نتایج جستجو برای: viruses

تعداد نتایج: 98830  

Journal: :Inference 2022

In A Tale of Two Viruses, Neeraja Sankaran traces the parallel histories two groups viruses: bacteriophages, which infect bacteria, and sarcoma agents, cause cancer. Research into these distinct proved to radically reshape what scientists thought they knew, lay foundations for our current understanding viruses.

Azardokht Tabatabaei Farideh Ebrahimi Taj Hamid Reza Monavari Masomeh Bakhshyeh Samileh Noorbakhsh,

Background and Objectives: Meningoencephalitis in Iranian children is frequent, but encephalitis is rare .The frequency of HHV-6 and HHV-7 in central nervous system diseases of our children is unclear. The aim of this study was searching the DNA-s of HHV-6 & HHV-7 in CSF samples of children with meningoencephalitis  Materials and Methods: A cross sectional study (2007-2009) was done in Pediatr...

تبریزی, احمد, حق شناس, محمد رضا, رضائی, محمدصادق, میرزایی, محسن, ناندوست کناری, شهربانو,

Background and purpose: Influenza A is an infectious disease caused by RNA viruses of the influenza viruses. Influenza viruses spread around the world in seasonal epidemics. It is estimated to affect %5-%15 of the global population and causing about 250000 to 500000 yearly deaths, rising to millions in some pandemic years. The aim of this study was an epidemiological survey of influenza A v...

H REZVAN, K MOUSAVI, M GOLABI, S NASIRI,

The risks of transmitting viral infection by blood and plasma-derived products have long been known and still remain an area of concern. In this study, in the process of purifying human factor VII from prothrombin complex, SID treatment using tri-n-butyl phosphate and Tween 80 was employed and its capability and efficacy was studied. The results indicated that the process did not affect th...

Journal: :The Yale Journal of Biology and Medicine 1962
Susan Goldhor

For centuries, only the first eight books and part of the ninth of Galen's De Anatomicis Administrationibus have been available, the most recent edition having been published by the Wellcome Historical Medical Museum in 1956 as translated by Charles Singer into English from Greek. No Greek manuscript of the last part of book nine and books ten through fifteen is known, but the Bodleian Library ...

Journal: :archives of razi institute 2016
s.a. pourbakhsh r. toroghi m. najafi s.z. gohar m. kianizadeh

influenza a viruses possesses two virion surface glycoproteins including haemagglutinin (ha) and neuraminidase (na). the na plays an important role in viral replication and promotes virus release from infected cells and facilitates virus spread throughout the body. to find out any genomic changes that might be occurred on na gene of avian influenza circulating viruses, we have genetically analy...

Gholamreza Ebrahimzadeh, Mahmood Alimohammadi, Maziar Naderi, Vida Past,

Background: Nowadays, the COVID-19 pandemic has become a global problem that new methods must be used to prevent it. The virus is highly contagious and is mainly transmitted through the air. Ozone is a powerful oxidant that can be used to inactivate a wide range of viruses that may be resistant to other disinfectants. The purpose of this study was to review the use and effect of ozone in inacti...

نیکپور, صغری,

Viral hepatitis is one of five infectional factors cause early death in all over the world. Every day at least one million people die because of viral hepatitis. Six hepatitis viruses have been known until now. They are A, B, C, D, E, G, and it is probable that at least two other kinds i.e. F, and H, will be known soon. Only hepatitis B is a DNA virus, and the others are RNA viruses. All viruse...

Abstract Background and Aims: To identify and isolation of viruses a susceptible cell is need which can be primary or line. The use of primary cells is laborious, time consuming and expensive, while the use of cell lines is much easier and faster. IRKHBK cell line was originated from primary cells of bovine kidney by continuous passage. The aim of this study was to introduce the IRKHBK cell ...

Ashrafi, Negar, Fakhraipur, Poya, Fakhri Mirzanag, Ehsan, Nobakht, Farzad,

Objective Attention Exercise is done for various purposes among athletes and the general public. One of the main problems in sports venues, especially with the spread of the corona virus, which has led to a threat to the health of the athlete community, is the presence of dangerous and pathogenic microorganisms such as germs, viruses, bacteria, etc. Therefore, the aim of the present study is to...

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