Meng Yang

• Taylor's University

A novel polarization conversion radome based on dielectric-embedded metamaterial elements is proposed to decrease the size of antenna profiles. This radome is composed of two kinds of interlaced dielectric-embedded metamaterial elements to realize the polarization conversion and beam deflection. The structures and characteristics of two types of di...

Purpose: This study aimed to develop and evaluate triptolide nanoemulsion gels (TP-NE gels) as a transdermal drug delivery system. Methods: TP-NE was prepared and optimized via emulsification and the central composite design response surface method. The optimized TP-NE gel was evaluated in vitro and in vivo. TP-NE gel microstructure, in vitro an...

Developing highly efficient nanomaterials for energy storage in hybrid supercapacitors is important, but remains challenging. Herein, a MOFs-encapsulated-polyoxometalate (POM)-template strategy followed vulcanization was employed for preparing core-shell structure WS2@Ni-Co-S-X electrode materials. Effect of Ni and Co mass ratio on the morphology a...

A new approach was proposed to construct a novel 3D hybrid nanocomposite heterostructure GO/MnCo2O4/Ni-V-Se as a hybrid supercapacitor electrode. Electrons can easily migrate from Mn ions to Ni ions, thereby increasing the electron energy of the metal orbital, and this inductive effect can effectively improve the electron transfer efficiency. In ad...

Due to the insufficient performance, it is still a challenge to combine conventionally synthesized metal-organic framework (MOF-74) with other materials to fabricate composite electrodes for high-performance supercapacitors. Herein, we synthesized a series of NiCo-MOF-74 composite materials with different amounts of polypyrrole nanotubes (T-PPy) de...

Herein, covalent organic framework (COF) and covalent triazine framework (CTF) have been successfully combined for electrochemical sensing via carboxylated multi-walled carbon nanotubes (COOH-MWCNTs). The COF was synthesized from 1,3,5-tris-(4-formylphenyl) benzene (TFPB) and benzidine (BD), named TFPB-BD-COF. Meanwhile, CTF was synthesized by 1, 4...

The caCTF-1 derived from CTF-1 by carbonization is introduced into the multi-step heat treatment carbon repaired pC-C3N4 to form a 3D interconnected nitrogen-rich carbon structure ([email protected]). Through carbon repairing process, the obtained pC-C3N4 has an extended π-conjugate plane and it is closely interconnected with the nitrogen-rich caCT...

In this study, metal-organic backbone (UiO-66-NH2) and thionyl chloride functionalized carbon nanotubes (COCl-MWCNT) were successfully synthesized, and introduced into carbon black (CB) for fabricating novel electrochemical sensor UiO-66-NH2/COCl-MWCNT/CB/GCE towards simultaneous determination of dihydroxybenzene isomers hydroquinone (HQ), catechol...

In this paper, novel hybrid nanomaterials constituting carbonized biomass materials derived from walnut shells and metal-organic framework (MOF) have been researched as a new class of renewable supercapacitor materials for electrochemical energy storage. One synthetic route is employed to grow Ni-MOF in the peripheries and channels of walnut shells...

In this present work, a COF based electrochemical sensor is successfully fabricated by employing TFPB-BD-COF prepared through condensation reaction of 1, 3, 5-tris-(4-formylphenyl) benzene (TFPB) and benzidine (BD), in-situ reduced platinum nanoparticles (PtNPs) and amino functionalized multi-walled carbon nanotubes (NH2-MWCNTs) as modified materia...

In this work, a covalent organic framework (COF) TAPT-TFP-COF containing a triazine ring was prepared by a typical Schiff base condensation reaction of 1,3,5-tris-(4-aminophenyl)triazine (TAPT) and 1,3,5-triformyl phloroglucinol (TFP). The TAPT-TFP-COF and carboxyl-functionalized multi-wall carbon nanotubes (COOH-MWCNTs) were drip-coated on glassy...

Purpose The effective treatment of ulcerative colitis (UC) poses substantial challenges, and the aetiopathogenesis of UC is closely related to infectious, immunological and environmental factors. Currently, there is a considerable need for the development of orally bioavailable dosage forms that enable the effective delivery of therapeutic drugs to...

MnCo2O4 is derived from a Co/Mn bimetallic metal‐organic framework (MOF). Then Ni‐MOF is directly grown on the surface of the obtained MnCo2O4 to form a nano‐flower structure with small balls. A large surface area, abundant active sites of MnCo2O4 and porosity of Ni‐MOF allow the prepared MnCo2O4/Ni‐MOF composite material to deliver an excellent el...

Thiodiglycolic acid (TDGA) is regarded as a sensitive biomarker for biological monitoring of VCM exposure. A simple, fast and reliable TDGA analysis method is of great significance to human health and the ecological environment. In this work, a novel core-shell nanomaterial based on p-type [email protected] ([email protected]) is first prepared by...

