Effect of Sublethal Blue Light on Herbal Extract Activity Against Volatile Sulfide Compound Production by Fusobacterium nucleatum

Author(s):  
Uziel Jeffet ◽  
Neta Dagan ◽  
Nir Sterer
2019 ◽  
Vol 96 (1) ◽  
pp. 178-181 ◽  
Author(s):  
Uziel Jeffet ◽  
Rachel Shimon ◽  
Nir Sterer

Biophysica ◽  
2021 ◽  
Vol 1 (4) ◽  
pp. 405-412
Author(s):  
Uziel Jeffet ◽  
Shiri Livne ◽  
Arkadi Rahmanov ◽  
Nir Sterer

A previous study showed that sub-lethal exposure of blue light caused cell membrane damage in Fusobacterium nucleatum (Fn). The aim of the present study was to test the combined effect of blue light and silver nanoparticles against Fn. Bacterial suspensions were exposed to blue light (400–500 nm) with or without silver nanoparticles (10 nm). Exposed and non-exposed samples were studied for malodor production (Odor judge scores), VSC levels (Halimeter), reactive oxygen species (ROS) production (fluorimeter), and bacterial cell membrane damage (fluorescence microscopy). The results showed that combining blue light exposure and silver nanoparticles significantly reduced malodor and VSC production by Fn concomitant with increased ROS levels and bacterial cell membrane damage. These results suggest that silver nanoparticles may increase blue light phototoxicity against Fn.


LASER THERAPY ◽  
2015 ◽  
Vol 24 (2) ◽  
pp. 103-111 ◽  
Author(s):  
Zakeri Mahdi ◽  
Ghanbari Habiboallh ◽  
Naderi Nasab Mahbobeh ◽  
Zareian Jahromi Mina ◽  
Zakeri Majid ◽  
...  

Praxis ◽  
2018 ◽  
Vol 107 (20) ◽  
pp. 1109-1109
Author(s):  
Mario Rifaat ◽  
Carsten Depmeier ◽  
Victor Jeger ◽  
Markus Schneemann ◽  
Alexia Anagnostopoulos

Author(s):  
Cristiano L. Guarana ◽  
Christopher M. Barnes ◽  
Wei Jee Ong
Keyword(s):  

2021 ◽  
pp. 30-33
Author(s):  
David Jaynes ◽  
Paul Switzer

The purpose of this article is to provide background information and the current understanding of a less familiar cause of female breast cancer; exposure to ultraviolet light at night. Breast cancer is a common disease that causes significant morbidity and mortality in women. There are several risk factors for breast cancer, most of which are genetic and environmental in nature. An often-overlooked risk factor is exposure to blue light during night shift work, which decreases melatonin production. One of the many cancer-preventing properties of melatonin is to limit estrogen production. Increased lifetime exposure to estrogen is a well-known cause of breast cancer. Awareness of nighttime blue light exposure as a breast cancer risk factor by women doing night shift work and those exposed to nighttime light via smartphones and laptops, is essential information to know so that protective measures can be taken.


2012 ◽  
Vol 2 (4) ◽  
pp. 34-36
Author(s):  
Rajeeta Joseph ◽  
◽  
Shah. K. U Shah. K. U ◽  
Patki. P Patki. P ◽  
Ghongane B. B Ghongane B. B
Keyword(s):  

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