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Editors' picks this month
Hand-selected by our scientific team — the most useful reads right now.
Polyethylene Glycol (PEG): Properties, Applications Across Multiple Fields, and Product Selection Guide
Polyethylene glycol (PEG) is a family of linear polyether polymers produced by the stepwise addition polymerization of ethylene oxide with water or ethylene glycol.
Eight Common Lysis Buffers
In handling cell and tissue samples, choosing a lysis buffer is not just about “breaking cells open”—it determines whether proteins are detectable, remain active, and retain complexes and post-translational modifications. Different systems vary greatly in strength, denaturation, and effects on membranes and nuclei; the protein profiles you obtain from the same sample can differ markedly under different lysis conditions.
How Palmitoyl Pentapeptide-4 Acts on the Skin: From the KTTKS Sequence and Skin Delivery to Collagen Matrix Responses
Palmitoyl Pentapeptide-4 is a synthetic lipopeptide formed by linking a palmitoyl fatty-acyl chain to the pentapeptide KTTKS. Its International Nomenclature of Cosmetic Ingredients name is Palmitoyl Pentapeptide-4, and it is commonly referred to in research as Pal-KTTKS or C16-KTTKS.
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Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
42161,700+ technical articles by Aladdin Scientific's scientists on reagent selection, reaction mechanisms, assay design and formulation. New every week.
- inhibitorβ-Lactamases: Mechanisms of Action and Detection Applications—A Technical Guide
- Heterocyclic compounds1,4-Dimethyl-5-nitroimidazole: Properties, Uses & FAQs
- Heterocyclic compound1,4-Dimethyl-5-Nitroimidazole: Handling & Lab Protocol
- Artificial SeawaterArtificial Seawater Powder (ASW, ASTM): FAQs & Usage Guide
- Natural productsRetusin: Properties, Bioactivity & Research Applications
Laboratory Protocols & SOPs Library
32283,200+ step-by-step lab protocols and SOPs for cell culture, staining, PCR, protein work and microbiology, with reagents, conditions and evaluation criteria.
- Cyclic nucleotidesDibutyryl-Cyclic GMP (Sodium Salt): Lab Use Guidelines
- H3TATBH3TATB MOF Synthesis Protocol: Step-by-Step Guide
- β-Propiolactoneβ-Propiolactone (BPL) Viral Inactivation — Standard Operating Procedure (SOP)
- MSCsStandard Operating Procedure for Adipogenic Differentiation of Mesenchymal Stem Cells and Evaluation by Oil Red O Staining
- Other experimentsExperimental purification of λ phage particles by precipitation/centrifugation
Frequently Asked Questions: Products, Experiments and Troubleshooting
300Answers from Aladdin Scientific's technical team to 290+ questions on antibodies, reagents, purity, storage and experiment troubleshooting.
- cell cultureTrypan Blue Solution (0.2%): FAQs for Cell Viability
- Peptide PurityDetermination of Peptide Purity
- Meet AldaMeet Alda, Aladdin Scientific’s Digital Product Assistant
- Flow-through AntibodiesIs the mouse Fc blocker in μg packaging and is it powdery in nature? Does it dissolve in pbs?
- Flow-through AntibodiesWhat is the difference between our Flow Antibodies available in Test packages and μg packages?
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Reagent Specifications, Grading and Purity
194What reagent grades, purity labels and specifications mean: ACS/AR, HPLC, electronic grade and tag-grade proteins, in 190+ guides from Aladdin Scientific.
- GradeWhat Grade Is Purum? From Grade Meaning and Specification Interpretation to Reagent Selection
- Grade“Tissue Engineering Grade” Reagents and Materials: Grade Meaning, Critical Quality Attributes, and Selection Methods
- COAReagent Purity Labeling System and Interpretation Principles
- Electronic GradeFrom EL to UPSSS: Cleanliness Grades, Key Specifications, and Selection Logic for Electronic-Grade Reagents
- AVI tagAVI-Tag Grade Reagents
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