A cyclone includes a hollow cylindrical upper portion and a hollow conical lower portion having an inclined wall and a base wall. The base wall and the inclined wall are continuous contact with each other, and the inclined wall of the hollow conical lower portion is in continuous contact with an outer wall of the hollow cylindrical upper portion. A total cyclone height is from about 10 to about 30 millimeters, and a ratio of the total cyclone height to an inner diameter of the hollow cylindrical upper portion is from about 0.7 to about 1.3. An angle between an inner surface of the base wall and an inner surface of the inclined wall is from about 110 to about 130 degrees.

A particle size tracking system for providing predictive maintenance and battery tuning of hydrocyclones arranged in a battery configuration, featuring a control having a signal processor configured to: receive signaling containing information about particle sizes of material flowing in pipes of hydrocyclones arranged in a battery configuration; and determine corresponding signaling containing information to control the operation of each hydrocyclone arranged in the battery configuration, based upon the signaling received. The signal processor may be configured to provide the corresponding signal as control signaling to control the operation of each hydrocyclone arranged in the battery configuration.

Provided are an odor sniffing device (11) and a vehicle-mounted security inspection apparatus for a container (1). The odor sniffing device (11) includes a primary sampling front end (116), which has a vent adapter (116-1) having a shape matching with a vent of the ventilator of the container, so that when the primary sampling front end (116) fits with the ventilator, the vent adapter (116-1) and the vent generally cooperate to achieve fluid communication. The vehicle-mounted security inspection apparatus (1) may perform imaging inspection and chemical inspection simultaneously.

A system for nucleic acid amplification is to synthesize amplified target nucleic acids or determine the presence of target nucleic acid. The mobile device of the system implements with an interface for controlling the reaction as well as optionally recording or delivering the reaction results or protocols to a cloud for sharing. In addition, current invention also discloses an airborne molecule detector integrating both air sampler and biochemical analysis component. The device can monitor the bioaerosols on real time. The reaction product can be used for nucleic acid sequencing as well. Furthermore, a pH test strip is used to replace a halochromic agent in a reaction mix for determining the nucleic acid amplification.

In order to achieve improved determination of fine dust particles, a method is provided for determining particles of an aerosol whereby, in a first measuring step, aerosol is fed to an optical aerosol measuring device without being influenced by a controllable centrifugal separator, at least in a further measuring step aerosol is guided to the optical measuring device while being influenced by the centrifugal separator rotating at least at a speed deviating from the speed 0, and properties of the particles of the aerosol are determined from the received measurement signals of the optical measuring device in the first and in at least one further measuring step. A device is also provided, which has an optical sensor unit forming the measuring volume for recording particles, and is designed such that a separator for size- and/or mass-sensitive separation of particles is arranged upstream of the sensor unit.

An apparatus and a method for isolating and/or preparing particles are provided.

The present invention relates to a method for measuring condensable particulate matters formed from exhaust gas of an internal combustion engine, including the steps of sucking exhaust gas from the internal combustion engine; diluting the sucked exhaust gas to simulate it to atmospheric condition; a first measurement step of branching some of the exhaust gas of the atmospheric condition and measuring particulate matters including condensable particulate matters and filterable particulate matters; a second measurement step of branching the rest of the exhaust gas of the atmospheric condition to remove the condensable particulate matters and measuring the particulate matters including only the filterable particulate matters; and comparing the first measurement step and the second measurement step to calculate an amount of the condensable particulate matters in the exhaust gas of the atmospheric condition.

A detector inlet for providing a sample to an analytical apparatus for detecting an aerosol, the detector inlet comprising; an intake for inhaling a flow of gaseous fluid to be sampled by the analytical apparatus; a mixing region; a first conduit for carrying a first part of the flow of gaseous fluid from the intake to the mixing region; a second conduit for carrying a second part of the flow of gaseous fluid from the intake to the mixing region; and a heater configured to heat the first part more than the second part, and wherein the detector inlet is configured to combine the first part with the second part in the mixing region.

A device collects material from air. The device swirls air within a fluid housing so as to deposit the material, such as viruses, bacteria, fungi and other particles, from the air in a way that the material can later be analyzed. The device can be used to provide for detection of airborne organisms or properties of material in the air.

The invention provides a device and method for the real-time detection of aeropathogens. The device includes an aerosampler having an air inlet and at least one collector tube, a microfluidic system which includes a container, piping, a micro pump for flowing a liquid and a viral detection chamber. The viral detection chamber has an electrode which may be equipped with functionalized bio sensors, a counter electrode, an electronic detection system connectable to the electrodes of the viral detection chamber, and an embedded electronic processing system for processing data from the electronic detection system.