Survival ofGiardia lambliatrophozoites after exposure to UV light

Genetic control of prophage induction in haemophilus influenzae after exposure to psoralen plus near-UV light.

Prophage S2 could be induced by psoralen plus near-UV light (PNUV) from a wild-type strain of Haemophilus influenzae, from UV light-sensitive strains uvr-1 and uvr-2 and PNUV-sensitive strains PSO1 amd PSO7, but not from a recombination-deficient strain, rec-1. The levels of prophage induction were comparable in the wild type and an ATP-dependent DNase-deficient strain, KW31, even though the PN...

Surface disinfection by exposure to germicidal UV light.

The present study was aimed to design a simple model to check efficacy of germicidal UV tube, to standardise the position, distance and time for UV light and also to find out its efficacy against medically important bacteria, the bacterial spores and fungi. The microbial cultures tested included gram positive and gram negative bacteria, bacterial spores and fungal spores. The microbes streaked ...

P-60: Survival Assessment of Mouse In Vitro Embryos after Exposure to Cell Phone Radiation

Background Using cellular phone among adults, teenagers and children has rapidly increased all over the world. Also, the concern on the possible health hazards of Electromagnetic Fields (EMF) induced from cell phones on reproduction has been growing in many countries. The aim was to assess the morphological parameters, survival rate and development of mouse in-vitro embryos obtained by natural ...

Colour Removal of Three Reactive Dyes by Uv Light Exposure 1 after Electrochemical Treatment

Temporal sequence of changes in rat retina after UV-A and blue light exposure

Two spectral types of retinal light damage were induced in pigmented rats by irradiating small retinal patches at either 380 or 470 nm. The temporal sequence of changes in the retina was followed for up to 2 months by funduscopy and histology. For both damage types, fundus changes were best visible after 3 days. Histology showed that 380 nm specifically damaged photoreceptor cells, particularly...