Hydrogen peroxide (H 2 O 2 ) is well-known oxidizing, bleaching agent and also one of the significant by-products of diverse regulating biological processes. It has been recognized as a threat in the progression of atherosclerosis, renal disease, ageing and other diseases. Hence, determination of H 2 O 2 in trace levels in biological samples is of great importance. This article briefly reviews the electrochemical detection method for hydrogen peroxide sensing, including the nanomaterial based enzyme-containing and non-enzymatic biosensor. The biosensor can achieve microscopic detection of hydrogen peroxide. It also discusses the performance and future prospects of the electrochemical H 2 O 2 biosensor.
Abstract. In this paper, the curriculum system of embedded specialty in higher vocational colleges is designed by the “five-step” method of design thinking. Based on a thorough investigation of the market demand for embedded talents and the software and hardware platforms adopted by embedded developers, combined with the characteristics of higher vocational education and the professional foundation of Higher Vocational students, this paper puts forward that STM32 platform should be used as the basis of learning fragmentation of STM32 in the teaching of embedded specialty in higher vocational colleges. Through learning each module of STM32, we can master CAD, sensor technology, wireless control technology and bus technology. The implementation results were evaluated by the “three-evaluation” method—rationality, feasibility and survivability. The evaluation results show that after the implementation of the design thinking in the professional curriculum design, the students' professional counterpart rate has been greatly increased, and the students' award-winning coverage in the professional skills competition has exceeded 25%, and the overall teaching quality has been significantly improved.
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