Overview
Submission Instructions
Recent Publications
Frequently Asked Questions
Research Topics
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IJ
International Journal of Tryptophan Research is an international, peer reviewed journal that focuses on all subjects related to tryptophan research, including isolation, functionality, interactions, analysis, synthesis and industrial production.
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Subject
Neurosciences
Impact Factor
4.1
Quartile
Q1
Open Access Type
Open
ISSN
1178-6469
eISSN
1178-6469
Invitation Only
No
Cost Range
Article processing charges apply for hybrid open access journals, and institutional agreements, prepaid accounts, or discounts may help cover APCs.
Submission Instructions
International Journal Of Tryptophan Research accepts the following article types. Click on an article type to view submission instructions.
Original Research
Cover Letter
Cover letter is required only to disclose any third-party writing or editing assistance or submission made on behalf of the authors by someone not listed as an author. Cover letter must state any third-party writing or editing assistance and whether the submission was made on behalf of the authors by someone not listed as an author.
Abstract
Abstract is required. Abstract must be 250 words. Abstract must be unstructured.
Manuscript
Manuscript must include clearly defined sections with clear heading levels and an unstructured abstract placed between the title and main body. Manuscript must include at least 5 keywords after the abstract and a 'Statements and Declarations' section at the end of the article with each required subheading, using 'Not applicable' where relevant.
References
References and citations must follow AMA style. References must be cited in consecutive numerical order using superscript Arabic numerals, and the reference list must list all authors unless there are more than 6, in which case the first 3 are followed by 'et al.'.
Figures & Tables
Figures, charts, and tables created in Word must be included in the main text, while figures and other files created outside Word must be submitted separately with a placeholder note in the text. Figures must be numbered consecutively and include a number and title, while tables must be editable text in Word with a number and title and must not be submitted as images.
Reviews
Cover Letter
Cover letter is required to disclose any third-party writing or editing assistance and any submission made on behalf of the authors by a non-author. Cover letter must state any third-party writing or editing assistance and whether the submission was made on behalf of the authors by someone not listed as an author.
Abstract
Abstract is required. Abstract must be 250 words. Abstract must be unstructured.
Manuscript
Manuscript must include clearly defined sections and a 'Statements and Declarations' section at the end of the article after the Acknowledgements and Author Contributions sections if applicable. Manuscript must include at least 5 keywords after the abstract and include each required subheading within the 'Statements and Declarations' section, stating 'Not applicable' under any declaration heading that does not apply.
References
References must follow AMA style. References must be cited in consecutive numerical order using superscript Arabic numerals, and the reference list must list all authors unless there are more than 6 authors, in which case the first 3 are followed by 'et al.'.
Figures & Tables
Figures, charts, and tables created in Word must be included in the main text, while figures and other files created outside Word must be submitted separately with a placeholder note in the text for separately submitted figures. Figures must be numbered consecutively and include a number and title, while tables must be labeled as tables, include a number and title plus a header row and/or column, and be editable in Word rather than submitted as images.
Letter To The Editor
Cover Letter
Cover letter must disclose any third-party writing or editing assistance and whether the submission was made on behalf of the authors by someone not listed as an author.
Abstract
Abstract must be unstructured and limited to 250 words. Abstract must be unstructured.
Manuscript
Manuscript must include clearly defined sections and a section headed 'Statements and Declarations' at the end after the Acknowledgements and Author Contributions sections if applicable. Manuscript must include at least 5 keywords after the abstract and include each required subheading under 'Statements and Declarations,' stating 'Not applicable' where relevant.
References
References and citations must follow AMA style. References must be cited in consecutive numerical order using superscript Arabic numerals, and the reference list must list all authors unless there are more than 6, in which case the first 3 are followed by 'et al.'.
Figures & Tables
Figures, charts, and tables created in Word must be included in the main text, while figures and other files created outside Word must be submitted separately with a placeholder note in the text. Tables must be editable text with a number and title, and figures must be numbered consecutively and include a number and title.
Short Report
Cover Letter
If writing or editing assistance from a third party was received or the submission was made on behalf of the authors by a non-author, this must be stated in the covering letter.
Abstract
An abstract is required. Abstract must be 250 words. Abstract must be unstructured.
Manuscript
Short Reports should be no longer than approximately 1,000 words excluding references. Sections and heading levels must be clearly defined and follow a logical order. Include at least 5 keywords after the abstract and a 'Statements and Declarations' section at the end of the article with each required subheading.
References
References and citations must follow AMA style. References must be cited in consecutive numerical order using superscript Arabic numerals, and in the reference list all authors must be listed unless there are more than 6, in which case the first 3 are followed by 'et al.'.
