Results 61 to 70 of about 4,657 (224)

Suggestions as to the structure of the tails of comets [PDF]

open access: yesThe London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science
(1859). Suggestions as to the structure of the tails of comets. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: Vol. 18, No. 122, pp. 479-480.
openaire   +1 more source

Cellular Responses to Tartrazine and Sulfanilic Acid Exposure in BEAS‐2B Cells: Viability, Apoptosis, and DNA Damage

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Tartrazine is a synthetic azo dye widely used in food, pharmaceutical, and cosmetic products, resulting in extensive human exposure, while its toxicity and that of its primary metabolite, sulfanilic acid, remain controversial. Considering the reported association of tartrazine with hypersensitivity and allergic‐like reactions, human bronchial ...
Merve Baysal   +5 more
wiley   +1 more source

The Impact of Genetic Polymorphisms on Genotoxicity (DNA Damage) Among Children Exposed to Environmental Mutagens: A Systematic Review

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Children, as a particularly vulnerable group, are more susceptible to these mutagens due to their developing immune systems, higher physiological vulnerability, and increased exposure through behaviors like outdoor play and hand‐to‐mouth activities. This review aims to investigate the relationship between these environmental exposures, genetic
Thiago Guedes Pinto   +7 more
wiley   +1 more source

A Dormant Captured Oort Cloud Comet Awakens: (18916) 2000 OG44

open access: yesThe Astrophysical Journal Letters
We report the discovery of activity emanating from (18916) 2000 OG _44 (alternately designated 1977 SD), a minor planet previously reported to be both an extinct comet and an asteroid on a cometary orbit. We observed 2000 OG _44 with a thin tail oriented
Colin Orion Chandler   +4 more
doaj   +1 more source

What is a Comet's Tail? [PDF]

open access: yesScientific American, 1894
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openaire   +1 more source

Use of ultrasonography in assessing peri‐implant osseous defects: An in vitro study

open access: yesJournal of Periodontology, EarlyView.
Abstract Background The purpose of this study is to investigate the feasibility and diagnostic accuracy of ultrasonography in peri‐implant defect identification and evaluation, and to compare ultrasonography (USG) with cone‐beam computed tomography (CBCT) in defect identification and evaluation in an in vitro model.
Melissa Rachel Fok   +4 more
wiley   +1 more source

Systemic DNA damage in Brazilian farmers exposed to pesticides

open access: yesAcademia Molecular Biology and Genomics
The chronic health effects of pesticides exposure include reproductive damage, neurological damage, hormonal dysfunction, and cancer; the genotoxic effects of pesticides are the primary factor contributing to carcinogenesis.
Melissa Mancini   +4 more
doaj   +1 more source

On the Formation of the Tails of Comets [PDF]

open access: yesScientific American, 1881
n ...
openaire   +1 more source

High‐Frequency Ultrasound Assessment of Female Genital Rejuvenation

open access: yesJournal of Ultrasound in Medicine, EarlyView.
Objectives To describe the role of high‐frequency ultrasound (HFUS) in the anatomical evaluation and monitoring of female genital rejuvenation procedures and to illustrate characteristic sonographic patterns associated with commonly used aesthetic treatments.
Luciana Zattar   +1 more
wiley   +1 more source

Nail Disorders in Systemic Conditions

open access: yesJEADV Clinical Practice, EarlyView.
ABSTRACT Nail findings in children can be indicative of an underlying systemic disease. Many of these findings are seen in multiple entities and are not specific to one disease. The importance of specifically examining for these nail changes cannot be overstated.
Jane Sanders Bellet
wiley   +1 more source

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