Morning Overview on MSN

Scientist kayaks to remote Arctic for microplastics and finds something worse

When researchers set out to measure tiny plastic fragments in Arctic waters, they expected to find pollution that had drifted ...

Representative Samples: What Percentage of the Population Is Needed?

Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.
EurekAlert!

Transfer learning empowers material Z classification with muon tomography

Researchers have demonstrated, for the first time, that transfer learning can significantly enhance material Z-class identification in muon tomography, even in scenarios with limited or completely ...
Frontiers

Respiratory Bacterial Culture Sampling in Expectorating and Non-expectorating Patients With Cystic Fibrosis

Purpose: Different respiratory sampling methods exist to identify lower airway pathogens in patients with cystic fibrosis (CF), of which bronchoalveolar lavage (BAL), and expectorated sputum are ...
BMJ

Understanding preferences for self-sampling in a national cervical screening programme: a protocol for a discrete choice experiment

Introduction The National Health Service Cervical Screening Programme (NHSCSP) currently involves a healthcare professional collecting a cervical sample in a healthcare setting. This method of ...
IEEE

Qualitative Forest Inventory in Eucalyptus Plantations Using Unmanned Aerial Vehicles, Multispectral Sensors, and Deep Learning

Abstract: Forest inventory is an important activity for planning and decision-making in forest management. It is usually carried out in the field using different sampling methods and processes, which ...
C&EN

Toward an Event-Based and Quality-Assured Air Sampling: A Portable System for Sensing and Sampling Volatile Organic Compounds

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Sensors for monitoring volatile organic compounds are commonly employed for air ...
IEEE

Time-Symmetric Sampling to Eliminate Pulse-Width-Modulation Delay in Digital Controlled Three-Phase Inverter

Abstract: In this article, a time-symmetric sampling method is proposed to eliminate the pulse-width-modulation (PWM) delay in digital PWM (DPWM) inverters. To attain this objective, an analysis of ...
chromatographyonline

Microplastics in Wastewater and Sludge: Challenges in Sampling, Detection, and Standardization

LCGC International spoke to Damià Barceló at the University of Almeria to explore the technical and methodological barriers to microplastic analysis in complex environmental matrices. Microplastic ...
Cochrane

How accurate are different types of sample collection for diagnosing COVID-19 infection?

• When used with RT-PCR tests (a molecular test that detects genetic material in COVID-19 using a technique called reverse transcription polymerase chain reaction), self-collected gargle and deep ...
AgWeb

Soil Analysis for Farming: How to Collect a Soil Sample and Interpret Results

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...