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Optical properties of protonated Rhodamine 19 isomers in solution and in the gas phase.

Physical chemistry chemical physics : PCCP

Chingin K, Balabin RM, Frankevich V, Chen H, Barylyuk K, Nieckarz R, Fedorov A, Zenobi R.
PMID: 20886159
Phys Chem Chem Phys. 2010 Nov 14;12(42):14121-7. doi: 10.1039/c0cp00482k. Epub 2010 Oct 01.

Visible light absorption and fluorescence of three positional isomers of protonated Rhodamine 19 (o-, m- and p-R19H(+)) were studied in solution and in the gas phase. In solution, strong solvatochromic effects lead to spectral shifts between rhodamine isomers. In...

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Chingin K, Balabin RM, Frankevich V, et al. Optical properties of protonated Rhodamine 19 isomers in solution and in the gas phase. Phys Chem Chem Phys. 2010;12(42):14121-7doi: 10.1039/c0cp00482k.
Chingin, K., Balabin, R. M., Frankevich, V., Chen, H., Barylyuk, K., Nieckarz, R., Fedorov, A., & Zenobi, R. (2010). Optical properties of protonated Rhodamine 19 isomers in solution and in the gas phase. Physical chemistry chemical physics : PCCP, 12(42), 14121-7. https://doi.org/10.1039/c0cp00482k
Chingin, Konstantin, et al. "Optical properties of protonated Rhodamine 19 isomers in solution and in the gas phase." Physical chemistry chemical physics : PCCP vol. 12,42 (2010): 14121-7. doi: https://doi.org/10.1039/c0cp00482k
Chingin K, Balabin RM, Frankevich V, Chen H, Barylyuk K, Nieckarz R, Fedorov A, Zenobi R. Optical properties of protonated Rhodamine 19 isomers in solution and in the gas phase. Phys Chem Chem Phys. 2010 Nov 14;12(42):14121-7. doi: 10.1039/c0cp00482k. Epub 2010 Oct 01. PMID: 20886159.
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On the chemistry of 1-pyrroline in solution and in the gas phase.

Scientific reports

Zhang X, Chingin K, Zhong D, Liang J, Ouyang Y, Chen H.
PMID: 28794423
Sci Rep. 2017 Aug 09;7(1):7675. doi: 10.1038/s41598-017-08217-1.

1-Pyrroline has a highly characteristic odor, which is employed by living organisms for chemical signaling and other purposes, but the mechanism whereby this odor is formed remains poorly understood. Here we used a combination of ambient mass spectrometry (AMS)...

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Zhang X, Chingin K, Zhong D, et al. On the chemistry of 1-pyrroline in solution and in the gas phase. Sci Rep. 2017;7(1):7675doi: 10.1038/s41598-017-08217-1.
Zhang, X., Chingin, K., Zhong, D., Liang, J., Ouyang, Y., & Chen, H. (2017). On the chemistry of 1-pyrroline in solution and in the gas phase. Scientific reports, 7(1), 7675. https://doi.org/10.1038/s41598-017-08217-1
Zhang, Xiaoping, et al. "On the chemistry of 1-pyrroline in solution and in the gas phase." Scientific reports vol. 7,1 (2017): 7675. doi: https://doi.org/10.1038/s41598-017-08217-1
Zhang X, Chingin K, Zhong D, Liang J, Ouyang Y, Chen H. On the chemistry of 1-pyrroline in solution and in the gas phase. Sci Rep. 2017 Aug 09;7(1):7675. doi: 10.1038/s41598-017-08217-1. PMID: 28794423; PMCID: PMC5550421.
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Transient Ru-methyl formate intermediates generated with bifunctional transfer hydrogenation catalysts.

Proceedings of the National Academy of Sciences of the United States of America

Perry RH, Brownell KR, Chingin K, Cahill TJ, Waymouth RM, Zare RN.
PMID: 22315417
Proc Natl Acad Sci U S A. 2012 Feb 14;109(7):2246-50. doi: 10.1073/pnas.1118934109. Epub 2012 Feb 06.

