Ronald Halim

3.1k total citations · 1 hit paper
32 papers, 2.3k citations indexed

About

Ronald Halim is a scholar working on Renewable Energy, Sustainability and the Environment, Molecular Biology and Biomedical Engineering. According to data from OpenAlex, Ronald Halim has authored 32 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Renewable Energy, Sustainability and the Environment, 9 papers in Molecular Biology and 9 papers in Biomedical Engineering. Recurrent topics in Ronald Halim's work include Algal biology and biofuel production (26 papers), Biodiesel Production and Applications (6 papers) and Photosynthetic Processes and Mechanisms (4 papers). Ronald Halim is often cited by papers focused on Algal biology and biofuel production (26 papers), Biodiesel Production and Applications (6 papers) and Photosynthetic Processes and Mechanisms (4 papers). Ronald Halim collaborates with scholars based in Australia, Ireland and China. Ronald Halim's co-authors include Paul A. Webley, Michael K. Danquah, Brendan Gladman, Michael Danquah, Razif Harun, Su Lin Lim, Dedreia Tull, Thusitha Rupasinghe, Gregory J.O. Martin and George Q. Chen and has published in prestigious journals such as Bioresource Technology, Scientific Reports and Chemical Engineering Journal.

In The Last Decade

Ronald Halim

29 papers receiving 2.2k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Extraction of oil from microalgae for biodiesel production: A review

2012 759 citations Ronald Halim, Paul A. Webley et al. Biotechnology Advances profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Ronald Halim Australia	17	1.8k	1.1k	652	195	148	32	2.3k
Taurai Mutanda South Africa	17	1.8k 1.0×	1.1k 1.0×	655 1.0×	96 0.5×	295 2.0×	29	2.8k
R. Ranjith Kumar India	10	1.7k 0.9×	835 0.8×	363 0.6×	96 0.5×	229 1.5×	15	2.0k
Kalyan Gayen India	21	905 0.5×	898 0.8×	694 1.1×	87 0.4×	87 0.6×	51	1.9k
Ana Cristina Oliveira Portugal	17	1.3k 0.7×	826 0.8×	662 1.0×	64 0.3×	171 1.2×	33	1.9k
Mark Horsman Canada	8	1.8k 1.0×	764 0.7×	668 1.0×	66 0.3×	301 2.0×	11	2.3k
Alfonso Robles Medina Spain	34	2.6k 1.4×	1.7k 1.5×	1.8k 2.8×	175 0.9×	343 2.3×	57	4.3k
Kuei-Ling Yeh Taiwan	8	1.7k 0.9×	739 0.7×	407 0.6×	51 0.3×	254 1.7×	9	2.1k
Giulia Padovani Italy	10	2.1k 1.1×	818 0.7×	675 1.0×	64 0.3×	365 2.5×	13	2.4k
Senthil Chinnasamy India	22	1.9k 1.1×	1.1k 1.0×	349 0.5×	57 0.3×	335 2.3×	30	2.6k
Bruno D. Fernandes Portugal	15	1.3k 0.7×	863 0.8×	436 0.7×	32 0.2×	218 1.5×	24	2.2k

Countries citing papers authored by Ronald Halim

Since Specialization

Citations

This map shows the geographic impact of Ronald Halim's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ronald Halim with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ronald Halim more than expected).

Fields of papers citing papers by Ronald Halim

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ronald Halim. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ronald Halim. The network helps show where Ronald Halim may publish in the future.

Co-authorship network of co-authors of Ronald Halim

This figure shows the co-authorship network connecting the top 25 collaborators of Ronald Halim. A scholar is included among the top collaborators of Ronald Halim based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ronald Halim. Ronald Halim is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Halim, Ronald, et al.. (2025). Metabolic changes and biochemical degradation during dark anoxic incubation of Nannochloropsis: implications for low-energy microalgal cell rupture. Bioprocess and Biosystems Engineering. 48(8). 1399–1420. 1 indexed citations

Rahimi, Mohammadhosein, Paul A. Webley, Gregory Martin, & Ronald Halim. (2025). Nitrogen starvation for fuel production from Nannochloropsis: A trade-off between calorific lipid accumulation and energy loss for cell disruption. Chemical Engineering Journal Advances. 23. 100812–100812.

