World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
55
Citations
11885
World Ranking
2981
National Ranking
35

Robiah Yunus publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Robiah Yunus sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 288 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Robiah Yunus D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Robiah Yunus sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 55 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Robiah Yunus is a researcher affiliated with Universiti Putra Malaysia in Malaysia. Their work spans primarily across the field of Engineering, with a substantial focus on Biomedical Engineering and Mechanical Engineering. Additional subfields include Molecular Biology, Analytical Chemistry, and Education.

The research contributions of Robiah Yunus cover a range of topics. Main areas of study include:

  • Biodiesel Production and Applications
  • Catalysis and Hydrodesulfurization Studies
  • Petroleum Processing and Analysis
  • Biofuel Production and Bioconversion
  • Lubricants and Their Additives
  • Hydraulic Fracturing and Reservoir Analysis
  • Microbial Metabolic Engineering and Bioproduction

They have published extensively in scientific journals, with frequent publications appearing in the following venues:

  • Fuel
  • ACS Omega
  • Pertanika Journal of Science & Technology
  • Biomass and Bioenergy
  • Chemical Engineering Journal

Recent notable papers by Robiah Yunus include:

  • A Short Review on Catalyst, Feedstock, Modernised Process, Current State and Challenges on Biodiesel Production, 2021, Catalysts
  • Recent Advances in the Application of Cellulose Derivatives for Removal of Contaminants from Aquatic Environments, 2021, Cellulose
  • Pretreatment Methods for an Effective Conversion of Oil Palm Biomass into Sugars and High-Value Chemicals, 2020, Biomass and Bioenergy
  • Effect of Ni/Malaysian Dolomite Catalyst Synthesis Technique on Deoxygenation Reaction Activity of Waste Cooking Oil, 2021, Renewable Energy
  • Prospects and Challenges of Microwave-Combined Technology for Biodiesel and Biolubricant Production through a Transesterification: A Review, 2021, Molecules

Their frequent collaborators include:

  • G. Abdulkareem-Alsultan
  • Siti Zulaika Razali
  • Yun Hin Taufiq-Yap
  • Dina Kania
  • Suraya Abdul Rashid

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

  • Effect of fiber length on thermomechanical properties of short carbon fiber reinforced polypropylene composites

    Fateme Rezaei;Robiah Yunus;Nor Azowa Ibrahim

  • Characterization of empty fruit bunch for microwave-assisted pyrolysis

    Rozita Omar;A. Idris;R. Yunus;K. Khalid

  • Extraction of Oil from Jatropha Seeds-Optimization and Kinetics

    Sepidar Sayyar;Zurina Zainal Abidin;Robiah Yunus;Azhari Muhammad

  • Calcium-based mixed oxide catalysts for methanolysis of Jatropha curcas oil to biodiesel.

    Y.H. Taufiq-Yap;H.V. Lee;M.Z. Hussein;R. Yunus

  • Process optimization design for jatropha-based biodiesel production using response surface methodology

    Hwei Lee;Robiah Yunus;Joon Ching Juan;Yun Hin Taufiq-Yap

  • Wear prevention characteristics of a palm oil-based TMP (trimethylolpropane) ester as an engine lubricant

    N.W.M. Zulkifli;M.A. Kalam;H.H. Masjuki;M. Shahabuddin

  • An overview of the emerging warm mix asphalt technology

    Behnam Kheradmand;Ratnasamy Muniandy;Law Teik Hua;Robiah Bt. Yunus

  • Improving the AW/EP ability of chemically modified palm oil by adding CuO and MoS2 nanoparticles

    M. Gulzar;M. Gulzar;HH Masjuki;M Varman;MA Kalam

  • A review of biolubricants in drilling fluids: recent research, performance, and applications

    Dina Kania;Robiah Yunus;Rozita Omar;Suraya Abdul Rashid

  • Development of Short-Carbon-Fiber-Reinforced Polypropylene Composite for Car Bonnet

    Fateme Rezaei;Robiah Yunus;Nor Azowa Ibrahim;Elsadig Mahdi

  • Effect of ultrasonic pre-treatment on low temperature acid hydrolysis of oil palm empty fruit bunch.

    Robiah Yunus;Shanti Faridah Salleh;Norhafizah Abdullah;Dayang Radiah Awang Biak

  • Transesterification of non-edible Jatropha curcas oil to biodiesel using binary Ca–Mg mixed oxide catalyst: Effect of stoichiometric composition

    Yun Hin Taufiq-Yap;Hwei Lee;Robiah Yunus;Joon Ching Juan

  • Transesterification of jatropha oil with methanol over Mg-Zn mixed metal oxide catalysts

    H.V. Lee;Y.H. Taufiq-Yap;M.Z. Hussein;R. Yunus

  • Effect of physical pretreatment on dilute acid hydrolysis of water hyacinth (Eichhornia crassipes).

    M.Y. Harun;A.B. Dayang Radiah;Z. Zainal Abidin;R. Yunus

  • Lubrication properties of trimethylolpropane esters based on palm oil and palm kernel oils

    Robiah Yunus;Ahmadun Fakhru'l-Razi;Tian Lye Ooi;Sunny E. Iyuke

  • Experimental Analysis of Tribological Properties of Biolubricant with Nanoparticle Additive

    N.W.M. Zulkifli;M.A. Kalam;H.H. Masjuki;R. Yunus

  • Lubricity of bio-based lubricant derived from different chemically modified fatty acid methyl ester

    Nurin Wahidah Mohd Zulkifli;S.S.N. Azman;Md. Abul Kalam;Haji Hassan Masjuki

  • Application of supercritical antisolvent method in drug encapsulation: a review

    Mahshid Kalani;Robiah Yunus

  • Methyl ester production from palm fatty acid distillate using sulfonated glucose-derived acid catalyst

    Ibrahim M. Lokman;Umer Rashid;Yun Hin Taufiq-Yap;Yun Hin Taufiq-Yap;Robiah Yunus

  • Synthesis of biodiesel from palm fatty acid distillate using sulfonated palm seed cake catalyst

    Shehu-Ibrahim Akinfalabi;Umer Rashid;Robiah Yunus;Yun Hin Taufiq-Yap

Frequent Co-Authors

Umer Rashid
Umer Rashid UCSI University
Yun Hin Taufiq-Yap
Yun Hin Taufiq-Yap Universiti Putra Malaysia
Thomas Shean Yaw Choong
Thomas Shean Yaw Choong Universiti Putra Malaysia
Luqman Chuah Abdullah
Luqman Chuah Abdullah Universiti Putra Malaysia
Khamirul Amin Matori
Khamirul Amin Matori Universiti Putra Malaysia
Haji Hassan Masjuki
Haji Hassan Masjuki International Islamic University Malaysia
Md. Abul Kalam
Md. Abul Kalam University of Technology Sydney
Ali Ahmadian
Ali Ahmadian University of Waterloo
Hong Ngee Lim
Hong Ngee Lim Universiti Putra Malaysia

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