Abdelhameed, R. E., Abdalla, H., & Ibrahim, M. A. (2024). Unique properties of titanium dioxide quantum dots assisted regulation of growth and biochemical parameters of Hibiscus sabdariffa plants. BMC Plant Biology, 24(1); 112.
Abdel-Wahhab, M. A., El-Nekeety, A. A., Mohammed, H. E., Elshafey, O. I., Abdel-Aziem, S. H., & Hassan, N. S. (2021). Elimination of oxidative stress and genotoxicity of biosynthesized titanium dioxide nanoparticles in rats via supplementation with whey protein-coated thyme essential oil. Environmental Science and Pollution Research, 28(41); 57640–57656.
Acosta-Slane, S. R., Sánchez, E., Contreras, M. R., & Morales, D. (2024). Effect of nanoparticles on the physiological and biochemical responses of alfalfa plants. Environmental Nanotechnology, Monitoring and Management, 23; 100801.
Aebi, H. (1984). Catalase in vitro. Methods in Enzymology, 105; 121–126.
Agarwal, H., & Chibber, S. (2017). Impact of metal oxide nanoparticles on plant growth and development. Environmental Science and Pollution Research, 24; 16335–16359.
Alabdallah, N. M., Alzahrani, S. M., & Ahmed, S. (2024). Environmental implications of titanium dioxide nanoparticles: toxicity and safe management. Journal of Environmental Management, 353; 120356.
Babaei, M., Ahmad, A., Naderi, R., & Hashemipour, H. (2025). Phytotoxicity and antioxidative responses of plants exposed to TiO₂ nanoparticles. Plant Physiology Reports, 30(1); 45–57.
Blas-Valdivia, V., Moran-Dorantes, D. N., Rojas-Franco, P., Franco-Colin, M., Mirhosseini, N., Davarnejad, R., & Cano-Europa, E. (2022). C-Phycocyanin prevents acute myocardial infarction-induced oxidative stress, inflammation and cardiac damage. Pharmaceutical Biology, 60(1); 755–763.
Buege, J. A., & Aust, S. D. (1978). Microsomal lipid peroxidation. Methods in Enzymology, 52; 302–310.
Burtis, C. A., & Ashwood, E. R. (1999). Tietz Textbook of Clinical Chemistry, 3rd ed. WB Saunders Company.
Cao, J., Zheng, X., Li, Z., Zheng, M., Qian, C., Shen, S., & Qi, X. (2024). Exploring marine algae-derived phycocyanin nanoparticles as a safe and effective adjuvant for sunscreen systems. Discover Applied Sciences, 6(1); 24.
Chapman, H. D., & Pratt, P. F. (1962). Methods of analysis for soils, plants and waters. Soil Science, 93(1); 68.
Citi, V., Torre, S., Flori, L., Usai, L., Aktay, N., Dunford, N. T., & Nieri, P. (2024). Nutraceutical features of C-phycocyanin: evidence from Arthrospira platensis (Spirulina). Nutrients, 16(11); 1752.
Cresser, M. S., & Parsons, J. W. (1979). Sulphuric–Perchloric acid digestion of plant material for the determination of nitrogen, phosphorus, potassium, calcium and magnesium. Analytica Chimica Acta, 109(2); 431–436.
Dong, Y., Zhao, Y., Chen, Z., & Xu, J. (2022). Protective effects of C-phycocyanin on oxidative stress. Ecotoxicology and Environmental Safety, 244; 114040.
El-Saadony, M. T., Saad, A. M., Almoshadak, A. S., et al. (2022). Nanomaterials and their environmental impact: a global concern. Environmental Research, 214; 113882.
Emamverdian, A., Ding, Y., Barker, J., Liu, G., Hasanuzzaman, M., Li, Y., & Mokhberdoran, F. (2022). Co-application of 24-epibrassinolide and titanium oxide nanoparticles promotes Pleioblastus pygmaeus plant tolerance to Cu and Cd toxicity. Antioxidants, 11(3); 451.
