Other — Superhydrophilic hydrogel-enhanced conductive MOF-based wearable sweat sensors with anti-lipid biofouling capability

5 measurement groups · 18 results

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

Hacat cell viability and live/dead staining

PDA-PAM hydrogel · Thin Film

Hacat cells treated with PDA-PAM hydrogel at 50 ug/mL for 48 h; live/dead staining with PI and FDA.

Atmosphere: cell culture
Geometry: 96-well plate / cell culture assay
Context: PDA-PAM hydrogel component before/for patch integration
Measurement source: 3 · 2.7 · Fig. 5b-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cell survival rate for PDA-PAM hydrogel patch group	96.7 %	—	—	Text Exact Reported	8 · 3.4 · Fig. 5b-c

Water contact angle and underwater oil contact angle

Contact angle and wettability

PDA-PAM-CC hydrogel patch · Thin Film

Contact angles measured for PVA-CC, PDA-PVA-CC, PAM-CC, and PDA-PAM-CC; DCM selected as representative oil for underwater-oil contact angle.

Atmosphere: water and underwater-oil environments
Geometry: Hydrogel-coated cotton cloth patches
Context: hydrogel-CC comparison samples
Measurement source: 4 · 3.2 · Fig. 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Water contact angle for PVA-CC, PDA-PVA-CC, PAM-CC, PDA-PAM-CC	0 deg for all four hydrogel composites	—	—	Text Exact Reported	4 · 3.2 · Fig. 3a
Underwater-oil contact angle, PAM-CC	142.8 deg	—	—	Text Exact Reported	4 · 3.2 · Fig. 3a
Underwater-oil contact angle, PDA-PAM-CCMarked as a best value within this paper	152.5 deg	—	—	Text Exact Reported	4 · 3.2 · Fig. 3a
Underwater-oil contact angle, PDA-PVA-CC	141.2 deg	—	—	Text Exact Reported	4 · 3.2 · Fig. 3a
Underwater-oil contact angle, PVA-CC	128 deg	—	—	Text Exact Reported	4 · 3.2 · Fig. 3a
Oil droplet rolling angle on PDA-PAM-CCMarked as a best value within this paper	4.3 deg	—	—	Text Exact Reported	4 · 3.2 · Fig. S2

Constant-volume dye-stained lipid diffusion test

PDA-PAM-CC hydrogel patch · Thin Film

Fixed volume dye-stained lipid dropped on gel patch; diffusion area divided by diffusion time.

Geometry: Hydrogel-coated cotton cloth patch surface
Context: hydrogel-CC comparison samples
Measurement source: 6 · 3.2 · Fig. 3c-d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Estimated lipid diffusivity, PAM-CC	approximately 0.10 cm2 s-1 from Fig. 3d axis	—	visual estimate, about +/-0.02	Figure Axis Approximate	6 · 3.2 · Fig. 3d
Estimated lipid diffusivity, PDA-PAM-CCMarked as a best value within this paper	approximately 0.02 cm2 s-1 from Fig. 3d axis	—	visual estimate, about +/-0.02	Figure Axis Approximate	6 · 3.2 · Fig. 3d
Estimated lipid diffusivity, PDA-PVA-CC	approximately 0.25 cm2 s-1 from Fig. 3d axis	—	visual estimate, about +/-0.03	Figure Axis Approximate	6 · 3.2 · Fig. 3d
Estimated lipid diffusivity, PVA-CC	approximately 0.40 cm2 s-1 from Fig. 3d axis	—	visual estimate, about +/-0.03	Figure Axis Approximate	6 · 3.2 · Fig. 3d

Tensile stress-strain and cyclic tensile testing

PDA-PAM hydrogel · Thin Film

PDA-PAM hydrogel tensile testing at 20 mm/min; cyclic tensile testing for 10 cycles at 100% strain.

Geometry: PDA-PAM hydrogel strip/sample
Context: PDA-PAM hydrogel layer before cotton-cloth integration
Measurement source: 4 · 3.2 · Figs. S5-S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cyclic tensile test cycles	10 consecutive stretching cycles at 100% strain	—	—	Text Exact Reported	4 · 3.2 · Fig. S7
PDA-PAM hydrogel elongation at break	>500 %	—	—	Text Approximate	4 · 3.2 · Fig. S6
PDA-PAM hydrogel tensile strength	46.5 kPa	—	—	Text Exact Reported	4 · 3.2 · Fig. S6

Lipid-water separation

PDA-PAM-CC hydrogel patch · Thin Film

Sebum/water mixture poured through hydrogel-CC filter membrane under gravity; SI describes 1:5 lipid-water mixture and mass-based efficiency calculation.

Geometry: Hydrogel/CC patch fixed in customised acrylic mould for SI separation test.
Context: hydrogel-CC comparison samples
Measurement source: 4 · Supporting Information · Fig. S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Lipid-water separation efficiency, PAM-CC	98.7 %	—	—	Text Exact Reported	4 · 3.2 · Fig. 3b
Lipid-water separation efficiency, PDA-PAM-CCMarked as a best value within this paper	99.2 %	—	—	Text Exact Reported	4 · 3.2 · Fig. 3b
Lipid-water separation efficiency, PDA-PVA-CC	95.4 %	—	—	Text Exact Reported	4 · 3.2 · Fig. 3b
Lipid-water separation efficiency, PVA-CC	94.8 %	—	—	Text Exact Reported	4 · 3.2 · Fig. 3b