Results 51 to 60 of about 11,320,382 (298)

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Commuting Conditions of the k-th Cho operator with the structure Jacobi operator of real hypersurfaces in complex space forms

open access: yesOpen Mathematics, 2015
In this paper three dimensional real hypersurfaces in non-flat complex space forms whose k-th Cho operator with respect to the structure vector field ξ commutes with the structure Jacobi operator are classified.
Panagiotidou Konstantina   +1 more
doaj   +1 more source

Some characterizations of Pseudo-Complex space forms

open access: yesCommunications, Faculty Of Science, University of Ankara Series A1Mathematics and Statistics, 1984
In Duke Math. J. 40, 797-799 (1973; Zbl 0274.53021) the reviewer and \textit{K. Ogiue} proved that a Kähler manifold is a complex space-form if and only if it has constant anti-holomorphic sectional curvature. In this article, the authors extend this result to a pseudo-Kähler manifold.
Nagaich, R. K., Husain, S. I.
openaire   +3 more sources

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Curvature Invariants on Partially Totally Real Submanifolds in Complex Space Forms

open access: yesMathematics
Kähler manifolds are the most studied complex manifolds. A Kähler manifold with constant holomorphic sectional curvature is said to be a complex space form. There are special classes of submanifolds in Kähler manifolds. Recently, Poyraz et al.
Ion Mihai   +3 more
doaj   +1 more source

Ricci curvature of submanifolds in Kenmotsu space forms

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2002
In 1999, Chen established a sharp relationship between the Ricci curvature and the squared mean curvature for a submanifold in a Riemannian space form with arbitrary codimension.
Kadri Arslan   +4 more
doaj   +1 more source

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

On Semi-Ryan Complex Submanifolds in an Indefinite Complex Space Form

open access: yesRocky Mountain Journal of Mathematics, 2001
Recently the present authors have given a complete classification of semisymmetric complex hypersurfaces, i.e. satisfying \(R(X,Y) \cdot R=0\), in a semidefinite complex space form \(M^m_1(c)\) [see the same journal, 31, 417-435 (2001)]. Now they give a complete classification of \(n\)-dimensional complete space-like complex submanifolds \(M ...
Choi, Young Suk   +2 more
openaire   +2 more sources

Septin 9 PB domains coordinate centrosome positioning and microtubule acetylation to control epithelial polarity

open access: yesFEBS 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

Positively curved complex submanifolds immersed in a complex space form [PDF]

open access: yesProceedings of the American Mathematical Society, 1978
The author gives the partial solution for the conjecture; a Kaehler submanifold in a complex space form of constant holomorphic sectional curvature 1 is totally geodesic if ever its holomorphic sectional curvature is greater than
openaire   +1 more source

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