Lei Shi

ORCID: 0000-0002-2737-100X
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About
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Research Areas
  • Advanced biosensing and bioanalysis techniques
  • Molecular Sensors and Ion Detection
  • Analytical Chemistry and Sensors
  • Electrochemical Analysis and Applications
  • Electrochemical sensors and biosensors
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Luminescence and Fluorescent Materials
  • Advanced NMR Techniques and Applications
  • CO2 Reduction Techniques and Catalysts
  • Electrocatalysts for Energy Conversion
  • Advanced Computational Techniques and Applications
  • Electron Spin Resonance Studies
  • Geographic Information Systems Studies
  • Educational Technology and Pedagogy
  • Protein Structure and Dynamics
  • Identification and Quantification in Food
  • Ionic liquids properties and applications
  • Coenzyme Q10 studies and effects
  • Nanomaterials for catalytic reactions
  • Microbial bioremediation and biosurfactants
  • Bioactive Compounds and Antitumor Agents
  • Innovative Educational Techniques
  • Ubiquitin and proteasome pathways
  • Calcium Carbonate Crystallization and Inhibition
  • Medicinal Plant Pharmacodynamics Research

National Institute on Drug Abuse
2022-2025

University of Baltimore
2025

National Institutes of Health
2024

Thermo Fisher Scientific (China)
2023-2024

East China University of Science and Technology
2011-2022

Land Consolidation and Rehabilitation Center
2022

Shaanxi Provincial Land Engineering Construction Group
2022

China Land Surveying and Planning Institute
2022

Ministry of Natural Resources
2022

Sichuan University
2020

A method based on plasmon resonance Rayleigh scattering (PRRS) spectroscopy and dark-field microscopy (DFM) was established for the real-time monitoring of a click reaction at single-nanoparticle level. Click reactions surface single gold nanoparticles (GNPs) result in interparticle coupling, which leads to red-shift λmax (Δλmax=43 nm) PRRS spectra color change DFM (from green orange). As service our authors readers, this journal provides supporting information supplied by authors. Such...

10.1002/anie.201301930 article EN Angewandte Chemie International Edition 2013-04-24

A green fluorescent protein chromophore inspired chemosenor for Zn2+ was designed and synthesized. specific fluorescence enhancement observed due to restricted rotation between the 1,10-phenanthroline imidazolone moieties.

10.1039/c1cc10210a article EN Chemical Communications 2011-01-01

Abstract Background Sigma-1 receptor (S1R) is a calcium-sensitive, ligand-operated chaperone protein present on the endoplasmic reticulum (ER) membrane and more specifically at mitochondria- associated (MAM)[1, 2]. At MAM, S1R plays an important role in ER- mitochondrial inter-organelle calcium signaling cell survival[3, 4]. Moreover, its agonists confer resilience against various neurodegenerative diseases[5-8]. resting state, either monomeric or oligomeric state but ratio of these...

10.1093/ijnp/pyae059.654 article EN cc-by-nc The International Journal of Neuropsychopharmacology 2025-02-01

Abstract Scattering recovered plasmonic resonance energy transfer (SR-PRET) was reported by blocking the plasmon (PRET) from gold nanoparticle (GNP) to adsorbed molecules (RdBS). Due selective cleavage of Si-O bond F − ions, quenching is switched off causing an increase in brightness GNPs,detected using dark-field microscopy (DFM) were brightened. This method successfully applied determination fluoride ions water. The SR-PRET provides a potential approach for vitro/vivo sensing with high...

10.1038/srep10142 article EN cc-by Scientific Reports 2015-05-11

Eine Kombination aus Plasmonenresonanz-Rayleigh-Streuung (PRRS) und Dunkelfeldmikroskopie (DFM) ermöglicht die Verfolgung einer Klick-Reaktion auf Nanopartikelebene in Echtzeit. Klick-Reaktionen der Oberfläche einzelner Goldnanopartikel (GNPs) führen zur Partikel-Partikel-Kupplung diese wiederum zu Rotverschiebung von λmax (Δλmax=43 nm) den PRRS-Spektren sowie einem Farbwechsel GNPs im DFM (von Grün nach Orange).

