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1.
An innovative approach to near-infrared spectroscopy using a standard mobile device and its clinical application in the real-time visualization of peripheral veins
Simon Jurič, Borut Žalik, 2014, izvirni znanstveni članek

Opis: Background: Excessive venipunctures are a significant problem both in emergency rooms and during hospital stays. Near-infrared (NIR) illumination devices improve venipuncture success rate but their usage is limited by their availability and economic cost. The objectives of this study were to develop a low-cost NIR spectroscopy prototype from a standard mobile device, to evaluate its efficacy and acceptance as an educational tool, and in a clinical setting. Methods: Through a user-centric design process a prototype device was developed. Its educational efficacy was evaluated through a non-invasive, observational study (20 student clinicians, 25 subjects) and its acceptance was assessed using quantitative and qualitative analysis. A smaller clinical trial was performed by a group of 4 medical professionals over a period of 6 weeks that involved 64 patients. Results: The prototype enables real-time visualization of peripheral veins on a variety of Android-based devices. The prototype was 35.2% more successful in visualizing and locating veins (n = 500 attempts) than the nursing students. The acceptance assessment revealed high perception of usefulness, satisfaction, and ease of use. In the clinical trial, 1.6 (SD 1.3) additional veins per patient were identified compared with the traditional visualization methods. Conclusions: To the best of our knowledge this is the first study that describes the design, feasibility and application of an NIR spectroscopy prototype developed on a standard mobile device.
Ključne besede: mobile applications, spectroscopy, near-infrared, NIRS, vascular access devices, health education, feasibility
Objavljeno: 29.06.2017; Ogledov: 521; Prenosov: 242
.pdf Celotno besedilo (2,32 MB)
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2.
Mobile wallets' business models
Uschi Buchinger, Heritiana Ranaivoson, Pieter Ballon, 2015, izvirni znanstveni članek

Opis: Background and Purpose: Though Mobile Wallets have the potential to entirely substitute their physical predecessor, many Mobile Wallets narrow their operations to one particular feature. This might be because of strategic business- model design choices to position themselves strategically as intermediates between users and business partners (third parties) in more delimited markets. Thus, Mobile Wallet Applications (MWAs) often represent platforms in narrow two-sided market structures. Design/Methodology/Approach: The paper focuses on the economics of such platforms by the means of a business model analysis. It examines how business partners are integrated in four MWAs’ strategies: Key Ring, FidMe, Apple Passbook and Qustomer. Results: The paper shows that MWAs strive to incorporate not only a large quantity of partners but also such with a high brand value (quality of partners) in their organization design. These partners shape their service design since none of the platforms offer products or services themselves. Hence, MWAs are dependent on the third parties’ capacity and willingness to fulfill engagements and meet the customer demands. Conclusion: MWAs - though concerned with the inclusion and management of loyalty points and schemes - do not leverage the possibility to generate revenue via third parties’ loyalty points. Theoretically, MWAs could reward or redeem loyalty points themselves.
Ključne besede: mobile wallets, mobile wallet applications, loyalty schemes, business models, two-sided markets
Objavljeno: 04.12.2017; Ogledov: 498; Prenosov: 49
.pdf Celotno besedilo (584,86 KB)
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