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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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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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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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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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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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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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Microalgae: therapeutic potentials and applications.

Fatemeh Khavari1,2, Massoud Saidijam2, Mohammad Taheri3

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Marine microalgae yield compounds with anticancer and antioxidant properties. Diatom-derived silica nanoparticles offer a biodegradable and cost-effective alternative for targeted drug delivery, particularly for anti-cancer therapies.

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Area of Science:

  • Biotechnology
  • Marine Biology
  • Nanomedicine

Background:

  • Marine microalgae produce valuable compounds like carbohydrates, peptides, lipids, and carotenoids.
  • These compounds exhibit anticancer, anti-inflammatory, antimicrobial, and antioxidant properties.
  • Microalgae are also utilized for producing recombinant proteins, vaccines, and antibodies.

Purpose of the Study:

  • To highlight the potential of marine-derived compounds and microalgae in biomedicine and biotechnology.
  • To introduce silica-based nanoparticles derived from diatoms as drug delivery systems.
  • To emphasize the advantages of diatom-based nanoparticles over synthetic alternatives for cancer treatment.

Main Methods:

  • Extraction and characterization of compounds from marine microalgae.
  • Utilizing diatoms for silica nanoparticle synthesis.
  • Evaluating properties such as biodegradability, functionalization, and cost-effectiveness of diatom-based nanoparticles.

Main Results:

  • Marine microalgae compounds possess significant biomedical properties.
  • Diatom-derived silica nanoparticles demonstrate biodegradability, ease of functionalization, and low cost.
  • These nanoparticles are effective carriers for anti-cancer drugs.

Conclusions:

  • Marine microalgae are a rich source of bioactive compounds for pharmaceutical applications.
  • Diatom-based silica nanoparticles present a promising, eco-friendly alternative for drug delivery systems.
  • Diatom nanoparticles offer a viable strategy for targeted anti-cancer drug delivery, potentially reducing chemotherapy side effects.