{"id":1149,"date":"2026-07-07T10:14:00","date_gmt":"2026-07-07T10:14:00","guid":{"rendered":"https:\/\/www.editage.com\/blog\/?p=1149"},"modified":"2026-07-07T03:07:35","modified_gmt":"2026-07-07T03:07:35","slug":"capitalization-academic-writing","status":"publish","type":"post","link":"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/","title":{"rendered":"Capitalization in Academic Writing: Rules and Examples"},"content":{"rendered":"\n<p><strong>Key Takeaways<\/strong><\/p>\n\n\n\n<ul><li>Capitalize proper nouns, official names, languages, organizations, and the first word of every sentence.<\/li><li>Use lowercase for common nouns, academic disciplines, most diseases, statistical methods, and chemical elements, unless style conventions require otherwise.<\/li><li>Pay attention to discipline-specific conventions, especially for gene names, drug names, diseases, and astronomical terms.<\/li><li>Maintain consistent capitalization across the entire manuscript, including headings, tables, figures, and references.<\/li><li>When in doubt, consult the style guide of your target journal or institution, as publisher-specific house styles may override general English rules.<\/li><\/ul>\n\n\n\n<p>Contents<\/p>\n\n\n\n<ul><li><a href=\"#_Toc234071476\">Why Capitalization Matters<\/a><\/li><li><a href=\"#_Toc234071477\">General Rules of Capitalization<\/a><\/li><li><a href=\"#_Toc234071478\">Common Capitalization Mistakes<\/a><\/li><li><a href=\"#_Toc234071479\">Quick Reference Table<\/a><\/li><li><a href=\"#_Toc234071480\">Sentence Case vs Title Case<\/a><\/li><li><a href=\"#_Toc234071481\">Scientific Names of Organisms<\/a><\/li><\/ul>\n\n\n\n<p>Capitalization is one of the simplest aspects of English grammar, yet it is frequently applied incorrectly in academic writing. Inconsistent capitalization can make a <a href=\"https:\/\/www.editage.com\/blog\/how-to-write-a-good-research-paper\/\">research paper<\/a> or <a href=\"https:\/\/www.editage.com\/blog\/what-is-a-dissertation-best-practices\/\">dissertation<\/a> appear unprofessional, distract reviewers, and even create ambiguity. While most journals and universities follow standard English capitalization rules, they also have discipline-specific conventions and house styles that authors should follow consistently.<\/p>\n\n\n\n<p>This guide explains the rules of capitalization in academic writing, highlights common mistakes, and provides examples from the social sciences, biomedical sciences, and physical sciences.<\/p>\n\n\n\n<h2><a id=\"_Toc234071476\">Why Capitalization Matters<\/a><\/h2>\n\n\n\n<p>Proper capitalization helps readers:<\/p>\n\n\n\n<ul><li>Identify proper nouns and official names<\/li><li>Distinguish specific entities from general terms<\/li><li>Improve readability<\/li><li>Maintain consistency throughout a manuscript<\/li><li>Demonstrate attention to detail<\/li><\/ul>\n\n\n\n<p>Although capitalization errors rarely lead to manuscript rejection on their own, they can contribute to a negative impression of writing quality.<\/p>\n\n\n\n<h2><a id=\"_Toc234071477\">General Rules of Capitalization<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Capitalize<\/strong><\/td><td><strong>Do Not Capitalize<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Beginning of a sentence<\/td><td>Common nouns<\/td><\/tr><tr><td>Proper nouns<\/td><td>General disciplines<\/td><\/tr><tr><td>Official organization names<\/td><td>Generic job titles<\/td><\/tr><tr><td>Countries and cities<\/td><td>Seasons<\/td><\/tr><tr><td>Languages<\/td><td>Most disease names<\/td><\/tr><tr><td>Days and months<\/td><td>Compass directions used generally<\/td><\/tr><tr><td>Specific course names<\/td><td>Generic course subjects<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3>Rule 1: Capitalize the First Word of Every Sentence<\/h3>\n\n\n\n<p>Every sentence begins with a capital letter.<\/p>\n\n\n\n<h4>Correct<\/h4>\n\n\n\n<ul><li>Participants completed the survey.<\/li><li>Results indicated a significant association.<\/li><\/ul>\n\n\n\n<h4>Incorrect<\/h4>\n\n\n\n<ul><li>participants completed the survey.