Farooq, M. A., Dietz, K. J., & Ahmad, M. (2014). Plant responses to oxidative stress and the protective role of antioxidants. Environmental and Experimental Botany, 100; 89–98.
Fernandes, T., Reis, A., & Teixeira, J. (2023). C-phycocyanin: structure, properties, and potential applications in health and agriculture. Applied Biochemistry and Biotechnology, 195; 367–382.
Carbajal-Vázquez, V. H., Trejo-Téllez, L. I., Mejía-Méndez, J. L., Salinas-Ruiz, J., & Gómez-Merino, F. C. (2025). Biostimulant effects of titanium dioxide nanoparticles on germination and initial growth of tomato: evidence of hormesis. PeerJ, 13, e20516.
Giannopolitis, C. N., & Ries, S. K. (1977). Superoxide dismutases: I. Occurrence in higher plants. Plant Physiology, 59(2); 309–314.
Gohari, G., Panah, M. H., & Akbari, M. (2020). Titanium dioxide nanoparticles and plant stress responses. Plant Stress Physiology, 28; 102–115.
Herbert, D., Phipps, P. J., & Strange, R. E. (1971). Chapter III chemical analysis of microbial cells. Methods in Microbiology, 5; 209–344.
Husain, A., Khanam, A., Alouffi, S., Shahab, U., Alharazi, T., Maarfi, F., & Ahmad, S. (2024). C-phycocyanin from cyanobacteria: a therapeutic journey from antioxidant defence to diabetes management and beyond. Phytochemistry Reviews, 1–19.
Iqbal, A., Mo, Z., Pan, S. G., Qi, J. Y., Hua, T., Imran, M., & Tang, X. (2023). Exogenous TiO₂ nanoparticles alleviate Cd toxicity by reducing Cd uptake and regulating plant physiological activity. Metabolites, 13(6); 765.
Johansson, L. H., & Borg, L. H. (1988). A spectrophotometric method for determination of catalase activity in small tissue samples. Analytical Biochemistry, 174(1); 331–336.
Johnson, G. R. (1973). Diallel analysis of leaf area heterosis and relationships to yield in maize. Crop Science, 13(2); 178–180.
Kanta, C., Kumar, A., Chauhan, A., Singh, H., & Sharma, I. P. (2024). The interplay between plant functional traits and climate change. Plant Functional Traits for Improving Productivity, 41–58.
Kong, L., Wang, L., & Chen, H. (2022). Effects of TiO₂ nanoparticles on plant pigments and antioxidant systems. Chemosphere, 287; 132218.
Kumar, D., Dhankher, O. P., Tripathi, R. D., & Seth, C. S. (2023). Titanium dioxide nanoparticles potentially regulate the mechanisms for photosynthetic attributes and antioxidant defense machinery. Journal of Hazardous Materials, 454; 131418.
Mackinney, G. R. (1941). Absorption of light by chlorophyll solutions. Journal of Biological Chemistry, 140(2); 315–322.
Marklund, S., & Marklund, G. (1974). Involvement of the superoxide anion radical in the autoxidation of pyrogallol and a convenient assay for superoxide dismutase. European Journal of Biochemistry, 47(3); 469–474.
Metwally, A., Sayed, A. A., & Hussein, A. (2022). Eco-friendly potential of phycocyanin for mitigating environmental stress. Environmental Nanotechnology, 20; 100763.
Mohajjel Shoja, H., Hashemipour, H., & Ahmad, A. (2021). Oxidative stress and genotoxicity in plants exposed to titanium dioxide nanoparticles. Environmental Science and Pollution Research, 28; 44317–44328.
Nguyen, H. T., Lee, K. H., & Park, S. H. (2025). C-phycocyanin activates the Nrf2 signaling pathway and enhances antioxidant enzyme expression. Environmental and Experimental Botany, 226; 105002.
Nurjannah, I., Subroto, T., Hardianto, A., Adinisa, L., & Mochida, K. (2025). Key nutrient drivers for biomass and C-phycocyanin production in Spirulina sp. International Journal of Molecular Sciences, 26(21); 10425.