Desorption electrospray ionization (DESI) coupled to high-resolution Orbitrap mass spectrometry (MS) was used to study the reactivity of a (β-amino alcohol)(arene)RuCl transfer hydrogenation catalytic precursor in methanol (CH(3)OH). By placing [(p-cymene)RuCl(2)](2) on a surface and spraying a solution of...

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Perry RH, Brownell KR, Chingin K, et al. Transient Ru-methyl formate intermediates generated with bifunctional transfer hydrogenation catalysts. Proc Natl Acad Sci U S A. 2012;109(7):2246-50doi: 10.1073/pnas.1118934109.
Perry, R. H., Brownell, K. R., Chingin, K., Cahill, T. J., Waymouth, R. M., & Zare, R. N. (2012). Transient Ru-methyl formate intermediates generated with bifunctional transfer hydrogenation catalysts. Proceedings of the National Academy of Sciences of the United States of America, 109(7), 2246-50. https://doi.org/10.1073/pnas.1118934109
Perry, Richard H, et al. "Transient Ru-methyl formate intermediates generated with bifunctional transfer hydrogenation catalysts." Proceedings of the National Academy of Sciences of the United States of America vol. 109,7 (2012): 2246-50. doi: https://doi.org/10.1073/pnas.1118934109
Perry RH, Brownell KR, Chingin K, Cahill TJ, Waymouth RM, Zare RN. Transient Ru-methyl formate intermediates generated with bifunctional transfer hydrogenation catalysts. Proc Natl Acad Sci U S A. 2012 Feb 14;109(7):2246-50. doi: 10.1073/pnas.1118934109. Epub 2012 Feb 06. PMID: 22315417; PMCID: PMC3289342.
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Enrichment of Surface-Active Compounds in Bursting Bubble Aerosols.

ACS omega

Chingin K, Yan R, Zhong D, Chen H.
PMID: 31459002
ACS Omega. 2018 Aug 07;3(8):8709-8717. doi: 10.1021/acsomega.8b01157. eCollection 2018 Aug 31.

The pronounced enrichment of surface-active compounds in the aerosols produced by bubble bursting plays a central role in the chemical transfer from the ocean into the atmosphere and has an important impact on the global Earth's climate. However, the...

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Chingin K, Yan R, Zhong D, et al. Enrichment of Surface-Active Compounds in Bursting Bubble Aerosols. ACS Omega. 2018;3(8):8709-8717doi: 10.1021/acsomega.8b01157.
Chingin, K., Yan, R., Zhong, D., & Chen, H. (2018). Enrichment of Surface-Active Compounds in Bursting Bubble Aerosols. ACS omega, 3(8), 8709-8717. https://doi.org/10.1021/acsomega.8b01157
Chingin, Konstantin, et al. "Enrichment of Surface-Active Compounds in Bursting Bubble Aerosols." ACS omega vol. 3,8 (2018): 8709-8717. doi: https://doi.org/10.1021/acsomega.8b01157
Chingin K, Yan R, Zhong D, Chen H. Enrichment of Surface-Active Compounds in Bursting Bubble Aerosols. ACS Omega. 2018 Aug 07;3(8):8709-8717. doi: 10.1021/acsomega.8b01157. eCollection 2018 Aug 31. PMID: 31459002; PMCID: PMC6644991.
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Rapid detection of metal impurities on the surfaces of intact objects with irregular shapes using electrochemical mass spectrometry.

The Analyst

Song L, Xu J, Zhong D, Chingin K, Qu Y, Chen H.
PMID: 30984959
Analyst. 2019 May 28;144(11):3505-3510. doi: 10.1039/c8an02472c.

New approaches are demanded in daily life and industry for the rapid inspection of chemical impurities on various objects, particularly those with irregular shapes. Herein, an analytical strategy combining electrochemistry (EC) and mass spectrometry (MS) has been developed for...

