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STORYTELLING, ELECTRONIC WORD OF MOUTH AND SOCIAL MEDIA— ON THE CHANGING COMMUNICATION LANDSCAPE
Christofer Laurell,Sten Söderman 글로벌지식마케팅경영학회 2016 Global Marketing Conference Vol.2016 No.7
This paper aims to explain how storytelling becomes interlinked with social media and the conceptual consequences this development implies. In recent years the interest in storytelling has increased within the marketing discipline. Parallel to this development, the traditional media landscape has been subjected to change as a result of digitization and particularly the expansion of social media. Even though the social nature of these media and its associated electronic word of mouth seem to be well aligned with storytelling, extant literature exhibits few attempts to review the storytelling concept in relation to social media. Based on such a review, the contribution of this paper is condensed into six theoretical propositions that point out how storytelling is expected to become increasingly common and dynamic in social media. Therefore, storytelling is suggested to represent a managerial challenge with regard to professional organizations’ marketing approaches but simultaneously allow for increased customer intimacy for those actors who develop successful ways of attracting the interest and engagement of social media users.
Sang Wook Lee,Thomas Laurell,정옥찬,김소연 한국바이오칩학회 2018 BioChip Journal Vol.12 No.1
A sol-gel-based reverse-phase microarray was developed with improved sensitivity for prostatespecific antigen (PSA) from serum. The pore-sizecontrolled 3D sol-gel matrix was created with a large surface area to capture target molecules densely. Using the optically active sol-gel nanocomposites, human female serum was spiked with PSA and assessed using the reverse-phase protein microarray. The reverse-phase assay exhibited a limit of detection of 1 pg/mL for PSA and a dynamic range of 103 orders of magnitude. Notably, the platform matched the demand of the immunoassay in a simple and feasible manner. Moreover, the platform shortened the total assay time with an increased accuracy of diagnosis.
Lee, S.,Hosokawa, K.,Kim, S.,Jeong, O. C.,Lilja, H.,Laurell, T.,Maeda, M. Springer Science + Business Media 2016 Mikrochimica acta Vol.183 No.12
<P>The authors have developed a porous silicon (P-Si) based duplex antibody microarray platform for simultaneous quantitation of the biomarkers prostate-specific antigen (PSA) and human glandular kallikrein 2 (hK2) in serum. Pore size-controlled P-Si surfaces have an extremely enlarged surface area that enables high-density immobilization of fluorescently labeled antibodies by physical adsorption. Automated microarraying of the antibodies provides a fast and reproducible duplex format of antibody arrays on the P-Si chips placed in the wells of a microtiter plate. The assay platform showed a 100 fg center dot mL(-1) limit of detection for both PSA and hK2, and a dynamic range that extends over five orders of magnitude. After optimization of the density of both capture antibodies, neither the PSA nor the hK2 array showed cross-sensitivity to non-target proteins or other plasma proteins. The microarray was evaluated by titration of PSA and hK2, respectively, in the same serum samples. In our perception, this highly sensitive and selective platform holds promise for improved detection of tumor markers in an early diagnostic stage, but also to monitor the recurrence of prostate cancer.</P>
Ahn, Ji-Young,Lee, SangWook,Jo, Minjoung,Kang, Jeehye,Kim, Eunkyung,Jeong, Ok Chan,Laurell, Thomas,Kim, Soyoun American Chemical Society 2012 ANALYTICAL CHEMISTRY - Vol.84 No.6
<P>This paper reports for the first time the application of sol-gel microarrays for immobilizing nonsoluble small chemicals (Bisphenol-A; BPA). Also, known problems of sol-gel adhesion to conventional microtiter well plate substrates are circumvented by anchoring the sol-gel microspots to a porous silion surface so-called, PS-SG chips. We confirmed low molecular weight chemical immobilization inside a sol-gel network using fluorescein. BPA and the BPA specific aptamer were utilized as a model pair to verify the affinity specific interaction in the PS-SG selection system. The aptamer interacted specifically with BPA in the sol-gel spots, as shown in microarrays forming the letters 'L', 'U', 'N', and 'D'. Moreover, the bound aptamer was released by heat, recovered, and verified by gel electrophoresis. The developed PS-SG chip platform will be used for screening aptamers against numerous small molecules such as toxins, metabolites, or pesticide residues.</P>