Sorbent comprising a solid support material, the surface of which comprises first residues comprising a binuclear heteroaromatic structure comprising besides carbon atoms at least one of the heteroatoms N, O, S, and second residues comprising a mononuclear heteroaromatic structure comprising besides carbon atoms at least one of the heteroatoms N, O, S.

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.

A solid substrate for the extraction, stabilization, and storage of proteins is provided. The substrate includes: a polysaccharide, such as melezitose under a substantially dry state. The substrate is configured to extract proteins from a sample and stabilize the extracted proteins in a dry format under ambient conditions for a prolonged period of time. Methods for collecting and recovering the proteins stored in the dry solid substrate are also described.

A three-component composition for use in the treatment of preeclampsia and related disorders wherein a first component comprises a bimodal synthetic carbon particle mixture; a second component comprises a resin bead with at least one affinity ligand directed toward syncytiotrophoblast-derived factor sEndoglin and a third component comprises a resin bead with at least one affinity ligand directed toward syncytiotrophoblast-derived factor soluble Fms-like tyrosine kinase-1.

The present disclosure pertains to composite particles with polymer-based cores, which eliminate the high pH failure mechanism of silica-based core-shell silica particles. In various embodiments, a non-porous polymer core is surface modified. In various embodiments, a non-porous hybrid organic-inorganic material is in contact with the modified surface of the core, and a porous inorganic material is in contact with the non-porous hybrid organic-inorganic material. The present disclosure pertains to chromatographic separation devices that comprise such composite particles.

The present disclosure described compositions which may be effective in removing contaminants from a gas stream such as nitrous oxides. The composition may include a sorbent which includes a metal including copper, zinc, or a combination thereof, and optionally includes triethylenediamine. Methods of making such a composition are also described, along with devices which use the composition to remove contaminants from fluid streams, particularly in vehicle tunnels and parking garages.

The present disclosure pertains to composite particles with polymer-based cores, which eliminate the high pH failure mechanism of silica-based core-shell silica particles. In various embodiments, a non-porous polymer core is surface modified. In various embodiments, a non-porous hybrid organic-inorganic material is in contact with the modified surface of the core, and a porous inorganic material is in contact with the non-porous hybrid organic-inorganic material. The present disclosure pertains to chromatographic separation devices that comprise such composite particles.

A functionalized carbon dioxide sorbent of a functionalized graphene oxide (fGO) substrate having substitution sites substituted with a functional group. The functional groups can be secondary or tertiary amines, a phosphate, a sulfonate or magnetite. The sorbent can have a binder intermixed with the fGO substrate, in the form of pellets, using a hydroxyethyl cellulose binder. A method using the functionalized sorbent provided captures a CO.sub.2 from a flue gas, by passing the flue gas containing moisture and a concentration of CO.sub.2 across the sorbent packed bed of the functionalized sorbent to adsorb selectively a portion of CO.sub.2 in the flue gas onto the fGO of the sorbent. The captured CO.sub.2 can be desorbed from the sorbent by exposure to a fluid at elevated temperature and/or reduced pressure conditions sufficient to desorb the CO.sub.2, and separating and concentrating the desorbed CO.sub.2 from the fluid. The functional moieties can be at least one of a primary and secondary amine, and a secondary function group of tertiary amines, phosphates, sulfonates and/or magnetite.

Agglomerated dispersible granules are disclosed including activated alumina particles and phosphate particles. The activated alumina particles have a porous structure and a plurality of electrically-charged binding sites disposed within the porous structure. The activated alumina particles and the phosphate particles are present in the agglomerated dispersible granules as distinct phases agglomerated together. A method for amending soil with buffered phosphorus is disclosed including physically blending and then agglomerating activated alumina particles with phosphate particles to form the agglomerated dispersible granules. The agglomerated dispersible granules are applied to soil with the activated alumina particles and the phosphate particles being present as distinct phases and the activated alumina particles being free of phosphate disposed within the porous structure. An activated alumina suspension is disclosed including activated alumina particles suspended as a dispersed phase in a continuous phase, the activated alumina particles having a particle size less than 200 m.

Disclosed are a modified nanoscale zero-valent iron (nZVI) and a preparation method and an application thereof. The preparation method of the modified nZVI includes the following steps: S1: mixing nZVI, a stabilizer and an oxidant together and stirring in an inert atmosphere to obtain a polymerization precursor solution; and S2: dripping pyrrole into the polymerization precursor solution prepared in the S1, maintaining an inert gas atmosphere for polymerization reaction, and performing cooling, filtration and vacuum drying to obtain the modified nZVI. According to the preparation method of the modified nZVI in the present disclosure, nZVI, stabilizer and oxidant are mixed to prepare a polymerization precursor solution, into which pyrrole is added for polymerization to obtain uniformly-coated modified nZVI, thereby forming a comprehensive mechanical support, which cannot only effectively improve oxidation property and structural stability of nZVI, but also promote reactivity of nZVI with heavy metal (semimetal) ions or radioactive elements.