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Song L, Xu J, Zhong D, et al. Rapid detection of metal impurities on the surfaces of intact objects with irregular shapes using electrochemical mass spectrometry. Analyst. 2019;144(11):3505-3510doi: 10.1039/c8an02472c.
Song, L., Xu, J., Zhong, D., Chingin, K., Qu, Y., & Chen, H. (2019). Rapid detection of metal impurities on the surfaces of intact objects with irregular shapes using electrochemical mass spectrometry. The Analyst, 144(11), 3505-3510. https://doi.org/10.1039/c8an02472c
Song, Lili, et al. "Rapid detection of metal impurities on the surfaces of intact objects with irregular shapes using electrochemical mass spectrometry." The Analyst vol. 144,11 (2019): 3505-3510. doi: https://doi.org/10.1039/c8an02472c
Song L, Xu J, Zhong D, Chingin K, Qu Y, Chen H. Rapid detection of metal impurities on the surfaces of intact objects with irregular shapes using electrochemical mass spectrometry. Analyst. 2019 May 28;144(11):3505-3510. doi: 10.1039/c8an02472c. PMID: 30984959.
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The Role of Semaphorin 4D in Bone Remodeling and Cancer Metastasis.

Frontiers in endocrinology

Lontos K, Adamik J, Tsagianni A, Galson DL, Chirgwin JM, Suvannasankha A.
PMID: 29971044
Front Endocrinol (Lausanne). 2018 Jun 19;9:322. doi: 10.3389/fendo.2018.00322. eCollection 2018.

Semaphorin 4D (Sema4D; CD100) is a transmembrane homodimer 150-kDa glycoprotein member of the Semaphorin family. Semaphorins were first identified as chemorepellants that guide neural axon growth. Sema4D also possesses immune regulatory activity. Recent data suggest other Sema4D functions: inactivation...

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Lontos K, Adamik J, Tsagianni A, et al. The Role of Semaphorin 4D in Bone Remodeling and Cancer Metastasis. Front Endocrinol (Lausanne). 2018;9:322doi: 10.3389/fendo.2018.00322.
Lontos, K., Adamik, J., Tsagianni, A., Galson, D. L., Chirgwin, J. M., & Suvannasankha, A. (2018). The Role of Semaphorin 4D in Bone Remodeling and Cancer Metastasis. Frontiers in endocrinology, 9322. https://doi.org/10.3389/fendo.2018.00322
Lontos, Konstantinos, et al. "The Role of Semaphorin 4D in Bone Remodeling and Cancer Metastasis." Frontiers in endocrinology vol. 9 (2018): 322. doi: https://doi.org/10.3389/fendo.2018.00322
Lontos K, Adamik J, Tsagianni A, Galson DL, Chirgwin JM, Suvannasankha A. The Role of Semaphorin 4D in Bone Remodeling and Cancer Metastasis. Front Endocrinol (Lausanne). 2018 Jun 19;9:322. doi: 10.3389/fendo.2018.00322. eCollection 2018. PMID: 29971044; PMCID: PMC6018527.
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Novel Therapeutic Strategies Applied to .

Materials (Basel, Switzerland)

Chirgwin ME, Dedloff MR, Holban AM, Gestal MC.
PMID: 31817881
Materials (Basel). 2019 Dec 07;12(24). doi: 10.3390/ma12244093.

Cystic fibrosis (CF) is one of the most prevalent genetic diseases and a total of 1700 different genetic mutations can cause this condition. Patients that suffer this disease have a thickening of the mucus, creating an environment that promotes...

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Chirgwin ME, Dedloff MR, Holban AM, et al. Novel Therapeutic Strategies Applied to . Materials (Basel). 2019;12(24)doi: 10.3390/ma12244093.
Chirgwin, M. E., Dedloff, M. R., Holban, A. M., & Gestal, M. C. (2019). Novel Therapeutic Strategies Applied to . Materials (Basel, Switzerland), 12(24), . https://doi.org/10.3390/ma12244093
Chirgwin, Michael E, et al. "Novel Therapeutic Strategies Applied to ." Materials (Basel, Switzerland) vol. 12,24 (2019). doi: https://doi.org/10.3390/ma12244093
Chirgwin ME, Dedloff MR, Holban AM, Gestal MC. Novel Therapeutic Strategies Applied to . Materials (Basel). 2019 Dec 07;12(24). doi: 10.3390/ma12244093. PMID: 31817881; PMCID: PMC6947192.
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Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations.

