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Related Concept Videos

Bioplastics01:27

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
Microbial Bioremediation of Plastics01:28

Microbial Bioremediation of Plastics

Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...

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Towards Sustainable Protein Recovery from Biological Waste: Assessing Polyethersulfone-based Microfiltration.

Alia M Alnuaimi, Mouza T Al Sheryani, Shahd M El Hallak

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    Summary
    This summary is machine-generated.

    This study shows microfiltration can recover valuable proteins like albumin from biological waste fluids. This sustainable method uses polyethersulfone membranes to reclaim biomolecules from discarded cell culture media.

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    Area of Science:

    • Biotechnology
    • Biomolecular Engineering
    • Environmental Science

    Background:

    • Billions of tons of biological waste are generated annually, containing valuable biomolecules.
    • Current methods for recycling these biomolecules are costly.
    • Sustainable solutions are needed for biological waste management and resource recovery.

    Purpose of the Study:

    • To explore the reclamation of albumin from biological waste fluids using microfiltration.
    • To assess the efficiency of polyethersulfone (PES) membranes for protein recovery.
    • To investigate the impact of different biological fluid compositions on filtration performance.

    Main Methods:

    • Utilized 0.440 μm polyethersulfone (PES) membranes for filtration.
    • Tested filtration efficiency using discarded cell culture media: Dulbecco's Modified Eagle Medium (DMEM) and DMEM with Fetal Bovine Serum (DMEM + FBS).
    • Performed membrane compaction and analyzed retained particles using Fourier Transform Infrared Spectroscopy (FTIR).

    Main Results:

    • Microfiltration demonstrated protein retention, evidenced by FTIR identification of protein functional groups in retained particles.
    • Higher protein recovery was observed from DMEM samples compared to DMEM + FBS samples.
    • Membrane fouling and absorption contributed to protein retention, overcoming the nominal pore size limitations.

    Conclusions:

    • Microfiltration shows potential as a preliminary step for sustainable protein recovery from biological waste.
    • PES membranes can be employed for reclaiming valuable biomolecules from discarded biological fluids.
    • Further research can optimize microfiltration processes for enhanced biomolecule reclamation and waste valorization.