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Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
The Internet Archive Scholar is a scholarly search engine created by the Internet Archive in 2020. As of February 2024 [update] , it contained over 35 million research articles with full text access.
Cholinesterase inhibitors (ChEIs), also known as anti-cholinesterase, are chemicals that prevent the breakdown of the neurotransmitter acetylcholine or butyrylcholine by cholinesterase. This increases the amount of the acetylcholine or butyrylcholine in the synaptic cleft that can bind to muscarinic receptors , nicotinic receptors and others.
Alexandra Elbakyan at a conference at Harvard (2010). Sci-Hub was created by Alexandra Elbakyan, who was born in Kazakhstan in 1988. [22] Elbakyan earned her undergraduate degree at Kazakh National Technical University [23] studying information technology, then worked for a year for a computer security firm in Moscow, then joined a research team at the University of Freiburg in Germany in 2010 ...
The term 'inhibitor' is often used in a general sense to describe any compound used to prevent unwanted polymerisation, however these compounds are often divided into 'retarders' and 'true inhibitors'. A true inhibitor has a well defined induction period during which no noticeable polymerisation takes place. They are consumed during this period ...
Acetylcholinesterase inhibitors are one of two types of cholinesterase inhibitors; the other being butyryl-cholinesterase inhibitors. [2] Acetylcholinesterase is the primary member of the cholinesterase enzyme family. [3] Acetylcholinesterase inhibitors are classified as reversible, irreversible, or quasi-irreversible (also called pseudo ...
The visible-light part of the action spectrum was found to have a peak in the red-light region, suggesting that chlorophylls act as photoreceptors of photoinhibition. In the 1980s, photoinhibition became a popular topic in photosynthesis research, and the concept of a damaging reaction counteracted by a repair process was re-invented.
The search engine indexed over 260 million publications, [5] 88 million of which are journal articles. [5] Preliminary reviews by bibliometricians suggested the new Microsoft Academic Search was a competitor to Google Scholar, Web of Science, and Scopus for academic research purposes [6] [7] as well as citation analysis.