Journal of the American Society for Mass Spectrometry

Mi D, Mao Y, Wei B, Li YC, Dong X, Chingin K.
PMID: 34936361
J Am Soc Mass Spectrom. 2022 Jan 05;33(1):68-73. doi: 10.1021/jasms.1c00268. Epub 2021 Dec 22.

Here, we report on the abundant formation of phenol and molecular hydrogen when benzene vapor was exposed to gas plasma generated by +5.5 kV corona discharge of water vapor in argon in the absence of oxygen. Systematic analysis using...

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Mi D, Mao Y, Wei B, et al. Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations. J Am Soc Mass Spectrom. 2021;33(1):68-73doi: 10.1021/jasms.1c00268.
Mi, D., Mao, Y., Wei, B., Li, Y. C., Dong, X., & Chingin, K. (2022). Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations. Journal of the American Society for Mass Spectrometry, 33(1), 68-73. https://doi.org/10.1021/jasms.1c00268
Mi, Dongbo, et al. "Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations." Journal of the American Society for Mass Spectrometry vol. 33,1 (2022): 68-73. doi: https://doi.org/10.1021/jasms.1c00268
Mi D, Mao Y, Wei B, Li YC, Dong X, Chingin K. Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations. J Am Soc Mass Spectrom. 2022 Jan 05;33(1):68-73. doi: 10.1021/jasms.1c00268. Epub 2021 Dec 22. PMID: 34936361.
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High ohmic resistor hyphenated gel loading tip nano-electrospray ionization source for mini mass spectrometer.

Talanta

Rahman MM, Wu D, Chingin K, Xu W, Chen H.
PMID: 31171225
Talanta. 2019 Sep 01;202:59-66. doi: 10.1016/j.talanta.2019.04.052. Epub 2019 Apr 20.

The deployment of mini mass spectrometers on the field strongly demands efficient ionization sources that are easy-to-operate. Nano-electrospray (nESI) ion source has been widely used in the field of chemistry, biology, medicine, pharmaceutical industry, clinical assessment and forensic science....

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Rahman MM, Wu D, Chingin K, et al. High ohmic resistor hyphenated gel loading tip nano-electrospray ionization source for mini mass spectrometer. Talanta. 2019;202:59-66doi: 10.1016/j.talanta.2019.04.052.
Rahman, M. M., Wu, D., Chingin, K., Xu, W., & Chen, H. (2019). High ohmic resistor hyphenated gel loading tip nano-electrospray ionization source for mini mass spectrometer. Talanta, 20259-66. https://doi.org/10.1016/j.talanta.2019.04.052
Rahman, Md Matiur, et al. "High ohmic resistor hyphenated gel loading tip nano-electrospray ionization source for mini mass spectrometer." Talanta vol. 202 (2019): 59-66. doi: https://doi.org/10.1016/j.talanta.2019.04.052
Rahman MM, Wu D, Chingin K, Xu W, Chen H. High ohmic resistor hyphenated gel loading tip nano-electrospray ionization source for mini mass spectrometer. Talanta. 2019 Sep 01;202:59-66. doi: 10.1016/j.talanta.2019.04.052. Epub 2019 Apr 20. PMID: 31171225.
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Sequential Formation of Analyte Ions Originated from Bulk Alloys for Ambient Mass Spectrometry Analysis.

Analytical chemistry

Xu J, Zhu T, Chingin K, Liu Y, Zhang H, Chen H.
PMID: 30406988
Anal Chem. 2018 Dec 04;90(23):13832-13836. doi: 10.1021/acs.analchem.8b04309. Epub 2018 Nov 14.

Rapid chemical decoding of bulk alloys to obtain both organic and elemental composition is of sustainable interest in multiple disciplines. Herein, an analytical strategy inherited from electrochemistry and mass spectrometry (MS) was developed for direct molecular characterization of alloys....

