1. Adamu CI, Nganje TN, Edet A (2015) Heavy metal contamination and health risk assessment associated with abandoned barite mines in Cross River State, southeastern Nigeria. Environ Nanotechnol Monit Manag 3:10–21
2. Aditya T, Bitu G, Mercy Eleanor G (2016) The Role of Algae in Pharmaceutical Development. Research & Reviews: J Pharm Nanotech 4:82–89
3. Agustina S, Aidha NN, Oktarina E (2020) The 6th international symposium on applied chemistry (ISAC). In: IOP conference series: materials science and engineering, vol 1011 (2021). IOP Publishing, p 012057
4. Ahmad F, Khan AU, Yasar A (2013) Comparative phycoremediation of sewage water by various species of algae. Proc Pak Acad Sci 50:131–139
5. Ahmed S, Griffin TS, Kraner D, Schaffner MK, Sharma D, Hazel M (2019) Environmental factors variably impact tea secondary metabolites in the context of climate change. Front Plant Sci 10:939