Results 11 to 20 of about 314,842 (260)

Why we get a blue stain. [PDF]

open access: yesEye (Lond), 2012
Sir, We wish to add our comments to the recent review article describing the use of trypan blue (TB) in anterior segment surgery.1 To understand its potential uses, we need some knowledge of its biochemistry. TB (C34H23N6O14S4Na4) is a negatively charged, water soluble bis-axo dye that is used in cell biology to confirm cell viability.
Khan K, Khan R.
europepmc   +4 more sources

Extraction and Characterization of A Chromosomal Stain From Black Mulberry (Morus Nigra) [PDF]

open access: yesEngineering and Technology Journal, 2010
A dark-blue chromosomal stain from Black Mulberry (Morus nigra) wasextracted using organic solvents including dioxane, n-hexane, petroleum ether andacetone. This extracted stain stained chromosomes satisfactory.
Mukaram Shikara   +2 more
doaj   +1 more source

Comparison Between The Efficacy Of Different Laboratory Methods For Diagnosis Of Cryptosporidium

open access: yesThe Iraqi Journal of Veterinary Medicine, 2004
This study was performed to detect the effective laboratory method for diagnosis of Cryptosporidium spp. in patients attending the laboratories of Al-Tameem General Hospital and Kirkuk Paediatric Hospital in Kirkuk city, for the period from the beginning
Mohammed A. Kadir   +2 more
doaj   +1 more source

A Comparison between Conventional Leishman Stain and a Modified Blood Stain for the Evaluation of Haematologic Elements [PDF]

open access: yesNational Journal of Laboratory Medicine, 2020
Introduction: Leishman is the most common Romanowsky stain globally used for studying peripheral blood morphology. Leishman stain is a compound neutral dye using combination of either eosin Y or eosin B with partially oxidised methylene blue ...
Aiswarya Anithakumari Manmadhan   +2 more
doaj   +1 more source

Blue-stained Flints [PDF]

open access: yesNature, 1904
SOME years ago there were many blue-stained flints on a road near Cambridge. Lime from gas-works was about to be mixed with the flints used as road-metal, and the two different materials had lain for some time in heaps by the roadside. The blue colour, in some instances very intense, was developed wherever a heap of flints and one of lime touched each ...
openaire   +5 more sources

Blue-stain development on Norway spruce logs under alpine conditions

open access: yesSilva Fennica, 2023
Discoloration of the sapwood caused by blue-stain fungi on conifer logs during interim storage causes significant loss to the forest industry. The fungal infection is often associated with bark beetle attacks because the spores are transmitted by the ...
Stephan Böhm   +3 more
doaj   +1 more source

Evaluation of different staining techniques for detection of Cryptosporidium oocysts in backyard chickens ((Gallus gallus domesticus)) [PDF]

open access: yesBasrah Journal of Veterinary Research
In this study, the parasite Cryptosporidium spp. was investigated in backyard chicken and the effect of age and sex on the infection rate was studied. All samples taken from feces and intestinal contents were examined microscopically by staining methods ...
Nadia Mohammed, Abdullah Abdullah
doaj   +1 more source

Imprint cytology: a useful screening test for diagnosis of Helicobacter pylori in resource poor settings

open access: yesBMC Research Notes, 2018
Objective The study aimed to compare the usefulness of two staining methods for imprint cytology for diagnosis of Helicobacter pylori infection. Gastric biopsy specimens (from dyspeptic patients attending routine upper gastrointestinal endoscopy) were ...
Piyumali Sandareka Arachchi   +5 more
doaj   +1 more source

Quantification of polysaccharides fixed to Gram stained slides using lactophenol cotton blue and digital image processing [version 5; referees: 2 approved, 1 approved with reservations]

open access: yesF1000Research, 2017
Dark blue rings and circles emerged when the non-specific polysaccharide stain lactophenol cotton blue was added to Gram stained slides. The dark blue staining is attributable to the presence of capsular polysaccharides and bacterial slime associated ...
Bryan Ericksen
doaj   +1 more source

Histochemical study of proventriculus in pre-hatch and post-hatch days in northern bobwhite quail (Colinus virginianus) [PDF]

open access: yesIraqi Journal of Veterinary Sciences, 2022
The present study was designed to investigate the histochemical developmental changes of the proventriculus at pre-hatching and post-hatching in the northern bobwhite quail at periods 11- and 15-days pre-hatching in addition to 14- and 21-days post ...
Siraj M. Al-Kafagy   +2 more
doaj   +1 more source

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