<\/li><li>results indicated a significant association.<\/li><\/ul>\n\n\n\n<h3>Rule 2: Capitalize Proper Nouns<\/h3>\n\n\n\n<p>Proper nouns refer to specific people, places, organizations, institutions, or products.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Capitalize<\/strong><\/td><td><strong>Do Not Capitalize<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Harvard University<\/td><td>universities<\/td><\/tr><tr><td>World Health Organization<\/td><td>health organizations<\/td><\/tr><tr><td>Amazon River<\/td><td>rivers<\/td><\/tr><tr><td>India<\/td><td>countries<\/td><\/tr><tr><td>European Union<\/td><td>political unions<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4>Correct:<\/h4>\n\n\n\n<ul><li>Students from the <strong>University of Delhi<\/strong> participated.<\/li><li>Samples were obtained from <strong>Mayo Clinic<\/strong>.<\/li><li>&nbsp;<\/li><\/ul>\n\n\n\n<h4>Incorrect:<\/h4>\n\n\n\n<ul><li>Students from the <strong>university of Delhi<\/strong> participated.<\/li><\/ul>\n\n\n\n<h3>Rule 3: Capitalize Official Department and Course Names<\/h3>\n\n\n\n<p>Capitalize official names.<\/p>\n\n\n\n<p>Correct:<\/p>\n\n\n\n<ul><li>Department of Psychology<\/li><li>School of Nursing<\/li><li>Introduction to Organic Chemistry<\/li><\/ul>\n\n\n\n<p>Do not capitalize when referring generally.<\/p>\n\n\n\n<h4>Example<\/h4>\n\n\n\n<ul><li>the psychology department of a university<\/li><li>an organic chemistry course<\/li><\/ul>\n\n\n\n<h3>Rule 4: Do Not Capitalize Academic Disciplines<\/h3>\n\n\n\n<p>Academic fields are generally lowercase unless derived from proper nouns.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Correct<\/strong><\/td><td><strong>Incorrect<\/strong><\/td><\/tr><\/thead><tbody><tr><td>biology<\/td><td>Biology<\/td><\/tr><tr><td>chemistry<\/td><td>Chemistry<\/td><\/tr><tr><td>sociology<\/td><td>Sociology<\/td><\/tr><tr><td>economics<\/td><td>Economics<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4>Exceptions:<\/h4>\n\n\n\n<ul><li>English<\/li><li>French<\/li><li>Latin<\/li><li>Arabic<\/li><\/ul>\n\n\n\n<h4>Example:<\/h4>\n\n\n\n<ul><li>She studies biology and English.<\/li><\/ul>\n\n\n\n<h3>Rule 5: Capitalize Languages<\/h3>\n\n\n\n<p>Languages are always capitalized.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Correct<\/strong><\/td><td><strong>Incorrect<\/strong><\/td><\/tr><\/thead><tbody><tr><td>English<\/td><td>english<\/td><\/tr><tr><td>Mandarin<\/td><td>mandarin<\/td><\/tr><tr><td>Spanish<\/td><td>spanish<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3>Rule 6: Capitalize Official Study Names<\/h3>\n\n\n\n<p>Official study or project names are proper nouns.<\/p>\n\n\n\n<h4>Correct:<\/h4>\n\n\n\n<ul><li>Framingham Heart Study<\/li><li>UK Biobank<\/li><li>Human Genome Project<\/li><\/ul>\n\n\n\n<p>General references remain lowercase.<\/p>\n\n\n\n<h4>Correct:<\/h4>\n\n\n\n<ul><li>We conducted a cohort study.<\/li><li>Participants were recruited for a clinical trial.<\/li><\/ul>\n\n\n\n<h3>Rule 7: Capitalize Specific Geographic Regions<\/h3>\n\n\n\n<p>Capitalize recognized regions.<\/p>\n\n\n\n<p>Examples<\/p>\n\n\n\n<ul><li>South Asia<\/li><li>Middle East<\/li><li>Western Europe<\/li><li>Arctic Ocean<\/li><\/ul>\n\n\n\n<p>Do not capitalize general directions.<\/p>\n\n\n\n<h4>Correct:<\/h4>\n\n\n\n<ul><li>northern India<\/li><li>western coast<\/li><li>southern region<\/li><\/ul>\n\n\n\n<h3>Rule 8: Capitalize Names of Tests and Instruments<\/h3>\n\n\n\n<p>Official assessment tools are capitalized.<\/p>\n\n\n\n<h4>Examples<\/h4>\n\n\n\n<ul><li>Beck Depression Inventory<\/li><li>Mini Mental State Examination<\/li><li>Wechsler Adult Intelligence Scale<\/li><\/ul>\n\n\n\n<p>General descriptions remain lowercase.<\/p>\n\n\n\n<h4>Correct:<\/h4>\n\n\n\n<ul><li>a depression questionnaire<\/li><\/ul>\n\n\n\n<h3>Rule 9: Capitalize Trade Names but Not Generic Drug Names<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Generic Name<\/strong><\/td><td><strong>Brand Name<\/strong><\/td><\/tr><\/thead><tbody><tr><td>ibuprofen<\/td><td>Advil<\/td><\/tr><tr><td>acetaminophen<\/td><td>Tylenol<\/td><\/tr><tr><td>metformin<\/td><td>Glucophage<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4>Correct:<\/h4>\n\n\n\n<ul><li>Participants received ibuprofen.