نتایج جستجو برای: noise immunity

تعداد نتایج: 278367  

Journal: :iranian biomedical journal 0
miroslav pohanka oto pavlis jiri pikula

background: galantamine is a drug used for the treatment of alzheimer’s disease and some other cognitive disorders. it is an inhibitor of acetylcholinesterase however, interaction with nicotinic acetylcholine receptors has also been reported. owing to the significant role of cholinergic anti-inflammatory pathways in neuro-immunomodulation, we decided to examine the effect of galantamine on tula...

Journal: :acta medica iranica 0
maryam foroughi iranian research center for hiv/aids (ircha), tehran university of medical sciences, tehran, iran. saman mohaghegh montazeri iranian research center for hiv/aids (ircha), tehran university of medical sciences, tehran, iran. seyedahmad seyedalinaghi iranian research center for hiv/aids (ircha), tehran university of medical sciences, tehran, iran. banafshe moradmand badie iranian research center for hiv/aids (ircha), tehran university of medical sciences, tehran, iran. pourya heiydarpour iranian research center for hiv/aids (ircha), tehran university of medical sciences, tehran, iran. neda roosta keck school of medicine, university of southern california, los angeles, ca, usa.

it is estimated that one third of the world's population is latently infected with tuberculosis (tb). the hiv epidemic fuels the tb epidemic by increasing the risk of reactivation of latent tb infection and by facilitating a more rapid progression of tb disease. although the incidence of tb is constant or decreasing in many regions of the world, rates remain high in developing countries as a co...

Journal: : 2023

The synthesis method of the incoherent demodulation procedure two synchronous mutually non-orthogonal digital signals with frequency modulation is considered. In absence interference this degenerates into classical a signal modulation. When instantaneous power one significantly exceeds other, immunity latter approaches reception in channel additive white Gaussian noise without interference. Thi...

Journal: :acta medica iranica 0
reza razzaghi department of infectious disease, faculty of medicine, kashan university of medical sciences, kashan, iran. ahmad khalifesoltani department of infectious disease, faculty of medicine, kashan university of medical sciences, kashan, iran. mansooreh momen heravi department of infectious disease, faculty of medicine, kashan university of medical sciences, kashan, iran. hosein akbari department of biostatics, faculty of public health, kashan university of medical sciences, kashan, iran.

tetanus can be only prevented by vaccination because immunity against this disease is rarely acquired, even by natural infections. to maintain long-term protective immunity against tetanus, booster immunization is essential for adolescents and adults. most hospitalized cases and virtually all deaths occur in people over 60 years of age. the purpose of this study was to investigate the degree of...

Journal: :iranian journal of allergy, asthma and immunology 0
h. khorami tr. neyestani mehri. kadkhodaee j. lotfi

neopterin, apyrazinopyrimidine compound, is produced by macrophages after induction by interferon gamma (ifn-y) and serves as a marker of cellular immune system activation followed by oxidative stress. the aim of this study was to determine urinary neopterin to creatinine ratio (uncr) as a surrogate marker of cell-mediated immune activation in multiple sclerosis (ms). three weekly early morning...

Journal: :Physiological measurement 2003
Piotr Augustyniak

In widely spread home care applications of ECG recorders, the traditional approach to the problem of noise immunity is no longer sufficient. This paper presents a new ECG-dedicated noise removal technique based on a time-frequency noise model computed in a quasi-continuous way. Our algorithm makes use of the local bandwidth variability of cardiac electrical representation and splits the discret...

Journal: :jundishapur journal of health sciences 0
behzad fouladi dehaghi department of occupational health, school of public health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of occupational health, school of public health, ahvaz university of medical sciences, ahvaz, ir iran. tel: +98-6113738282, fax: +98-6113367543 parvin nassiri department of occupational health, school of public health, tehran university of medical sciences, tehran, ir iran mohammad reza monazam department of occupational health, school of public health, tehran university of medical sciences, tehran, ir iran leila ebrahimi ghavam abadi department of environmental management, islamic azad university, science and research branch, ahvaz, ir iran e saeed farahani department of audiology, school of rehabilitation, tehran university of medical sciences, tehran, ir iran gholamreza hassanzadeh department of anatomy, school of medicine, tehran university of medical sciences, tehran, ir iran

background noise exposure is known as a risk factor for hearing loss and one of its effects is noise-induced stress. cortisol as a stress hormone is used in noise-induced stress assessments. objectives the aim of this study was to measure and compare saliva cortisol concentrations in the morning and evening in normal work day and rest day in both case and control groups and to assess the associ...

Journal: :Journal of Low Frequency Noise Vibration and Active Control 2023

In this paper, we study a stochastic SIS epidemic model with distributed delays. The positiveness of the solutions is established. We obtain sufficient conditions for extinction disease through stability disease-free equilibrium and same in mean. Compared to many works on deterministic models their stability, delays involved offer new much more boundedness rate losing immunity. extinct small la...

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