Dual-channel Module Research Articles

Controllable Synthesis of Self-Assembled Nitroimidazole-Based Nanocomplexes for Enhanced Chemodynamic Therapy by Dual-Channel Modulation of Glutathione

Controllable Synthesis of Self-Assembled Nitroimidazole-Based Nanocomplexes for Enhanced Chemodynamic Therapy by Dual-Channel Modulation of Glutathione

Dual channel and multi-scale adaptive morphological methods for infrared small targets

Infrared small target detection is a challenging task. Morphological operators with a single structural element size are easily affected by complex background noise, and the detection performance is easily affected by multi-scale background noise environments. In order to enhance the detection performance of infrared small targets, we propose a dual channel and multi-scale adaptive morphological method (DMAM), which consists of three stages. Stages 1 and 2 are mainly used to suppress background noise, while stage 3 is mainly used to enhance the small target area. The multi-scale adaptive morphological operator is used to enhance the algorithm’s adaptability to complex background environments, and in order to further eliminate background noise, we have set up a dual channel module. The experimental results indicate that this method has shown superiority in both quantitative and qualitative aspects in comparison methods, and the effectiveness of each stage and module has been demonstrated in ablation experiments. The code and data of the paper are placed in https://pan.baidu.com/s/19psdwJoh-0MpPD41g6N_rw.

Dual-channel dynamic modulation for polarization-dependent absorption by gating ultrathin TiN films in the near-infrared region

Ultrathin titanium nitride (TiN) is a novel material flatform for constructing active metasurfaces in the near-infrared region (NIR). In this paper, we numerically achieved the dual-channel dynamic modulation for polarization-dependent absorption by adjusting incident angles and gating ultrathin TiN films. To enhance the active modulation effect of ultrathin TiN film, the “卍” shaped gold resonator is integrated with ultrathin TiN film for constructing a metasurface Salisbury screen (MSS). By electrical reducing TiN carrier concentration by 12%, the absorption peak of TE wave blueshifts 100 nm. The magnitude and the frequency of the polarization-dependent absorption are independently tuned by changing incident angles or the carrier concentration in TiN film. The ultrathin TiN film based polarization-dependent metasurface enabling versatile dual-channel modulation has great potentials in the applications of optical communication, information encryption, real-time imaging etc.

Photonics-assisted compressed sensing of radio frequencies with a rate-doubled bipolar random sequence.

A novel, to the best of our knowledge, photonics-assisted scheme for compressed sensing (CS) of sparse RF signals is proposed. An architecture with time-delayed dual-channel modulation of a pseudo-random binary sequence in combination with differential detection enables the generation of a rate-doubled bipolar random sequence, which largely increases the bandwidth of the CS system. In addition, the bipolarity of the random sequence ensures a zero-mean measurement matrix, which helps improve the signal recovery performance. Experimental results are presented to verify the performance improvement of the approach in comparison with the conventional single-ended photonic CS system.

A BERT based dual-channel explainable text emotion recognition system

In this paper, a novel dual-channel system for multi-class text emotion recognition has been proposed, and a novel technique to explain its training & predictions has been developed. The architecture of the proposed system contains the embedding module, dual-channel module, emotion classification module, and explainability module. The embedding module extracts the textual features from the input sentences in the form of embedding vectors using the pre-trained Bidirectional Encoder Representations from Transformers (BERT) model. Then the embedding vectors are fed as the inputs to the dual-channel network containing two network channels made up of convolutional neural network (CNN) and bidirectional long short term memory (BiLSTM) network. The intuition behind using CNN and BiLSTM in both the channels was to harness the goodness of the convolutional layer for feature extraction and the BiLSTM layer to extract text’s order and sequence-related information. The outputs of both channels are in the form of embedding vectors which are concatenated and fed to the emotion classification module. The proposed system’s architecture has been determined by thorough ablation studies, and a framework has been developed to discuss its computational cost. The emotion classification module learns and projects the emotion embeddings on a hyperplane in the form of clusters. The proposed explainability technique explains the training and predictions of the proposed system by analyzing the inter & intra-cluster distances and the intersection of these clusters. The proposed approach’s consistent accuracy, precision, recall, and F1 score results for ISEAR, Aman, AffectiveText, and EmotionLines datasets, ensure its applicability to diverse texts.

Fully Implantable Low-Power High Frequency Range Optoelectronic Devices for Dual-Channel Modulation in the Brain.

