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Related Concept Videos

Green Algae01:21

Green Algae

967
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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Overview of Algae01:28

Overview of Algae

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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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Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

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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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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

Other Algae

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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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Related Experiment Video

Updated: Feb 25, 2026

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
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Microalgae: a robust "green bio-bridge" between energy and environment.

Yimin Chen1, Changan Xu1, Seetharaman Vaidyanathan2

  • 1a Third Institute of Oceanography, State Oceanic Administration , Xiamen , People's Republic of China.

Critical Reviews in Biotechnology
|August 3, 2017
PubMed
Summary
This summary is machine-generated.

Microalgae offer sustainable biofuel and environmental solutions. Integrating applications in biorefineries is key to overcoming economic and technical challenges for industrial progression.

Keywords:
Microalgaebiofuel productioneconomic feasibilityenvironmental treatmentintegrated application

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Construction and Setup of a Bench-scale Algal Photosynthetic Bioreactor with Temperature, Light, and pH Monitoring for Kinetic Growth Tests
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Area of Science:

  • Biotechnology
  • Bioenergy
  • Environmental Science

Background:

  • Microalgae possess characteristics suitable for biofuel production and environmental remediation.
  • Current microalgal technologies face bottlenecks like low efficiency, nutrient costs, and high energy input, hindering industrialization.

Purpose of the Study:

  • To review microalgal biotechnologies for bioenergy generation and environmental treatment.
  • To highlight intelligent technologies addressing industrialization bottlenecks.
  • To emphasize the economic feasibility of integrated microalgal applications.

Main Methods:

  • Review of mixotrophic/heterotrophic cultivation, immobilization, and co-cultivation strategies.
  • Analysis of integrated applications in biorefineries.
  • Examination of life-cycle analysis studies.

Main Results:

  • Intelligent cultivation methods and integrated applications are crucial for economic viability.
  • Combining biofuel production with environmental treatment (CO2 sequestration, wastewater reclamation) enhances feasibility.
  • Biorefinery approaches are essential for sustainable and cost-effective microalgal industrialization.

Conclusions:

  • Integrated microalgal applications in biorefineries are vital for economic feasibility and environmental sustainability.
  • Microalgae bridge energy and environmental sectors, offering a niche for industrial development.
  • Further research and development are needed for comprehensive industrialization with an economic perspective.