO4)2) nanoparticles https://doi.org/10.1016/j.jcis.2020.08.057 Composite copper sulfide encapsulated within bovine serum albumin functionalized with copper phosphate (CuS-BSA-Cu3(PO4)2)


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