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Chelation in the intestinal tract is a cause of numerous interactions between drugs and metal ions (also known as "minerals" in nutrition). As examples, antibiotic drugs of the tetracycline and quinolone families are chelators of Fe 2+, Ca 2+, and Mg 2+ ions. [28] [29]
The macrocyclic effect is the high affinity of metal cations for macrocyclic ligands, compared to their acyclic analogues. [7] [8] The high affinity of macrocyclic ligands is thought to be a combination of the entropic effect seen in the chelate effect, together with an additional energetic contribution that comes from the preorganized nature of the ligating groups (that is, no additional ...
Within numerous science fiction settings, the challenges associated with contemporary cryonics are overcome prior to the development of faster-than-light travel, making it a viable means of interstellar transportation. In fictional renditions, the cells typically remain viable, and the revival process is depicted as straightforward or even ...
Science in science fiction is the study or of how science is portrayed in works of science fiction, including novels, stories, and films. It covers a large range of topics. Hard science fiction is based on engineering or the "hard" sciences (for example, physics, astronomy, or chemistry).
Science fiction (sometimes shortened to sci-fi or abbreviated SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.
[4] [5] Chelating agents, such as calcium di sodium defeated, fall into the category of antagonists and operate to minimize the lethal effects of heavy metals such as mercury or lead. [6] In chemistry, antagonism is a phenomenon wherein two or more agents in combination have an overall effect that is less than the sum of their individual effects.
Popular belief: Kit-Kat Reality: Kit Kat Yes, it’s true: A hyphen doesn’t separate the “kit” from “kat.” The brand even addressed the Mandela effect in a tweet from 2016, saying “the ...
For example, a new religious movement is spreading along with the murders: the Sons of Adam, who believe that women are evil, that the Garden of Eden was a paradise before women were introduced, and that God is telling them to get rid of all of the women, and after that, God will either make everyone live forever or reveal a better way to ...