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Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.

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Three-Dimensionally Printed Microfluidic Cross-flow System for Ultrafiltration/Nanofiltration Membrane Performance Testing

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Published on: February 13, 2016

Emerging Developments Regarding Nanocellulose-Based Membrane Filtration Material against Microbes.

Mohd Nor Faiz Norrrahim¹, Noor Azilah Mohd Kasim^1,2, Victor Feizal Knight¹

¹Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia.

|October 13, 2021

Summary

Nanocellulose membranes offer a novel, eco-friendly solution for filtering microbes. Surface modifications enhance nanocellulose

Keywords:

membrane filter microbes nanocellulose surface functionalization

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Last Updated: Oct 17, 2025

Three-Dimensionally Printed Microfluidic Cross-flow System for Ultrafiltration/Nanofiltration Membrane Performance Testing

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Bacterial Cellulose Spheres that Encapsulate Solid Materials

Bacterial Cellulose Spheres that Encapsulate Solid Materials

Published on: February 26, 2021

Area of Science:

Materials Science
Nanotechnology
Environmental Science

Background:

Dangerous microbes pose significant risks to healthcare professionals and product development.
Infection risks are high for healthcare providers, essential workers, and the public without adequate protective filters.
Current membrane filters require improvement in antibacterial properties.

Purpose of the Study:

To review the use of nanocellulose as a membrane filter against microbes.
To discuss advancements in nanocellulose surface modifications for enhanced filtration.
To highlight nanocellulose as a novel material for advanced membrane filtration.

Main Methods:

Review of existing literature on nanocellulose applications in microbial filtration.
Analysis of nanocellulose properties relevant to filtration (high surface area, porosity, OH groups).
Critical discussion of surface modification techniques to improve microbial rejection.

Main Results:

Nanocellulose exhibits excellent microbial adsorption due to its high specific surface area.
Innate porosity allows for molecular separation and retention of microbial objects.
Surface modifications, particularly involving OH groups, enhance affinity interactions with microbes, improving filtration efficiency.

Conclusions:

Nanocellulose presents a promising, green approach for advanced membrane filtration against microbes.
Surface-engineered nanocellulose membranes show enhanced efficiency in rejecting microbial contaminants.
This review establishes nanocellulose as a key emerging material for antimicrobial membrane filters.