Editorial journal inauguration—npj Biosensing
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Photovoltaic bioelectronics merging biology with new generation semiconductors and light in biophotovoltaics photobiomodulation and biosensing
This review covers advancements in biosensing, biophotovoltaics, and photobiomodulation, focusing on the synergistic use of light, biomaterials, cells or tissues, interfaced with photosensitive dye-sensitized, perovskite, and conjugated polymer organic semiconductors or nanoparticles. Integration of semiconductor and biological systems, using non-invasive light-probes or -stimuli for both sensing and controlling biological behavior, has led to groundbreaking applications like artificial retinas. From fusion of photovoltaics and biology, a new research field emerges: photovoltaic bioelectronics.
Toward change in the uneven geographies of urban knowledge production
More than four-fifths of the global urban population live in the Global South and East. Most urban theories, however, originate in the Global North. Building on recent efforts to address this mismatch, this paper examines the geographies of urban knowledge production. It analyzes the institutional affiliations of contributions in 25 leading Anglophone journals (n = 14,582) and nine urban handbooks (n = 252). We show that 42% of the journal articles and 17% of the handbook chapters were authored outside the Global North. However, only 15% of the editor positions (handbooks: 10%) were held by scholars based outside the Global North. This indicates that Global Northern institutions still dominate knowledge gatekeeping, whereas authors are more diverse. Additionally, more empirical journals and those with fewer Northern board members tend to publish more non-Northern authors. Our findings underscore the need for greater epistemic diversity in gatekeeping positions and broader understandings of what counts as theory to better incorporate diverse urban knowledge.
Editorial: Breaking the silence – the launch of npj Acoustics
Introduction Sound “is one of the subtilest pieces of nature” wrote Francis Bacon in his Sylva Sylvarum in 16271. More than two centuries later Hermann…
Biomolecule sensors based on organic electrochemical transistors
Biosensors based on organic electrochemical transistors (OECTs) have been a research highlight in recent years owing to their remarkable biocompatibility, low operating voltage, and substantial signal amplification capability. Especially, as an emerging fundamental device for biosensing, OECTs show great potential for pH, ions, molecules, and biomarker sensing. This review highlights the research progress of biomolecule sensors based on OECTs, focusing on recent publications in the past 5 years. Specifically, OECT-based biomolecule sensors for small molecules (glucose, dopamine, lactate, etc. that act as signals or effectors), and macromolecules (DNA, RNA, proteins, etc. that are often used as markers in physiology and medicine), are summarized. Additionally, emerging technologies and materials used to enhance sensitivity, detection limits, and detection ranges are described comprehensively. Last, aspects of OECT-based biomolecule sensors that need further improvement are discussed along with future opportunities and challenges.
Affiliation around tensions: strategies for aligning with putative readers through counter-expectation resources in media editorials
One important feature of newspaper editorials concerns the presentation of opposing values towards one ideational entity. This study aims to explore affiliation around contrasting values in media discourse, with a particular focus on the role of counter-expectation resources in dynamically managing these values and creating ambient affiliation between writers and putative readers. The analyses were undertaken with reference to the discourse semantic systems of ideation and appraisal in systemic functional linguistics. Based on close qualitative analysis of a corpus of editorials collected from The Australian, this study identified four recurrent rhetorical strategies used to override positive assessments of the Labor Party. The analysis develops the affiliation framework by exploring alignment around opposing values and provides guidelines for widening the study of persuasion in media discourse by focusing on the rhetorical functions of counter-expectation resources.
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