Research Guides
Practical guides covering peptide science methodology, analytical techniques, safety protocols, and foundational concepts for researchers.
Endotoxin Testing and LAL Methods for Research Peptides
A practical guide to endotoxin testing using Limulus Amebocyte Lysate (LAL) methods, including gel-clot, turbidimetric, and chromogenic assays with USP compliance standards.
MethodologyMass Spectrometry for Peptide Identification and Characterization
An in-depth guide to mass spectrometry techniques used in peptide research, covering ESI-MS, MALDI-TOF, and LC-MS for molecular weight confirmation and structural analysis.
MethodologyHPLC Methodology for Peptide Purity Analysis
A comprehensive guide to High-Performance Liquid Chromatography (HPLC) techniques for peptide purity determination, including column selection, mobile phase optimization, and result interpretation.
ScienceMitochondrial-Derived Peptides: MOTS-c, Humanin, and Cellular Energy Research
An in-depth guide to mitochondrial-derived peptides (MDPs), covering MOTS-c, Humanin, and SHLP peptides — their roles in metabolic regulation, cellular stress response, and the emerging field of mitochondrial signaling in aging and disease.
SciencePeptide Modifications: PEGylation, Lipidation, and Half-Life Extension Strategies
A scientific guide to the chemical modifications used to enhance peptide stability, extend half-life, and improve pharmacokinetics — including PEGylation, fatty acid conjugation, D-amino acid substitution, and cyclization.
ScienceThymic Peptides and Immune Modulation: Thymosin Alpha-1, Thymalin, and Thymic Regeneration
A comprehensive guide to thymic peptides and their role in immune modulation, covering Thymosin Alpha-1, Thymalin, thymic involution, T-cell maturation, and the clinical evidence for thymic peptide immunotherapy.
ScienceCollagen Peptides and the Extracellular Matrix: Matrikines, Remodeling, and Tissue Architecture
A scientific guide to collagen biology and the extracellular matrix — covering collagen types and structure, matrikine signaling, ECM remodeling by matrix metalloproteinases, and the research peptides that interact with these fundamental tissue repair pathways.
ScienceGuide to Antimicrobial Peptides: Nature's First Line of Defense
An in-depth guide to antimicrobial peptides (AMPs) including LL-37, defensins, and cathelicidins — covering their mechanisms of membrane disruption, immunomodulatory roles, and relevance to antibiotic resistance research.
ScienceNeuropeptides and Brain Function: Selank, Semax, DSIP, and Cognitive Research
A comprehensive guide to neuropeptides used in cognitive and neurological research — covering Selank, Semax, DSIP, and Dihexa, their mechanisms of action, neurotransmitter modulation, and the clinical evidence for neuropeptide-based cognitive enhancement.
MethodologyHow to Read a Certificate of Analysis (COA) for Research Peptides
A practical guide to understanding Certificates of Analysis for research peptides — covering purity results, mass spectrometry data, endotoxin testing, residual solvents, and how to verify that a COA is legitimate.
ScienceCopper Peptides and Tissue Remodeling: The Science of GHK-Cu
A comprehensive guide to copper peptides, focusing on GHK-Cu — its discovery, mechanisms of action in wound healing, collagen remodeling, anti-inflammatory signaling, and the growing body of research on copper-peptide complexes in tissue repair.
ScienceMelanocortin Peptides: PT-141, Melanotan II, and the MC Receptor System
A scientific guide to melanocortin peptides including PT-141 (Bremelanotide), Melanotan II, and their interactions with the melanocortin receptor system — covering receptor pharmacology, signaling pathways, and clinical research applications.
MethodologyPeptide Stability and Degradation Pathways: Chemical, Physical, and Environmental Factors
A scientific guide to peptide degradation — covering the chemical pathways (oxidation, deamidation, hydrolysis, racemization), physical instability (aggregation, adsorption), and the environmental factors that determine peptide shelf life in research settings.
MethodologyPeptide Solubility and Formulation: A Practical Research Guide
A practical guide to peptide solubility — covering how amino acid composition determines solubility, choosing appropriate solvents, reconstitution best practices, and troubleshooting common formulation challenges in peptide research.
