Ratnakar SJ - Search Results

1

Oxidative Conversion of a Europium(II)-Based T1 Agent into a Europium(III)-Based paraCEST Agent that can be Detected In Vivo by Magnetic Resonance Imaging.

Funk AM, Clavijo Jordan V, Sherry AD, Ratnakar SJ, Kovacs Z. Funk AM, et al. Among authors: ratnakar sj. Angew Chem Int Ed Engl. 2016 Apr 11;55(16):5024-7. doi: 10.1002/anie.201511649. Epub 2016 Mar 8. Angew Chem Int Ed Engl. 2016. PMID: 26954661 Free PMC article.

2

Modulation of water exchange in europium(III) DOTA-tetraamide complexes via electronic substituent effects.

Ratnakar SJ, Woods M, Lubag AJ, Kovacs Z, Sherry AD. Ratnakar SJ, et al. J Am Chem Soc. 2008 Jan 9;130(1):6-7. doi: 10.1021/ja076325y. Epub 2007 Dec 8. J Am Chem Soc. 2008. PMID: 18067296 Free PMC article.

3

Multi-frequency PARACEST agents based on europium(III)-DOTA-tetraamide ligands.

Viswanathan S, Ratnakar SJ, Green KN, Kovacs Z, De León-Rodríguez LM, Sherry AD. Viswanathan S, et al. Among authors: ratnakar sj. Angew Chem Int Ed Engl. 2009;48(49):9330-3. doi: 10.1002/anie.200904649. Angew Chem Int Ed Engl. 2009. PMID: 19894248 Free PMC article. No abstract available.

4

Alternatives to gadolinium-based metal chelates for magnetic resonance imaging.

Viswanathan S, Kovacs Z, Green KN, Ratnakar SJ, Sherry AD. Viswanathan S, et al. Among authors: ratnakar sj. Chem Rev. 2010 May 12;110(5):2960-3018. doi: 10.1021/cr900284a. Chem Rev. 2010. PMID: 20397688 Free PMC article. Review. No abstract available.

5

Europium(III) DOTA-tetraamide complexes as redox-active MRI sensors.

Ratnakar SJ, Viswanathan S, Kovacs Z, Jindal AK, Green KN, Sherry AD. Ratnakar SJ, et al. J Am Chem Soc. 2012 Apr 4;134(13):5798-800. doi: 10.1021/ja211601k. Epub 2012 Mar 23. J Am Chem Soc. 2012. PMID: 22420507 Free PMC article.

6

Modulation of CEST images in vivo by T1 relaxation: a new approach in the design of responsive PARACEST agents.

Ratnakar SJ, Soesbe TC, Lumata LL, Do QN, Viswanathan S, Lin CY, Sherry AD, Kovacs Z. Ratnakar SJ, et al. J Am Chem Soc. 2013 Oct 9;135(40):14904-7. doi: 10.1021/ja406738y. Epub 2013 Sep 25. J Am Chem Soc. 2013. PMID: 24050192 Free PMC article.

7

Maximizing T2-exchange in Dy(3+)DOTA-(amide)X chelates: fine-tuning the water molecule exchange rate for enhanced T2 contrast in MRI.

Soesbe TC, Ratnakar SJ, Milne M, Zhang S, Do QN, Kovacs Z, Sherry AD. Soesbe TC, et al. Among authors: ratnakar sj. Magn Reson Med. 2014 Mar;71(3):1179-85. doi: 10.1002/mrm.25091. Magn Reson Med. 2014. PMID: 24390729 Free PMC article.

8

A Frequency-Selective pH-Responsive paraCEST Agent.

Ratnakar SJ, Chirayil S, Funk AM, Zhang S, Queiró JF, Geraldes CFGC, Kovacs Z, Sherry AD. Ratnakar SJ, et al. Angew Chem Int Ed Engl. 2020 Nov 23;59(48):21671-21676. doi: 10.1002/anie.202008888. Epub 2020 Oct 6. Angew Chem Int Ed Engl. 2020. PMID: 32726500 Free PMC article.

9

Activation of a PARACEST agent for MRI through selective outersphere interactions with phosphate diesters.

Huang CH, Hammell J, Ratnakar SJ, Sherry AD, Morrow JR. Huang CH, et al. Among authors: ratnakar sj. Inorg Chem. 2010 Jul 5;49(13):5963-70. doi: 10.1021/ic1004616. Inorg Chem. 2010. PMID: 20509631 Free PMC article.

10

BDPA: an efficient polarizing agent for fast dissolution dynamic nuclear polarization NMR spectroscopy.

Lumata L, Ratnakar SJ, Jindal A, Merritt M, Comment A, Malloy C, Sherry AD, Kovacs Z. Lumata L, et al. Among authors: ratnakar sj. Chemistry. 2011 Sep 19;17(39):10825-7. doi: 10.1002/chem.201102037. Epub 2011 Aug 25. Chemistry. 2011. PMID: 21919088 Free PMC article. No abstract available.

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