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BCA protein assay in a 96 well plate. The bicinchoninic acid assay (BCA assay), also known as the Smith assay, after its inventor, Paul K. Smith at the Pierce Chemical Company, [1] now part of Thermo Fisher Scientific, is a biochemical assay for determining the total concentration of protein in a solution (0.5 μg/mL to 1.5 mg/mL), similar to Lowry protein assay, Bradford protein assay or ...
Cleverdon developed a test called ‘known-item searching’ - to check whether an IR system returned the documents that were known to be relevant or correct for a given search. Cleverdon’s experiments established a number of key aspects required for IR evaluation: a test collection, a set of queries and a set of pre-determined relevant items ...
Emanuel Goldberg submits patents for his "Statistical Machine", a document search engine that used photoelectric cells and pattern recognition to search the metadata on rolls of microfilmed documents. 1940s–1950s late 1940s: The US military confronted problems of indexing and retrieval of wartime scientific research documents captured from ...
A search engine lists web pages on the Internet.This facilitates research by offering an immediate variety of applicable options. Possibly useful items on the results list include the source material or the electronic tools that a web site can provide, such as a dictionary, but the list itself, as a whole, can also indicate important information.
Indian Citation Index (ICI) is a home grown abstracts and citation database, with multidisciplinary objective knowledge contents from about 1000 top Indian scholarly journals. It provides powerful search engine to fulfill search and evaluation purposes for researchers, policy makers, decision makers etc. Subscription ICI [78] IARP ...
When seeking online information, many people turn to search engines like Google, Bing, Yahoo, or AOL Search. These search engines function as digital indexes, organizing available content by topic and sub-topic, much like an index in a book. Each search engine builds its index using distinct methods, typically beginning with an automated ...
Editors may also use electronic media, subject to the same criteria (see details in Wikipedia:Identifying reliable sources and Wikipedia:Search engine test). Best sources The best sources have a professional structure for checking or analyzing facts, legal issues, evidence, and arguments.
The phrase "Failed the google test" is a pathetic reason to vote Delete, because, for instance, one school could hire a search engine optimization consultant, spam message boards, etc. and beat out another, more low-tech school (e.g. in Amish country) on the Google test.