Results 101 to 110 of about 108,547 (303)

The onset of homologous chromosome pairing during Drosophila melanogaster embryogenesis. [PDF]

open access: yes, 1993
We have determined the position within the nucleus of homologous sites of the histone gene cluster in Drosophila melanogaster using in situ hybridization and high-resolution, three-dimensional wide field fluorescence microscopy.
Agard, DA   +5 more
core  

Parallel 3D Bioprinting on SLIPS‐Microarrays

open access: yesAdvanced Functional Materials, EarlyView.
This work introduces the first truly parallel 3D bioprinting method, enabling both the simultaneous fabrication of hundreds of cell laden hydrogel 3D structures and their HTS in individual liquid compartments. By integrating Digital Light Processing (DLP) stereolithography with functional micropatterns, the platform decouples printing time from array ...
Julius von Padberg   +3 more
wiley   +1 more source

Cloning of the Coffea canephora SERK1 promoter and its molecular analysis during the cell-to-embryo transition

open access: yesElectronic Journal of Biotechnology, 2018
Background: Somatic embryogenesis receptor-like kinase 1 (SERK1) is a cell membrane receptor active in different plant tissues and involved in cell differentiation activities including somatic embryogenesis.
Doribet Jiménez-Guillen   +4 more
doaj   +1 more source

Differential expression of conserved germ line markers and delayed segregation of male and female primordial germ cells in a hermaphrodite, the leech helobdella. [PDF]

open access: yes, 2013
In sexually reproducing animals, primordial germ cells (PGCs) are often set aside early in embryogenesis, a strategy that minimizes the risk of genomic damage associated with replication and mitosis during the cell cycle.
Cho, Sung-Jin   +2 more
core   +2 more sources

Optimizing Somatic Embryo Production in Mango

open access: yesJournal of the American Society for Horticultural Science, 1989
Abstract Medium components and characteristics that affect the growth of embryogenic mango ( Mangifera indica L.) nucellar cultures and production of somatic embryos in vitro were studied.
Stephen G. DeWald   +2 more
openaire   +1 more source

Tissue‐Stimulator Platform for Electrically Stimulating Pancreatic β‐Cells for Long‐Term Functional Regulation

open access: yesAdvanced Functional Materials, EarlyView.
We present a tissue‐stimulator platform for seamless electrode integration with pancreatic tissue, applying uniform electrical stimulation through optimized design with biohybrid 3D printing. Advantageous effects of electrical stimulation on β‐cell function were observed, including enhanced calcium signaling, islet morphology, and maturation.
Jihwan Kim   +7 more
wiley   +1 more source

Induksi dan Proliferasi Embriogenesis Somatik In Vitro pada Lima Genotipe Kedelai [PDF]

open access: yes, 2016
Somatic embryo induction medium was reported to be genotype dependent for soybean. This study was aimed to obtain the optimum medium for embryo somatic induction and proliferation, and to regenerate somatic embryo of five soybean genotypes.
Ardie, D. S. (dan)   +3 more
core  

Biocompatible but Antibacterial Mechanism of Graphene Oxide for Sustainable Antibiotics

open access: yesAdvanced Functional Materials, EarlyView.
Graphene oxide (GO) exhibits selective antibacterial activity through specific interactions between its oxygen functional groups and bacterial membrane phospholipid POPG, causing membrane destabilization while maintaining biocompatibility. Model membrane studies and infected wound models in mice and pigs demonstrate effective bacterial suppression and ...
Sujin Cha   +15 more
wiley   +1 more source

Somatic Embryogenesis in Selected Conifer Trees Pinus nigra Arn. and Abies Hybrids

open access: yesFrontiers in Plant Science, 2019
Somatic embryogenesis was achieved in the conifers Pinus nigra Arn. and in the hybrids Abies alba ×A. cephalonica and Abies alba ×A. numidica. For initiation of embryogenic tissue in P.
Terézia Salaj   +3 more
doaj   +1 more source

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