............................................................................. 1 Humic acids....................................................................... 3 Introduction.................................................................... 1 Field studies....................................................................... 4 Analytical developments..........................................

BACKGROUND The abolition of in-feed antibiotics or chemotherapeutics as growth promoters have stimulated the swine industry to look for alternatives such as organic acids, botanicals, probiotics and tannin. The objective of the present study was to compare the effects of a combination of acids and tannin with diet with organic acids and diet without growth promoters on the growth performance an...

The association between humans and cats (Felis catus) is well known. This domestic animal also known for its malodorous urine feces. complexity of the odorous feces impacts human life by triggering sensory organ in a negative way. objective this research was to identify volatile organic chemicals (VOCs) associated odors cat using gas chromatography–mass spectrometry simultaneous analysis fresh ...

The w-oxidation of fatty acids results in the formation of mediumand long-chain dicarboxylates. By this accessory metabolic pathway monocarboxylic acids are first converted into w-hydroxymonocarboxylic acids, a reaction catalysed by the microsomal mixed-oxidase function system (Pettersen, 1972). These intermediates are subsequently converted into w-oxomonocarboxylic acids and dicarboxylic acids...

Urine samples from 92 individuals of a healthy pediatric population ranging in age from less than 24 h to 12 years were analyzed for organic acid content (amino acids excepted). A few samples from adults were included for purposes of comparison. Acids were extracted by using an anion-exchange procedure, converted to trimethylsilyloxime derivatives, and analyzed by gas chromatography with the he...

The Antimicrobial Removal Device (ARD), BACTEC 16B medium, and Thiol broth were evaluated for their effectiveness in reducing the activity of imipenem (IPM), cefoxitin, moxalactam, and ceftazidime in blood samples. In addition, the capability of the ARD and Thiol broth to bind norfloxacin and the ARD to bind oxolinic and nalidixic acids in urine samples was investigated. At the highest concentr...

Urinary exosomes or microvesicles are being studied intensively to identify potential new biomarkers for renal disease. We sought to identify whether these microvesicles contain nucleic acids. We isolated microvesicles from human urine in the same density range as that previously described for urinary exosomes and found them to have an RNA integrity profile similar to that of kidney tissue, inc...

The aim of this study was to evaluate gastrointestinal microbial population response and performance of broiler chickens fed organic acids and silver nanoparticles coated on zeolite under heat stress condition. In this experiment, 375 one-day old broiler chicks (Cobb 500) were randomly divided into 5 treatments containing 5 replicates with 15 birds in each replicate. Five dietary treatments wer...