10.1002/ange.201301930 article DE Angewandte Chemie 2013-04-24

Selective electrochemical reduction of CO2 by using renewable electricity has received considerable attention because the potential to convert a harmful greenhouse gas into useful chemicals. A high-performance electrocatalyst for is constructed based on metal nanoparticles/organic molecule hybrid materials. On nanoscale, Au nanoparticles are uniformly anchored carbon nanotubes afford substantially increased current density, improved selectivity CO, and enhanced stability. molecular level,...

10.1002/cssc.201802940 article EN ChemSusChem 2019-02-14

A portable analysis system has been successfully developed for on-site heavy metal ion detection in the environment. The disposable Au nanoparticles (AuNPs) amalgam modified screen-printed carbon electrodes (SPCE) are used this monitoring of Cd <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2+</sup> real water samples. response current is linear to concentration within range 8.4 ppb 500 ppm, with a low limit 2.6 ppb. Meanwhile, surfaces SPCE...

10.1109/jsen.2010.2046408 article EN IEEE Sensors Journal 2010-06-16

Plasmon resonance energy transfer (PRET) has been widely applied in the detection of bio-recognition, heavy metal ions and cellular reactions with high sensitivity, based on overlap between plasmon scattering band nanoparticles absorption surface-modified chromophore molecules. Previous sensors PRET were all implemented gold nanospheres light range 530 to 600 nm. In this work, a PRET-based nanosensor was developed thiol-di(2-picolyl)amine-modified single nanorod for Cu(2+) aqueous solution...

10.1039/c4an01456a article EN The Analyst 2014-01-01

We report molecular dynamics simulations in the explicit membrane environment of a small membrane-embedded protein, sarcolipin, which regulates sarcoplasmic reticulum Ca-ATPase activity both cardiac and skeletal muscle. In its monomeric form, we found that sarcolipin adopts helical conformation, with computed average tilt angle 28 ± 6° azymuthal angles 66 22°, reasonable accord determined experimentally (23 2° 50 4°, respectively) using solid-state NMR separated-local-field experiments. The...

10.1016/j.bpj.2009.02.025 article EN publisher-specific-oa Biophysical Journal 2009-05-01

We have developed an efficient and green cross-coupling reaction for alkoxylation of the primary benzylic C(sp 3 )–H bond. KO t Bu was used as a catalyst O 2 sole oxidant in methoxylation C–H

10.1039/d3gc04070d article EN Green Chemistry 2024-01-01

With the growing popularity of modularity in software development comes rise package managers and language ecosystems. Among them, npm stands out as most extensive manager, hosting more than 2 million third-party open-source packages that greatly simplify process building code. However, this openness also brings security risks, evidenced by numerous poisoning incidents. In paper, we synchronize a local cache containing 3.4 near real-time to give us access code details. Further, perform...

10.48550/arxiv.2403.08334 preprint EN arXiv (Cornell University) 2024-03-13

Residual dipolar couplings (RDCs) are widely used as orientation-dependent NMR restraints to improve the resolution of conformational ensemble biomacromolecules and define relative orientation multidomain proteins protein complexes. However, interpretation RDCs is complicated by intrinsic degeneracy analytical solutions dynamics that lead ill-defined orientations structural domains (ghost orientations). Here, we illustrate how from paramagnetic relaxation enhancement (PRE) experiments lift...

10.1021/ja109080t article EN Journal of the American Chemical Society 2011-02-02

A novel type of ion-selective electrode (ISE) was manufactured for detecting trace amounts Cu(II) ions. The basic substrates ISE were fabricated using screen-printing technology, which could produce disposable electrodes on a large-scale with good repeatability. Moreover, the printed integrated three-electrode system be directly used to read out open-circuit potentials by handheld device through USB port. film composed gold nanorods (GNRs) and 6-(bis(pyridin-2-ylmethyl)amino)hexane-1-thiol...

10.1039/c3an01860a article EN The Analyst 2013-11-11

A GFP chromophore inspired fluorescent chemodosimeter was synthesized, which exhibited "naked-eye" detection for F− with high selectivity and sensitivity based on promoted cleavage of silicon–oxygen bonds the deprotonation reaction via hydrogen-bonding interactions.

10.1039/c4ra09436k article EN RSC Advances 2014-10-16
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