摘要:
A reactive-adsorptive protective material having an activated carbon adsorbent for adsorbing chemical impurities, wherein nanoparticular entities are loaded into and onto a surface of said activated carbon adsorbent to further impart chemically reactive and biocidal properties onto the activated carbon for providing protection against chemical and biological agents in the atmosphere. Advantageously, a superior reactive-adsorptive material is provided having the ability to kill microorganisms in addition to the ability to neutralize and decompose chemical substances, while at the same time not diminishing the adsorptive/reactive capabilities and effectiveness of either the substrate carbon or the loaded nanoparticular entities used.
摘要:
The present invention relates to a sorbent material for separation and purification of biopolymers, particularly nucleic acids, having a solid support substantially modified with a copolymer coating comprising aromatic monomers and crosslinking compounds and unsaturated esters or ethers preferably attached to the support via a vinylchlorsilane. The use of these materials for separation of nucleic acids, particularly a one-step isolation of DNA from lysates of different biological sources, is an object of the invention as well as a chromatographic column or cartridge at least partially filled with the sorbent material of the invention, a membrane-like device comprising the sorbent material of the invention, and a kit comprising the sorbent material of the invention in bulk or packed in chromatographic devices as well as other devices necessary for performing sample preparations.
摘要:
Methods have been developed to form catalysts having active metals disposed on a carbon nanotube coated porous substrate. Catalysts and reactions over nanotube-containing catalysts are also disclosed. Results are presented showing enhanced performance resulting from use of the inventive catalyst. Mesoporous oxide layers can be utilized to improve catalyst properties.
摘要:
Disposable paper filters suitable for removal of contaminants from fluids such as water or air are disclosed. Specific embodiments include single-ply and multi-ply filters in which metal removal additives and/or halogen and organic contaminant removal additives have been distributed during the manufacturing process. Special manufacturing methods for producing such composite filters are also described.
摘要:
A solid phase N-hydroxysuccinimide reagent having the general formula: ##STR1## where X is particulate silica gel or controlled pore glass; n=3-7; Y is either (CH.sub.2).sub.n' or (CH.sub.2).sub.n' --NH--CO--CH.sub.2 wherein n'=2-6; Z may be in the form of OCOR, OSO.sub.2 R and OCO.sub.2 R, and Z' may be either Z or OH, wherein R is a chromophore, fluorophore or electrophore capable of detection in chromatographic separation technology is disclosed. Also disclosed is the method for making compounds of this type and the method for using these compounds to identify and quantitate analytes having primary or secondary amine or thiol functionalities.
摘要:
An adsorbent for separation - recovery of CO comprising a composite carrier (X) composed of a carrier (a) formed of silica and/or alumina and an active carbonized material layer (b) formed thereon, on which a copper compound (Y) is carried.By applying the method of the pressure swing adsorption and/or temperature swing adsorption, using this adsorbent, high purity CO may be separated and recovered on industrial scale from converter gas and other gases containing CO.
摘要:
Embodiments of the present invention are directed to a porous monolith polymeric composition having utility in catalysis, chromatography, filtration, and electro-kinetic pumps, devices incorporating such composition and methods or making and using such monoliths. The monoliths are characterized by a substantially homogeneous skeletal core with little shrinkage, few voids and few channels.
摘要:
Embodiments of the present invention are directed to a porous monolith polymeric composition having utility in catalysis, chromatography, filtration, and electro-kinetic pumps, devices incorporating such composition and methods of making and using such monoliths. In some embodiments the monoliths can include a skeletal core having a substantially homogeneous polymeric composition of two or more organic silane monomers and pores that define an interstitial volume in the skeletal core. The pores can include macropores and less than 5% of the interstitial volume can be mesopores. Such monoliths can, in some embodiments, be disposed in a housing having at least one wall that defines a chamber such that all fluid flowing into the chamber passes through the pores of the monolith.
摘要:
The present invention concerns the use, for gas separation and/or gas drying, of at least one zeolite adsorbent material comprising at least one type A zeolite, said adsorbent having an external surface area greater than 20 m2.g−1, a non-zeolite phase (PNZ) content such that O
摘要:
The present invention provides a separation material that comprises porous polymer particles comprising a styrene-based monomer as a monomer unit; and a coating layer comprising a macromolecule having hydroxyl groups, which covers at least a portion of the surface of the porous polymer particles, and the separation material has a 5% compressive deformation modulus of 100 to 1,000 MPa, and has a mode diameter in the pore size distribution of 0.1 to 0.5 μm.