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This report describes the electrochemical detection of a redox component in droplets using a local redox cycling-based electrochemical (LRC-EC) chip device consisting of 256 sensors. The time-course analyses showed that the redox compound in the droplet was dynamically changed during droplet evaporation or mass transfer through a water/oil interface.
Myocardial fibrosis in patients with hypertrophic cardiomyopathy (HCM) may play an important role in the function and/or dimensions of the left ventricle. We present an autopsied case of HCM followed for 10 years. A 68-year-woman with HCM underwent trans-aortic myectomy of the interventricular septum in 1979. A significant amount of round cell infiltration,… (More)
A large scale integration (LSI)-based amperometric sensor is used for electrochemical evaluation and real-time monitoring of the alkaline phosphatase (ALP) activity of mouse embryoid bodies (EBs). EBs were prepared by the hanging drop culture of embryonic stem (ES) cells. The ALP activity of EBs with various sizes was electrochemically detected at 400… (More)
Alkaline phosphatase (ALP) is an enzyme commonly used as an undifferentiated marker of embryonic stem cells (ESCs). Although noninvasive ALP detection has long been desired for stem cell research and in cell transplantation therapy, little progress has been made in developing such techniques. In this study, we propose a noninvasive evaluation method for… (More)
We analysed the gene of the human alpha-subunit of liver phosphorylase kinase (PHKA2) in four Japanese families with X-linked liver phosphorylase kinase deficiency type 1 by RT-PCR followed by PCR-single-strand conformation polymorphism and direct DNA sequencing. In this study, two novel mutations (Y116D and 2675A-->G) and one mutation previously reported… (More)