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Xu J, Zhu T, Chingin K, et al. Sequential Formation of Analyte Ions Originated from Bulk Alloys for Ambient Mass Spectrometry Analysis. Anal Chem. 2018;90(23):13832-13836doi: 10.1021/acs.analchem.8b04309.
Xu, J., Zhu, T., Chingin, K., Liu, Y., Zhang, H., & Chen, H. (2018). Sequential Formation of Analyte Ions Originated from Bulk Alloys for Ambient Mass Spectrometry Analysis. Analytical chemistry, 90(23), 13832-13836. https://doi.org/10.1021/acs.analchem.8b04309
Xu, Jiaquan, et al. "Sequential Formation of Analyte Ions Originated from Bulk Alloys for Ambient Mass Spectrometry Analysis." Analytical chemistry vol. 90,23 (2018): 13832-13836. doi: https://doi.org/10.1021/acs.analchem.8b04309
Xu J, Zhu T, Chingin K, Liu Y, Zhang H, Chen H. Sequential Formation of Analyte Ions Originated from Bulk Alloys for Ambient Mass Spectrometry Analysis. Anal Chem. 2018 Dec 04;90(23):13832-13836. doi: 10.1021/acs.analchem.8b04309. Epub 2018 Nov 14. PMID: 30406988.
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Interfacing capillary-based separations to mass spectrometry using desorption electrospray ionization.

Analytical chemistry

Barbula GK, Safi S, Chingin K, Perry RH, Zare RN.
PMID: 21319740
Anal Chem. 2011 Mar 15;83(6):1955-9. doi: 10.1021/ac102648k. Epub 2011 Feb 14.

The powerful hybrid analysis method of capillary-based separations followed by mass spectrometric analysis gives substantial chemical identity and structural information. It is usually carried out using electrospray ionization. However, the salts and detergents used in the mobile phase for...

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Barbula GK, Safi S, Chingin K, et al. Interfacing capillary-based separations to mass spectrometry using desorption electrospray ionization. Anal Chem. 2011;83(6):1955-9doi: 10.1021/ac102648k.
Barbula, G. K., Safi, S., Chingin, K., Perry, R. H., & Zare, R. N. (2011). Interfacing capillary-based separations to mass spectrometry using desorption electrospray ionization. Analytical chemistry, 83(6), 1955-9. https://doi.org/10.1021/ac102648k
Barbula, Griffin K, et al. "Interfacing capillary-based separations to mass spectrometry using desorption electrospray ionization." Analytical chemistry vol. 83,6 (2011): 1955-9. doi: https://doi.org/10.1021/ac102648k
Barbula GK, Safi S, Chingin K, Perry RH, Zare RN. Interfacing capillary-based separations to mass spectrometry using desorption electrospray ionization. Anal Chem. 2011 Mar 15;83(6):1955-9. doi: 10.1021/ac102648k. Epub 2011 Feb 14. PMID: 21319740; PMCID: PMC4172341.
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Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations.

Journal of the American Society for Mass Spectrometry

Mi D, Mao Y, Wei B, Li YC, Dong X, Chingin K.
PMID: 34936361
J Am Soc Mass Spectrom. 2021 Dec 22; doi: 10.1021/jasms.1c00268. Epub 2021 Dec 22.

Here, we report on the abundant formation of phenol and molecular hydrogen when benzene vapor was exposed to gas plasma generated by +5.5 kV corona discharge of water vapor in argon in the absence of oxygen. Systematic analysis using...

Cite
Mi D, Mao Y, Wei B, et al. Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations. J Am Soc Mass Spectrom. 2021;doi: 10.1021/jasms.1c00268.
Mi, D., Mao, Y., Wei, B., Li, Y. C., Dong, X., & Chingin, K. (2021). Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations. Journal of the American Society for Mass Spectrometry, . https://doi.org/10.1021/jasms.1c00268
Mi, Dongbo, et al. "Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations." Journal of the American Society for Mass Spectrometry vol. (2021). doi: https://doi.org/10.1021/jasms.1c00268
Mi D, Mao Y, Wei B, Li YC, Dong X, Chingin K. Generation of Phenol and Molecular Hydrogen through Catalyst-Free C-H Activation of Benzene by Water Radical Cations. J Am Soc Mass Spectrom. 2021 Dec 22; doi: 10.1021/jasms.1c00268. Epub 2021 Dec 22. PMID: 34936361.
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Showing 1 to 12 of 36 entries