Fei Han

ORCID: 0000-0002-8564-1119
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About
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Research Areas
  • Advanced Algebra and Geometry
  • Homotopy and Cohomology in Algebraic Topology
  • Black Holes and Theoretical Physics
  • Algebraic structures and combinatorial models
  • Cerebrovascular and Carotid Artery Diseases
  • Algebraic Geometry and Number Theory
  • Air Quality and Health Impacts
  • Advanced Operator Algebra Research
  • Energy, Environment, Economic Growth
  • Photonic and Optical Devices
  • Advanced Fiber Optic Sensors
  • Transportation Planning and Optimization
  • Mycorrhizal Fungi and Plant Interactions
  • Environmental Impact and Sustainability
  • Electrochemical Analysis and Applications
  • Intracranial Aneurysms: Treatment and Complications
  • Advanced X-ray and CT Imaging
  • Numerical methods in inverse problems
  • Metal complexes synthesis and properties
  • Vehicle emissions and performance
  • Remote Sensing and Land Use
  • Medical Imaging Techniques and Applications
  • Legume Nitrogen Fixing Symbiosis
  • Environmental Quality and Pollution
  • Moyamoya disease diagnosis and treatment

Peking Union Medical College Hospital
2023-2024

Chinese Academy of Medical Sciences & Peking Union Medical College
2023-2024

Jiangxi Academy of Sciences
2021-2024

National University of Singapore
2010-2024

Shanxi Agricultural University
2021-2022

Shanxi University of Finance and Economics
2020-2022

Huazhong University of Science and Technology
2014-2022

Union Hospital
2022

China Jiliang University
2019-2021

Dalian Polytechnic University
2019-2020

Our development of multifunctional dual-modal imaging probes aims to integrate the benefits from both second near-infrared (NIR-II) fluorescence (1000-1700 nm) and photoacoustic with an ultimate goal improving overall cancer diagnosis efficacy. Herein we designed a donor-acceptor chromophore based nanoparticle (DAP) as image contrast agent has strong absorption in NIR-I window emission peak NIR-II region. The DAPs composed D-π-A-π-D-type chromophores were PEGylated through nanoprecipitation....

10.1021/acsnano.7b05966 article EN ACS Nano 2017-12-04

A novel volatile organic compound (VOC) sensor based on poly (dimethylsiloxane) (PDMS) coated Fabry-Perot interferometer (FPI) with Vernier effect was experimentally demonstrated. The proposed sensor, total length is ~1 mm, composed of a segment large mode area fiber (LMAF) and hollow-core (HCF). HCF the LMAF form two cavities achieve effect. head PDMS film so it not affected by humidity. high sensitivity VOC will be achieved monitoring interference spectral envelope cascaded FPI due to...

10.1109/jsen.2019.2900080 article EN IEEE Sensors Journal 2019-02-19

10.1117/12.3062219 article International Conference on Smart Transportation and City Engineering (STCE 2022) 2025-04-28

Many clinical applications depend critically on the accurate differentiation and classification of different types materials in patient anatomy. This work introduces a unified framework for nonlinear material decomposition applies it, first time, concept triple-energy CT (TECT) enhanced as well dual-energy (DECT).We express polychromatic projection into linear combination line integrals material-selective images. The is then turned problem minimizing least-squares difference between measured...

10.1002/mp.12933 article EN Medical Physics 2018-04-21

The interaction of two inorganic antimony species (SbIII and SbV) with Herring fish DNA was studied by short column capillary electrophoresis (SC-CE) coupled inductively plasma mass spectrometry (ICP-MS). No SbV-DNA observed under simulated physiological conditions. thermodynamic kinetic parameters for the between SbIII were determined SC-CE-ICP-MS assay. stoichiometry 1 : 1. binding constant SbIII-DNA (1.36 ± 0.07)×106 L mol−1, showing strong affinity to condition. exothermic...

10.1039/c0ja00079e article EN Journal of Analytical Atomic Spectrometry 2010-09-29

Abstract Red sour soup is a traditional fermented product in southwest China. Currently, the existing production process mainly adopts method of natural fermentation, with long fermentation cycles and poor stability between batches. Rapid establishment dominant strains can accelerate formation lactic acid, which inhibit growth miscellaneous bacteria. It also helpful for inhibition nitrite accumulation, shortening fermentation. In this study, strain H9, acid‐producing ability, was isolated...

10.1002/fsn3.1992 article EN cc-by Food Science & Nutrition 2020-11-20

The PM 2.5 pollution has been globally threatening human health.By monitoring concentrations and meteorological data, this study estimated the changes in before after implementation of an environmental protection tax law 30 provincial capital cities China by conducting a counterfactual curve-fitting simulation method studied effects (EEPT) on .Then, influencing factors EEPT were investigated employing Bayesian LASSO regression model.The generally reduced annual 2018.The various are...

10.15244/pjoes/122228 article EN Polish Journal of Environmental Studies 2020-07-31

Elliptic genera, transgression and loop spaceChern-Simons forms

10.4310/cag.2009.v17.n1.a4 article EN Communications in Analysis and Geometry 2009-01-01

Colorectal cancer (CRC) is a common malignant tumor with strong invasiveness. Given the reported involvement of DEP domain-containing protein 1B (DEPDC1B) in progression some cancers, its role CRC was explored this study. DEPDC1B expression assessed based on database and tissue microarray (TMA). In addition, knockdown overexpression cell lines were constructed using small hairpin RNA (shRNA) interference. The biological function evaluated vitro vivo through loss/gain-of-function assays....

10.1080/15384101.2022.2110439 article EN Cell Cycle 2022-08-25

10.1016/s1631-073x(03)00241-3 article FR Comptes Rendus Mathématique 2003-06-14

By studying modular invariance properties of some characteristic forms, which are related to elliptic genera, we obtain twisted cancellation formulas for forms. We apply these study divisibilities on spin manifolds and congruences spin$^c$ manifolds. In particular, Rokhlin $8k+4$ dimensional

10.1090/s0002-9947-08-04703-x article EN public-domain Transactions of the American Mathematical Society 2008-10-17

10.1016/j.crma.2010.02.005 article EN Comptes Rendus Mathématique 2010-02-19

In the industrialized production of mushrooms usually only one flush fruitbody is harvested, so that nutrients and energy in substrate not fully exploited. this study, spent Pleurotus eryngii was recycled for cultivation Agrocybe chaxingu under ambient temperature. Six formulae were tested: (1) Control: 98% substrate, 1% sucrose, lime; (2) Control + 10% wheat bran; (3) 20% (4) T. molitor feces; (5) (6) bran feces. Two flushes control resulted a biological efficiency 40.42%; with...

10.1007/s40093-017-0171-9 article EN cc-by International Journal Of Recycling of Organic Waste in Agriculture 2017-09-21

In this paper, by combining modular forms and characteristic forms, we obtain general anomaly cancellation formulas of any dimension.For .4k C 2/-dimensional manifolds, our results include the gravitational Alvarez-Gaumé Witten in dimensions 2, 6 10 [1] as special cases.In dimension 4k 1, derive for index gerbes.In C3, certain about eta invariants, which are interesting spectral geometry.

10.2140/agt.2014.14.91 article EN Algebraic & Geometric Topology 2014-01-09
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