Results 61 to 70 of about 42,969 (194)

Conservation Hotspots of Quercus castaneifolia Revealed Through the Integration of Genetic Diversity and Landscape Connectivity

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
This study integrates the genetic characterization of chestnut‐leaved oak across its distribution range in the Hyrcanian forests with landscape connectivity modeling to identify regions of high evolutionary and ecological importance. Two main core areas, located in the western and eastern parts of the Hyrcanian forests, were identified and connected by
Gilda Shahnaseri   +3 more
wiley   +1 more source

Effect of Raster Orientation on the Mechanical Performance of 3D‐Printed PLA Using Fused Filament Fabrication

open access: yesEngineering Reports, Volume 8, Issue 4, April 2026.
This study investigates the effect of raster orientation on the mechanical behavior of 3D‐printed PLA fabricated by fused filament fabrication (FFF). Specimens with orientations of 0°, 45°, and 90° were tested under tensile loading (ASTM D638) and Charpy impact testing (U‐notch).
Mohammad Khodabandeh   +4 more
wiley   +1 more source

Different SARS‐CoV‐2 Subvariants and Coagulation Markers Trend: A Retrospective Multicentric Study From Iranian Network for Research in Viral Diseases (INRVD)

open access: yesHealth Science Reports, Volume 9, Issue 4, April 2026.
ABSTRACT Background and Aims This study aims to examine the prevalence and progression of coagulation disorders in adult COVID‐19 patients and evaluate the effect of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) on coagulation markers. Methods This retrospective study included 1885 hospitalized COVID‐19 patients, aged 20 to over 90 years,
Alireza Razavi   +100 more
wiley   +1 more source

Relationship of some risk factors and symptoms in patients with acute coronary syndrome [PDF]

open access: yes, 2012
Acute coronary syndrome (ACS) is one of the major causes of death in the worldwide. Clinical manifestations are different. So it's necessary to have knowledge about the types of symptoms experienced by patients with ACS. This study was performed to assay
Afshar, M.H.   +7 more
core  

Computed Tomography Scans in the Prediction of Margin‐Negative Resection in Pancreatic Cancer Following Neoadjuvant Treatment: An Updated Systematic Review and Meta‐Analysis

open access: yesiRADIOLOGY, Volume 4, Issue 2, Page 147-156, April 2026.
In this systematic review and meta‐analysis which evaluated the role of CT scan in the prediction of margin‐negative resection in pancreatic cancer following neoadjuvant treatment, the pooled sensitivity was 0.50 (95% CI: 0.34–0.66), and the pooled specificity was 0.75 (95% CI: 0.61–0.85).
Ehsan Emami   +14 more
wiley   +1 more source

Effect of Urtica dioica L extract on quantitative morphometric alterations of liver parenchymal cells in STZ diabetic rats [PDF]

open access: yes, 2009
Diabetes is associated with several structural and functional liver abnormalities that affect glycogen and lipid metabolism. In this study, an attempt was made to evaluate the effects of hydroalcoholic extract of Urtica dioica leaves on Quantitative ...
Farsi, M.M.   +2 more
core   +1 more source

National Colonialism: Nation‐State, Colonialism and Colonisation of Kurdistan

open access: yesNations and Nationalism, Volume 32, Issue 2, Page 414-425, April 2026.
ABSTRACT This article develops the concept of ‘national colonialism’ to capture colonial relations in the nation‐state form. It does so through a critical appraisal of the concept of ‘internal colonialism’, which largely fails to explain the links between nationalism and colonial relations.
Behnam Amini
wiley   +1 more source

Faunistic survey of parasitoid wasps (Hymenoptera) in forest areas of Mazandaran province, northern Iran [PDF]

open access: yesمجله جنگل ایران, 2019
In this research, the fauna of parasitoid wasps (Hymenoptera) was studied in 14 forest regions in Mazandaran province (northern Iran) during 2010-2016.
Hassan Ghahari
doaj  

The menopausal age and associated factors in Gorgan, Iran [PDF]

open access: yes, 2013
Background: Considering the physical, emotional and psychological complications of early or delayed menopause on women's life, it is necessary to determine associated factors of menopause age.
Abdollahi, A.A.   +7 more
core  

The preventive and treatment effect of Urtica dioica on astrocyte density in the CA1 and CA3 subfields of hippocampus in STZ induced diabetic rats [PDF]

open access: yes, 2013
Several animal model studies have shown that Diabetes mellitus can affect on the activity of hippocampus astrocytes, but these studies reported controversial findings.
Afshar, M.   +3 more
core   +1 more source

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