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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Molecular Biology 49 2641 2391 1286 1153 108 7706

Hatsumi Nagasawa publications per year

The chart shows the history of publications by Hatsumi Nagasawa between 1971 and 2017, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hatsumi Nagasawa published across 47 years, from 1971 to 2017, averaging 2.6 papers a year. Output peaked at 9 publications in 1995. 1 of the 122 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1971 to 2017. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 1995. 1971: 1 publication 1972: 2 publications 1973: 1 publication 1974: 1 publication 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 3 publications 1980: 5 publications 1981: 2 publications 1982: 2 publications 1983: 4 publications 1984: 4 publications 1985: 4 publications 1986: 1 publication 1987: 3 publications 1988: 3 publications 1989: 3 publications 1990: 2 publications 1991: 2 publications 1992: 3 publications 1993: 2 publications 1994: 5 publications 1995: 9 publications 1996: 1 publication 1997: 5 publications 1998: 4 publications 1999: 5 publications 2000: 5 publications 2001: 5 publications 2002: 9 publications 2003: 6 publications 2004: 0 publications 2005: 2 publications 2006: 7 publications 2007: 2 publications 2008: 2 publications 2009: 1 publication 2010: 2 publications 2011: 1 publication 2012: 1 publication 2013: 0 publications 2014: 1 publication 2015: 0 publications 2016: 0 publications 2017: 1 publication
1971 2017

122 publications in total across all disciplines

View publications per year as a table
Hatsumi Nagasawa: publications per year, 1971 to 2017
Year Publications
1971 1
1972 2
1973 1
1974 1
1975 0
1976 0
1977 0
1978 0
1979 3
1980 5
1981 2
1982 2
1983 4
1984 4
1985 4
1986 1
1987 3
1988 3
1989 3
1990 2
1991 2
1992 3
1993 2
1994 5
1995 9
1996 1
1997 5
1998 4
1999 5
2000 5
2001 5
2002 9
2003 6
2004 0
2005 2
2006 7
2007 2
2008 2
2009 1
2010 2
2011 1
2012 1
2013 0
2014 1
2015 0
2016 0
2017 1
Total 122
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Hatsumi Nagasawa publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Hatsumi Nagasawa sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 53 bars. Horizontal axis: publications, 47–56 to 564+. Vertical axis: number of scientists, 0 to 177. Most scientists, 177, have 117–126 publications. The last bar groups every scientist with 564 publications or more. The highlighted bar, 107–116 publications, is where this scientist sits. 47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47–56 publications 564+

This scientist: 108 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 564 publications or more.

View publications distribution as a table
Number of Molecular Biology scientists by publication count, Research.com 2026 ranking edition. Based on 3,076 ranked scientists.
Publications Scientists This scientist
47–56 7
57–66 17
67–76 65
77–86 90
87–96 125
97–106 131
107–116 162 108
117–126 177
127–136 158
137–146 158
147–156 146
157–166 159
167–176 131
177–186 110
187–196 112
197–206 100
207–216 89
217–226 98
227–236 74
237–246 72
247–256 63
257–266 53
267–276 54
277–286 49
287–296 52
297–306 43
307–316 46
317–326 41
327–336 42
337–346 31
347–356 28
357–366 29
367–376 26
377–386 24
387–396 24
397–406 14
407–416 13
417–426 20
427–436 12
437–446 20
447–456 11
457–466 10
467–476 14
477–486 14
487–496 10
497–506 13
507–516 13
517–526 2
527–536 4
537–546 6
547–556 8
557–563 6
564+ 100
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Hatsumi Nagasawa D-index placement in Molecular Biology in 2026

The chart shows the D-index (discipline H-index) distribution of Molecular Biology scientists ranked by Research.com in 2026. The highlighted bar marks where Hatsumi Nagasawa sits on this spectrum.

