Kermit Murray

@kkmurray.bsky.social

1 day ago

Identification and characterization of unknown photo-oxidation degradation components of ganciclovir by high-performance liquid chromatography and quadrupole time-of-flight mass spectrometry European Journal of Mass Spectrometry, Ahead of Print. Ganciclovir (GCV) is an antiviral drug used to treat cytomegalovirus infections associated with AIDS. The study of the GCV drug substance under photo-oxidation stress conditions identified five impurities. This study aims to interpret the chemical ...

(EJMS) Identification and characterization of
unknown photo-oxidation degradation components of ganciclovir by high-performance liquid chromatography and quadrupole time-of-flight mass spectrometry: European Journal of Mass Spectrometry, Ahead of Print.
Ganciclovir (GCV) is an… #EJMS #MassSpecRSS

Kermit Murray

@kkmurray.bsky.social

2 weeks ago

Electron ionization mass spectral studies of a series of N,N-dialkylacetimidamides and their methyl derivatives European Journal of Mass Spectrometry, Ahead of Print. A series ofN,N-dialkylacetimidamides (amidines) (1–10) are designated as non-scheduled reportable chemicals under the Chemical Weapons Convention by the Organisation for the Prohibition of Chemical Weapons (OPCW). The amidines are relevant precursors and ...

(EJMS) Electron ionization mass spectral studies of a series of N,N-dialkylacetimidamides and their methyl derivatives: European Journal of Mass Spectrometry, Ahead of Print.
A series ofN,N-dialkylacetimidamides (amidines) (1–10) are designated as non-scheduled reportable… #EJMS #MassSpecRSS

Kermit Murray

@kkmurray.bsky.social

4 weeks ago

Mass spectral fingerprinting of chemical weapons convention-relevant sulfur–oxygen heterocyclic alkylphosphonate esters by EI and PCI GC-MS European Journal of Mass Spectrometry, Ahead of Print. Reliable detection and unequivocal identification of chemical warfare agents, their precursors, and degradation products are central to verification activities under the Chemical Weapons Convention (CWC). Cyclic alkylphosphonate esters containing ...

(EJMS) Mass spectral fingerprinting of chemical weapons convention-relevant sulfur–oxygen heterocyclic alkylphosphonate esters by EI and PCI GC-MS: European Journal of Mass Spectrometry, Ahead of Print.
Reliable detection and unequivocal identification of chemical warfare… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

1 month ago

Mass spectral fingerprinting of chemical weapons convention-relevant sulfur–oxygen heterocyclic alkylphosphonate esters by EI and PCI GC-MS - MV Jagadish, Mukesh K Singh, Shubham Yadav, Anil Kumar, Mo... Reliable detection and unequivocal identification of chemical warfare agents, their precursors, and degradation products are central to verification activities ...

Mass spectral fingerprinting of chemical weapons convention-relevant sulfur–oxygen heterocyclic alkylphosphonate esters by EI and PCI GC-MS #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

1 month ago

Data-driven prediction of CIMS signal intensity for pesticide detection via dibromomethane reagent using machine learning techniques European Journal of Mass Spectrometry, Ahead of Print. This research introduces a model utilizing machine learning for forecasting Chemical Ionization Mass Spectrometry (CIMS) signal intensity in pesticide detection, using dibromomethane (DBrMe) as a reagent. Accurate detection of pesticides is crucial for ...

(EJMS) Data-driven prediction of CIMS signal intensity for pesticide detection via dibromomethane reagent using machine learning techniques: European Journal of Mass Spectrometry, Ahead of Print.
This research introduces a model utilizing machine learning for forecasting… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

1 month ago

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Data-driven prediction of CIMS signal intensity for pesticide detection via dibromomethane reagent using machine learning techniques #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

4 months ago

An analytical approximation for the field in toroidal ion trap mass analysers having circular slits on endcap electrodes European Journal of Mass Spectrometry, Ahead of Print. In this study, an analytical approximation that can be used to estimate the change in the electric field caused by the introduction of circular slits on endcap electrodes of toroidal ion trap mass analysers will be developed. A theory has been developed ...

