| 单词 | Metal Antagonists |
| 释义 | Metal Antagonists《英文msh词典》Metal Antagonists [同义词] Metal Antagonists [主题词] Chelating Agents [中文释义] 金属拮抗剂 [英文释义] Organic chemicals that form two or more coordination bonds with a central metal ion. Heterocyclic rings are formed with the central metal atom as part of the ring. Some biological systems form metal chelates,e.g.,the iron-binding porphyrin group of hemoglobin and the magnesium-binding chlorophyll of plants. (From Hawley's Condensed Chemical Dictionary,12th ed) They are used chemically to remove ions from solutions,medicinally against microorganisms,to treat metal poisoning,and in chemotherapy protocols. |
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