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Related Concept Videos

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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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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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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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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Updated: Nov 15, 2025

High-Throughput Metabolic Profiling for Model Refinements of Microalgae
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Insights into upstream processing of microalgae: A review.

Ehsan Daneshvar1, Yong Sik Ok2, Samad Tavakoli3

  • 1Department of Separation Science, LUT School of Engineering Science, LUT University, Sammonkatu 12, FI-50130 Mikkeli, Finland.

Bioresource Technology
|March 2, 2021
PubMed
Summary

This review details microalgae upstream processing, covering cultivation, bioreactor design, and environmental controls. It identifies challenges and future research needs for optimizing microalgal biomass production.

Keywords:
BioreactorsCulture mediaEnvironmental factorsMicroalgal cultivationUpstream processingWastewater treatment

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Area of Science:

  • Biotechnology
  • Environmental Science
  • Algal Research

Background:

  • Microalgae are crucial for biofuels, food, and pharmaceuticals.
  • Efficient upstream processing is vital for cost-effective microalgal production.
  • Current research faces challenges in scaling and optimizing cultivation.

Purpose of the Study:

  • To review and analyze key steps in microalgae upstream processing.
  • To highlight the advantages and challenges associated with each processing stage.
  • To identify knowledge gaps and suggest future research directions.

Main Methods:

  • Comprehensive literature review of microalgae cultivation techniques.
  • Analysis of various photobioreactor designs and their operational parameters.
  • Compilation of data on culture media, wastewater utilization, and environmental control strategies.

Main Results:

  • Detailed overview of cultivation modes, bioreactor types, and media compositions.
  • Compilation of wastewater sources and environmental variables employed in microalgae research.
  • Identification of critical factors influencing microalgal growth and productivity.

Conclusions:

  • Optimizing upstream processing is essential for sustainable microalgae biotechnology.
  • Addressing current challenges requires further research into novel cultivation and monitoring techniques.
  • Standardization of methods and development of cost-effective technologies are recommended.