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    "title": "Your peptide pen is ruining your reconstitution accuracy",
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    "tldr": "Peptide reconstitution accuracy with a pen: metal vs plastic, glass cartridge tolerances, diluent and click-dial math, and common bench mistakes to avoid.",
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            "value": "Your peptide pen is ruining your reconstitution accuracy",
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            "value": "Peptide reconstitution accuracy with a pen: metal vs plastic, glass cartridge tolerances, diluent and click-dial math, and common bench mistakes to avoid.",
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            "entity": "Your peptide pen is ruining your reconstitution accuracy",
            "attribute": "section",
            "value": "What It Is",
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            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy"
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            "attribute": "section",
            "value": "Why a Metal Pen Beats Plastic for Peptide Work",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy"
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            "attribute": "section",
            "value": "Glass Cartridges: Tolerances and the Numbers That Matter",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy)",
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            "attribute": "section",
            "value": "Getting the Math Right: Diluent and Your Click-Dial",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy"
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            "value": "Common Bench Mistakes and How to Avoid Them",
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            "value": "Related reading",
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            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy"
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            "entity": "Your peptide pen is ruining your reconstitution accuracy",
            "attribute": "section",
            "value": "What the research community gets wrong about peptide reconstitution pens",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/your-peptide-pen-is-ruining-your-reconstitution-accuracy"
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            "value": "Jiang et al. 2013 - pubmed.ncbi.nlm.nih.gov",
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            "value": "Grohganz et al. 2004 - pubmed.ncbi.nlm.nih.gov",
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            "value": "Gansulin-Compatible 3 ml Glass Cartridge for Pens (10-Pack)",
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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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    "faq": [
        {
            "q": "How do I calculate the amount of diluent for my peptide vial?",
            "a": "Divide the mass of the peptide in milligrams by your desired concentration in milligrams per milliliter. The result is the volume of diluent you need to add."
        },
        {
            "q": "Why does the material of the pen matter for my research samples?",
            "a": "Metal pens are chemically inert and dimensionally stable, preventing potential contamination and maintaining volume accuracy over time compared to plastic."
        },
        {
            "q": "What is dead volume and why should I care?",
            "a": "Dead volume is the liquid left in the cartridge and needle after dispensing. A lower dead volume means less wasted diluent and more consistent concentrations between doses from the same cartridge."
        }
    ],
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