Results 31 to 40 of about 1,275,847 (309)

Comparative Evaluation of Three Preprocessing Methods for Extraction and Detection of Influenza A Virus Nucleic Acids from Sputum

open access: yesFrontiers in Medicine, 2018
Viscous sputum specimens usually cannot undergo automated extraction, and thus, a pre-homogenization process is desirable before isolating nucleic acids for real-time reverse transcription PCR.
Fei Yu   +6 more
doaj   +1 more source

Phenotypes of peripheral CD4+ T helper cell subsets in pregnant women with HBeAg-negative chronic asymptomatic HBV carriers

open access: yesFrontiers in Cellular and Infection Microbiology, 2023
BackgroundChronic hepatitis B virus (HBV) infection is a major public health problem worldwide, and mother-to-child transmission is the key mode of HBV infection.
Guofang Feng   +9 more
doaj   +1 more source

Opportunities for integrated pest management to control the poultry red mite, Dermanyssus gallinae [PDF]

open access: yes, 2011
Dermanyssus gallinae is the most economically important ectoparasite of laying hens in Europe. Control of D. gallinae is already hampered by issues of pesticide resistance and product withdrawal and, with the prohibition of conventional cages in 2012 and
COSOROABA I.   +11 more
core   +2 more sources

The effect of different cementation techniques on the amount of remaining excess cement depending on the crown-abutment margin level [PDF]

open access: yesVojnosanitetski Pregled, 2023
Background/Aim. One of the disadvantages of the cement-retained fixed implant-supported restorations is the residual cement, which is found on the superstructure after the cementation procedure and has been identified as a risk factor for the occurrence ...
Đorđević Aleksandar   +5 more
doaj   +1 more source

Decreased expression of caveolin 1 in patients with systemic sclerosis: crucial role in the pathogenesis of tissue fibrosis. [PDF]

open access: yes, 2008
OBJECTIVE: Recent studies have implicated caveolin 1 in the regulation of transforming growth factor beta (TGFbeta) downstream signaling. Given the crucial role of TGFbeta in the pathogenesis of systemic sclerosis (SSc), we sought to determine whether ...
de Almeida, Cecilia J.   +6 more
core   +2 more sources

Astroglial-axonal interactions during early stages of myelination in mixed cultures using in vitro and ex vivo imaging techniques [PDF]

open access: yes, 2014
<b>Background</b><p></p> Myelination is a very complex process that requires the cross talk between various neural cell types.
Anderson, Kurt I   +4 more
core   +2 more sources

Intramachine and intermachine variability in transesophageal color doppler images of pulsatile jets: in vitro studies [PDF]

open access: yes, 1994
Background: Color Doppler flow mapping is widely used as a marker of severity of valvular regurgitation, and the transesophageal approach has provided high-quality images in patients with poor acoustic windows.
Anayiotos, Andreas   +2 more
core   +2 more sources

Modified Nucleoside Triphosphates for In-vitro Selection Techniques [PDF]

open access: yesFrontiers in Chemistry, 2016
Le développement de SELEX (Selective Enhancement of Ligands by Exponential Enrichment) fournit un outil puissant pour la recherche d'oligonucléotides fonctionnels ayant la capacité de lier des ligands avec une affinité et une sélectivité élevées (aptamères) et pour la découverte de séquences d'acides nucléiques avec diverses activités enzymatiques ...
Adolfo Marcelo Iribarren   +4 more
openaire   +4 more sources

Evaluation of In Vitro Shoot Elongation and Rooting of Date Palm, and Determination of Physiological Characteristics of Regenerated Plantlets

open access: yesNotulae Scientia Biologicae, 2019
The effects of various culture conditions on shoot elongation, rooting and plantlet acclimatization were tested. Adventitious shoots obtained through direct organogenesis of date palm (Phoenix dactylifera L.) cv. ‘Mejhoul’ were used as explants.
Reda MEZIANI   +5 more
doaj   +1 more source

Molecular medicine of microRNAs: structure, function and implications for diabetes [PDF]

open access: yes, 2008
MicroRNAs (miRNAs) are a family of endogenous small noncoding RNA molecules, of 19–28 nucleotides in length. In humans, up to 3% of all genes are estimated to encode these evolutionarily conserved sequences.
Duncan   +5 more
core   +1 more source

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