نتایج جستجو برای: neuron

تعداد نتایج: 64761  

Journal: :desert 2010
h. memarian khalilabad s. feiznia k. zakikhani

abstract erosion and sedimentation are the most complicated problems in hydrodynamic which are very important in water-related projects of arid and semi-arid basins. for this reason, the presence of suitable methods for good estimation of suspended sediment load of rivers is very valuable. solving hydrodynamic equations related to these phenomenons and access to a mathematical-conceptual model ...

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease characterized by death of motor neurons leading to devastating muscle weakness and wasting and weight loss. It causes mixed picture of lower motor neuron (LMN) and upper motor neuron (UMN) dysfunction. The wide spectrums of atypical presentations can frequently lead to expensive work-up and undue delay in diagnosis o...

Hossein Mohebbi, Malihe Hassan Nia, Nafise Bahrami, Zahra Ghane,

Zinc is a substance that regulates neural excitability by binding whit sodium channel and potassium channel. The efficiency of free zinc ion, make down the neural survival rate, reduced the peak amplitude of Na+ and make depolarization Na channel, increased the peak amplitude of transition outward k+ currents and delayed rectifier. Also it is an effective blocker of one subtype of tetrodoxine (...

2007
Yoonsuck Choe Risto Miikkulainen Lawrence K. Cormack

The Hebbian hypothesis of activity-dependent synaptic plasticity has gained much support from experimental studies of long-term potentiation and depression. Such studies have also uncovered complex patterns of competition among the synapses. Such eeects may be due to the neuron redistributing its limited synaptic resources as synaptic strengths change. In computational models this strategy is c...

A Taei H Baharvand M Hatami M Soleimani

Human embryonic stem (ES) cells are undifferentiated pluripotent cells derived from the inner cell mass of blastocyst stage embryos. These unique cell lines have the potential to form virtually any cell type in the body and can be propagated in vitro indefinitely in an undifferentiated state. These cells are capable of forming embryoid bodies (EB) that contain cells from all three embryonic lin...

Farhad Abedini, Mohammad Bagher Menhaj Mohammad Reza Keyvanpour,

In this paper, a state-of-the-art neuron mathematical model of neural tensor network (NTN) is proposed to RDF knowledge base completion problem. One of the difficulties with the parameter of the network is that representation of its neuron mathematical model is not possible. For this reason, a new representation of this network is suggested that solves this difficulty. In the representation, th...

اسفندیاری, بهناز, سلیمانی, مسعود, پریور, کاظم, کاویانی, سعید,

Background and Objective: Differentiation of mesenchymal stem cells into neurons has great potential in the therapy of damaged nerve tissue. Neural tissue engineering offers tremendous promise to combat the effects of disease, aging and injury in the nervous system. The aim of this study was to investigate the differentiation of adipose derived stem cells to neuron like cells on aligned nanofib...

Journal: Nanomedicine Journal 2019

Objective(s): The present study was designed to evaluate of Metformin/Irinotecan-loaded poly-lactic-co-glycolic acid (PLGA) nanoparticles (NPs) effects on glutamate re-uptake time and receptor expression status in both glioblastoma multiforme (GBM) and cortex neuron cultures. The study was performed on glioblastoma cell line and primer cortex neuron.Materials and Methods: The re-uptake time and...

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