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- Lakens, Daniel, et al.
(författare)
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Justify your alpha
- 2018
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Ingår i: Nature Human Behaviour. - : Nature Publishing Group. - 2397-3374. ; 2:3, s. 168-171
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Tidskriftsartikel (refereegranskat)abstract
- In response to recommendations to redefine statistical significance to P ≤ 0.005, we propose that researchers should transparently report and justify all choices they make when designing a study, including the alpha level.
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- Orban, Jenny, et al.
(författare)
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Surface nanoengineered contact lens as a wearable point-of-care diagnostics platform
- 2014
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Ingår i: 24<sup>th </sup>Anniversary World Congress on Biosensors – Biosensors 2014. - : Elsevier.
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Detection of biomarkers is essential for disease prevention, diagnosis, and prognosis of early stage treatment. Ocular fluid is an extracellular fluid excreted from the tear gland. Several important markers from ocular fluid have been identified having significant clinical diagnostic value for various diseases. The contact lens is disposable, relatively cheap and serves as a platform to obtain direct intimate contact with ocular fluid and is therefore an attractive and a promising platform for point-of-care diagnostic tests. Here, we present an innovative concept of a wearable contact lens biosensor with nanoengineered biorecognition architecture based on a Layer-by-Layer (LbL) technique on the contact lens surface. This technique enables us to deposit multiple layers of biomolecules to create biorecognition layer under a mild aqueous physiological temperature and pH conditions. The fabrication of the biorecognition layer is simply through physical adsorption and has no restrictions with respect to the substrate size and topology (i.e. contact lens). The thickness of the resulting biorecognition layer is only hundreds of nanometers, and hence has minimal influence on the overall thickness of the contact lens, thus preserving the optical properties of the contact lens for vision correction. We have demonstrated that eye inflammation biomarkers such as interleukin (IL) can be captured in vitro with the contact lens, thus facilitating colorimetric affinity bioassays to measure the amount of interleukin. An in vitro ocular model composed of hydrogel-based artificial cornea and microfluidics was developed to study the performance of the contact lens biosensing platform. The contact platform was able to detect IL-1α down to the physiological concentration, which is in the range of pg mL-1. There is a recent trend away from handheld devices towards wearable systems, illustrated by popular technology such as “Google glasses” and the “i-Watch”. We believe that the concept of wearable diagnostics holds significant promise as the next generation point-of-care diagnostic platform and that this contact lens-based approach is a convenient platform for a number of important applications.
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- Thienel, Manuela, et al.
(författare)
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Immobility-associated thromboprotection is conserved across mammalian species from bear to human
- 2023
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Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 380:6641, s. 178-187
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Tidskriftsartikel (refereegranskat)abstract
- Venous thromboembolism (VTE) comprising deep venous thrombosis and pulmonary embolism is a major cause of morbidity and mortality. Short-term immobility-related conditions are a major risk factor for the development of VTE. Paradoxically, long-term immobilized free-ranging hibernating brown bears and paralyzed spinal cord injury (SCI) patients are protected from VTE. We aimed to identify mechanisms of immobility-associated VTE protection in a cross-species approach. Mass spectrometry-based proteomics revealed an antithrombotic signature in platelets of hibernating brown bears with heat shock protein 47 (HSP47) as the most substantially reduced protein. HSP47 down-regulation or ablation attenuated immune cell activation and neutrophil extracellular trap formation, contributing to thromboprotection in bears, SCI patients, and mice. This cross-species conserved platelet signature may give rise to antithrombotic therapeutics and prognostic markers beyond immobility-associated VTE.
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