PubAg

Main content area

You searched for: Subject "microalgae" Remove constraint Subject: "microalgae"
Start Over

Search

10,616  Search Results

« Previous | 1 - 20 of 10,616 |
Number of results to display per page

Search Results

1. Correction to: High efficiency inactivation of microalgae in ballast water by a new proposed dual-wave UV-photocatalysis system (UVA/UVC-TiO2)

Author:
Lu, Zheng; Zhang, Kun; Liu, Xiaolei; Shi, Yue
Source:
Environmental science and pollution research international 2020 v.27 no.8 pp. 8822
ISSN:
0944-1344
Subject:
microalgae,   etc   ; ballast water; photocatalysis;     Show all 3 Subjects
Abstract:
... In the third paragraph of Introduction, the sentence “Few scholars have conducted static studies on dual-wavelength UV photocatalytic technologies (Ma 2018)”. ...
DOI:
10.1007/s11356-020-07964-5

2. Optimization of patterned polysulfone membranes for microalgae harvesting

Author:
Zhao, Zhenyu; Ilyas, Ayesha; Muylaert, Koenraad; Vankelecom, Ivo F.J.
Source:
Bioresource technology 2020 v.309 pp. 123367
ISSN:
0960-8524
Subject:
microalgae,   etc   ; fluid mechanics; fouling; harvesting; polyethylene glycol;     Show all 5 Subjects
Abstract:
... Membranes with a wave pattern on the membrane surface are now proposed for the first time to alleviate microalgal fouling and increase the membrane flux. The membrane morphology was observed via scanning electron microscope, and the clean water permeance, microalgae harvesting efficiency and membrane flux in a real broth were determined to investigate the effects of polysulfone (PSF) and polyethyl ...
DOI:
10.1016/j.biortech.2020.123367

3. Preferential production of microalgal hydrocarbon pentathiolates by the photoinitiated thiol-ene reaction of botryococcene

Author:
Kawashima, Hidehisa; Saito, Moe; Watanabe, Makoto M.; Kijima, Masashi
Source:
Algal research 2020 v.46 pp. 101724
ISSN:
2211-9264
Subject:
microalgae,   etc   ; biomass; moieties; oils; thiols; ultraviolet radiation;     Show all 6 Subjects
Abstract:
... To expand the applications of algal biomass materials, the reactivity of a microalgal hydrocarbon oil, botryococcene (E)-2,3,7,10,13,16,20,21-octamethyl-6,17-dimethylene-10-vinyldocosa-1,11,21-triene), was explored. Botryococcene was reacted with an excess of several alkylthiols in the presence of a photoradical initiator under UV irradiation (λ = 365 nm). In all cases, the thiol-ene reaction proc ...
DOI:
10.1016/j.algal.2019.101724

4. Dunaliella Microalgae for Nutritional Protein: An Undervalued Asset

Author:
Sui, Yixing; Vlaeminck, Siegfried E.
Source:
Trends in biotechnology 2020 v.38 no.1 pp. 10-12
ISSN:
0167-7799
Subject:
microalgae,   etc   ; Dunaliella; assets; beta-carotene; protein content;     Show all 5 Subjects
Abstract:
... β-carotene production using Dunaliella microalgae is established, yet their potential as a source of protein for food and feed applications appears to be overlooked. The rich protein content and nutritional tunability of Dunaliella make these algae intriguing sources of sustainable protein. Thus, it is of societal interest to exploit these promising proteinaceous Dunaliella traits. ...
DOI:
10.1016/j.tibtech.2019.07.011

5. Microalgal Torrefaction for Solid Biofuel Production

Author:
Ho, Shih-Hsin; Zhang, Congyu; Tao, Fei; Zhang, Chaofan; Chen, Wei-Hsin
Source:
Trends in biotechnology 2020
ISSN:
0167-7799
Subject:
microalgae,   etc   ; biofuels; biosynthesis; feedstocks; fuel production; torrefaction;     Show all 6 Subjects
Abstract:
... Microalgae are recognized as promising feedstocks for biofuel production and have been intensively studied. However, a systematic investigation of the relationship between cellular components and fuel properties in microalgae is currently absent. This review introduces recent advances in microalgal torrefaction and critically evaluates the properties of torrefied products from the viewpoint of mol ...
DOI:
10.1016/j.tibtech.2020.02.009