No. of scientists
25 50 75 100 125
Bar chart with 54 bars. Horizontal axis: D-Index, 40–41 to 145+. Vertical axis: number of scientists, 0 to 131. Most scientists, 131, have 64–65 D-Index. The last bar groups every scientist with 145 D-Index or more. The highlighted bar, 48–49 D-Index, is where this scientist sits. 40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40–41 D-Index 145+

This scientist: 49 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

View D-Index distribution as a table
Number of Molecular Biology scientists by D-index, Research.com 2026 ranking edition. Based on 3,076 ranked scientists.
D-Index Scientists This scientist
40–41 36
42–43 101
44–45 115
46–47 121
48–49 118 49
50–51 130
52–53 106
54–55 116
56–57 113
58–59 129
60–61 120
62–63 105
64–65 131
66–67 95
68–69 97
70–71 106
72–73 83
74–75 89
76–77 77
78–79 70
80–81 73
82–83 60
84–85 48
86–87 45
88–89 50
90–91 31
92–93 51
94–95 43
96–97 38
98–99 39
100–101 41
102–103 29
104–105 33
106–107 35
108–109 20
110–111 38
112–113 19
114–115 28
116–117 13
118–119 23
120–121 16
122–123 15
124–125 11
126–127 21
128–129 7
130–131 13
132–133 14
134–135 17
136–137 9
138–139 8
140–141 16
142–143 7
144 7
145+ 100
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Overview

Hatsumi Nagasawa is affiliated with Colorado State University in the United States. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology as well as Medicine. Within these broader areas, their work focuses on specific subfields including Biochemistry, Immunology, Pathology and Forensic Medicine, Rheumatology, and Epidemiology.

Their scientific contributions cover several main topics, notably Sulfur Compounds in Biology, Eicosanoids and Hypertension Pharmacology, Mast cells and histamine, Alcohol Consumption and Health Effects, Folate and B Vitamins Research, and Liver Disease Diagnosis and Treatment.

Recent publications by Hatsumi Nagasawa include:

  • "Sequestration and Elimination of Toxic Aldehydes," 2020, Chemical Research in Toxicology
  • "An Orally Bioavailable (Mice) Prodrug of Glutathione," 2021, Antioxidants
  • "An Orally Bioavailable (Mice) Prodrug of Glutathione," 2021, Preprints.org
  • "l -Cysteine-Glutathione Mixed Disulfide, a Novel Bioavailable Sulfhydryl-Modified Glutathione Precursor, Protects against Early Liver Injury Induced by Short-Term Hypercholesterolemia," 2025, Chemical Research in Toxicology

Hatsumi Nagasawa frequently collaborates with several co-authors, including Daune L. Crankshaw, Jacquie E. Briggs, Robert Vince, Robert J. Valentekovich, and Scott G. Nagasawa. Collaboration patterns reflect multiple joint works with some co-authors, particularly with Daune L. Crankshaw and Jacquie E. Briggs.

Their work often appears in a select number of publication venues, with multiple contributions to Chemical Research in Toxicology, as well as papers published in Antioxidants and Preprints.org.

Best Publications

  • Induction of sister chromatid exchanges by extremely low doses of alpha-particles.

    Hatsumi Nagasawa;John B. Little

  • Unexpected sensitivity to the induction of mutations by very low doses of alpha-particle radiation: evidence for a bystander effect.

    Hatsumi Nagasawa;John B. Little

  • Ku70: A Candidate Tumor Suppressor Gene for Murine T Cell Lymphoma

    Gloria C. Li;Honghai Ouyang;Xiaoling Li;Hatsumi Nagasawa

  • Radiation-induced genomic instability: delayed mutagenic and cytogenetic effects of X rays and alpha particles.

    John B. Little;Hatsumi Nagasawa;Tracy Pfenning;Helen Vetrovs

  • Heat-induced lethality and chromosomal damage in synchronized Chinese hamster cells treated with 5-bromodeoxyuridine.

    Dewey Wc;Westra A;Miller Hh;Nagasawa H

  • HPRT mutants induced in bystander cells by very low fluences of alpha particles result primarily from point mutations.

