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Pingkai Ouyang

D-Index & Metrics

Chemistry

D-Index
42
Citations
7196
World Ranking
17470
National Ranking
2622

Pingkai Ouyang 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 Pingkai Ouyang sits on this spectrum.

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 publications 1,295+

This scientist: 231 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Pingkai Ouyang 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 Pingkai Ouyang sits on this spectrum.

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 D-Index 159+

This scientist: 42 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Pingkai Ouyang was affiliated with Nanjing Tech University in China. Their work primarily spanned the interdisciplinary areas of biochemistry, genetics and molecular biology, and engineering, with a substantial focus on molecular biology and biomedical engineering among other subfields.

The main fields of study covered in their research included:

  • Biochemistry, Genetics and Molecular Biology
  • Engineering

The subfields of study in which Pingkai Ouyang published frequently were:

  • Molecular Biology
  • Biomedical Engineering
  • Biotechnology
  • Biomaterials
  • Materials Chemistry

The key topics addressed in their scientific work encompassed:

  • Biofuel production and bioconversion
  • Enzyme Catalysis and Immobilization
  • Microbial Metabolic Engineering and Bioproduction
  • Catalysis for Biomass Conversion
  • Enzyme Production and Characterization
  • Microbial Metabolites in Food Biotechnology
  • Studies on Chitinases and Chitosanases

Frequent co-authors in their publications included:

  • Kequan Chen
  • Alei Zhang
  • Sheng Xu
  • Hui Li
  • Guoguang Wei

Pingkai Ouyang published extensively in specific scientific journals, with multiple publications appearing in:

  • Chemical Engineering Journal
  • Chinese Journal of Chemical Engineering
  • Chemical Communications
  • Frontiers in Bioengineering and Biotechnology
  • Frontiers in Microbiology

Selected recent papers illustrate the scope and focus of Ouyang's research. These include:

  • Synthesis, characterization, and utilization of poly-amino acid-functionalized lignin for efficient and selective removal of lead ion from aqueous solution (2022, Journal of Cleaner Production)
  • The production of biobased diamines from renewable carbon sources: Current advances and perspectives (2020, Chinese Journal of Chemical Engineering)
  • Hierarchical porous and hydrophilic metal-organic frameworks with enhanced enzyme activity (2020, Chemical Communications)
  • Direct electron uptake from a cathode using the inward Mtr pathway in Escherichia coli (2020, Bioelectrochemistry)
  • CaCl2 molten salt hydrate-promoted conversion of carbohydrates to 5-hydroxymethylfurfural: an experimental and theoretical study (2021, Green Chemistry)

Throughout their career, Pingkai Ouyang contributed to themes such as biomass conversion, enzyme catalysis, and microbial metabolic engineering. Their work involved multidisciplinary approaches integrating molecular biology and chemical engineering techniques.

Best Publications

  • Microbial 2,3-butanediol production: A state-of-the-art review

    Xiao-Jun Ji;He Huang;Ping-Kai Ouyang

  • Encapsulation of Single Enzyme in Nanogel with Enhanced Biocatalytic Activity and Stability

    Ming Yan;Jun Ge;Zheng Liu;Pingkai Ouyang

  • The possibility of separating saccharides from a NaCl solution by using nanofiltration in diafiltration mode

    Xiao-Lin Wang;Chenghong Zhang;Pingkai Ouyang

  • Development of a stepwise aeration control strategy for efficient docosahexaenoic acid production by Schizochytrium sp.

    Lu-Jing Ren;Xiao-Jun Ji;He Huang;Liang Qu

  • In situ hydrogenation and decarboxylation of oleic acid into heptadecane over a Cu–Ni alloy catalyst using methanol as a hydrogen carrier

    Zihao Zhang;Qiwei Yang;Hao Chen;Kequan Chen

  • Spatial co-localization of multi-enzymes by inorganic nanocrystal–protein complexes

    Zhixian Li;Yifei Zhang;Yechao Su;Pingkai Ouyang

  • Enhanced bioelectricity generation by improving pyocyanin production and membrane permeability through sophorolipid addition in Pseudomonas aeruginosa-inoculated microbial fuel cells.

    Hai-Bo Shen;Xiao-Yu Yong;Yi-Lu Chen;Zhi-Hong Liao

  • Efficient production of poly(γ-glutamic acid) by newly isolated Bacillus subtilis NX-2

    Hong Xu;Min Jiang;Hui Li;Dingqiang Lu

  • Perovskite-type Oxide LaMnO3: An Efficient and Recyclable Heterogeneous Catalyst for the Wet Aerobic Oxidation of Lignin to Aromatic Aldehydes

    Haibo Deng;Lu Lin;Yong Sun;Chunsheng Pang

  • Advances in Cadaverine Bacterial Production and Its Applications

    Weichao Ma;Kequan Chen;Yan Li;Ning Hao

  • Activity and Stability of Perovskite-Type Oxide LaCoO3 Catalyst in Lignin Catalytic Wet Oxidation to Aromatic Aldehydes Process

    Haibo Deng;Lu Lin;Yong Sun;Chunsheng Pang

  • Dissolution of microcrystalline cellulose in phosphoric acid--molecular changes and kinetics.

    Junhua Zhang;Jingqiang Zhang;Lu Lin;Tianming Chen

  • Enhancement of bioelectricity generation by manipulation of the electron shuttles synthesis pathway in microbial fuel cells

    Xiao-Yu Yong;Dong-Yan Shi;Yi-Lu Chen;Jiao Feng

  • Green and economical production of propionic acid by Propionibacterium freudenreichii CCTCC M207015 in plant fibrous-bed bioreactor

    Xiaohai Feng;Fei Chen;Hong Xu;Bo Wu

  • Enhancement of docosahexaenoic acid production by Schizochytrium sp. using a two-stage oxygen supply control strategy based on oxygen transfer coefficient.