Halim, Ronald, et al.. (2025). Marine and freshwater Nannochloropsis for the bioremediation of brewery wastewater, CO2 capture, and CO-production of omega-3 lipids. Algal Research. 90. 104194–104194.

Kiani, Hossein, et al.. (2024). Persian everlasting pea (Lathyrus rotundifolius L.) protein isolate as a potential protein source for food application: Effect of ultrasound‐assisted extraction method on the properties of the protein isolates. Journal of Food Process Engineering. 47(1). 4 indexed citations

Halim, Ronald, et al.. (2024). Cell Walls of Lipid-Rich Microalgae: A Comprehensive Review on Characterisation, Ultrastructure, and Enzymatic Disruption. Fermentation. 10(12). 608–608. 16 indexed citations

Halim, Ronald, et al.. (2024). Potensi β-tricalcium phosphate sebagai kandidat material pulp capping. 6(1). 126–129.

Li, Yuchen, et al.. (2024). Freshwater microalgae Nannochloropsis limnetica for the production of β-galactosidase from whey powder. Scientific Reports. 14(1). 14346–14346. 1 indexed citations

Halim, Ronald, et al.. (2023). Mercury Determination in Fish Using Cold Vapour-Atomic Absorption Spectrometry (CV-AAS) with Sodium Borohydride (NaBH₄) as the Reductor. IOP Conference Series Earth and Environmental Science. 1201(1). 12026–12026. 2 indexed citations

Li, Yuchen, et al.. (2023). Mechanism of lactose assimilation in microalgae for the bioremediation of dairy processing side-streams and co-production of valuable food products. Journal of Applied Phycology. 35(4). 1649–1661. 16 indexed citations

10.

Halim, Ronald, Ioannis Papachristou, George Q. Chen, et al.. (2022). The effect of cell disruption on the extraction of oil and protein from concentrated microalgae slurries. Bioresource Technology. 346. 126597–126597. 19 indexed citations

11.

Kiani, Hossein, et al.. (2022). Nitrogen and phosphate removal from dairy processing side-streams by monocultures or consortium of microalgae. Journal of Biotechnology. 361. 1–11. 28 indexed citations

12.

Chen, George Q., et al.. (2021). Comparative study on tartaric acid production by two-chamber and three-chamber electro-electrodialysis. Separation and Purification Technology. 263. 118403–118403. 27 indexed citations

13.

Halim, Ronald, Ioannis Papachristou, Christin Kubisch, et al.. (2020). Hypotonic osmotic shock treatment to enhance lipid and protein recoveries from concentrated saltwater Nannochloropsis slurries. Fuel. 287. 119442–119442. 22 indexed citations

14.

Halim, Ronald, David R. Hill, Eric Hanssen, Paul A. Webley, & Gregory J.O. Martin. (2019). Thermally coupled dark-anoxia incubation: A platform technology to induce auto-fermentation and thus cell-wall thinning in both nitrogen-replete and nitrogen-deplete Nannochloropsis slurries. Bioresource Technology. 290. 121769–121769. 15 indexed citations

15.

Halim, Ronald, et al.. (2018). Conversion and recovery of saponifiable lipids from microalgae using a nonpolar solvent via lipase-assisted extraction. Bioresource Technology. 260. 338–347. 30 indexed citations

16.

Halim, Ronald, Thusitha Rupasinghe, Dedreia Tull, & Paul A. Webley. (2013). Mechanical cell disruption for lipid extraction from microalgal biomass. Bioresource Technology. 140. 53–63. 106 indexed citations

17.

Halim, Ronald, et al.. (2012). Extraction of oil from microalgae for biodiesel production: A review. Biotechnology Advances. 30(3). 709–732. 759 indexed citations breakdown →

18.

Halim, Ronald, Brendan Gladman, Michael Danquah, & Paul A. Webley. (2010). Oil extraction from microalgae for biodiesel production. Bioresource Technology. 102(1). 178–185. 491 indexed citations

19.

Danquah, Michael K., Razif Harun, Ronald Halim, & Gareth M. Forde. (2010). Cultivation medium design via elemental balancing for tetraselmis suecica. University of Zagreb University Computing Centre (SRCE). 4 indexed citations

20.

Lim, Su Lin, et al.. (2010). Chlorophyll Extraction from Microalgae: A Review on the Process Engineering Aspects. International Journal of Chemical Engineering. 2010. 1–11. 255 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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