Phosphate buffered saline
SIGMA/P3813 - powder, pH 7.4, for preparing 1 L solutions
Synonym: PBS
MDL Number: MFCD00131855
Product Type: Chemical
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| application(s) | diagnostic assay manufacturing life science and biopharma sample preparation |
| color | white |
| density | 1.19 g/cm3 at 20—25 °C |
| 1.22 g/cm3 at 20—25 °C | |
| form | powder |
| pH | 7.4 |
| Quality Level | 200  |
| solubility | water: soluble |
| storage condition | dry at room temperature |
| Application: | It has been utilized for rinsing fixed tissues and creating a suitable buffer environment in the immunolocalization process(1)It has been employed as a diluent to assess the performance of a ELISA test kit(2)It has been applied as a buffer in a immunohistochemistry procedure(3) |
| Application: | Phosphate buffered saline has been used: • in the washing solutions during immunofluorescence procedure. • for the suspension of bacterial cells. • during the fixation and immunostaining procedures. • for rinsing fixed tissues and creating a suitable buffer environment in the immunolocalization process • as a diluent to assess the performance of an ELISA test kit • as a buffer in an immunohistochemistry procedure |
| Features and Benefits: | • High-quality product suitable for multiple research applications • Can be used as a buffer component in biological and biochemical applications • Highly soluble in water |
| General description: | Phosphate-buffered saline (PBS) stands as a cornerstone in biological research due to its versatility and essential properties. One primary attribute is its isotonicity, closely resembling the pH, osmolarity, and ion concentrations of the human body. This makes PBS non-toxic to cells, playing a pivotal role in cell biology procedures such as washing cells, transporting tissues, and diluting cells and reagents. These applications ensure the preservation of cell viability and the maintenance of a physiological environment. The buffering capacity of PBS, maintained through a phosphate-phosphoric acid equilibrium, provides a stable pH environment crucial for optimal enzyme activity and various biological processes. This makes PBS ideal for preparing reagents, protein dialysis, and immunohistochemistry, ensuring consistent and reliable results in experiments. Beyond cell biology, PBS may also find applications in diverse areas, including the creation of custom ELISA buffers to ensure optimal antibody-antigen interactions. Additionally, PBS can serve as a running buffer for Protein A/G chromatography, facilitating antibody purification based on specific antigen binding. In hematological and biochemical procedures, PBS is widely used for washing cells and tissues. In summary, PBS emerges as an indispensable tool in both biological and biochemical research, offering isotonicity, buffering capacity, simplicity, and stability. Its diverse applications in cell biology, reagent preparation, protein purification, and various biological assays underscore its significance in advancing scientific knowledge and understanding. |
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| Packaging: | Foil pouches |
| Preparation Note: | Contents of one pouch, when dissolved in one liter of distilled or deionized water, will yield 0.01 M phosphate buffered saline (NaCl 0.138 M; KCl - 0.0027 M); pH 7.4, at 25 °C. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 1.19 g/cm3 at 20—25 °C; 1.22 g/cm3 at 20—25 °C |
| UNSPSC | 12161700 |