What's the difference between food and orcein?

Food


Definition:

  • (n.) What is fed upon; that which goes to support life by being received within, and assimilated by, the organism of an animal or a plant; nutriment; aliment; especially, what is eaten by animals for nourishment.
  • (n.) Anything that instructs the intellect, excites the feelings, or molds habits of character; that which nourishes.
  • (v. t.) To supply with food.

Example Sentences:

  • (1) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
  • (2) After 55 days of unrestricted food availability the body weight of the neonatally deprived rats was approximately 15% lower than that of the controls.
  • (3) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
  • (4) Issues such as healthcare and the NHS, food banks, energy and the general cost of living were conspicuous by their absence.
  • (5) In the clinical trials in which there was complete substitution of fat-modified ruminant foods for conventional ruminant products the fall in serum cholesterol was approximately 10%.
  • (6) Pint from £2.90 The Duke Of York With its smart greige interior, flagstone floor and extensive food menu (not tried), this newcomer feels like a gastropub.
  • (7) Size of household was the most important predictor of both the total level of household food expenditures and the per person level.
  • (8) It is not that the concept of food miles is wrong; it is just too simplistic, say experts.
  • (9) This suggests that hypothalamic NPY might be involved in food choice and that PVNp is important in the regulation of feeding behaviour by NPY.
  • (10) They urged the Department of Environment, Food and Rural Affairs to make air quality a higher priority and release the latest figures on premature deaths.
  • (11) A relative net reduction of 47% in lactose malabsorption was produced by adding food, and the peak-rise in breath H2 was delayed by 2 hours.
  • (12) A sensitive, specific procedure was developed for detecting Escherichia coli O157:H7 in food in less than 20 h. The procedure involves enrichment of 25 g of food in 225 ml of a selective enrichment medium for 16 to 18 h at 37 degrees C with agitation (150 rpm).
  • (13) It was concluded that B. pertussis infection-induced hypoglycaemia was secondary to hyperinsulinaemia, possibly caused by an exaggerated insulin secretory response to food intake.
  • (14) ); and 3) those that multiply and produce large numbers of vegetative cells in the food, then release an active enterotoxin when they sporulate in the gut.
  • (15) (2) The treated animals ingested less liquid and solid food than controls.
  • (16) Resistance to antibiotics have been detected in food poisoning bacteria, namely Salmonella typhimurium, Staphylococcus aureus and Clostridium perfringens.
  • (17) Learning ability was assessed using a radial arm maze task, in which the rats had to visit each of eight arms for a food reward.
  • (18) The UNTR rats were subjected to a continuous food restriction to maintain body weights equal to those of the TR rats.
  • (19) Male Sprague Dawley rats either trained (T, N = 9) for 11 wk on a rodent treadmill, remained sedentary, and were fed ad libitum (S, N = 8) or remained sedentary and were food restricted (pair fed, PF, N = 8) so that final body weights were similar to T. After training, T had significantly higher red gastrocnemius muscle citrate synthase activity compared with S and PF.
  • (20) The alpha 2 agonist, clonidine, produced a larger dose-related increase in food intake in lean rats than in the fatty rats.

Orcein


Definition:

  • (n.) A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus.

Example Sentences:

  • (1) The orcein staining method seems to be a reliable addition to differentiating histologically between PBC and CAH.
  • (2) Microscopic examinations of eggs stained with aceto-orcein or the DNA fluorochrome bisbenzimide and direct observations on isolated sperm aster complexes show that halothane induces polyspermy (multiple sperm entry) when present at fertilization.
  • (3) 5 in whom a clinical and histological diagnosis of Indian Childhood Cirrhosis was made had massive orcein-staining deposits in liver cells.
  • (4) Determination of fungal elastase, however, requires partial purification of culture extracts and the orcein elastin or gravimetric method.
  • (5) All biopsies showing positive orcein staining showed positive immunoperoxidase reaction.
  • (6) The orcein positive substance localized in the cytoplasm of hepatocytes, less often it was also seen in a few Kupffer cells.
  • (7) Aceto-orcein and Giemsa when used cold were found to produce relatively artefact-free preparations.
  • (8) Orcein-positive material in Kupffer cells was not associated with HBsAg as evaluated by the immune peroxidase method.
  • (9) This enzyme was inactivated by diisopropyl fluorophosphate (DFP), phenylmethyl sulphonylfluoride (PMSF), soybean trypsin inhibitor (SBTI), or elastatinal, suggesting a seryl protease resembling elastase, but it failed to digest elastin-orcein.
  • (10) This group of patients may therefore have both biliary disease are hepatocellular damage, and can be separated from CAH by the orcein method.
  • (11) These HBcAg inclusions stain greyish pink with chromotrope aniline blue and are negative for orcein, the periodic acid-Schiff reaction, and the Feulgen reaction for DNA.
  • (12) Liver specimens from 103 patients with various hepatic diseases and from 297 consecutive liver biopsies examined routinely were stained with orcein after oxidation of the tissue sections with potassium permanganate.
  • (13) One conspicuous feature was the substantially reduced quantity of positive elements in comparison with the results of staining with aldehydefuchsine and orceine.
  • (14) Cytofluorometric measurements of orcein-stained chromatin revealed an emission peak at 585 nm with a shoulder at 620 nm.
  • (15) