Results 21 to 30 of about 48,647 (245)

Evaluation of commercial boric acid containing vials for urine culture: Low risk of contamination and cost effectiveness considerations

open access: yesIndian Journal of Pathology and Microbiology, 2013
Background: Urine culture is a gold standard in the diagnosis of urinary tract infection. Clean catch midstream urine collection and prompt transportation is essential for appropriate diagnosis.
Suma B Appannanavar   +4 more
doaj   +1 more source

Effect of AHL-lactonase and nisin on microbiological, chemical and sensory quality of vacuum packaged sturgeon storage at 4ºC: AHL-lactonase and nisin inhibit sturgeon spoilage

open access: yesInternational Journal of Food Properties, 2021
Quorum sensing (QS) has been reported to be involved in bacterial food spoilage. Acetylated homoserine lactones (AHLs) are QS signals of Gram-negative bacteria.
Meng Gui   +3 more
doaj   +1 more source

Development of an LC–MS/MS Assay and Toxicokinetic Characterization of Hexamethylenetetramine in Rats

open access: yesToxics, 2023
Hexamethylenetetramine, an aldehyde-releasing agent, is used as a preservative in various food, cosmetics, and medical treatments, such as a treatment for urinary tract infections.
Woojin Kim   +8 more
doaj   +1 more source

Use of Laurus nobilis (Noble Bay) essential oil as a preservative for a meat product, Mortadella

open access: yesEQA
Our objective is to find a natural preservative for a food product as an alternative to prohibited chemical substances. The essential oils from the leaves of Laurus nobilis harvested in the Relizane region were characterized by physicochemical methods ...
Asma Boukhennoufa   +5 more
doaj   +1 more source

Grapevine Cane Extracts: Raw Plant Material, Extraction Methods, Quantification, and Applications

open access: yesBiomolecules, 2020
Grapevine canes are viticulture waste that is usually discarded without any further use. However, recent studies have shown that they contain significant concentrations of health-promoting compounds, such as stilbenes, secondary metabolites of plants ...
María José Aliaño-González   +2 more
doaj   +1 more source

Resource Preservability [PDF]

open access: yesQuantum, 2020
Resource theory is a general, model-independent approach aiming to understand the qualitative notion of resource quantitatively. In a given resource theory, free operations are physical processes that do not create the resource and are considered zero-cost.
openaire   +5 more sources

Evaluating Coffee and Rosemary Extracts as Sustainable Alternatives to Synthetic Preservatives

open access: yesCosmetics
Preservatives are essential for ensuring the stability, safety, and efficacy of pharmaceuticals, cosmetics, and food products. However, synthetic preservatives often raise toxicity concerns.
Luiza Aparecida Luna Silvério   +7 more
doaj   +1 more source

Chrysanthemum indicum and Chrysanthemum morifolium: Chemical Composition of Their Essential Oils and Their Potential Use as Natural Preservatives with Antimicrobial and Antioxidant Activities

open access: yesFoods, 2020
The composition of essential oils of Chrysanthemum indicum and C. morifolium were comparatively studied using both Gas Chromatography/Flame ionization Detector (GC/FID) and Gas Chromatography/Mass spectrometry (GC/MS) analyses. The antiviral activity was
Fadia S. Youssef   +5 more
doaj   +1 more source

Development of Natural Castile Soaps from Vegetable Oils

open access: yesExperimed
Objective: Castile soaps are believed to be natural, 100% biodegradable, non-toxic surfactants and in some cases, they have antimicrobial properties. As raw materials, they are used extensively in the cosmetic industry for personal and home care products.
Abdulkerim Bilginer   +1 more
doaj   +1 more source

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

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