6. Finned spacer for enhancing the impact of air bubbles for membrane fouling control in Chlorella vulgaris filtration

Author:
Razak, Nik Nurul Ain Nabilah; Rahmawati, Ratri; Bilad, Muhammad Roil; Pratiwi, Amalia Enggar; Elma, Muthia; Nawi, Normi Izati Mat; Jaafar, Juhana; Lam, Man Kee
Source:
Bioresource technology reports 2020 v.11 pp. 100429
ISSN:
2589-014X
Subject:
microalgae,   etc   ; Chlorella vulgaris; aeration; air; biomass; bubbles; fouling; harvesting; microfiltration;     Show all 9 Subjects
Abstract:
... Membrane filtration offers appreciable promise as an effective process to harvest microalgae biomass but largely limited by membrane fouling. This study proposed a new spacer system for fouling control in Chlorella vulgaris filtration. Results demonstrate the effectiveness of finned spacer in directing the air bubbles toward the membrane surface thus improve their contacts and their foulant remova ...
DOI:
10.1016/j.biteb.2020.100429

7. Short tandem target mimics inhibit Chlamydomonas reinhardtii microRNAs

Author:
Sun, Ting; Wang, Yuting; Anwar, Muhammad; Lou, Sulin; Zeng, Yanfeng; Li, Hui; Hu, Zhangli
Source:
Algal research 2020 v.47 pp. 101824
ISSN:
2211-9264
Subject:
microalgae,   etc   ; Chlamydomonas reinhardtii; binding sites; genetically modified organisms; microRNA;     Show all 5 Subjects
Abstract:
... Short tandem target mimic (STTM) RNAs contain two non-cleavable microRNA (miRNA) binding sites linked by a spacer and can be used to effectively block the functions of specific miRNAs in animals and plants. However, the application of STTMs in unicellular organisms has not been reported. In this study, we tested different STTMs targeting miRNAs of the microalga Chlamydomonas reinhardtii to verify ...
DOI:
10.1016/j.algal.2020.101824

8. Effect of the induced dielectrophoretic force on harvesting of marine microalgae (Tetraselmis sp.) in electrocoagulation

Author:
Hawari, Alaa H.; Alkhatib, Afnan M.; Das, Probir; Thaher, Mahmoud; Benamor, Abdelbaki
Source:
Journal of environmental management 2020 v.260 pp. 110106
ISSN:
0301-4797
Subject:
microalgae,   etc   ; Tetraselmis; aluminum; biomass; dielectrophoresis; electrocoagulation; electrodes; electrolysis; energy; harvesting;     Show all 10 Subjects
Abstract:
... In this study, a new electrocoagulation electrode configuration has been investigated in order to induce dielectrophoretic (DEP) force for the enhanced harvesting of marine microalgae (Tetraselmis sp.). Asymmetrical aluminum electrodes with an alternative current power supply were used. The impact of electrode configuration, current density and electrolysis time were evaluated. A maximum algal har ...
DOI:
10.1016/j.jenvman.2020.110106

9. Evaluation of biomethanization during co-digestion of thermally pretreated microalgae and waste activated sludge, and estimation of its kinetic parameters

Author:
Scarcelli, Priscila Guenka; Serejo, Mayara Leite; Paulo, Paula Loureiro; Boncz, Marc Árpád
Source:
The Science of the total environment 2020 v.706 pp. 135745
ISSN:
0048-9697
Subject:
microalgae,   etc   ; activated sludge; anaerobic digestion; biodegradability; kinetics; methane production; models;     Show all 7 Subjects
Abstract:
... The maximum methane yield that can be obtained from anaerobic co-digestion of microalgae and waste activated sludge (WAS) mixtures, after thermal pretreatment at 65 °C during 4 h, was investigated. Furthermore, the fitting of the experimental data by five kinetic models (first-order, second-order, modified Gompertz, Logistic, and two-substrate) was evaluated. Thermal pretreatment increased the met ...
DOI:
10.1016/j.scitotenv.2019.135745

10. Microalgal biohydrogen photoproduction: scaling up challenges and the ways forward

Author:
Khosravitabar, Fatemeh
Source:
Journal of applied phycology 2020 v.32 no.1 pp. 277-289
ISSN:
0921-8971
Subject:
microalgae,   etc   ; biohydrogen; energy; hydrogen production; photosynthesis; solar radiation;     Show all 6 Subjects
Abstract:
... Hydrogen as the cleanest source of energy is a promising alternative to conventional fossil fuels. Among different technologies for hydrogen production, photosynthetic microorganism, such as microalgae, has a great potential to produce hydrogen, by using only water and sunlight, as both clean and cheap sources. This article reviews the advances and the shortcoming of microalgal biohydrogen photopr ...
DOI:
10.1007/s10811-019-01911-9

11. Development and performance of halophilic microalgae-colonized aerobic granular sludge for treating seawater-based wastewater

