Articles by Dr. Marcus Chen
Peptide Degradation Pathways: Understanding How Peptides Break Down
A comprehensive examination of the four primary degradation pathways that compromise peptide integrity — oxidation, hydrolysis, aggregation, and dea...
February 18, 2026Thymosin Alpha-1: Research Profile, Applications, and Quality Markers
A detailed compound profile of Thymosin Alpha-1 (Ta1), covering its structure, mechanism of action, key research findings, and the quality markers res...
February 18, 2026Understanding Mass Spectrometry Reports for Peptide Verification
A researcher's guide to reading and interpreting mass spectrometry data on peptide certificates of analysis, including understanding charge states, ad...
February 18, 2026HPLC Testing Explained: What Peptide Purity Numbers Actually Mean
A clear explanation of how HPLC purity testing works for peptides, what the purity percentage on a certificate of analysis actually represents, and ho...
February 18, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Peptide Stability: Shelf Life Before and After Reconstitution Peptide stability is a critical factor in ensuring the reliability and reproducibility ...
February 5, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters Peptides are increasingly vital tools in biomedical research, drug discovery, and materials science....
February 5, 2026Peptide Reconstitution: Bacteriostatic Water vs Sterile Water
Peptide Reconstitution: Bacteriostatic Water vs. Sterile Water – A Comprehensive Guide for Researchers Reconstituting peptides correctly is a criti...
February 5, 2026Domestic vs International Peptide Suppliers: Pros and Cons
Domestic vs. International Peptide Suppliers: A Comprehensive Guide for Researchers The sourcing of high-quality peptides is paramount for reliable a...
February 5, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Peptide Stability: Shelf Life Before and After Reconstitution Peptide stability is a crucial factor in research, directly impacting the reliability a...
February 5, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters In the realm of peptide research, the reliability and reproducibility of experimental results hinge ...
February 5, 2026BPC-157: Complete Research Profile and Sourcing Considerations
BPC-157: Complete Research Profile and Sourcing Considerations BPC-157, or Body Protection Compound-157, is a synthetic peptide sequence consisting o...
February 5, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Peptide Stability: Shelf Life Before and After Reconstitution Peptide stability is a critical consideration for researchers utilizing peptides in the...
February 4, 2026How to Evaluate Peptide Supplier Quality: A Researcher's Guide
How to Evaluate Peptide Supplier Quality: A Researcher's Guide Peptides are indispensable tools in a wide array of research fields, from drug discove...
February 4, 2026Peptide Synthesis Methods: How Research Peptides Are Made
Peptide Synthesis Methods: How Research Peptides Are Made Research peptides are indispensable tools in fields ranging from drug discovery to material...
February 4, 2026Ipamorelin: Research Profile and Purity Standards
Ipamorelin: Research Profile and Purity Standards Ipamorelin is a pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH2) and a growth hormone secretagogue (GHS...
February 4, 2026Understanding Certificates of Analysis (COA) for Research Peptides
Understanding Certificates of Analysis (COA) for Research Peptides A Certificate of Analysis (COA) is an essential document that accompanies every re...
February 4, 2026Peptide Storage: Temperature, Light, and Moisture Guidelines
Peptide Storage: Temperature, Light, and Moisture Guidelines Peptides, versatile biomolecules with applications ranging from drug discovery to materi...
February 4, 2026Understanding Peptide Sequences and Nomenclature
Understanding Peptide Sequences and Nomenclature: A Guide for Researchers Peptides are short chains of amino acids linked by peptide bonds, playing c...
February 4, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters In the realm of scientific research, the integrity of experimental results hinges on the quality of ...
February 4, 2026Ipamorelin: Research Profile and Purity Standards
Ipamorelin: Research Profile and Purity Standards Ipamorelin is a pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH2) with the amino acid sequence Aib-His-D...
February 4, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Peptide Stability: Shelf Life Before and After Reconstitution Peptide stability is a critical consideration for researchers utilizing these versatile...
February 4, 2026Peptide Reconstitution: Bacteriostatic Water vs Sterile Water
Peptide Reconstitution: Bacteriostatic Water vs. Sterile Water - A Comprehensive Guide for Researchers Reconstituting peptides is a critical step in ...
February 4, 2026Understanding Peptide Sequences and Nomenclature
Understanding Peptide Sequences and Nomenclature for Research Peptides, short chains of amino acids linked by peptide bonds, are increasingly vital t...
February 4, 2026Domestic vs International Peptide Suppliers: Pros and Cons
Domestic vs. International Peptide Suppliers: A Researcher's Guide to Quality and Sourcing The selection of a reliable peptide supplier is paramount ...
February 4, 2026PT-141 (Bremelanotide): Research Applications and Quality Assessment
PT-141 (Bremelanotide): Research Applications and Quality Assessment Bremelanotide, also known as PT-141, is a synthetic melanocortin receptor agonis...
