Current Protocols in Nucleic Acid Chemistry

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 each Current Protocols title is to provide the clearest, most detailed and reliable step-by-step instructions for all protocols relevant to a given subject area. Written by experts in the field and extensively edited to our exacting standards, the protocols include all of the information necessary to complete an experiment in the laboratory—introduction, materials lists with supplier information, detailed step-by-step procedures with helpful annotations, recipes for reagents and solutions, illustrative figures and information-packed tables. Each article also provides invaluable discussions of background information, applications of the methods, important assumptions, key parameters, time considerations, and tips to help avoid common pitfalls and troubleshoot experiments. Furthermore, Current Protocols content is thoughtfully organized by topic for optimal usage and to maximize contextual knowledge. Quarterly issues allow Current Protocols in Nucleic Acid Chemistry to constantly evolve to keep pace with the newest discoveries and developments. Current Protocols in Nucleic Acid Chemistry is the comprehensive resource for detailed protocols related to nucleosides, nucleotides, and nucleic acids. CPNC brings together hundreds of core and cutting edge techniques for synthesis and analysis. Synthesis protocols include characterization data needed to verify that the desired products are obtained.

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Category	Year	Quartile
Biochemistry	2001	Q4
Biochemistry	2002	Q4
Biochemistry	2003	Q4
Biochemistry	2004	Q4
Biochemistry	2005	Q4
Biochemistry	2006	Q4
Biochemistry	2007	Q4
Biochemistry	2008	Q4
Biochemistry	2009	Q4
Biochemistry	2010	Q4
Biochemistry	2011	Q3
Biochemistry	2012	Q3
Biochemistry	2013	Q4
Biochemistry	2014	Q4
Biochemistry	2015	Q3
Biochemistry	2016	Q4
Biochemistry	2017	Q3
Biochemistry	2018	Q3
Biochemistry	2019	Q4
Biochemistry	2020	Q4
Biochemistry	2021	Q4
Biochemistry	2022	Q4
Biochemistry	2023	Q4
Medicine (miscellaneous)	2001	Q3
Medicine (miscellaneous)	2002	Q4
Medicine (miscellaneous)	2003	Q3
Medicine (miscellaneous)	2004	Q4
Medicine (miscellaneous)	2005	Q3
Medicine (miscellaneous)	2006	Q4
Medicine (miscellaneous)	2007	Q4
Medicine (miscellaneous)	2008	Q4
Medicine (miscellaneous)	2009	Q3
Medicine (miscellaneous)	2010	Q3
Medicine (miscellaneous)	2011	Q2
Medicine (miscellaneous)	2012	Q2
Medicine (miscellaneous)	2013	Q3
Medicine (miscellaneous)	2014	Q3
Medicine (miscellaneous)	2015	Q3
Medicine (miscellaneous)	2016	Q3
Medicine (miscellaneous)	2017	Q3
Medicine (miscellaneous)	2018	Q2
Medicine (miscellaneous)	2019	Q3
Medicine (miscellaneous)	2020	Q3
Medicine (miscellaneous)	2021	Q3
Medicine (miscellaneous)	2022	Q3
Medicine (miscellaneous)	2023	Q4
Organic Chemistry	2001	Q4
Organic Chemistry	2002	Q4
Organic Chemistry	2003	Q4
Organic Chemistry	2004	Q4
Organic Chemistry	2005	Q4
Organic Chemistry	2006	Q4
Organic Chemistry	2007	Q4
Organic Chemistry	2008	Q4
Organic Chemistry	2009	Q4
Organic Chemistry	2010	Q4
Organic Chemistry	2011	Q3
Organic Chemistry	2012	Q3
Organic Chemistry	2013	Q4
Organic Chemistry	2014	Q3
Organic Chemistry	2015	Q3
Organic Chemistry	2016	Q4
Organic Chemistry	2017	Q3
Organic Chemistry	2018	Q2
Organic Chemistry	2019	Q4
Organic Chemistry	2020	Q4
Organic Chemistry	2021	Q3
Organic Chemistry	2022	Q4
Organic Chemistry	2023	Q4

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
2001	0.121
2002	0.100
2003	0.114
2004	0.102
2005	0.114
2006	0.114
2007	0.100
2008	0.109
2009	0.131
2010	0.224
2011	0.438
2012	0.360
2013	0.294
2014	0.299
2015	0.386
2016	0.230
2017	0.389
2018	0.532
2019	0.239
2020	0.306
2021	0.316
2022	0.260
2023	0.240

Total Documents

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

Year	Documents
2000	1
2001	73
2002	18
2003	16
2004	15
2005	11
2006	16
2007	20
2008	25
2009	23
2010	21
2011	21
2012	23
2013	19
2014	20
2015	22
2016	20
2017	25
2018	19
2019	23
2020	22
2021	0
2022	0
2023	0

