The present invention relates to the field of chromatographic sample separation that includes liquid chromatography and solid phase extraction and, in particular, it relates to material and the synthesis of material for use as a stationary phase in chromatographic sample separation. The invention further relates to uses of the material, in particular in the separation of hydrophilic and hydrophobic peptides, non-glycosylated and N-linked glycosylated peptides, deamidated and oxidized peptides. The invention also relates to chromatographic columns and solid phase extraction columns containing the material as a stationary phase.

A modified textile sorbent (MTS) material for direct capture of atmospheric CO.sub.2, and method for producing the same is disclosed. The MTS material includes a woven material and a sorbent polymer immobilized within the woven material, with the sorbent polymer having a plurality of swing-responsive moieties that respond to at least one of a temperature swing, a pressure swing, and a moisture swing. The method for producing a MTS material includes mixing a monomer of a sorbent polymer, in solution, with a woven material such that the monomer is impregnated into the woven material. The method also includes immobilizing the sorbent polymer within the woven material by polymerizing the monomer that is impregnated into the woven material. and substituting a counterion of the sorbent polymer with a swing-responsive moiety. The monomer is one of styrene-based, acrylate-based, methacrylate-based, silicone-based, or polysulfone-based.

The present disclosure provides for sorbents and contactors. methods of using sorbents and contactors to capture CO.sub.2. structures including the sorbent. and systems and devices using sorbents and contactors to capture CO.sub.2. In an aspect. the present disclosure provides for sorbents that include a CO.sub.2-philic phase and a support. In an aspect. the present disclosure provides for sorbents and contactors that include a CO.sub.2-philic phase and a support. where the CO.sub.2-philic phase includes a modified amine polymer that is the reaction product of an amine and a glycidyl ether.

The present disclosure is directed to stationary phase materials for performing size exclusion chromatography. Embodiments of the present disclosure feature hydroxy-terminated polyethylene glycol surface modified silica particle stationary phase materials, which are optionally also methoxy-terminated polyethylene glycol surface modified.

The disclosure relates to the design and synthesis of selected ligands, dendrimers, polymers and other solid phase substrates for selective chelation of rare earth elements (i.e. lanthanides), and use of those selective ligands for synthesis of resins, polymers and other types of solid supports for separation and recovery of lanthanides from aqueous media. Recovery of critical elements from aqueous media occurs in a simple two-step process: pre-concentration of REE on the adsorbent and recovery by acid elution. The present invention can be used for design of selective ligands immobilized on solid substrates for extraction of various constituents, such as lanthanides, actinides, radionuclides, trace metals, etc., from aqueous media.