Results 31 to 40 of about 21,191 (233)

Transmission electron microscopic investigation of the dark and light pancreatic acinar beta-cells of young-domesticated pig (Sus Suidae, Erxleben 1777)

open access: yesFolia Morphologica, 2022
BACKGROUND: The current study was designed to perform a transmission electron microscopic investigation focusing on the dark and light pancreatic acinar β-cells of young domesticated pig (Sus Suidae).
M. Elghoul   +3 more
doaj   +1 more source

Micro-CT and histological examination of accessory canals in 34 equine cheek teeth

open access: yesFrontiers in Veterinary Science
Accessory canals and apical deltas have been extensively studied in human dentistry. Their clinical role as a difficult to clean reservoir for bacteria during endodontic treatments has been well described.
Szabolcs A. Korsós   +5 more
doaj   +1 more source

The phenomenon of dental pulp sensitivity in the formation of permanent teeth

open access: yesЭндодонтия Today, 2021
Aim. То carry out a comparative assessment of the change in the pain threshold (in terms of electroodontometry), the X-ray width of the root canal in the apex area and the nature of the pain sensation of the central incisors in children aged 6.5-15 years.
A. Zh. Petrikas   +6 more
doaj   +1 more source

Morphological changes in soybean cultivars subjected to apical dominance removal at phenological stages [PDF]

open access: yesCiência Rural
: This study evaluated the effect of removing apical dominance at phenological stages on the agronomic traits of soybean cultivars. The experiment was conducted in the 2020/2021 growing season inthe teaching-experimental area of the Federal Institute of ...
Júlia Letícia Cassel   +5 more
doaj   +1 more source

To analyze the mesiobuccal root canal of maxillary first molar using cone beam computed tomography: An Ex-vivo study

open access: yesJournal of Pharmacy and Bioallied Sciences, 2023
Aim and Objectives: The purpose of this study was to use cone bar CT to investigate the root trench morphology of two-hundred mesiobuccal permanent first molars in the maxilla.
Diwakar Vasisth   +5 more
doaj   +1 more source

Molecular dynamics simulations of positively selected codons in FcγRI reveal novel biochemical binding properties

open access: yesFEBS Open Bio, EarlyView.
Evolutionary analysis across 32 placental mammals identified positive selection at residues H148 and W149 in the immune receptor FcγR1. Ancestral reconstruction combined with molecular dynamics simulations reveals how these mutations may influence receptor structure and dynamics, providing insight into the evolution of antibody recognition and immune ...
David A. Young   +7 more
wiley   +1 more source

aaquetzalli is required for epithelial cell polarity and neural tissue formation in Drosophila [PDF]

open access: yesPeerJ, 2018
Morphogenetic movements during embryogenesis require dynamic changes in epithelial cell polarity and cytoskeletal reorganization. Such changes involve, among others, rearrangements of cell-cell contacts and protein traffic.
Miguel A. Mendoza-Ortíz   +2 more
doaj   +2 more sources

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

open access: yesAdvanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar   +7 more
wiley   +1 more source

Design and Analysis of Compression–Torsion Coupling Metamaterials Using the Golden Section Method

open access: yesAdvanced Engineering Materials, EarlyView.
A novel compression–torsion metamaterial is engineered using inclined rods and symmetry breaking. To optimize its torsional performance, the golden section method is employed. The mechanical response of the metamaterial is validated through both numerical analysis and experimental validation.
Amirhossein Hassani, Sara Bagherifard
wiley   +1 more source

The effect of timing temporary cements to treat induced pulp necrosis in the teeth of dogs Uso do "curativo de demora" em diferentes tempos no tratamento endodôntico de cães com necrose pulpar induzida

open access: yesPesquisa Veterinária Brasileira, 2007
During endodontic therapy (pulpectomy, root canal debridement and root canal filling) microbiological management is a major concern. Bacteria present in dentine tubules, apical foramina and apical delta are causally related to failure of the procedure ...
Léslie M. Domingues-Falqueiro   +4 more
doaj   +1 more source

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