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)	2000	0.000
Cites / Doc. (4 years)	2001	0.000
Cites / Doc. (4 years)	2002	0.000
Cites / Doc. (4 years)	2003	0.054
Cites / Doc. (4 years)	2004	0.019
Cites / Doc. (4 years)	2005	0.033
Cites / Doc. (4 years)	2006	0.150
Cites / Doc. (4 years)	2007	0.052
Cites / Doc. (4 years)	2008	0.032
Cites / Doc. (4 years)	2009	0.208
Cites / Doc. (4 years)	2010	0.452
Cites / Doc. (4 years)	2011	0.528
Cites / Doc. (4 years)	2012	0.700
Cites / Doc. (4 years)	2013	0.693
Cites / Doc. (4 years)	2014	0.619
Cites / Doc. (4 years)	2015	0.831
Cites / Doc. (4 years)	2016	0.833
Cites / Doc. (4 years)	2017	0.642
Cites / Doc. (4 years)	2018	0.736
Cites / Doc. (4 years)	2019	0.826
Cites / Doc. (4 years)	2020	0.839
Cites / Doc. (4 years)	2021	0.730
Cites / Doc. (4 years)	2022	0.766
Cites / Doc. (4 years)	2023	0.956
Cites / Doc. (3 years)	2000	0.000
Cites / Doc. (3 years)	2001	0.000
Cites / Doc. (3 years)	2002	0.000
Cites / Doc. (3 years)	2003	0.054
Cites / Doc. (3 years)	2004	0.019
Cites / Doc. (3 years)	2005	0.041
Cites / Doc. (3 years)	2006	0.190
Cites / Doc. (3 years)	2007	0.024
Cites / Doc. (3 years)	2008	0.021
Cites / Doc. (3 years)	2009	0.213
Cites / Doc. (3 years)	2010	0.544
Cites / Doc. (3 years)	2011	0.594
Cites / Doc. (3 years)	2012	0.815
Cites / Doc. (3 years)	2013	0.662
Cites / Doc. (3 years)	2014	0.683
Cites / Doc. (3 years)	2015	0.694
Cites / Doc. (3 years)	2016	0.705
Cites / Doc. (3 years)	2017	0.726
Cites / Doc. (3 years)	2018	0.806
Cites / Doc. (3 years)	2019	0.844
Cites / Doc. (3 years)	2020	0.761
Cites / Doc. (3 years)	2021	0.656
Cites / Doc. (3 years)	2022	0.867
Cites / Doc. (3 years)	2023	1.045
Cites / Doc. (2 years)	2000	0.000
Cites / Doc. (2 years)	2001	0.000
Cites / Doc. (2 years)	2002	0.000
Cites / Doc. (2 years)	2003	0.055
Cites / Doc. (2 years)	2004	0.000
Cites / Doc. (2 years)	2005	0.065
Cites / Doc. (2 years)	2006	0.231
Cites / Doc. (2 years)	2007	0.037
Cites / Doc. (2 years)	2008	0.028
Cites / Doc. (2 years)	2009	0.289
Cites / Doc. (2 years)	2010	0.479
Cites / Doc. (2 years)	2011	0.636
Cites / Doc. (2 years)	2012	0.667
Cites / Doc. (2 years)	2013	0.682
Cites / Doc. (2 years)	2014	0.619
Cites / Doc. (2 years)	2015	0.590
Cites / Doc. (2 years)	2016	0.690
Cites / Doc. (2 years)	2017	0.571
Cites / Doc. (2 years)	2018	0.911
Cites / Doc. (2 years)	2019	0.864
Cites / Doc. (2 years)	2020	0.714
Cites / Doc. (2 years)	2021	0.511
Cites / Doc. (2 years)	2022	0.773
Cites / Doc. (2 years)	2023	0.000

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	2000	0
Self Cites	2001	0
Self Cites	2002	0
Self Cites	2003	0
Self Cites	2004	0
Self Cites	2005	0
Self Cites	2006	0
Self Cites	2007	0
Self Cites	2008	0
Self Cites	2009	0
Self Cites	2010	0
Self Cites	2011	1
Self Cites	2012	1
Self Cites	2013	1
Self Cites	2014	1
Self Cites	2015	2
Self Cites	2016	10
Self Cites	2017	9
Self Cites	2018	6
Self Cites	2019	4
Self Cites	2020	2
Self Cites	2021	0
Self Cites	2022	0
Self Cites	2023	0
Total Cites	2000	0
Total Cites	2001	0
Total Cites	2002	0
Total Cites	2003	5
Total Cites	2004	2
Total Cites	2005	2
Total Cites	2006	8
Total Cites	2007	1
Total Cites	2008	1
Total Cites	2009	13
Total Cites	2010	37
Total Cites	2011	41
Total Cites	2012	53
Total Cites	2013	43
Total Cites	2014	43
Total Cites	2015	43
Total Cites	2016	43
Total Cites	2017	45
Total Cites	2018	54
Total Cites	2019	54
Total Cites	2020	51
Total Cites	2021	42
Total Cites	2022	39
Total Cites	2023	23