<\/li><li>Participants received Advil.<\/li><\/ul>\n\n\n\n<h3>Rule 10: Most Disease Names Are Lowercase<\/h3>\n\n\n\n<p>Disease names are usually lowercase.<\/p>\n\n\n\n<p>Correct<\/p>\n\n\n\n<ul><li>diabetes<\/li><li>influenza<\/li><li>tuberculosis<\/li><li>malaria<\/li><\/ul>\n\n\n\n<p>Exceptions occur when a proper noun is included.<\/p>\n\n\n\n<p>Examples<\/p>\n\n\n\n<ul><li>Parkinson disease<\/li><li>Alzheimer disease<\/li><li>Crohn disease<\/li><li>Lyme disease<\/li><\/ul>\n\n\n\n<h3>Rule 11: Gene Versus Protein Names<\/h3>\n\n\n\n<p>The general convention is as follows: human genes (uppercase and italic), human proteins (uppercase), mouse genes (first letter only uppercase and italic) and mouse proteins (uppercase).&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Correct<\/strong><\/td><td><strong>Incorrect<\/strong><\/td><\/tr><\/thead><tbody><tr><td>p53 protein<\/td><td><em>p53<\/em> protein<\/td><\/tr><tr><td>BRCA1 protein<\/td><td><em>BRCA1 protein<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4>Example:<\/h4>\n\n\n\n<p>Mutations in <em>TP53<\/em> were associated with poor clinical outcomes.<\/p>\n\n\n\n<h3>Rule 12: Chemical Elements and Compounds<\/h3>\n\n\n\n<p>Chemical element names are lowercase.<\/p>\n\n\n\n<p>Correct<\/p>\n\n\n\n<ul><li>hydrogen<\/li><li>oxygen<\/li><li>nitrogen<\/li><li>carbon<\/li><\/ul>\n\n\n\n<p>Chemical symbols use capitals according to standard notation.<\/p>\n\n\n\n<p>Correct<\/p>\n\n\n\n<ul><li>H<\/li><li>O<\/li><li>Na<\/li><li>Fe<\/li><\/ul>\n\n\n\n<h3>Rule 13: Planetary and Astronomical Terms<\/h3>\n\n\n\n<p>General terms remain lowercase.<\/p>\n\n\n\n<ul><li>planet<\/li><li>galaxy<\/li><li>star<\/li><\/ul>\n\n\n\n<p>Specific names are capitalized.<\/p>\n\n\n\n<ul><li>Earth<\/li><li>Mars<\/li><li>Jupiter<\/li><li>Milky Way<\/li><\/ul>\n\n\n\n<h3>Rule 14: Statistical Terms<\/h3>\n\n\n\n<p>Statistical methods are generally lowercase.<\/p>\n\n\n\n<p>Correct<\/p>\n\n\n\n<ul><li>analysis of variance<\/li><li>linear regression<\/li><li>logistic regression<\/li><li>principal component analysis<\/li><\/ul>\n\n\n\n<p>Abbreviations remain capitalized.<\/p>\n\n\n\n<ul><li>ANOVA<\/li><li>ANCOVA<\/li><li>MANOVA<\/li><li>PCA<\/li><\/ul>\n\n\n\n<h2><a id=\"_Toc234071478\">Common Capitalization Mistakes<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Incorrect<\/strong><\/td><td><strong>Correct<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Biology Department<\/td><td>biology department (unless official name)<\/td><\/tr><tr><td>Professor john smith<\/td><td>Professor John Smith<\/td><\/tr><tr><td>Western coast of India<\/td><td>western coast of India<\/td><\/tr><tr><td>The Questionnaire<\/td><td>the questionnaire<\/td><\/tr><tr><td>Clinical Trial<\/td><td>clinical trial<\/td><\/tr><tr><td>Analysis Of Variance<\/td><td>analysis of variance<\/td><\/tr><tr><td>World health organization<\/td><td>World Health Organization<\/td><\/tr><tr><td>The University<\/td><td>the university (unless part of the official name)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3>Tips for Maintaining Consistency<\/h3>\n\n\n\n<ul><li>Decide whether you are following American or British English conventions.<\/li><li>Follow the capitalization rules of your target journal or university style guide.<\/li><li>Capitalize only official names and proper nouns.<\/li><li>Avoid capitalizing words for emphasis.<\/li><li>Use the same capitalization style throughout tables, figures, headings, and appendices.<\/li><li>Check abbreviations carefully because many depend on capitalization.<\/li><li>Verify capitalization in references, as citation styles have specific rules for titles.