15.First, at any time, a( small) fraction of the crust is close to the rupture instability.首先,在任何时间,地壳的一个〔〕分临近破裂非稳定状态。 16.The tenuous state of the chromosomes during the period between cell divisions should not suggest that they are inert at this time.在细胞分裂...
A fuzzy-registration approach to track cell divisions in time-lapse fluorescence microscopydoi:10.1101/419572Saoirse AmarteifioTodd FallesenGunnar PruessnerGiovanni SenaCold Spring Harbor Laboratory
4. a limited period or interval, as between two events: a long time. 5. a particular period: Youth is the best time of life. 6. Often, times. a. a period in history, or one contemporaneous with a notable person: prehistoric times; in Lincoln's time. b. the period or era now or...
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During vertebrate development, many types of precursor cell divide a limited number of times before they stop and terminally differentiate. It is unclear what limits cell proliferation and causes the cells to stop dividing when they do. The stopping mechanisms are important as they influence both th...
Intra-cytoplasmic sperm injection (ICSI) is used in assisted reproductive technology (ART) laboratories. However, there is no consensus regarding the precise time intervals within ICSI cycles [oocyte pick up (OPU), oocyte denudation (DN), and ICSI], and
elegans animals (Fig. 2a) that divide with a complex pattern of asymmetric and symmetric cell divisions over an B40 h period2. Asymmetric divisions result in a new undifferentiated seam cell and a differentiated hypodermal (H1, H2, V1–V6, T) or neuronal/glial cell (H2, V5, T). In ...
UTC was adjusted by adding “leap seconds” – one-second adjustment for accommodating the difference between precise time and observed solar time.Today’s UTC is in line with the Earth’s rotation.Still, it’s not entirely even but it’s the most optimal way to calculate the time up to ...
There is currently a growing need of time-lapse investigation for better characterisation of cell pop- ulations, e.g., to study cell proliferation, morphology evolution, long-period cytotoxicity, cell variability, cell-cell interaction, cell-substrate interaction, motility or chemotaxis. This trend ...
The efficiency of replication error repair is a critical factor governing the emergence of mutations. However, it has so far been impossible to study this efficiency at the level of individual cells and to investigate if it varies within isogenic cell po