For
advanced flexible strain sensors, it is not difficult to achieve
high sensitivity only. However, integrating high sensitivity, high
stability, and high durability into one sensor still remains a great
challenge. Fortunately, natural creatures with diversified excellent
performances have given us a lot of ready-made solutions. Here, scorpion
and spiderweb are selected as coupling bionic prototypes, which are
famous for their ultrasensitive sensing capacity and excellent structural
durability, respectively. Based on that, a bioinspired strain sensor
is successfully fabricated. The results demonstrate that the bioinspired
strain sensor has a sensitivity of 940.5 in the strain range of 0–1.5%
and a sensitivity of 2742.3 between 1.5 and 2.5%. Meantime, this sensor
with a spiderweb-like reticular structure has a great improvement
in stability and durability. Specifically, the sensor exhibits excellent
stability during bending and stretching cycles over 80,000 times.
Moreover, the response time and recovery time of the sensor are 169
and 195 ms, respectively. Besides, the sensor also has functions such
as vibrating frequency identification due to its low hysteresis. Based
on the excellent performance, the sensor can be applied to monitor
human body motions serving as wearable electronics.
As a natural active ingredient, lactic acid bacteria have potential anti-inflammatory effects. In this study, male C57BL/6J mice were given high-fat diet (HFD) to establish an obese mouse model. Lactobacillus...
With the increasing consumer demand for low-fat and low-cholesterol foods, low-fat mayonnaise prepared from soybean oil body (SOB) substitute for egg yolk has great consumption potential. However, based on previous studies, it was found that the stability and sensory properties of mayonnaise substituted with SOB were affected due to there being less lecithin and SOB containing more water. Therefore, this study investigated the effects of different ratios of xanthan gum, pectin and modified starch as stabilizers on the apparent viscosity, stability, texture and microstructure of SOB-substituted mayonnaise. It was found that the apparent viscosity and stability of SOB-substituted mayonnaise increased significantly when xanthan gum, pectin and modified starch were added in a ratio of 2:1:1. Meanwhile, the emulsified oil droplets of SOB-substituted mayonnaise were similar in size and uniformly dispersed in the emulsion system with different thickener formulations. In addition, the storage stability of SOB-substituted mayonnaise was explored. Compared with full egg yolk mayonnaise, SOB-substituted mayonnaise had better oxidative stability and bacteriostatic, which is important for the storage of mayonnaise. This study provided a theoretical basis for the food industry application of SOB. Meanwhile, this study provided new ideas for the development and storage of low-fat mayonnaise.
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