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This paper investigates rural informatization policies in China using a bibliometric method. Co-wording, social networks, and citation analyses were used to research issue dates, content, issuing agencies and administrative impacts of policies. The results indicate that the number of rural informatization policies has significantly increased since 2006, and in three clusters in particular: information and communication infrastructure, information management and service, and information and agricultural technology, whereby the first cluster has been emphasized increasingly as the other two clusters are. Most policies were issued by a small number of agencies, and more agencies have come to participate in policy-making. The administrative impact of rural informatization policies is polarized. And the frequently cited policies focus on the development of science and technology and the construction of the new socialist countryside.

Background The combination of the internet and healthcare has excellent benefits and far-reaching positive effects in improving service efficiency and promoting social equity. The role of the “internet plus healthcare” (IPHC) has been recognized, especially during the COVID-19 pandemic. This new healthcare model is also familiar to people and shows a bright prospect. Objective This article seeks to accurately understand and fully grasp the characteristics of IPHC policies that can enlighten the formulation of future policies. Methods The content analysis method was used to analyze China’s IPHC policies collected from the Beida Fabao database and several official websites. Results We found that the development of IPHC policy has gone through 4 stages and is currently entering a phase of rapid development. IPHC policymakers are primarily health administrative departments. In addition, policy instruments are classified into either supply, environment, or demand, and policy themes can be summarized into 4 categories: facilities, technology, service, and management. Conclusions China’s IPHC policy has good prospects from the perspective of development trends. The health administrative departments mainly lead the development of China’s IPHC policy. It is suggested that these departments involve other stakeholders (ie, medical workers, medical industries, and technology sectors) in formulating policies. Policies prefer to use supply-based and environment-based policy instruments. The policy themes emphasize improving infrastructure construction and high-quality diagnostic and treatment services, strengthening the supporting role of information technology, and ensuring all stakeholders understand their responsibilities.

An electrochemical sensor for the quantification of o-nitrophenol (o-NP) has been developed based on the -cyclodextrin functionalized graphene nanosheets modified glassy carbon electrode (CD-GNs/GCE). The results indicated that CD-GNs showed good electrochemical behavior to the redox of o-NP which is attributed to the combination of the excellent properties of graphene and cyclodextrin. The peak currents possess a linear relationship with the concentration of o-NP in the range of 5-400 M. The detection limit of o-NP reached to 0.3 M on the basis of the signal-to-noise characteristics (S/N = 3). The peak potentials for the reversible redox waves are not affected by other nitrophenol isomers (m, p-NP), illustrating good selectivity. Furthermore, the developed electrochemical sensor exhibited good stability and reproducibility for the detection of o-NP and could be used to determine o-NP in real water sample.

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