نتایج جستجو برای: cancer detection
تعداد نتایج: 1435307 فیلتر نتایج به سال:
Background and Objective: Bladder cancer is one of the most common malignancies of the urinary system. An important source of health disparities is related to early cancer detection strategies. The aim of the present study was to determine the inequality in bladder cancer screening uptake. Materials and Methods: The current research was a cross-sectional study that was conducted among 1760 peo...
In this paper, the numerical design and simulate a biosensor to detect tumors and cancerous tissues by using metamaterial structures in the microwave regime are presented. The presented structure consists of a microstrip transmission line and a split ring resonator (SRR) that form a bandpass filter and has a unique resonance frequency. Given that cancerous tissues have larger volumes of water t...
Background and purpose: Cancer is a major cause of death worldwide and gastric cancer with high mortality rate is one of the leading causes of cancer-related death. Understanding the epidemiology of gastric cancer could be of great benefit. However, no clear trend is available on incidence of this cancer in Iran, therefore, this study aimed at investigating the incidence of gastric cancer. Mat...
mammography remians the procedure of choice in screening asymptomatic women for breast cancer. however, in patients with symptoms, other types of imaging play an important role in the detection of malignancies. the high cost and lack of availability of pet and mri largely precludes the use in this patient population. ti-201 is nbt the imaging agent of choice because of its wash-out and redistri...
background: today, despite the many advances in early detection of diseases, cancer patients have a poor prognosis and the survival rates in them are low. recently, microarray technologies have been used for gathering thousands data about the gene expression level of cancer cells. these types of data are the main indicators in survival prediction of cancer. this study highlights the improvement...
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
Background: Baculoviral inhibitor of apoptosis repeat-containing 5 (BIRC5) gene is an inhibitor of apoptosis that expresses in human embryonic tissues but it is absent in most healthy adult tissues. The copy number of BIRC5 has been indicated to be highly increased in tumor tissues; however, its association with the age of onset in breast cancer is not well understood. Methods: Forty tumor tiss...
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