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	2000	0
External Cites per document	2001	0.000
External Cites per document	2002	0.000
External Cites per document	2003	0.054
External Cites per document	2004	0.019
External Cites per document	2005	0.041
External Cites per document	2006	0.190
External Cites per document	2007	0.024
External Cites per document	2008	0.021
External Cites per document	2009	0.213
External Cites per document	2010	0.544
External Cites per document	2011	0.580
External Cites per document	2012	0.800
External Cites per document	2013	0.646
External Cites per document	2014	0.667
External Cites per document	2015	0.661
External Cites per document	2016	0.541
External Cites per document	2017	0.581
External Cites per document	2018	0.716
External Cites per document	2019	0.781
External Cites per document	2020	0.731
External Cites per document	2021	0.656
External Cites per document	2022	0.867
External Cites per document	2023	1.045
Cites per document	2000	0.000
Cites per document	2001	0.000
Cites per document	2002	0.000
Cites per document	2003	0.054
Cites per document	2004	0.019
Cites per document	2005	0.041
Cites per document	2006	0.190
Cites per document	2007	0.024
Cites per document	2008	0.021
Cites per document	2009	0.213
Cites per document	2010	0.544
Cites per document	2011	0.594
Cites per document	2012	0.815
Cites per document	2013	0.662
Cites per document	2014	0.683
Cites per document	2015	0.694
Cites per document	2016	0.705
Cites per document	2017	0.726
Cites per document	2018	0.806
Cites per document	2019	0.844
Cites per document	2020	0.761
Cites per document	2021	0.656
Cites per document	2022	0.867
Cites per document	2023	1.045

% 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
2000	0.00
2001	0.00
2002	0.00
2003	0.00
2004	0.00
2005	0.00
2006	0.00
2007	0.00
2008	8.00
2009	13.04
2010	4.76
2011	0.00
2012	13.04
2013	10.53
2014	15.00
2015	31.82
2016	15.00
2017	4.00
2018	15.79
2019	30.43
2020	18.18
2021	0
2022	0
2023	0

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.

Documents	Year	Value
Non-citable documents	2000	0
Non-citable documents	2001	0
Non-citable documents	2002	0
Non-citable documents	2003	0
Non-citable documents	2004	0
Non-citable documents	2005	0
Non-citable documents	2006	0
Non-citable documents	2007	0
Non-citable documents	2008	0
Non-citable documents	2009	8
Non-citable documents	2010	16
Non-citable documents	2011	23
Non-citable documents	2012	15
Non-citable documents	2013	7
Non-citable documents	2014	0
Non-citable documents	2015	0
Non-citable documents	2016	0
Non-citable documents	2017	0
Non-citable documents	2018	0
Non-citable documents	2019	0
Non-citable documents	2020	0
Non-citable documents	2021	0
Non-citable documents	2022	0
Non-citable documents	2023	0
Citable documents	2000	0
Citable documents	2001	1
Citable documents	2002	74
Citable documents	2003	92
Citable documents	2004	107
Citable documents	2005	49
Citable documents	2006	42
Citable documents	2007	42
Citable documents	2008	47
Citable documents	2009	53
Citable documents	2010	52
Citable documents	2011	46
Citable documents	2012	50
Citable documents	2013	58
Citable documents	2014	63
Citable documents	2015	62
Citable documents	2016	61
Citable documents	2017	62
Citable documents	2018	67
Citable documents	2019	64
Citable documents	2020	67
Citable documents	2021	64
Citable documents	2022	45
Citable documents	2023	22

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.

Documents	Year	Value
Uncited documents	2000	0
Uncited documents	2001	1
Uncited documents	2002	74
Uncited documents	2003	87
Uncited documents	2004	105
Uncited documents	2005	47
Uncited documents	2006	39
Uncited documents	2007	41
Uncited documents	2008	46
Uncited documents	2009	55
Uncited documents	2010	49
Uncited documents	2011	50
Uncited documents	2012	42
Uncited documents	2013	41
Uncited documents	2014	41
Uncited documents	2015	37
Uncited documents	2016	34
Uncited documents	2017	35
Uncited documents	2018	36
Uncited documents	2019	28
Uncited documents	2020	37
Uncited documents	2021	41
Uncited documents	2022	25
Uncited documents	2023	12
Cited documents	2000	0
Cited documents	2001	0
Cited documents	2002	0
Cited documents	2003	5
Cited documents	2004	2
Cited documents	2005	2
Cited documents	2006	3
Cited documents	2007	1
Cited documents	2008	1
Cited documents	2009	6
Cited documents	2010	19
Cited documents	2011	19
Cited documents	2012	23
Cited documents	2013	24
Cited documents	2014	22
Cited documents	2015	25
Cited documents	2016	27
Cited documents	2017	27
Cited documents	2018	31
Cited documents	2019	36
Cited documents	2020	30
Cited documents	2021	23
Cited documents	2022	20
Cited documents	2023	10