Results 41 to 50 of about 6,585 (262)

Cell division [PDF]

open access: yesWormBook, 2006
The C. elegans embryo is a powerful model system for studying the mechanics of metazoan cell division. Its primary advantage is that the architecture of the syncytial gonad makes it possible to use RNAi to generate oocytes whose cytoplasm is reproducibly (typically >95%) depleted of targeted essential gene products via a process that does not depend ...
Karen, Oegema, Anthony A, Hyman
openaire   +2 more sources

Matrix divisibility sequences [PDF]

open access: yes, 2012
The plan for the paper is as follows: we shall first introduce the general notion of a matrix divisibility sequence indexed by a semigroup. Then we will see how a faithful representation of the semigroup by endomorphisms of an affine space gives rise to ...
Sub Algebra,Geometry&Mathem. Logic begr.   +3 more
core   +1 more source

Sex‐Stratified Association of Regional Dopamine Transporter Binding With Disease Progression in Amyotrophic Lateral Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To clarify the clinical relevance of dopamine transporter single‐photon emission computed tomography (DAT‐SPECT) abnormalities in amyotrophic lateral sclerosis (ALS), with a prespecified focus on sex‐stratified associations with disease progression and short‐term prognosis.
Tomoya Kawazoe   +7 more
wiley   +1 more source

Divisibility of Dynamical Maps: Schrödinger Versus Heisenberg Picture

open access: yesPRX Quantum
Divisibility of dynamical maps is a central notion in the study of quantum non-Markovianity, providing a natural framework to characterize memory effects via time-local master equations.
Federico Settimo   +5 more
doaj   +1 more source

Divisibility in mathematics textbooks [PDF]

open access: yes, 2020
The bachelor thesis is focused on the concepts of divisibility in Czech mathematics textbooks for lower secondary schools. Namely, it describes which divisibility rules they include, if pupils are led to participating on their derivation, how are the ...
Šmídová, Lucie
core  

Enhancing Super‐Resolution Spatial Transcriptomics Data by Transfer Learning

open access: yesAdvanced Science, EarlyView.
SpotZoomer employs a transfer‐learning‐based strategy to enhance the resolution of Visium data by leveraging available high‐resolution priors. The resulting super‐resolved maps enable sharper delineation of cell boundaries and more precise inference of cell–cell communication patterns that would otherwise remain obscured at native resolution.
Xiaoyu Li, Lihua Zhang, Wenwen Min
wiley   +1 more source

The cost of dividing the commons: Overlapping property systems in Tonle Sap, Cambodia

open access: yesInternational Journal of the Commons, 2015
This paper examines the political implications of dividing the commons through the case study of private fishing lots in the Tonle Sap Great Lake of Cambodia.
Thol Dina, Jin Sato
doaj   +1 more source

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang   +3 more
wiley   +1 more source

How Much Should Multipack Products Be Sold For?

open access: yesMaketingu rebyu
This study is a theoretical and empirical investigation into the conditions required for the “price divisibility effect,” a recent academic theory concerning price promotions.
Kano Toyoda
doaj   +1 more source

Segmented Double‐Unit Bridging Technique Using Autologous Semitendinosus Graft for Massive Irreparable Rotator Cuff Tears

open access: yesArthroscopy Techniques, EarlyView.
Abstract Massive irreparable rotator cuff tears remain a surgical challenge. Whereas the subscapularis and infraspinatus can often be repaired anatomically, the supraspinatus frequently presents an irreparable defect. Current options such as superior capsular reconstruction provide only static, compensatory solutions. This article describes a segmented
Heyong Yin   +6 more
wiley   +1 more source

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