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Bioscience

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Displaying 76 - 100 of 1250

Monitoring Spectrometer Drift with Unsupervised Machine Learning

November 20, 2023
Author(s)
Benjamin Harding, Ziling Hu, Ashley Hiett, Frank Delaglio, Katherine Henzler- Wildman, Chad Rienstra
Solid-state NMR spectroscopy (SSNMR) is a powerful technique to probe structural and dynamic properties of molecules at an atomic level. Modern SSNMR methods employ multidimensional pulse sequences requiring data collection over a period of days to weeks

Microfluidic Blood Separation: Key Technologies and Critical Figures of Merit

November 18, 2023
Author(s)
Karina Torres Castro, Katherine Acuna-Umana, Leonardo Lesser-Rojas, Darwin Reyes-Hernandez
Blood is a complex sample comprised mostly of plasma, red blood cells (RBCs), and other cells whose concentrations correlate to physiological or pathological health conditions. There are also many blood-circulating biomarkers, such as circulating tumor

Metabolomics 2022 Workshop Report: State of QA/QC Best Practices in LC-MS-Based Untargeted Metabolomics, Informed Through mQACC Community Engagement Initiatives

November 8, 2023
Author(s)
Tracey Schock, Warwick Dunn, Julia Kuligowski, Jonathan Mosley, Candice Ulmer Holland, Dajana Vuckovic
Introduction: The Metabolomics Quality Assurance and Quality Control Consortium (mQACC) organized a workshop during the Metabolomics 2022 conference. Objectives: The goal of the workshop was to disseminate recent findings from mQACC community-engagement

SARS-CoV-2 infection establishes an enhanced, stable, and age-independent CD8+ T cell response against a dominant nucleocapsid epitope using highly restricted TCRs

October 23, 2023
Author(s)
Cecily Choy, Joseph Chen, Jiangyuan Li, Jian Lu, Daichao Wu, Ainslee Zou, Humza Hemani, Beverly Baptiste, Emily Wichmann, Qian Yang, Jeffrey Ciffelo, Rui Yin, Julia McKelvy, Denise Melvin, Tonya Wallace, Christopher Dunn, Cuong Nguyen, Chee Chia, Jingshui Fan, Jeannie Ruffolo, Linda Zukley, Guixin Shi, Tomokazu Amano, An Yang, Osorio Meirelles, Wells Wu, Rong-Fong Chen, RICHARD WILLIS, Minoru Ko, Y-T Liu, Supriyo De, Brian Pierce, Luigi Ferrucci, josephine egan, Roy Mariuzza, Nan-ping Weng, David Travis Gallagher
We analyzed circulating CD8+ T cells recognizing six epitopes from the SARS-CoV-2 nucleocapsid (N) protein in HLA-A2+ unexposed and recovered COVID-19 patients using multi-color flow cytometry and scRNAseq. We found that SARS-CoV-2 infection slightly

Activation loop plasticity and active site coupling in the MAP kinase, ERK2

October 6, 2023
Author(s)
Laurel Pegram, Demian Riccardi, NATALIE AHN
Previous studies of the protein kinase, ERK2, using NMR and hydrogen-exchange measurements have shown changes in dynamics accompanying its activation by phosphorylation. However, knowledge about the conformational motions involved is incomplete. Here, we

Towards Ontologizing a Digital Twin Framework for Manufacturing

September 21, 2023
Author(s)
Milos Drobnjakovic, Guodong Shao, Ana Nikolov, Boonserm Kulvatunyou, Simon P. Frechette, Vijay Srinivasan
This paper presents a timely opportunity to ontologize a digital twin frame-work for manufacturing using recently published international standards and proposes a collaborative research effort to accomplish this task. The ISO/IEC 21838 series of standards

Multi'omic Characterization of Human Whole Stool RGTMs

September 8, 2023
Author(s)
Amanda Bayless, Sandra Da Silva, William Davis, Abraham Kuri Cruz, Tracey Johnston, Stephanie Servetas, Paulina Piotrowski
The gut microbiome plays a critical role in a vast and disparate set of health and disease states, including cancer and obesity. Human fecal is a complex mixture including microbes, proteins, undigested plant matter and fat content according to the diet

