The aggregation of suspended solids into larger clumps.

Precipitin tests which occur over a narrow range of antigen-antibody ratio, due chiefly to peculiarities of the antibody (precipitin). (From Stedman, 26th ed)

An alcoholic beverage usually made from malted cereal grain (as barley), flavored with hops, and brewed by slow fermentation.

A species of motile, free-living, gram-negative bacteria that occur in the soil. They are aerobic or microaerophilic and are sometimes capable of nitrogen fixation.

A genus of RHODOCYCLACEAE occurring as rod-shaped cells embedded in a gelatinous matrix. It includes Z. filipendula.

A subclass of lectins that are specific for CARBOHYDRATES that contain MANNOSE.

Refuse liquid or waste matter carried off by sewers.

A colloidal, hydrated aluminum silicate that swells 12 times its dry size when added to water.

The study, utilization, and manipulation of those microorganisms capable of economically producing desirable substances or changes in substances, and the control of undesirable microorganisms.

The presence of bacteria, viruses, and fungi in water. This term is not restricted to pathogenic organisms.

Contaminated water generated as a waste product of human activity.

The most common mineral of a group of hydrated aluminum silicates, approximately H2Al2Si2O8-H2O. It is prepared for pharmaceutical and medicinal purposes by levigating with water to remove sand, etc. (From Merck Index, 11th ed) The name is derived from Kao-ling (Chinese: "high ridge"), the original site. (From Grant & Hackh's Chemical Dictionary, 5th ed)

A generic term for a variety of compounds that contain silicon, oxygen, and magnesium, and may contain hydrogen. Examples include TALC and some kinds of ASBESTOS.

A genus of ascomycetous fungi of the family Saccharomycetaceae, order SACCHAROMYCETALES.

A genus of the family PICORNAVIRIDAE whose members preferentially inhabit the intestinal tract of a variety of hosts. The genus contains many species. Newly described members of human enteroviruses are assigned continuous numbers with the species designated "human enterovirus".

Polysaccharides consisting of mannose units.

A hexose or fermentable monosaccharide and isomer of glucose from manna, the ash Fraxinus ornus and related plants. (From Grant & Hackh's Chemical Dictionary, 5th ed & Random House Unabridged Dictionary, 2d ed)