Mimicking this system, the researchers coated air filters with a thin film of oil between 200 to 500 nanometers thick. This ...

The presence of anthropogenically emitted chlorinated paraffins (CPs) has been reported in the pristine regions, providing evidence of their long-range transport. This study comprehensively analyzed ...

Fentanyl-sniffing sensor outperforms dogs at border, detecting airborne drugs in seconds with pinpoint accuracy.

In this paper, we report a new prototype of the particle excitation flow control valve to control flow rate continuously. The purpose of this study is the development of the valve that can precisely ...

What is PM2.5? Hazardous airborne particles and chemicals can come in a variety of forms, and from a variety of sources, even some natural ones. Wind-blown desert and mineral dust, wildfires, ...

These are the best air purifiers for pets, from Levoit Vital 200S and AirDoctor AD3500 to SwitchBot Table Air Purifier.

These are the best air purifiers you can buy in every category, from Levoit Core 600S and BlueAir Blue Pure 411i Max to Dyson ...

People in the Ukrainian capital spend their evenings clinging to the normal things of life—for as long as the air-raid sirens allow.

The clean room was equipped with a high efficiency air filter (HEPA) and supplied with outside air under positive pressure to maintain a minimal concentration of ambient particles. During the ...

A 100-channel pulse height analyzer for displaying particle size distributions from the output of a ZBI Coulter counter has been built using readily available low cost IC's. An outline of the complete ...