نتایج جستجو برای: where fragile materials

تعداد نتایج: 1214487  

2008

Fragile States Fragile States T UNU-WIDER PROJECT ON “FRAGILITY AND development’’ began with the premise that dealing simultaneously with household vulnerability and state fragility is probably one of the most urgent development challenges of our time. Consequently, the project explored the dimensions of household vulnerability and state fragility in development. This research brief is about th...

Journal: :iranian journal of nursing and midwifery research 0
hamideh mohaddesi hamid reza khalkhali zahra fakour zhila azadi

abstract background: a newborn is highly fragile whose death can be caused by embryonic, intra partum, and postpartum factors. identifying the causes of death is the first step to be taken in order to decrease the death rate. the present study was aimed at finding out how neonatal factors and therapeutic actions affect death of newborn babies. materials and methods: this is a case-control study...

Journal: :journal of basic research in medical sciences 0
afshin yarmohammadi department of biology, sanandaj branch, islamic azad university, kurdistan, iran fatemeh keshavarzi department of biology, sanandaj branch, islamic azad university, kurdistan, iran mokhtar farhadian department of psychology, sanandaj branch, islamic azad university, sanandaj, iran

introduction: fragile x syndrome (fxs) is one of the most prevalent genetic causes of developmental disability, representing the most frequent form of inherited severe cognitive deficit. the present study was undertaken to investigate fxs and its prevalence in moderate mentally retarded people in patients. materials and methods: nineteen people with moderate mental retardation (mr) who were cli...

Journal: :Cell 1991
M Pieretti F P Zhang Y H Fu S T Warren B A Oostra C T Caskey D L Nelson

We previously reported the isolation of a gene (FMR-1) expressed in brain at the fragile X locus. One exon of this gene lies within an EcoRI fragment that exhibits length variation in fragile X patients. This exon also contains the CGG repeat within the CpG island hypermethylated in fragile X patients. To study the involvement of the FMR-1 gene in the fragile X syndrome, its expression was stud...

Journal: :Current Directions in Biomedical Engineering 2023

Abstract Uniaxial tensile tests are the most common method for investigating mechanical properties of materials. However, due to small strength and size certain materials, larger conventional universal testing machines sometimes not suitable performing elongation testing, so dedicated test setups required. Therefore, authors developed a device measure small, flexible e.g. fragile specimens caps...

2015
Casey M Graves Annie Haakenstad Joseph L Dieleman

BACKGROUND Development assistance for health (DAH) has grown substantially, totaling more than $31.3 billion in 2013. However, the degree that countries with high concentrations of armed conflict, ethnic violence, inequality, debt, and corruption have received this health aid and how that assistance might be different from the funding provided to other countries has not been assessed. METHODS...

Journal: :Journal of neurophysiology 2013
Virginia Conde Francisco J Palomar María José Lama Raquel Martínez Fátima Carrillo Elizabeth Pintado Pablo Mir

The fragile X syndrome is a mutation-driven developmental disorder caused by a repetition over 200 times of the CGG trinucleotide situated in the 5'-untranslated region of the fragile X mental retardation 1 gene (FMR1). The interval between 55 and 199 CGG repeats, which is over the normal range but below full mutation, is named fragile X premutation. Recent studies have focused on the asymptoma...

Journal: :Journal of cell science 2011
Nadia Hashash Anthony L Johnson Rita S Cha

Fragile sites are specific loci within the genome that exhibit increased tendencies for chromosome breakage. They are conserved among mammals and are also found in lower eukaryotes including yeast and fly. Many conditions, including mutations and exogenous factors, contribute to fragile site expression, but the nature of interaction among them remains elusive. Here, we investigated this by exam...

2005
Xiaoyun Wu Xiaoping Liang Hongmei Liu Jiwu Huang Guoping Qiu

Semi-fragile image authentication based on watermarking has drawn extensive attention. However, conventional watermarking techniques introduce irreversible distortions to the host signals and thus may not be allowable in some applications such as medical and military imaging. Though some reversible fragile authentication algorithms had been developed, reversible semi-fragile authentication pres...

2015
Charlotte D’Hulst Inge Heulens Nathalie Van der Aa Karolien Goffin Michel Koole Kathleen Porke Marc Van De Velde Liesbeth Rooms Wim Van Paesschen Hilde Van Esch Koen Van Laere R. Frank Kooy Barbara Bardoni

Over the last several years, evidence has accumulated that the GABAA receptor is compromised in animal models for fragile X syndrome (FXS), a common hereditary form of intellectual disability. In mouse and fly models, agonists of the GABAA receptor were able to rescue specific consequences of the fragile X mutation. Here, we imaged and quantified GABAA receptors in vivo in brain of fragile X pa...

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