February 4, 2026CJC-1295: With and Without DAC - Research Comparison
CJC-1295: With and Without DAC - Research Comparison CJC-1295 is a synthetic peptide analogue of Growth Hormone Releasing Hormone (GHRH), primarily u...
February 4, 2026Mass Spectrometry Verification: Confirming Peptide Identity
Mass Spectrometry Verification: Confirming Peptide Identity Mass spectrometry (MS) is an indispensable tool for confirming the identity and purity of...
February 4, 2026Peptide Reconstitution: Bacteriostatic Water vs Sterile Water
Peptide Reconstitution: Bacteriostatic Water vs. Sterile Water - A Researcher's Guide Peptide reconstitution is a critical step in peptide research, ...
February 3, 2026TB-500 (Thymosin Beta-4): Research Overview and Quality Markers
TB-500 (Thymosin Beta-4): Research Overview and Quality Markers TB-500, a synthetic version of the naturally occurring peptide Thymosin Beta-4 (TB4),...
February 3, 2026BPC-157: Complete Research Profile and Sourcing Considerations
BPC-157: Complete Research Profile and Sourcing Considerations BPC-157, short for Body Protection Compound-157, is a pentadecapeptide comprised of 15...
February 3, 2026How to Evaluate Peptide Supplier Quality: A Researcher's Guide
How to Evaluate Peptide Supplier Quality: A Researcher's Guide Peptides are indispensable tools in a wide array of research fields, from drug discove...
February 3, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters In the realm of scientific research, peptides have emerged as powerful tools with diverse applicatio...
February 3, 2026Ipamorelin: Research Profile and Purity Standards
Ipamorelin: Research Profile and Purity Standards Ipamorelin is a pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH2) belonging to the growth hormone secret...
February 3, 2026Peptide Synthesis Methods: How Research Peptides Are Made
Peptide Synthesis Methods: How Research Peptides Are Made Research peptides are indispensable tools in biochemistry, molecular biology, and drug disc...
February 3, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters In the realm of scientific research, peptides are increasingly vital tools, spanning diverse applica...
February 3, 2026BPC-157: Complete Research Profile and Sourcing Considerations
BPC-157: Complete Research Profile and Sourcing Considerations BPC-157, short for Body Protection Compound-157, is a synthetic peptide sequence compr...
February 3, 2026Mass Spectrometry Verification: Confirming Peptide Identity
Mass Spectrometry Verification: Confirming Peptide Identity Mass spectrometry (MS) is an indispensable tool for confirming the identity and purity of...
February 3, 2026Peptide Synthesis Methods: How Research Peptides Are Made
Peptide Synthesis Methods: How Research Peptides Are Made Peptides, short chains of amino acids linked by peptide bonds, are essential tools in biolo...
February 2, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters In the realm of scientific research, particularly in fields like drug discovery, proteomics, and mat...
February 2, 2026CJC-1295: With and Without DAC - Research Comparison
CJC-1295: With and Without DAC - Research Comparison CJC-1295 is a synthetic peptide analogue of growth hormone-releasing hormone (GHRH), primarily u...
February 2, 2026Red Flags When Sourcing Research Peptides Online
Red Flags When Sourcing Research Peptides Online The online marketplace for research peptides offers unparalleled access to a vast library of compoun...
February 2, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Peptide Stability: Shelf Life Before and After Reconstitution Peptide stability is a critical factor influencing the reliability and reproducibility ...
February 2, 2026How to Evaluate Peptide Supplier Quality: A Researcher's Guide
How to Evaluate Peptide Supplier Quality: A Researcher's Guide The integrity of your research hinges on the quality of the peptides you use. A compro...
February 2, 2026Lyophilization: Why Peptides Come as Powder
Lyophilization: Why Peptides Come as Powder If you've ever ordered a synthetic peptide, you've almost certainly received it as a white, fluffy powder...
February 2, 2026Domestic vs International Peptide Suppliers: Pros and Cons
Domestic vs. International Peptide Suppliers: A Comprehensive Guide for Researchers Sourcing high-quality peptides is crucial for reliable research o...
February 2, 2026BPC-157: Complete Research Profile and Sourcing Considerations
BPC-157: Complete Research Profile and Sourcing Considerations BPC-157, short for Body Protection Compound-157, is a pentadecapeptide composed of 15 ...
February 2, 2026Red Flags When Sourcing Research Peptides Online
Red Flags When Sourcing Research Peptides Online The online peptide market offers researchers a vast array of options for acquiring peptides for thei...
February 2, 2026HPLC Purity Testing Explained: What Researchers Need to Know
HPLC Purity Testing Explained: What Researchers Need to Know High-performance liquid chromatography (HPLC) is the gold standard for determining the p...
February 2, 2026Understanding Certificates of Analysis (COA) for Research Peptides
Understanding Certificates of Analysis (COA) for Research Peptides A Certificate of Analysis (COA) is an essential document that accompanies every re...
February 2, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Peptide Stability: Shelf Life Before and After Reconstitution Peptides are invaluable tools in biological research, drug discovery, and materials sci...
