Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?

Hand hygiene is the key factor to control and prevent the spread of infections, for example, hospital-acquired infections (HAIs). People commonly use alcohol-based hand sanitizers to assure hand hygiene. However, frequent use of alcohol-based hand sanitizers in a pandemic situation (e.g., COVID-19)...

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Main Authors: Aliaa Ismail, Nermeen R. Raya, Ahmed Orabi, Alaa M. Ali, Yasmin Abo-zeid
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Antibiotics
Subjects:
Online Access:https://www.mdpi.com/2079-6382/11/11/1606
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author Aliaa Ismail
Nermeen R. Raya
Ahmed Orabi
Alaa M. Ali
Yasmin Abo-zeid
author_facet Aliaa Ismail
Nermeen R. Raya
Ahmed Orabi
Alaa M. Ali
Yasmin Abo-zeid
author_sort Aliaa Ismail
collection DOAJ
description Hand hygiene is the key factor to control and prevent the spread of infections, for example, hospital-acquired infections (HAIs). People commonly use alcohol-based hand sanitizers to assure hand hygiene. However, frequent use of alcohol-based hand sanitizers in a pandemic situation (e.g., COVID-19) was associated with serious drawbacks such as skin toxicity including irritation, skin dermatitis, and skin dryness or cracking, along with peeling, redness, or itching with higher possibility of infection. This demands the development of alternative novel products that are effective as alcohol-based hand sanitizers but have no hazardous effects. Zinc oxide nanoparticles (ZnO-NPs) are known to have broad-spectrum antimicrobial activity, be compatible with the biological system and the environment, and have applicable and economic industrial-scale production. Thus, ZnO-NPs might be a good candidate for hand sanitation. To the best of our knowledge, the antibacterial activity of ZnO-NPs in comparison to alcohol-based hand sanitizers has not yet been studied. In the present work, a comparative study of the antibacterial activity of ZnO-NPs vs. Sterillium, a commercial alcohol-based hand sanitizer that is commonly used in Egyptian hospitals, was performed against common microorganisms known to cause HAIs in Egypt, including <i>Acinetobacter baumannii, Klebsiella pneumoniae, Methicillin-resistant Staphylococcus aureus</i> (MRSA), and <i>Staphylococcus aureus</i>. The safety profiles of ZnO-NPs and Sterillium were also assessed. The obtained results demonstrated the superior antibacterial activity and safety of ZnO-NPs compared to Sterillium. Therefore, ZnO-NPs could be a promising candidate for hand sanitation in comparison to alcohol-based hand sanitizers; however, several studies related to long-term toxicity and stability of ZnO-NPs and investigations into their antimicrobial activity and safety in healthcare settings are still required in the future to ascertain their antimicrobial activity and safety.
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spelling doaj.art-7beb27135c774a2d926af5673b5e42b52023-11-24T07:30:31ZengMDPI AGAntibiotics2079-63822022-11-011111160610.3390/antibiotics11111606Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?Aliaa Ismail0Nermeen R. Raya1Ahmed Orabi2Alaa M. Ali3Yasmin Abo-zeid4Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, EgyptDepartment of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, EgyptMicrobiology Department, Faculty of Veterinary Medicine, Cairo University, Giza 11221, EgyptDepartment of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 11221, EgyptDepartment of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, EgyptHand hygiene is the key factor to control and prevent the spread of infections, for example, hospital-acquired infections (HAIs). People commonly use alcohol-based hand sanitizers to assure hand hygiene. However, frequent use of alcohol-based hand sanitizers in a pandemic situation (e.g., COVID-19) was associated with serious drawbacks such as skin toxicity including irritation, skin dermatitis, and skin dryness or cracking, along with peeling, redness, or itching with higher possibility of infection. This demands the development of alternative novel products that are effective as alcohol-based hand sanitizers but have no hazardous effects. Zinc oxide nanoparticles (ZnO-NPs) are known to have broad-spectrum antimicrobial activity, be compatible with the biological system and the environment, and have applicable and economic industrial-scale production. Thus, ZnO-NPs might be a good candidate for hand sanitation. To the best of our knowledge, the antibacterial activity of ZnO-NPs in comparison to alcohol-based hand sanitizers has not yet been studied. In the present work, a comparative study of the antibacterial activity of ZnO-NPs vs. Sterillium, a commercial alcohol-based hand sanitizer that is commonly used in Egyptian hospitals, was performed against common microorganisms known to cause HAIs in Egypt, including <i>Acinetobacter baumannii, Klebsiella pneumoniae, Methicillin-resistant Staphylococcus aureus</i> (MRSA), and <i>Staphylococcus aureus</i>. The safety profiles of ZnO-NPs and Sterillium were also assessed. The obtained results demonstrated the superior antibacterial activity and safety of ZnO-NPs compared to Sterillium. Therefore, ZnO-NPs could be a promising candidate for hand sanitation in comparison to alcohol-based hand sanitizers; however, several studies related to long-term toxicity and stability of ZnO-NPs and investigations into their antimicrobial activity and safety in healthcare settings are still required in the future to ascertain their antimicrobial activity and safety.https://www.mdpi.com/2079-6382/11/11/1606zinc oxide nanoparticleshospital-acquired infectionsSterilliumhand sanitation
spellingShingle Aliaa Ismail
Nermeen R. Raya
Ahmed Orabi
Alaa M. Ali
Yasmin Abo-zeid
Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?
Antibiotics
zinc oxide nanoparticles
hospital-acquired infections
Sterillium
hand sanitation
title Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?
title_full Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?
title_fullStr Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?
title_full_unstemmed Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?
title_short Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation?
title_sort investigating the antibacterial activity and safety of zinc oxide nanoparticles versus a commercial alcohol based hand sanitizer can zinc oxide nanoparticles be useful for hand sanitation
topic zinc oxide nanoparticles
hospital-acquired infections
Sterillium
hand sanitation
url https://www.mdpi.com/2079-6382/11/11/1606
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