Results 71 to 80 of about 931,055 (184)

HPLC-FLD-Based Method for the Detection of Sulfonamides in Organic Fertilizers Collected from Poland

open access: yesMolecules, 2022
Antibacterial substances such as sulfonamides are widely used in veterinary medicine to treat many bacterial diseases. After their administration to animals, up to 90% of the initial dose of the antibiotic is excreted in the feces and/or urine, which can
Zbigniew Osiński   +2 more
doaj   +1 more source

Strategies for estimating human exposure to mycotoxins via food [PDF]

open access: yes, 2016
In this review, five strategies to estimate mycotoxin exposure of a (sub-) population via food, including data collection, are discussed with the aim to identify the added values and limitations of each strategy for risk assessment of these chemicals ...
Boon, PE   +6 more
core   +3 more sources

Fludarabine as a cost-effective adjuvant to enhance engraftment of human normal and malignant hematopoiesis in immunodeficient mice [PDF]

open access: yes, 2018
There is still an unmet need for xenotransplantation models that efficiently recapitulate normal and malignant human hematopoiesis. Indeed, there are a number of strategies to generate humanized mice and specific protocols, including techniques to ...
A Rambaldi   +17 more
core   +1 more source

Semantics out of context: nominal absolute denotations for first-order logic and computation

open access: yes, 2016
Call a semantics for a language with variables absolute when variables map to fixed entities in the denotation. That is, a semantics is absolute when the denotation of a variable a is a copy of itself in the denotation.
Gabbay, Murdoch J.
core   +1 more source

Faecal leukocyte esterase activity is an alternative biomarker in inflammatory bowel disease [PDF]

open access: yes, 2015
Background: Leukocyte cytosolic proteins (e.g., calprotectin) are emerging biomarkers for inflammatory bowel disease. Leukocyte aryl esterase activity has been commonly used for sensitive detection of leukocytes in human body fluids such as urine.
De Vos, Martine   +5 more
core   +2 more sources

TLC-densitometric analysis of allantoin in Symphytum officinale L. roots

open access: yesActa Pharmaceutica, 2020
A TLC-densitometric method for determination of allantoin in Symphytum officinale root was developed. Densitometric quantification of allantoin was carried out on TLC Si60 plates with butanol-50 % methanol/formic acid, 66.5:33.2:0.3 (V/V/V) as developing
Kimel Katarzyna   +3 more
doaj   +1 more source

Application of a Graphene Oxide–Carbon Paste Electrode for the Determination of Lead in Rainbow Trout from Central Europe [PDF]

open access: yes, 2014
In the presented study, the content of lead in rainbow trout (Oncorhynchus mykiss) samples was examined. Rainbow trout were purchased in Prague (Czech Republic), Lodz (Poland) and Bratislava (Slovakia) from local fish shops and supermarkets belonging to ...
Ciesielski, Witold, SMARZEWSKA, SYLWIA
core   +2 more sources

Quality & Quantity: Limits of Quantification in the Sciences [PDF]

open access: yesBiological Theory, 2015
This thematic issue compiles a selection of papers presented at the 30th Altenberg Workshop in Theoretical Biology held at the KLI in Klosterneuburg, Austria in June 2014. The workshop was organized by Werner Callebaut, Isabella Sarto-Jackson, and Richard R. Nelson, and distinguished itself by its very interdisciplinary character.
Isabella Sarto-Jackson   +2 more
openaire   +1 more source

Development and Validation of a Reversed-Phase HPLC Method for the Estimation of Zolpidem in Bulk Drug and Tablets

open access: yesJournal of Chemistry, 2013
In the present study an isocratic reversed-phase high-performance liquid chromatography method was developed for the estimation of zolpidem in bulk drug and pharmaceutical dosage forms. The quantification was carried out on C18 columns.
E. Konoz   +3 more
doaj   +1 more source

Quantification of HIV-2 DNA in Whole Blood

open access: yesBio-Protocol, 2019
Time to AIDS infection is longer with HIV-2, compared to HIV-1, but without antiretroviral therapy both infections will cause AIDS-related mortality. In HIV-2 infection, monitoring of antiretroviral treatment (ART) efficacy is challenging since a large ...
Zsófia Szojka   +3 more
doaj   +1 more source

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