نتایج جستجو برای: stm

تعداد نتایج: 4539  

2009
K Zycinska KA Wardyn TM Zielonka R Krupa W Lukas

BACKGROUND Vascular injury is the main mechanism in pathophysiology of PR3-ANCA-associated vasculitis. Soluble serum thrombomodulin (sTM) is a membrane-bound receptor for thrombin expressed by vascular endothelial cells. - OBJECTIVE The aim of study was to determine the blood levels of sTM in patients with PR3-ANCA-associated vasculitis. MATERIAL AND METHODS Twenty five patients with Wegene...

2014
Daniela Liebsch Widi Sunaryo Mattias Holmlund Mikael Norberg Jing Zhang Hardy C. Hall Hanna Helizon Xu Jin Ykä Helariutta Ove Nilsson Andrea Polle Urs Fischer

The class I KNOX transcription factors SHOOT MERISTEMLESS (STM) and KNAT1 are important regulators of meristemmaintenance in shoot apices, with a dual role of promoting cell proliferation and inhibiting differentiation. We examined whether they control stem cell maintenance in the cambium of Arabidopsis hypocotyls, a woodforming lateral meristem, in a similar fashion as in the shoot apical meri...

1997
A. Wiessner

We designed and built a combination of a scanning tunneling microscope ~STM! and a scanning electron microscope ~SEM! which is working under ultrahigh vacuum conditions ~base pressure typically 7 • 10 mbar!. The SEM is ideally used for surveying the sample and to control the STM tip positioning, while the STM extends the resolution range into the atomic scale. The design concept allows moving t...

Journal: :Journal of abnormal child psychology 2017
Lauren M Friedman Mark D Rapport Joseph S Raiker Sarah A Orban Samuel J Eckrich

Reading comprehension difficulties in children with ADHD are well established; however, limited information exists concerning the cognitive mechanisms that contribute to these difficulties and the extent to which they interact with one another. The current study examines two broad cognitive processes known to be involved in children's reading comprehension abilities-(a) working memory (i.e., ce...

Journal: :Data intelligence 2023

ABSTRACT In this paper, we describe the data management practices and services developed for making FAIR compliant a scientific archive of Scanning Tunneling Microscopy (STM) images. As first step, extracted instrument metadata each image dataset to create structured database. We then enriched these with information on structure composition surface by means pipeline that leverages human annotat...

2015
Natalie L. Voets Ricarda A. L. Menke Saad Jbabdi Masud Husain Richard Stacey Katherine Carpenter Jane E. Adcock

Short-term (STM) and long-term memory (LTM) have largely been considered as separate brain systems reflecting fronto-parietal and medial temporal lobe (MTL) functions, respectively. This functional dichotomy has been called into question by evidence of deficits on aspects of working memory in patients with MTL damage, suggesting a potentially direct hippocampal contribution to STM. As the hippo...

2013
Stefan Kempf Ronald Veldema Michael Philippsen

An atomic block is a language construct that simplifies the programming of critical sections. In the past, software transactional memory (STM) and lock inference have been used to implement atomic blocks. Both approaches have strengths and weaknesses. STM provides fine-grained locking but has high overheads due to logging and potential rollbacks. Lock inference is a static analysis that compute...

Journal: :Research in developmental disabilities 2016
Gayle G Faught Frances A Conners Zachary M Himmelberger

BACKGROUND Sustained attention (SA) is important to task performance and development of higher functions. It emerges as a separable component of attention during preschool and shows incremental improvements during this stage of development. AIMS The current study investigated if auditory and visual SA match developmental level or are particular challenges for youth with DS. Further, we sought...

Journal: :Cognitive neuropsychology 2009
A Cris Hamilton Randi C Martin Philip C Burton

Increasing evidence supports dissociable short-term memory (STM) capacities for semantic and phonological representations. Cognitive neuropsychological data suggest that damage to the left inferior and middle frontal gyri are associated with deficits of semantic STM, while damage to inferior parietal areas is associated with deficits of phonological STM. Patients identified as having semantic S...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Cristina Gil-Cruz Saeeda Bobat Jennifer L Marshall Robert A Kingsley Ewan A Ross Ian R Henderson Denisse L Leyton Ruth E Coughlan Mahmood Khan Karina T Jensen Christopher D Buckley Gordon Dougan Ian C M MacLennan Constantino López-Macías Adam F Cunningham

Invasive nontyphoidal Salmonella (NTS), including Salmonella typhimurium (STm), are major yet poorly-recognized killers of infants in sub-Saharan Africa. Death in these children is usually associated with bacteremia, commonly in the absence of gastrointestinal symptoms. Evidence from humans and animal studies suggest that severe infection and bacteremia occur when specific Ab is lacking. Unders...

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