Evaluation of parylene derivatives for use as biomaterials for human astrocyte cell patterning
by Brad J. Raos, M. Cather Simpson, Colin S. Doyle, E. Scott Graham, Charles P. Unsworth
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by Brad J. Raos, M. Cather Simpson, Colin S. Doyle, E. Scott Graham, Charles P. Unsworth
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by Jasna Petković, Nataša Petrović, Ivana Dragović, Kristina Stanojević, Jelena Andreja Radaković, Tatjana Borojević, Mirjana Kljajić Borštnar
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by Atsuro Uchida, Ming Hu, Amy Babiuch, Sunil K. Srivastava, Rishi P. Singh, Peter K. Kaiser, Katherine Talcott, Aleksandra Rachitskaya, Justis P. Ehlers
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by Eva-Maria Riso, Lisette Toplaan, Piret Viira, Sille Vaiksaar, Jaak Jürimäe
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by Xinxin Geng, Na Dong, Yuquan Wang, Gan Li, Lijun Wang, Xuejiao Guo, Jiabing Li, Zhaopu Wen, Wenhui Wei
by Phillip Bedggood, Andrew Metha
We present a new method for determining cellular velocity in the smallest retinal vascular networks as visualized with adaptive optics. The method operates by comparing the intensity profile of each movie pixel with that of every other pixel, after shifting in time by one frame. The time-shifted pixel which most resembles the reference pixel is deemed to be a ‘source’ or ‘destination’ of flow information for that pixel. Velocity in the transverse direction... Читать дальше...
by Sungbae Joo, Phillip Park, Sangkyu Park
Propidium monoazide (PMA) is a highly selective dye that penetrates only membrane-compromised, dead microbial cells and inhibits both DNA extraction and amplification. PMA has been widely used for discrimination between living and dead microbial cells; however, the application of PMA in phytoplankton studies has been limited. In this study, we attempted to evaluate its applicability for the discrimination of viable phytoplankton. We tested PMA on seven phytoplankton species... Читать дальше...
by Sofie Moyson, Raewyn M. Town, Kris Vissenberg, Ronny Blust
The toxicity of zinc (Zn), copper (Cu), and cadmium (Cd) to the nematode Caenorhabditis elegans was characterised under single metal and mixture scenarios at different organisational levels. The effects on population size and body length were investigated at two concentrations corresponding to the 24 h LC5 and LC20 levels. Metal toxicity was dependent on metal concentration, exposure time and mixture composition. Populations exposed to LC20 levels of Cd... Читать дальше...
by Femke Driehuis, Thomas J. Hoogeboom, Maria W. G. Nijhuis-van der Sanden, Rob A. de Bie, J. Bart Staal
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by Attila Tordai, Andras Bors, Katalin Piroska Kiss, Katalin Balassa, Hajnalka Andrikovics, Arpad Batai, Aniko Szilvasi, Katalin Rajczy, Dora Inotai, Eva Torbagyi, Lilla Lengyel, Aniko Barta, Peter Remenyi, Tamas Masszi
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by Sebastian Krug, Jan-Philipp Mordhorst, Fabian Moser, Katharina Theuerkorn, Claudia Ruffert, Maren Egidi, Anja Rinke, Thomas M. Gress, Patrick Michl
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by Young Min Woo, Sehwa Kim, Jong-Ho Park, Nan Young Lee, Jong-Won Kim, Dennis Dong Hwan Kim
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by David M. Loczenski-Brown, Sarah Jones, Jeni Luckett, Zoe Daniel, Madelaine C. Brearley, Francis J. P. Ebling, Tim Parr, John M. Brameld
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by Wei Zhang, Jung-hyun Rho, Michael W. Roehrl, Michael H. Roehrl, Julia Y. Wang
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by Yujing Shi, Hui Gao, Georgios Pappas, Qiulan Chen, Mei Li, Jun Xu, Shengjie Lai, Qiaohong Liao, Wenwen Yang, Zhongtao Yi, Zulaguli Rouzi, Hongjie Yu
by Charles G. Gauci, Chrisostom Ayebazibwe, Zachary Nsadha, Chris Rutebarika, Ishab Poudel, Keshav Sah, Dinesh Kumar Singh, Andrew Stent, Angela Colston, Meritxell Donadeu, Marshall W. Lightowlers
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by Rita Hamad, Thu T. Nguyen, Jay Bhattacharya, M. Maria Glymour, David H. Rehkopf
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by Ahmed M. Arzika, Ramatou Maliki, Nameywa Boubacar, Salissou Kane, Sun Y. Cotter, Elodie Lebas, Catherine Cook, Robin L. Bailey, Sheila K. West, Philip J. Rosenthal, Travis C. Porco, Thomas M. Lietman, Jeremy D. Keenan, for the MORDOR Study Group
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by Tess Harris, Elizabeth S. Limb, Fay Hosking, Iain Carey, Steve DeWilde, Cheryl Furness, Charlotte Wahlich, Shaleen Ahmad, Sally Kerry, Peter Whincup, Christina Victor, Michael Ussher, Steve Iliffe, Ulf Ekelund, Julia Fox-Rushby, Judith Ibison, Derek G. Cook
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by Gavin Yamey, Osondu Ogbuoji, Justice Nonvignon
Gavin Yamey and co-authors discuss approaches to providing support for middle-income countries transitioning away from health aid.
by Katherine R. Hummels, Daniel B. Kearns
Translation elongation factor P (EF-P) alleviates ribosome pausing at a subset of motifs encoding consecutive proline residues, and is required for growth in many organisms. Here we show that Bacillus subtilis EF-P also alleviates ribosome pausing at sequences encoding tandem prolines and ribosomes paused within several essential genes without a corresponding growth defect in an efp mutant. The B. subtilis efp mutant is instead impaired for flagellar... Читать дальше...
by Nasna Nassir, Geoffrey J. Hyde, Ramamurthy Baskar
Telomerase, particularly its main subunit, the reverse transcriptase, TERT, prevents DNA erosion during eukaryotic chromosomal replication, but also has poorly understood non-canonical functions. Here, in the model social amoeba Dictyostelium discoideum, we show that the protein encoded by tert has telomerase-like motifs, and regulates, non-canonically, important developmental processes. Expression levels of wild-type (WT) tert were biphasic... Читать дальше...
by Erlend Hodneland, Erik Hanson, Ove Sævareid, Geir Nævdal, Arvid Lundervold, Veronika Šoltészová, Antonella Z. Munthe-Kaas, Andreas Deistung, Jürgen R. Reichenbach, Jan M. Nordbotten
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by Mikael F. Forsgren, Markus Karlsson, Olof Dahlqvist Leinhard, Nils Dahlström, Bengt Norén, Thobias Romu, Simone Ignatova, Mattias Ekstedt, Stergios Kechagias, Peter Lundberg, Gunnar Cedersund
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by Li Xie, Alex E. Yuan, Wenying Shou
Multispecies microbial communities often display “community functions” arising from interactions of member species. Interactions are often difficult to decipher, making it challenging to design communities with desired functions. Alternatively, similar to artificial selection for individuals in agriculture and industry, one could repeatedly choose communities with the highest community functions to reproduce by randomly partitioning each into multiple “Newborn” communities for the next cycle. Читать дальше...