Raymond Wong

  This article describes how if peak broadening occurs due to sample solvent effects, the “co-injection” automatic pretreatment function included with Nexera XR systems can be used to improve peak ...

Mass spectrometry (MS) has now become an established analytical tool for analyzing biopolymers, such as nucleic acids, proteins, and glycans, thanks to the development of various soft ionization me...

If you would like to use a 6 port manifold attachment kit in your system. Please use the following part number.   228-72436-41 Manifold Attachment Kit   Alternatively use a 2nd flow selecti...

Ethyl acetate < Acetone < Chloroform < Methanol STD 6 5 mg/mL (20 uL) comparison Note: Acetone exhibits a UV signal at the T0 as well.  

Injection volume and sample concentration are studied to select the proper loading amount. There are two methods to increase loading amount: “Concentration Load” (increasing concentration of the sa...

+/- Racemic Verapamil is prescribed as treatment for Angina. Although one enantiomer is more potent. System: Nexera UC - SFC System Mobile phase: 20% 15 mM Ammonium acetate in IPA : 80% supercritic...

Buffers can cause various problems in the lab. Two common problems include surprising rises in HPLC-MS backpressures when starting the instrument after overnight storage and difficulties with MS se...

Buffers can cause various problems in the lab. Two common problems include surprising rises in HPLC-MS backpressures when starting the instrument after overnight storage and difficulties with MS se...

Buffers can cause various problems in the lab. Two common problems include surprising rises in HPLC-MS backpressures when starting the instrument after overnight storage and difficulties with MS se...

For gravimetric monitoring of mobile phase levels in real-time and active warnings. The MPM options can be added to your system. Notes: One Main Unit Controller handles up to 6 bottle holders (e.g....