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Related Concept Videos

Biofuels01:25

Biofuels

The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
Green Algae01:21

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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 an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...
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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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Related Experiment Video

Updated: May 20, 2026

Construction and Setup of a Bench-scale Algal Photosynthetic Bioreactor with Temperature, Light, and pH Monitoring for Kinetic Growth Tests
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Slab waveguide photobioreactors for microalgae based biofuel production.

Erica Eunjung Jung1, Michael Kalontarov, Devin F R Doud

  • 1Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA.

Lab on a Chip
|July 25, 2012
PubMed
Summary

This study introduces a novel optofluidic photobioreactor for sustainable biofuel production using microalgae. The new system improves light distribution and volumetric productivity, addressing key challenges in biofuel processing.

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Microalgae Cultivation and Biomass Quantification in a Bench-Scale Photobioreactor with Corrosive Flue Gases

Published on: December 19, 2019

Area of Science:

  • Biotechnology
  • Renewable Energy
  • Optofluidics

Background:

  • Microalgae are a sustainable feedstock for biofuel production.
  • Current photobioreactors face challenges with light distribution and biomass processing.
  • Organisms secreting fuels directly can bypass traditional harvesting inefficiencies.

Purpose of the Study:

  • To develop a novel optofluidic photobioreactor.
  • To address light distribution challenges in microalgal cultures.
  • To create a system compatible with fuel-secreting microalgae.

Main Methods:

  • Utilized an optofluidic photobioreactor design.
  • Employed evanescent field illumination for light delivery to surface-bound organisms.
  • Characterized microalgal growth rates within the system.

Main Results:

  • Demonstrated comparable photon usage efficiency to traditional direct illumination.
  • Showcased the compatibility of the system with fuel-secreting organisms.
  • Indicated a potential 12-fold increase in volumetric productivity due to stackable design.

Conclusions:

  • The novel optofluidic photobioreactor effectively addresses light distribution issues.
  • Evanescent field illumination is a viable method for microalgal photobioreactors.
  • The system shows significant potential for enhancing sustainable biofuel production.