Scimago Journal & Country Rank

Free Radical Research

Country United Kingdom  - SIR icon
118
H Index
Subject Area and CategoryBiochemistry, Genetics and Molecular Biology
Biochemistry

Medicine
Medicine (miscellaneous)
Publisher Informa Healthcare
Publication typeJournals
ISSN10715762, 10292470
Coverage1985-2020
Scope Free Radical Research aims to publish high-quality research papers, hypotheses and reviews in all areas in the fields of: • Free radicals and other reactive species in biological, clinical, environmental and other systems • Redox signalling • Antioxidants, including diet-derived antioxidants and other relevant aspects of human nutrition • Oxidative damage, mechanisms and measurement Manuscripts should contribute a significant advance to the field, supported by clearly-presented data and statistical analysis. Manuscripts should be as concise as possible subject to the need to present relevant background, data and methods. Reviewers are strongly encouraged to identify areas of the manuscript that could be shortened. FRR discourages papers that are purely descriptive (e.g. a catalogue of changes in antioxidant levels in a human disease or after administering a toxin to an animal).

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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.

CategoryYearQuartile
Biochemistry1999Q2
Biochemistry2000Q2
Biochemistry2001Q2
Biochemistry2002Q2
Biochemistry2003Q2
Biochemistry2004Q2
Biochemistry2005Q2
Biochemistry2006Q2
Biochemistry2007Q2
Biochemistry2008Q2
Biochemistry2009Q2
Biochemistry2010Q2
Biochemistry2011Q2
Biochemistry2012Q2
Biochemistry2013Q2
Biochemistry2014Q2
Biochemistry2015Q2
Biochemistry2016Q2
Biochemistry2017Q2
Biochemistry2018Q2
Biochemistry2019Q2
Medicine (miscellaneous)1999Q1
Medicine (miscellaneous)2000Q1
Medicine (miscellaneous)2001Q1
Medicine (miscellaneous)2002Q1
Medicine (miscellaneous)2003Q1
Medicine (miscellaneous)2004Q1
Medicine (miscellaneous)2005Q1
Medicine (miscellaneous)2006Q1
Medicine (miscellaneous)2007Q1
Medicine (miscellaneous)2008Q1
Medicine (miscellaneous)2009Q1
Medicine (miscellaneous)2010Q1
Medicine (miscellaneous)2011Q1
Medicine (miscellaneous)2012Q1
Medicine (miscellaneous)2013Q1
Medicine (miscellaneous)2014Q1
Medicine (miscellaneous)2015Q1
Medicine (miscellaneous)2016Q1
Medicine (miscellaneous)2017Q1
Medicine (miscellaneous)2018Q2
Medicine (miscellaneous)2019Q2
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.

YearSJR
19990.952
20000.912
20010.989
20021.014
20031.027
20040.909
20050.877
20060.896
20071.058
20081.087
20090.921
20100.844
20110.929
20120.995
20131.111
20140.999
20151.186
20161.114
20171.044
20180.844
20190.772
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 documentYearValue
Cites / Doc. (4 years)19992.519
Cites / Doc. (4 years)20002.777
Cites / Doc. (4 years)20012.861
Cites / Doc. (4 years)20023.296
Cites / Doc. (4 years)20033.273
Cites / Doc. (4 years)20043.106
Cites / Doc. (4 years)20052.967
Cites / Doc. (4 years)20063.122
Cites / Doc. (4 years)20073.275
Cites / Doc. (4 years)20083.221
Cites / Doc. (4 years)20093.047
Cites / Doc. (4 years)20103.195
Cites / Doc. (4 years)20112.861
Cites / Doc. (4 years)20123.385
Cites / Doc. (4 years)20133.463
Cites / Doc. (4 years)20143.405
Cites / Doc. (4 years)20153.515
Cites / Doc. (4 years)20163.399
Cites / Doc. (4 years)20173.384
Cites / Doc. (4 years)20183.105
Cites / Doc. (4 years)20193.000
Cites / Doc. (3 years)19992.519
Cites / Doc. (3 years)20002.769
Cites / Doc. (3 years)20012.965
Cites / Doc. (3 years)20023.219
Cites / Doc. (3 years)20033.043
Cites / Doc. (3 years)20042.961
Cites / Doc. (3 years)20052.911
Cites / Doc. (3 years)20062.971
Cites / Doc. (3 years)20073.276
Cites / Doc. (3 years)20083.208
Cites / Doc. (3 years)20093.007
Cites / Doc. (3 years)20102.733
Cites / Doc. (3 years)20113.047
Cites / Doc. (3 years)20123.507
Cites / Doc. (3 years)20133.688
Cites / Doc. (3 years)20143.265
Cites / Doc. (3 years)20153.496
Cites / Doc. (3 years)20163.474
Cites / Doc. (3 years)20173.248
Cites / Doc. (3 years)20183.046
Cites / Doc. (3 years)20192.862
Cites / Doc. (2 years)19992.316
Cites / Doc. (2 years)20002.664
Cites / Doc. (2 years)20012.902
Cites / Doc. (2 years)20022.792
Cites / Doc. (2 years)20032.814
Cites / Doc. (2 years)20042.898
Cites / Doc. (2 years)20052.505
Cites / Doc. (2 years)20062.810
Cites / Doc. (2 years)20073.185
Cites / Doc. (2 years)20083.076
Cites / Doc. (2 years)20092.380
Cites / Doc. (2 years)20102.832
Cites / Doc. (2 years)20113.079
Cites / Doc. (2 years)20123.738
Cites / Doc. (2 years)20133.374
Cites / Doc. (2 years)20143.277
Cites / Doc. (2 years)20153.410
Cites / Doc. (2 years)20163.388
Cites / Doc. (2 years)20173.146
Cites / Doc. (2 years)20182.836
Cites / Doc. (2 years)20192.726
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.

