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Thomas Shean Yaw Choong

Thomas Shean Yaw Choong

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 41 17689 15999 44 42 213 8019

Thomas Shean Yaw Choong publications per year

The chart shows the history of publications by Thomas Shean Yaw Choong between 1998 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Thomas Shean Yaw Choong published across 29 years, from 1998 to 2026, averaging 8.9 papers a year. Output peaked at 26 publications in 2020. 14 of the 259 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1998 to 2026. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2020. 1998: 3 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 2 publications 2003: 2 publications 2004: 5 publications 2005: 6 publications 2006: 12 publications 2007: 2 publications 2008: 6 publications 2009: 15 publications 2010: 13 publications 2011: 17 publications 2012: 14 publications 2013: 12 publications 2014: 6 publications 2015: 14 publications 2016: 11 publications 2017: 8 publications 2018: 9 publications 2019: 20 publications 2020: 26 publications 2021: 12 publications 2022: 15 publications 2023: 11 publications 2024: 4 publications 2025: 13 publications 2026: 1 publication
1998 2026

259 publications in total across all disciplines

View publications per year as a table
Thomas Shean Yaw Choong: publications per year, 1998 to 2026
Year Publications
1998 3
1999 0
2000 0
2001 0
2002 2
2003 2
2004 5
2005 6
2006 12
2007 2
2008 6
2009 15
2010 13
2011 17
2012 14
2013 12
2014 6
2015 14
2016 11
2017 8
2018 9
2019 20
2020 26
2021 12
2022 15
2023 11
2024 4
2025 13
2026 1
Total 259
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Thomas Shean Yaw Choong 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 Thomas Shean Yaw Choong 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, 201–220 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: 213 publications — 37th percentile

37% 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 1,281 213
221–240 1,216
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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Thomas Shean Yaw Choong 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 Thomas Shean Yaw Choong 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, 40–41 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: 41 D-Index — 2nd percentile

2% 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 41
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
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

Thomas Shean Yaw Choong is affiliated with Universiti Putra Malaysia in Malaysia. Their research primarily spans the fields of Engineering and Environmental Science, with a significant focus on Biomedical Engineering, Mechanical Engineering, Water Science and Technology, Materials Chemistry, and Molecular Biology.

The scientist's research covers a range of specific topics including Biodiesel Production and Applications, Enzyme Catalysis and Immobilization, Catalysis and Hydrodesulfurization Studies, Adsorption and Biosorption for Pollutant Removal, Lubricants and Their Additives, Nanomaterials for Catalytic Reactions, and Advanced Oxidation Water Treatment.

Thomas Shean Yaw Choong has contributed to several research papers, among which are:

  • "Advances in Valorization of Lignocellulosic Biomass towards Energy Generation" (2021) published in Catalysts
  • "Influence of parameters and radical scavengers on the visible-light-induced degradation of ciprofloxacin in ZnO/SnS2 nanocomposite suspension: Identification of transformation products" (2020) published in Chemosphere
  • "Microwave-assisted hydrothermal synthesis of sulfonated TiO2-GO core-shell solid spheres as heterogeneous esterification mesoporous catalyst for biodiesel production" (2021) published in Energy Conversion and Management
  • "Zeolitic imidazolate framework membranes for gas separations: Current state-of-the-art, challenges, and opportunities" (2021) published in Journal of Industrial and Engineering Chemistry
  • "Recent progress in the design and synthesis of nanofibers with diverse synthetic methodologies: characterization and potential applications" (2020) published in New Journal of Chemistry

The frequent co-authors collaborating with Thomas Shean Yaw Choong include:

  • Umer Rashid
  • Siti Nurul Ain Md. Jamil
  • Luqman Chuah Abdullah
  • Soroush Soltani
  • Nasrin Khanian

Publication venues where Thomas Shean Yaw Choong has appeared most often include:

  • Catalysts
  • RSC Advances
  • Polymers
  • Processes
  • Environmental Science and Pollution Research

Best Publications

  • Arsenic toxicity, health hazards and removal techniques from water : an overview

    Thomas S.Y. Choong;T.G. Chuah;Y. Robiah;F.L. Gregory Koay

  • Oil removal from aqueous state by natural fibrous sorbent: An overview

    Rafeah Wahi;Rafeah Wahi;Luqman Abdullah Chuah;Thomas Shean Yaw Choong;Zainab Ngaini

  • Fatty Acids as Phase Change Materials (PCMs) for Thermal Energy Storage: A Review

    D. Rozanna;T. G. Chuah;A. Salmiah;Thomas S. Y. Choong

  • The influence of temperature and inlet velocity on cyclone pressure drop: a CFD study

    Jolius Gimbun;T.G. Chuah;A. Fakhru’l-Razi;Thomas S.Y. Choong

  • A CFD study of the effect of cone dimensions on sampling aerocyclones performance and hydrodynamics

