charged Protocols

Category: Cell Biology and Cell Culture: Flow Cytometry Protocols: Apoptosis Cytometry Protocols

Annexin V, belonging to a recently discovered family of proteins, the annexins, with anticoagulant properties has proven to be a useful tool in detecting apoptotic cells since it preferentially binds to negatively charged phospholipids like PS in the presence of Ca2+ and shows minimal binding to phosphatidylcholine and sphingomyeline. Changes in PS asymmetry, which is analyzed by measuring Annexin V binding to the cell membrane, were detected before morphological changes associated with... - [Read Annexin V Protocol]

Category: Peptide Protocols: Dissolving Handling Peptides

Peptide Handling Guides. Storage Guidelines for Lyophilized Peptides, Strategy for Dissolving Single Peptides, Determining Solubility Characteristics of peptides, Dissolving Approach for Charged Peptides, Dissolving Approach for Hydrophobic/Uncharged Peptides, Guidelines for Dissolving Several Peptides, Peptide Stability and Potential Degradation Pathways, and storage of peptides. Sigma Aldrich. PDF. - [Read Peptide Handling Guides]

Category: Nucleic Acid Electrophoresis Protocols: RNA Electrophoresis Protocols

Protocol describes the transfer of RNA from agarose gels to neutral or positively charged nylon membranes, using upward capillary flow of neutral or alkaline buffers.  RNA becomes covalently fixed to positively charged nylon membranes during transfer in alkaline buffers.  However, treatment by UV irradiation or heating is required to fix RNA to neutral membranes. - [Read Transfer and Fixation of Denatured RNA to Membranes Protocol]