The invention discloses a separation matrix for purification of biological particles, comprising a plurality of particles having a porous core entity and a porous shell entity covering the core entity, wherein the core entity comprises at least 50 micromole/ml primary amines present on covalently attached ligands displaying at least two primary amines per ligand and the shell entity comprises less than 20 micromole/ml primary amines The invention further discloses a method of purifying biological particles and a method of manufacturing a separation matrix.

A water absorption treatment material includes a core portion and a coating portion. The core portion is approximately circular column-shaped and has a side surface, a first bottom surface, and a second bottom surface. The coating portion is provided so as to cover the core portion. A region of 80% or more of the side surface of the core portion is covered by the coating portion. A region of 80% or more of the first bottom surface of the core portion is exposed without being covered by the coating portion.

The present invention relates to immunoglobulin (Ig) binding proteins comprising one or more domains. The invention further relates to affinity matrices comprising the Ig binding proteins of the invention. The invention also relates to a use of these Ig binding proteins or affinity matrices for affinity purification of immunoglobulins and to methods of affinity purification using the Ig binding proteins of the invention.

The invention refers to the process of obtaining porous spheres based on CaO modified with carbon nanotubes for the capture of CO.sub.2. The invention also refers to the spheres obtained and their use to capture CO.sub.2 generated by a vehicular internal combustion engine, aiming to reduce the amount of CO.sub.2 released into the atmosphere.

A composite material for gas capture including CO.sub.2 capture and capture of other gases. The composite material includes solid or liquid reactive material, filler material, and a gas-permeable polymer coating such that the reactive material forms micron-scale domains in the filler material.

This invention relates to a Cu-BTC MOF which is water stable. The Cu-BTC MOF has open coordination sites and has been post synthesis modified by partially occupying the open sites with a ligand such as acetonitrile (CH.sub.3CN). The resultant MOF retains at least 40% of its as synthesized surface area after exposure to liquid water at 60° C. for 6 hours. This is an unexpected result versus the MOF which has not been post treated with ligands such as acetonitrile. This MOF can be used to abate contaminants such as ammonia in gas streams and especially air streams.

Described are storage and dispensing systems and related methods, for the selective dispensing germane (GeH.sub.4) as a reagent gas from a vessel in which the germane is held in sorptive relationship to a solid adsorbent medium that includes a zeolitic imidazolate framework.

The present invention describes the process of preparing ceramic materials for absorption of acidic gases, mainly carbon dioxide, in exhaust systems and/or present indoors. Ceramic materials are formed by a mixture of alkali carbonate with alkaline earth metal oxide/hydroxide associated with a binding component, but non-limiting. The alkali carbonate comprises sodium, potassium carbonate, or a mixture of both. The alkaline earth metal oxide/hydroxide may be formed from magnesium oxide or magnesium hydroxide as well as calcium oxide and/or calcium hydroxide.

Disclosed are water-absorbing resin particles 10a in which an expansion retention rate calculated by the formula: expansion retention rate (%)=(V.sub.1/V.sub.0)×100 is 98% or more. V.sub.0 is the volume of the swollen gel formed when 1.000±0.001 g of the water-absorbing resin particles 10a absorb 20.0±0.1 g of pure water. V.sub.1 is the volume of the swollen gel formed when 1.000±0.001 g of the water-absorbing resin particles 10a absorb 20.0±0.1 g of physiological saline.

An X-ray amorphous magnesium carbonate is disclosed that is characterized by a cumulative pore volume of pores with a diameter smaller than 10 nm of at least 0.018 cm.sup.3/g, and a specific surface areas of at least 60 m.sup.2/g. The X-ray amorphous magnesium carbonate is produced by reacting an inorganic magnesium compound with alcohol in a CO.sub.2 atmosphere. The X-ray amorphous magnesium carbonate can be a powder or a pellet and acts as a desiccant in, for example, production of food, chemicals or pharmaceuticals.