Results 141 to 150 of about 8,064,980 (248)

The Origins of Ploem's Filter Cube: A Pandora's Box

open access: yesJournal of Microscopy, Volume 304, Issue 3, Page 266-276, December 2026.
Abstract Ploem's filter cube, central to modern epifluorescence microscopy, integrates three matched optical components: an excitation filter, an emission filter, and a dichroic mirror. Together, these elements enable the separation of excitation and emission light paths, producing high‐contrast fluorescence images.
Jack Gordon   +3 more
wiley   +1 more source

The demographics of long-period comets

open access: yes, 2015
The absolute magnitude and perihelion distributions of long-period comets are derived, using data from the Lincoln Near-Earth Asteroid Research (LINEAR) survey. The results are surprising in three ways.
Francis, Paul
core   +1 more source

Pain‐Related Outcome Domains and Measures in Randomized Controlled Trials of Treatment for Acute Abdominal Pain: A Systematic Review

open access: yesEuropean Journal of Pain, Volume 30, Issue 10, November 2026.
ABSTRACT Background and Objectives Acute abdominal pain frequently presents to emergency departments, yet outcome domains in randomized controlled trials (RCTs) remain poorly characterized. This review identified pain‐related domains and outcome measures used in RCTs on acute abdominal pain.
Louise Kuhlmann   +7 more
wiley   +1 more source

Prediscovery Activity of New Interstellar Object 3I/ATLAS: Rapid Brightening from 6 to 4 au

open access: yesThe Astrophysical Journal Letters
We report on the prediscovery observations and constraints of the new interstellar comet 3I/2025 N1 (ATLAS), made by the Zwicky Transient Facility, for the inbound leg of the comet out to a heliocentric distance of r _h  = 17 au, or approximately a year ...
Quanzhi Ye   +11 more
doaj   +1 more source

Evaluation of DNA/Chromosome Integrity and Cell Death in Human Metabolically Noncompetent and Competent Cells Exposed to N′‐(3,5‐Difluorobenzylidene)Pyridine‐4‐Carbohydrazide

open access: yesJournal of Applied Toxicology, Volume 46, Issue 11, Page 4076-4084, November 2026.
ABSTRACT The N‐acylhydrazone scaffold is recognized as a privileged structure for the design of bioactive substances with increasing applications in medicinal chemistry research. Ensuring the safety of newly developed molecules is a critical step for both human health and environmental protection. Accordingly, this study aimed to evaluate the cytotoxic
Larissa Ribeiro Canuto Santos   +4 more
wiley   +1 more source

Dose‐Related Gastric Toxicity of Diethyl Phthalate in Female Wistar Rats

open access: yesJournal of Applied Toxicology, Volume 46, Issue 11, Page 4242-4254, November 2026.
ABSTRACT Diethyl phthalate (DEP) is commonly used in cosmetics, personal care products, and pharmaceutical formulations as a low‐molecular‐weight phthalate. Despite its widespread use, information on its effects on the gastric mucosa remains limited. This study examined the dose‐related effects of DEP on inflammation, oxidative stress, gastric mucosal ...
Gul Sahika Gokdemir   +5 more
wiley   +1 more source

Diagnosis and surgical treatment of cutaneous neurofibroma in a goldfish (Carassius auratus)

open access: yesVeterinary Record Case Reports, Volume 14, Issue 4, November 2026.
Abstract A goldfish (Carassius auratus) from a pet store was presented with a nodular lesion on the dorsal cranial region. The fish exhibited normal swimming behaviour and appetite. Clinical evaluation, haematology analysis, and radiography confirmed a superficial cutaneous mass without internal organ involvement.
Luz Zoraya Beatriz Duarte‐Rodriguez   +4 more
wiley   +1 more source

Remote Sensing for Operational Surveillance of Mosquito‐Borne Diseases

open access: yesGeoHealth, Volume 10, Issue 11, November 2026.
Abstract Remote sensing observations have demonstrated increasing value in identifying human risk from mosquito‐borne diseases because mosquito ecology is intrinsically tied to geophysical variables measurable by satellites. Satellite‐based monitoring of environmental conditions at varying temporal and spatial scales has extended our capacity for ...
Lauren V. Ash   +8 more
wiley   +1 more source

A novel mechanism for outbursts of Comet 17P/Holmes and other short-period comets

open access: yes, 2007
A mechanism is proposed to explain the outburst of comet 17P/Holmes based on; (a) oxidation of water within the porous surface of the comet nucleus to form hydrogen peroxide (H2O2) through exposure to UV radiation, to energetic solar-wind particles and to cosmic radiation, (b) concentration of the H2O2 component through solid-, liquid- and gas-phase ...
openaire   +2 more sources

Coupling MRI and XRCT to Resolve Structure–Transport Evolution During Enzyme‐Induced Calcite Precipitation at the REV Scale

open access: yesWater Resources Research, Volume 62, Issue 11, November 2026.
Abstract The aim of this study is to understand how enzyme‐induced calcite precipitation (EICP) modifies flow and transport in porous media, as this is essential for developing sustainable approaches to soil stabilization, permeability control, and groundwater management.
Samira Emadi   +3 more
wiley   +1 more source

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