Current Protocols

Sound and reproducible laboratory methods are the foundation of scientific discovery. Yet, all too often, nuances that are critical for an experiment’s success are not captured in the primary literature but exist only as part of a lab’s oral tradition. The aim of Current Protocols is to provide the clearest, most detailed, and reliable step-by-step instructions for all protocols relevant to a given scientific subject area. Written by experts in the field and extensively edited to our exacting standards, the protocols are formatted to include all of the information necessary to perform an experiment in the laboratory—introduction, materials lists with sourcing information, detailed step-by-step instructions with helpful annotations, recipes for reagents and solutions, illustrative figures and information-packed tables. Each article provides invaluable discussions of data analysis and interpretation, background information, applications of the methods, important assumptions, key parameters, time considerations, and tips to help avoid common pitfalls and troubleshoot experiments. Current Protocols also publishes overviews which provide theory, strategic planning, and practical advice on particular laboratory methodologies. Current Protocols content is thoughtfully curated for optimal usage and to maximize contextual knowledge. Monthly issues allow Current Protocols to constantly evolve to keep pace with the newest discoveries and developments.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Biochemistry, Genetics and Molecular Biology (miscellaneous)	2022	Q1
Biochemistry, Genetics and Molecular Biology (miscellaneous)	2023	Q1
Health Informatics	2022	Q1
Health Informatics	2023	Q1
Immunology and Microbiology (miscellaneous)	2022	Q1
Immunology and Microbiology (miscellaneous)	2023	Q1
Medical Laboratory Technology	2022	Q1
Medical Laboratory Technology	2023	Q1
Neuroscience (miscellaneous)	2022	Q1
Neuroscience (miscellaneous)	2023	Q1
Pharmacology, Toxicology and Pharmaceutics (miscellaneous)	2022	Q1
Pharmacology, Toxicology and Pharmaceutics (miscellaneous)	2023	Q1

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
2022	1.244
2023	1.520

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
2021	291
2022	288
2023	299

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	2021	0.000
Cites / Doc. (4 years)	2022	3.110
Cites / Doc. (4 years)	2023	3.442
Cites / Doc. (3 years)	2021	0.000
Cites / Doc. (3 years)	2022	3.110
Cites / Doc. (3 years)	2023	3.442
Cites / Doc. (2 years)	2021	0.000
Cites / Doc. (2 years)	2022	3.110
Cites / Doc. (2 years)	2023	3.442

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	2021	0
Self Cites	2022	31
Self Cites	2023	31
Total Cites	2021	0
Total Cites	2022	905
Total Cites	2023	1993

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	2021	0
External Cites per document	2022	3.003
External Cites per document	2023	3.389
Cites per document	2021	0.000
Cites per document	2022	3.110
Cites per document	2023	3.442

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
2021	17.18
2022	16.67
2023	18.06

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.