Lanlan Sun

ORCID: 0000-0002-3290-6101
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About
Contact & Profiles
Research Areas
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Advanced biosensing and bioanalysis techniques
  • Weed Control and Herbicide Applications
  • Pesticide and Herbicide Environmental Studies
  • Electrochemical sensors and biosensors
  • Electrochemical Analysis and Applications
  • Allelopathy and phytotoxic interactions
  • Molecular Junctions and Nanostructures
  • Catalysis and Oxidation Reactions
  • Catalytic Processes in Materials Science
  • Nanocluster Synthesis and Applications
  • Quantum Dots Synthesis And Properties
  • Conducting polymers and applications
  • Metal-Organic Frameworks: Synthesis and Applications
  • ZnO doping and properties
  • Nanomaterials for catalytic reactions
  • Plant tissue culture and regeneration
  • Gas Sensing Nanomaterials and Sensors
  • DNA and Nucleic Acid Chemistry
  • Oxidative Organic Chemistry Reactions
  • Collagen: Extraction and Characterization
  • Zeolite Catalysis and Synthesis
  • Polymer Surface Interaction Studies
  • RNA Interference and Gene Delivery
  • Advanced Photocatalysis Techniques

Henan Academy of Agricultural Sciences
2018-2024

Institute of Plant Protection
2018-2024

Beihang University
2024

Tianjin University of Commerce
2024

Chinese Academy of Sciences
2006-2021

Shenyang Pharmaceutical University
2019-2021

Nankai University
2018-2021

Shanghai Institute of Materia Medica
2021

Xinjiang Technical Institute of Physics & Chemistry
2020

Xinjiang Normal University
2020

A simple and industrially scalable approach to prepare porous carbon (PC) with high surface areas as well abundant nitrogen element anode supporting materials for lithium-ion batteries (LIBs) was developed. Herein, the N-doped PC prepared by carbonizing crawfish shell, which is a kind of food waste marine chitin naturally structure. The structure can be kept form in pyrolysis process. PC-Co3O4 nanocomposites were synthesized loading Co3O4 on LIBs. resulting release an initial discharge 1223...

10.1021/am406053s article EN ACS Applied Materials & Interfaces 2014-05-06

Methane, an abundant and clean fossil energy source, can provide the highest specific compared with other hydrocarbons. Exploiting efficient way to convert methane fuel or chemicals is, therefore, of significant importance economically as well in terms sustainability. Generally, is first converted syngas industry, which further transformed liquid hydrocarbons via a Fischer–Tropsch process. Methane also directly pyrolyzed olefins aromatic coupled C 2 products at very high temperatures. Among...

10.1002/ente.201900826 article EN Energy Technology 2019-11-20

A controllable silver nanoparticle aggregate system has been synthesized by adding different amounts of ethanol to cetyltrimethylammonium bromide (CTAB) capped nanoparticles (Ag-nps), which could be used as highly efficient surface-enhanced Raman scattering (SERS) active substrates. This ethanol-induced aggregation can attributed preferential dissolution CTAB into ethanol, leads a partial removal the protective layer on Ag-nps. The optical and morphological properties these aggregates under...

10.1021/jp075550z article EN The Journal of Physical Chemistry C 2008-01-10

MOFs-derived micro/nanostructures have important potential applications. In this review, we describe the use of MOFs as templates in synthesis metal/metal oxide and composite materials. The applications derived materials are also reviewed.

10.1039/c4ra12273a article EN RSC Advances 2014-12-12

Here, we describe a one-step synthesis of silver nanoparticles, nanorods, and nanowires on DNA network surface in the absence surfactant. Silver ions were first adsorbed onto then reduced sodium borohydride solution. formed by controlling size pores network. The diameter nanoparticles aspect ratio nanorods can be controlled adjusting concentration reduction time.

10.1021/jp044314a article EN The Journal of Physical Chemistry B 2005-04-06

A novel nonenzymatic glucose sensor was constructed based on anthill-like Cu@carbon nanocomposites which were derived from a Cu-based metal organic framework by simple thermolysis method. The final characterized scanning electron microscopy, thermogravimetric analysis, X-ray powder diffraction and electrochemical techniques. results showed that the maintained morphology of original materials upon thermolysis, while produced Cu nanoclusters embedded in three-dimensional carbon frameworks...

