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Topic Area: Life Sciences Research

Displaying records 41 to 50 of 269 records.
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41. Microfluidic Based Contactless DielectrophoreticDevice: Modeling and Analysis
Topic: Life Sciences Research
Published: 9/1/2010
Authors: Saugandhika Minnikanti, Darwin R Reyes-Hernandez, Ruben Claudio Aguilar, Joseph Pancrazio, Michael Gaitan, Nathalia Peixoto
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907086

42. Using surface plasmon resonance imaging to probe dynamic interactions between cells and extracellular matrix
Topic: Life Sciences Research
Published: 7/13/2010
Authors: Alexander W Peterson, Michael W Halter, Alessandro Tona, Kiran Bhadriraju, Anne L Plant
Abstract: Details of cellular interaction with a fibronectin coated surface were examined using surface plasmon resonance imaging (SPRI). SPRI is a label-free highly sensitive technique that is based on the measurement of interfacial refractive index. SPRI is ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903817

43. The mouse ortholog of NEIL3 is a functional DNA glycosylase in vitro and in vivo
Topic: Life Sciences Research
Published: 3/16/2010
Authors: Minin Liu, Viswanath Bandaru, Jeffrey Bond, Pawel Jaruga, Xiaobei Zhao, Plamen P Christov, Cynthia Burrows, Carmelo J. Rizzo, M Miral Dizdar, Susan Wallace
Abstract: To protect cells from oxidative DNA damage and mutagenesis, organisms possess multiple glycosylases to recognize the damaged bases and to initiate the Base Excision Repair (BER) pathway. Recently, three DNA glycosylases were identified in mammals tha ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903370

44. Evidence for the involvement of DNA repair enzyme NEIL1 in nucleotide excision repair of (5'R)- and (5'S)-8,5'-Cyclo-2'-deoxyadenosines
Topic: Life Sciences Research
Published: 2/16/2010
Authors: Pawel Jaruga, Yan Xiao, Vladimir Vartanian, R Stephen Lloyd, M Miral Dizdar
Abstract: The DNA repair enzyme NEIL1 is a DNA glycosylase that is involved in the first step of base excision repair (BER) of oxidatively induced DNA damage. NEIL1 exhibits a strong preference for excision of 4,6-diamino-5-formamidopyrimidine (FapyAde) and 2, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904755

45. The oxidative DNA glycosylases of Mycobacterium tuberculosis exhibit different substrate specificities from their Escherichia coli counterparts
Topic: Life Sciences Research
Published: 2/4/2010
Authors: Yin Guo, Viswanath Bandaru, Pawel Jaruga, Xiaobei Zhao, Cynthia Burrows, Shigenori Iwai, M Miral Dizdar, Jeffrey Bond, Susan Wallace
Abstract: The DNA glycosylases function in the first step of the base excision repair process that is responsible for removing endogenous oxidative purine and pyrimidine damages from DNA. The DNA glycosylases that remove oxidized DNA bases fall into two genera ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904173

46. In-plane Homogeneity and Lipid Dynamics in tethered Bilayer Lipid Membranes (tBLMs)
Topic: Life Sciences Research
Published: 1/1/2010
Authors: Siddharth Shenoy, Radu Moldovan, James Fitzpatrick, David J Vanderah, Markus Deserno, Mathias Losche
Abstract: Tethered bilayer lipid membranes (tBLMs) were prepared by the self-assembly of thiolated lipidic anchors on gold films sputtered on Si wafers, followed by phospholipid precipitation via rapid solvent exchange. They were characterized in their in-plan ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903881

47. Quantitative Infrared Spectroscopy of Formalin-Fixed, Paraffin-Embedded Tissue Specimens: Paraffin Wax Removal with Organic Solvents
Report Number: 832407
Topic: Life Sciences Research
Published: 12/1/2009
Authors: Curtis W Meuse, Peter E. Dr. Barker
Abstract: Formalin-fixed, paraffin embedded tissue specimens for histopathology are cut to 3-20 μm thickness to allow transmission of light, and optimize tissue morphology. Tissue is stabilized by formalin fixation followed by impregnation with wax in non ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=832407

48. Improved Methods and Standards for Telomerase Detection: Quantitative Histopathology Using Antibody Staining
Topic: Life Sciences Research
Published: 10/1/2009
Authors: J P. Jakupciak, Nathan D. Gallant, A H Smith, Matthew Becker, Alessandro Tona, Donald H Atha
Abstract: The enzyme telomerase is expressed in 85% to 90% of all human cancers, but not in normal, non-stem cell somatic tissues at detectable levels. Clinical studies using indirect measurements, like telomerase activity assays, have demonstrated an associa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830522

49. Substrate specificity and excision kinetics of natural polymorphic variants and phosphomimetic mutants of human 8-oxoguanine-DNA glycosylase
Topic: Life Sciences Research
Published: 9/1/2009
Authors: Viktoriya Sidorenko, Arthur P Grollman, Pawel Jaruga, M Miral Dizdar, Dmitry Zharhov
Abstract: Human 8-oxoguanine-DNA-glycosylase (OGG1) efficiently removes mutagenic 8-oxoguanine (8-oxoGua) and 2,6-diamino-4-hydroxy-5-formamidopyrimidine (FapyGua) when paired with cytosine in damaged DNA. Excision of 8-oxoGua mispaired with adenine may lead t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902113

50. Protein crystal engineering of YpAC-IV using a strategy of excess charge reduction
Topic: Life Sciences Research
Published: 8/5/2009
Authors: David Travis Gallagher, N N Smith, Sung Kim, Howard Robinson, Prasad T Reddy
Abstract: The class IV adenylyl cyclase from Yersinia pestis has been engineered to enable crystallization at neutral pH for mechanism studies. The wild-type enzyme crystallized only at pH below 5. Based on the unliganded wild-type structure 2FJT at 1.9 Angs ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830569



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