In this work, a novel sensor based on gold nanoparticle-modified Zirconium-metal-organic frameworks (MOF-801) and carboxyl-functionalized carbon nanotube (MWCNT-COOH) composite material was built successfully for electrochemical detection of guanine and adenine in DNA sample, which exhibits diverse advantages such as fast, convenience and high effi...

In this present work, a carboxylated multi-walled carbon nanotubes (MWCNT-COOH) and covalent triazine framework (CTF-1) co-modified glassy carbon electrode (GCE) is prepared and used for simultaneous electrochemical detection of hydroquinone (HQ) and catechol (CC). Due to the synergistic effect between the high electrocatalytic activity and good co...

Background Skin pharmacokinetics is an indispensable indication for studying the drug fate after administration of transdermal drug delivery systems (TDDS). However, the heterogeneity and complex skin structured with stratum corneum, viable epidermis, dermis, and subcutaneous tissue inevitably leads the drug diffusion coefficient (Kp) to vary depen...

On account of the advantages of transdermal delivery and the application situation of transcutaneous technology in transdermal delivery, the article critically comments on nanosystems as permeation enhancement model. Nanosystems possess great potential for transcutaneous drug delivery. This review focuses on recent advances in lipid-based nanocarri...

The objective of this present study was to develop and evaluate the triptolide-loaded nanostructured lipid carriers (TPL-NLCs) for transdermal drug delivery system (TDDS). TPL-NLCs was prepared with emulsification technique and optimized by central composite design of a response surface methodology (CCD-RSM). The optimized TPL-NLCs were spherical a...

Background: In recent years, nanoparticles (NPs) including nanostructured lipid carries (NLC) and solid lipid nanoparticles (SLN) captured an increasing amount of attention in the field of transdermal drug delivery system. However, the mechanisms of penetration enhancement and transdermal transport properties of NPs are not fully understood. There...

Objective: To investigate the pharmacodynamics of Yuchang granules in the rat model of chronic ulcerative colitis(CUC) induced by 2,4,6-three nitrobenzene sulfonic acid (TNBS). Methods: Yuchang granules were prepared by fluidized granulation technology. A rat model of CUC was set up by TNBS. According to body mass stratification,72 rats were random...

The achievable performances of bias-free vertical-cavity surface-emitting laser (VCSEL)-based voltage probe for high-power electromagnetic (HPEM) effects diagnosis of embedded systems are investigated. The minimum driving current needed by VCSEL is calculated to design the probes with high input impedance and high applicable data bit rate (BR) simu...

A compact, high-directivity, weak-coupling directional coupler with coaxial–coplanar waveguide structure and diamond-shaped coupling slot was developed at L band for a high-power microwave measurement by both theoretical analysis and experiments. The relation between the dimension of the coupling slot and the characteristic parameters of the couple...

Background This work aimed to provide useful information on the use of nanoemulsions for the percutaneous administration of triptolide. Lipid nanosystems have great potential for transdermal drug delivery. Nanoemulsions and nanoemulsion gels were prepared to enhance percutaneous permeation. Microstructure and in vitro/in vivo percutaneous delivery...

This paper proposes the method of using bias-free vertical-cavity surface-emitting lasers (VCSELs) for in-circuit monitoring and effects-diagnosis of digital electronic equipment undertaking HPEM susceptibility test. A circuit level model for typical single mode VCSEL and standard I/O buffer information specification model for I/O ports of digital...

Nanocarriers capable of circumventing various biological barriers between the site of administration and the therapeutic target hold great potential for cancer treatment. Herein, a redox-sensitive, hyaluronic acid-decorated graphene oxide nanosheet (HSG) is developed for tumor cytoplasm-specific rapid delivery using near-infrared (NIR) irradiation...

Objective: To optimize the preparation process of Qinmei granules. Methods: The multi-functional fluidized bed granulator was used to prepare Qinmei granules by marumerization. The preparation process parameters were optimized by Box-Behnken response surface method. The fan speed, inlet temperature, feed rate of creep pump were chosen as independen...

Based on measurement of the volume increment of polar liquid that is a result of heating by absorbed microwave energy, two types of calorimeters with coaxial capacitive probes for measurement of high-power microwave energy are designed in this paper. The first is an "inline" calorimeter, which is placed as an absorbing load at the end of the output...

Numerical and experimental studies on a coaxial vircator with radial dual-cavity premodulation are presented. The physics of mechanisms on microwave frequency determination and effects on microwave generating efficiency are discussed. It is proved that the microwave frequency is mainly determined by the modulation frequency, while the optimum opera...