10.1039/c3ay41764f article EN Analytical Methods 2013-12-13

A large-scale λ-DNA network on a mica surface was successfully fabricated with simple method. Silver nanoparticles capped the cationic surfactant cetyltrimethylammonium bromide (CTAB) were self-assembled onto two-dimensional DNA template by electrostatic interaction and formed nanoporous silver films, which can be used as active surface-enhanced raman scattering (SERS) substrates. Two probe molecules, Rhodamine 6G (R6G) 4-aminothiophenol (4-ATP), studied these substrates very low...

10.1021/jp054752x article EN The Journal of Physical Chemistry B 2005-11-24

We reported a simple method to synthesize gold nanoparticles (NPs) by photoreducing HAuCl4 in acetic acid solution the presence of type I collagen. It was found that collagen takes an important role formation NPs. The introduction made shape synthesized nanocrystals change from triangular and hexangular nanoplates size-uniform On other hand, thanks special characters molecules, such as its linear nanostructure, are positively charged when pH < 7, excellent self-assembly ability, photoreduced...

10.1021/jp065868b article EN The Journal of Physical Chemistry C 2007-01-11

Aggregation of citrate-reduced silver nanoparticles (Ag nps) induced by cetyltrimethylammonium bromide (CTAB) was studied UV–vis absorption spectra, SEM, and zeta potential measurement. Subsequently, Rhodamin 6G (R6G) 4-aminothiophenol (4-ATP) were used for testing the SERS activity on these aggregates with very low concentrations, it found that enhancement ability dependent concentration CTAB. Maximum achieved when 0.05 mM CTAB added, factor (EF) estimated to be as large 7.9 × 106 (a1)...

10.1021/jp205545g article EN The Journal of Physical Chemistry C 2011-07-14

Hierarchical Cu–Co–Ni nanostructures (Cu–Co–Ni NSs) attached to carbon nanofibers (CNFs) modified glassy electrode (GCE) was prepared by electrodeposition. Scanning electron microscopy results indicated that many hierarchical NSs were formed and uniformly dispersed on the CNFs/GCE surface. The electrochemical behavior electrocatalytic performance of NSs/CNFs/GCE towards oxidation glucose evaluated cyclic voltammograms, chronoamperometry amperometric methods. revealed has a good activity for...

10.1039/c3ay41170b article EN Analytical Methods 2013-01-01

Isoxadifen-ethyl can effectively alleviate nicosulfuron injury in the maize. However, effects of safener isoxadifen-ethyl on detoxifying enzymes maize is unknown. The individual and combined sulfonylurea herbicide growth selected physiological processes were evaluated. Bioassays showed that EC50 values plus for cultivar Zhengdan958 18.87 249.28 mg kg-1, respectively, 24.8 275.51 Zhenghuangnuo No. 2 cultivar. Evaluations target enzyme acetolactate synthase I50 ALS 15.46 28.56 μmol L-1, 0.57...

10.1371/journal.pone.0173502 article EN cc-by PLoS ONE 2017-03-07

Bimetallic Pt–Sn catalysts supported on dealuminated Si-beta zeolite were prepared<italic>via</italic>wet impregnation and the nanoscale close contact between Pt Sn species in Pt–Sn/Si-beta was confirmed by electron microscopy analyses.

10.1039/c8cy00712h article EN Catalysis Science & Technology 2018-01-01

A novel nonenzymatic hydrogen peroxide (H2O2) sensor was simply prepared by depositing Pt nanoparticles (Pt NPs) onto Ni foam using UV-irradiation. Scanning electron microscopy applied to characterize the changes of morphologies with UV-irradiation time. Energy dispersive spectroscopy confirmed that NP–Ni mainly composed and Ni. The electrode shared unique advantages NPs (such as good electrocatalytic activity) high electric conductivity, large surface area porosity). Its application in H2O2...

10.1039/c3ay41566j article EN Analytical Methods 2013-10-29
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