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Introduction to special collection on New Scientific Methods for Cultural Heritage.

Warren WS.

Sci Adv. 2019 Oct 2;5(10):eaaz3323. doi: 10.1126/sciadv.aaz3323. eCollection 2019 Oct. No abstract available.


Case report of sudden death in a twin infant given melatonin supplementation: A challenging interpretation of postmortem toxicology.

Shimomura ET, Briones AJ, Gordon CJ, Warren WS, Jackson GF.

Forensic Sci Int. 2019 Sep 26;304:109962. doi: 10.1016/j.forsciint.2019.109962. [Epub ahead of print]


Decoupled LIGHT-SABRE variants allow hyperpolarization of asymmetric SABRE systems at an arbitrary field.

Lindale JR, Tanner CPN, Eriksson SL, Warren WS.

J Magn Reson. 2019 Oct;307:106577. doi: 10.1016/j.jmr.2019.106577. Epub 2019 Aug 17.


Iodonitrene in Action: Direct Transformation of Amino Acids into Terminal Diazirines and 15N2-Diazirines and Their Application as Hyperpolarized Markers.

Glachet T, Marzag H, Saraiva Rosa N, Colell JFP, Zhang G, Warren WS, Franck X, Theis T, Reboul V.

J Am Chem Soc. 2019 Aug 28;141(34):13689-13696. doi: 10.1021/jacs.9b07035. Epub 2019 Aug 15.


Selective hyperpolarization of heteronuclear singlet states via pulsed microtesla SABRE.

Tanner CPN, Lindale JR, Eriksson SL, Zhou Z, Colell JFP, Theis T, Warren WS.

J Chem Phys. 2019 Jul 28;151(4):044201. doi: 10.1063/1.5108644.


Quasi-Resonance Fluorine-19 Signal Amplification by Reversible Exchange.

Ariyasingha NM, Lindale JR, Eriksson SL, Clark GP, Theis T, Shchepin RV, Chukanov NV, Kovtunov KV, Koptyug IV, Warren WS, Chekmenev EY.

J Phys Chem Lett. 2019 Aug 1;10(15):4229-4236. doi: 10.1021/acs.jpclett.9b01505. Epub 2019 Jul 16.


Visualization of vermilion degradation using pump-probe microscopy.

Yu J, Warren WS, Fischer MC.

Sci Adv. 2019 Jun 21;5(6):eaaw3136. doi: 10.1126/sciadv.aaw3136. eCollection 2019 Jun.


Analysis of Melanin Structure and Biochemical Composition in Conjunctival Melanocytic Lesions Using Pump-Probe Microscopy.

Robles FE, Deb S, Vajzovic L, Vora GK, Mruthyunjaya P, Warren WS.

Transl Vis Sci Technol. 2019 Jun 4;8(3):33. doi: 10.1167/tvst.8.3.33. eCollection 2019 May.


Terminal Diazirines Enable Reverse Polarization Transfer from 15 N2 Singlets.

Zhang G, Colell JFP, Glachet T, Lindale JR, Reboul V, Theis T, Warren WS.

Angew Chem Int Ed Engl. 2019 Aug 5;58(32):11118-11124. doi: 10.1002/anie.201904026. Epub 2019 Jul 3. Review.


Unraveling the molecular nature of melanin changes in metastatic cancer.

Ju KY, Degan S, Fischer MC, Zhou KC, Jia X, Yu J, Warren WS.

J Biomed Opt. 2019 Apr;24(5):1-13. doi: 10.1117/1.JBO.24.5.051414.


Hyperpolarizing Concentrated Metronidazole 15 NO2 Group over Six Chemical Bonds with More than 15 % Polarization and a 20 Minute Lifetime.

Shchepin RV, Birchall JR, Chukanov NV, Kovtunov KV, Koptyug IV, Theis T, Warren WS, Gelovani JG, Goodson BM, Shokouhi S, Rosen MS, Yen YF, Pham W, Chekmenev EY.

Chemistry. 2019 Jul 2;25(37):8829-8836. doi: 10.1002/chem.201901192. Epub 2019 May 30.


Unveiling coherently driven hyperpolarization dynamics in signal amplification by reversible exchange.

Lindale JR, Eriksson SL, Tanner CPN, Zhou Z, Colell JFP, Zhang G, Bae J, Chekmenev EY, Theis T, Warren WS.