<\/li><\/ul>\n\n\n\n<h2><a id=\"_Toc234071479\">Quick Reference Table<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Always Capitalize<\/strong><\/td><td><strong>Usually Lowercase<\/strong><\/td><\/tr><\/thead><tbody><tr><td>First word of a sentence or <a href=\"https:\/\/www.editage.com\/blog\/title-research-paper\/\" target=\"_blank\" rel=\"noreferrer noopener\">title<\/a><\/td><td>Academic disciplines<\/td><\/tr><tr><td>Countries<\/td><td>Diseases (except those with proper nouns)<\/td><\/tr><tr><td>Cities<\/td><td>Seasons<\/td><\/tr><tr><td>Languages<\/td><td>Statistical methods<\/td><\/tr><tr><td>Organizations<\/td><td>Common nouns<\/td><\/tr><tr><td>Universities<\/td><td>Generic department names<\/td><\/tr><tr><td>Official project names<\/td><td>Chemical element names<\/td><\/tr><tr><td>Brand names<\/td><td>Generic drug names<\/td><\/tr><tr><td>Gene symbols (following convention)<\/td><td>General scientific terms<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2><a id=\"_Toc234071480\">Sentence Case vs Title Case<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Sentence Case<\/strong><\/td><td><strong>Title Case<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Capitalize only the first word, proper nouns, abbreviations, and the first word after a colon.<\/td><td>Capitalize most major words, including nouns, verbs, adjectives, adverbs, and pronouns. Minor words such as articles and short prepositions are usually lowercase unless they are the first or last word.<\/td><\/tr><tr><td>Common in scientific journals and APA headings<\/td><td>Common in books, reports, and Chicago style headings<\/td><\/tr><tr><td>Example: <em>Factors influencing vaccine acceptance among older adults<\/em><\/td><td>Example: <em>Factors Influencing Vaccine Acceptance Among Older Adults<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Tip:<\/strong> Always follow your target journal&#8217;s or institution&#8217;s style guide rather than choosing a capitalization style yourself.<\/p>\n\n\n\n<h3>Capitalization in Article Titles<\/h3>\n\n\n\n<p>Journal titles generally use either sentence case or title case.<\/p>\n\n\n\n<p><strong>Examples<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Sentence Case<\/strong><\/td><td><strong>Title Case<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Effects of sleep deprivation on working memory<\/td><td>Effects of Sleep Deprivation on Working Memory<\/td><\/tr><tr><td>Social media use among adolescents during the pandemic<\/td><td>Social Media Use Among Adolescents During the Pandemic<\/td><\/tr><tr><td>Machine learning approaches for protein structure prediction<\/td><td>Machine Learning Approaches for Protein Structure Prediction<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Capitalization in Section Headings<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Sentence Case<\/strong><\/td><td><strong>Title Case<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Introduction<\/td><td>Introduction<\/td><\/tr><tr><td>Literature review<\/td><td>Literature Review<\/td><\/tr><tr><td>Materials and methods<\/td><td>Materials and Methods<\/td><\/tr><tr><td>Results<\/td><td>Results<\/td><\/tr><tr><td>Discussion<\/td><td>Discussion<\/td><\/tr><tr><td>Conclusion<\/td><td>Conclusion<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Notice that single-word headings appear identical in both styles.<\/p>\n\n\n\n<h3>Capitalization in Subheadings<\/h3>\n\n\n\n<p>Subheadings should use the same capitalization style as major headings.<\/p>\n\n\n\n<p><strong>Correct Examples<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Sentence Case<\/strong><\/td><td><strong>Title Case<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Participant recruitment<\/td><td>Participant Recruitment<\/td><\/tr><tr><td>Statistical analysis<\/td><td>Statistical Analysis<\/td><\/tr><tr><td>Data collection procedures<\/td><td>Data Collection Procedures<\/td><\/tr><tr><td>Limitations of the study<\/td><td>Limitations of the Study<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Incorrect Examples<\/strong><\/p>\n\n\n\n<p>\u274c Participant Recruitment<\/p>\n\n\n\n<p>\u274c statistical Analysis<\/p>\n\n\n\n<p>\u274c DATA COLLECTION PROCEDURES<\/p>\n\n\n\n<p>Mixing capitalization styles within the same document creates an inconsistent appearance.<\/p>\n\n\n\n<h3>Capitalization in Table Titles<\/h3>\n\n\n\n<p>Table titles are usually placed above the table.