Helena C. Junqueira

2.5k total citations · 1 hit paper
33 papers, 2.0k citations indexed

About

Helena C. Junqueira is a scholar working on Pulmonary and Respiratory Medicine, Molecular Biology and Materials Chemistry. According to data from OpenAlex, Helena C. Junqueira has authored 33 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Pulmonary and Respiratory Medicine, 15 papers in Molecular Biology and 9 papers in Materials Chemistry. Recurrent topics in Helena C. Junqueira's work include Photodynamic Therapy Research Studies (17 papers), Lipid Membrane Structure and Behavior (7 papers) and Porphyrin and Phthalocyanine Chemistry (7 papers). Helena C. Junqueira is often cited by papers focused on Photodynamic Therapy Research Studies (17 papers), Lipid Membrane Structure and Behavior (7 papers) and Porphyrin and Phthalocyanine Chemistry (7 papers). Helena C. Junqueira collaborates with scholars based in Brazil, France and United Kingdom. Helena C. Junqueira's co-authors include Maurı́cio S. Baptista, Divinomar Severino, Dino Santesso Gabrielli, Dayane Batista Tada, Auro del Giglio, Rozane F. Turchiello, João Paulo Tardivo, Carla de Oliveira, Rosângela Itri and Marcos Gugliotti and has published in prestigious journals such as Journal of the American Chemical Society, SHILAP Revista de lepidopterología and Langmuir.

In The Last Decade

Helena C. Junqueira

32 papers receiving 2.0k citations

Hit Papers

1 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.

Methylene blue in photodynamic therapy: From basic mechanisms to clinical applications

2005 715 citations João Paulo Tardivo, Auro del Giglio et al. Photodiagnosis and Photodynamic Therapy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Helena C. Junqueira Brazil	18	941	880	626	566	210	33	2.0k
Christiane Pavani Brazil	20	928 1.0×	766 0.9×	548 0.9×	399 0.7×	237 1.1×	76	1.9k
Mariana Vignoni Argentina	18	586 0.6×	434 0.5×	412 0.7×	458 0.8×	213 1.0×	36	1.3k
Carolina Lorente Argentina	27	1.1k 1.2×	612 0.7×	657 1.0×	967 1.7×	362 1.7×	75	2.5k
Lorenzo Brancaleon United States	23	627 0.7×	529 0.6×	438 0.7×	488 0.9×	203 1.0×	66	1.7k
Dino Santesso Gabrielli Brazil	5	682 0.7×	687 0.8×	424 0.7×	280 0.5×	99 0.5×	5	1.3k
Magdalena Cañete Spain	24	837 0.9×	1.1k 1.2×	965 1.5×	615 1.1×	183 0.9×	78	2.5k
Janice Rodrigues Perussi Brazil	21	670 0.7×	589 0.7×	344 0.5×	320 0.6×	122 0.6×	65	1.2k
Brijesh Bhayana United States	24	384 0.4×	386 0.4×	203 0.3×	364 0.6×	744 3.5×	35	1.8k
Ya Gao China	31	188 0.2×	864 1.0×	665 1.1×	1.0k 1.8×	292 1.4×	143	2.8k
Tania M. Yoshimura Brazil	11	500 0.5×	527 0.6×	279 0.4×	182 0.3×	107 0.5×	21	1.0k

Countries citing papers authored by Helena C. Junqueira

Since Specialization

Citations

This map shows the geographic impact of Helena C. Junqueira'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 Helena C. Junqueira with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Helena C. Junqueira more than expected).

Fields of papers citing papers by Helena C. Junqueira

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Helena C. Junqueira. 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 Helena C. Junqueira. The network helps show where Helena C. Junqueira may publish in the future.

Co-authorship network of co-authors of Helena C. Junqueira

This figure shows the co-authorship network connecting the top 25 collaborators of Helena C. Junqueira. A scholar is included among the top collaborators of Helena C. Junqueira 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 Helena C. Junqueira. Helena C. Junqueira 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

Yukuyama, Megumi Nishitani, Alex Inague, Miriam Uemi, et al.. (2025). Comparative study of ergosterol and 7‐dehydrocholesterol and their endoperoxides: Generation, identification, and impact in phospholipid membranes and melanoma cells. Photochemistry and Photobiology. 101(4). 960–978. 1 indexed citations

Junqueira, Helena C., Henrique E. Toma, Bruno Pedras, et al.. (2024). Unprecedented light induced aggregation of cationic 1,4,5,8-naphthalenediimide amphiphiles. Journal of Materials Chemistry C. 12(11). 3888–3896. 1 indexed citations

