This article emphasizes the importance of science communication in context of new media. A brief summary is offered of some particular posture of scientific journalism from within new media. With the above background,...This article emphasizes the importance of science communication in context of new media. A brief summary is offered of some particular posture of scientific journalism from within new media. With the above background, four priorities for future science communication in context of new media are introduced： （1） a brief description about the actual status of science communication within the new media and mass communication process in general; （2） a solid theoretical and conceptual frame for scientific journalism within new media context; （3） a description of some possible forms of public for scientific journalism; （4） a brief analysis upon the possible set of negative effects of scientific journalism in new media and globalization context, and a need for a larger perspective in any attempt to understand the phenomenon of science communication within new media and mass communication processes.展开更多
Fluorescent dye （YOYO-I） intercalated with single DNA molecules were investigated via bindingactivated localization microscopy （BALM） at sub-diffraction limit resolutions. Various dye-to-DNA base pair （bp） ratio...Fluorescent dye （YOYO-I） intercalated with single DNA molecules were investigated via bindingactivated localization microscopy （BALM） at sub-diffraction limit resolutions. Various dye-to-DNA base pair （bp） ratios were imaged using the blinking property of YOYO-1 dye under optimum BALM switching buffer conditions. Individual DNA molecules exhibited regular/irregular intercalating phenomena with respect to dye-to-DNA bp ratio. The acquired images were reconstructed into super-resolution images by applying a Gaussian fit to the centroid of the point spread function. The YOYO-1 intercalated with λ-DNA possessed a non-homogeneous region due to the different binding modes of YOYO-1 with λ-DNA. Each binding mode was imaged at the sub-diffraction limit super-resolution. The distance between homogenously localized intercalating dyes within the DNA molecules was measured to be 34nm （n= 10; dye：DNAbp= 1：100） without photocleavage in 50mmol/L β-mercaptoethylamine buffer. The results were similar to those of the theoretical values without photocleavage in the base pairs of single DNA molecules below the diffraction limit. The results paved the way for an in-depth microscopic analysis of molecular variation with single λ-DNA molecules. With this method, it should be possible to analyze the exact base pair breakdown during various stages of cell apoptosis.展开更多
基金This article is supported by Major Program of National Social Science Foundation of China （Grant NO. 14bxw011）, named ＂Evaluation Indicators System for Ecological Communication of Science and Technology in China under the Condition of New Media＂.
文摘This article emphasizes the importance of science communication in context of new media. A brief summary is offered of some particular posture of scientific journalism from within new media. With the above background, four priorities for future science communication in context of new media are introduced： （1） a brief description about the actual status of science communication within the new media and mass communication process in general; （2） a solid theoretical and conceptual frame for scientific journalism within new media context; （3） a description of some possible forms of public for scientific journalism; （4） a brief analysis upon the possible set of negative effects of scientific journalism in new media and globalization context, and a need for a larger perspective in any attempt to understand the phenomenon of science communication within new media and mass communication processes.
基金supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science, and Technology(No. 2015R1A2A2A01003839)
文摘Fluorescent dye （YOYO-I） intercalated with single DNA molecules were investigated via bindingactivated localization microscopy （BALM） at sub-diffraction limit resolutions. Various dye-to-DNA base pair （bp） ratios were imaged using the blinking property of YOYO-1 dye under optimum BALM switching buffer conditions. Individual DNA molecules exhibited regular/irregular intercalating phenomena with respect to dye-to-DNA bp ratio. The acquired images were reconstructed into super-resolution images by applying a Gaussian fit to the centroid of the point spread function. The YOYO-1 intercalated with λ-DNA possessed a non-homogeneous region due to the different binding modes of YOYO-1 with λ-DNA. Each binding mode was imaged at the sub-diffraction limit super-resolution. The distance between homogenously localized intercalating dyes within the DNA molecules was measured to be 34nm （n= 10; dye：DNAbp= 1：100） without photocleavage in 50mmol/L β-mercaptoethylamine buffer. The results were similar to those of the theoretical values without photocleavage in the base pairs of single DNA molecules below the diffraction limit. The results paved the way for an in-depth microscopic analysis of molecular variation with single λ-DNA molecules. With this method, it should be possible to analyze the exact base pair breakdown during various stages of cell apoptosis.