Wireless optoelectronic devices can deliver light to targeted regions in the brain and modulate discrete circuits in an animal that is awake. Here, we propose a miniaturized fully implantable low-power optoelectronic device that allows for advanced operational modes and the stimulation/inhibition of deep brain circuits in a freely-behaving animal. The combination of low power control logic circuits, including a reed switch and dual-coil wireless power transfer platform, provides powerful capabilities for the dissection of discrete brain circuits in wide spatial coverage for mouse activity. The actuating mechanism enabled by a reed switch results in a simplified, low-power wireless operation and systematic experimental studies that are required for a range of logical operating conditions. In this study, we suggest two different actuating mechanisms by (1) a magnet or (2) a radio-frequency signal that consumes only under 300 µA for switching or channel selection, which is a several ten-folds reduction in power consumption when compared with any other existing systems such as embedded microcontrollers, near field communication, and Bluetooth. With the efficient dual-coil transmission antenna, the proposed platform leads to more advantageous power budgets that offer improved volumetric and angular coverage in a cage while minimizing the secondary effects associated with a corresponding increase in transmitted power.

Compact integrated optical immunosensor using replicated chirped grating coupler sensor chips

A novel compact multichannel integrated optical sensor module isdescribed. Its performance is demonstrated by measurement of the mass adsorption of an analyte molecule to the transducer surface by refractometry in an immunosensor experiment. The signal transduction is achieved by means of chirped grating couplers, which allow simple yet highly functional sensor modules to be built. The experiments were performed with high-sensitivity replicated polycarbonate TiO(2) waveguide sensor chips for detecting the binding of rabbit immunoglobulin to immobilized protein A. Aresolution of ?3 pg/mm(2) surface mass coverage was obtained in a dual-channel module with size 10 cm x 10 cm x10 cm.

Integrated optical pH sensor using replicated chirped grating coupler sensor chips

Integrated optical sensor chips suitable for high-resolution pH measurements are presented. The pH-sensitive swelling of a polymer membrane is detected by refractometry using a compact multi-channel sensor module. The signal transduction is achieved by means of chirped grating couplers which allow simple yet high functionality sensor modules to be built. The experiments have been performed with high sensitivity replicated polycarbonate TiO 2 waveguide sensor chips coated with an ultrathin photopatterned hydrogel membrane having functional groups which reversibly change from the neutral state to a charged state upon acidification. A resolution δpH <±1.1×10 −4 in terms of the pH (at pH 7.5) has been obtained in a dual-channel module with size 10×10×10 cm 3.

Compact integrated optical immunosensor using replicated chirped grating coupler sensor chips

A novel compact multichannel integrated optical sensor module isdescribed. Its performance is demonstrated by measurement of the mass adsorption of an analyte molecule to the transducer surface by refractometry in an immunosensor experiment. The signal transduction is achieved by means of chirped grating couplers, which allow simple yet highly functional sensor modules to be built. The experiments were performed with high-sensitivity replicated polycarbonate TiO(2) waveguide sensor chips for detecting the binding of rabbit immunoglobulin to immobilized protein A. Aresolution of ?3 pg/mm(2) surface mass coverage was obtained in a dual-channel module with size 10 cm x 10 cm x10 cm.

Platelet collection using the IBM 2997 cell separator.

Platelets were collected using the dual-channel module on the IBM 2997 Blood Fraction Separator. We carried out 320 procedures to harvest platelets for therapeutic purposes and yielded 5.1 +/- 1.5 X 10(11) platelets (mean +/- SD). Infusion into previously unsensitized recipients with hypomegakaryocytic thrombocytopenia achieved increments at 1 hr of 19 +/- 7.3 X 10(9)/liter/m2 (mean +/- SD) and at 24 hr of 15 +/- 6.3 X 10(9)/liter/m2. The only consistent donor reaction was mild hypocalcaemia, easily corrected by calcium gluconate infusion. Changes in donor packed-cell volume and white cell count were not statistically altered (p greater than 0.05) but donor platelet counts fell from 216 +/- 43.1 X 10(9)/liter to 162.5 +2- 41.7 X 10(9)/liter (mean +/- SD) (p less than 0.01). Additional plateletphereses were carried out in seven normal volunteers, using the same technique, in order that the function of the harvested platelets could be studied. Following radiochromium labelling and reinfusion into the same donors, normal in vivo recoveries were obtained at 10 min (59.4 +/- 3.4%; mean +/- SD) and platelet mean life span was also normal (218 +/- 12 hr; mean +/- SD). Furthermore, in vitro platelet factor III availability and aggregation patterns of the harvested platelets did not differ from control values and their ultrastructural appearance was normal.