Nat Commun. 2019 Jan 23;10(1):395. doi: 10.1038/s41467-019-08298-8.


Understanding the Role of Aggregation in the Broad Absorption Bands of Eumelanin.

Ju KY, Fischer MC, Warren WS.

ACS Nano. 2018 Dec 26;12(12):12050-12061. doi: 10.1021/acsnano.8b04905. Epub 2018 Dec 5.


Grain-Resolved Ultrafast Photophysics in Cu2BaSnS4- xSe x Semiconductors Using Pump-Probe Diffuse Reflectance Spectroscopy and Microscopy.

Ghadiri E, Shin D, Shafiee A, Warren WS, Mitzi DB.

ACS Appl Mater Interfaces. 2018 Nov 21;10(46):39615-39623. doi: 10.1021/acsami.8b12307. Epub 2018 Nov 12.


Spectroscopic Differentiation and Microscopic Imaging of Red Organic Pigments Using Optical Pump-Probe Contrast.

Yu J, Warren WS, Fischer MC.

Anal Chem. 2018 Nov 6;90(21):12686-12691. doi: 10.1021/acs.analchem.8b02949. Epub 2018 Oct 25.


Quasi-Resonance Signal Amplification by Reversible Exchange.

Theis T, Ariyasingha NM, Shchepin RV, Lindale JR, Warren WS, Chekmenev EY.

J Phys Chem Lett. 2018 Oct 18;9(20):6136-6142. doi: 10.1021/acs.jpclett.8b02669. Epub 2018 Oct 10.


Spin Relays Enable Efficient Long-Range Heteronuclear Signal Amplification By Reversible Exchange.

Shchepin RV, Jaigirdar L, Theis T, Warren WS, Goodson BM, Chekmenev EY.

J Phys Chem C Nanomater Interfaces. 2017 Dec 28;121(51):28425-28434. doi: 10.1021/acs.jpcc.7b11485. Epub 2017 Dec 1.


15N4-1,2,4,5-tetrazines as potential molecular tags: Integrating bioorthogonal chemistry with hyperpolarization and unearthing para-N2.

Bae J, Zhou Z, Theis T, Warren WS, Wang Q.

Sci Adv. 2018 Mar 9;4(3):eaar2978. doi: 10.1126/sciadv.aar2978. eCollection 2018 Mar.


Stimulated Raman scattering spectroscopic optical coherence tomography.

Robles FE, Zhou KC, Fischer MC, Warren WS.

Optica. 2017 Feb;4(2):243-246. doi: 10.1364/OPTICA.4.000243. Epub 2017 Feb 14.


Correction to: The changing landscape of dermatology practice: melanoma and pump-probe laser microscopy.

Puza CJ, Warren WS, Mosca PJ.

Lasers Med Sci. 2017 Dec;32(9):2173. doi: 10.1007/s10103-017-2339-y.


The changing landscape of dermatology practice: melanoma and pump-probe laser microscopy.

Puza CJ, Warren WS, Mosca PJ.

Lasers Med Sci. 2017 Nov;32(8):1935-1939. doi: 10.1007/s10103-017-2319-2. Epub 2017 Sep 11. Review. Erratum in: Lasers Med Sci. 2017 Dec;32(9):2173. Warren WS [added].


Comparison of pump-probe and hyperspectral imaging in unstained histology sections of pigmented lesions.

Wilson JW, Robles FE, Deb S, Warren WS, Fischer MC.

Biomed Opt Express. 2017 Jul 31;8(8):3882-3890. doi: 10.1364/BOE.8.003882. eCollection 2017 Aug 1.


Diazirines as Potential Molecular Imaging Tags: Probing the Requirements for Efficient and Long-Lived SABRE-Induced Hyperpolarization.

Shen K, Logan AWJ, Colell JFP, Bae J, Ortiz GX Jr, Theis T, Warren WS, Malcolmson SJ, Wang Q.

Angew Chem Int Ed Engl. 2017 Sep 25;56(40):12112-12116. doi: 10.1002/anie.201704970. Epub 2017 Jul 24.


Long-Lived 13C2 Nuclear Spin States Hyperpolarized by Parahydrogen in Reversible Exchange at Microtesla Fields.

Zhou Z, Yu J, Colell JFP, Laasner R, Logan A, Barskiy DA, Shchepin RV, Chekmenev EY, Blum V, Warren WS, Theis T.

