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Optical Flow Sensor with Fluorescent-Conjugated Hyperelastic Pillar: A Biomimetic Approach.
Biomimetics (Basel)
November 2024
Ocean and Maritime Digital Technology Research Division, Korea Research Institute of Ships and Ocean Engineering, Daejeon 34103, Republic of Korea.
Although the Doppler velocity log is widely applied to measure underwater fluid flow, it requires high power and is inappropriate for measuring low flow velocity. This study proposes a fluid flow sensor that utilizes optical flow sensing. The proposed sensor mimics the neuromast of a fish by attaching a phosphor to two pillar structures (A and B) produced using ethylene propylene diene monomer rubber.
View Article and Find Full Text PDFRepair of Acute Grade-3 Combined Posterolateral Corner Avulsion Injuries Using a Transosseous Krackow Suture Pull-Through Technique.
JBJS Essent Surg Tech
December 2024
Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut.
Background: For complete disruption of the posterolateral corner (PLC) structures, operative treatment is most commonly advocated, as nonoperative treatment has higher rates of persistent lateral laxity and posttraumatic arthritis. Some studies have shown that acute direct repair results in revision rates upwards of 37% to 40% compared with 6% to 9% for initial reconstruction. In a recent study assessing the outcomes of acute repair of PLC avulsion injuries with 2 to 7 years of follow-up, patients with adequate tissue were shown to have a much lower failure rate than previously documented.
View Article and Find Full Text PDFMulticonfigurational Electronic Structure of Nickel Cross-Coupling Catalysts Revealed by X-ray Absorption Spectroscopy.
J Phys Chem Lett
December 2024
Stanford PULSE Institute, SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California 94025, United States.
Ni 2,2'-bipyridine complexes are commonly invoked intermediates in metallaphotoredox cross-coupling reactions. Despite their ubiquity, design principles targeting improved catalytic performance remain underdetermined. A series of Ni(bpy)(Ar)Cl (R = MeOOC, -Bu, R' = CH, CF) complexes were proposed to have multiconfigurational electronic structures on the basis of multiconfigurational/multireference calculations, with significant mixing of Ni → bpy metal-to-ligand charge transfer (MLCT) configurations into the ground-state wave function.
View Article and Find Full Text PDFTopologically protected optical pulling force on synthetic particles through photonic nanojet.
Nanophotonics
January 2024
Institute for Translational Brain Research, MOE Frontiers Center for Brain Science, Fudan University, Shanghai, 200032, China.
Article Synopsis
- A dielectric microsphere can gather light into a photonic nanojet (PNJ) that moves towards a near-infrared laser, while it was previously thought Janus particles with a metal layer couldn't stable produce PNJs.
- Researchers found that synthetic Janus particles can also generate a PNJ and experience a backaction force due to their unique composition, even with non-resonant light.
- The study reveals that these Janus particles show a unique hysteresis effect in the backaction force based on laser power changes, suggesting potential applications in manipulating and sorting irregular particles using light.
Development of vegetative oil sorghum: From lab-to-field.
Plant Biotechnol J
November 2024
Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NE, USA.
Biomass crops engineered to accumulate energy-dense triacylglycerols (TAG or 'vegetable oils') in their vegetative tissues have emerged as potential feedstocks to meet the growing demand for renewable diesel and sustainable aviation fuel (SAF). Unlike oil palm and oilseed crops, the current commercial sources of TAG, vegetative tissues, such as leaves and stems, only transiently accumulate TAG. In this report, we used grain (Texas430 or TX430) and sugar-accumulating 'sweet' (Ramada) genotypes of sorghum, a high-yielding, environmentally resilient biomass crop, to accumulate TAG in leaves and stems.
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