Abstract Background Betaine, an osmoprotective compatible solute, has been used to improve l-threonine production in engineered Escherichia coli l-threonine producer.Betaine supplementation upregulates the expression of zwf encoding glucose-6-phosphate dehydrogenase, leading to the increase of NADPH, which is beneficial for l-threonine production.I
Wavelet-Domain Information-Hiding Technology with High-Quality Audio Signals on MEMS Sensors
Due to the rapid development of sensor technology and the popularity of the Internet, not only has the Sieve amount of digital information transmission skyrocketed, but also its acquisition and dissemination has become easier.The study mainly investigates audio security issues with data compression for private data transmission on the Internet or M
Social distancing and dangers of access block to health care services during COVID-19 pandemic
An outbreak of the novel coronavirus (COVID-19) that started in Wuhan, China, has spread quickly, with cases confirmed in 180 countries with broad impact on all health care systems.Currently, the absence of a COVID-19 vaccine or any definitive medication has led to increased use of non-pharmaceutical interventions, aimed at reducing contact rates i