J Phys Chem Lett. 2017 Jul 6;8(13):3008-3014. doi: 10.1021/acs.jpclett.7b00987. Epub 2017 Jun 19.


Toward Hyperpolarized 19 F Molecular Imaging via Reversible Exchange with Parahydrogen.

Shchepin RV, Goodson BM, Theis T, Warren WS, Chekmenev EY.

Chemphyschem. 2017 Aug 5;18(15):1961-1965. doi: 10.1002/cphc.201700594. Epub 2017 Jun 13.


The Absence of Quadrupolar Nuclei Facilitates Efficient 13 C Hyperpolarization via Reversible Exchange with Parahydrogen.

Barskiy DA, Shchepin RV, Tanner CPN, Colell JFP, Goodson BM, Theis T, Warren WS, Chekmenev EY.

Chemphyschem. 2017 Jun 20;18(12):1493-1498. doi: 10.1002/cphc.201700416. Epub 2017 May 18.


Direct Hyperpolarization of Nitrogen-15 in Aqueous Media with Parahydrogen in Reversible Exchange.

Colell JFP, Emondts M, Logan AWJ, Shen K, Bae J, Shchepin RV, Ortiz GX Jr, Spannring P, Wang Q, Malcolmson SJ, Chekmenev EY, Feiters MC, Rutjes FPJT, Blümich B, Theis T, Warren WS.

J Am Chem Soc. 2017 Jun 14;139(23):7761-7767. doi: 10.1021/jacs.7b00569. Epub 2017 May 30.


Generalizing, Extending, and Maximizing Nitrogen-15 Hyperpolarization Induced by Parahydrogen in Reversible Exchange.

Colell JF, Logan AW, Zhou Z, Shchepin RV, Barskiy DA, Ortiz GX Jr, Wang Q, Malcolmson SJ, Chekmenev EY, Warren WS, Theis T.

J Phys Chem C Nanomater Interfaces. 2017 Mar 30;121(12):6626-6634. doi: 10.1021/acs.jpcc.6b12097. Epub 2017 Feb 2.


Label-Free Imaging of Female Genital Tract Melanocytic Lesions With Pump-Probe Microscopy: A Promising Diagnostic Tool.

Robles FE, Deb S, Fischer MC, Warren WS, Selim MA.

J Low Genit Tract Dis. 2017 Apr;21(2):137-144. doi: 10.1097/LGT.0000000000000290.


Computed Tomographic Findings in Unsuspected Aortic Dissection and Adult Polycystic Kidney Disease.

Harcke HT, Warren WS, Gordon CJ, Mazuchowski EL.

Acad Forensic Pathol. 2016 Dec;6(4):673-678. doi: 10.23907/2016.063. Epub 2016 Dec 1.


Dual-wavelength pump-probe microscopy analysis of melanin composition.

Thompson A, Robles FE, Wilson JW, Deb S, Calderbank R, Warren WS.

Sci Rep. 2016 Nov 11;6:36871. doi: 10.1038/srep36871.


Obituary: Ahmed Hassan Zewail (1946-2016).

Warren WS.

Nature. 2016 Sep 8;537(7619):168. doi: 10.1038/537168a. No abstract available.


Case Report of Methylone, Oxymorphone and Ethanol in a Fatality Case with Tissue Distribution.

Shimomura ET, Briones AJ, Warren WS, Addison JW, Knittel JL, Shoemaker SA, King TD, Bosy TZ.

J Anal Toxicol. 2016 Sep;40(7):543-5. doi: 10.1093/jat/bkw045. Epub 2016 Jul 11.


15N Hyperpolarization of Imidazole-15N2 for Magnetic Resonance pH Sensing via SABRE-SHEATH.

Shchepin RV, Barskiy DA, Coffey AM, Theis T, Shi F, Warren WS, Goodson BM, Chekmenev EY.

ACS Sens. 2016 Jun 24;1(6):640-644. Epub 2016 Apr 14.


Over 20% (15)N Hyperpolarization in Under One Minute for Metronidazole, an Antibiotic and Hypoxia Probe.

Barskiy DA, Shchepin RV, Coffey AM, Theis T, Warren WS, Goodson BM, Chekmenev EY.

J Am Chem Soc. 2016 Jul 6;138(26):8080-3. doi: 10.1021/jacs.6b04784. Epub 2016 Jun 23.


Hyperpolarization of Nitrogen-15 Schiff Bases by Reversible Exchange Catalysis with para-Hydrogen.

