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You searched on: Topic Area: Life Sciences Research Sorted by: date

Displaying records 1 to 10 of 273 records.
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1. Optical Properties of CdSe/ZnS Nanocrystals
Series: Journal of Research (NIST JRES)
Report Number: 119.026
Topic: Life Sciences Research
Published: 12/31/2014
Authors: Paul C DeRose, Yu-Zhong Zhang, Adolfas Kastytis Gaigalas
Abstract: Measurements are presented of the absorbance, fluorescence emission, fluorescence quantum yield, and fluorescence lifetime of CdSe/ZnS nanocrystals, also known as quantum dots (QDs). The study included three groups of nanocrystals whose surfa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914539

2. Rbm24a and Rbm24b are required for normal somitogenesis
Topic: Life Sciences Research
Published: 8/29/2014
Author: Samantha D Maragh
Abstract: We recently demonstrated that the gene encoding the RNA binding motif protein 24 (Rbm24)¬¬ is expressed during mouse cardiogenesis, and determined the developmental requirement for its zebrafish homologs Rbm24a and Rbm24b during cardiac developme ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915918

3. Polyelectrolyte Multilayers in Microfluidic Systems for Biological Applications
Topic: Life Sciences Research
Published: 7/31/2014
Authors: Saugandhika Sarma Minnikanti, Aveek Gangopadhyay, Darwin R Reyes-Hernandez
Abstract: The formation of polyelectrolyte multilayers (PEMs) for the first time two decades ago demonstrating the assembly on charged substrates in a very simple and efficient way have proven to be a reliable method to obtain structures tunable at the nanomet ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916103

4. Significant disparity in base and sugar damage in DNA by neutron and electron irradiation
Topic: Life Sciences Research
Published: 7/1/2014
Authors: Pawel Jaruga, Jeffrey S Nico, Lisa R Karam, Olga Timofeeva, William Blakely, M Miral Dizdar, D Pang
Abstract: In this study a comparison of the effects of high-LET neutrons with low-LET electrons on irradiation of aqueous DNA solutions was investigated to characterize for potential neutron signatures on DNA damage induction. Ionizing radiations generate ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915234

5. Inward cholesterol gradient of the membrane system installed by malaria parasites in normal and sickle erythrocytes
Topic: Life Sciences Research
Published: 5/29/2014
Authors: Fuyuki Tokumasu, Georgeta Crivat, Hans Ackerman, Jeeseong Hwang, Thomas E. Wellems
Abstract: Plasmodium falciparum (Pf) infection remodels the human erythrocyte with new membrane systems, including a modified host erythrocyte membrane (EM), a parasitophorous vacuole membrane (PVM), a tubulovesicular network (TVN), and Maurer's clefts (MC ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913652

6. Machine Learning Analysis for Identification of Cell Shape Metrics Associated with Stem Cell Differentiation in Nanofiber Scaffolds
Topic: Life Sciences Research
Published: 4/19/2014
Authors: Desu Chen, Sumona Sarkar, Stephen J Florczyk, Subhadip Bodhak, Carl George Simon Jr., Joy P Dunkers, Julian Candia, Wolfgang Losert
Abstract: Cell shape has been demonstrated to be closely related to cell function and may be an important predictor of cell fate. Many metrics are available to describe cell shape, however the relationship of these metrics to cell fate are not well understood ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914971

7. Roles of Nanofiber Structure and Chemistry in Directing Stem Cell Morphology, Differentiation and Gene Expression
Topic: Life Sciences Research
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

8. A Novel Mechanism for Regulating the Activity of Proliferating Cell Nuclear Antigen by a Small Protein
Topic: Life Sciences Research
Published: 3/10/2014
Authors: Zvi Kelman, Richard Y. Huang, Zhuo Li, Jerard Hurwitz, Santangelo J Thomas, Travis H Hileman, Yopp C Daniel, Jeffrey W Hudgens
Abstract: Chromosomal DNA replication requires the regulated activity of large number of proteins and complexes. Proliferating cell nuclear antigen (PCNA) protein forms a homotrimeric ring that associates with, and regulates the activity of, many proteins ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914076

9. Improved Normalization of Systematic Biases Affecting Ion Current Measurements in Label-free Proteomics Data
Topic: Life Sciences Research
Published: 2/21/2014
Authors: Paul A Rudnick, Xinjian Yan, Stephen E Stein, Xia Wang, Nell Sedransk
Abstract: Systematic biases, or batch effects, in ,high-throughput‰ biological datasets can be described as obscuring variabilities introduced during experimental design or analytical processing. These biases, if left unresolved, can lead to misinterpreta ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913822

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



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