Author:
Rajitha, K.; Sarvajith, M.; Venugopalan, V.P.; Nancharaiah, Y.V.
Source:
Bioresource technology reports 2020 v.11 pp. 100432
ISSN:
2589-014X
Subject:
microalgae,   etc   ; bacteria; biofilm; biomass; color; culture flasks; harvesting; phosphates; seawater; sludge; total nitrogen; wastewater; wastewater treatment;     Show all 13 Subjects
Abstract:
... This study was aimed to evaluate granulation of autochthonous halophilic bacteria and biological nutrient removal under saline conditions. For this, shake-flasks were inoculated with phototrophic biofilm and operated in fill-draw mode under phototrophic and non-phototrophic conditions by feeding seawater-based wastewater. Rapid granulation of autochthonous biofilm microbes was achieved under seawa ...
DOI:
10.1016/j.biteb.2020.100432

12. Microalgae Nannochloropsis oceanica as a future new natural source of vitamin D3

Author:
Ljubic, Anita; Jacobsen, Charlotte; Holdt, Susan L.; Jakobsen, Jette
Source:
Food chemistry 2020 v.320 pp. 126627
ISSN:
0308-8146
Subject:
microalgae,   etc   ; Nannochloropsis; carotenoids; chemical composition; cholecalciferol; feeds; fish; food intake; polyunsaturated fatty acids; zooplankton;     Show all 10 Subjects
Abstract:
... For the last two decades there has been a rise in awareness about the general low dietary intake of vitamin D₃. Fish have the highest natural content of vitamin D₃, which is suggested to originate from zooplankton and microalgae. However there are no studies reporting which microalgal species may be the source of vitamin D₃. In this study, four selected microalgal species were cultivated during ex ...
DOI:
10.1016/j.foodchem.2020.126627

13. Sorption of ionized dyes on high-salinity microalgal residue derived biochar: Electron acceptor-donor and metal-organic bridging mechanisms

Author:
Tan, Xuefei; Zhu, Shishu; Show, Pau Loke; Qi, Haiqun; Ho, Shih-Hsin
Source:
Journal of hazardous materials 2020 v.393 pp. 122435
ISSN:
0304-3894
Subject:
microalgae,   etc   ; absorbents; biochar; calcium; carbon; dyes; minerals; moieties; pyrolysis; remediation; sodium; sorption; temperature;     Show all 13 Subjects
Abstract:
... Biochar (BC) has attracted much attention owing to its superior sorption capacity towards ionized organic contaminants. However, the mechanism of ionized organics sorption occurring within BC containing large amounts of minerals is still controversial. In this study, we demonstrate the physicochemical structure of high-salinity microalgal residue derived biochar (HSBC) and elucidate the correspond ...
DOI:
10.1016/j.jhazmat.2020.122435

14. Development of a single helical baffle to increase CO2 gas and microalgal solution mixing and Chlorella PY-ZU1 biomass yield

Author:
Ali Kubar, Ameer; Cheng, Jun; Guo, Wangbiao; Kumar, Santosh; Song, Yanmei
Source:
Bioresource technology 2020 v.307 pp. 123253
ISSN:
0960-8524
Subject:
microalgae,   etc   ; Chlorella; biomass production; carbon dioxide; chlorophyll; electron transfer; fluorescence; mass transfer; photochemistry; photosynthesis;     Show all 10 Subjects
Abstract:
... A single helical baffle (SHB), consisting of twisted turns, was developed to convert straight flow into spiral flow in a Chlorella PY-ZU1 open raceway pond (ORWP) bubbled with 15% CO₂. Microalgal solution flowing through the SHB alternative helical interspaces generated whirling flow both vertically and horizontally, which decreased mixing and increased mass transfer rates. The optimized SHB had a ...
DOI:
10.1016/j.biortech.2020.123253

15. Extraction of proteins from the microalga Scenedesmus obliquus BR003 followed by lipid extraction of the wet deproteinized biomass using hexane and ethyl acetate

Author:
Amorim, Matheus Lopes; Soares, Jimmy; Vieira, Bruno Bezerra; Batista-Silva, Willian; Martins, Marcio Arêdes
Source:
Bioresource technology 2020 v.307 pp. 123190
ISSN:
0960-8524
Subject:
microalgae,   etc   ; Scenedesmus obliquus; biomass; emulsions; ethyl acetate; hexane; lipids; pH; proteins; solvents;     Show all 10 Subjects
Abstract:
... A current problem of the lipid extraction from wet biomass is the formation of emulsions during the mixing of the microalgal biomass and organic solvents. It has been suggested that microalgal proteins play an important role in the formation and stability of such emulsions. Herein, the extraction of proteins of the freshwater microalga Scenedesmus obliquus BR003 was optimized for further extractio ...
DOI:
10.1016/j.biortech.2020.123190

