نتایج جستجو برای: hj
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From the University of Michigan School of Public Health, Department of Environmental Health Sciences, Ann Arbor (LMZ, JN); Arab-American Center for Economic and Social Services (ACCESS), Dearborn (KS, AH, HJ); Department of Family Medicine, Wayne State University, Detroit (HJ); Michigan. Lauren M. Zajac, BS; Jerome O. Nriagu, PhD, DSc; Kathryn Savoie, PhD; Adnan Hammad, PhD; Hikmet Jamil, MD, PhD
Radioactive Quality Evaluation and Cross Validation of Data from the HJ-1A/B Satellites' CCD Sensors
Data from multiple sensors are frequently used in Earth science to gain a more complete understanding of spatial information changes. Higher quality and mutual consistency are prerequisites when multiple sensors are jointly used. The HJ-1A/B satellites successfully launched on 6 September 2008. There are four charge-coupled device (CCD) sensors with uniform spatial resolutions and spectral rang...
Current models for meiotic recombination require that crossovers derive from the resolution of a double-Holliday junction (dHJ) intermediate. In prokaryotes, enzymes responsible for HJ resolution are well characterized but the identification of a eukaryotic nuclear HJ resolvase has been elusive. Indirect evidence suggests that MUS81 from humans and fission yeast encodes a HJ resolvase. We provi...
Microdosimetric distribution/Target theory/Nanometer-size target/Calculation method/60Co ƒÁ rays A calculation method of frequency distributions for the microdosimetric quantity J (number of effec tive primary events produced in a target), hj, is presented. This method is briefly compared with other approaches developed by Kellerer and Chmelevsky, and Wilson and Paretzke for numerical calculati...
Hepaticojejunostomy (HJ) is a common operation used to by-pass extrahepatic biliary obstructions and to establish biliary-enteric continuity after resections for benign and malignant diseases. Little is known about the effect of this procedure on hepatobiliary physiology. The aim of the present study was to investigate in a swine model the changes in biliary dynamics, bile composition, and hepa...
Building on work on Miura’s transformation by Kappeler, Perry, Shubin, and Topalov, we develop a detailed spectral theoretic treatment of Schrödinger operators with matrix-valued potentials, with special emphasis on distributional potential coefficients. Our principal method relies on a supersymmetric (factorization) formalism underlying Miura’s transformation, which intimately connects the tri...
Resurgence of a debilitating and entirely preventable respiratory disease among working coal miners.
1. Kim HJ, Lee MS, Hong SB, Huh JW, Do KH, Jang SJ, Lim CM, Chae EJ, Lee H, Jung M, et al. A cluster of lung injury cases associated with home humidifier use: an epidemiological investigation. Thorax 2014; 69:703–708. 2. Kim KW, Ahn K, Yang HJ, Lee S, Park JD, Kim WK, Kim JT, Kim HH, Rha YH, Park YM, et al. Humidifier disinfectant-associated children’s interstitial lung disease. Am J Respir Cri...
The DNA recombination and repair machineries of Mycoplasma genitalium and Mycoplasma pneumoniae differ considerably from those of gram-positive and gram-negative bacteria. Most notably, M. pneumoniae is unable to express a functional RecU Holliday junction (HJ) resolvase. In addition, the RuvB homologues from both M. pneumoniae and M. genitalium only exhibit DNA helicase activity but not HJ bra...
We have determined the X-ray crystal structures of two DNA Holliday junctions (HJs) bound by Cre recombinase. The HJ is a four-way branched structure that occurs as an intermediate in genetic recombination pathways, including site-specific recombination by the lambda-integrase family. Cre recombinase is an integrase family member that recombines 34 bp loxP sites in the absence of accessory prot...
It is highly desirable to accurately detect the clouds in satellite images before any kind of applications. However, clouds and snow discrimination in remote sensing images is a challenging task because of their similar spectral signature. The shortwave infrared (SWIR, e.g., Landsat TM 1.55–1.75 μm band) band is widely used for the separation of cloud and snow. However, for some sensors such as...
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