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A novel porphyrin-containing polyimide for memory devices

A novel porphyrin-containing polyimide for memory devices

Since the first polymer-based electronic memory device was reported by Sliva et al., in 1970, these devices have attracted significant attention. Polymer-based electronic memory has been developed for various applications, including to establish next generation memory devices. Conventional memory devices based on semiconductor integrated circuits play an important role in the development of information technology. Compared with these inorganic memory devices, polymer-based memory devices have se...

Silicon carbide micro-ring all-optical processor

Silicon carbide micro-ring all-optical processor

Silicon (Si) photonics are able to overcome the transmission degradation induced by the limited RC time constraint in electronic integrated circuits via electro-optical switching or all-optical processing. Si photonic components, including light sources1, waveguides2-3, and photodiodes, have been developed to construct all-optical transmission platforms on a chip. When considering the optical processing, optical excitation or electrical injection can change the absorbance and refractive index or...

Hepatitis C viral infection increases the risk of lymphoid neoplasms

Hepatitis C viral infection increases the risk of lymphoid neoplasms

Chronic hepatitis C virus (HCV) infection is a global health problem, with an estimated 185 million chronic hepatitis C patients worldwide and approximately 0.7 million such patients in Taiwan. In addition to increased liver-related complications, such as cirrhosis and hepatocellular carcinoma, HCV infection is also associated with many extra-hepatic manifestations, including cardiovascular, renal, metabolic and central nervous system diseases. Previous epidemiological studies have suggested ...

Real-time in vivo 3D fluorescence sectioning microscopy

Real-time in vivo 3D fluorescence sectioning microscopy

Wide-field fluorescence microscopy is an imaging technique commonly used by researchers and clinicians for investigating rapid biological events occurring in live samples. However, standard wide-field microscopes lack the optical sectioning capabilities that would enable the capture of only in-focus information. Out-of-focus light and optical system aberrations lead to blurred images, limiting the use of conventional wide-field fluorescence microscopy in resolving volumetric biological samples. ...

Statins and the risk of pancreatic cancer in diabetic patients

Statins and the risk of pancreatic cancer in diabetic patients

Pancreatic cancer is the fourth leading cause of cancer deaths in the United States. Only approximately 15% to 20% of pancreatic cancer patients are diagnosed early enough to be eligible for surgery. The 1- and 5-year survival rates for all stages of pancreatic cancer combined are 20% and 6%, respectively. The low survival rate of patients with pancreatic cancer suggests a need for better treatment, early detection and improved chemoprevention strategies. Statins, which are inhibitors of 3-hydro...

Mediating analysis of the relationship between obesity and childhood asthma

Mediating analysis of the relationship between obesity and childhood asthma

Obesity and asthma are two significant public health problems with increasing prevalence during childhood. Prospective studies have suggested that obesity precedes the development of asthma. Several possible mechanisms have been postulated to explain this relationship, including an obesity-related reduction in lung volume, inflammatory mediators, obesity-related changes in hormone levels, and dyslipidemia. Based on our baseline Taiwan Children Health Study (TCHS) cohorts, we performed prospectiv...

The effects of pay-for-performance programs for diabetes care in Taiwan

The effects of pay-for-performance programs for diabetes care in Taiwan

Along with the economic growth and innovation in medicine, the increase in the number of patients with chronic conditions and multiple chronic conditions (MCCs) has become a challenge for health care systems worldwide. Diabetes mellitus is a chronic condition that is prevalent in Taiwan and many other industrialized nations. The clinical and economic consequences of diabetes, such as kidney dysfunction and dialysis, are burdensome. Taiwan implemented a single-payer National Health Insurance (...

Risk of hepatitis B virus-induced hepatocellular carcinoma: the influence of the progressive accumulation of viral mutations during chronic infection

Risk of hepatitis B virus-induced hepatocellular carcinoma: the influence of the progressive accumulation of viral mutations during chronic infection

NTU long-term follow-up study used viral whole-genome sequencing to identify a temporal mutation profile that can indicate which patients with HBV will develop HCCChronic hepatitis B virus (HBV) infection is a major cause of hepatocellular carcinoma (HCC), accounting for approximately 50% of global HCC cases; the greatest burden of HBV-induced HCC is found in Southeast Asia. Although chronic carriers of HBV have a 20-fold increase in HCC risk, rates of progression to HCC differ substantially amo...

Introduction to climate change Governance and Law

Introduction to climate change Governance and Law

From the Kyoto Protocol to the Paris Agreement: Climate Change 2.0 The year 2016 saw two surprising events in the world of climate change governance. First, the Paris Agreement was ratified by more than 55 state parties, which together account for more than 55% of the world’s greenhouse gas emissions, on October 5, and it officially became effective on November 4. Second, Donald Trump, a climate change skeptic, was elected as President of the United States, one of the largest greenhouse gas-e...

The barriers and challenges of urban climate governance in Taiwan: a multilevel governance perspective

The barriers and challenges of urban climate governance in Taiwan: a multilevel governance perspective

The Role of Cities in Climate Governance Urban climate governance has become a vital aspect of contemporary global governance. In 1976, when the United Nations held the first UN-Habitat in Vancouver, Canada, two-thirds of the world population was concentrated in rural areas. Now, forty years later, half of the world population lives in cities, and fast-paced urbanization has created grand challenges for urban governance systems. Since the industrial revolution, developing economic and social ...