Apparatus and method for thermal assisted desorption ionization systems

J Krechmer, BD Musselman - US Patent 10,643,833, 2020 - Google Patents
The present invention is directed to a method and device to desorb an analyte using heat to
allow desorption of the analyte molecules, where the desorbed analyte molecules are …

Apparatus and method for sampling

BD Musselman - US Patent 10,643,834, 2020 - Google Patents
In various embodiments of the invention, a cargo container can be monitored at appropriate
time intervals to determine that no controlled substances have been shipped with the cargo …

Apparatus and method for generating chemical signatures using differential desorption

BD Musselman - US Patent 10,553,417, 2020 - Google Patents
The present invention is directed to a method and device to generate a chemical signature
for a mixture of analytes. The present invention involves using a SPME surface to one or …

Apparatus and method for thermal assisted desorption ionization systems

J Krechmer, BD Musselman - US Patent 11,049,707, 2021 - Google Patents
The present invention is directed to a method and device to desorb an analyte using heat to
allow desorption of the analyte molecules, where the desorbed analyte molecules are …

Pulsatile flow atmospheric real time ionization

S Oro, BD Musselman - US Patent 11,424,116, 2022 - Google Patents
In an embodiment of the present ambient ionization experiment, the abundance of
background chemicals relative to ions of interest is decreased by pulsing the carrier gas …

Electrostatic loading of powder samples for ionization

BD Musselman, F Li - US Patent 11,913,861, 2024 - Google Patents
Methods and devices for pretreatment of a conducting sampling substrate which enable an
electrostatic charge to be used to transfer analyte molecules onto a sampling substrate …

Apparatus and method for thermal assisted desorption ionization systems

J Krechmer, BD Musselman - US Patent 11,742,194, 2023 - Google Patents
The present invention is directed to a method and device to desorb an analyte using heat to
allow desorption of the analyte molecules, where the desorbed analyte molecules are …

Liquid electrode tip

N Johnson, A Palmgren, A Nelson - US Patent 11,150,192, 2021 - Google Patents
A liquid electrode tip has a housing with a top, a bottom and at least one peripheral side
wall. The housing has a liquid inlet and a liquid outlet. The liquid outlet is located at the top …

Solution electrode glow discharge apparatus

N Johnson, A Palmgren - US Patent 11,133,146, 2021 - Google Patents
A solution electrode glow discharge apparatus has a housing that contains a solid electrode.
The solid electrode has a head and a tip. The tip of the solid electrode extends outwards …

Apparatus for analyzing the elemental composition of a liquid sample and methods of using the same

A Obuchowska - US Patent 11,474,042, 2022 - Google Patents
A device and method is described for analysing the elemental composition of a liquid
sample utilizing a combination of electrochemical pre-concentration followed by …