A5101514844- 2D Materials and Applications
- Graphene research and applications
- Ultrasonics and Acoustic Wave Propagation
- Quantum Dots Synthesis And Properties
- MXene and MAX Phase Materials
- Optical Polarization and Ellipsometry
- Spectroscopy Techniques in Biomedical and Chemical Research
- Acoustic Wave Resonator Technologies
- Photoacoustic and Ultrasonic Imaging
- Optical Coherence Tomography Applications
- Molecular Junctions and Nanostructures
- Spectroscopy and Quantum Chemical Studies
- Advanced machining processes and optimization
- Extracellular vesicles in disease
- Mast cells and histamine
- Non-Destructive Testing Techniques
- Force Microscopy Techniques and Applications
- Supramolecular Self-Assembly in Materials
- Asthma and respiratory diseases
- Advanced Sensor Technologies Research
- Food Allergy and Anaphylaxis Research
- Thermography and Photoacoustic Techniques
- Plasmonic and Surface Plasmon Research
- Thermal properties of materials
- Circular RNAs in diseases
Shanghai Jiao Tong University
2020-2024
Shanghai First People's Hospital
2020-2024
Tianjin University
2012-2024
University of Manchester
2009
Beijing University of Chemical Technology
2007
Azimuthal-dependence reflectance difference microscopy was developed to visualize and characterize the optical anisotropy of low-symmetry 2D materials.
N-Fluorenyl-9-methoxycarbonyl-protected amino acids are used as surfactants for carbon nanotubes and their interactions modeled using quantum mechanical computations. These then converted into enzymatically activated CNT that create homogeneous aqueous nanotube dispersions on-demand under constant physiological conditions (see image). Detailed facts of importance to specialist readers published "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made...
The transient plane source (TPS) method is a relatively newly developed approach for thermal conductivity measurement. Compared with the steady-state method, it fast, and applicable to either solid, liquid or gas state materials; therefore, has gained much popularity in recent years. However, during measurement, measured power influenced by heat capacity of electrical isolation films as well resistance change metallic thin wire TPS probes. This further influences measurement precision....
In this work, we report the observation of in-plane optical anisotropy in MoSe2/Au (110) moiré superstructure using reflectance difference spectroscopy, which is formed during molecular beam epitaxy growth monolayer MoSe2 on Au substrate. The examined with low-temperature scanning tunneling microscopy and further confirmed by manifest break C3v symmetry free-standing low energy electron diffraction. Furthermore, density functional theory calculations, allow us to determine interfacial...
An atomically thin MoSe2 layer has been synthesized on mica using molecular beam epitaxy (MBE). The polymorphous of the depends coverage and growth temperature. At low coverages temperature, 1T-MoSe2 forms in addition to a comparable quantity 2H-MoSe2. metastable transfers gradually stable 2H-MoSe2 before completion first monolayer. current result sheds some light complexity nucleation transition metal dichalcogenide (TMDC) monolayers implies possible route for phase selective synthesis MBE.
Air pollution has been correlated to an increasing number of cases human skin diseases in recent years. However, the investigation tissues received only limited attention, point that there are not yet satisfactory modern detection technologies accurately, noninvasively, and rapidly diagnose at epidermis dermis levels. In order detect analyze severe such as melanoma, a finite element method (FEM) simulation study application laser-generated surface acoustic wave (LSAW) technique is developed....
The surface symmetry of the substrate plays an important role in epitaxial high-quality growth 2D materials; however, in-depth and situ studies on these materials during are still limited due to lack effective monitoring approaches. In this work, taking MoSe2 as example, distinct processes Al2O3 (112¯0) (0001) revealed by parallel using reflectance anisotropy spectroscopy (RAS) differential (DRS), respectively, highlighting dominant symmetry. our previous study, we found that RAS signal...
In this paper, a polyvinylidene fluoride (PVDF) piezoelectric transducer was developed to detect laser-induced surface acoustic waves in SiO(2)-thin film-Si-substrate structure. order solve the problems related to, firstly, position of probe, and secondly, fact that signals at different points cannot be detected simultaneously during detection process, four-quadrant wave PVDF designed constructed for purpose detecting excited by pulse laser line source. The experimental results comparison...
