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DNA双链断裂（double strand break，DSB）是极为严重的DNA损伤形式。如果不对其进行修复或修复错误及修复不及时，可导致基因组突变和更大范围的结构重排，引起细胞癌变或者基因组不稳定性相关疾病等。
In principle, quantum-based devices such as computers and sensors could vastly outperform conventional digital technologies for carrying out many complex tasks. But developing such devices in practice...
Organization of acetylcholine containing structures in the cranial motor nuclei of the rhombencephalon of the pig
cranial nerve motor nuclei choline acetyltransferase immunoreactivity swine
2015/3/13
We explored the immunoreactivity of choline acetyltransferase (ChAT) in the cranial nerve motor nuclei of the porcine rhombencephalon to reveal the cholinergic nature of these regions. In our experime...
Speech Rhythm Guided Syllable Nuclei Detection.
Penn Scientists Identify Patterns of RNA Regulation in the Nuclei of Plants
Penn Scientists RNA Regulation Nuclei of Plants
2015/1/8
When the human genome was first sequenced, experts predicted they would find about 100,000 genes. The actual number has turned out to be closer to 20,000, just a few thousand more than fruit flies hav...
Radio and Far-Infrared Emission as Tracers of Star Formation and Active Galactic Nuclei in Nearby Cluster Galaxies
AWM7 A426
2014/12/24
We have studied the radio and far-infrared (FIR) emission from 114 galaxies in the seven nearest clusters (<100 Mpc) with prominent X-ray emission to investigate the impact of the cluster environment ...
MID-INFRARED SPECTROSCOPY OF CANDIDATE ACTIVE GALACTIC NUCLEI-DOMINATED SUBMILLIMETER GALAXIES
starburst submillimeter
2014/12/23
We report the detection of CO molecular line emission in the z = 4.5 millimeter-detected galaxy COSMOS J100054+023436 (hereafter J1000+0234) using the IRAM Plateau de Bure interferometer (PdBI) and NR...
MID-INFRARED SPECTROSCOPY OF CANDIDATE ACTIVE GALACTIC NUCLEI-DOMINATED SUBMILLIMETER GALAXIES
Spitzer spectroscopy evolutionary sequence
2014/12/20
Spitzer spectroscopy has revealed that 80% of submm galaxies (SMGs) are starburst (SB)-dominated in the mid-infrared. Here we focus on the remaining 20% that show signs of harboring powerful active ga...
In this paper, we present a novel speech-rhythm-guided syllablenuclei location detection algorithm. As a departure from conventional methods, we introduce an instantaneous speech rhythm estimator to p...
Probing Novel Properties of Nucleons and Nuclei via Parity Violating Electron Scattering
asymmetry happex parity prex quarks strange
2014/11/20
This thesis reports on two experiments conducted by the HAPPEx (Hall A Proton Parity Experiment) collaboration at the Thomas Jefferson National Accelerator Facility. For both, the weak neutral current...
NEWPORT NEWS, VA, October 16, 2014 – Like dancers swirling on the dance floor with bystanders looking on, protons and neutrons that have briefly paired up in the nucleus have higher-average momentum, ...
NEWPORT NEWS, VA, October 16, 2014 – Like dancers swirling on the dance floor with bystanders looking on, protons and neutrons that have briefly paired up in the nucleus have higher-average momentum, ...
Role of quantum nuclei and local fields in the x-ray absorption spectra of water and ice
Role of quantum nuclei local fields the x-ray absorption spectra of water and ice Chemical Physics
2012/4/19
We calculate the x-ray absorption spectra of liquid water at ambient conditions and of hexagonal ice close to melting, using a static GW approach that includes approximately local field effects. Quant...
Response of Cloud Condensation Nuclei (> 50 nm) to changes in ion-nucleation
Response Cloud Condensation Nuclei changes ion-nucleation
2012/2/28
In experiments where ultraviolet light produces aerosols from trace amounts of ozone, sulphur dioxide, and water vapour, the number of additional small particles produced by ionization by gamma source...
The first IRAM/PdBI polarimetric millimeter survey of active galactic nuclei. II. Activity and properties of individual sources
IRAM/PdBI polarimetric millimeter survey properties individual sources
2012/2/21
We present an analysis of the linear polarization of six active galactic nuclei - 0415+379 (3C~111), 0507+179, 0528+134 (OG+134), 0954+658, 1418+546 (OQ+530), and 1637+574 (OS+562). Our targets were m...