The fragmentation pattern of a homologous series of piperidine alkaloids isolated from S. spectabilis was investigated using electrospray ionization tandem mass spectrometry (ESI-MS/MS). The ESI-MS ...

An adaptation of her 19th-century-set novel “Washington Black” is streaming on Hulu. But she’s not totally comfortable with the historical fiction label. Credit...Rebecca Clarke Supported by In an ...

Thomas Hill resigned as CEO of Idaho contractor Engineered Structures Inc. Feb. 24. Image courtesy Engineered Structures Inc. February 26, 2025 Thomas Hill resigned Feb. 24 from his job as CEO of ...

In 1902, physicist Philipp Lenard discovered that the breaking of water droplets in waves, waterfalls, rain, or mist releases negative ions into the air. This occurs because, upon breaking, the ...

Update: The CEO of a Meridian construction company resigned from his position Monday afternoon after a video of him performing a Nazi salute during a company event went viral online. Tom Hill, of ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Electrospray ionization (ESI) remains the dominant technique in mass spectrometry (MS) ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. A previous comparative study between helium and nitrogen as nebulizing and desolvation ...

Mars 'I was not looking for this': Scientist accidentally finds shortcut to Mars that could slash travel time in half Engineering Quantum battery charges in a quadrillionth of a second with a laser — ...

Evidence plays a pivotal role in shaping the outcome of cases. One evidentiary ruling could affect the outcome of the case. Most relevant evidence is typically deemed admissible after a proper ...

Abstract: Here we describe a suite of experiments probing the ability of ESI propulsion sources to serve as TOF-MS ionization stages in pure vacuum operation. The goals of the study are to assess the ...

The variation among individual cells plays a significant role in many biological functions. Single-cell analysis is advantageous for gaining insight into intricate biochemical mechanisms rarely ...