Carbon nitride materials and method of making said carbon nitride materials is described. The carbon nitride materials can be a three dimensional C.sub.3N.sub.5 3-amino-1,2,4,-triazole and urea based mesoporous carbon nitride matrix having an atomic carbon to nitrogen ratio of 0.55 to 0.8 and basic nitrogen containing groups of between 0.15 to 0.25 mmol per gram.

The present invention relates to a method for producing a three-dimensional ordered porous microstructure. In the method of the invention where the three-dimensional ordered microstructure is produced using the colloidal crystal templating process, the three-dimensional ordered microstructure thus formed is subjected to heat treatment to soften the particles, so as to effectively increase the contact between orderly arranged particles while removing the solvent used to suspend the particles. The present invention further relates to a monolithic column produced thereby. Compared to the monolithic columns produced by conventional methods, the monolithic column according to the invention is characterized in having a higher aspect ratio and a higher pore regularity, while the connecting pores in the column are relatively large in pore size.

A separation medium for use in the separation of analytes from a feed stream containing suspended solids, processes of separation using the separation medium, and the use of the separation medium to separate analytes from a feed stream containing suspended solids. The separation medium is provided as a hydrogel having a structure whose surfaces are defined by a triply periodic minimal surface, the hydrogel comprising at least one ligand that binds at least one target analyte.

A mesosilicalite nanocarrier having a hierarchical silicalite characterized by a molar ratio of aluminum to silica in a range of 1:3000 to 1:1000. The hierarchical silicalite includes mesopores of a hexagonal structure, and micropores of silicalite structure with a microporous volume in the range of 0.05 cc/g to 0.1 cc/g. The nanocarrier has a mesophase content in the range of 30 wt % to 70 wt %, a microphase content in the range of 30 wt % to 70 wt %, and a mean pore diameter in the range of 1.5 nm to 5.5 nm. A method of preparing the stable mesosilicalite nanocarrier with hierarchical micro/mesopores to load an antioxidant or drug for targeted drug delivery is also described.

A method of producing a porous carbon is provided that can change type of functional groups, amount of functional groups, or ratio of functional groups while inhibiting its pore structure from changing. A method of producing a porous carbon includes: a first step of carbonizing a material containing a carbon source and a template source, to prepare a carbonized product; and a second step of immersing the carbonized product into a template removing solution, to remove a template from the carbonized product, and the method is characterized by changing at least two or more of the following conditions: type of the material, ratio of the carbon source and the template source, size of the template, and type of the template removal solution, to thereby control type, amount, or ratio of functional groups that are present in the porous carbon.

Porous hybrid inorganic/organic materials comprising ordered domains are disclosed. Methods of making the materials and use of the materials for chromatographic applications are also disclosed.

The invention relates to a monolithic porous material based on amorphous silica or activated alumina or on one of their mixtures, the material comprising substantially rectilinear capillary ducts that lie parallel to one another, and being intended to be used as packing in a chromatography column, characterised in that: the ducts have, relative to one another, a substantially uniform cross section; the cross-section of each duct is uniform over its entire length; the ducts pass right through the material; the volume of micropores smaller than 0.3 nm is smaller than 50% of the total porous volume of the material.

Certain embodiments of the invention are directed to nitrogen rich three dimensional C.sub.3N.sub.4+ mesoporous graphitic carbon nitride (gMCN) material formed from diaminoguanidine precursors, the gMCN having a spherical morphology and an average monomodal pore diameter between 6.5 to 9.5 nm.

To provide an activated carbon molded article which can satisfactorily adsorb an evaporated fuel emitted from an automobile and can achieve low evaporated fuel emission performance during the long-time parking of an automobile.

An activated carbon molded article having a specific surface area per volume, which is calculated from a specific surface area determined by the BET multipoint method and a packing density determined in accordance with JIS K 1474, of 290 to 520 m.sup.2/mL, and also having an outer surface area per volume of 1.4 m.sup.2/L or more.

The present invention relates to a radionuclide adsorbent, which includes a hollow space (specifically, an area which is entirely empty or in which transition metal oxide particles are present); and a transition metal-ferrocyanide shell (specifically, a transition metal-ferrocyanide shell having a structure in which a plurality of two-dimensional nano flakes overlap or a transition metal-ferrocyanide shell having a structure in which a plurality of three-dimensional nano polyhedrons agglomerate) formed on the space surface, a preparation method thereof, and a method of removing a radionuclide using the same.