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You searched on: Topic Area: Bioscience Health Sorted by: date

Displaying records 41 to 50 of 301 records.
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41. Measuring Organelle Shape in 3D in Stem Cells Cultured on Nanofiber Scaffolds
Topic: Bioscience & Health
Published: 4/19/2014
Authors: Carl George Simon Jr., Peter Bajcsy, Wojtek J Tutak, Jyotsnendu J. Giri
Abstract: Previous work has demonstrated that culture of osteoprogenitor cells on nanofiber scaffolds can potentiate osteogenic differentiation [1-4]. Culture of cells in nanofiber scaffolds causes changes to cell morphology, suggesting that morphological ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914995

42. Roles of Nanofiber Structure and Chemistry in Directing Stem Cell Morphology, Differentiation and Gene Expression
Topic: Bioscience & Health
Published: 4/19/2014
Authors: Sumona Sarkar, Bryan A. Baker, Desu Chen, Wolfgang Losert, Carl George Simon Jr., Joy P Dunkers
Abstract: Nanofiber technology has emerged as a promising tool to recapitulate the native extracellular matrix (ECM) environment for tissue engineering and regenerative medicine strategies. Cell-material interactions in the nanofiber system are largely de ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914988

43. Structural Basis for Inactivation of Giardia lamblia Carbamate Kinase by Disulfiram
Topic: Bioscience & Health
Published: 4/11/2014
Authors: Andrey Galkin, Liudmila Kulakova, Kap Lim, Catherine Chen, Wei Zhang, Illarion V Turko, Osnat Herzberg
Abstract: Carbamate kinase from Giardia lamblia is an essential enzyme for the survival of the organism. The enzyme catalyzes the final step in the arginine dihydrolase pathway converting ADP and carbamoyl phosphate to ATP and carbamate. We previously repo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915235

44. AN EXAMINATION OF METAL DEPOSITION DERIVED FROM AEROSPACE-RELATED ACTIVITY IN SEVERAL ENVIRONMENTAL MATRICES COLLECTED FROM WATERS SURROUNDING THE KENNEDY SPACE CENTER (KSC), FLORIDA
Topic: Bioscience & Health
Published: 4/8/2014
Authors: John A Bowden, Theresa M Cantu, Douglas M Scheidt, Russell H Lowers, Brian A Nocito, Vaneica Y Young, Louis J Guillette
Abstract: Metal deposition originating from anthropogenic activity was examined in a two-tier study using environmental samples collected from several locations at the Kennedy Space Center (KSC) and surrounding Merritt Island National Wildlife Refuge (MINWR) w ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914578

45. Measuring Stem Cell Dimensionality in Tissue Scaffolds
Topic: Bioscience & Health
Published: 4/1/2014
Authors: Carl George Simon Jr., Sapun Parekh, Christopher K. Tison, Girish Kumar, Tanya M. Farooque, Charles H Camp
Abstract: Many 3D scaffold systems have evolved for tissue engineering, drug screening and in vitro tissue models. However, it is not clear which scaffolds provide a 3D cell niche and there is no clear way to measure cell niche dimensionality. Advances in 3D ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913148

46. Certification of Total Arsenic in Blood and Urine Standard Reference Materials by Radiochemical Neutron Activation Analysis and Inductively Coupled Plasma Mass Spectrometry
Topic: Bioscience & Health
Published: 3/1/2014
Authors: Rick L. Paul, William C Davis, Karen E Murphy, Colleen E Bryan, Lee Lijian Yu, William F Guthrie, Dennis D Leber, Thomas W Vetter
Abstract: A newly developed procedure for determination of arsenic by radiochemical neutron activation analysis was used to measure arsenic in SRM 955c Toxic Elements in Caprine Blood and SRM 2668 Toxic Elements in Frozen Human Urine for the purpose of providi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909821

47. Assessing Vitamin D Status: Time for a Rethink?
Topic: Bioscience & Health
Published: 2/19/2014
Authors: Karen W Phinney, Graham D. Carter
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915458

48. Why human genome sequencing platforms differ: Integrating sequencing datasets to understand biases and form consensus variant calls
Topic: Bioscience & Health
Published: 2/16/2014
Authors: Justin M Zook, Brad Chapman, Winston Hide, Marc L Salit
Abstract: Hundreds of thousands of differences exist between human whole genome variant calls from different sequencing platforms and variant calling pipelines, but the reasons for these differences are poorly understood. Well-characterized whole genome Refer ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912658

49. Designing High-Performance PbS and PbSe Nanocrystal Electronic Devices through Stepwise, Post-Synthesis, Colloidal Atomic Layer Deposition
Topic: Bioscience & Health
Published: 2/6/2014
Authors: Soong Ju Oh, Nathaniel E. Berry, Hi-Hyuk Choi, E. Ashley Gaulding, Hangfei Lin, Taejong Paik, Benjamin T. Diroll, Shinichiro Muramoto, Murray B. Christopher, Cherie R. Kagan
Abstract: We report a facile, solution based, post synthetic colloidal atomic layer deposition (PS-cALD) process to engineer the surface stoichiometry and therefore electronic properties of lead chalcogenide nanocrystal (NC) thin films. Using the stepwise and ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915267

50. CPTAC Studies 1 and 5: dissecting variability in multi-site LC-MS/MS proteomics through quality metrics and robust hierarchical multivariate statistics
Topic: Bioscience & Health
Published: 2/4/2014
Authors: Stephen E Stein, David M Bunk, Xia Wang, Matthew Chambers, Lorenzo J Vega-Montoto, David L. Tabb
Abstract: Shotgun proteomics experiments integrate a complex sequence of processes, any of which can introduce variability. Quality metrics computed from LC-MS/MS data have relied upon identifying MS/MS scans, but a new mode for the QuaMeter software produces ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914875



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