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Assessing Reuse of Hypodermic Needles in Mice by means of Digital Imaging, Photomicrography, Bacterial Culture, Analysis of Nest Building, and Animal Vocalization.
J Am Assoc Lab Anim Sci
May 2023
Previously affiliated with Oncology Research and Development, Pfizer, Pearl River, New York.
Hypodermic needles are sometimes reused in animal research settings to preserve the viability of and to conserve limited quantities of injected material. However, the reuse of needles is strongly discouraged in human medicine to prevent inju- ries and the spread of infectious disease. No official guidelines prohibit needle reuse in veterinary medicine, although the practice may be discouraged.
View Article and Find Full Text PDFThe effect of noisome preparation methods in encapsulating 5-fluorouracil and real time cell assay against HCT-116 colon cancer cell line.
Heliyon
December 2022
Department of Pharmaceutical Technology and Industrial Pharmacy, University of Nigeria, Nsukka, Nigeria.
The formulation of niosomes is influenced by a number of variables, and these variables may eventually affect the formulation's outcome. One of the elements that can influence the physico-chemical properties of niosomes is the method used in preparation of the formulation. In this study, we established if various methods of preparation have any impact on the prepared vesicles when loaded with 5-fluorouracil.
View Article and Find Full Text PDFRedescription of the Planthopper (Dufour, 1849), with a New Record from Greece (Hemiptera: Fulgoromorpha: Dictyopharidae).
Zool Stud
September 2022
Department of Natural Sciences, National Museum of Wales, Cardiff, CF10 3NP, United Kingdom. E-mail: (Wilson).
(Dufour, 1849) is the most widespread species of the planthopper subfamily Orgeriinae (Hemiptera: Fulgoromorpha: Dictyopharidae) in Europe, found from the Iberian Peninsula to the Western Balkans. However, its diagnostically important genitalia and biology have been insufficiently described. We employ state-of-the-art synchrotron X-ray microtomography and photomicrography to re-describe , and to study the morphology of both its sexes in unprecedented detail.
View Article and Find Full Text PDFAerofloral studies and allergenicity of dominant pollen types in Taraba and Bauchi States of Northeastern Nigeria.
Sci Total Environ
November 2022
Department of Botany, University of Lagos, Lagos, Nigeria.
Pollen and spores have been identified as major airborne bio-particles inducing respiratory disorders including allergic rhinitis and atopic dermatitis among hypersensitive individuals. The present study was conducted with a view to investigating monthly depositional rate of atmospheric palynomorphs to determine the influence of the immediate vegetation on airborne pollen distribution; allergenic activities of dominant atmospheric pollen types at selected study locations in Taraba and Bauchi States, Northeastern Nigeria. Bioaerosols were collected using Tauber-like pollen traps and subjected to standard palynological treatment procedures, microscopy and photomicrography.
View Article and Find Full Text PDFMorphological diversity of benthic cyanobacterial assemblages in meltwater ponds along environmental gradients in the McMurdo Sound region, Antarctica.
An Acad Bras Cienc
April 2022
University of Canterbury, Gateway Antarctica, Forestrey Rd, Ilam, Christchurch 8041, New Zealand.
Benthic cyanobacterial assemblages from ponds distributed along inland-coastal gradients in the McMurdo Sound region were studied during the 2011/12 Antarctic summer season. Twenty-five ponds were sampled in four distinct geographic locations, including the Lower and Upper Wright Valleys, Ross Island and the McMurdo Ice Shelf. For morphological identification, benthic mat samples were thawed and a subsample was directly observed by light microscopy.
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