    T.G. Chuah;Jolius Gimbun;Thomas S.Y. Choong

  • Comparative study of polypropylene composites reinforced with oil palm empty fruit bunch fiber and oil palm derived cellulose

    Marzuki Khalid;Chantara Thevy Ratnam;Teong Guan Chuah;Salmiaton Ali

  • Carbon coated monolith, a mesoporous material for the removal of methyl orange from aqueous phase: Adsorption and desorption studies

    Soraya Hosseini;Moonis Ali Khan;Mohamad Rasool Malekbala;Willie Cheah

  • Adsorption of basic dye onto palm kernel shell activated carbon: sorption equilibrium and kinetics studies

    A. Jumasiah;T.G. Chuah;J. Gimbon;T.S.Y. Choong

  • Acid modified carbon coated monolith for methyl orange adsorption

    Willie Cheah;Soraya Hosseini;Moonis Ali Khan;T.G. Chuah

  • Impact of storage conditions on the stability of predominant phenolic constituents and antioxidant activity of dried piper betle extracts

    Ameena Ali;Chien Hwa Chong;Siau Hui Mah;Luqman Chuah Abdullah

  • Advances in Valorization of Lignocellulosic Biomass towards Energy Generation

    Ikram ul Haq;Kinza Qaisar;Ali Nawaz;Fatima Akram

  • Biosorption and desorption of Nickel on oil cake: batch and column studies.

    Moonis Ali Khan;Mohammad Ngabura;Thomas S.Y. Choong;Hassan Masood

  • Adsorption/desorption of cationic dye on surfactant modified mesoporous carbon coated monolith: equilibrium, kinetic and thermodynamic studies

    Mohamad Rasool Malekbala;Moonis Ali Khan;Soraya Hosseini;Luqman Chuah Abdullah

  • Kinetic and isotherm studies for lead adsorption from aqueous phase on carbon coated monolith

    Yi Peng Teoh;Moonis Ali Khan;Thomas S.Y. Choong

  • Drying of Betel Leaves (Piper betle L.): Quality and Drying Kinetics

    K. Y. Pin;T. G. Chuah;A. Abdull Rashih;C. L. Law

  • Fe3O4-PDA-Lipase as Surface Functionalized Nano Biocatalyst for the Production of Biodiesel Using Waste Cooking Oil as Feedstock: Characterization and Process Optimization

    Tooba Touqeer;Muhammad Waseem Mumtaz;Hamid Mukhtar;Ahmad Irfan

  • Equilibrium, kinetics and thermodynamic studies: adsorption of Remazol Black 5 on the palm kernel shell activated carbon (PKS-AC)

    Zawani Zainuddin;Luqman Chuah Abdullah;Thomas Shean Yaw Choong

  • POME is treated for removal of color from biologically treated POME in fixed bed column: applying wavelet neural network (WNN).

    M.M. Bello;M.M. Nourouzi;L. Chuah Abdullah;Thomas S.Y. Choong

  • Synthesis of palm oil-based trimethylolpropane ester as potential biolubricant: Chemical kinetics modeling

    Hamidah Abd Hamid;Robiah Yunus;Umer Rashid;Thomas S.Y. Choong

  • Synthesis and characterization of calcium methoxide as heterogeneous catalyst for trimethylolpropane esters conversion reaction

    Hassan Masood;Robiah Yunus;Thomas S.Y. Choong;Umer Rashid

  • Review of kinetic and equilibrium concepts for biomass tar modeling by using Aspen Plus

    A.M.A Ahmed;A. Salmiaton;T.S.Y Choong;W.A.K.G. Wan Azlina

  • Valorization of palm oil agro-waste into cellulose biosorbents for highly effective textile effluent remediation

    Bawaanii Shanmugarajah;Irene Mei Leng Chew;Nabisab Mujawar Mubarak;Thomas Shean Yaw Choong

  • Carbonaceous materials modified catalysts for simultaneous SO2/NOx removal from flue gas: A review

    Kiman Silas;Wan Azlina Wan Ab Karim Ghani;Thomas S.Y. Choong;Umer Rashid

Frequent Co-Authors

Luqman Chuah Abdullah
Luqman Chuah Abdullah Universiti Putra Malaysia
Umer Rashid
Umer Rashid UCSI University
Robiah Yunus
Robiah Yunus Universiti Putra Malaysia
Mohammad Khalid
Mohammad Khalid University of Glasgow
Chin Ping Tan
Chin Ping Tan Universiti Putra Malaysia
Mohamed Mahmoud Nasef
Mohamed Mahmoud Nasef University of Technology Malaysia
Nilofar Asim
Nilofar Asim National University of Malaysia
Ahmad Irfan
Ahmad Irfan King Khalid University
Abdul Wahab Mohammad
Abdul Wahab Mohammad University of Sharjah
Aneta Wojdyło
Aneta Wojdyło Wroclaw University of Environmental and Life Sciences

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