ChemDB: Polyethyleneimine

Composition: Synthetic polymer with repeating ethyleneimine units (‑CH₂CH₂NH‑) Forms: Branched PEI (25%, 50%, 75% branching) Linear PEI (LPEI) (near 100%…

Topic: Transfection

Transfection Transfection: Timeline of Key Events  Calcium Phosphate Transfection    Polyethyleneimine as a Transfection Reagent: Enabling Efficient Gene Delivery in Mammalian…

Transfection: Timeline of Key Events

Transfection, the process of introducing foreign nucleic acids into eukaryotic cells, has become a cornerstone of modern molecular biology, biotechnology,…

Large-Scale Transient Transfection of Mammalian Suspension Cells for Rapid Protein Production

Large-scale transient transfection of mammalian cells in suspension is a widely used method for the rapid production of recombinant proteins,…

tissue Plasminogen Activator (tPA): The First Commercial Mammalian-Produced Therapeutic Protein

The first commercial therapeutic recombinant protein produced using mammalian cells was recombinant human tissue plasminogen activator (tPA), which was approved…

Recombinant Protein Technology: Timeline of Key Events

Recombinant protein technology represents one of the most transformative achievements in modern biotechnology, enabling the precise production of proteins through…

Recombinant Protein Expression in Mammalian Cells

Recombinant protein expression in mammalian cells represents a sophisticated biotechnology platform crucial for producing complex proteins that require specific post-translational…

Protein

Proteins are complex macromolecules that serve as fundamental components of all living organisms, playing crucial roles in virtually every biological…

Rare-Earth Elements in World Politics

Rare-earth elements (REEs) have become a strategic asset in global politics due to their essential role in advanced technologies, clean…

Major Producers of Rare-Earth Elements

Rare-earth element (REE) producers play a critical role in the global supply chain for high-tech products, including electric vehicles, wind…

Rare-earth Element

Rare-earth elements (REEs) are a group of 17 metallic elements that include the 15 lanthanides on the periodic table, plus…

Prokaryotic Gene Vs Eukaryotic Gene

Criteria Prokaryotic Gene Eukaryotic Gene Remarks Gene Organization Typically organized in operons (polycistronic); multiple genes under one promoter Mostly monocistronic;…

Topic: Gene

Gene  Prokaryotic Gene Vs Eukaryotic Gene Intron-less Genes in Eukaryotes   Gene Expression Analysis   Gene Expression Analysis by NanoString Technology

Gene

A gene is a fundamental unit of heredity consisting of a specific sequence of DNA nucleotides that encodes functional products…

Intron-less Genes in Eukaryotes

In eukaryotic organisms, the majority of genes are composed of exons and introns, with introns being non-coding sequences that are…