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Design and Simulation of a Double Potential Well Flat Ion Trap [PDF]

open access: yesZhipu Xuebao, 2023
A double potential well flat ion trap was designed as an ion accumulating and focusing device for multi-reflection time-of-flight mass analyzer. Two potential wells of the trap were severally used for accumulation of injected ions, controlled cooling and
WANG Xin-yu1   +8 more
doaj   +1 more source

Design of Bipolar Mass Analyzer in Miniaturized Single Particle Aerosol Mass Spectrometry [PDF]

open access: yesZhipu Xuebao, 2023
Biological aerosols are a special type of aerosols in the atmosphere, which have carcinogenic and teratogenic properties. Real-time detection and identification of biological aerosols is the prerequisite for biological warning and forecasting. The design
ZHU Hao1   +7 more
doaj   +1 more source

The 40th Swiss Group for Mass Spectrometry Meeting

open access: yesCHIMIA, 2023
The Swiss Group for Mass Spectrometry (SGMS) is a society dedicated to fostering collaboration among scientists across diverse mass spectrometry fields, ranging from gas-phase ion chemistry to life sciences. SGMS has a strong commitment to educating and
Nadine Bohni   +7 more
doaj   +1 more source

Rapid Detection of Lead in Drinking Water by Internal Extractive Electrospray Ionization Mass Spectrometry [PDF]

open access: yesZhipu Xuebao, 2023
Lead is a toxic heavy metal with widespread industrial using. The pollution of water resources caused by lead emissions has been highly concerned for a long time.
LI Hui   +4 more
doaj   +1 more source

Separating the Isomers of Saccharide Using a Field Asymmetric Waveform Ion Mobility Spectrometry [PDF]

open access: yesZhipu Xuebao, 2022
Field asymmetric waveform ion mobility spectrometry (FAIMS) is a rapid gas phase ion separation technique that can separate different ions by exploiting the unique ion mobility differences of each ion between the high and low electric fields, and has a ...
HAO Jie1,2,3   +6 more
doaj   +1 more source

Design and Simulation of Aerosol Inlet System for Particulate Matter with a Wide Size Range

open access: yesAtmosphere, 2023
A novel aerodynamic lens-based inlet system was developed for a wide particle size range, and it could extend the size range of transmitted particulate matter (PM) to 50 nm–10 μm.
Xubing Du   +9 more
doaj   +1 more source

Association of amino acids related to urea cycle with risk of diabetic nephropathy in two independent cross-sectional studies of Chinese adults

open access: yesFrontiers in Endocrinology, 2022
ObjectiveTo investigate the association between amino acids related to the urea cycle and diabetic nephropathy (DN) in two independent cross-sectional studies.MethodsWe obtained the medical records of 145 individuals with DN and 596 individuals without ...
Penglong Cao   +18 more
doaj   +1 more source

foodMASST a mass spectrometry search tool for foods and beverages

open access: yesnpj Science of Food, 2022
There is a growing interest in unraveling the chemical complexity of our diets. To help the scientific community gain insight into the molecules present in foods and beverages that we ingest, we created foodMASST, a search tool for MS/MS spectra (of both
Kiana A. West   +4 more
doaj   +1 more source

Basal ganglia neuropeptides show abnormal processing associated with L-DOPA-induced dyskinesia

open access: yesnpj Parkinson's Disease, 2022
L-DOPA administration is the primary treatment for Parkinson’s disease (PD) but long-term administration is usually accompanied by hyperkinetic side-effects called L-DOPA-induced dyskinesia (LID). Signaling neuropeptides of the basal ganglia are affected
Heather Hulme   +7 more
doaj   +1 more source

Volatiles Emission by Crotalaria nitens after Insect Attack

open access: yesMolecules, 2021
Plants are known to increase the emission of volatile organic compounds upon the damage of phytophagous insects. However, very little is known about the composition and temporal dynamics of volatiles released by wild plants of the genus Crotalaria ...
Fausto Prada   +2 more
doaj   +1 more source

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