نتایج جستجو برای: biological cells

تعداد نتایج: 1765022  

Background and Aims: Oncolytic reoviruses can infect and kill malignant cells while sparing their normal counterparts. Reoviral infection can induce or activate autophagy, even though metformin can induce autophagy. Identifying and regulating the cellular pathways important for reovirus replication and oncolysis can improve targeted-biological therapies for cancer. Here, the autophagic process ...

Exosomes are secreted by different types of cells and known as biological packages. Exosomes have significant role in intercellular communications and involved in the development and progression of various diseases such as cancer. Inhibin B and anti-mullerian hormone (AMH) are markers of granulosa cell tumors (GCT) and due to the role of exosomes in the progression of cancer, in this experiment...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی و مهندسی 1390

sange siyah dam is located two kilometers down the kabod khani village. the environ of ghorrve city in kurdestan province. this is an clay core dam. in this dam instrumentation is performed in three section and consist of electrical piezometers, total pressure cells, settlement cells and so on. the main objective of instrumentation is to control the behavior of dam body and foundation, end else...

Fatemeh Afshari, Ghotbi Ladan, Hoda Seraj, Marziyeh Timajchi, Masoomeh Asadi, Meysam Ganjibakhsh, Olamafar Ensiyeh, Zahra Elyasi, Zahra Sadat Hashemi,

Background and objective: Gastric cancer is the fourth common and the second deadliest cancer worldwide, which the major causes of its prevalence are genetic factors and the lifestyle, such as eating fast foods, physical inactivity, environmental pollution, and other natural factors. Method: This research was performed in human and animal cell bank of Iranian Biological Resource Center, and ...

Elham Yektadoost Farnoosh Attar Mojtaba Falahati, Soyar Sari

Nowadays, growing interest in the application of nanotechnology in biomedical and biotechnological fields has opened a new avenue to explore the nanoparticles-biological system interaction. Indeed, a clear gap is still in the cytotoxic effect of NPs on the biological systems. For this purpose, the interaction of the silica oxide nanoparticles (SiO2-NP) with PC12 cell line, as a model of nervous...

Journal: :Science 1965
M J Fulwyler

A device capable of separating biological cells (suspended in a conducting medium) according to volume has been developed. Cell volume is measured in a Coulter aperture, and the cells are subsequently isolated in droplets of the medium which are charged according to the sensed volume. The charged droplets then enter an electrostatic field and are deflected into a collection vessel. Mixtures of ...

Journal: :international journal of reproductive biomedicine 0
karim nayernia jae ho lee wolfgang engel jessica nolte nadja drusenheimer kristina rathsack

germline and somatic stem cells are distinct types of stem cells that are dedicated to reproduction and somatic tissue regeneration, respectively. germline stem cells (gscs), which can self-renew and generate gametes, are unique stem cells in that they are solely dedicated to transmit genetic information from generation to generation. we developed a strategy for the establishment of germline st...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1390

abstract in this study, we synthesized a novel template polymer by using methacrylic acid (mma) as functional monomer, ethylene glycol dimethacrylate(egdma) as cross linker, 2,2-azobisisobutyronitrile (aibn) as initiator and olanzapine as targeted molecule in the presence of chloroform and acetonitrile as solvent. the products have been characterized and confirmed by (chn)elemental analysis,...

Journal: :journal of cell and molecular research 0
muhammad irfan-maqsood shabnam hemmati sadeghi

skin grafting always has been considered a challenging task for the researchers and tissue engineers from its first introduction in 1871 by reverdin. skin substitutes, composed of degradable synthetic or biological components, are being considered as emergency replacements/grafts to the damaged skin. a number of technical developments in this filed have led to development of several skin substi...

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