Results 21 to 30 of about 78,833 (285)

Simple system for isothermal DNA amplification coupled to lateral flow detection. [PDF]

open access: yesPLoS ONE, 2013
Infectious disease diagnosis in point-of-care settings can be greatly improved through integrated, automated nucleic acid testing devices. We have developed an early prototype for a low-cost system which executes isothermal DNA amplification coupled to ...
Kristina Roskos   +6 more
doaj   +1 more source

Novel immuno-nucleic acid cooperative detection technology for food safety

open access: yesFood and Agricultural Immunology, 2020
The establishment of nucleic acid amplification technology and functional nucleic acid aptamers promote the development of detection techniques. In particular, the detection displayed promise for broader application, as well as improved specificity ad ...
Xinyue Lan, Longjiao Zhu, Wentao Xu
doaj   +1 more source

Advanced CRISPR-Cas Effector Enzyme-Based Diagnostics for Infectious Diseases, Including COVID-19

open access: yesLife, 2021
Rapid and precise diagnostic tests can prevent the spread of diseases, including worldwide pandemics. Current commonly used diagnostic methods include nucleic-acid-amplification-based detection methods and immunoassays.
Sangha Kwon, Ha Youn Shin
doaj   +1 more source

Recent molecular techniques for the diagnosis of Zika and Chikungunya infections: A systematic review

open access: yesHeliyon, 2022
Zika virus (ZIKV) and Chikungunya virus (CHIKV) are arboviruses that cause important viral diseases affecting the world population. Both viruses can produce remarkably similar clinical manifestations, co-circulate in a geographic region, and coinfections
María C. Cardona-Trujillo   +4 more
doaj   +1 more source

Low-Cost 3D Printers Enable High-Quality and Automated Sample Preparation and Molecular Detection. [PDF]

open access: yesPLoS ONE, 2016
Most molecular diagnostic assays require upfront sample preparation steps to isolate the target's nucleic acids, followed by its amplification and detection using various nucleic acid amplification techniques.
Kamfai Chan   +8 more
doaj   +1 more source

Recent Improvements in CRISPR-Based Amplification-Free Pathogen Detection

open access: yesFrontiers in Microbiology, 2021
Molecular diagnostic (MDx) methods directly detect target nucleic acid sequences and are therefore an important approach for precise diagnosis of pathogen infection. In comparison with traditional MDx techniques such as PCR, the recently developed CRISPR-
Jian Zhang   +9 more
doaj   +1 more source

Clinical features of NAAT-positive, toxin-negative Clostridioides difficile infections in South Korea [PDF]

open access: yesThe Korean Journal of Internal Medicine
Background/Aims The clinical characteristics of Clostridioides difficile infection (CDI) in patients within the Asia-Pacific region who test positive on the nucleic acid amplification test (NAAT) and negative on the toxin enzyme immunoassay (EIA ...
In Hyoung Choi   +3 more
doaj   +1 more source

Recent advances and perspectives of nucleic acid detection for coronavirus

open access: yesJournal of Pharmaceutical Analysis, 2020
The recent pneumonia outbreak caused by a novel coronavirus (SARS-CoV-2) is posing a great threat to global public health. Therefore, rapid and accurate identification of pathogenic viruses plays a vital role in selecting appropriate treatments, saving ...
Minzhe Shen   +6 more
doaj   +1 more source

Prospects of Microfluidic Technology in Nucleic Acid Detection Approaches

open access: yesBiosensors, 2023
Conventional diagnostic techniques are based on the utilization of analyte sampling, sensing and signaling on separate platforms for detection purposes, which must be integrated to a single step procedure in point of care (POC) testing devices.
Zilwa Mumtaz   +6 more
doaj   +1 more source

The Application of Hybridization Chain Reaction in the Detection of Foodborne Pathogens

open access: yesFoods, 2023
Today, with the globalization of the food trade progressing, food safety continues to warrant widespread attention. Foodborne diseases caused by contaminated food, including foodborne pathogens, seriously threaten public health and the economy.
Jinbin Zhao   +7 more
doaj   +1 more source

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