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1,697 Newest Publications about the topic clusters

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Observation of high-order harmonic generation in a bulk crystal

05-12-2010 | Shambhu Ghimire; Anthony D. DiChiara; Emily Sistrunk; Pierre Agostini; Louis F. DiMauro; David A. Reis, Nature Physics, 2010

Observation of high-order harmonic generation in a bulk crystal Nature Physics 7, 138 (2011). doi:10.1038/nphys1847 Authors: Shambhu Ghimire, Anthony D. DiChiara, Emily Sistrunk, Pierre Agostini, Louis F. DiMauro & David A. Reis Harmonic generation is a general feature of driven ...

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Regulation of Dynamin‐2 Assembly‐Disassembly and Function Through the SH3A Domain of Intersectin‐1s

03-12-2010 | Knezevic, Ivana; Predescu, Dan; Bardita, Cristina; Wang, Minhua; Sharma, Tiffany; Keith, Barbara; Neamu, Radu; Malik ..., Journal of Cellular and Molecular Medicine, 2010

ABSTRACT Intersectin‐1s (ITSN‐1s), a five SH3 domain‐containing protein, is critically required for caveolae and clathrin‐mediated endocytosis (CME), due to its interactions with dynamin (dyn). Of the five SH3A‐E domains, SH3A is unique because of its high affinity for dyn and potent ...

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Spatial Segmentation of Imaging Mass Spectrometry Data with Edge-Preserving Image Denoising and Clustering

03-12-2010 | Theodore Alexandrov; Michael Becker; Sören-Oliver Deininger; Günther Ernst; Liane Wehder; Markus Grasmair ..., Journal of Proteome Research, 2010

In recent years, matrix-assisted laser desorption/ionization (MALDI)-imaging mass spectrometry has become a mature technology, allowing for reproducible high-resolution measurements to localize proteins and smaller molecules. However, despite this impressive technological advance, only a few ...

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An In Vivo Method for Characterization of Protein Interactions within Sulfur Trafficking Systems of E. coli

03-12-2010 | Heather M. Bolstad; Matthew J. Wood, Journal of Proteome Research, 2010

Sulfur trafficking systems are multiprotein systems that synthesize sulfur-containing cofactors such as iron−sulfur clusters. The sulfur is derived enzymatically from cysteine and transferred between nucleophilic cysteine residues within proteins until incorporation into the relevant ...

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Toponome Imaging System: In Situ Protein Network Mapping in Normal and Cancerous Colon from the Same Patient Reveals More than Five-Thousand Cancer Specific Protein Clusters and Their Subcellular Annotation by Using a Three Symbol Code

03-12-2010 | Sayantan Bhattacharya; George Mathew; Ernie Ruban; David B. A. Epstein; Andreas Krusche; Reyk Hillert; Walter Schube ..., Journal of Proteome Research, 2010

In a proof of principle study, we have applied an automated fluorescence toponome imaging system (TIS) to examine whether TIS can find protein network structures, distinguishing cancerous from normal colon tissue present in a surgical sample from the same patient. By using a three symbol code ...

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Cytokinin-induced organogenesis in Lessertia (Sutherlandia) frutescens L. using hypocotyl and cotyledon explants affects yields of l-canavanine in shoots

02-12-2010 | Shakira Shaik, Nisha Singh, Ashley Nicholas, Plant Cell, Tissue and Organ Culture, 2010

A simple protocol for direct shoot organogenesis and plant regeneration in Lessertia frutescens using hypocotyl and cotyledon segments is reported. l-canavanine content in the derived shoots is also quantified. Media containing different concentrations and combinations of the cytokinins ...

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Interaction of fibrinogen with magnetite nanoparticles

01-12-2010 | A. V. Bychkova, O. N. Sorokina, A. L. Kovarski, A. B. Shapiro, V. B. Leonova, M. A. Rozenfel’d, Biophysics, 2010

The interaction between fibrinogen and magnetite nanoparticles in solution has been studied by the methods of spin labeling, ferromagnetic resonance, dynamic and Rayleigh light scattering. It is shown that protein molecules adsorb on the surface of nanoparticles to form multilayer protein ...

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Sample Size Considerations for GEE Analyses of Three‐Level Cluster Randomized Trials

01-12-2010 | Steven Teerenstra, Bing Lu, John S. Preisser, Theo van Achterberg, George F. Borm; Steven Teerenstra; Bing Lu; John ..., Biometrics, 2010

Summary Cluster randomized trials in health care may involve three instead of two levels, for instance, in trials where different interventions to improve quality of care are compared. In such trials, the intervention is implemented in health care units (“clusters”) and aims at changing the ...

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Mapping QTLs for nitrogen‐deficiency tolerance at seedling stage in rice (Oryza sativa L.)

01-12-2010 | Y. Feng, L. Y. Cao, W. M. Wu, X. H. Shen, X. D. Zhan, R. R. Zhai, R. C. Wang, D. B. Chen, S. H. Cheng; Y. Feng; L. Y ..., Plant Breeding, 2010

With 2 figures and 4 tables Abstract A recombinant inbred line (RIL) population, consisting of 238 F12 lines derived from ‘R9308’/’Xieqingzao B’, the parents of a super hybrid rice in China, was developed for mapping quantitative trait locus (QTL) for nitrogen deficiency tolerance. A ...

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Insulin Secretory Granules Enter a Highly Calcium‐Sensitive State following Palmitate‐Induced Dissociation from Calcium Channels: A Theoretical Study

01-12-2010 | Pedersen, M. G., Journal of Neuroendocrinology, 2010

Abstract Impaired insulin secretion is a major contributor to diabetes. Obesity is a known risk factor for the development of diabetes, and prolonged exposure of pancreatic islets to lipids results in impaired insulin secretion. Insulin is released from pancreatic β‐cells as a result of ...

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