Results 231 to 240 of about 166,663,679 (286)

Profiling and Identification of Novel Tiletamine Metabolites in Human Urine and Hair by Liquid Chromatography Coupled With Quadrupole-Orbitrap Mass Spectrometry. [PDF]

Rapid Commun Mass Spectrom
Qin S, Bi G, Wang Y, Liu B, Cui Z, Zhao X, Wu X, Jing J, Lu J.   +8 more
europepmc   +1 more source

Mass Production of Waste PVC‐Mediated Bamboo‐Derived Hard Carbon for Ultra‐Long Life Sodium Storage

Carbon Energy, EarlyView.
By a scalable PVC‐mediated bifunctional strategy, pre‐carbonized micrometer bamboo powder is converted into a functionally partitioned hard carbon anode with distinct domains. Featuring abundant internal closed pores and surface sp2‐enriched graphitic regions, this anode delivers exceptional high‐rate long‐cycle stability, retaining 93% capacity after ...
Wenjing Xu, Zhangliu Tian, Meng Wang, Song Liang, Yueyang Wang, YuSha Gao, Yinjie Wan, Ce Zhou, Yue Tan, Le Wu, Fuqiang Huang   +10 more
wiley   +1 more source

Understanding Mass Spectrometry: From Ion Generation to Spectral Interpretation. [PDF]

J Mass Spectrom
Steckel A, Papp D, Schlosser G.
europepmc   +1 more source

LC-HRMS and Molecular Networking for Non-Targeted Screening of Emerging Contaminants in Cosmetics: Workflow, Applications, and Regulatory Challenges. [PDF]

Molecules
Fu L, Song Y, Zhu J, Wang H, Lu Y.
europepmc   +1 more source

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Time-of-flight secondary ion mass spectrometry of industrial materials

Analytica Chimica Acta, 1999
Abstract Surface phenomena are important in numerous technological areas, such as adhesion, friction, biocompatibility, catalysis, polymer science or composite research. Most of the critical parameters affecting the stability and specific response of industrial products to the environment are controlled by the chemical composition of the uppermost ...
Keller, B.A., Hug, P.
openaire   +4 more sources

Pore confined time-of-flight secondary ion electrochemical mass spectrometry

Chemical Society Reviews, 2023
This review highlights the important historical and technological developments of in situ ToF-SIEMS technique, especially, the challenges encountered when extending ToF-SIMS from a high vacuum condition to a liquid electrochemical environment.
Jun-Gang Wang, Ru-Jia Yu, Xin Hua, Yi-Tao Long   +3 more
openaire   +2 more sources

Secondary ion mass spectrometry by time-of-flight

International Journal of Mass Spectrometry and Ion Physics, 1983
Abstract Some properties of the Manitoba time-of-flight secondary ion mass spectrometer are described and compared with those of other instruments. Topics discussed include properties of the primary ion beam, preparation of small electrosprayed targets, secondary ions from alkali halides (metastable decay and increase in yield after irradiation ...
K.G. Standing, R. Beavis, W. Ens, B. Schueler   +3 more
openaire   +1 more source

Time-of-flight secondary ion mass spectrometry analyses of vancomycin

Biointerphases, 2018
As an antibiotic that prevents and treats infections caused by Gram-positive bacteria such as Staphylococcus aureus, vancomycin incorporated in a biodegradable polymer poly(lactide-co-glycolide) provides opportunities to construct controlled-release drug delivery systems. Developments associated with this promising system have been largely concentrated
Lin, Du, Xiaohui, Yang, Wenqiang, Li, Haoying, Li, Shanbao, Feng, Rong, Zeng, Bin, Yu, Liangxing, Xiao, Yu, Liu, Mei, Tu, Heng-Yong, Nie   +10 more
openaire   +2 more sources

Time‐of‐flight secondary ion mass spectrometry of polybutadienes

Surface and Interface Analysis, 1994
Abstract High resolution time‐of‐flight secondary ion mass spectrometry was used to study a series of polybutadienes with molecular weights between 400 and 170 000 Da. The number‐averaged and weight‐averaged molecular weights of polybutadienes with molecular weights of <5000 Da were determined and showed ...
Lucinda R. Hittle, David M. Hercules
openaire   +1 more source