CitesYearValue
Self Cites199959
Self Cites2000106
Self Cites200156
Self Cites200268
Self Cites200384
Self Cites200461
Self Cites200564
Self Cites200667
Self Cites200758
Self Cites200847
Self Cites200942
Self Cites201030
Self Cites201130
Self Cites201249
Self Cites201329
Self Cites201431
Self Cites201550
Self Cites201656
Self Cites201728
Self Cites201832
Self Cites201936
Total Cites1999854
Total Cites20001091
Total Cites20011254
Total Cites20021410
Total Cites20031360
Total Cites20041350
Total Cites20051345
Total Cites20061337
Total Cites20071458
Total Cites20081437
Total Cites20091227
Total Cites20101063
Total Cites20111100
Total Cites20121329
Total Cites20131420
Total Cites20141234
Total Cites20151374
Total Cites20161334
Total Cites20171299
Total Cites20181060
Total Cites2019993
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.

CitesYearValue
External Cites per document19992.345
External Cites per document20002.500
External Cites per document20012.832
External Cites per document20023.064
External Cites per document20032.855
External Cites per document20042.827
External Cites per document20052.773
External Cites per document20062.822
External Cites per document20073.146
External Cites per document20083.103
External Cites per document20092.904
External Cites per document20102.656
External Cites per document20112.964
External Cites per document20123.377
External Cites per document20133.613
External Cites per document20143.183
External Cites per document20153.369
External Cites per document20163.328
External Cites per document20173.178
External Cites per document20182.954
External Cites per document20192.758
Cites per document19992.519
Cites per document20002.769
Cites per document20012.965
Cites per document20023.219
Cites per document20033.043
Cites per document20042.961
Cites per document20052.911
Cites per document20062.971
Cites per document20073.276
Cites per document20083.208
Cites per document20093.007
Cites per document20102.733
Cites per document20113.047
Cites per document20123.507
Cites per document20133.688
Cites per document20143.265
Cites per document20153.496
Cites per document20163.474
Cites per document20173.248
Cites per document20183.046
Cites per document20192.862
% 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.

YearInternational Collaboration
199917.65
200016.33
200113.19
200215.98
200318.99
200415.79
200522.82
200623.53
200720.65
200820.91
200922.22
201028.80
201132.31
201227.78
201317.65
201416.67
201519.70
201625.19
201724.18
201824.22
201923.33
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.

DocumentsYearValue
Non-citable documents19997
Non-citable documents20009
Non-citable documents20018
Non-citable documents20026
Non-citable documents200313
Non-citable documents200415
Non-citable documents200517
Non-citable documents20069
Non-citable documents20079
Non-citable documents20089
Non-citable documents200910
Non-citable documents201011
Non-citable documents20119
Non-citable documents201211
Non-citable documents201314
Non-citable documents201415
Non-citable documents201514
Non-citable documents201611
Non-citable documents201711
Non-citable documents201810
Non-citable documents20197
Citable documents1999339
Citable documents2000394
Citable documents2001423
Citable documents2002438
Citable documents2003447
Citable documents2004456
Citable documents2005462
Citable documents2006450
Citable documents2007445
Citable documents2008448
Citable documents2009408
Citable documents2010389
Citable documents2011361
Citable documents2012379
Citable documents2013385
Citable documents2014378
Citable documents2015393
Citable documents2016384
Citable documents2017400
Citable documents2018348
Citable documents2019347
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents199989
Uncited documents2000107
Uncited documents2001105
Uncited documents200299
Uncited documents2003111
Uncited documents2004106
Uncited documents2005120
Uncited documents200697
Uncited documents200771
Uncited documents200893
Uncited documents200991
Uncited documents201081
Uncited documents201182
Uncited documents201270
Uncited documents201371
Uncited documents201472
Uncited documents201584
Uncited documents201667
Uncited documents201753
Uncited documents201870
Uncited documents201991
Cited documents1999257
Cited documents2000296
Cited documents2001326
Cited documents2002345
Cited documents2003349
Cited documents2004365
Cited documents2005359
Cited documents2006362
Cited documents2007383
Cited documents2008364
Cited documents2009327
Cited documents2010319
Cited documents2011288
Cited documents2012320
Cited documents2013328
Cited documents2014321
Cited documents2015323
Cited documents2016328
Cited documents2017358
Cited documents2018288
Cited documents2019263
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