Source comparison
MK-677 Syringes Needles Supplies: Equipment Comparison
Dead Space Volume 0.02–0.05mL <0.01mL 0.10–0.15mL Silicone Coating Yes (plunger lubricant) No (peptide-compatible) Variable Needle Compatibility Fixed 29–31 gauge Fixed or detachable 29–31 gauge Detachable, any gauge Peptide Waste per Vial (20 doses) 0.4–1.0mg
This comparison does not assign a generated winner or score.
- Dead Space Volume
- 0.02–0.05mL
- <0.01mL
- 0.10–0.15mL
- Silicone Coating
- Yes (plunger lubricant)
- No (peptide-compatible)
- Variable
- Needle Compatibility
- Fixed 29–31 gauge
- Fixed or detachable 29–31 gauge
- Detachable, any gauge
- Peptide Waste per Vial (20 doses)
- 0.4–1.0mg
- 0.1–0.2mg
- 2.0–3.0mg
- Professional Assessment
- Acceptable for single-dose protocols; waste compounds in multi-dose use. Silicone may reduce long-term peptide stability.
- Optimal for research-grade reconstitution. Minimal waste, no silicone contact, precise measurement. Industry standard.
- High waste, risk of needle detachment mid-draw. Not recommended for peptide protocols.