Quantitation and integrity evaluation of RNA genome in lentiviral vectors by direct reverse transcription-droplet digital PCR (direct RT-ddPCR)

September 2, 2023
Author(s)
Zhiyong He, Edward Kwee, Megan Cleveland, Kenneth Cole, Sheng Lin-Gibson, Hua-Jun He
Abstract Lentiviral vectors (LV) have proven to be powerful tools for stable gene delivery in both dividing and non-dividing cells. Approval of these LVs for use in clinical applications has been achieved by improvements in LV design. Critically important

A multipathway phosphopeptide standard for rapid phosphoproteomics assay development

August 30, 2023
Author(s)
Brian Searle, Allis Chien, Antonius Koller, David Hawke, Anthony Herren, Jenny Kim, Kimberly Lee, Ryan Leib, Alissa Nelson, Jian Min Ren, Paul Stemmer, Yiying Zhu, Ben Neely, Bhavin Patel
Recent advances in methodology have made phosphopeptide analysis a tractable problem for many proteomics researchers. There are now a wide variety of robust and accessible enrichment strategies to generate phosphoproteomes while free or inexpensive

National Institute of Standards and Technology Environmental Scan 2023: Societal and Technology Landscape to Inform Science and Technology Research

August 23, 2023
Author(s)
Ashley Russell, Kerrianne Buchanan, David Griffith, Heather Evans, Dimitrios Meritis, Lisa Ng, Anna Sberegaeva, Michelle Stephens
The 2023 National Institute of Standards and Technology Environmental Scan provides an analysis of key external factors that could impact NIST and the fulfillment of its mission in coming years. The analyses were conducted through three separate lenses

The complete sequence of a human Y chromosome

August 23, 2023
Author(s)
Arang Rhie, Sergey Nurk, Monika Cechova, Savannah Hoyt, Dylan Taylor, Nathanael David Olson, Justin Zook, Adam Phillippy
The human Y chromosome has been notoriously difficult to sequence and assemble because of its complex repeat structure that includes long palindromes, tandem repeats and segmental duplications1,2,3. As a result, more than half of the Y chromosome is

A Draft Human Pangenome Reference

May 10, 2023
Author(s)
Wen-Wei Liao, Mobin Asri, Jana Ebler, Jennifer McDaniel, Nathanael David Olson, Justin Wagner, Justin Zook, Erik Garrison, Tobias Marschall, Ira Hall, Heng Li, Benedict Paten
Here the Human Pangenome Reference Consortium presents a first draft of the human pangenome reference. The pangenome contains 47 phased, diploid assemblies from a cohort of genetically diverse individuals1. These assemblies cover more than 99% of the

Mechanical Regulation of Oral Epithelial Barrier Function

April 25, 2023
Author(s)
Eun Jin Lee, Paul Salipante, Anthony Kotula, Dana Graves, Stella Alimperti, Yoontae Kim
Epithelial cell function is modulated by mechanical forces imparted by the extracellular environment. The transmission of forces onto the cytoskeleton by modalities such as mechanical stress and matrix stiffness is necessary to address by the development

Toward a common standard for data and specimen provenance in life sciences

April 18, 2023
Author(s)
Rudolf Wittner, Petr Holub, Cecilia Mascia, Francesca Frexia, Heimo Muller, Markus Plass, Clare M Allocca, Fay Betsou, Tony Burdett, Ibon Cancio, Adriane Chapman, Martin Chapman, Melanie Courtot, Vasa Curcin, Johann Eder, Mark Elliot, Katrina Exter, Carole Goble, Martin Golebiewski, Bron Kisler, Andreas Kremer, Simone Leo, Sheng Lin-Gibson, Anna Marsano, Marco Mattavelli, Josh Moore, Hiroki NAKAE, Isabelle PERSEIL, Ayat Salman, James Sluka, Stian Soiland-Reyes, Caterina Strambio De Castillia, michael sussman, Jason Swedlow, Kurt Zatloukal, Joerg Geiger
Open and practical exchange, dissemination, and reuse of specimens and data have become a fundamental requirement for life sciences research. The quality of the data obtained and thus the findings and knowledge derived is thus significantly influenced by
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