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Page from the notebook of Otto Hahn, 1938. Lab notebook with the complete record of the experiments underlying a published paper. [1] Chemistry stencils that used to be used for drawing equipment in lab notebooks. A laboratory notebook (colloq. lab notebook or lab book) is a primary record of research.
Style conventions for scientific writing vary, with different focuses by different style guides on the use of passive versus active voice, personal pronoun use, and article sectioning. Much scientific writing is focused on scientific reports, traditionally structured as an abstract, introduction, methods, results, conclusions, and acknowledgments.
The title page often shows the title of the work, the person or body responsible for its intellectual content, and the imprint, which contains the name and address of the book's publisher and its date of publication. [2] Particularly in paperback editions it may contain a shorter title than the cover or lack a descriptive subtitle.
A laboratory specimen is sometimes a biological specimen of a medical patient's tissue, fluids, or other samples used for laboratory analysis to assist in differential diagnosis or staging of a disease process. These specimens are often the most reliable method of diagnosis, depending on the ailment.
The abbreviations of genes are according to HUGO Gene Nomenclature Committee and written in italic font style (the full names are also written in italic). It is recommended that abbreviations instead of the full name are used. Human gene names are written in capitals, for example ALDOA, INS, etc.
Biological specimens in an elementary school science lab. A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen. When biological specimens are ...
A certificate of analysis (COA) is a formal laboratory-prepared document that details the results of (and sometimes the specifications and analytical methods for) one or more laboratory analyses, signed—manually or electronically—by an authorized representative of the entity conducting the analyses. This document gives assurances to the ...
Most often the value of the negative control is treated as a "background" value to subtract from the test sample results. Sometimes the positive control takes the quadrant of a standard curve. An example that is often used in teaching laboratories is a controlled protein assay. Students might be given a fluid sample containing an unknown (to ...