The Effect of Diode Laser on The Life and Appearance of White Ant (Psammotermes hypostoma)

Mahdi, Estabraq; Rashid, Sahar Naji; Lafta, Saeed Maher; Hamad, Arshad Mahdi

doi:10.33640/2405-609x.3164

Cited by 1 publication

(1 citation statement)

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“…Low-intensity diode lasers, which are less expensive commercially, have also been reportedly used for insect extermination. Mahdi et al (2021) evaluated the effects of diode lasers at 650 nm and 5 mW on white ants (Psammotermes hypostoma). Various exposure times (60, 70, 80, 90 and 100 s) were applied at 3 and 5 cm, and the effects were evaluated at 12, 24, 48 and 72 h. The authors concluded that the thermal effects of the laser resulted in an increase in the destruction of bodily structures causing the deformation of the insect as the exposure time increased, thus increasing the mortality rate, the most affected samples were those closest to the radiation source.…”

Section: Effect Of Laser Light On Organisms: Insectsmentioning

confidence: 99%

Sustainable laser technology for the control of organisms and microorganisms in agri-food systems: a review

HERNANDEZ-AGUILAR,

Dominguez-Pacheco,

Ivanov Tsonchev

et al. 2024

Int. Agrophys.

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We review the literature concerning the effects of laser light on organisms (insects) and microorganisms (bacteria, viruses, fungi) present in agri-food systems. The evidence obtained shows that 1) Laser light is a sustainable technology that can be applied as a pesticide with the ability to annihilate and control insects. Higher annihilation rates are observed for more pigmented products, as determined by their thermal and optical properties. 2) The most frequently used laser beams to eliminate bacteria harmful to human health operate with a steady intensity in the visible domain (blue, green, and red light). 3) Laser beams are applied to control fungi (the most studied microorganism), viruses, as well as to increase plant resistance to them. Lasers with red beams, such as those emitted by He-Ne lasers, followed by diode lasers are most frequently reported in fungal control. Furthermore, antibacterial, and germicidal effects are increased by using photosensitizers. Finally, 4) laser light potentiates the metabolites and antimicrobial activity of some plants thereby improving their activity. Agri-food systems treated with laser beams have the potential to improve the quality of life of society.K e y w o r d s: laser technology, sustainable technology, antibacterial, antifungal, pesticidal

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Section: Effect Of Laser Light On Organisms: Insectsmentioning

confidence: 99%