Bruker 900-MHz NMR (CSB)

Bruker 900-MHz Avance II

The Bruker 900-MHz Avance II spectrometer has a cryoprobe TXI probe with single, axis gradients, a room temperature TCI probe with triple axis gradients and temperature controller. The instrument is located at the Center for Structural Biology at the University of Illinois at Chicago.


Part Description
Magnet Bruker 900-MHz US²
Probes 1) TCI Cryoprobe with ¹H/²H/¹³C/¹⁵N pulsing and z-axis gradients
  2) TXI probe ¹H/²H/¹³C/¹⁵N with 3-axis gradients
Console Avance II
Software Topspin v1.3

Nutation Field Strengths

Nucleus Power Level pw90 Notes
1H (900.1MHz) -1.0 dB 12μs1 Hard pulse (<100μs)
13C (226.3MHz) 1.2 dB 15μs Hard pulse (<100μs)
  13.2 dB 60.0μs Decoupling pulse (<80ms)
15N (91.2MHz) -0.8 dB 45μs Hard pulse (<100μs)
  12.1 dB 200μs Decoupling pulse (<80ms)
  1. Calibrate on every sample 

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