Skip to main content

17 Result(s)

within Yaoyao **e Remove this filter Chemistry Remove this filter Analytical Chemistry Remove this filter

and

  1. No Access

    Article

    Sandpaper-templated Stretchable Immunosensing Electrodes for Sub-picomolar Progesterone Detection

    Female hormone detection, particularly non-invasive monitoring progesterone (P4) levels in body fluids, plays a critical role in female health management and disease diagnosis. However, the challenge still exi...

    Zhaoxian Li, **ngyu Meng, Chuyao Fang… in Chemical Research in Chinese Universities (2024)

  2. No Access

    Article

    Identification of Peanut Kernels Infected with Multiple Aspergillus flavus Fungi Using Line-Scan Raman Hyperspectral Imaging

    The mold contamination caused by Aspergillus flavus poses a serious threat to food safety. In this study, three artificially inoculating strains of Aspergillus flavus (A. flavus 142,801, A. flavus 142,803, A. fla...

    Guang Yang, ** Tian, Yaoyao Fan, Daqian **ang, Ting An… in Food Analytical Methods (2024)

  3. No Access

    Article

    Portable paper-based probe for on-site ratiometric fluorescence determination of total flavonol glycosides in plant extract using smartphone imaging

    A smartphone-assisted, paper-based ratio fluorescence probe is presented for the rapid, low-cost and on-site quantification of total flavonol glycosides in Ginkgo biloba extracts (GBE). The Al3+/Eu-MOF/paper-base...

    Jie Gao, Dan Wang, Yue Chen, Gisèle Ineza Urujeni, Xue Tang, Ziwei Lu… in Microchimica Acta (2024)

  4. No Access

    Article

    Introducing Mn into ZIF-8 nanozyme for enhancing its catalytic activities and adding specific recognizer for detection of organophosphorus pesticides

    In order to design and establish a highly efficient and selective nanozyme-based sensing platform for the UV-vis detection of organophosphorus pesticides (OPs), Mn was introduced into ZIF-8 nanozyme for enhanc...

    Yaoyao Feng, ** Hu, Mei Wang, **aobo Sun, Wei Pan, **** Wang in Microchimica Acta (2023)

  5. No Access

    Article

    Sensitive electrochemical measurement of nitric oxide released from living cells based on dealloyed PtBi alloy nanoparticles

    Nitric oxide (NO), as a vital signaling molecule related to different physiological and pathological processes in living systems, is closely associated with cancer and cardiovascular disease. However, the dete...

    **ucheng Sun, Yong Yan, Yacheng Wang, Yaoyao Zhao, … in Microchimica Acta (2023)

  6. Article

    Open Access

    Double hairpin-assembled probe-mediating catalytic hairpin assembly and primer exchange reaction for sensitive and label-free miRNA analysis in gastric carcinoma

    The aberrant expression of microRNA (miRNA) is closely associated with various pathological processes, such as the development of gastric cancer. High-efficiency quantification of miRNAs is significant for the...

    Hongyu Zhou, Tiantian Liu, **g Wang… in Journal of Analytical Science and Technolo… (2023)

    Download PDF (1752 KB) View Article

  7. No Access

    Article

    Sandwich-type electrochemical immunosensor based on CuFe2O4-Pd for cardiac troponin I detection

    A sandwich-type electrochemical immunosensor was designed by highly efficient catalytic cycle amplification strategy of CuFe2O4-Pd for sensitive detection of cardiac troponin I. CuFe2O4 with coupled variable vale...

    Yaoyao Meng, Yueyuan Li, Shanghua Liu, Shujun Wang, Hui Dong… in Microchimica Acta (2023)

  8. No Access

    Article

    Three-dimensional NiO/Co3O4@C composite for high-performance non-enzymatic glucose sensor

    In this study, a new enzyme-free glucose sensor was constructed using the transition metal-based composite material. The synthesis of ZIF-67 entailed the addition of NiO with high catalytic performance. Two-di...

    Qiaoqian Sun, Yaoyao Zhang, Panpan Gao, Hongchen Pu, Miao Yin… in Analytical Sciences (2023)

  9. No Access

    Article

    A novel ESIPT fluorescent probe derived from 3-hydroxyphthalimide for hydrazine detection in aqueous solution and living cells

    Hydrazine is a highly toxic and flammable liquid that can damage human liver, kidney, and central nervous system. Therefore, it is valuable to seek a quick and sensitive method for hydrazine detection in envir...