February 2, 2026Peptide Reconstitution: Bacteriostatic Water vs Sterile Water
Peptide Reconstitution: Bacteriostatic Water vs. Sterile Water Reconstituting peptides is a crucial step in any experiment involving these versatile ...
February 2, 2026Domestic vs International Peptide Suppliers: Pros and Cons
Domestic vs. International Peptide Suppliers: A Researcher's Guide to Quality and Sourcing The selection of a peptide supplier is a critical decision...
February 2, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters The integrity of research hinges on the quality of its materials. When working with peptides, ensuri...
February 2, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Peptide Stability: Shelf Life Before and After Reconstitution Peptides, invaluable tools in biological research and drug discovery, are inherently su...
February 1, 2026Peptide Purity Levels: What 95%, 98%, and 99% Actually Mean
Peptide Purity Levels: What 95%, 98%, and 99% Actually Mean Peptide synthesis has become an indispensable tool in biological research, drug discovery...
February 1, 2026HPLC Purity Testing Explained: What Researchers Need to Know
HPLC Purity Testing Explained: What Researchers Need to Know High-performance liquid chromatography (HPLC) is the gold standard for assessing the pur...
February 1, 2026Peptide Synthesis Methods: How Research Peptides Are Made
Peptide Synthesis Methods: How Research Peptides Are Made Peptides, short chains of amino acids linked by peptide bonds, are essential tools in biolo...
February 1, 2026Domestic vs International Peptide Suppliers: Pros and Cons
Domestic vs. International Peptide Suppliers: A Researcher's Guide to Quality and Sourcing The sourcing of high-quality peptides is crucial for relia...
February 1, 2026Lyophilization: Why Peptides Come as Powder
Lyophilization: Why Peptides Come as Powder Peptides, those short chains of amino acids crucial for a vast range of biological research, rarely arriv...
February 1, 2026Understanding Peptide Sequences and Nomenclature
Understanding Peptide Sequences and Nomenclature Peptides are short chains of amino acids linked together by peptide bonds. They are fundamental buil...
February 1, 2026How to Read and Verify a Peptide COA
Understanding and Verifying Peptide Certificates of Analysis (COAs) A Certificate of Analysis (COA) is a crucial document accompanying every peptide ...
February 1, 2026Third-Party Testing for Peptides: Why It Matters
Third-Party Testing for Peptides: Why It Matters In the realm of scientific research, peptides have emerged as powerful tools with applications spann...
February 1, 2026TB-500 (Thymosin Beta-4): Research Overview and Quality Markers
TB-500 (Thymosin Beta-4): Research Overview and Quality Markers TB-500, a synthetic version of the naturally occurring peptide Thymosin Beta-4 (T?4),...
February 1, 2026Enhancing Nanoparticle Stability with PEG & Peptides
Explore how PEG and zwitterionic peptides improve nanoparticle stability and serum compatibility, focusing on bone-targeting applications....
January 28, 2026Peptide Stability: Shelf Life Before and After Reconstitution
Understanding Peptide Stability: Shelf Life Before and After Reconstitution In the realm of peptide research, understanding the stability and shelf l...
January 26, 2026Peptide Storage: Temperature, Light, and Moisture Guidelines
Introduction Peptide storage is a critical aspect of maintaining peptide integrity and ensuring research reproducibility. Improper storage can lead t...
January 26, 2026Peptide Purity Levels: What 95%, 98%, and 99% Actually Mean
Understanding Peptide Purity Levels: 95%, 98%, and 99% Peptide purity is a critical consideration in research and applications, influencing the relia...
January 26, 2026Ipamorelin: Research Profile and Purity Standards
Ipamorelin: Research Profile and Purity Standards Molecular Structure Ipamorelin is a pentapeptide composed of five amino acids with the sequence Aib...
January 26, 2026TB-500 (Thymosin Beta-4): Research Overview and Quality Markers
TB-500 (Thymosin Beta-4): Research Overview and Quality Markers TB-500, a synthetic version of Thymosin Beta-4, is a peptide of significant interest ...
January 26, 2026Red Flags When Sourcing Research Peptides Online
Introduction With the increasing demand for research peptides, the online market has seen a surge in suppliers. However, sourcing high-quality peptide...
January 26, 2026Ensuring Quality in Cationic Cell-Penetrating Peptides
Explore the quality control of cationic cell-penetrating peptides, focusing on their importance in research and methods to ensure peptide integrity....
January 26, 2026Enhance Peptide Stability & Delivery Techniques
Discover how to enhance peptide stability and delivery in research with strategies like chemical modifications and novel formulations....
January 26, 2026Ensuring Traceability in Peptide Quantification
Discover the importance of traceability in peptide quantification through rigorous purity assessment. Explore mechanisms, research implications, and p...
January 26, 2026Differential GLP-1R Binding: Peptide vs Non-peptide
Explore the differences in GLP-1R binding by peptide and non-peptide agonists. Learn about their mechanisms, research findings, and practical consider...
January 26, 2026