Silica gel, high-purity grade, 200-400 mesh 

Silica gel, high-purity grade, 200-400 mesh is a low-density, high-surface-area, high-purity inert additive that can be used to prepare chromatographic column sieve plates based on the sol-gel method. Silica gel, high-purity grade prevents DNA degradation by absorbing water from plant leaves, and is suitable for the preservation of field-collected samples for subsequent DNA extraction, restriction endonuclease digestion, PCR amplification and gene sequencing. It can also be reused after being saturated with water. Silica gel, high-purity grade can provide a non-toxic, inert aquatic environment for embedded cells, allowing nutrients, oxygen and metabolic waste to diffuse freely and blocking external pollution, thereby maintaining the activity of fibroblasts and epithelial cells^[1][2].

Mesh: refers to the number of mesh openings along a straight line one inch long. The larger the number, the denser the mesh and the smaller the particles. Silica gel, high-purity grade, 200-400 mesh is a commonly used specification in laboratories: its particle size is moderate, ensuring both flow rate and good separation effect, and it is often used for preparing liquid chromatography or conventional chromatography columns.
Silica gel, high-purity grade can effectively preserve fresh leaf tissues of various flowering plants. When using a silica gel to leaf ratio of at least 10:1 and drying for at least 12 hours, the integrity and digestibility of the obtained DNA are almost equivalent to those of DNA extracted from fresh leaves^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

112926-00-8

Solid

White to off-white

[Silica gel, high-purity grade, 200-400 mesh]

Room temperature in continental US; may vary elsewhere.

Store at room temperature, keep dry and cool

• [1]. Chase M W, et al. Silica gel: an ideal material for field preservation of leaf samples for DNA studies[J]. Taxon, 1991, 40(2): 215-220.

  [2]. Nieto A, et al. Cell viability in a wet silica gel. Acta Biomater. 2009;5(9):3478-3487.