16. Morpho-physiological responses by Isochrysis galbana Parke to different concentrations of oxytetracycline

Author:
Moro, Isabella; Trentin, Riccardo; Moschin, Emanuela; Dalla Vecchia, Francesca
Source:
Environmental pollution 2020 v.262 pp. 114273
ISSN:
0269-7491
Subject:
microalgae,   etc   ; Isochrysis galbana; aquaculture; lipids; livestock husbandry; medicine; microorganisms; oxytetracycline; photosynthesis; pigments; pollution; ultrastructure;     Show all 12 Subjects
Abstract:
... The pollution of aquatic bodies by pharmaceutical compounds is an emerging environmental problem, with little explored consequences. Oxytetracycline (OTC) is an antibiotic used for treatment of infections caused by a variety of microorganisms and it is widely employed in medicine, livestock husbandry and aquaculture. This pharmaceutical compound may cause deleterious effects on non-target aquatic ...
DOI:
10.1016/j.envpol.2020.114273

17. Nitrogen and phosphorus removals by the agar-immobilized Chlorella sacchrarophila with long-term preservation at room temperature

Author:
Hu, Jun; Liu, Hao; Shukla, Pratyoosh; Lin, Weitie; Luo, Jianfei
Source:
Chemosphere 2020 v.251 pp. 126406
ISSN:
0045-6535
Subject:
microalgae,   etc   ; Chlorella; agar; ambient temperature; ammonium nitrogen; cost effectiveness; encapsulation; nitrogen; phosphorus; viability; wastewater treatment;     Show all 11 Subjects
Abstract:
... Immobilized microalgae have great potential on the nutrient removal during wastewater treatment. However, their applications are challenged by how to cost-effectively maintain and preserve large number of viable and active microalgal cells. In this study, the cells of Chlorella sacchrarophila were immobilized in the agar containing with algal nutrient, encapsulated in a transparent package and pre ...
DOI:
10.1016/j.chemosphere.2020.126406

18. Performance evaluation of a control strategy for photosynthetic biogas upgrading in a semi-industrial scale photobioreactor

Author:
Rodero, María del Rosario; Carvajal, Andrea; Arbib, Zouhayr; Lara, Enrique; de Prada, César; Lebrero, Raquel; Muñoz, Raúl
Source:
Bioresource technology 2020 v.307 pp. 123207
ISSN:
0960-8524
Subject:
microalgae,   etc   ; bacteria; biogas; carbon dioxide; hydrogen sulfide; methane; oxidation; oxygen; pH; photobioreactors; photosynthesis;     Show all 11 Subjects
Abstract:
... The validation of a control strategy for biogas upgrading via light-driven CO₂ consumption by microalgae and H₂S oxidation by oxidizing bacteria using the oxygen photosynthetically generated was performed in a semi-industrial scale (9.6 m³) photobioreactor. The control system was able to support CO₂ concentrations lower than 2% with O₂ contents ≤ 1% regardless of the pH in the cultivation broth (r ...
DOI:
10.1016/j.biortech.2020.123207

19. Valorization of waste eggshell-derived bioflocculant for harvesting T. obliquus: Process optimization, kinetic studies and recyclability of the spent medium for circular bioeconomy

Author:
Roy, Madonna; Mohanty, Kaustubha
Source:
Bioresource technology 2020 v.307 pp. 123205
ISSN:
0960-8524
Subject:
microalgae,   etc   ; Tetradesmus; adsorption; bioeconomics; biomass; flocculation; harvesting; pH; temperature; wastes; zeta potential;     Show all 11 Subjects
Abstract:
... Waste eggshell-derived bioflocculant was used for harvesting T. obliquus in a circular bioeconomy approach. It was found that 120 mg L⁻¹ bioflocculant can flocculate 98.62 ± 0.43% of T. obliquus cells within 25 min at optimal pH 4.0 and temperature 35 °C. The influence of bioflocculant concentration, pH and temperature on zeta potential was evaluated to understand the flocculation mechanism. Micro ...
DOI:
10.1016/j.biortech.2020.123205

20. Microalgae for saline wastewater treatment: a critical review

Author:
Vo, Hoang Nhat Phong; Ngo, Huu Hao; Guo, Wenshan; Chang, Soon Woong; Nguyen, Dinh Duc; Chen, Zhuo; Wang, Xiaochang C.; Chen, Rong; Zhang, Xinbo
Source:
Critical reviews in environmental science and technology 2020 v.50 no.12 pp. 1224-1265
ISSN:
1547-6537
Subject:
microalgae,   etc   ; biofuels; heavy metals; income; nutrients; remediation; secondary pollutants; wastewater; wastewater treatment;     Show all 9 Subjects
Abstract:
... Saline wastewater contains numerous pollutants such as nutrients, heavy metals, micropollutants, and organic pollutants. This kind of wastewater needs to be treated prior to discharging. Compared to other technologies for saline wastewater treatment, the microalgae process is considered to be ‘green’ or environmentally friendly as it generates no secondary pollutants and creates profit. To elucida ...
DOI:
10.1080/10643389.2019.1656510