Results 21 to 30 of about 87,533,281 (233)

Sample–to-answer sensing technologies for nucleic acid preparation and detection in the field

open access: yesSLAS Technology, 2023
Efficient sample preparation and accurate disease diagnosis under field conditions are of great importance for the early intervention of diseases in humans, animals, and plants.
Chia-Wei Liu, Hideaki Tsutsui
doaj   +1 more source

Secure Air Traffic Control at the Hub of Multiplexing on the Centrifugo-Pneumatic Lab-on-a-Disc Platform

open access: yesMicromachines, 2021
Fluidic larger-scale integration (LSI) resides at the heart of comprehensive sample-to-answer automation and parallelization of assay panels for frequent and ubiquitous bioanalytical testing in decentralized point-of-use/point-of-care settings.
Jens Ducrée
doaj   +1 more source

Early monitoring‐to‐warning Internet of Things system for emerging infectious diseases via networking of light‐triggered point‐of‐care testing devices

open access: yesExploration, 2023
Early monitoring and warning arrangements are effective ways to distinguish infectious agents and control the spread of epidemic diseases. Current testing technologies, which cannot achieve rapid detection in the field, have a risk of slowing down the ...
Yu Fu   +13 more
doaj   +1 more source

An Aptamer-Array-Based Sample-to-Answer Biosensor for Ochratoxin A Detection via Fluorescence Resonance Energy Transfer

open access: yesChemosensors, 2021
Food toxins are a hidden threat that can cause cancer and tremendously impact human health. Therefore, the detection of food toxins in a timely manner with high sensitivity is of paramount importance for public health and food safety.
Yongning Li   +11 more
doaj   +1 more source

Development of a portable DNA extraction and cross-priming amplification (CPA) tool for rapid in-situ visual diagnosis of plant diseases

open access: yesPhytopathology Research, 2023
Plant pathogens cause severe losses to crop yields and economic returns in agriculture. Despite plant tissue DNA extraction of typically constituting a preliminary step in nucleic acid-based molecular diagnostics, such lab-based methods can be time ...
Jie Li   +10 more
doaj   +1 more source

Sample Preparation-Quo Vadis [PDF]

open access: yes, 2022
Sample preparation is and will always be the most important step in chemical analysis. Numerous techniques, methods, methodologies, and approaches are published in the literature offering a wide range of analytical tools to the lab practitioner ...

core   +2 more sources

Evaluation of the Alinity m Resp-4-Plex Assay for the Detection of Severe Acute Respiratory Syndrome Coronavirus 2, Influenza A Virus, Influenza B Virus, and Respiratory Syncytial Virus

open access: yesMicrobiology Spectrum, 2022
The rapid emergence of the coronavirus disease 2019 (COVID-19) pandemic has introduced a new challenge in diagnosing and differentiating respiratory infections.
Wei Zhen   +5 more
doaj   +1 more source

Efficient question answering with question decomposition and multiple answer streams [PDF]

open access: yes, 2009
The German question answering (QA) system IRSAW (formerly: InSicht) participated in QA@CLEF for the fth time. IRSAW was introduced in 2007 by integrating the deep answer producer InSicht, several shallow answer producers, and a logical validator ...
Glöckner, Ingo   +5 more
core   +2 more sources

Answer counting under guarded TGDs

open access: yes, 2021
We study the complexity of answer counting for ontology-mediated queries and for querying under constraints, considering conjunctive queries and unions thereof (UCQs) as the query language and guarded TGDs as the ontology and constraint language ...
Feier, Cristina   +2 more
core   +1 more source

Thematic analysis in social media influencers: who are they following and why?

open access: yesFrontiers in Communication, 2023
The focus of this study is to holistically analyse the influence of social media influencers' content on young people's lives in Ireland. To address this main objective, this study aimed to answer the following research question: Who are the five ...
Charles Alves de Castro
doaj   +1 more source

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