نتایج جستجو برای: uv c light

تعداد نتایج: 1465078  

Amehen Elikaei , Fatemeh Yari , Hamed Nikbakht , Hamid Latifi , Hamideh Mirshafiee , Seyed Masoud Hosseini , Zohreh Sharifi ,

Background and Aims: Despite the screening of blood donors, blood transfusion represents an ideal port of entry for blood-borne infection. Blood-borne pathogen transmission has been a concern since the earliest days of transfusion. The blood product of platelet (PLT) concentrates is still faced with the risk of bacterial and viral contaminations. Pathogen inactivation technologies offer a proac...

Journal: :CSVTU research journal 2021

Healthcare-associated infections (HAIs) can be caused by microorganisms present in common practice instruments generating major health problems the hospital environment. The aim of this work was to utilize disinfection capacity a portable ultraviolet C equipment (UV Sanitizer Box and UV-C Sterilization Torch) developed disinfect different objects. Pollution macro micro environment has concerns f...

Journal: :Photochemistry and Photobiology 1977

Background: Presently, the use of herbal medicines is expanding rapidly across the world. While considering source materials, authentication and standardization are prerequisites for herbal formulation in any system of medicine. The plant Clerodendrum wallichii Merr. (Family: Lamiaceae) has been used for various ailments in traditional systems of medicines, particularly in the treatment of diar...

2013
Ankita Khanna Vidya K. Shetty

Ag core–TiO2 shell (Ag@TiO2) structured nanoparticles with Ag to TiO2 molar ratio of 1:1.7 were synthesized using one pot synthesis method and post calcination was carried out at 450 C for 3 h to convert it from amorphous to crystalline form. The Ag core and TiO2 shell formation was confirmed by TEM and AFM. The particle size analysis revealed the average size of Ag@TiO2 as approximately around...

Journal: :Frontiers in Materials 2021

Solar light absorber surface is probably one of the most important components in solar still that dictates distillate yield. In this work, a systematic study conducted to investigate effect particle size and concentration titanium oxide (TiO 2 ) black paint increasing temperature. The various available sizes, i.e., 20, 150, 400 nm, are mixed with varying concentrations applied on plate. XRD use...

2017
Cecilia I Oviedo-Solís Cuauhtémoc Sandoval-Salazar Edmundo Lozoya-Gloria Genaro A Maldonado-Aguilera Herlinda Aguilar-Zavala Vicente Beltrán-Campos Victoriano Pérez-Vázquez Joel Ramírez-Emiliano

Flavonoids and polyphenols from the strawberry and other fruits have been proposed to reduce the oxidative stress produced by the obesity and her complications. Moreover, it has been proposed that irradiation with UV-C to strawberry may increase the antioxidant capacity of this fruit. The aim of the present study was to explore the effects of the UV-C on antioxidant capacity of strawberry in vi...

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In this project, mesoporous titanium oxide-silicon oxide doped by silver (TiO2-SiO2-Ag) was hydrothermally synthesized. Titanium isopropoxide, tetraethyl orthosilicate and silver nitrate were used as precursors for TiO2, SiO2 and Ag, respectively. Initially TiO2-SiO2 mesoporous nanocomposite was synthesized with weight ratios of silica to titania SiO2:TiO2:3:1 via hydrothermal method at 70˚C an...

2013
Nick Farahani Peter J. Kelly Vladimir Vishnyakov

The photocatalytic behavior of titania coatings is largely determined by their crystalline structure. Depending on deposition conditions, though, titania may form amorphous, brookite, anatase or rutile structures, with anatase or anatase/rutile mixed phase structures showing the highest levels of activity. Anatase is activated by UV light and, consequently, there is a great deal of interest in ...

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