Search results: 6,344 results (approx.)

1. Production of selenium-enriched microalgae as potential feed supplement in high-rate algae ponds treating domestic wastewater.

This study assessed the selenium (Se) removal efficiency of two pilot-scale high-rate algae ponds (HRAPs) treating domestic wastewater and investigated the production of Se-enriched microalgae as potential feed supplement. The HRAP-Se had an average Se, NH4+-N, total phosphorus and COD removal...

Author(s) : Li Jun; Otero-Gonzalez, L.; Michiels, J.; Lens, P. N. L.; Laing, G. D.; Ferrer, I.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.333

2. Enhancing growth, phycoerythrin production, and pigment composition in the red alga Colaconema sp. through optimal environmental conditions in an indoor system.

Phycoerythrin (PE) is a compound with strong potential for both basic research and industrial applications, but short supply and high prices have so far hindered its development. One common problem is a shortage of biomass for extraction. The aim of the present study was to determine a cultivation...

Author(s) : Lee MengChou; Yeh HanYang; Jhang FuJie; Lee PoTsang; Lin YungKai; Nan FanHua

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.333

3. Lutein production with Chlorella sorokiniana MB-1-M12 using novel two-stage cultivation strategies - metabolic analysis and process improvement.

Microalgae-derived carotenoids have increasingly been considered as feasible green alternatives for synthetic antioxidants. In this study, the lutein high-yielding strain (Chlorella sorokiniana MB-1; henceforth MB-1) and its mutant derivative (C. sorokiniana MB-1-M12; henceforth M12) were evaluated ...

Author(s) : Chen JihHeng; Kato Yuichi; Matsuda MaMi; Chen ChunYen; Nagarajan, D.; Hasunuma, T.; Kondo, A.; Chang JoShu

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.334

4. Vitamin C from seaweed: a review assessing seaweed as contributor to daily intake.

Seaweeds are indiscriminately said to contain significant amounts of vitamin C, but seaweeds are a diverse group, which may limit the ability to generalize. Several studies have been performed on vitamin C in seaweed, and this review covers these findings, and concludes on how much vitamin C is...

Author(s) : Nielsen, C. W.; Rustad, T.; Holdt, S. L.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Foods 2021 Vol.10 No.1 ref.66

5. Assessing toxicity of hydrophobic aliphatic and monoaromatic hydrocarbons at the solubility limit using novel dosing methods.

Reliable delineation of aquatic toxicity cut-offs for poorly soluble hydrocarbons is lacking. In this study, vapor and passive dosing methods were applied in limit tests with algae and daphnids to evaluate the presence or absence of chronic effects at exposures corresponding to the water solubility ...

Author(s) : Parkerton, T. F.; Letinski, D. J.; Febbo, E. J.; Butler, J. D.; Sutherland, C. A.; Bragin, G. E.; Hedgpeth, B. M.; Kelley, B. A.; Redman, A. D.; Mayer, P.; Camenzuli, L.; Vaiopoulou, E.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Chemosphere 2021 Vol.265 ref.many

6. Effect of residence time in continuous photobioreactor on mass and energy balance of microalgal protein production.

There is increasing interest in new protein sources for the food and feed industry and for the agricultural sector, and microalgae are considered a good alternative, having a high protein content and a well-balanced amino acid profile. However, protein production from microalgae presents several...

Author(s) : Borella, L.; Sforza, E.; Bertucco, A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : New Biotechnology 2021 Vol.64 pp.46-53

7. Sustainable valorization of meat processing wastewater with synergetic eutectic mixture based purification of R-phycoerythrin from Porphyrium cruentium.

Wastewater effluent from meat processing industries are enriched with nutrients but remain underutilized. Therefore, an efficient method was administered by employing this resource for the cultivation of Porphyreum cruentium. The cultured biomass was exposed to a one-step disruption and selective...

Author(s) : Balaraman, H. B.; Arvind Sivasubramanian; Rathnasamy, S. K.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.336

8. Is social license to operate relevant for seaweed cultivation in Europe?

The need for more sustainable sources of food, chemicals, and energy, combined with the European Union's Blue Growth Agenda and national policies of European Economic Area member states, has facilitated increasing interest in the cultivation of seaweed in European waters. There have been several...

Author(s) : Billing SuzannahLynn; Rostan, J.; Tett, P.; Macleod, A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Aquaculture 2021 Vol.534

9. Perspective of Spirulina culture with wastewater into a sustainable circular bioeconomy.

Spirulina biomass accounts for 30% of the total algae biomass production globally. In conventional process of Spirulina biomass production, cultivation using chemical-based culture medium contributes 35% of the total production cost. Moreover, the environmental impact of cultivation stage is the...

