Skip to Content
You are currently on the new version of our website. Access the old version .

12 Results Found

  • Article
  • Open Access
12 Citations
3,529 Views
15 Pages

5 September 2022

The virtual impactor, as an atmospheric particle classification chip, provides scientific guidance for identifying the characteristics of particle composition. Most of the studies related to virtual impactors focus on their size structure design, and...

(This article belongs to the Topic Advances in Microfluidics and Lab on a Chip Technology)
  • Article
  • Open Access
10 Citations
3,581 Views
15 Pages

23 February 2022

The increasing air pollution across the globe has given rise to a global health crisis that is increasing at an alarming rate. Every year, millions of people lose their lives due to health risks caused by air pollutants. Hence, there is a pressing ne...

(This article belongs to the Special Issue MEMS Sensors and Actuators)
  • Article
  • Open Access
893 Views
18 Pages

Low-Temperature Carbon Dioxide-Enabled Virtual Impactor: Improved Cutoff Performance for Fine Particle Sorting

  • Heng Zhao,
  • Jiachao Zhang,
  • Shiyu Ge,
  • Dengxin Hua and ,
  • Sipu Zhang,
  • Yao Zhang and
  • Fangfang Qian
  • + 2 authors+ 0 author

27 February 2026

Virtual impactors are widely used for particulate matter (PM) classification due to their advantages of small cut-off particle size, simple structural design, ease of operation, and high particle handling capability, enabling subsequent analysis base...

(This article belongs to the Section Aerosols)
  • Article
  • Open Access
1 Citations
2,423 Views
20 Pages

24 January 2024

In recent years, the escalating risk of natural disasters caused by Near-Earth Objects (NEOs) has garnered heightened scrutiny, particularly in the aftermath of the 2013 Chelyabinsk event. This has prompted increased interest from governmental and su...

(This article belongs to the Section E4: Mathematical Physics)
  • Article
  • Open Access
28 Citations
10,904 Views
14 Pages

12 April 2010

We designed and fabricated a new sensing system which consists of two virtual impactors and two quartz-crystal microbalance (QCM) sensors for measuring particle mass concentration and size distribution. The virtual impactors utilized different inerti...

(This article belongs to the Section Chemical Sensors)
  • Article
  • Open Access
6 Citations
2,774 Views
15 Pages

11 January 2023

Atmospheric particulate pollution poses a great danger to the environment and human health, and there is a strong need to develop equipment for collecting and separating particulate matter of different particle sizes to study the effects of particula...

(This article belongs to the Special Issue Design, Optimization, Fabrication and Applications of Microfluidic Devices)
  • Article
  • Open Access
26 Citations
8,300 Views
13 Pages

A Novel Particulate Matter 2.5 Sensor Based on Surface Acoustic Wave Technology

  • Jiuling Liu,
  • Wenchang Hao,
  • Minghua Liu,
  • Yong Liang and
  • Shitang He

9 January 2018

Design, fabrication and experiments of a miniature particulate matter (PM) 2.5 sensor based on the surface acoustic wave (SAW) technology were proposed. The sensor contains a virtual impactor (VI) for particle separation, a thermophoretic precipitato...

(This article belongs to the Section Acoustics and Vibrations)
  • Review
  • Open Access
28 Citations
9,334 Views
34 Pages

18 July 2019

Most of the microfluidics-related literature describes devices handling liquids, with only a small part dealing with gas-based applications, and a much smaller number of papers are devoted to the separation and/or detection of airborne inorganic part...

(This article belongs to the Special Issue Nanoparticles on Microfluidic Platforms)
  • Article
  • Open Access
9 Citations
3,492 Views
12 Pages

Design and Simulation of Aerosol Inlet System for Particulate Matter with a Wide Size Range

  • Xubing Du,
  • Zeming Zhuo,
  • Xue Li,
  • Xuan Li and ,
  • Mei Li,
  • Junlin Yang,
  • Zhen Zhou,
  • Wei Gao,
  • Zhengxu Huang and
  • Lei Li
  • + 5 authors+ 0 author

31 March 2023

A novel aerodynamic lens-based inlet system was developed for a wide particle size range, and it could extend the size range of transmitted particulate matter (PM) to 50 nm–10 μm. The lens system adopted a seven-stage aerodynamic focusing or...

(This article belongs to the Section Atmospheric Techniques, Instruments, and Modeling)
  • Article
  • Open Access
15 Citations
4,685 Views
13 Pages

Design and Analysis of Particulate Matter Air-Microfluidic Grading Chip Based on MEMS

  • Tingting Chen,
  • Jianhai Sun,
  • Tianjun Ma,
  • Tong Li and ,
  • Chang Liu,
  • Xiaofeng Zhu and
  • Ning Xue
  • + 2 authors+ 0 author

26 July 2019

Atmospheric particulate matter (PM) air-microfluidic grading chip is the premise for realizing high-precision PM online monitoring. It can be used as an indispensable basis for identifying pollution sources and controlling inhalable harmful substance...

(This article belongs to the Special Issue MEMS/NEMS Sensors: Fabrication and Application, Volume II)
  • Article
  • Open Access
13 Citations
3,675 Views
25 Pages

Identification of the LLDPE Constitutive Material Model for Energy Absorption in Impact Applications

  • Luděk Hynčík,
  • Petra Kochová,
  • Jan Špička,
  • Tomasz Bońkowski and ,
  • Robert Cimrman,
  • Sandra Kaňáková,
  • Radek Kottner and
  • Miloslav Pašek
  • + 3 authors+ 0 author

11 May 2021

Current industrial trends bring new challenges in energy absorbing systems. Polymer materials as the traditional packaging materials seem to be promising due to their low weight, structure, and production price. Based on the review, the linear low-de...

(This article belongs to the Section Polymer Analysis and Characterization)
  • Article
  • Open Access
7 Citations
5,298 Views
14 Pages

9 February 2018

This laboratory study evaluates an experimental set-up to study the immersion freezing properties of ice residuals (IRs) at a temperature ranging from −26 to −34 °C using two continuous-flow diffusion chamber-style ice nucleation chambers coupled wit...

(This article belongs to the Special Issue Morphology and Internal Mixing of Atmospheric Particles)