SciencePeptide Structure and Amino Acids: Bonds, Folding, and the Structural Basis of Biological Activity
A scientific guide to peptide and protein structure — covering amino acid chemistry, the peptide bond, primary through quaternary structure levels, and how structural features determine the biological activity of research peptides.
ScienceUnderstanding Growth Hormone Secretagogues: GHRH Analogs, GHRPs, and Synergistic Strategies
A comprehensive guide to growth hormone secretagogues including Sermorelin, Ipamorelin, Tesamorelin, and GHRP peptides — covering their mechanisms, pharmacology, and the science behind combination protocols.
ScienceUnderstanding Peptide Bioavailability: Routes, Barriers, and Absorption Science
A scientific guide to peptide bioavailability — covering how administration route affects absorption, the barriers peptides face in reaching target tissues, and the strategies researchers use to maximize peptide delivery.
OverviewIntroduction to Peptide Science: Fundamentals for Researchers
A foundational overview of peptide science, covering what peptides are, how they differ from proteins, peptide bond chemistry, synthesis methods, and the major categories used in research.
ScienceComparing Peptide Delivery Methods: Routes of Administration in Research
A detailed comparison of peptide delivery routes including subcutaneous injection, intranasal, oral, sublingual, and topical administration, with bioavailability data and peptide-specific suitability.
MethodologyPeptide Dosing Calculations for Research: Concentrations, Conversions, and Worked Examples
A practical guide to the math behind peptide research dosing, including concentration calculations, unit conversions, reconstitution volume selection, syringe reading, and allometric scaling.
ScienceNAD+ and Cellular Aging: Sirtuins, Mitochondrial Function, and the NAD+ Decline
A scientific guide to NAD+ (nicotinamide adenine dinucleotide) and its central role in aging — covering the NAD+ decline with age, sirtuin signaling, mitochondrial function, DNA repair, and the research landscape of NAD+ precursors and related peptides.
MethodologyPeptide Reconstitution Guide: Step-by-Step Instructions for Researchers
A comprehensive guide to reconstituting lyophilized research peptides, including solvent selection, concentration calculations, proper technique, and post-reconstitution storage.
SafetyPeptide Research Ethics and Compliance: Legal Frameworks, Institutional Requirements, and Best Practices
A guide to the ethical, legal, and regulatory landscape of peptide research — covering institutional review requirements, animal research regulations, controlled substance considerations, and responsible research practices.
SafetyPeptide Safety and Handling Protocols for Research Laboratories
A comprehensive guide to safe handling of research peptides, covering PPE requirements, sterile technique, contamination prevention, sharps disposal, and emergency procedures.
MethodologyPeptide Storage and Stability: Preserving Research Reagent Integrity
An in-depth guide to proper storage conditions for research peptides, covering temperature requirements, light sensitivity, humidity effects, and signs of degradation.
ScienceUnderstanding Peptide Half-Life: Degradation, Clearance, and Extension Strategies
A scientific guide to peptide half-life, covering how it is measured, what factors influence it, and the engineering strategies used to extend the duration of action of research peptides.
ScienceUnderstanding GLP-1 Receptor Agonists: From Single to Triple Agonism
A detailed scientific overview of GLP-1 receptor agonists, the incretin system, GIP and glucagon receptor biology, and the evolution from single to dual to triple agonist peptides.
MethodologyUnderstanding Peptide Synthesis: SPPS, Fmoc Chemistry, and Manufacturing Quality
A guide to how research peptides are manufactured — covering solid-phase peptide synthesis (SPPS), Fmoc chemistry, purification methods, and what synthesis quality means for research-grade peptides.
ScienceBPC-157 Research Overview: Mechanisms, Evidence, and the Body Protection Compound
A comprehensive scientific overview of BPC-157 (Body Protection Compound-157) — covering its gastric pentadecapeptide origin, mechanisms of action in tissue repair, the growth factor modulation hypothesis, and the current state of preclinical and clinical evidence.
MethodologyUnderstanding Peptide Purity Testing: HPLC, Mass Spec, and How to Read a COA
A practical guide to the analytical methods used to verify research peptide purity, including HPLC analysis, mass spectrometry, and how to interpret a Certificate of Analysis.