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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 61 9497 8599 2666 2193 225 9724

Raj Suryanarayanan publications per year

The chart shows the history of publications by Raj Suryanarayanan between 1975 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Raj Suryanarayanan published across 52 years, from 1975 to 2026, averaging 5 papers a year. Output peaked at 18 publications in 2021. 5 of the 261 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1975 to 2026. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2021. 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 1 publication 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 2 publications 1986: 2 publications 1987: 0 publications 1988: 0 publications 1989: 1 publication 1990: 3 publications 1991: 6 publications 1992: 4 publications 1993: 2 publications 1994: 4 publications 1995: 2 publications 1996: 2 publications 1997: 6 publications 1998: 4 publications 1999: 2 publications 2000: 2 publications 2001: 4 publications 2002: 6 publications 2003: 12 publications 2004: 10 publications 2005: 8 publications 2006: 10 publications 2007: 5 publications 2008: 4 publications 2009: 7 publications 2010: 13 publications 2011: 11 publications 2012: 5 publications 2013: 8 publications 2014: 7 publications 2015: 9 publications 2016: 10 publications 2017: 9 publications 2018: 11 publications 2019: 8 publications 2020: 13 publications 2021: 18 publications 2022: 8 publications 2023: 7 publications 2024: 7 publications 2025: 4 publications 2026: 1 publication
1975 2026

261 publications in total across all disciplines

View publications per year as a table
Raj Suryanarayanan: publications per year, 1975 to 2026
Year Publications
1975 1
1976 0
1977 0
1978 1
1979 0
1980 0
1981 1
1982 0
1983 0
1984 1
1985 2
1986 2
1987 0
1988 0
1989 1
1990 3
1991 6
1992 4
1993 2
1994 4
1995 2
1996 2
1997 6
1998 4
1999 2
2000 2
2001 4
2002 6
2003 12
2004 10
2005 8
2006 10
2007 5
2008 4
2009 7
2010 13
2011 11
2012 5
2013 8
2014 7
2015 9
2016 10
2017 9
2018 11
2019 8
2020 13
2021 18
2022 8
2023 7
2024 7
2025 4
2026 1
Total 261
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Raj Suryanarayanan publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Raj Suryanarayanan sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 221–240 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 225 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216 225
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Raj Suryanarayanan D-index placement in Chemistry in 2026

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

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 60–61 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 61 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882 61
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Raj Suryanarayanan is affiliated with the University of Minnesota in the United States. Their research spans multiple fields including Biochemistry, Genetics and Molecular Biology as well as Materials Science. More specifically, their work focuses on subfields such as Molecular Biology, Materials Chemistry, Pharmaceutical Science, Food Science, and Spectroscopy.

Their main research topics include:

  • Protein purification and stability
  • Drug Solubility and Delivery Systems
  • Crystallization and Solubility Studies
  • Microencapsulation and Drying Processes
  • Analytical Chemistry and Chromatography
  • Viral Infectious Diseases and Gene Expression in Insects
  • Enzyme Structure and Function

Raj Suryanarayanan has published extensively, with frequent appearances in several scientific journals. The top venues for their publications are:

  • Molecular Pharmaceutics (23 publications)
  • International Journal of Pharmaceutics (9 publications)
  • Journal of Pharmaceutical Sciences (3 publications)
  • The Cambridge Structural Database (3 publications)
  • TrAC Trends in Analytical Chemistry (2 publications)

Some noteworthy papers include:

  • Stabilizers and their interaction with formulation components in frozen and freeze-dried protein formulations, 2021, Advanced Drug Delivery Reviews
  • Freezing-induced protein aggregation - Role of pH shift and potential mitigation strategies, 2020, Journal of Controlled Release
  • Mannitol as an Excipient for Lyophilized Injectable Formulations, 2022, Journal of Pharmaceutical Sciences
  • The Influence of the Strength of Drug-Polymer Interactions on the Dissolution of Amorphous Solid Dispersions, 2020, Molecular Pharmaceutics
  • Stabilization of Amorphous Drugs by Polymers: The Role of Overlap Concentration (C*), 2020, Molecular Pharmaceutics

Frequent coauthors in Raj Suryanarayanan's body of work include:

  • Bhushan Munjal
  • Jayesh Sonje
  • Seema Thakral
  • Jinghan Li
  • N. S. Krishna Kumar

Best Publications

  • A rapid thermal method for cocrystal screening

    Enxian Lu;Naír Rodríguez-Hornedo;Raj Suryanarayanan

  • Local mobility in amorphous pharmaceuticals—characterization and implications on stability

