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Construction a sensor to accurately detect dopamine (DA) and hydrogen peroxide (HO) is meaningful due to their close relation to the health of organisms. In this work, one-step hydrothermal method was employed to synthesize hierarchical hollow hydrangea-like Fe@ɛ-MnO microspheres constructed by interconnected nanosheets, and the growth mechanism of the microspheres (n/n = 0.6) was also investigated in detail. The material was used to construct an electrochemical sensor for DA and HO detection with the linear range of 0.02-78 μmoL and 0.000133-5.19 mmoL, respectively. The detection limit and sensitivity for DA and HO are 5 and 50 nmoL (S/N = 3), 7034.1 and 242.6 µA m(mol·L) cm, respectively. Furthermore, the sensor was successfully applied to the detection of DA and HO in serum and urine samples, indicating a potential value of this work in the pharmaceutical and environmental fields.
This article was published in the following journal.
Name: Biosensors & bioelectronics
Hierarchical nanostructures (HNs) are possibly endowed with novel properties due to their complex three-dimensional (3D) structures. Here, we provide a novel stepwise growth strategy of Coordination C...
Rapidly increasing development of nuclear power stimulates the exploration of low-cost and highly efficient materials to selectively remove uranium (VI) from contaminated wastewater streams. Herein, w...
Herein we report the development of synthetic CaO-based sorbents for enhanced CO2 capture in calcium looping via a template-assisted synthesis approach, where carbonaceous spheres (CSs) derived from h...
Conductive Nb12O29 hierarchical microspheres with nanosheet shells were synthesized based on a hydrothermal process and a high-temperature hydrogen reduction treatment. The obtained materials demonstr...
The novel urchin-like and yolk-shell titania microspheres (henceforth called UYTMs) with nanowires/microspheres hierarchical structures were successfully synthesized by a synthetic sol-gel and hydroth...
Use of cutaneous electrochemical conductance for preclinical screening of small-caliber nerve fibers
The purpose of this study is to demonstrate comparability between Contour SE™ Microspheres and Embosphere® Microspheres for achieving post UFE fibroid devascularization in women with s...
This study evaluated the predictive value of β2-microspheres for postoperative delirium (POD) in the elderly after orthopedic surgery. For this purpose, the levels of β2-microspheres in ...
Diabetes mellitus is the leading cause of polyneuropathy in the Western world. Diabetic neuropathy is a frequent complication of diabetes and may have great clinical transcendence due to p...
The primary goal of this study is to investigate the qualitative and quantitative effects of scaling and root planing (SRP) with and without minocycline HCL microspheres, 1 mg on periodont...
A scanning probe microscopy technique that uses an ultramicroelectrode as the scanning probe that simultaneously records changes in electrochemical potential as it scans thereby creating topographical images with localized electrochemical information.
An electrochemical technique for measuring the current that flows in solution as a function of an applied voltage. The observed polarographic wave, resulting from the electrochemical response, depends on the way voltage is applied (linear sweep or differential pulse) and the type of electrode used. Usually a mercury drop electrode is used.
Membrane transporters that co-transport two or more dissimilar molecules in the opposite direction across a membrane. Usually the transport of one ion or molecule is against its electrochemical gradient and is "powered" by the movement of another ion or molecule with its electrochemical gradient.
Membrane transporters that co-transport two or more dissimilar molecules in the same direction across a membrane. Usually the transport of one ion or molecule is against its electrochemical gradient and is "powered" by the movement of another ion or molecule with its electrochemical gradient.
A plant genus of the family HYDRANGEACEAE. Members contain hydrangenol, thunberginols, hydramacrosides A and B, and secoiridoid glucosides.
Benign Prostatic Hyperplasia (BPH) Erectile Dysfunction Urology Urology is the branch of medicine concerned with the urinary tract and diseases that affect it. Examples include urethritis, urethrostenosis and incontinence. Urology is a su...