Author(s) : Lim HooiRen; Khoo KuanShiong; Chew KitWayne; Chang ChihKai; Munawaroh, H. S. H.; Kumar, P. S.; Nguyen Duc Huy; Show, P. L.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Environmental Pollution 2021 Vol.284

10. Growth rate and pigment contents of grown Dunaliella viridis microalgae in different levels of a fishmeal factory wastewater.

The present study investigated the cultivation of Dunaliella viridis microalgae in the stickwater (SW) from the wastewater of fishmeal factories. For this purpose, Gillard culture medium (F/2) was used as a control treatment and five different levels of SW including 10, 25, 50, 75, and 100% were...

Author(s) : Hadizadeh, Z.; Mehrgan, M. S.; Shekarabi, S. P. H.

Publisher : Iranian Fisheries Science Research Institute, Tehran, Iran

Journal article : Iranian Scientific Fisheries Journal 2021 Vol.29 No.6 pp.fa99-fa107 ref.24

11. 'Proof of concept' of how tube-net diameter affects growth and agar content in industrially important farmed red seaweed Gracilaria dura.

Several emerging therapeutic applications of agar and its derivatives make it one of the sought-after hydrocolloids, commanding the highest price in global markets. In India farming of local agarophyte species is commercially successful supporting domestic demand coupled with natural harvesting....

Author(s) : Yashesh Shah; Anshul Yadav; Kumar, M. A.; Kavale, M. G.; Kamalesh Prasad; Mantri, V. A.

Publisher : Springer, Amsterdam, Netherlands

Journal article : Journal of Applied Phycology 2021 Vol.33 No.4 pp.2349-2358 ref.many

12. Effect of extraction condition on protein recovery and phenolic interference in Pacific dulse (Devaleraea mollis).

Pacific dulse (Devaleraea mollis), a type of red macroalgae, is of particular interest in the context of plant-based protein given its high protein content. One challenge in utilizing seaweed-derived protein is the poor protein recovery/yield and high cost that limits wider adaptation. In this...

Author(s) : Mendez, R. L.; Kwon JungYeon

Publisher : Springer, Amsterdam, Netherlands

Journal article : Journal of Applied Phycology 2021 Vol.33 No.4 pp.2497-2509 ref.many

13. Optimization of citric acid treatment for the sequential extraction of fucoidan and alginate from Sargassum latifolium and their potential antioxidant and Fe(III) chelation properties.

In this study, citric acid was applied as a safe organic acid for the treatment of the brown macroalga Sargassum latifolium to facilitate the sequential extraction of fucoidan and alginate without cross contamination. Box-Behnken experimental design was used to investigate the effects of citric...

Author(s) : Fawzy, M. A.; Gomaa, M.

Publisher : Springer, Amsterdam, Netherlands

Journal article : Journal of Applied Phycology 2021 Vol.33 No.4 pp.2523-2535 ref.39

14. Immobilization and growth of clonal tissue fragments from the macrophytic red alga Gracilaria vermiculophylla on porous mesh panels.

New approaches are needed to automate and intensify the cultivation of commercially important red macroalgae. For example, cultivation of Gracilaria vermiculophylla on vertically stacked panels, deployed in raceway circulation tanks or in the open ocean, may enable process intensification. A...

Author(s) : Kraai, J. A.; Rorrer, G. L.

Publisher : Springer, Amsterdam, Netherlands

Journal article : Journal of Applied Phycology 2021 Vol.33 No.4 pp.2407-2414 ref.22

15. Evaluation of flocculation performance of amphoteric flocculant when harvesting microalgae Coccomyxa sp. KJ by response surface methodology.

A response surface methodology was used to investigate the flocculation performance of an amphoteric flocculant (acrylamide-methacrylic acid ester-acrylic acid copolymer [ACPAM]) for harvesting microalgae. After three potential influencing factors (pH, dosage, and the stirring speed of an intensive ...

Author(s) : Wang, Q.; Oshita, K.; Takaoka, M.

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Journal of Environmental Management 2021 Vol.277 ref.many

16. Toward the enhancement of microalgal metabolite production through microalgae-bacteria consortia.

Engineered mutualistic consortia of microalgae and bacteria may be a means of assembling a novel combination of metabolic capabilities with potential biotechnological advantages. Microalgae are promising organisms for the sustainable production of metabolites of commercial interest, such as lipids, ...

Author(s) : González-González, L. M.; De-Bashan, L. E.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Biology 2021 Vol.10 No.4 ref.148

17. An effective process of harvesting Chlorella sp. biomass for bioresource by rapid flocculation in a helical tube.

An effective flocculation technique was developed for harvesting microalgal biomass, i.e., Chlorella 64.01, by using a home-made helical tube. The flow field characteristics in the tubes were studied by a computational fluid dynamic method. About 90% of cell recovery was achieved using 0.12 g/L...