    Sisir Bhattacharya;Sisir Bhattacharya;Raj Suryanarayanan

  • Polymorphism in anhydrous theophylline—implications on the dissolution rate of theophylline tablets

    Neelima V. Phadnis;Raj Suryanarayanan

  • Effect of Preparation Method on Physical Properties of Amorphous Trehalose

    Rahul Surana;Abira Pyne;Raj Suryanarayanan

  • The Role of Drug–Polymer Hydrogen Bonding Interactions on the Molecular Mobility and Physical Stability of Nifedipine Solid Dispersions

    Khushboo Kothari;Vishard Ragoonanan;Raj Suryanarayanan

  • Role of the Strength of Drug–Polymer Interactions on the Molecular Mobility and Crystallization Inhibition in Ketoconazole Solid Dispersions

    Pinal Mistry;Sarat Mohapatra;Tata Gopinath;Frederick G. Vogt

  • Crystallization behavior of mannitol in frozen aqueous solutions.

    Raghu K. Cavatur;N. Murti Vemuri;Abira Pyne;Zofia Chrzan

  • Quantification of Crystallinity in Substantially Amorphous Materials by Synchrotron X-ray Powder Diffractometry

    Cletus Nunes;Arumugam Mahendrasingam;Raj Suryanarayanan

  • Effect of aging on the physical properties of amorphous trehalose.

    Rahul Surana;Abira Pyne;Raj Suryanarayanan

  • In situ dehydration of carbamazepine dihydrate: a novel technique to prepare amorphous anhydrous carbamazepine.

    Yinghua Li;Jun Han;Geoff G. Z. Zhang;David J. W. Grant

  • Effective inhibition of mannitol crystallization in frozen solutions by sodium chloride.

    Chitra Telang;Lian Yu;Raj Suryanarayanan

  • Crystallization of mannitol below Tg' during freeze-drying in binary and ternary aqueous systems

    Abira Pyne;Rahul Surana;Raj Suryanarayanan

  • Correlation between molecular mobility and physical stability of amorphous itraconazole

    Sunny P. Bhardwaj;Kapildev K. Arora;Elizabeth Kwong;Allen Templeton

  • X-Ray Powder Diffractometry

    Raj Suryanarayanan;Suneel Rastogi

  • Influence of the Active Pharmaceutical Ingredient Concentration on the Physical State of Mannitol—Implications in Freeze-Drying

    Xiangmin Liao;Rajesh Krishnamurthy;Raj Suryanarayanan

  • Drug-Excipient Interactions: Effect on Molecular Mobility and Physical Stability of Ketoconazole–Organic Acid Coamorphous Systems

    Michelle H. Fung;Marla DeVault;Keith T. Kuwata;Raj Suryanarayanan

  • Influence of molecular mobility on the physical stability of amorphous pharmaceuticals in the supercooled and glassy States.

    Khushboo Kothari;Vishard Ragoonanan;Raj Suryanarayanan

  • Determination of the relative amounts of anhydrous carbamazepine (C15H12N2O) and carbamazepine dihydrate (C15H12N2O.2H2O) in a mixture by powder x-ray diffractometry.

    Raj Suryanarayanan

  • Influence of Processing Conditions on the Physical State of Mannitol—Implications in Freeze-Drying

    Xiangmin Liao;Rajesh Krishnamurthy;Raj Suryanarayanan

  • Trehalose Crystallization During Freeze-Drying: Implications On Lyoprotection

    Prakash Sundaramurthi;Raj Suryanarayanan

  • Identification of drugs in pharmaceutical dosage forms by X-ray powder diffractometry

    Neelima V Phadnis;Raghu K Cavatur;Raj Suryanarayanan

Frequent Co-Authors

Satyendra Kumar
Satyendra Kumar University at Albany, State University of New York
David J.W. Grant
David J.W. Grant University of Toronto
Peter W. Stephens
Peter W. Stephens Stony Brook University
Victor G. Young
Victor G. Young University of Minnesota
Timothy J. Ebner
Timothy J. Ebner University of Minnesota
Mark C. Manning
Mark C. Manning Colorado State University
Bruno C. Hancock
Bruno C. Hancock Pfizer (United States)
John F. Carpenter
John F. Carpenter University of Colorado Anschutz Medical Campus
Gregory B. McKenna
Gregory B. McKenna Texas Tech University
Lian Yu
Lian Yu University of Wisconsin–Madison

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