Guanidine Hydrochloride
Guanidine Hydrochloride - Related Videos
09:45
Modification and Functionalization of the Guanidine Group by Tailor-made Precursors
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Cited by 2 •
2017
A protocol for the synthesis of alkyl-modified guanidines based on the use of the corresponding precursors is presented.
09:34
Improved Polymerase Chain Reaction-restriction Fragment Length Polymorphism Genotyping of Toxic Pufferfish by Liquid Chromatography/Mass Spectrometry
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Cited by 2 •
2016
An improved polymerase chain reaction-restriction fragment length polymorphism method for genotyping pufferfish species by liquid chromatography/mass spectrometry is described. A reverse-phase silica monolith column is employed for separating digested amplicons. This method can elucidate the monoisotopic masses of oligonucleotides, which is useful for identifying base composition.
02:42
Alcian Blue Staining to Visualize Proteoglycans: A Technique to Detect Proteoglycans in Mesenchymal Stem Cell Differentiated Chondrocytes Culture In Vitro
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2025
This video describes the alcian blue staining procedure for locating proteoglycans secreted by functional chondrocytes. This method helps determine the success of in vitro differentiation of mesenchymal stem cells into mature chondrocytes.
03:59
Isolation and Purification of Recombinant Myelin Oligodendrocyte Glycoproteins
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2025
Source: Jain, R. W., et al. Simple and Efficient Production and Purification of Mouse Myelin Oligodendrocyte Glycoprotein for Experimental Autoimmune Encephalomyelitis Studies. J. Vis. Exp. (2016)This video demonstrates the isolation and purification of MOGtag, a recombinant Myelin Oligodendrocyte Glycoprotein (MOG) used in Experimental Autoimmune Encephalomyelitis (EAE) studies. The protocol involves bacterial lysis, sonication, centrifugation, and nickel affinity chromatography to obtain...
09:04
A Direct, Early Stage Guanidinylation Protocol for the Synthesis of Complex Aminoguanidine-containing Natural Products
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Cited by 3 •
2016
Here, we present a protocol for direct, early stage guanidinylation that enables rapid total synthesis of aminoguanidine-containing small organic molecules. An advanced synthetic intermediate used in the synthesis of a blood coagulation factor XIa inhibitor was prepared using this protocol.
FAQs
Concentrated guanidine hydrochloride more effectively weakens the noncovalent forces that maintain macromolecular structure. This can increase protein unfolding and solubility, particularly when tightly associated or aggregated material resists recovery in less disruptive conditions. The selected concentration therefore influences how much difficult-to-solubilize material enters subsequent analysis.
Because guanidine hydrochloride disrupts hydrogen bonding, hydrophobic interactions, and other stabilizing forces, it can separate proteins from structural states or associations that exist before treatment. Extracted material may therefore be examined for composition and solubility after disruption, while conclusions about native interactions must account for the chaotropic conditions used during preparation.
Its ability to disrupt molecular structure makes guanidine hydrochloride useful when researchers need to reduce structural complexity in nucleic-acid-containing biological material. By weakening stabilizing interactions, it supports analytical workflows focused on examining molecular components under solubilizing conditions, although the resulting structures may not represent their original organization.
Aggregated and membrane-associated proteins can remain difficult to solubilize because their molecular associations limit recovery from tissue. Guanidine hydrochloride helps weaken those associations and can bring otherwise poorly extracted species into solution. In neural research, that improves access to protein material whose composition or misfolding state is central to analysis.
A typical supported use places guanidine hydrochloride within lysis and purification workflows. Neural tissue is exposed to conditions that disrupt macromolecular organization, allowing difficult-to-solubilize proteins to enter the extract before purification and analysis. The resulting preparation can then be examined for protein composition, interactions, or species associated with misfolding.
The resulting extracts can support analysis of which proteins are present, including species that are aggregated or associated with membranes. Researchers can also investigate how those proteins relate to one another after disruptive treatment and examine molecular patterns linked to misfolding. These outcomes help characterize material that conventional extraction may not recover effectively.
In neurodegenerative disease research, the reagent helps make difficult neural-tissue proteins available for biochemical examination. Researchers can use the resulting material to study protein composition, altered interactions, and misfolding mechanisms. This provides a way to investigate molecular features of disease-related protein behavior rather than limiting analysis to readily soluble components.