Results 131 to 140 of about 69,769 (246)

A Hanks‐type bacterial kinase, PknS, directly phosphorylates the alternative sigma factor EcfK to promote resistance to protist predation

open access: yesThe FEBS Journal, Volume 293, Issue 9, Page 2772-2793, May 2026.
The Xanthomonas citri Hanks‐type kinase PknS autophosphorylates and directly phosphorylates the alternative sigma factor EcfK at five residues. Besides the conserved residue T51 in the σ2 domain, phosphorylation of a residue in the linker between σ2 and σ4 is critical for EcfK activation by promoting its interaction with a positively charged pocket in ...
Lídia dos Passos Lima   +12 more
wiley   +1 more source

IMPACTO DA ALTA EVOLUÇÃO DO NÚMERO DE DISCENTES DO CURSO DE GRADUAÇÃO EM ENGENHARIA DE SOFTWARE DA UNIVERSIDADE DE BRASÍLIA

open access: yesRevista de Ensino de Engenharia, 2020
A. B. D. Sales   +1 more
semanticscholar   +1 more source

Seasonal dynamics in terrestrial insect communities after the impact of the Brumadinho tailings dam disaster

open access: yesInsect Conservation and Diversity, Volume 19, Issue 3, Page 634-646, May 2026.
Despite severe habitat loss, insect species richness, seasonal fluctuations in richness and temporal β‐diversity did not differ significantly among forests adjacent to the mudflow and reference sites. We found higher wet‐season species richness for ants, bees, butterflies and dung beetles, while termites showed no seasonal change; β‐diversity was ...
Frederico Neves   +11 more
wiley   +1 more source

3D‐Printed Geopolymer as a Basic Heterogeneous Catalyst for the Synthesis of α‐Cyanoacrylates Through the Knoevenagel Condensation

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 16, 25 April 2026.
3D‐printed geopolymers are presented as efficient and reusable heterogeneous catalysts for the Knoevenagel condensation. Under mild and green conditions, they promote the high‐yield synthesis of diverse α‐cyanoacrylates with remarkable stability and scalability.
Francesca T. Albino   +5 more
wiley   +1 more source

Investigation of the Optical and Morphological Properties of PS/POMA Blends Hybridized With Erbium Oxide (Er2O3)

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 16, April 20, 2026.
ABSTRACT Polymeric blends (PB) represent a rapid and cost‐effective strategy for the development of materials with tailored properties. In this study, blends of polystyrene (PS) and poly(o‐methoxyaniline) (POMA) containing 7.5 wt/wt% of POMA were prepared and hybridized with erbium oxide (Er2O3) at concentrations of 0.5, 1.0, and 3.0 wt/wt%.
Ana Carolina Pires Martins   +4 more
wiley   +1 more source

Engenharia Urbana [PDF]

open access: yesURBE - Revista Brasileira de Gestão Urbana, 2013
Armando Carlos de PINA FILHO   +1 more
openaire   +1 more source

Tailored Dual Responsive Hybrid Gelatin Methacryloyl/Poly[2‐(Dimethylamino)Ethyl Methacrylate] Hydrogels for Efficient Ibuprofen Release in Topical Applications

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 15, April 15, 2026.
GelMA/DMAEMA hybrid hydrogels for release of ibuprofen. ABSTRACT In this study, biocompatible hydrogels intended for topical delivery of ibuprofen were synthesized from gelatin methacryloyl (GelMA) and 2‐(dimethylamino)ethyl methacrylate (DMAEMA) by varying their proportions. The impact of different GelMA and DMAEMA ratios was comprehensively evaluated
Guilherme Frey Schutz   +7 more
wiley   +1 more source

Relatório técnico do Plano Diretor SANEGRAN: resumo [PDF]

open access: yesRevista DAE, 1977
Hidroservice Engenharia de Projetos Ltda.
doaj  

Engenharia geotécnica: Alicerce fundamental de todas as engenharias

open access: yesRevista Científica Multidisciplinar Núcleo do Conhecimento
A Engenharia Geotécnica é apresentada como a base imprescindível sobre a qual se apoiam todas as obras de engenharia. Este artigo discute a importância dessa área, destacando que todas as construções dependem intrinsecamente do terreno em que se inserem, o que torna fundamental o conhecimento aprofundado do solo, das rochas e da água subterrânea para ...
openaire   +1 more source

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