نتایج جستجو برای: p2 hmc tio2
تعداد نتایج: 39177 فیلتر نتایج به سال:
5-hydroxymethylcytosine (5-hmC) is a recently discovered epigenetic modification that is altered in cancers. Genome-wide assays for 5-hmC determination are needed as many of the techniques for 5-methylcytosine (5-mC) determination, including methyl-sensitive restriction digestion and bisulfite sequencing cannot distinguish between 5-mC and 5-hmC. Glycosylation of 5-hmC residues by beta-glucosyl...
Mammalian DNA is epigenetically marked by 5'-cytosine methylation (5-methylcytosine [5-mC]). The Ten-eleven translocation (TET) enzymes (TET1, TET2, and TET3) are implicated in DNA demethylation, through dioxygenase activity that converts 5-mC to 5-hydroxymethylcytosine (5-hmC). Although decreased TET is reportedly associated with decreased 5-hmC levels in various cancers, functions of 5-hmC an...
Three 3,4-dithienyl-substituted polythiophene derivatives have been synthesized and characterized. Polymer P2 exhibits the widest light absorption spectrum of the polymers in its polymer chain, which has an alternative donor-acceptor structure. Copolymers blended with 6,6-phenyl-C71-butyric acid methyl ester(PC71BM) as active layers are used to fabricate polymer solar cells (PSCs), and a variet...
DNA cytosine methylation (5mC) is highly abundant in mammalian cells and is associated with transcriptional repression. Recently, hydroxymethylcytosine (hmC) has been detected at high levels in certain human cell types; however, its roles are unknown. Due to the structural similarity between 5mC and hmC, it is unclear whether 5mC analyses can discriminate between these nucleotides. Here we show...
Hamiltonian Monte Carlo (HMC) exploits Hamiltonian dynamics to construct efficient proposals for Markov chain Monte Carlo (MCMC). In this paper, we present a generalization of HMC which exploits non-canonical Hamiltonian dynamics. We refer to this algorithm as magnetic HMC, since in 3 dimensions a subset of the dynamics map onto the mechanics of a charged particle coupled to a magnetic field. W...
5-hydroxymethylcytosine (5-hmC) is an extensively studied DNA epigenetic modification. Here we present a novel tool which combined with next generation sequencing offers new ways of analyzing 5-hmC at the genomic level. We demonstrate that the Thermo ScientificTM EpiJETTM 5-hmC Enrichment Kit is highly specific for different DNA samples containing 5-hmC modifications. Our data shows that this t...
The Jacobi metric introduced in mathematical physics can be used to analyze Hamiltonian Monte Carlo (HMC). In a geometrical setting, each step of HMC corresponds to a geodesic on a Riemannian manifold with a Jacobi metric. Our calculation of the sectional curvature of this HMC manifold allows us to see that it is positive in cases such as sampling from a high dimensional multivariate Gaussian. ...
Received: July 11, 2016 Revised: February 20, 2017 Accepted: March 02, 2017 Abstract: Background: Domestic medical waste from Home Medical Care (HMC) is a concern in Japan. In 2005, the Japanese government provided that HMC waste is collected by municipalities. HMC waste includes infectious or sharps, thus such waste should be collected by doctor or nurse. Nevertheless, no studies have examined...
The Hybrid Monte Carlo (HMC) algorithm[1] is now the standard method to simulate dynamical fermions. However the cost of the algorithm is substantial. It is therefore desirable to improve the efficiency of the HMC algorithm. First, we examine the possibility of changing the step size adaptively[2,3]. Second, we implement the HMC algorithm with approximate Hamiltonians. Lastly, we precondition t...
The aim of our study was to analyze the presence of 5-methyl-cytosine (5-mC) and 5-hydroxymethyl-cytosine (5-hmC) in the genome of crustacean Daphnia pulex. First, the presence of 5-mC and 5-hmC in genomic DNA was demonstrated by using antibodies specific to either 5-mC or 5-hmC. Then, analysis of 5-mC and 5-hmC using pairs of restriction enzymes with different sensitivity to methylation and hy...
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