Results 31 to 40 of about 5,589,910 (303)

Comparison of different samples for 2019 novel coronavirus detection by nucleic acid amplification tests

open access: yesInternational Journal of Infectious Diseases, 2020
An ongoing outbreak of severe respiratory pneumonia associated with the 2019 novel coronavirus has recently emerged in China. Here we report the epidemiological, clinical, laboratory and radiological characteristics of 19 suspect cases.
Chunbao Xie   +14 more
doaj   +1 more source

Nucleic Acid Carriers Based on Precise Polymer Conjugates [PDF]

open access: yes, 2011
Polymer polydispersity, random conjugation of functional groups, and poorly understood structure–activity relationships have constantly hampered progress in the development of nucleic acid carriers.
Christina Troiber   +3 more
core   +1 more source

Analysis of Laboratory Proficiency Testing Results on the Detection of Porcine Parvovirus Nucleic Acid

open access: yesShiyan dongwu yu bijiao yixue, 2022
ObjectiveTo understand the testing level of the relevant laboratories and standardize the detection of porcine parvovirus (PPV) nucleic acid by implementing laboratory proficiency testing plan of the PPV nucleic acid testing.MethodsFrom January to August
LI Xiaobo   +8 more
doaj   +1 more source

Design, synthesis, conformational analysis and nucleic acid hybridisation properties of thymidyl pyrrolidine-amide oligonucleotide mimics (POM) [PDF]

open access: yes, 2003
Pyrrolidine-amide oligonucleotide mimics (POM) 1 were designed to be stereochemically and conformationally similar to natural nucleic acids, but with an oppositely charged, cationic backbone.
Tan, T. H. Samuel   +14 more
core   +1 more source

CRISPR-based nucleic acid diagnostics for pathogens [PDF]

open access: yes, 2022
Pathogenic infections remain the primary threat for human health, especially the global COVID-19 pandemic. It is important to develop rapid, sensitive and multiplexed tools for detecting pathogens and their mutations, particularly the tailor-made ...
Yong, Zhang   +5 more
core   +1 more source

Research progress of triplex nucleic acid in food safety detection

open access: yesShipin yu jixie, 2022
This paper reviews the structure and stability of triplex nucleic acid, the progress of triplex nucleic acid-based fluorescence, electrochemical, colorimetric platform in detecting food borne hazards, and discusses the challenges and future development ...
SUN Hai-yan   +3 more
doaj   +1 more source

Miniaturized microfluidic-based nucleic acid analyzer to identify new biomarkers of biopsy lung cancer samples for subtyping

open access: yesFrontiers in Chemistry, 2022
Identifying new biomarkers is necessary and important to diagnose and treat malignant lung cancer. However, existing protein marker detection methods usually require complex operation steps, leading to a lag time for diagnosis.
Xue Lin   +17 more
doaj   +1 more source

Differential susceptibility of PCR reactions to inhibitors: an important and unrecognised phenomenon [PDF]

open access: yes, 2008
PCR inhibition by nucleic acid extracts is a well known yet poorly described phenomenon. Inhibition assessment generally depends on the assumption that inhibitors affect all PCR reactions to the same extent; i.e.
Miller Robert F   +20 more
core   +1 more source

Berberine, a Natural Compound That Demonstrates Antiviral Effects Against Ostreid Herpesvirus 1 Infection in Anadara broughtonii

open access: yesViruses
Ostreid herpesvirus 1 (OsHV-1) infection is the primary viral disease responsible for large-scale mortality in bivalve mollusks worldwide, and effective strategies to control the outbreaks of this disease are still lacking.
Hui-Gang Kang   +7 more
doaj   +1 more source

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