Results 51 to 60 of about 96,557 (302)
FEBS Letters, EarlyView.Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil +4 more
wiley +1 more source
Circulant matrices on global data analysis [PDF]
, 2017 In this thesis, we investigate the unbiasedness of the commonly used covariance and variogram estimators when the underlying process is assumed to be stationary on the circle or axially symmetric on the sphere. We represent both estimators as a quadratic
Adaramola, Bukola O. +1 more
core
FEBS Letters, EarlyView.Septin 9 polybasic domains couple phosphoinositide‐rich membrane binding to centrosome positioning, Golgi organization, and microtubule acetylation to control epithelial polarity. Their loss disrupts this axis, causing centrosome mispositioning, Golgi fragmentation, reduced microtubule acetylation, and polarity inversion via upregulation of the ...
Ting ting Cai +4 more
wiley +1 more source
Block circulant matrices and the spectra of multivariate stationary sequences
Special Matrices, 2021 Given a weakly stationary, multivariate time series with absolutely summable autocovariances, asymptotic relation is proved between the eigenvalues of the block Toeplitz matrix of the first n autocovariances and the union of spectra of the spectral ...
Bolla Marianna +3 more
doaj +1 more source
Determinants of block matrices with noncommuting blocks
Linear Algebra and its Applications, 2017 15 pages, no ...
openaire +2 more sources
The polar decomposition of block companion matrices
, 2005 Let L(λ) = Inλm + Am−1λm−1 + …+A1λ + A0 be an n × n monic matrix polynomial, and let CL be the corresponding block companion matrix. In this note, we extend a known result on scalar polynomials to obtain a formula for the polar decomposition of CL when ...
Psarrakos, P +3 more
core +1 more source
FEBS Letters, EarlyView.This study reveals that the small GTPase Rab14 is necessary for human papillomavirus (HPV) infection and plays an essential role in the transport of virions to the trans‐Golgi network (TGN). HPV in the early endosome (EE), which harbors GTP‐bound Rab14, is transported to the TGN through the switch of Rab14 from its GTP‐bound to GDP‐bound form.
Yoshiyuki Ishii, Iwao Kukimoto
wiley +1 more source
Link Prediction via Convex Nonnegative Matrix Factorization on Multiscale Blocks
Journal of Applied Mathematics, 2014 Low rank matrices approximations have been used in link prediction for networks, which are usually global optimal methods and lack of using the local information.
Enming Dong, Jianping Li, Zheng Xie
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On periodic block-tridiagonal matrices
Linear Algebra and its Applications, 1992 Consider an \(N\times N\) tridiagonal matrix \(X\) with entries \(a_1,\ldots,a_N\) down the main diagonal,\(b_1,\ldots, b_{N-1}\) and \(c_1,\ldots,c_{N-1}\) down the super and sub-diagonal files respectively, and zeros elsewhere. Suppose further that the \(a\)-, \(b\)- and \(c\)-sequences are periodic of period \(m\) and that \(N\equiv -1\pmod m ...
ROMANI, FRANCESCO, P. ROZSA
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Degradation mechanism of the von Willebrand factor A2 domain by nattokinase
FEBS Letters, EarlyView.Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto +3 more
wiley +1 more source