Author(s) : Lin Zhe; Li ChengXuan; Liu JiaHeng; Yang ZhiLi; Zhang HaiYang

Publisher : Balaban Publishers - Desalination Publications, Hopkinton, USA

Journal article : Desalination and Water Treatment 2021 Vol.221 pp.440-445

18. New procedure for separation and analysis of the main components of cyanobacterial EPS.

Phototrophic biofilms produce a matrix of extracellular polymeric substances (EPS), which holds the cells together and functions inter alia as nutrient storage and protection layer. EPS mainly consist of water, polysaccharides, proteins, lipids and nucleic acids as well as lysis and hydrolysis...

Author(s) : Strieth, D.; Schwarz, A.; Stiefelmaier, J.; Erdmann, N.; Muffler, K.; Ulber, R.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Biotechnology 2021 Vol.328 pp.78-86

19. Salt-pans of Mumbai: an opportunity for sustainable development of mariculture practices along with salt-farming.

Salt-farming in Mumbai has been practiced for the past 1,500 years, around 5378 acres of land in coastal areas of this megacity has been utilized forsalt production from the month of November to June. The entire salt production area has been divided into five different zones, from the reservoirto...

Author(s) : Choudhery, A. A. B.

Publisher : WFL Publisher Ltd., Helsinki, Finland

Journal article : Journal of Food, Agriculture & Environment 2021 Vol.19 No.1 pp.74-78

20. Prediction of maximum algal productivity in membrane bioreactors with a light-dependent growth model.

Algal productivity in steady-state cultivation systems depends on important factors such as biomass concentration, solids retention time (SRT), and light intensity. Current modeling of algal growth often ignores light distribution in algal cultivation systems and does not consider all these factors ...

Author(s) : Feng Feng; Li Yan; Latimer, B.; Zhang ChiQian; Nair, S. S.; Hu ZhiQiang

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Science of the Total Environment 2021 Vol.753

21. Tuning Dunaliella tertiolecta for enhanced antioxidant production by modification of culture conditions.

Microalgae, a popular source of food and bioactive compounds, accumulate antioxidants in response to culture condition stresses. Using a factorial design (3 × 3), the effect of light, temperature, and nitrogen level on chlorophyll and carotenoids, total protein, total phenolic, ascorbate and...

Author(s) : Roy, U. K.; Nielsen, B. V.; Milledge, J. J.

Publisher : Springer, New York, USA

Journal article : Marine Biotechnology 2021 Vol.23 No.3 pp.482-500 ref.many

22. Seaweed-based biostimulant improves photosynthesis and effectively enhances growth and biofuel potential of a green microalga Chlorella variabilis.

The main aim of the present study was to determine the effects of a seaweed-based biostimulant's supplementation on the growth of Chlorella variabilis. A liquid extract from Kappaphycus alvarezii (K-sap) was prepared and supplemented in the growth medium from 0.2 to 5% concentrations. The...

Author(s) : Himanshu Sati; Kaumeel Chokshi; Rajapitamahuni Soundarya; Arup Ghosh; Sandhya Mishra

Publisher : Springer, Dordrecht, Netherlands

Journal article : Aquaculture International 2021 Vol.29 No.3 pp.963-975 ref.48

23. A novel of transforming wastewater pollution into resources for desertification control by sand-consolidating cyanobacteria, Scytonema javanicum.

Cultivation of desert cyanobacteria in wastewater can lead to the optimal redistribution of regional resources and is likely to solve two global problems, i.e., wastewater pollution and desertification. However, the potential of using wastewater instead of traditional artificial culture media to...

Author(s) : Zhu QiuHeng; Wu Li; Li GuoWen; Li XiaoGuang; Zhao Chen; Du CaiLi; Wang Fan; Li Wei; Zhang LieYu

Publisher : Springer Berlin, Heidelberg, Germany

Journal article : Environmental Science and Pollution Research 2021 Vol.28 No.11 pp.13861-13872 ref.many

24. Flocculation performance and mechanism of fungal pellets on harvesting of microalgal biomass.

In this study, a bioflocculation method assisted by fungal pellets was developed for highly efficient microalgae harvesting. Effects of critical parameters, including flocculation type, temperature, rotation speed and initial pH, on the bioflocculation of fungal Aspergillus niger for microalgae ...

Author(s) : Pei XuanYuan; Ren HongYu; Liu BingFeng

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.321

25. Scaling-up production of Spirulina sp. LEB18 grown in aquaculture wastewater.

This study evaluated the nutrient-removal efficiency, production, and biochemical composition of Spirulina sp. LEB18 biomass produced in aquaculture wastewater supplemented with 25% Zarrouk medium (T25) in triplicated outdoor 240 L raceway reactor systems. Nutrient removal efficiencies for nitrate...

Author(s) : Cardoso, L. G.; Lombardi, A. T.; Silva, J. S. de J.; Lemos, P. V. F.; Costa, J. A. V.; Souza, C. O. de; Druzian, J. I.; Chinalia, F. A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Aquaculture 2021 Vol.544