“Current approaches to the analysis of bile and the determination of bile acids in various biological matrices as supportive tools to traditional diagnostic testing for liver dysfunction and biliary diseases”

2021 ◽  
pp. 116307
Author(s):  
Kamil Łuczykowski ◽  
Natalia Warmuzińska ◽  
Barbara Bojko
Keyword(s):  
Bile Acids ◽  
Liver Dysfunction ◽  
Diagnostic Testing ◽  
Biological Matrices ◽  
Biliary Diseases

µSPE followed by HPLC-MS/MS for the determination of series D and E resolvins in biological matrices

2021 ◽  
pp. 114181
Author(s):  
Federico Fanti ◽  
Eleonora Oliva ◽  
Daniel Tortolani ◽  
Camilla Di Meo ◽  
Marina Fava ◽  
...  
Keyword(s):  
Biological Matrices

An insight into the determination of size and number concentration of silver nanoparticles in blood using single particle ICP-MS (spICP-MS): Feasibility of application to samples relevant to in vivo toxicology studies

2021 ◽  
Author(s):  
Isabel Abad-Álvaro ◽  
Diego Leite ◽  
Dorota Bartczak ◽  
Susana Cuello ◽  
Beatriz Gomez-Gomez ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Single Particle ◽  
Number Concentration ◽  
Biological Matrices ◽  
Icp Ms ◽  
Toxicological Studies ◽  
Insight Into

Toxicological studies concerning nanomaterials in complex biological matrices usually require a carefully designed workflow that involves handling, transportation and preparation of a large number of samples without affecting the nanoparticle...

scholarly journals Analytical Methods for the Determination of Neuroactive Steroids

Biomolecules ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 553
Author(s):  
Michal Kaleta ◽  
Jana Oklestkova ◽  
Ondřej Novák ◽  
Miroslav Strnad
Keyword(s):  
Nervous System ◽  
Steroid Hormone ◽  
Neuroactive Steroids ◽  
Physiological Changes ◽  
Biological Matrices ◽  
Pathological Conditions ◽  
Reliable Monitoring ◽  
Hormonal Steroids ◽  
Endocrine Tissues

Neuroactive steroids are a family of all steroid-based compounds, of both natural and synthetic origin, which can affect the nervous system functions. Their biosynthesis occurs directly in the nervous system (so-called neurosteroids) or in peripheral endocrine tissues (hormonal steroids). Steroid hormone levels may fluctuate due to physiological changes during life and various pathological conditions affecting individuals. A deeper understanding of neuroactive steroids’ production, in addition to reliable monitoring of their levels in various biological matrices, may be useful in the prevention, diagnosis, monitoring, and treatment of some neurodegenerative and psychiatric diseases. The aim of this review is to highlight the most relevant methods currently available for analysis of neuroactive steroids, with an emphasis on immunoanalytical methods and gas, or liquid chromatography combined with mass spectrometry.

Aspects of the determination of free bile acids in gastric juice

1987 ◽  
Vol 327 (7) ◽  
pp. 729-730 ◽  
Author(s):  
T. O'Reilly ◽  
D. Thorburn Burns
Keyword(s):  
Bile Acids ◽  
Gastric Juice ◽  
Free Bile Acids
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