Páramo, L. A., Ramírez, J. E., & Torres, C. (2023). Evaluation of alfalfa as a bioindicator for nanoparticle contamination. Journal of Environmental Biology, 44; 178–185.
Puengpan, W., Somboon, P., & Boonchai, S. (2024). Role of phycocyanin in modulating antioxidant defense mechanisms. Phytotherapy Research, 38(2); 823–834.
Ramadan, T., Sayed, S. A., Abd-Elaal, A. K., & Amro, A. (2022). The combined effect of water deficit stress and TiO₂ nanoparticles on cell membrane and antioxidant enzymes in Helianthus annuus L. Physiology and Molecular Biology of Plants, 28(2); 391–409.
Romay, C. H., Armesto, J., Remirez, D., González, R., Ledon, N., & García, I. (1998). Antioxidant and anti-inflammatory properties of C-phycocyanin from blue-green algae. Inflammation Research, 47(1); 36–41.
Romay, C., Gonzalez, R., & Ledon, N. (2003). Phycocyanin: a biliprotein with antioxidant, anti-inflammatory, and neuroprotective properties. Current Protein and Peptide Science, 4; 207–216.
Rotruck, J. T., Pope, A. L., Ganther, H. E., Swanson, A. B., Hafeman, D. G., & Hoekstra, W. (1973). Selenium: biochemical role as a component of glutathione peroxidase. Science, 179(4073); 588–590.
Kumari, A., Gupta, A. K., Sharma, S., Jadon, V. S., Sharma, V., Chun, S. C., & Sivanesan, I. (2024). Nanoparticles as a tool for alleviating plant stress: mechanisms, implications, and challenges. Plants, 13(11), 1528.
Sayed, A. A., Soliman, A. M., Taha, M. A., & Sadek, S. A. (2022). Spirulina and C-phycocyanin mitigate titanium dioxide nanoparticle-induced hematobiochemical and hepatorenal disorders through antioxidative pathway. Food Chemistry Advances, 1; 100035.
Singh, N. P., McCoy, M. T., Tice, R. R., & Schneider, E. L. (1988). A simple technique for quantitation of low levels of DNA damage in individual cells. Experimental Cell Research, 175(1); 184–191.
Soror, A. F. S., Ahmed, M. W., & Saffan, S. S. (2023). Prospective response of Phaseolus vulgaris seeds primed in silver nanoparticles and phycocyanin. Egyptian Journal of Phycology, 24(1); 128–160.
Sun, B., Hu, M., Lan, X., Waiho, K., Lv, X., Xu, C., & Wang, Y. (2024). Nano-titanium dioxide exacerbates the harmful effects of perfluorooctanoic acid on mussels. Environment International, 187; 108681.
Tuncsoy, B., & Mese, Y. (2021). Influence of titanium dioxide nanoparticles on bioaccumulation and antioxidant defense. Environmental Science and Pollution Research, 28(28); 38007–38015.
Venkidasamy, B., Karthikeyan, M., & Ramalingam, S. (2019). Methods/protocols for determination of oxidative stress in crop plants. Reactive Oxygen, Nitrogen and Sulfur Species in Plants: Production, Metabolism, Signaling and Defense Mechanisms, 421–435.
Wang, S., Alenius, H., El-Nezami, H., & Karisola, P. (2022). A new look at the effects of engineered ZnO and TiO₂ nanoparticles: evidence from transcriptomics studies. Nanomaterials, 12(8); 1247.
Yu, Z., Hong, Y., Xie, K., & Fan, Q. (2022). Research progresses on the physiological and pharmacological benefits of microalgae-derived biomolecules. Foods, 11(18); 2806.
Zamora-Ledezma, E., Aragundi, G. L. L., Guamán Marquines, W. S., Macías Pro, M. A., García Díaz, J. V., & Zamora-Ledezma, C. (2025). Phytotoxic effects and agricultural potential of nanofertilizers. Journal of Xenobiotics, 15(4); 123.