Synthesis evidence

Bifunctional 3D-MOF-based nanoprobes for electrochemical sensing and nanozyme enhanced with peroxidase mimicking for colorimetric detection of acetaminophen

Nataraj N., Chen T.-W., Gan Z.-W. et al. · Materials Today Chemistry · 2022 · 100725

6 structured synthesis routes

Completeness describes how fully the route could be reconstructed from the main article and supporting information.

Partial recipeSource: Main

Route 1: Drop Cast

3 · 2.3 Fabrication of different electrodes

SolventsSample solution solvent not specified; GCE washed with DI water and ethanol
AdditivesAlumina slurry used for GCE cleaning
AtmosphereNot reported
Work-upBare GCE washed with DI water and ethanol and cleaned with alumina slurry before sample loading.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherZIF-67-C sample solutionabout 6 mL as printed in text3 · 2.3 Fabrication of different electrodes
Solventdistilled water and ethanolcopious3 · 2.3 Fabrication of different electrodes
Additivealumina slurryNot specified3 · 2.3 Fabrication of different electrodes
Partial recipeSource: Main

Route 2: Drop Cast

3 · 2.3 Fabrication of different electrodes

SolventsSample solution solvent not specified; GCE washed with DI water and ethanol
AdditivesAlumina slurry used for GCE cleaning
AtmosphereNot reported
Work-upBare GCE washed with DI water and ethanol and cleaned with alumina slurry before sample loading.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherZIF-67-A sample solutionabout 6 mL as printed in text3 · 2.3 Fabrication of different electrodes
Solventdistilled water and ethanolcopious3 · 2.3 Fabrication of different electrodes
Additivealumina slurryNot specified3 · 2.3 Fabrication of different electrodes
Partial recipeSource: Main

Route 3: Drop Cast

3 · 2.3 Fabrication of different electrodes

SolventsSample solution solvent not specified; GCE washed with DI water and ethanol
AdditivesAlumina slurry used for GCE cleaning
AtmosphereNot reported
Work-upBare GCE washed with DI water and ethanol and cleaned with alumina slurry before sample loading.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherZIF-67-H sample solutionabout 6 mL as printed in text3 · 2.3 Fabrication of different electrodes
Solventdistilled water and ethanolcopious3 · 2.3 Fabrication of different electrodes
Additivealumina slurryNot specified3 · 2.3 Fabrication of different electrodes
Complete recipeSource: Both

Route 4: Other

3 · 2.2 Synthesis procedure

Metal precursors0.1 M cobalt nitrate in 25 mL methanol
Linker precursors0.1 M 2-methylimidazole in 25 mL methanol
SolventsMethanol
AtmosphereNot reported
Temperatureroom temperature; dried at 50 C
Timesame initial procedure as ZIF-67-C, followed by 12 h ageing at room temperature
Work-upPurple product washed several times with copious methanol.
ActivationDried at 50 C in a hot-air oven; no separate activation reported.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Metal Sourcecobalt nitrate (MW-291.02, >=98% in SI)25 mL solution · 0.1 M3 · 2.2 Synthesis procedure
Linker2-methyl imidazole (2-MeIm; MW-82.10, 99% in SI)25 mL solution · 0.1 M3 · 2.2 Synthesis procedure
Solventmethanol25 mL + 25 mL3 · 2.2 Synthesis procedure
Complete recipeSource: Both

Route 5: Other

2-3 · 2.2 Synthesis procedure

Metal precursors0.1 M cobalt nitrate in 25 mL methanol
Linker precursors0.1 M 2-methylimidazole in 25 mL methanol
SolventsMethanol
AtmosphereNot reported
Temperatureroom temperature; dried at 50 C
Time0.333 h dropwise/stirring stage plus 12 h stirring
Work-upPurple product washed several times with copious methanol to remove loosely bonded by-products.
ActivationDried at 50 C in a hot-air oven; no separate activation reported.
Scalability contextAuthors describe the method as simple co-precipitation at room temperature.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Metal Sourcecobalt nitrate (MW-291.02, >=98% in SI)25 mL solution · 0.1 M2-3 · 2.2 Synthesis procedure
Linker2-methyl imidazole (2-MeIm; MW-82.10, 99% in SI)25 mL solution · 0.1 M2-3 · 2.2 Synthesis procedure
Solventmethanol25 mL + 25 mL2-3 · 2.2 Synthesis procedure
Complete recipeSource: Both

Route 6: Hydrothermal

3 · 2.2 Synthesis procedure

Metal precursors0.1 M cobalt nitrate in 25 mL methanol
Linker precursors0.1 M 2-methylimidazole in 25 mL methanol
SolventsMethanol
AtmosphereNot reported
Temperature180 C; dried at 50 C
Time20 min stirring then 12 h in autoclave
Work-upPurple product washed several times with copious methanol.
ActivationDried at 50 C in a hot-air oven; no separate activation reported.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Metal Sourcecobalt nitrate (MW-291.02, >=98% in SI)25 mL solution · 0.1 M3 · 2.2 Synthesis procedure
Linker2-methyl imidazole (2-MeIm; MW-82.10, 99% in SI)25 mL solution · 0.1 M3 · 2.2 Synthesis procedure
Solventmethanol25 mL + 25 mL3 · 2.2 Synthesis procedure