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Editorial team for Peptide Therapy Guide.
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Cell-Penetrating Peptide (CPP) Synthesis and Conjugation Cell-penetrating peptides (CPPs), also called cell-permeable peptides or protein transduction domains, are short peptide sequences used to improve intra…
Read guide →How to Calculate the Peptide Concentration Calculating peptide concentration is more complicated than dividing the weighed powder by the solvent volume. Lyophilized peptide often contains non-peptide mass such…
Read guide →How to Choose the Best Peptide Purity for Your Research The best peptide purity depends on the application. A screening project, antibody generation study, quantitative receptor assay, and clinical-stage progr…
Read guide →How Do Peptides Fold? Peptide folding is the process by which a peptide assumes a functional shape or conformation. By coiling and folding into a specific three-dimensional structure, the peptide can better pe…
Read guide →How Are Peptides Synthesized? Synthetic peptides are typically assembled from the C-terminus to the N-terminus using solid-phase methods. At LifeTein, peptide synthesis is performed using peptide synthesis tec…
Read guide →Amyloid Peptides for Alzheimer’s Disease Research LifeTein provides high-quality amyloid peptides for Alzheimer’s disease and neurodegeneration research, including beta-amyloid sequences for aggregation studie…
Read guide →Are you trying to find a way to detect small peptides clearly and sensitively, using SDS-PAGE and Western blotting? If your sample contains proteins of interest that are less than 20 kDa, you can download a pr…
Read guide →Peptide Pool Service HIV Pol peptide pool sequence. Each peptide is 15 amino acids in length. Order Now at $50/0.5mg! Download the HIV pool sequences. LifeTein offers overlapping peptide pools (peptide mixes o…
Read guide →AI-Assisted Peptide Design and Manufacturing LifeTein applies AI-assisted analysis to improve peptide design, synthesis planning, manufacturability assessment, and experimental success. The goal is not to repl…
Read guide →Multiple Antigenic Peptide (MAP) Synthesis Custom MAP peptides, branched lysine-core peptides, peptide dendrimers, dendrons, and multi-epitope peptide immunogens for antibody production and vaccine research. L…
Read guide →Peptide Frequently Asked Questions This page brings together practical answers on peptide dissolution, storage, solubility, purity, concentration, quality control, and peptide chemistry. For easier reading, th…
Read guide →FITC Peptide Labeling FITC is one of the most widely used fluorescent labels for peptides. It is commonly used in fluorescence microscopy, flow cytometry, uptake studies, and general biomolecular tracking appl…
Read guide →FAM Peptide Labeling FAM is a fluorescein-family dye widely used in peptide, oligonucleotide, and probe labeling. It is useful for fluorescence assays, peptide conjugation, and general green-channel detection …
Read guide →Cy5 Peptide Labeling Cy5 is a widely used far-red cyanine dye for peptide labeling, microscopy, flow cytometry, and multicolor detection. It is a common choice for low-background far-red fluorescence applicati…
Read guide →Cy3 Peptide Labeling Cy3 is a commonly used orange-channel cyanine dye for fluorescence microscopy, multicolor imaging, and flow cytometry. It is often selected for peptide tracking and dual-color labeling str…
Read guide →Alexa Fluor 647 Peptide Labeling Alexa Fluor 647 is a far-red fluorescent dye widely used for peptide conjugation, imaging, and flow cytometry. Its strong far-red signal and high photostability make it useful …
Read guide →ATTO 647N Peptide Labeling ATTO 647N is a far-red fluorescent dye known for strong photostability and low background. It is used in advanced microscopy, multicolor fluorescence experiments, and far-red peptide…
Read guide →ATTO 550 Peptide Labeling ATTO 550 is an orange-red fluorescent dye used in microscopy, multicolor imaging, and other fluorescence workflows where a photostable Cy3- or TAMRA-like dye is desired. Key Propertie…
Read guide →ATTO 488 Peptide Labeling ATTO 488 is a bright, photostable green fluorescent dye used as an alternative to FITC or related green fluorophores in microscopy and flow cytometry applications. Key Properties Exci…
Read guide →Peptide fluorescent labeling Please click here to get a quote for Fluorescent Peptide Services now! Fluorescent peptides are short amino acid chains that emit light when exposed to certain wavelengths of light…
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