polyanionic
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Prion — DiseaseDisorder infobox Name = Prion Diseases (TSEs) ICD10 = A81 ICD9 = ICD9|046 A prion (IPAEng|ˈpriːɒn [OED|Prion] Audio|Pronunciation prion.ogg|listen) is thought to be an infectious agent that, according to current scientific consensus, is… … Wikipedia
Nucleic acid tertiary structure — Example of a large catalytic RNA. The self splicing group II intron from Oceanobacillus iheyensis.[1] The tertiary structure of a nucleic acid is its precise three dimensional structure, as defined by the atomic coordinates.[2] … Wikipedia
Cnidocyte — Not to be confused with Pneumatocyst. Nomarski micrograph of a Ruthenium red stained nematocyst from Aiptasia pallida, the pale anemone. The red dye stains the polyanionic venom proteins found inside the capsule of this partially discharged… … Wikipedia
Magnesium in biology — Magnesium is an essential element in biological systems. Magnesium occurs typically as the Mg2+ ion. It is an essential mineral nutrient for life[1][2][3] and is present in every cell type in every organism. For example, ATP (adenosine… … Wikipedia
Macular degeneration — Classification and external resources Picture of the fundus showing intermediate age related macular degeneration. ICD 10 … Wikipedia
Hyaluronan — Identifiers CAS number 9004 61 9 … Wikipedia
Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… … Wikipedia
Intercalation (chemistry) — Intercalation induces structural distortions. Left: unchanged DNA strand. Right: DNA strand intercalated at three locations (red areas). In chemistry, intercalation is the reversible inclusion of a molecule (or group) between two other molecules… … Wikipedia
Protein tag — Protein tags are peptide sequences genetically grafted onto a recombinant protein. Often these tags are removable by chemical agents or by enzymatic means, such as proteolysis or intein splicing. Tags are attached to proteins for various purposes … Wikipedia
Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… … Wikipedia
