Heavy metal pollution, especially lead (Pb) and mercury (Hg), has always been a major concern in the fields of environment and food safety. Even trace levels of lead and mercury can cause serious damage to the human nervous system. Traditional detection methods, such as inductively coupled plasma mass spectrometry, although precise, are expensive in equipment, complex in operation, and have long detection cycles, making it difficult to meet the needs of rapid on-site detection.

The pneumatic hammer, as an indispensable impact vibration device in industrial production, is widely used in fields such as material conveying, product testing, and oil and gas drilling. The stability of its vibration parameters directly determines production efficiency, product quality, and operational safety.

In high-end fields such as precision manufacturing, scientific research experiments, and aerospace, small vibrations are like invisible killers. Even nanoscale displacements can lead to experimental failures, equipment damage, or product accuracy not meeting standards.

In the practical application of flexible piezoresistive sensors, pursuing a balance of high sensitivity, wide detection range, and excellent durability remains a core challenge. This study reports a flexible piezoresistive sensor with a sandwich structure, whose core sensing material is a carbon reduced graphene oxide film (C-rMOF) and encapsulated with polydimethylsiloxane (PDMS) C-rGOF@PDMS ）.

This review was completed by Professor Li Guoliang's team from Shaanxi University of Science and Technology, systematically proposing and analyzing novel strategies for bacteriophage biosensors in detecting foodborne pathogens, with a focus on amplification techniques across the entire chain from "recognition elements" to "signal transduction.

In high-end fields such as aerospace, industrial manufacturing, and national defense equipment, sensors often need to achieve precise data acquisition in micro spaces under extreme working conditions involving high-temperature exposure and severe impacts, imposing stringent requirements on sensor structural design and performance.