Hyperpolarized Xe NMR signal advancement by metal-organic framework entrapment in aqueous solution [Chemistry]

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Hyperpolarized Xe NMR signal advancement by metal-organic framework entrapment in aqueous solution [Chemistry]

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NMR processing:

MDD

NMR assignment:

Backbone:

Side-chains:

NOEs:

Structure from NMR restraints:

Ab initio:

Fragment-based:

Rosetta-NMR (Robetta)

Template-based:

GeNMR

I-TASSER

Refinement:

Amber

Structure from chemical shifts:

Fragment-based:

Homology-based:

Torsion angles from chemical shifts:

Preditor

TALOS

Promega- Proline

Secondary structure from chemical shifts:

CSI (via RCI server)

TALOS

MICS caps, β-turns

d2D

PECAN

Flexibility from chemical shifts:

RCI

Interactions from chemical shifts:

HADDOCK

Chemical shifts re-referencing:

NMR model quality:

NOEs, other restraints:

Chemical shifts:

RDCs:

Pseudocontact shifts:

Protein geomtery:

SAVES2 or SAVES4

Quality Control Check

NMR spectrum prediction:

FANDAS

MestReS

V-NMR

Flexibility from structure:

Backbone S2

Methyl S2

B-factor

Molecular dynamics:

Gromacs

Amber

Antechamber

Chemical shifts prediction:

From structure:

Shiftx2

Sparta+

Camshift

CH3shift- Methyl

ArShift- Aromatic

ShiftS

Proshift

PPM

CheShift-2- Cα

From sequence:

Shifty

Camcoil

Poulsen_rc_CS

Disordered proteins:

MAXOCC

Format conversion & validation:

CCPN

From NMR-STAR 3.1

Validate NMR-STAR 3.1

NMR sample preparation:

Protein disorder:

DisMeta

Protein solubility:

Isotope labeling:

Solid-state NMR:

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07-29-2020, 05:17 AM

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Hyperpolarized Xe NMR signal advancement by metal-organic framework entrapment in aqueous solution [Chemistry]

Hyperpolarized Xe NMR signal advancement by metal-organic framework entrapment in aqueous solution [Chemistry]

Qingbin Zeng, Binglin Bie, Qianni Guo, Yaping Yuan, Qi Han, Xiaocang Han, Mingwei Chen, Xu Zhang, Yunhuang Yang, Maili Liu, Pan Liu, Hexiang Deng, Xin Zhou...
Date: 2020-07-28

We report hyperpolarized Xe signal advancement by metal-organic framework (MOF) entrapment (Hyper-SAME) in aqueous solution. The 129Xe NMR signal is drastically promoted by entrapping the Xe into the pores of MOFs. The chemical shift of entrapped 129Xe is clearly distinguishable from that of free 129Xe in water, due to the... Read More

PNAS:
Number: 30
Volume: 117

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