Results 41 to 50 of about 394,194 (163)

Single‐Cell Analysis of Alternative Splicing and Gene Regulatory Network Reveals Remarkable Expression and Regulation Dynamics During Human Early Embryonic Development

open access: yesFASEB BioAdvances, Volume 7, Issue 7, July 2025.
By integrating single‐cell RNA‐seq data, this study reveals dynamic changes in gene expression, alternative splicing, and isoform switching during human early embryonic development (E3–E7). These regulatory layers are complementary and stage‐specific, with sex‐dependent differences especially evident at E3.
Jiwei Chen   +5 more
wiley   +1 more source

Análisis comparativo de las mediciones de material particulado PM10

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2011
En este estudio se determinaron las concentraciones de PM10 en la zona urbana del municipio de Riohacha, Colombia y se compararon dos métodos de muestreo de manera simultánea.
Roberto Rojano Alvarado   +2 more
doaj  

Um modelo discreto de partículas 2D para simulação da fratura em rocha: formulação e calibração

open access: yesGeotecnia, 2013
Modelos detalhados de partículas têm sido adotados na modelação da fratura em materiais quase frágeis. Neste artigo é adotado um modelo de partículas 2D que tem sido desenvolvido tendo em vista o estudo da fratura em rocha. Os sistemas de partículas são
Nuno Azevedo, Fátima Gouveia
doaj   +1 more source

Partículas radioativas no mel de abelhas(Apis mellifera L.)

open access: yesBoletim de Indústria Animal, 2013
A liberação de partículas radioativas artificiais para a natureza pode contaminar os insetos, seus produtos e, conseqüentemente, o homem. A apicultura é dependente das plantas, ficando as abelhas expostas aos poluentes liberados na natureza que as intoxicam e contaminam seus produtos.
Ricardo de Oliveira Orsi   +4 more
openaire   +7 more sources

Poeira mineral e impacto ambiental na região de Pirapora e Várzea da Palma, Minas Gerais: contaminação do ar, da água, do solo e das plantas.

open access: yesRevista Espinhaço, 2012
As indústrias siderúrgicas de Pirapora e Várzea da Palma produzem uma fumaça carregada com partículas minerais. Estas partículas dispersas na área cotaminam a água, o solo e as plantas, causando poluição e problemas de saúde humana. As amostras coletadas
Heinrich Horn   +2 more
doaj   +1 more source

The food of the larvae of the northern anchovy Engraulis mordax [PDF]

open access: yes, 1959
ENGLISH: Hitherto the only investigation dealing with the food and feeding of the larvae of the northern anchovy, Engraulis mordax Girard, was that of Arthur (1956).
Berner, Jr., Leo
core  

Evaluation of the two‐voltage method for parallel‐plate ionization chambers irradiated with pulsed beams

open access: yesMedical Physics, Volume 52, Issue 6, Page 4894-4909, June 2025.
Abstract Background Air‐vented ionization chambers exposed to clinical radiation beams may suffer from recombination during the drift of the charge carriers towards the electrodes. Thus, dosimetry protocols recommend the use of a correction factor, usually denominated saturation factor (ksat$k_{\rm sat}$), to correct the ionization chamber readout for ...
José Paz‐Martín   +7 more
wiley   +1 more source

Adiabatic pumping solutions in global AdS

open access: yesJournal of High Energy Physics, 2017
We construct a family of very simple stationary solutions to gravity coupled to a massless scalar field in global AdS. They involve a constantly rising source for the scalar field at the boundary and thereby we name them pumping solutions.
Pablo Carracedo   +3 more
doaj   +1 more source

Análisis temporal de las concentraciones y morfología de partículas suspendidas menores a 10 micrometros de la zona industrial del Valle de Toluca, Estado de México [PDF]

open access: yes, 2009
En la ciudad de Toluca, existe preocupación por los niveles de concentración de partículas que se han presentado en los últimos años, los cuales han llegado a rebasar la norma ambiental.
Borja, Manuel   +3 more
core  

In vivo dosimetry for proton therapy: A Monte Carlo study of the Gadolinium spectral response throughout the course of treatment

open access: yesMedical Physics, Volume 52, Issue 4, Page 2412-2424, April 2025.
Abstract Background In proton radiotherapy, the steep dose deposition profile near the end of the proton's track, the Bragg peak, ensures a more conformed deposition of dose to the tumor region when compared with conventional radiotherapy while reducing the probability of normal tissue complications.
Mariana Brás   +3 more
wiley   +1 more source

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