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| http://dx.doi.org/10.1021/acs.biomac.1c01529 | DOI Listing |
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Photothermal spectroscopy on-chip sensor for the measurement of a PMMA film using a silicon nitride micro-ring resonator and an external cavity quantum cascade laser.
Nanophotonics
May 2024
Centre for Advanced Photonics and Process Analysis, Munster Technological University, T12 T66T Bishopstown, Cork, Ireland.
Article Synopsis
- - Laser-based mid-IR photothermal spectroscopy (PTS) is a rapid and sensitive analytical method that utilizes advanced laser technology to capture the absorption characteristics of various materials, such as liquids or solids.
- - This study utilizes an external cavity quantum cascade laser (EC-QCL) to analyze a thin film of polymethyl methacrylate (PMMA) on a silicon nitride micro-ring resonator, demonstrating its effectiveness in creating an on-chip photothermal sensor.
- - The research highlights the optimal alignment and focusing techniques for the laser setup, showing that PTS can lead to compact, efficient sensors suitable for real-time monitoring in industrial applications.
An Update on Australian Policy around Lamb Marking with Examination of Potential Drivers. Comment on Johnston et al. How Well Does Australian Animal Welfare Policy Reflect Scientific Evidence: A Case Study Approach Based on Lamb Marking. 2023, , 1358.
Animals (Basel)
October 2024
School of Animal and Veterinary Sciences, The University of Adelaide, Roseworthy, SA 5371, Australia.
Article Synopsis
- The commentary updates the legislative changes regarding mulesing in Australia following a 2023 study on animal welfare policy effectiveness.
- It highlights varying state laws, particularly noting Victoria's leadership and the fragmented approach to animal welfare, which complicates industry practices.
- The piece emphasizes the need for transparent and collaborative policy development, underpinned by scientific evidence, to improve animal welfare outcomes amid conflicting stakeholder interests.
Impedance Characteristics of Microfluidic Channels and Integrated Coplanar Parallel Electrodes as Design Parameters for Whole-Channel Analysis in Organ-on-Chip Micro-Systems.
Biosensors (Basel)
August 2024
Nanobioelectronics Laboratory (NBEL), Department of Biomedical Engineering, Faculty of Engineering Sciences, Ilse Katz Institute for Nanoscale Science and Technology, Zelman Center for Brain Science Research, Ben-Gurion University of the Negev, Building 64, Rm 204, Beer Sheva 8410501, Israel.
Microfluidics have revolutionized cell culture by allowing for precise physical and chemical environmental control. Coupled with electrodes, microfluidic cell culture can be activated or have its changes sensed in real-time. We used our previously developed reliable and stable microfluidic device for cell growth and monitoring to design, fabricate, and characterize a whole-channel impedance-based sensor and used it to systematically assess the electrical and electrochemical influences of microfluidic channel boundaries coupled with varying electrode sizes, distances, coatings, and cell coverage.
View Article and Find Full Text PDFnanomaterial testing: unveiling biases through biomolecular corona influence.
Nanoscale Horiz
June 2024
National University of Singapore, Singapore.
This article highlights the recent work of Castagnola, Armirotti, (, 2024, https://doi.org/10.1039/D3NH00510K) on demonstrating that the widespread use of 10% fetal bovine serum in an assay cannot recapitulate the complexity of systemic administration.
View Article and Find Full Text PDFBrochosome size variation and its influence on leafhopper (Hemiptera: Cicadellidae) wing wettability.
J Insect Sci
January 2024
Department of Entomology, University of Illinois Urbana-Champaign, 505 S Goodwin Avenue, Urbana, IL 61801, USA.
Insect wing surfaces have nano- and microscale features that enable multi-functionality. Leafhoppers (Hemiptera: Cicadellidae) are unique in that they produce and excrete nanoscale particles, called brochocosomes, that are spread onto the integument by the insect. Brochosomes are extra-cuticular, removable, and make the integument both superhydrophobic and anti-reflective, 2 greatly desired properties in engineering and material science fields.
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