(EJMS) An analytical approximation for the field in toroidal ion trap mass analysers having circular slits on endcap electrodes: European Journal of Mass Spectrometry, Ahead of Print.
In this study, an analytical approximation that can be used to estimate the change in the… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

4 months ago

An analytical approximation for the field in toroidal ion trap mass analysers having circular slits on endcap electrodes - Appala Naidu Kotana, Atanu K. Mohanty, 2025 In this study, an analytical approximation that can be used to estimate the change in the electric field caused by the introduction of circular slits on endcap ...

An analytical approximation for the field in toroidal ion trap mass analysers having circular slits on endcap electrodes #EJMS journals.sagepub.com/doi/10.1177/...

BioMassSpec

@realbiomassspec.bsky.social

5 months ago

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Development of a liquid chromatography-tandem mass spectrometry method for the analysis of plasma naltrexone and its active metabolite in patients with AUD #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

5 months ago

Development of a liquid chromatography-tandem mass spectrometry method for the analysis of plasma naltrexone and its active metabolite in patients with AUD European Journal of Mass Spectrometry, Ahead of Print. Naltrexone, an FDA-approved mu-opioid receptor antagonist for alcohol dependence, requires therapeutic drug monitoring due to its pharmacokinetic variability. This study developed a liquid chromatography-electrospray ionization-tandem mass spectrometry ...

(EJMS) Development of a liquid chromatography-tandem mass spectrometry method for the analysis of plasma naltrexone and its active metabolite in patients with AUD: European Journal of Mass Spectrometry, Ahead of Print.
Naltrexone, an FDA-approved mu-opioid receptor antagonist… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

6 months ago

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Development of a liquid chromatography-tandem mass spectrometry method for the analysis of plasma naltrexone and its active metabolite in patients with AUD #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

6 months ago

Chemical footprints of sulfur mustard: GC–MS profiling of methylated degradation products European Journal of Mass Spectrometry, Ahead of Print. Sulfur mustard, a Schedule 1 chemical under the Chemical Weapons Convention (CWC), poses a significant threat to human health, animals, plants, and the environment due to its persistent nature. Bis(2-methoxyethylthio)alkanes (compounds10–14), along with ...

(EJMS) Chemical footprints of sulfur mustard: GC–MS profiling of methylated degradation products: European Journal of Mass Spectrometry, Ahead of Print.
Sulfur mustard, a Schedule 1 chemical under the Chemical Weapons Convention (CWC), poses a significant threat to human health,… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

6 months ago

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Chemical footprints of sulfur mustard: GC–MS profiling of methylated degradation products #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

6 months ago

The second stability region of quadrupole mass filter with square wave shape power supply European Journal of Mass Spectrometry, Ahead of Print. The ion-optical properties of the second stability region (q=4.5) formed by the square wave shape potential with a duty cycle of 50% are studied as applied to the operation of a linear ion trap. The stability diagram is presented in detail, the stability ...

(EJMS) The second stability region of quadrupole mass filter with square wave shape power supply: European Journal of Mass Spectrometry, Ahead of Print.
The ion-optical properties of the second stability region (q=4.5) formed by the square wave shape potential with a duty cycle… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

6 months ago

Sage Journals: Discover world-class research Subscription and open access journals from Sage, the world's leading independent academic publisher.

The second stability region of quadrupole mass filter with square wave shape power supply #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

7 months ago

Antidiabetic potential of Celtis tetrandra Roxb. leaf extracts in alloxan-induced diabetic rats, lipid profile, and histopathological analysis of pancreas European Journal of Mass Spectrometry, Ahead of Print. Diabetes mellitus (DM) is an onset metabolic illness in which hyperglycemia occurs due to acquired or inherited impaired insulin production and ineffective action. Diabetes is frequently managed with the use of drugs, which may have adverse consequences ...

