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Algorithm for optimized mRNA design improves stability and immunogenicity
2023-12-14Messenger RNA (mRNA) vaccines are being used to combat the spread of COVID-19(refs. 1–3), but they still exhibit critical limitations caused by mRNA instability and degradation, which are major obstacles for the storage, distribution and efficacy of the vaccine products4. Increasing secondary structure lengthens mRNA half-life, which, together with optimal codons, improves protein expression5.
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The Rapid Detection of Salmonella enterica, Listeria monocytogenes, and Staphylococcus aureus
2023-10-25The PCR-CE method developed in this study may help monitor food safety in the future. It may also be extended to identify other foodborne pathogens across a wide range of food samples.
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Direct SARS-CoV-2 Detection System Utilizing Simple-to-Use Capillary Gel Electrophoresis
2022-11-08We present a Direct SARS-CoV-2 Detection System that achieves sample-to-results in less than two hours in three simple steps. The Detection System includes Direct one-step Reverse Transcription PCR (RT-PCR) reagents (Qexp-MDx kit), a portable thermal cycler (Qamp-mini) with a pre-programmed chip, and a simple-to-use Capillary Gel Electrophoresis system (Qsep Series Bio-Fragment Analyzer) with high fluorescence detection sensitivity to solve the problems associated with traditional real-time PCR (qPCR) systems which produce inaccurate test results with high false negative and false positive rates. The proposed simple-to-use detection platform can provide high detection sensitivity (identify less than 20 copies), fast results (less than 120 minutes), and cost-effective results which should be suitable for decentralized testing applications of COVID-19.
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High MTHFR promoter methylation levels in men confer protection against ischemic stroke
2020-04-29The MTHFR gene encodes methylenetetrahydrofolate reductase required for the metabolism of homocysteine (Hcy) – a previously reported independent risk factor for ischemic stroke (IS). In this study, we first aimed to clarify the association between DNA methylation leve
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Simultaneous Identification of 6 Pathogens Causing Porcine Reproductive Failure by Using Multiplex
2020-04-18 -
Oxygen-glucose deprivation and reoxygenation on human cerebral organoids alters expression related
2020-04-01Ischemic stroke is one of the most common neurological disease. However, the impact of ischemic stroke on human cerebral tissue remains largely unknown; due to a lack of ischemic human brain samples. In this study, we used cerebral organoids derived from human induced pluripotent stem cells to eva