<\/p>\n\n\n\n<p>Many scientific journals use sentence case, whereas some publishers prefer title case.<\/p>\n\n\n\n<h4>Examples<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Sentence Case<\/strong><\/td><td><strong>Title Case<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Table 1. Demographic characteristics of study participants<\/td><td>Table 1. Demographic Characteristics of Study Participants<\/td><\/tr><tr><td>Table 2. Comparison of treatment outcomes<\/td><td>Table 2. Comparison of Treatment Outcomes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3>Capitalization in Table Column Headings<\/h3>\n\n\n\n<p>Column headings should be concise and consistent.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Correct<\/strong><\/td><td><strong>Incorrect<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Age (years)<\/td><td>AGE (YEARS)<\/td><\/tr><tr><td>Mean score<\/td><td>Mean Score (unless title case is required)<\/td><\/tr><tr><td>Sample size<\/td><td>Sample Size (unless title case is required)<\/td><\/tr><tr><td>Standard deviation<\/td><td>Standard Deviation (unless title case is required)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Avoid using ALL CAPS for table headings unless specifically required by the publisher.<\/p>\n\n\n\n<h3>Capitalization in Figure Captions<\/h3>\n\n\n\n<p>Figure captions are typically written in sentence case, regardless of the capitalization style used for headings.<\/p>\n\n\n\n<h4>Examples<\/h4>\n\n\n\n<p>Figure 1. Relationship between social support and life satisfaction.<\/p>\n\n\n\n<p>Figure 2. Histological appearance of liver tissue after treatment.<\/p>\n\n\n\n<p>Figure 3. Crystal structure of the synthesized compound.<\/p>\n\n\n\n<h3>Capitalization After a Colon<\/h3>\n\n\n\n<p>The rule depends on the capitalization style.<\/p>\n\n\n\n<h4>Sentence Case<\/h4>\n\n\n\n<p>Capitalize the first word after a colon only if it begins a complete sentence or is a proper noun.<\/p>\n\n\n\n<h4>Title Case<\/h4>\n\n\n\n<p>Major words following a colon are capitalized.<\/p>\n\n\n\n<p><strong>Example<\/strong><\/p>\n\n\n\n<ul><li>Academic Writing: Principles and Best Practices<\/li><\/ul>\n\n\n\n<h2><a id=\"_Toc234071481\">Scientific Names of Organisms<\/a><\/h2>\n\n\n\n<p>The scientific (Latin) names of organisms follow <strong><a href=\"https:\/\/www.editage.com\/blog\/importance-of-binomial-nomenclature-in-life-science-research\/\">binomial nomenclature<\/a><\/strong>.<\/p>\n\n\n\n<h3>Rules<\/h3>\n\n\n\n<ul><li>Capitalize the <strong>genus<\/strong> name.<\/li><li>Write the <strong>species<\/strong> name in lowercase.<\/li><li>Italicize both genus and species.<\/li><li>After the first mention, the genus may be abbreviated.<\/li><\/ul>\n\n\n\n<h3>Examples<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Correct<\/strong><\/td><td><strong>Incorrect<\/strong><\/td><\/tr><\/thead><tbody><tr><td><em>Escherichia coli<\/em><\/td><td><em>escherichia coli<\/em><\/td><\/tr><tr><td><em>Homo sapiens<\/em><\/td><td><em>Homo Sapiens<\/em><\/td><\/tr><tr><td><em>Arabidopsis thaliana<\/em><\/td><td><em>Arabidopsis Thaliana<\/em><\/td><\/tr><tr><td><em>Canis lupus<\/em><\/td><td><em>canis lupus<\/em><\/td><\/tr><tr><td><em>E. coli<\/em> (after first mention)<\/td><td><em>E.Coli<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Example:<\/p>\n\n\n\n<p>Cultures of <em>Escherichia coli<\/em> were incubated for 24 hours. Subsequent experiments used <em>E. coli<\/em>.<\/p>\n\n\n\n<h3>Taxonomic Ranks<\/h3>\n\n\n\n<p>Taxonomic ranks above the genus level are generally capitalized but <strong>not italicized<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Taxonomic Rank<\/strong><\/td><td><strong>Example<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Kingdom<\/td><td>Animalia<\/td><\/tr><tr><td>Phylum<\/td><td>Chordata<\/td><\/tr><tr><td>Class<\/td><td>Mammalia<\/td><\/tr><tr><td>Order<\/td><td>Primates<\/td><\/tr><tr><td>Family<\/td><td>Hominidae<\/td><\/tr><tr><td>Genus<\/td><td><em>Homo<\/em><\/td><\/tr><tr><td>Species<\/td><td><em>Homo sapiens<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"Key Takeaways Capitalize proper