Figures & Tables
Figures, charts, and tables created in Word must be included in the main text, while figures and other files created outside Word must be submitted separately with a placeholder note in the text. Figures must be numbered consecutively and include a number and title, and tables must be editable text with a number and title rather than images.
Technical Advances
Cover Letter
Cover letter is required if writing or editing assistance was received from a third party or if the submission is made on behalf of the authors by someone not listed as an author. Cover letter must disclose any third-party writing or editing assistance and state if the submission was made on behalf of the authors by a non-author.
Abstract
Abstract is required. Abstract must be unstructured and limited to 250 words. Abstract must be unstructured.
Manuscript
Manuscript must include clearly defined sections with clear heading levels in a logical order, and it must contain a 'Statements and Declarations' section at the end after the Acknowledgements and Author Contributions sections if applicable. Manuscript must include at least 5 keywords after the abstract and a 'Statements and Declarations' section containing each required subheading, with 'Not applicable' stated under any declaration heading that does not apply.
References
References and citations must follow AMA style. References must be cited in consecutive numerical order using superscript Arabic numerals, and in the reference list all authors must be named unless there are more than 6, in which case the first 3 are listed followed by 'et al.'.
Figures & Tables
Figures, charts, and tables created in Word must be included in the main text, while figures and other files created outside Word must be submitted separately with a placeholder note in the running text for separately submitted figures. Figures must be numbered consecutively and include a number and title, and tables must be labeled as tables with a number, title, header row and/or column, and be editable text rather than images.
Recent Publications
Corrigendum to “Development of a Novel Method to Quantify Quinolinic Acid in Biological Samples”
-
10.1177/11786469261451529
View Publication
Tryptophan’s Journey Through Pregnancy: The Role of Serotonin
Benoît Gendrot, Cathy Vaillancourt, Guillemette Fouquet
10.1177/11786469261449491
View Publication
Potential Treatment for ADHD Based on Recovery from Tryptophan-Induced Central Fatigue by Powerful Competitive Inhibition of L-System Amino Acid Transporter
Takanobu Yamamoto, Bianca Koleda-Yamamoto
10.1177/11786469261453179
View Publication
Cerebrospinal Fluid, Plasma Tryptophan, Kynurenine, and Kynurenate with Sleep Phenotypes: A Bidirectional Mendelian Randomization Analysis
Qin Xie, Guangya Liu, Xiaolan Liu
10.1177/11786469261441903
View Publication
Rice Bran Arabinoxylan Compound and Tryptophan Metabolism on Quality of Life of Cancer Patients: A Secondary Analysis of the RBAC-QoL Study
Soo Liang Ooi, Benjamin Kimble, Benjamin S. Pak, Peter S. Micalos, Sok Cheon Pak
10.1177/11786469261441904
View Publication
Frequently asked questions
How long does it take to publish?
Median time to first decision is 8 days, time in peer review is 58 days, time from submission to acceptance is 176 days, and time from acceptance to online publication is 48 days.
Reformat to International Journal Of Tryptophan Research using Livewrite PremiumIs a cover letter required?
A covering letter is required when writing assistance or third-party submission is involved, and third-party submissions must also be disclosed in the acknowledgements and covering letter.
Reformat to International Journal Of Tryptophan Research using Livewrite PremiumWhat are the publication costs?
Article processing charges apply for hybrid open access journals. Institutional open access agreements, prepaid accounts, or discounts may help cover APCs.
Reformat to International Journal Of Tryptophan Research using Livewrite PremiumResearch Topics
Tryptophan and brain disorders
Stress Responses and Cortisol
Gut microbiota and health
Bipolar Disorder and Treatment
Diet and metabolism studies
Circadian rhythm and melatonin
Neurotransmitter Receptor Influence on Behavior
Neuroinflammation and Neurodegeneration Mechanisms
Neuroendocrine regulation and behavior
Sirtuins and Resveratrol in Medicine
Mental Health Research Topics
Maternal Mental Health During Pregnancy and Postpartum
Treatment of Major Depression
Fibromyalgia and Chronic Fatigue Syndrome Research
Schizophrenia research and treatment
Biochemical Acid Research Studies
Calcium signaling and nucleotide metabolism
Sleep and related disorders
Pharmacogenetics and Drug Metabolism
Analytical Chemistry and Chromatography
Genetic Neurodegenerative Diseases
Immune cells in cancer
Long-Term Effects of COVID-19
Exercise and Physiological Responses
Multiple Sclerosis Research Studies
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