ORCID Profile
0000-0001-5183-3174
Current Organisation
格林美股份有限公司
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Publisher: Elsevier BV
Date: 09-2017
Publisher: Wiley
Date: 30-10-2019
Abstract: Micro/nanomotors (MNMs) have emerged as active micro/nanoplatforms that can move and perform functions at small scales. Much of their success, however, hinges on the use of functional properties of new materials. Liquid metals (LMs), due to their good electrical conductivity, biocompatibility, and flexibility, have attracted considerable attentions in the fields of flexible electronics, biomedicine, and soft robotics. The design and construction of LM-based motors is therefore a research topic with tremendous prospects, however current approaches are mostly limited to macroscales. Here, the fabrication of an LM-MNM (made of Galinstan, a gallium-indium-tin alloy) is reported and its potential application as an on-demand, self-targeting welding filler is demonstrated. These LM-MNMs (as small as a few hundred nanometers) are half-coated with a thin layer of platinum (Pt) and move in H
Publisher: Elsevier BV
Date: 09-2017
Publisher: Elsevier BV
Date: 02-2023
Publisher: Wiley
Date: 18-02-2022
Abstract: Enzyme‐powered micromotors using biocompatible substances as fuel are promising candidates in biomedical applications due to their potential autonomous movement in biological fluid and supreme biocompatibility. However, the inherent fragility of enzymes in complex environment hinders their application in practice. Herein, the smart temperature‐responsive poly(N‐isopropylacrylamide) (PNIPAM) is introduced to SiO 2 @urease micromotors to increase the stability of the enzyme engine by the confinement effect derived from shrinkage of PNIPAM at temperatures above its lower critical solution temperature (LCST). As a result, the structure transformation and subunit dissociation of the enzyme are suppressed, leading to improved thermal stability of the urease engine. A systematic comparison of PNIPAM protected and bare SiO 2 @urease micromotors after thermal treatments at identical temperatures for various time intervals has clearly revealed the enhancement of stability against thermal deformation by PNIPAM integration. This work, paving a way to the development of thermally stable enzyme‐powered micromotors, can greatly raise the prospect of the intelligent micromachines toward practical biomedical applications.
Publisher: Elsevier BV
Date: 07-2019
Publisher: Elsevier BV
Date: 2017
Publisher: American Chemical Society (ACS)
Date: 15-12-2023
Publisher: Elsevier BV
Date: 10-2022
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8CC90200C
Publisher: Elsevier BV
Date: 04-2021
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8CC01548A
Abstract: New FeO x –MnO 2 catalytic micromotors were developed with high speeds at extremely low H 2 O 2 fuel concentrations.
Publisher: Elsevier BV
Date: 10-2018
DOI: 10.1016/J.JCIS.2018.05.088
Abstract: Platinum (Pt) free micro/nanomotors (MNMs) using a low content of fuels are highly desired for many applications. Herein, we demonstrate that cathodic electrofabrication can produce modified MnO
Publisher: American Chemical Society (ACS)
Date: 11-01-2022
Abstract: As a typical, classical, but powerful biochemical sensing technology in analytical chemistry, enzyme-linked immunosorbent assay (ELISA) shows excellence and wide practicability for quantifying analytes of ultralow concentration. However, long incubation time and burdensome laborious multistep washing processes make it inefficient and labor-intensive for conventional ELISA. Here, we propose rod-like magnetically driven nanorobots (MNRs) for use as maneuverable immunoassay probes that facilitate a strategy for an automated and highly efficient ELISA analysis, termed nanorobots enabled ELISA (nR-ELISA). To prepare the MNRs, the self-assembled chains of Fe 3 O 4 magnetic particles are chemically coated with a thin layer of rigid silica oxide (SiO 2 ), onto which capture antibody (Ab1) is grafted to further achieve magnetically maneuverable immunoassay probes (MNR-Ab1s). We investigate the fluid velocity distribution around the MNRs at microscale using numerical simulation and empirically identify the mixing efficiency of the actively rotating MNRs. To automate the analysis process, we design and fabricate by 3-D printing a detection unit consisting of three function wells. The MNR-Ab1s can be steered into different function wells for required reaction or wishing process. The actively rotating MNR-Ab1s can enhance the binding efficacy with target analytes at microscale and greatly decrease incubation time. The integrated nR-ELISA system can significantly reduce the assay time, more importantly during which process manpower input is greatly minimized. Our simulation of the magnetic field distribution generated by Helmholtz coils demonstrates that our approach can be scaled up, which proves the feasibility of using current strategy to construct high throughput nR-ELISA detection instrument. This work of taking magnetic micro/nanobots as active immunoassay probes for automatic and efficient ELISA not only holds great potential for point-of-care testing (POCT) in future but also extends the practical applications of self-propelled micro/nanorobots into the field of analytical chemistry.
Publisher: Trans Tech Publications, Ltd.
Date: 06-2014
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMR.953-954.1045
Abstract: The Ag-assisted electroless etching of p-type silicon substrate in HF/H 2 O 2 solution at room temperature was investigated. In this work, the effects of HF, H 2 O 2 and their volume ratio on morphology and growth of p-type silicon substrate surface by using metal assisted etching were investigated in order to produce a highly efficient antireflecting structure. The Ag metal particles were deposited onto Si wafer by electroless deposition from a metal salt solution including HF. The experimental results show that the growth rate and morphology of the pores formed on the Ag metalized Si surfaces are strongly dependent on the volume ratio of HF and H 2 O 2 .
Location: China
No related grants have been discovered for Heng Ye.