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Related Concept Videos

Green Algae01:21

Green Algae

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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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Red Algae01:23

Red Algae

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Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
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Other Algae01:19

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The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
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Bioremediation00:46

Bioremediation

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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Updated: Mar 8, 2026

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
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Microalgae biorefinery: High value products perspectives.

Kit Wayne Chew1, Jing Ying Yap2, Pau Loke Show3

  • 1Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih, Selangor Darul Ehsan, Malaysia; Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, 50603 Kuala Lumpur, Malaysia.

Bioresource Technology
|January 21, 2017
PubMed
Summary
This summary is machine-generated.

Microalgal biorefineries can be economically viable by producing high-value co-products alongside biofuels. This approach addresses challenges in extracting these products and integrating them into the biorefinery process for sustainable energy solutions.

Keywords:
BiorefineryExtractionHigh value productsMicroalgae

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Area of Science:

  • Biotechnology
  • Renewable Energy
  • Biorefining

Background:

  • Microalgae are a promising biofuel feedstock due to environmental concerns and resource depletion.
  • Current microalgal biofuel production faces economic challenges from high capital and operational costs.
  • Extracting high-value co-products is crucial for improving the economic feasibility of microalgal biorefineries.

Purpose of the Study:

  • To review challenges in extracting high-value products from microalgae.
  • To assess the integration of high-value product extraction within microalgal biorefineries.
  • To evaluate the economic potential and feasibility of microalgal biorefineries.

Main Methods:

  • Literature review of microalgal biorefinery strategies.
  • Analysis of extraction techniques for high-value compounds (pigments, proteins, lipids, etc.).
  • Economic assessment of integrated microalgal biorefinery models.

Main Results:

  • High-value co-products like pigments, proteins, lipids, and antioxidants have diverse applications.
  • Innovative biorefinery structures enable multi-product generation (biofuels and high-value compounds).
  • Economic potential assessments indicate feasibility for integrated microalgal biorefineries.

Conclusions:

  • Integrated microalgal biorefineries offer a sustainable pathway for biofuel production.
  • Overcoming extraction challenges is key to unlocking the economic potential of microalgae.
  • Multi-product strategies enhance the financial viability of microalgal-based industries.