(EJMS) Antidiabetic potential of Celtis tetrandra Roxb. leaf extracts in alloxan-induced diabetic rats, lipid profile, and histopathological analysis of pancreas: European Journal of Mass Spectrometry, Ahead of Print.
Diabetes mellitus (DM) is an onset metabolic illness in which… #EJMS #MassSpecRSS

Kermit Murray

@kkmurray.bsky.social

7 months ago

Imatinib-N-oxide through chemical modification of imatinib and investigation of in-vitro potential toxic metabolite formation European Journal of Mass Spectrometry, Ahead of Print. Chemical modification of the tyrosine kinase inhibitor (TKI) imatinib was performed to obtain the imatinib-N-oxide, followed by metabolic profiling to study the possibilities of forming potential reactive metabolites of both imatinib and imatinib-N-oxide. ...

(EJMS) Imatinib-N-oxide through chemical modification of imatinib and investigation of in-vitro potential toxic metabolite formation: European Journal of Mass Spectrometry, Ahead of Print.
Chemical modification of the tyrosine kinase inhibitor (TKI) imatinib was performed to… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

7 months ago

Antidiabetic potential of Celtis tetrandra Roxb. leaf extracts in alloxan-induced diabetic rats, lipid profile, and histopathological analysis of pancreas - Shumaila Yousaf, Sadia Nawaz, Shagufta Saee... Diabetes mellitus (DM) is an onset metabolic illness in which hyperglycemia occurs due to acquired or inherited impaired insulin production and ineffective acti...

Antidiabetic potential of Celtis tetrandra Roxb. leaf extracts in alloxan-induced diabetic rats, lipid profile, and histopathological analysis of pancreas #EJMS journals.sagepub.com/doi/10.1177/...

BioMassSpec

@realbiomassspec.bsky.social

7 months ago

Imatinib-N-oxide through chemical modification of imatinib and investigation of in-vitro potential toxic metabolite formation - Abdulaziz Aljohari, Adham Bahian, Adnan A Kadi, AFM Motiur Rahman, 2025 Chemical modification of the tyrosine kinase inhibitor (TKI) imatinib was performed to obtain the imatinib-N-oxide, followed by metabolic profiling to study the...

Imatinib-N-oxide through chemical modification of imatinib and investigation of in-vitro potential toxic metabolite formation #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

8 months ago

Liquid chromatography-tandem mass spectrometry method for quantification of ertugliflozin in human plasma: Application to disposition kinetics European Journal of Mass Spectrometry, Ahead of Print. A high-performance liquid chromatography-tandem mass spectrometry method has been developed for the quantification of ertugliflozin in human plasma, employing ertugliflozin D5 as the internal standard. Methyl tertiary butyl ether-based liquid-liquid ...

(EJMS) Liquid chromatography-tandem mass spectrometry method for quantification of ertugliflozin in human plasma: Application to disposition kinetics: European Journal of Mass Spectrometry, Ahead of Print.
A high-performance liquid chromatography-tandem mass spectrometry method… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

8 months ago

Liquid chromatography-tandem mass spectrometry method for quantification of ertugliflozin in human plasma: Application to disposition kinetics - Viritha Bezawada, Padma Mogili, Sireesha Dodda, Sriniva... A high-performance liquid chromatography-tandem mass spectrometry method has been developed for the quantification of ertugliflozin in human plasma, employing e...

Liquid chromatography-tandem mass spectrometry method for quantification of ertugliflozin in human plasma: Application to disposition kinetics #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

8 months ago

Determination of kinetic characteristics of thermal desorption of cocaine by mass-spectrometric method of surface ionization European Journal of Mass Spectrometry, Ahead of Print. The adsorption and surface ionization of cocaine molecules C17H21NO4(M: 303 Da) on the surface of oxidized tungsten was studied using the non-stationary voltage modulation method in a high-vacuum mass spectrometric setup employing a “black chamber,” all ...

