Disclosed are magnetic nanoparticles and methods of using magnetic nanoparticles for selectively removing biologics, small molecules, analytes, ions, or other molecules of interest from liquids.

The present disclosure provides methods and systems for treating a biological fluid of a subject suffering from a microbial infection (e.g., a drug-resistant microbial infection). In some embodiments, these methods and systems involve a complement receptor immobilized on, or otherwise associated with a polymer substrate, for example, high surface area particles, membranes, hollow fibers, and/or other porous or non-porous media. In other embodiments, the methods and systems involve a complement receptor present in a dialysate used in a dialyzer for extracting pathogens out of a biological fluid, for example, the blood of a patient.

The invention discloses a core-shell structure polymer magnetic nanosphere with a high Cr (VI) adsorption capacity and its preparation method and application. The preparation method includes: adding Fe.sub.3O.sub.4 powder into a mixed solution of water and ethanol, dispersing Fe.sub.3O.sub.4 powder in the solution evenly by ultrasound, sequentially adding resorcinol and formaldehyde into the suspension to adjust a pH, stirring and reacting to obtain Fe.sub.3O.sub.4@RF evenly dispersed in a chitosan solution, dropwise adding the prepared suspension into a mixed solution of paraffin and span 80, stirring for a period of time, adding a glutaraldehyde aqueous solution, stirring and reacting to obtain a magnetic chitosan nanosphere. The magnetic chitosan nanosphere prepared may be applied to adsorbing Cr (VI) in a water solution. Not only the magnetic chitosan nanospheres prepared has a high adsorption capacity for Cr (VI), but also can be quickly separated by an external magnetic field after adsorption.

A carrier for adsorption a compound, comprising a support; and a shrink-fitted monolithic body attached to and surrounding at least a portion of the support. The monolithic body can be porous and configured to bind compounds in a solution either for the isolation or depletion of the compounds from the solution.

Systems and methods for removing heavy metals such as selenium from wastewater with zero valent iron media. Air may be introduced directly into a reaction zone of a fluidized bed reactor filled with the media to catalyze treatment.

An apparatus for capturing a water content from a water containing gas, the apparatus comprising: a housing having an inlet into which the water containing gas can flow; a water adsorbent located in the housing, the water adsorbent comprising at least one water adsorbent metal organic framework composite capable of adsorbing a water content from the water containing gas; and a water desorption arrangement in contact with and/or surrounding the water adsorbent, the water desorption arrangement being selectively operable between (i) a deactivated state, and (ii) an activated state in which the arrangement is configured to apply heat, a reduced pressure or a combination thereof to the water adsorbent to desorb a water content from the water adsorbent.

The methods of the invention employ targeted magnetic particles, preferably targeted nanomagnetic particles, and targeted buoyant particles such as buoyant microparticles and microbubbles. Among the benefits of the invention is the ability to combine targeted magnetic particles with differentially targeted buoyant particles to achieve separation of two or more specifically cell targeted populations during the same work flow.

The present invention relates to a radioactive chemical waste treatment apparatus including an adsorption unit including an radioactive chemical waste adsorption member for adsorbing and separating radioactive chemical wastes from radioactive chemical waste-containing fluid, and a regeneration unit which is in fluidic communication with the adsorption unit and is for regenerating the radioactive chemical waste adsorption member by desorbing the radioactive chemical wastes from the adsorption member with the radioactive chemical wastes adsorbed thereonto, and to a radioactive chemical waste treatment method including (A) adsorbing radioactive chemical wastes onto a radioactive chemical waste adsorption member and separating the radioactive chemical wastes from a radioactive chemical waste-containing fluid, and (B) desorbing the radioactive chemical wastes from the radioactive chemical waste adsorption member with the radioactive chemical wastes adsorbed thereonto, and regenerating the radioactive chemical waste adsorption member.

A method of preparing a magnetic particle having a polymer matrix (P) and at least one magnetic core (M), preferably at least two magnetic cores (M), wherein the polymer matrix (P) comprises at least one hypercrosslinked polymer, wherein the method comprises (i) providing at least one magnetic core (M), preferably at least two magnetic cores (M), (ii) providing polymer precursor molecules, (iii) polymerizing the polymer precursor molecules according to (ii) in the presence of the at least one magnetic core (M), thereby forming a particle comprising the at least one magnetic core (M) is disclosed. Further, particles obtained or obtainable by this method as well as to the use of these particles are disclosed. In a further aspect, a method for determining at least one analyte in a fluid sample having the step of contacting of the magnetic particle with a fluid sample having or suspected of having the at least one analyte is disclosed.

Disclosed are methods to remove organic and/or inorganic compounds (e.g., contaminants) from water containing organic and/or inorganic compounds, involving contacting the water with an effective organic and/or inorganic compounds removing amount of hemoglobin/Fe.sub.3O.sub.4 composite where the compounds in the water adsorb onto the hemoglobin/Fe.sub.3O.sub.4 composite, and removing (e.g., using a magnet since the composite is magnetic) the hemoglobin/Fe.sub.3O.sub.4 composite from the water.