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Showing 1 to 12 of 69 entries
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Scorpionate complexes of aza-18-crown-6 containing fluoronitrophenyl substituents as studied by electrospray ionization mass spectrometry.

Rapid communications in mass spectrometry : RCM

Frański R, Onyszkiewicz M, Gierczyk B.
PMID: 28548314
Rapid Commun Mass Spectrom. 2017 Aug 15;31(15):1279-1289. doi: 10.1002/rcm.7908.

RATIONALE: Coordination of a metal cation by a nitro group is rare and the interaction between them is usually weak. Examples of complexes in which such an interaction takes place are metal complexes of cyclams containing nitrophenyl or nitrobenzyl...

[Therapeutic approach for treatment of postoperative ileus].

Rozhledy v chirurgii : mesicnik Ceskoslovenske chirurgicke spolecnosti

Gürlich R, Maruna P, Frasko R.
PMID: 15736381
Rozhl Chir. 2004 Nov;83(11):562-6.

The postoperative motility disorder of the gastrointestinal tract (POI) is a transient, however a frequent reaction of the gastrointestinal tract to intraabdominal procedures. The cause of the onset of the POI is multifactoral and, therefore, the treatment must also...

Fragmentation and skeletal rearrangements of 2-arylylamino-5-aryl-1,3,4-oxadiazoles and their noncovalent complexes with cobalt cation and cyclodextrin studied by mass spectrometry.

Journal of mass spectrometry : JMS

Frański R, Gierczyk B, Schroeder G.
PMID: 16421865
J Mass Spectrom. 2006 Mar;41(3):312-22. doi: 10.1002/jms.990.

Mass spectrometric fragmentation pathways of title compounds were studied by electron ionization (EI) and electrospray ionization (ESI) as methods of ion generation. To explain the observed complex skeletal rearrangements, tandem mass spectrometry, accurate mass measurement and isotope labeling (compounds...

Gas-phase relative stabilities of Tl.

European journal of mass spectrometry (Chichester, England)

Frańska M, Michalak A.
PMID: 29320880
Eur J Mass Spectrom (Chichester). 2018 Jun;24(3):279-288. doi: 10.1177/1469066717752794. Epub 2018 Jan 10.

The gas-phase stabilities of Tl

Ethoxylated Butoxyethanol-BADGE Adducts-New Potential Migrants from Epoxy Resin Can Coating Material.

Materials (Basel, Switzerland)

Beszterda M, Kasperkowiak M, Frańska M, Jęziołowska S, Frański R.
PMID: 34279256
Materials (Basel). 2021 Jul 01;14(13). doi: 10.3390/ma14133682.

The acetonitrile extracts of can-coating materials have been analyzed by using high-pressure liquid chromatography/electrospray ionization-mass spectrometry (HPLC/ESI-MS). On the basis of detected ions [M + H]

Implications of Oxidative Stress in Glioblastoma Multiforme Following Treatment with Purine Derivatives.

Antioxidants (Basel, Switzerland)

Orlicka-Płocka M, Fedoruk-Wyszomirska A, Gurda-Woźna D, Pawelczak P, Krawczyk P, Giel-Pietraszuk M, Framski G, Ostrowski T, Wyszko E.
PMID: 34204594
Antioxidants (Basel). 2021 Jun 12;10(6). doi: 10.3390/antiox10060950.

Recently, small compound-based therapies have provided new insights into the treatment of glioblastoma multiforme (GBM) by inducing oxidative impairment. Kinetin riboside (KR) and newly designed derivatives (8-azaKR, 7-deazaKR) selectively affect the molecular pathways crucial for cell growth by interfering...

Nitric Oxide-Dependent Mechanisms Underlying MK-801- or Scopolamine-Induced Memory Dysfunction in Animals: Mechanistic Studies.

International journal of molecular sciences

Cieślik P, Siekierzycka A, Radulska A, Płoska A, Burnat G, Brański P, Kalinowski L, Wierońska JM.
PMID: 34830164
Int J Mol Sci. 2021 Nov 13;22(22). doi: 10.3390/ijms222212282.

MK-801, an NMDA receptor antagonist, and scopolamine, a cholinergic receptor blocker, are widely used as tool compounds to induce learning and memory deficits in animal models to study schizophrenia or Alzheimer-type dementia (AD), respectively. Memory impairments are observed after...

Liquid secondary ion mass spectrometric investigation of ion-pair precipitates of some ethoxylates with barium tetraphenylborate.

Journal of mass spectrometry : JMS

Szymanski A, Franska M, Franski R.
PMID: 10934444
J Mass Spectrom. 2000 Jul;35(7):897-900. doi: 10.1002/1096-9888(200007)35:7<897::AID-JMS15>3.0.CO;2-P.

Liquid secondary ion mass spectrometry seems to be useful technique for the qualitative characterization of ion-pair precipitates of ethoxylates with barium tetraphenylborate. In the positive mode, barium complexes of ethoxylates were examined. In the negative mode, the ion signal...

The mechanism of water loss from protonated cathinones.

Rapid communications in mass spectrometry : RCM

Frański R, Gierczyk B, Kasperkowiak M, Jankowski W, Hoffmann M.
PMID: 31659798
Rapid Commun Mass Spectrom. 2020 Mar 30;34(6):e8617. doi: 10.1002/rcm.8617.

No abstract available.

Complexation of phosphates by 1,3-bis(3-(2-pyridylureido)propyl)-1,1,3,3-tetramethyldisiloxane.

Rapid communications in mass spectrometry : RCM

Frański R, Gierczyk B, Markiewicz G, Kozik T.
PMID: 26522320
Rapid Commun Mass Spectrom. 2015 Dec 15;29(23):2272-8. doi: 10.1002/rcm.7386.

RATIONALE: Compounds containing a urea or thiourea moiety form complexes with anions thanks to the ability to form quite strong hydrogen bonds. We have synthesized 1,3-bis(3-(2-pyridylureido)propyl)-1,1,3,3-tetramethyldisiloxane (1). Compound 1 contains two urea moieties connected by a long flexible linker;...

Electro-oxidation of diclofenac in methanol as studied by high-performance liquid chromatography/electrospray ionization mass spectrometry.

Rapid communications in mass spectrometry : RCM

Frański R, Zalas M, Gierczyk B, Schroeder G.
PMID: 27321855
Rapid Commun Mass Spectrom. 2016 Jul 15;30(13):1662-6. doi: 10.1002/rcm.7593.

No abstract available.

Gas phase conversion of triphosphate to trimetaphosphate.

Journal of mass spectrometry : JMS

Frański R, Gierczyk B, Jaroszyńska N, Michalak A, Rosik M.
PMID: 26889933
J Mass Spectrom. 2016 Feb;51(2):165-8. doi: 10.1002/jms.3742.

No abstract available.

Showing 1 to 12 of 69 entries