This paper reports on a low-cost turbidity sensor design for continuous on-line water quality monitoring applications. The measurement of by agricultural and environmental scientists is restricted the current cost functionality available commercial instruments. Although there are number sensors exploited within domestic `white-goods', such as dishwashers, lack sensitivity, power-usage these devices make them unsuitable fresh-water purposes. recent introduction wireless protocols hardware,...

We implement a limited-memory Broyden-Fletcher-Goldfarb-Shanno (L-BFGS) optimization of phase-only computer-generated hologram for multi-depth three-dimensional (3D) target. Instead computing the full 3D reconstruction hologram, we use novel method using L-BFGS with sequential slicing (SS) partial evaluation during that only computes loss single slice at every iteration. demonstrate its ability to record curvature information enables have good quality imbalance suppression under SS technique.

Fluorination on the retaining ligand of Ru(<sc>ii</sc>) PACT agents enhanced phototoxicity but diminished dark cytotoxicity compared with parent complex, more favorable for application.

We present a new method for deriving functions that model the relationship between multiple signals in physical system. The method, which we call dimensional function synthesis , applies to data streams where dimensions of are known. comprises two phases: compile-time phase and subsequent calibration using sensor data. implement use implementation demonstrate efficiently summarizing multi-modal systems 90 laboratory experiments 10 000 synthetic idealized measurements. evaluate performance as...

Pd nanoparticles (PdNPs) stabilized by methyl cellulose (MC) were synthesized in an aqueous solution, which are monodispersed nanoparticles. PdNPs/α-Al2O3 catalyst was prepared with PdNPs and showed better catalytic performance than Pd/α-Al2O3 the incipient wetness impregnation method using Pd(NO3)2 as a precursor. The catalysts characterized transmission electron microscopy (TEM), scanning (SEM), energy dispersive X-ray spectroscopy (EDS), photoelectron (XPS), powder diffraction (XRD)...

Cholesterol (CHOL) is an indispensable component of liposomes. Incorporation 7-dehydrocholesterol (7-DHC) instead CHOL can efficiently enhance the anticancer activity photosensitizer-encapsulated liposomes upon irradiation, yielding IC50 value about half that CHOL-based controls. The photo-oxidation 7-DHC into its endoperoxide form by singlet oxygen may account for enhanced therapeutic effect, realizing efficient combination photodynamic therapy (PDT) and photoactivated chemotherapy.

Abstract Photoactivated chemotherapy (PACT) has appealing merits over traditional as well photodynamic therapy (PDT) by virtue of its spatial and temporal control on drug activity oxygen‐independent mechanisms action. However, the short photoactivation wavelengths, e.g., visible light–activated Ru(II)‐based PACT agents, limit clinical application severely. In this work, a facile construction supramolecular nanoparticles from poly(ethylene glycol) (PEG)‐modified [Ru(dip) 2 (py‐SO 3 )] +...

Abstract In photodynamic therapy (PDT), the uses of nanoparticles bearing photosensitizers (PSs) can overcome some drawbacks using a PS alone (e.g., poor water solubility and low tumor selectivity). However, numerous nano‐formulations are developed by physical encapsulation PSs through Van der Waals interactions, which have not only limited load efficiency but also in vivo biodistribution problems caused leakage or burst release. Herein, polymersomes made from an amphiphilic block copolymer,...

We present an algorithm for generating high-quality holograms computer generated holography: holographic predictive search. This approach is presented as alternative to traditional search algorithms such direct (DS) and simulated annealing (SA). first introduce the current search-based methods then analytical model of underlying Fourier elements. used make prescient judgments regarding next iteration algorithm. developed case phase-modulating devices with phase-sensitive reconstructions....

SGD (Stochastic gradient descent) is an emerging technique for achieving high-fidelity projected images in CGH (computer-generated holography) display systems. For real-world applications, the devices to corresponding holographic fringes have limited bit-depth depending on specific technology employed. performance adversely affected by this limitation and piece of work we quantitatively compare impact algorithmic based different bit-depths developing our own algorithm, Q-SGD (Quantised-SGD)....

Spatial light modulators (SLMs) are key research tools in several contemporary applied optics domains. In this paper, we present the argument that an open platform for interacting with SLMs would dramatically increase their accessibility to researchers. We introduce HoloBlade, open-hardware implementation of SLM driver-stack, and provide a detailed exposition HoloBlade’s architecture, components, design. An optical verification rig is constructed demonstrate HoloBlade can Fourier imaging...

Perfluorinated compounds (PFCs), used to provide water, oil, grease, heat and stain repellency a range of textile other products, have been found be persistent in the environment are associated with adverse effects on humans wildlife. This study presents development validation an analytical method determine simultaneous presence eleven PFCs leather using solid-phase extraction followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The perfluorinated were primarily extracted...

The ring ultrasonic transducers are widely used in the ocean engineering and medical fields. This paper employs an extended orthogonal polynomial approach to solve guided wave propagation two-dimensional structures, i.e. piezoelectric rings with rectangular cross-sections. can overcome drawbacks of conventional which be one-dimensional structures. Through numerical comparison available results for a aluminum bar, validity present is illustrated. dispersion curves displacement electric...

Abstract The phase transition and elastic properties of NaF are investigated by first-principle plane-wave pseudopotential density function theory method, the thermodynamic also obtained through quasi-harmonic Debye model. pressure about 28 GPa for from rocksalt (B1) to cesium chloride (B2) is obtained, which agrees better with experimental data than previous theoretical results. constants C 11 12 found monotonically increase pressure; however, 44 almost constant pressure, well dependences...

Abstract The current study on the synthesis problems of four-bar mechanism trajectories primarily relies establishing a numerical atlas based trajectory characteristics and employing neural networks to synthesize parameters. However, this approach has several shortcomings, including vast database, inefficient retrieval, challenges in maintaining accuracy. This paper presents method for synthesizing trajectory-generation that combines extreme gradient boosting (XGBoost) algorithm with genetic...

This study utilizes the ResNet18 network to classify and recognize trajectories of planar mechanisms. research begins by deriving formulas for trajectory points in various typical mechanisms, resulting images are employed as samples training testing network. The classification both upright inverted configurations a four-bar linkage is investigated. Compared with AlexNet VGG16, model demonstrates superior accuracy during testing, coupled reduced time memory consumption. Furthermore, applied...

The solidification process of a high chromium cast iron grate bar used for sinter machine was simulated, and temperature oxidation resistance also investigated. simulation result shows that sequence can be achieved no shrinkage cavity porosity were observed. Based on the analysis microstructure, it could known well protected by Fe3O4、Fe2O3 Cr2O3 oxide films at temperatures lower than 800°C.

The generation of computer-generated holograms (CGHs) requires a significant amount computational power. To accelerate the process, highly parallel field-programmable gate arrays (FPGAs) are deemed to be promising computing platform implement non-iterative hologram algorithms. In this paper, we present cost-optimized heterogeneous FPGA architecture based on one-step phase retrieval algorithm for CGH generation. results indicate that our hardware implementation is 2.5× faster than equivalent...

Computer Generated Holograms (CGHs) are fundamental to the creation of holographic display and responsible for carrying phase or amplitude information a particular optical field. The standard approaches CGH generation on personal computers all involve multiple forward inverse 2-dimensional fast Fourier Transforms (2D FFTs). This common method is not enough real-time application. Producing CGHs via configurable hardware may reduce computational burden. To overhead, fixed-point arithmetic...