nouns, official names, languages, organizations, and the first word of every sentence. Use lowercase for common nouns, academic disciplines, most diseases, statistical methods, and chemical elements, unless style conventions require otherwise. Pay attention to discipline-specific conventions, especially for gene names, drug names, diseases, and astronomical terms. Maintain consistent capitalization across the [&hellip;]","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_ayudawp_aiss_exclude":false,"_ayudawp_aiss_summary":"While most journals and universities follow standard English capitalization rules, they also have discipline-specific conventions and house styles that authors should follow consistently. This guide explains the rules of capitalization in academic writing, highlights common mistakes, and provides examples from the social sciences, biomedical sciences, and physical sciences. Follow the capitalization rules of your target journal or university style guide.","_ayudawp_aiss_summary_provider":"extractive","_ayudawp_aiss_summary_hash":"6dd444460751637aeae6934107876a8151b6862c"},"categories":[14],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Capitalization in Academic Writing: Rules and Examples - Educational Articles For Researchers, Students And Authors - Editage Blog<\/title>\n<meta name=\"description\" content=\"Understand rules of capitalization for academic writing, especially gene and protein names, binomial nomenclature, and sentence vs title case.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Capitalization in Academic Writing: Rules and Examples - Educational Articles For Researchers, Students And Authors - Editage Blog\" \/>\n<meta property=\"og:description\" content=\"Understand rules of capitalization for academic writing, especially gene and protein names, binomial nomenclature, and sentence vs title case.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/\" \/>\n<meta property=\"og:site_name\" content=\"Educational Articles For Researchers, Students And Authors - Editage Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-07T10:14:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-07T03:07:35+00:00\" \/>\n<meta name=\"author\" content=\"Marisha Rodrigues\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marisha Rodrigues\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/\"},\"author\":{\"name\":\"Marisha Rodrigues\",\"@id\":\"https:\/\/www.editage.com\/blog\/#\/schema\/person\/60d7626072744221b2260692486b6ff1\"},\"headline\":\"Capitalization in Academic Writing: Rules and Examples\",\"datePublished\":\"2026-07-07T10:14:00+00:00\",\"dateModified\":\"2026-07-07T03:07:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/\"},\"wordCount\":1515,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.editage.com\/blog\/#organization\"},\"articleSection\":[\"Get Published\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/\",\"url\":\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/\",\"name\":\"Capitalization in Academic Writing: Rules and Examples - Educational Articles For Researchers, Students And Authors - Editage Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.editage.com\/blog\/#website\"},\"datePublished\":\"2026-07-07T10:14:00+00:00\",\"dateModified\":\"2026-07-07T03:07:35+00:00\",\"description\":\"Understand rules of capitalization for academic writing, especially gene and protein names, binomial nomenclature, and sentence vs title case.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.editage.com\/blog\/capitalization-academic-writing\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.editage.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Capitalization in Academic Writing: Rules and Examples\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.editage.com\/blog\/#website\",\"url\":\"https:\/\/www.editage.com\/blog\/\",\"name\":\"Educational Articles For Researchers, Students And Authors - Editage Blog\",\"description\":\"Get insightful educational articles from the world of academia for researchers, students and authors. 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