Logan AW, Theis T, Colell JF, Warren WS, Malcolmson SJ.

Chemistry. 2016 Jul 25;22(31):10777-81. doi: 10.1002/chem.201602393. Epub 2016 Jun 22.


Direct and cost-efficient hyperpolarization of long-lived nuclear spin states on universal (15)N2-diazirine molecular tags.

Theis T, Ortiz GX Jr, Logan AW, Claytor KE, Feng Y, Huhn WP, Blum V, Malcolmson SJ, Chekmenev EY, Wang Q, Warren WS.

Sci Adv. 2016 Mar 25;2(3):e1501438. doi: 10.1126/sciadv.1501438. eCollection 2016 Mar.


Invited Review Article: Pump-probe microscopy.

Fischer MC, Wilson JW, Robles FE, Warren WS.

Rev Sci Instrum. 2016 Mar;87(3):031101. doi: 10.1063/1.4943211. Review.


Dispersion-based stimulated Raman scattering spectroscopy, holography, and optical coherence tomography.

Robles FE, Fischer MC, Warren WS.

Opt Express. 2016 Jan 11;24(1):485-98. doi: 10.1364/OE.24.000485.


Accessing long lived (1)H states via (2)H couplings.

Zhou Z, Claytor K, Warren WS, Theis T.

J Magn Reson. 2016 Feb;263:108-115. doi: 10.1016/j.jmr.2015.12.020. Epub 2016 Jan 4.


Pump-probe imaging of pigmented cutaneous melanoma primary lesions gives insight into metastatic potential.

Robles FE, Deb S, Wilson JW, Gainey CS, Selim MA, Mosca PJ, Tyler DS, Fischer MC, Warren WS.

Biomed Opt Express. 2015 Aug 27;6(9):3631-45. doi: 10.1364/BOE.6.003631. eCollection 2015 Sep 1.


Multi-spin echo spatial encoding provides three-fold improvement of temperature precision during intermolecular zero quantum thermometry.

Davis RM, Zhou Z, Chung H, Warren WS.

Magn Reson Med. 2016 May;75(5):1958-66. doi: 10.1002/mrm.25789. Epub 2015 Jun 16.


Hyperpolarization of "Neat" Liquids by NMR Signal Amplification by Reversible Exchange.

Shchepin RV, Truong ML, Theis T, Coffey AM, Shi F, Waddell KW, Warren WS, Goodson BM, Chekmenev EY.

J Phys Chem Lett. 2015 May 21;6(10):1961-7.


15N Hyperpolarization by Reversible Exchange Using SABRE-SHEATH.

Truong ML, Theis T, Coffey AM, Shchepin RV, Waddell KW, Shi F, Goodson BM, Warren WS, Chekmenev EY.

J Phys Chem C Nanomater Interfaces. 2015 Apr 23;119(16):8786-8797. Epub 2015 Mar 30.


Microtesla SABRE enables 10% nitrogen-15 nuclear spin polarization.

Theis T, Truong ML, Coffey AM, Shchepin RV, Waddell KW, Shi F, Goodson BM, Warren WS, Chekmenev EY.

J Am Chem Soc. 2015 Feb 4;137(4):1404-7. doi: 10.1021/ja512242d. Epub 2015 Jan 26.


Comparing in vivo pump-probe and multiphoton fluorescence microscopy of melanoma and pigmented lesions.

Wilson JW, Degan S, Gainey CS, Mitropoulos T, Simpson MJ, Zhang JY, Warren WS.

J Biomed Opt. 2015 May;20(5):051012. doi: 10.1117/1.JBO.20.5.051012.


Femtosecond pulse train shaping improves two-photon excited fluorescence measurements.

Park JK, Fischer MC, Susumu K, Therien MJ, Warren WS.

Opt Lett. 2014 Oct 1;39(19):5606-9. doi: 10.1364/OL.39.005606.


LIGHT-SABRE enables efficient in-magnet catalytic hyperpolarization.

Theis T, Truong M, Coffey AM, Chekmenev EY, Warren WS.

J Magn Reson. 2014 Nov;248:23-6. doi: 10.1016/j.jmr.2014.09.005. Epub 2014 Sep 28.


Long-lived polarization protected by symmetry.

Feng Y, Theis T, Wu TL, Claytor K, Warren WS.

J Chem Phys. 2014 Oct 7;141(13):134307. doi: 10.1063/1.4896895.


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