Mast cells (MCs) degranulation is a key process during the allergic inflammatory response. MCs release their preformed and new synthesized granules after activation. We found that were released partially selectively activation of bone marrow-derived mouse mast (BMMCs). Next, we investigated response degranulated to challenge. BMMCs activated by antibody/antigen (IgE/Ag) or compound 48/80 (C48/80). The then reactivated either IgE/Ag C48/80 without time intervals. Flow cytometry was used...
The present paper presents the design and development results of a system setup for measuring Young’s modulus thin films by laser-induced surface acoustic waves based on integration two detection methods, namely, piezoelectric transducer differential confocal detection, which may be used conducting consecutive or simultaneous measurements. After demonstrating capabilities each approach, it is shown how, depending wider range applications, sample materials measurement environments, developed...
Real-time monitoring of the growth is essential for synthesizing high quality two dimensional (2D) transition-metal dichalcogenides with precisely controlled thickness. Here, we report first real time in situ optical spectroscopic study on molecular beam epitaxy atomically thin molybdenum diselenide (MoSe2) films sapphire substrates using differential reflectance spectroscopy. The characteristic spectrum MoSe2 monolayer clearly distinct from that bilayer allowing a precise control film...
Aim: This study aimed to investigate the transcriptomic characteristics and interactions between competitive endogenous RNAs (ceRNAs) within small extracellular vesicles (sEVs) derived from mast cells (MCs). Methods: Transcriptome sequencing analyzed lncRNA, circRNA mRNA expression in resting degranulated MC-derived sEVs. Constructed ceRNA regulatory network through correlation analysis target gene prediction. Results: Differentially expressed 1673 mRNAs, 173 lncRNAs 531 circRNAs were...
We propose liquid crystal variable retarder-based reflectance difference spectroscopy for normal-incidence measurements. Principles, instrumentation, data collection and reduction, calibration procedures are provided. The signal noise is better than 10−3, the spectral range from 1.6 to 2.4 eV with 346 photon energy channels. As a demonstration, signals of multilayer pentacene film on poly (ethylene terephthalate) (PET) presented different polarization azimuths. characteristic peaks at...
The proliferative potential of mast cells after activation for 3-4h was found to be decreased, which suggests that cell degranulation and proliferation are differentially regulated. ELK4, a member the ternary complex factor (TCF) subfamily Ets transcription factors, is one downstream effectors MAPK signaling critical proliferation. And Elk4 has been identified vital macrophage in response zymosan transcriptional 12-O-tetrade canoyl phorbol-13-acetate (TPA) stimulation fibroblast. However,...
We present an approach for improving liquid crystal variable retarder (LCVR)-based spectroscopic polarization measurements. As deduced mathematically, the transfer coefficients from random intensity noise to signal are functions of modulation parameters LCVR, i.e., range (MR) and initial retardation. Simulations allow more details about roles two parameters. A broad MR reduces effectively values leads a better quality. However, as narrows, retardation begins influence To obtain high-quality...
The precisely controlled growth of transition metal dichalcogenide (TMDC) monolayers requires sensitive and nondestructive techniques to monitor the morphology coverage in situ real time. In current work, differential reflectance spectroscopy (DRS) was applied molecular beam epitaxy (MBE) atomically thin MoSe2 layers on mica. optical evolution exhibits an oscillation with monolayer periodicity, revealing a two-dimensional (2D) layer-by-layer films. observed sensitivity DRS step density is...
Elevated subcutaneous adipose tissue in obese men correlates strongly with a higher risk of aggressive prostate cancer and poor treatment outcomes, but the exact mechanism underlying increased remains elusive. To address this question, we analyzed transcriptomic data from The Cancer Genome Atlas as well single-cell RNA sequencing microarray cells. Subcutaneous tissue-associated cysteine-rich protein 2 (CSRP2) was significantly downregulated epithelial Knockdown CSRP2 promoted proliferation...