Prado, Fernanda M., et al.. (2024). Plasmalogen oxidation induces the generation of excited molecules and electrophilic lipid species. PNAS Nexus. 3(6). pgae216–pgae216. 2 indexed citations

Martins, Waleska K., et al.. (2023). Photodynamic Activity of Acridine Orange in Keratinocytes under Blue Light Irradiation. SHILAP Revista de lepidopterología. 3(2). 209–226. 3 indexed citations

Junqueira, Helena C., et al.. (2023). The Phototoxicity Action Spectra of Visible Light in HaCaT Keratinocytes. SSRN Electronic Journal. 2 indexed citations

Junqueira, Helena C., A. Schröder, Fabrice Thalmann, et al.. (2021). Molecular organization in hydroperoxidized POPC bilayers. Biochimica et Biophysica Acta (BBA) - Biomembranes. 1863(10). 183659–183659. 14 indexed citations

Vignoni, Alejandro, Helena C. Junqueira, Andrés H. Thomas, et al.. (2021). Alkylation of a hydrophilic photosensitizer enhances the contact-dependent photo-induced oxidation of phospholipid membranes. Dyes and Pigments. 187. 109131–109131. 10 indexed citations

Tasso, Thiago Teixeira, Jan C. Schlothauer, Helena C. Junqueira, et al.. (2019). Photobleaching Efficiency Parallels the Enhancement of Membrane Damage for Porphyrazine Photosensitizers. Journal of the American Chemical Society. 141(39). 15547–15556. 67 indexed citations

Fernandes, Adjaci Uchôa, et al.. (2019). Bimetallic nanoparticles enhance photoactivity of conjugated photosensitizer. Nanotechnology. 31(9). 95102–95102. 6 indexed citations

10.

Junqueira, Helena C., et al.. (2018). Antioxidant role on the protection of melanocytes against visible light-induced photodamage. Free Radical Biology and Medicine. 131. 399–407. 17 indexed citations

11.

Vignoni, Mariana, Helena C. Junqueira, Alexander Greer, et al.. (2018). Photo-Oxidation of Unilamellar Vesicles by a Lipophilic Pterin: Deciphering Biomembrane Photodamage. Langmuir. 34(50). 15578–15586. 23 indexed citations

12.

Bacellar, Isabel O. L., Maurı́cio S. Baptista, Helena C. Junqueira, et al.. (2018). Permeability of DOPC bilayers under photoinduced oxidation: Sensitivity to photosensitizer. Biochimica et Biophysica Acta (BBA) - Biomembranes. 1860(11). 2366–2373. 12 indexed citations

13.

Junqueira, Helena C., et al.. (2017). Fluorescent and Photosensitizing Conjugates of Cell-Penetrating Peptide TAT(47-57): Design, Microwave-Assisted Synthesis at 60 °C, and Properties. ACS Omega. 2(11). 8156–8166. 5 indexed citations

14.

Chiarelli-Neto, Orlando, Helena C. Junqueira, Ii‐Sei Watanabe, et al.. (2017). Lipofuscin Generated by UVA Turns Keratinocytes Photosensitive to Visible Light. Journal of Investigative Dermatology. 137(11). 2447–2450. 31 indexed citations

15.

Tsubone, Tayana Mazin, Waleska K. Martins, Christiane Pavani, et al.. (2017). Enhanced efficiency of cell death by lysosome-specific photodamage. Scientific Reports. 7(1). 6734–6734. 98 indexed citations

16.

Martins, Waleska K., Érico T. Costa, Helena C. Junqueira, et al.. (2016). Membrane damage by betulinic acid provides insights into cellular aging. Biochimica et Biophysica Acta (BBA) - General Subjects. 1861(1). 3129–3143. 17 indexed citations

17.

Itri, Rosângela, Helena C. Junqueira, Omar Mertins, & Maurı́cio S. Baptista. (2014). Membrane changes under oxidative stress: the impact of oxidized lipids. Biophysical Reviews. 6(1). 47–61. 136 indexed citations

18.

Junqueira, Helena C., et al.. (2014). Effect of pH and dye concentration on the n-octanol/water distribution ratio of phenothiazine dyes: a microelectrode voltammetry study. Electrochimica Acta. 144. 154–160. 10 indexed citations

19.

Weber, G., Thierry Charitat, Maurı́cio S. Baptista, et al.. (2013). Lipid oxidation induces structural changes in biomimetic membranes. Soft Matter. 10(24). 4241–4241. 100 indexed citations

20.

Tardivo, João Paulo, Auro del Giglio, Carla de Oliveira, et al.. (2005). Methylene blue in photodynamic therapy: From basic mechanisms to clinical applications. Photodiagnosis and Photodynamic Therapy. 2(3). 175–191. 715 indexed citations breakdown →

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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