The present invention relates to a complex comprising a transition metal cation (i); a ligand (ii) comprising at least one chelating group, preferably from 1 to 4 chelating groups, more preferred 2 or 3 chelating groups, wherein the chelating group(s) is/are selected from hydroxamate group —N(O″)—C(═O)—R, catechol ate group, carboxyl ate group, partly or totally protonated forms of these chelating groups and mixtures of these chelating groups and/or their partly or totally protonated forms, wherein R is hydrogen or a C1 to C5 alkyl group; and a magnetic bead (iii); wherein the magnetic bead (iii) and the ligand (ii) are covalently bonded. The invention also relates to the use of the complex for reduction of the content of at least one phosphor-oxy-substance, which preferably comprises a structural element —O—P(O″)(═O)—O— within its structure, in a fluid sample, as well as to a method for decreasing the content of at least one phosphor-oxy-substance, preferably a phospholipid, in a fluid sample, comprising a step of adding the complex. The invention further relates to a supernatant obtained or obtainable from this method and to the use of a supernatant obtained or obtainable from the method for qualitative and/or quantitative determination of at least one analyte in said supernatant. Furthermore, the invention relates to a method for qualitative and/or quantitative determination of at least one analyte in a fluid sample and to a method for determining the kind and/or amount of at least one phosphor-oxy-substance in a fluid sample.

In some aspects, the present disclosure provides compositions comprising a nanoporous material such as a metal organic framework and an amine containing compound. In some aspects, these compositions may be used to improve the affinity of a guest molecule to the nanoporous material relative a nanoporous material which had not been treated with the amine containing compound.

An oxygen absorbing agent containing a compound (A) of formula (I): ##STR00001## wherein X is a chalcogen atom, R.sup.1 and R.sup.2 are each any one of an alkyl group which optionally has a substituent, an alkenyl group which optionally has a substituent, an aryl group which optionally has a substituent, and an aralkyl group which optionally has a substituent, R.sup.3 and R.sup.4 are each any one of a hydrogen atom, an alkyl group which optionally has a substituent, an alkenyl group which optionally has a substituent, an aryl group which optionally has a substituent, and an aralkyl group which optionally has a substituent, and R.sup.5 is a polymerizable group; and a transition metal salt (B).

An article for removing undesired chemical ions or compounds from gas and fluid streams where the article is a porous polymeric matrix with a sorption particle, the sorption particle is capable of removing the undesired chemical ion or compound.

A process for separations and recovery from mixtures via specific adsorption using high-surface area, flexible silica-based nanostructured gel adsorbents and articles of manufacture relating to same.

Disclosed are amorphous nanostructure and methods of making amorphous nanostructure. The amorphous nanostructure has a transition metal and a halogen element in the main chain, and the transition metal has an oxidation number of +1. In addition, the inorganic polymer forming the amorphous nanostructure forms hydrogen bonding with an adjacent inorganic polymer. The side chain of the inorganic polymer for hydrogen bonding has hydrogen and elements for hydrogen bonding. Through this, various characteristics can be confirmed.

Solid absorbent compositions and methods for the removal of mercaptan sulfur compounds from hydrocarbon streams are provided. The compositions may include porous granulated activated carbon particles with internal pore surfaces containing bound trinuclear basic iron (III) acetate complex containing the [Fe.sub.3(μ.sup.3−O)] core structure.

The present invention refers to the use of a surface-treated calcium carbonate-comprising material and/or magnesium carbonate-comprising material as oxygen scavenger; wherein the surface treatment agent is selected from the group consisting of ascorbic acid and/or salts thereof, gallic acid and/or salts thereof, unsaturated fatty acids and/or salts thereof, elemental iron, iron (II)-salts and iron (ID-comprising oxides, iron (II, III)-comprising oxides and mixtures thereof; and wherein the total weight of the surface treatment agent on the total surface area of the at least one calcium carbonate-comprising material and/or magnesium carbonate-comprising material is from 0.01 to 40 mg/m.sup.2, based on the at least one calcium carbonate-comprising material and/or magnesium carbonate-comprising material.

A sorbent structure that includes a continuous body in the form of a flow-through substrate comprised of at least one cell defined by at least one porous wall. The continuous body comprises a sorbent material carbon substantially dispersed within the body. Further, the temperature of the sorbent structure can be controlled by conduction of an electrical current through the body.

Various embodiments disclosed relate to sorbents for the oxidation and removal of mercury. The present invention includes removing mercury from a mercury-containing gas using a halide-promoted and optionally ammonium-protected sorbent that can include carbon sorbent, non-carbon sorbent, or a combination thereof.