نتایج جستجو برای: ppr

تعداد نتایج: 1233  

Journal: :Epileptic disorders : international epilepsy journal with videotape 2011
Anis Jukkarwala Haseeb Hassan Muralidharan Nair Rajesh S Iyer

Photoparoxysmal response (PPR) is commonly associated with idiopathic generalised epilepsies. Most of the focal events induced by intermittent photic stimulation (IPS) are reported to be of occipital origin. Only six temporal lobe epilepsy patients have been reported in the literature with focal PPR at extraoccipital sites. We report a four-year-old girl with possible encephalitis who presented...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2011
Xiaojuan Liao Guosong Chen Ming Jiang

In this paper, we demonstrate the first hybrid suprastructure of pseudopolyrotaxanes (PPRs) on clay nanoplatelets. Simple end-modification of poly(ethylene glycol) with pyridinium (PEG-N(+)) enabled the chains to form brushlike conformation on clay surfaces. Thus, the PEG chains were able to thread into the cavities of α-cyclodextrins (α-CDs), leading to hybrid PPR hydrogels. This was very diff...

2006
Shijin Lou Thomas Duever Hector Budman

Two fault detection approaches are compared using a Projection Pursuit Regression (PPR) algorithm: ia classification approach where the fault detection PPR model is trained based on the class numbers and iian estimation approach where the PPR model is trained to predict the value of the process variable that define the class boundaries and then the corresponding class is identified by comparing...

Journal: :Trends in plant science 2008
Christian Schmitz-Linneweber Ian Small

Pentatricopeptide repeat (PPR) proteins are RNA-binding proteins that are particularly prevalent in terrestrial plants. Although the PPR protein family was only recognized eight years ago, it is already clear that these proteins have a range of essential functions in post-transcriptional processes (including RNA editing, RNA splicing, RNA cleavage and translation) within mitochondria and chloro...

2015
CORNELIA NITIPIR MARIA ALEXANDRA BARBU LILIANA GABRIELA POPA MARA MADALINA MIHAI IRINA RADU DANIEL MIREA CALIN GIURCANEANU RĂZVAN VALENTIN SCĂUNAȘU

Epidermal growth factor receptor inhibitors (EGFRI) are used for the treatment of advanced colorectal, head and neck, pancreatic, and non-small cell lung cancers. Although EGFRI have a much better tolerability profile compared with conventional cytotoxic drugs, they are associated with significant skin toxicity. The most frequent dermatologic side effect is the papulo-pustular rash (PPR). It of...

2014
Nadja Brehme Anja Zehrmann Daniil Verbitskiy Barbara Härtel Mizuki Takenaka

INTRODUCTION In plastids and mitochondria of plants, RNA editing changes numerous cytidines to uridines. The nucleotides to be edited are selected by trans-acting proteins which are structurally characterized as pentatricopeptide repeat (PPR) proteins (Kotera et al., 2005; Schmitz-Linneweber and Small, 2008; Takenaka et al., 2013b). The approximately 35 amino acids long elements each attach to ...

Journal: :Developmental dynamics : an official publication of the American Association of Anatomists 2004
C Faucheux B M Nicholls S Allen J A Danks M A Horton J S Price

Parathyroid hormone (PTH)-related peptide (PTHrP) and the PTH/PTHrP receptor (PPR) play an essential role in controlling growth plate development. The aim of the present study was to use the deer antler as a model to determine whether PTHrP and PPR may also have a function in regulating cartilage and bone regeneration in an adult mammal. Antlers are the only mammalian appendages that are able t...

Journal: :Plant physiology 2006
Eric Rivals Clémence Bruyère Claire Toffano-Nioche Alain Lecharny

In Arabidopsis (Arabidopsis thaliana) the 466 pentatricopeptide repeat (PPR) proteins are putative RNA-binding proteins with essential roles in organelles. Roughly half of the PPR proteins form the plant combinatorial and modular protein (PCMP) subfamily, which is land-plant specific. PCMPs exhibit a large and variable tandem repeat of a standard pattern of three PPR variant motifs. The associa...

Journal: :Seizure 1998
K. Topalkara G. Alarcón C. D. Binnie

The protocol used for intermittent photic stimulation (IPS) may determine the likelihood of evoking a photoparoxysmal response (PPR). One-hundred and thirty-five electroencephalograms (EEGs) presenting PPRs, from 125 patients were studied in order to identify the most effective stimulation frequency to evoke a PPR and the effects of repetition of IPS on the occurrence of a PPR. Two stimulation ...

2017
Ping Zhang Fang Wang Yao Cheng Liu yi Zhang Bei zhu Ye Hong wei Jiang Yi Sun Xi Zhu Yuan Liang

OBJECTIVES To provide an empirical examination of patient-provider relationships (PPR) and its association with organizational and individual factors. METHODS A national cross-sectional survey was conducted by stratified cluster sampling in 77 hospitals across seven provinces in China between July 2014 and April 2015, involving 3621 doctors, 5561 nurses, and 8022 patients with response rates ...

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