Synthesis · Superhydrophilic hydrogel-enhanced conductive MOF-based wearable sweat sensors with anti-lipid biofouling capability

8 structured synthesis routes

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

Partial recipeSource: Main

Route 1: Other

2 · 2.3.6 · Fig. 2a

Linker precursorsHydrogel precursor solution

Atmospherenot stated

Temperature4

Time2

Work-upWashed cotton cloth immersed for 6 min and refrigerated for 2 h

Scalability contextSimple dip-coating/refrigeration process on cotton cloth.

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	washed CC	not stated	2 · 2.3.6 · Fig. 2a
Other	hydrogel precursor solution	not stated	2 · 2.3.6 · Fig. 2a

Partial recipeSource: Main

Route 2: Drop Cast

3 · 2.5.1 · Fig. S1

Metal precursorsNi-HAB MOF powder

SolventsEthanol

Atmosphereambient, not explicitly stated

Work-upUltrasonic dispersion; 8 uL slurry drop-cast on working electrode

Scalability contextMask-defined wearable electrode with 6 mm working electrode and 2 mm electrode spacings.

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Ni-HAB	5 mg	3 · 2.5.1 · Fig. S1
Solvent	ethanol	1 mL	3 · 2.5.1 · Fig. S1

Partial recipeSource: Both

Route 3: Hydrothermal

2 · 2.3.6

Metal precursorsNi(NO3)2.6H2O

Linker precursorsHAB (hexaiminobenzene)

SolventsWater

AdditivesNH4OH

Atmospherenot stated

Temperature65

Time4

Work-upCollected by centrifugation, washed with water and acetone, dried in vacuum

ActivationVacuum drying; temperature/time not stated

Scalability contextBatch synthesis in 20 mL vials; no scale-up information reported.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Ni(NO3)2.6H2O	0.055 mmol	2 · 2.3.6
Linker	HAB	0.036 mmol	2 · 2.3.6
Solvent	water	2 mL added to each vial	2 · 2.3.6
Base	NH4OH	0.4 mL	2 · 2.3.6

Partial recipeSource: Main

Route 4: Other

2 · 2.3.2

Linker precursorsAcrylamide; N,N'-methylene bisacrylamide

SolventsNaOH aqueous solution (pH 11)

AdditivesAPS initiator; TMEDA; BIS crosslinker

Atmospherenot stated

Temperature4 then 50

Time1 then 0.5

Oxidant / reductantAmmonium persulfate

Work-upVacuum dried at 50 C for 30 min

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Linker	AM	2.5 g, 35.171 mmol	2 · 2.3.2
Oxidant	APS	250 mg, 1.096 mmol	2 · 2.3.2
Additive	BIS	3 mg, 0.0195 mmol	2 · 2.3.2
Solvent	NaOH solution	10 mL · pH = 11	2 · 2.3.2
Additive	TMEDA	10 uL	2 · 2.3.2

Partial recipeSource: Main

Route 5: Other

2 · 2.3.1

Linker precursorsDopamine hydrochloride

SolventsNaOH aqueous solution (pH 11)

AdditivesNaOH

Atmospherenot stated

Temperature25

Time2

Work-upnot stated

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Linker	DA hydrochloride	30 mg, 0.158 mmol	2 · 2.3.1
Base	NaOH solution	10 mL · pH = 11	2 · 2.3.1

Partial recipeSource: Main

Route 6: Other

2 · 2.3.3

Linker precursorsPDA; PAM hydrogel

Atmospherenot stated

Temperature4

Work-upMixture stored at 4 C

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Additive	PDA	20 uL	2 · 2.3.3
Other	PAM hydrogel	not stated	2 · 2.3.3

Partial recipeSource: Main

Route 7: Other

2 · 2.3.5

Linker precursorsPDA; PVA hydrogel

Atmospherenot stated

Temperature4

Work-upMixture stored at 4 C

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Additive	PDA	20 uL	2 · 2.3.5
Other	PVA hydrogel	not stated	2 · 2.3.5

Partial recipeSource: Main

Route 8: Other

2 · 2.3.4

Linker precursorsPolyvinyl alcohol

SolventsWater

AdditivesKOH; sucrose

Atmospherenot stated

Temperature50

Time0.5

Work-upVacuum dried at 50 C for 30 min

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Linker	PVA	2.5 g	2 · 2.3.4
Solvent	water	10 mL plus 12.5 mL	2 · 2.3.4
Base	KOH	2.5 g, 44.555 mmol; 1.4 g of KOH solution used	2 · 2.3.4
Additive	sucrose	260 mg, 0.76 mmol	2 · 2.3.4