    Shengli Hu, Junyu Wang, Meiling Luo, Zhou Wu… in Analytical and Bioanalytical Chemistry (2021)

  10. No Access

    Article

    New Method Based on Zone Melting for Determining Wax Content in Sunflower Oils

    In this study, we developed a new method based on zone melting (ZM) for wax determination in sunflower oils. The system point moving, oil composition, and crystallization were analyzed by differential scanning...

    Yonglin Li, Yaoyao Dong, Rui Liu, Shaoxia Shi, Jia Chen… in Food Analytical Methods (2021)

  11. No Access

    Article

    Fluorescent silicon nanoparticles as dually emissive probes for copper(II) and for visualization of latent fingerprints

    The work describes dually-emissive silicon nanoparticles (Si NPs) in aqueous dispersion with two emissions. The Si NPs respond to different solvents independently with various wavelength fluorescence emissions...

    Mingyu Tang, Baoya Zhu, Yaoyao Qu, Zhanshuang **, Shuang Bai… in Microchimica Acta (2019)

  12. No Access

    Article

    Solid-liquid Phase Equilibria in the Process of Producing Lithium Hydroxide from Lithium Sulfate

    The solid-liquid phase equilibria in the process of producing lithium hydroxide from lithium sulfate at 283.15, 298.15 and 323.15 K were studied via the isothermal solubility equilibrium method, and the solid spe...

    Jian Guo, Peng Wu, Yaoyao Li, Min Zhang… in Chemical Research in Chinese Universities (2019)

  13. No Access

    Article

    New Method for the Discrimination of Adulterated Flaxseed Oil Using Dielectric Spectroscopy

    To develop a new and rapid qualitative and quantitative analysis of flaxseed oil adulteration with different vegetable oils, we investigated the dielectric spectroscopy coupled with multivariate methodology in...

    Lingyan Zhang, Jia Chen, Bingyu **g, Yaoyao Dong, **uzhu Yu in Food Analytical Methods (2019)

  14. No Access

    Article

    Lipidomic Profiling on Oxidized Phospholipids in Type 2 Diabetes Mellitus Model Zebrafish

    Type 2 diabetes mellitus is a serious metabolic disorder in the world. Oxidative stress, as a key role on the pathogenesis of diabetes, also results in the oxidation of phospholipids. However, studies on phosp...

    Zhen Chen, Liqing Zang, Yue Wu, Hiroko Nakayama, Yasuhito Shimada… in Analytical Sciences (2018)

  15. No Access

    Article

    Polyyne formation via skeletal rearrangement induced by atomic manipulation

    Rearrangements that change the connectivity of a carbon skeleton are often useful in synthesis, but it can be difficult to follow their mechanisms. Scanning probe microscopy can be used to manipulate a skeleta...

    Niko Pavliček, Przemyslaw Gawel, Daniel R. Kohn, Zsolt Majzik… in Nature Chemistry (2018)

  16. No Access

    Article

    Lignite-derived mesoporous N- and O-enriched carbon sheet: a low-cost promising electrode for high-performance electrochemical capacitors

    In the work, we successfully fabricate mesoporous N- and O-enriched carbon (NOC) with adjustable porosity and specific surface area (SSA) by using low-cost lignite as a precursor coupled with general KOH or ZnCl2

    Siqi Zhu, Qiuli Chen, Yaoyao Shi, Zhiyi Chen… in Journal of Solid State Electrochemistry (2016)

  17. No Access

    Article

    Preparation and Evaluation of Poly-l-Lysine Stationary Phase for Hydrophilic Interaction/Reversed-Phase Mixed-Mode Chromatography

    In this work, a poly-l-lysine-grafted stationary phase was synthesized by polymerization of N-carboxyanhydride of l-lysine initiated by 3-aminopropylated silica. The resulting material was characterized by FT-IR ...

    Yuanyuan Li, Zhigang Xu, Yaoyao Feng, **aoyan Liu, Tong Chen… in Chromatographia (2011)