    Lihong Huo;Hatsumi Nagasawa;John B. Little

  • Silencing Expression of the Catalytic Subunit of DNA-dependent Protein Kinase by Small Interfering RNA Sensitizes Human Cells for Radiation-induced Chromosome Damage, Cell Killing, and Mutation

    Yuanlin Peng;Qinming Zhang;Hatsumi Nagasawa;Ryuichi Okayasu

  • Bystander effects: intercellular transmission of radiation damage signals.

    J. B. Little;E. I. Azzam;S. M. de Toledo;H. Nagasawa (Invited)

  • ABSENCE OF RADIATION-INDUCED G1 ARREST IN TWO CLOSELY RELATED HUMAN LYMPHOBLAST CELL LINES THAT DIFFER IN P53 STATUS

    John B. Little;Hatsumi Nagasawa;Peter C. Keng;Yongjia Yu

  • Increased bystander mutagenic effect in DNA double-strand break repair-deficient mammalian cells

    H. Nagasawa;L. Huo;J. B. Little

  • Effect of Confluent Holding on Potentially Lethal Damage Repair, Cell Cycle Progression, and Chromosomal Aberrations in Human Normal and Ataxia-Telangiectasia Fibroblasts

    John B. Little;Hatsumi Nagasawa

  • Bystander effect for chromosomal aberrations induced in wild-type and repair deficient CHO cells by low fluences of alpha particles.

    Hatsumi Nagasawa;John B. Little

  • Comparison of kinetics of X-ray-induced cell killing in normal, ataxia telangiectasia and hereditary retinoblastoma fibroblasts.

    Hatsumi Nagasawa;John B. Little

  • Effect of tumor promoters, protease inhibitors, and repair processes on x-ray-induced sister chromatid exchanges in mouse cells.

    Hatsumi Nagasawa;John B. Little

  • Involvement of membrane signaling in the bystander effect in irradiated cells.

    Hatsumi Nagasawa;Aida Cremesti;Richard Kolesnick;Zvi Fuks

  • Effects of X-irradiation on cell-cycle progression, induction of chromosomal aberrations and cell killing in ataxia telangiectasia (AT) fibroblasts

    Hatsumi Nagasawa;Hatsumi Nagasawa;Samuel A. Latt;Samuel A. Latt;Marc E. Lalande;Marc E. Lalande;John B. Little;John B. Little

  • Involvement of the nonhomologous end joining DNA repair pathway in the bystander effect for chromosomal aberrations.

    John B. Little;Hatsumi Nagasawa;Gloria C. Li;David J. Chen

  • Abrogation of p53 function by transfection of HPV16 E6 gene enhances the resistance of human diploid fibroblasts to ionizing radiation.

    Ngan-Ming Tsang;H. Nagasawa;Chuanyuan Li;J. B. Little

  • Relationship between radiation-induced G1 phase arrest and p53 function in human tumor cells.

    Hatsumi Nagasawa;Chuan-Yuan Li;Carl G. Maki;Amy C. Imrich

  • Increased ultraviolet sensitivity and chromosomal instability related to P53 function in the xeroderma pigmentosum variant.

    James E. Cleaver;Veena Afzal;Veena Afzal;Luzviminda Feeney;Mindy McDowell

Frequent Co-Authors

John B. Little
John B. Little Harvard University
David J. Chen
David J. Chen The University of Texas Southwestern Medical Center
Chuan-Yuan Li
Chuan-Yuan Li Duke University
Gloria C. Li
Gloria C. Li Memorial Sloan Kettering Cancer Center
Peter C. Keng
Peter C. Keng University of Rochester
Samuel A. Latt
Samuel A. Latt Boston Children's Hospital
Benjamin P C Chen
Benjamin P C Chen The University of Texas Southwestern Medical Center
Larry H. Thompson
Larry H. Thompson Lawrence Livermore National Laboratory
Albert J. Fornace
Albert J. Fornace Georgetown University
Ralph R. Weichselbaum
Ralph R. Weichselbaum University of Chicago

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