| Conducting a reference search by research topic | INSTRUCTIONS | EXAMPLES |
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Using wildcard characters
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The singular form of a word finds also the plural, alternative spellings and some synonyms * replaces 0…n characters ? replaces 0 or 1 characters Wildcard characters can be used within a term or at the end of a term, but not at the beginning. A search query cannot contain more than 5 wildcard terms. |
adsor* will match terms such as: adsorption, adsorbent, adsorber |
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Phrases
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Enclosing terms within quotation marks creates a bound phrase - Wildcards cannot be used. - Plurals are matched, but quotes exclude alternative spellings and synonyms.
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“palindromic sequence”
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Boolen operaattorit AND, OR, NOT
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OR operation is executed before AND operation. Use parentheses to override operator precedence. The expression inside the parentheses is executed first. |
(aroma OR flavor) AND (turmeric OR curcumin) |
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Other search types
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Search for substances by substance identifier (CAS Registry Number or chemical name), molecular formulas, substance property or by drawing chemical structures. Biosequence searching BLAST, CDR and Motif search type.
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Links |
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