Sterilization by Gamma Irradiation
نویسنده
چکیده
Sterilization is defined as any process that effectively kills or eliminates almost all microorganisms like fungi, bacteria, viruses, spore forms. There are many different sterilization methods depending on the purpose of the sterilization and the material that will be sterilized. The choice of the sterilization method alters depending on materials and devices for giving no harm. These sterilization methods are mainly: dry heat sterilization, pressured vapor sterilization, ethylene oxide (EtO) sterilization, formaldehyde sterilization, gas plasma (H2O2 ) sterilization, peracetic acid sterilization, e-beam sterilization and gamma sterilization.
منابع مشابه
The effect of 60Co-gamma radio-sterilization on Boswellia carterii essential oil composition
Background and objectives:Gamma-irradiation is used vastly for both decontamination and sterilization of natural products; but these high-energy rays can affect heat-sensitive essential oils. Methods: The oleo-gum-resin of Boswellia carterii (Burseraceae) was sterilized by γ-irradiation at dose 30 KGy. The essential oils obtained...
متن کاملEfficacy of the inactivation of bacterial spores in white petrolatum and a hydrophilic ointment by gamma irradiation.
To evaluate the possibilities of using gamma irradiation for the sterilization of ointments, the effect of irradiation on spores of Bacillus pumilus and Bacillus sphaericus in dry material and in two different kinds of ointments was studied. The results indicate that for sterilization purposes irradiation was less effective in white petrolatum as compared to irradiation in the dry state. No suc...
متن کاملSterilization of Silver Nanoparticles Using Standard Gamma Irradiation Procedure Affects Particle Integrity and Biocompatibility
Silver nanoparticles are commonly used in a variety of commercial and medical products. Here we investigate the effects of standard sterilization methods, including heat/steam (autoclave) and gamma-irradiation on the structural integrity and biocompatibility of citrate-stabilized silver nanoparticles with nominal sizes of 20, 40, 60 and 80 nm. Particle size, shape and in vitro biocompatibility ...
متن کاملSterilization Methods and the Comparison of E-Beam Sterilization with Gamma Radiation Sterilization
Sterilization is used in a varity of industry field and a strictly required process for some products used in sterile regions of the body like some medical devices and parenteral drugs. Although there are many kinds of sterilization methods according to physicochemical properties of the substances, the use of radiation in sterilization has many advantages depending on its substantially less tox...
متن کاملEffect of gamma-irradiation sterilization on the physical and mechanical properties of a hybrid wound dressing
A wound dressing should ideally provide an optimal healing environment which enables rapid healing. It should maintain a moist environment at the wound surface, allow gas exchange, act as a barrier to microorganisms, remove excess exudates and afford mechanical protection to the wound. A new bioresorbable hybrid wound dressing which combines a poly(DL-lactic-co-glycolic acid) porous top layer w...
متن کاملThe effects of different sterilization methods on silk fibroin
The aim of this study was to investigate the changes in the molecular structure and physiological activities of silk fibroin induced by three different sterilization methods (steam, gamma radiation and ethylene oxide) with different dose or time period of sterilization by means of Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction, mechanical properties and assessment of molecul...
متن کامل