نتایج جستجو برای: rsa

تعداد نتایج: 5565  

Journal: :Cell 2007
Anne-Lore Schlaitz Martin Srayko Alexander Dammermann Sophie Quintin Natalie Wielsch Ian MacLeod Quentin de Robillard Andrea Zinke John R. Yates Thomas Müller-Reichert Andrei Shevchenko Karen Oegema Anthony A. Hyman

Microtubule behavior changes during the cell cycle and during spindle assembly. However, it remains unclear how these changes are regulated and coordinated. We describe a complex that targets the Protein Phosphatase 2A holoenzyme (PP2A) to centrosomes in C. elegans embryos. This complex includes Regulator of Spindle Assembly 1 (RSA-1), a targeting subunit for PP2A, and RSA-2, a protein that bin...

2005
Jakob Jonsson Matthew J. B. Robshaw

RSA-KEM is a popular key encapsulation mechanism that combines the RSA trapdoor permutation with a key derivation function (KDF). Often the details of the KDF are viewed as orthogonal to the RSA-KEM construction and the RSA-KEM proof of security models the KDF as a random oracle. In this paper we present an AES-based KDF that has been explicitly designed so that we can appeal to currently held ...

2016
Ingrid Tonhajzerova Michal Mestanik Andrea Mestanikova Alexander Jurko

Respiratory sinus arrhythmia (RSA) is accepted as a peripheral marker of cardiac-linked parasympathetic regulation. According to polyvagal theory, the RSA is also considered as the index of emotion regulation. The neurovisceral integration model posits that parasympathetic modulation of the heart marked by RSA is related to complex nervous regulation associated with emotional and cognitive proc...

2013
YING ZHANG QIAN ZHAO YA XIE KE SU JUN YANG LI YANG

The aim of this study was to investigate the correlation between the expression of pregnancy-associated plasma protein A (PAPP-A) in basal decidual cells and recurrent spontaneous abortion (RSA). A total of 39 patients with a history of RSA were enrolled into the RSA group. A further 30 females who had experienced normal pregnancy were enrolled into the control group. The mRNA expression of PAP...

2003
Anand Krishnamurthy Yiyan Tang Cathy Xu Yuke Wang

RSA is a popular cryptography algorithm widely used in signing and encrypting operations for security systems. Generally, the software implementations of RSA algorithm are based on 2-prime RSA. Recently multi-prime RSA has been proposed to speed up RSA implementations. Both 2-prime and multi-prime implementations require squaring reduction and multiplication reduction of multi-precision integer...

Journal: :Biological psychology 2014
Thérèse J M Overbeek Anton van Boxtel Joyce H D M Westerink

Many studies show that respiratory sinus arrhythmia (RSA) decreases while performing cognitive tasks. However, there is uncertainty about the role of contaminating factors such as physical activity and stress-inducing task variables. Different methods to quantify RSA may also contribute to variable results. In 83 healthy subjects, we studied RSA responses to a working memory task requiring vary...

Journal: :Developmental psychobiology 2015
Michael J Sulik Nancy Eisenberg Tracy L Spinrad Kassondra M Silva

We tested whether respiratory sinus arrhythmia (RSA) reactivity in response to each of three self-regulation tasks (bird and dragon; knock-tap; and gift wrap) would predict self-regulation performance in a sample of 101 preschool-age children (M age = 4.49, SD = .64). While controlling for baseline RSA, decreases in RSA from bird and dragon to knock-tap (but not from baseline to bird and dragon...

Journal: :iranian journal of neonatology 0
amin khaleghparast m.sc. of biology-genetics, tehran science and research branch of islamic azad university, tehran, iran sharif khaleghparast b.eng. of industrial engineering, iran university of science and technology (iust), tehran, iran hossein khaleghparast ph.d. of public law, tehran science and research branch of islamic azad university, tehran, iran

introduction: one factor known to cause thrombophilia in women with unexplained recurrent spontaneous abortion (rsa) is c677t polymorphism of methylenetetrahydrofolate reductase gene. this study aimed to determine the association between rsa and mthfr c677t polymorphism in iranian patients. methods: in this case-control study, 30 patients with previous history of two or more consecutive unexpla...

Journal: :Psychosomatic medicine 2014
Lauren M Bylsma Kristen Salomon April Taylor-Clift Bethany H Morris Jonathan Rottenberg

OBJECTIVE Low resting respiratory sinus arrhythmia (RSA) levels and blunted RSA reactivity are thought to index impaired emotion regulation capacity. Major depressive disorder (MDD) has been associated with aberrant RSA reactivity and recovery to a speech stressor task relative to healthy controls. Whether impaired RSA functioning reflects aspects of the depressed mood state or a stable vulnera...

Journal: :International journal of sports physiology and performance 2013
Tim J Gabbett Håvard Wiig Matt Spencer

BACKGROUND To the authors' knowledge, no study has investigated the concurrent repeated, high-intensity (RHIA) and repeated-sprint activity (RSA) of intermittent team-sport competition. PURPOSE In this study, they report on the RSA of elite women's football competition. In addition, they describe the nature of RHIA (eg, striding and sprinting activities) that involve a high energy cost and ar...

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