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    "title": "The peptide pen spec everyone ignores until it costs you",
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            "value": "A reusable peptide pen holds a glass cartridge and meters small, repeatable volumes. Its mechanical plunger drives the stopper without contacting the liquid.",
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            "value": "What a peptide pen actually is",
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            "value": "The numbers that actually matter",
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            "value": "Where cartridge fit quietly breaks accuracy",
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            "value": "The mistakes that actually waste peptide at the bench",
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            "value": "What the research community gets wrong about peptide pens",
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            "value": "Bohannon, Postgrad Med 1999: Insulin delivery using pen devices. Simple-to-use tools may help young and old alike - pubmed.ncbi.nlm.nih.gov",
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            "value": "Jonker et al., Int J Clin Pharmacol Ther 2021: First pre-filled pen device with highly purified human menopausal gonadotropin (HP-hMG, Menopur) in liquid is shown to be bioequivalent to powder for reconstitution - pmc.ncbi.nlm.nih.gov",
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            "value": "Lingen et al., Endocr Connect 2023: Advantages and disadvantages of connected insulin pens in diabetes management - pmc.ncbi.nlm.nih.gov",
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            "value": "Sparre et al., J Diabetes Sci Technol 2022: Development of an Insulin Pen is a Patient-Centric Multidisciplinary Undertaking: A Commentary - pmc.ncbi.nlm.nih.gov",
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            "q": "What dial increment should a peptide pen have?",
            "a": "Look for the finest increment the manufacturer states, since a coarser dial forces rounding that compounds across repeated draws from the same cartridge."
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            "q": "Are metal or plastic peptide pens more accurate?",
            "a": "Metal pens hold spring tension and dial thread precision longer with repeated use; plastic pens are workable for short-term or occasional use but tend to lose click consistency faster."
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            "q": "Why does my cartridge run out faster than my math says it should?",
            "a": "Dead volume isn't dialed out, so it's rarely included in reconstitution math even though it reduces usable liquid."
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