(EJMS) Determination of kinetic characteristics of thermal desorption of cocaine by mass-spectrometric method of surface ionization: European Journal of Mass Spectrometry, Ahead of Print.
The adsorption and surface ionization of cocaine molecules C17H21NO4(M: 303 Da) on the… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

8 months ago

Determination of kinetic characteristics of thermal desorption of cocaine by mass-spectrometric method of surface ionization - Ganiboy T Rakhmanov, Tursunali S Kholikov, Azim Sh Radjabov, Saida S Iskh... The adsorption and surface ionization of cocaine molecules C17H21NO4 (M: 303 Da) on the surface of oxidized tungsten was studied using the non-stationary voltag...

Determination of kinetic characteristics of thermal desorption of cocaine by mass-spectrometric method of surface ionization #EJMS journals.sagepub.com/doi/10.1177/...

BioMassSpec

@realbiomassspec.bsky.social

8 months ago

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Mass spectrometric analysis of fullerenes and dialane cationic clusters: Revealing magic sizes and stability trends #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

8 months ago

Mass spectrometric analysis of fullerenes and dialane cationic clusters: Revealing magic sizes and stability trends European Journal of Mass Spectrometry, Ahead of Print. The stability of gas-phase clusters primarily depends on their size, with magic numbers exhibiting exceptional conformal stability due to symmetric or closed-shell configurations. This phase is ideal for analyzing intrinsic properties, that is, as cluster ...

(EJMS) Mass spectrometric analysis of fullerenes and dialane cationic clusters: Revealing magic sizes and stability trends: European Journal of Mass Spectrometry, Ahead of Print.
The stability of gas-phase clusters primarily depends on their size, with magic numbers exhibiting… #EJMS #MassSpecRSS

Kermit Murray

@kkmurray.bsky.social

9 months ago

Delivery of micro- and nanoparticles from solutions into a linear quadrupole trap using the paper spray method European Journal of Mass Spectrometry, Ahead of Print. In this paper, we develop and describe a technology for delivering micro- and nanoparticles from solutions into a linear quadrupole Paul trap using the paper spray method. The developed technology is based on electrospraying of colloids with the particles ...

(EJMS) Delivery of micro- and nanoparticles from solutions into a linear quadrupole trap using the paper spray method: European Journal of Mass Spectrometry, Ahead of Print.
In this paper, we develop and describe a technology for delivering micro- and nanoparticles from… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

9 months ago

Sage Journals: Discover world-class research Subscription and open access journals from Sage, the world's leading independent academic publisher.

Delivery of micro- and nanoparticles from solutions into a linear quadrupole trap using the paper spray method #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

10 months ago

Gas chromatography-mass spectrometry bioactive compounds profiling, potential of microbial resistance, anti-inflammatory, and cytotoxic of leaf extracts from Celtis tetrandra Roxb. European Journal of Mass Spectrometry, Ahead of Print. The rapid increase in incidences of antibiotic resistance, as well as the severity of side effects associated with the synthetic drugs, have directed the researchers to focus on the natural reservoirs as an alternative to the available drugs. The aim of ...

(EJMS) Gas chromatography-mass spectrometry bioactive compounds profiling, potential of microbial resistance, anti-inflammatory, and cytotoxic of leaf extracts from Celtis tetrandra Roxb.: European Journal of Mass Spectrometry, Ahead of Print.
The rapid increase in incidences of… #EJMS #MassSpecRSS

BioMassSpec

@realbiomassspec.bsky.social

10 months ago

Sage Journals: Discover world-class research Subscription and open access journals from Sage, the world's leading independent academic publisher.

Gas chromatography-mass spectrometry bioactive compounds profiling, potential of microbial resistance, anti-inflammatory, and cytotoxic of leaf extracts from Celtis tetrandra Roxb. #EJMS journals.sagepub.com/doi/10.1177/...

Kermit Murray

@kkmurray.bsky.social

10 months ago

(EJMS) Competing fragmentation processes of O-acetyl-substituted carboxylate anions subjected to collision-induced dissociation: European Journal of Mass Spectrometry, Ahead of Print.
Carboxylic acids containing anO-acetyl substituent were studied using tandem mass spectrometry… #EJMS #MassSpecRSS