    L. Qu;X.-J. Ji;L.-J. Ren;Z.-K. Nie

  • Enhanced cadaverine production from l -lysine using recombinant Escherichia coli co-overexpressing CadA and CadB

    Weichao Ma;Weijia Cao;Hong Zhang;Kequan Chen

  • Reducing Sugar Content in Hemicellulose Hydrolysate by DNS Method: A Revisit

    Ruofei Hu;Lu Lin;Tingjun Liu;Pingkai Ouyang

  • ε-Poly-L-lysine production by immobilized cells of Kitasatospora sp. MY 5-36 in repeated fed-batch cultures

    Yang Zhang;Xiaohai Feng;Hong Xu;Zhong Yao

  • Engineering a pyridoxal 5’-phosphate supply for cadaverine production by using Escherichia coli whole-cell biocatalysis

    Weichao Ma;Weijia Cao;Bowen Zhang;Kequan Chen

  • Enhancement of bioelectricity generation by cofactor manipulation in microbial fuel cell

    Xiao-Yu Yong;Jiao Feng;Yi-Lu Chen;Dong-Yan Shi

  • Butanol production from hemicellulosic hydrolysate of corn fiber by a Clostridium beijerinckii mutant with high inhibitor-tolerance.

    Ting Guo;Ai-yong He;Teng-fei Du;Da-wei Zhu

  • A complete industrial system for economical succinic acid production by Actinobacillus succinogenes

    Jian Li;Xiao-Yu Zheng;Xiao-Jiang Fang;Shu-Wen Liu

  • Ultrasonic pretreatment and acid hydrolysis of sugarcane bagasse for succinic acid production using Actinobacillus succinogenes

    Yong-lan Xi;Wen-yu Dai;Rong Xu;Jiu-hua Zhang

  • Effect of phosphoric acid pretreatment on enzymatic hydrolysis of microcrystalline cellulose.

    Juanhua Zhang;Beixiao Zhang;Jingqiang Zhang;Lu Lin

  • Efficient and stable Cu-Ni/ZrO2 catalysts for in situ hydrogenation and deoxygenation of oleic acid into heptadecane using methanol as a hydrogen donor

    Zihao Zhang;Hao Chen;Changxue Wang;Kequan Chen

  • Catalytic in-Situ Hydrogenation of Furfural over Bimetallic Cu–Ni Alloy Catalysts in Isopropanol

    Zihao Zhang;Zehua Pei;Hao Chen;Kequan Chen

  • gTME for Improved Xylose Fermentation of Saccharomyces cerevisiae

    Hongmei Liu;Ming Yan;Cangang Lai;Lin Xu

  • Molecular characterization of a novel chitinase Cm Chi1 from Chitinolyticbacter meiyuanensis SYBC-H1 and its use in N -acetyl- d -glucosamine production

    Alei Zhang;Yumei He;Guoguang Wei;Jie Zhou

  • Enhanced succinic acid production from corncob hydrolysate by microbial electrolysis cells

    Yan Zhao;Weijia Cao;Zhen Wang;Bowen Zhang

  • Clean conversion of cellulose into fermentable glucose.

    Yong Sun;Junping Zhuang;Lu Lin;Pingkai Ouyang

Frequent Co-Authors

Kequan Chen
Kequan Chen Nanjing Tech University
Jie Fu
Jie Fu Zhejiang University
He Huang
He Huang Nanjing Tech University
Shusheng Zhang
Shusheng Zhang Qingdao University of Science and Technology
Xiao-Jun Ji
Xiao-Jun Ji Nanjing Tech University
Pu Chen
Pu Chen University of Waterloo
Jingguang G. Chen
Jingguang G. Chen Columbia University
Jun Wang
Jun Wang Jiangsu University
Yimei Zhu
Yimei Zhu Brookhaven National Laboratory
Yong Qin
Yong Qin Chinese Academy of Sciences

External Links

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Related Online Degrees & Career Pathways

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Finally, those interested in the psychological aspects of forensic work might consider forensic psychology master's programs online. These programs integrate chemistry with behavioral science, preparing graduates for careers that assess criminal behavior and aid legal investigations.

Best Scientists Citing Pingkai Ouyang

He Huang

He Huang

Nanjing Tech University

Publications: 68

Xiao-Jun Ji

Xiao-Jun Ji

Nanjing Tech University

Publications: 66

Ping Xu

Ping Xu

Shanghai Jiao Tong University

Publications: 37

Cuiqing Ma

Cuiqing Ma

Shandong University

Publications: 29

Guocheng Du

Guocheng Du

Jiangnan University

Publications: 26

Shang-Tian Yang

Shang-Tian Yang

The Ohio State University

Publications: 24

Apostolis A. Koutinas

Apostolis A. Koutinas

Agricultural University of Athens

Publications: 22

Jo Shu Chang

Jo Shu Chang

National Cheng Kung University

Publications: 18

Yong Q. Chen

Yong Q. Chen

Jiangnan University

Publications: 18

Yunfeng Lu

Yunfeng Lu

University of California, Los Angeles

Publications: 17

Ashok Pandey

Ashok Pandey

Indian Institute of Toxicology Research

Publications: 16

Sang Yup Lee

Sang Yup Lee

Korea Advanced Institute of Science and Technology

Publications: 15

Raveendran Sindhu

Raveendran Sindhu

National Institute for Interdisciplinary Science and Technology

Publications: 14

Wanmeng Mu

Wanmeng Mu

Jiangnan University

Publications: 13

Si Jae Park

Si Jae Park

Ewha Womans University

Publications: 13

Wei Chen

Wei Chen

Beijing Technology and Business University

Publications: 13

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