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Health

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Displaying 326 - 350 of 1608

Phase noise generated by vibration of bacteria adhered to a quartz resonator

September 22, 2017
Author(s)
Ward L. Johnson, Danielle C. France, F L. Walls, William T. Cordell, Nikki S. Rentz
An approach is presented for sensing mechanical fluctuations of bacteria, with potential application in monitoring microbial responses to changes in chemical environment, such as antimicrobial intervention. Bacteria are tethered to a quartz crystal

Using metagenomic methods to detect organismal contaminants in microbial materials.

September 12, 2017
Author(s)
Nathanael D. Olson, Justin M. Zook, Jayne B. Morrow, Nancy J. Lin
High sensitivity methods as next generation sequencing and PCR are adversely impacted by organismal and DNA contaminants. Current methods for detecting contaminants in microbial materials (genomic DNA and cultures) are not sensitive enough and require

Small molecule inhibitors of DNA glycosylases as potential drugs in cancer therapy

August 31, 2017
Author(s)
M Miral Dizdar, Aaron C. Jacobs, Nathan Donley, Marcus J. Calkins, Ajit Jadhav, Dorjbal Dorjsuren, David Maloney, Anton Simeonov, Pawel Jaruga, Erdem Coskun, Amanda K. McCullough, R. S. Lloyd
Statement of the Problem: Most chemotherapeutic agents kill cancer cells by damaging DNA. Cancer cells overexpress DNA repair proteins and thus increase DNA repair capacity that can cause resistance to therapy by removing DNA lesions before they become

A serum small molecule biosignature of radiation exposure from total body irradiated patients

August 21, 2017
Author(s)
Evagelia C. Laiakis, Evan L. Pannkuk, Siddheshwar Chauthe, Yi-Wen Wang, Ming Liang, Tytus Mak, Christopher A. Barker, Giuseppe Astarita, Albert J. Fornace
The potential of radiological accidents and nuclear terrorism have increased the need for development of new rapid biodosimetry methods. In addition, in a clinical setting the issue of an individual's radiosensitivity should be taken into consideration

Genome-wide reconstruction of complex structural variants using read clouds

July 17, 2017
Author(s)
Noah Spies, Ziming Weng, Alex Bishara, Jennifer H. McDaniel, David N. Catoe, Justin M. Zook, Marc L. Salit, Robert B. West, Serafim Batzoglou, Arend Sidow
Recently developed methods that utilize partitioning of long genomic DNA fragments, and barcoding of shorter fragments derived from them, have succeeded in retaining long-range information in short sequencing reads. These so-called read cloud approaches

FLOW CYTOMETER PERFORMANCE CHARACTERIZATION, STANDARDIZATION AND CONTROL

May 9, 2017
Author(s)
Lili Wang, Robert A. Hoffman
Flow cytometry is a widely used technique for the analysis of single cells and particles. It is an essential tool for immunological research, drug and device development, clinical trials, disease diagnosis, and therapy monitoring. However, the measurements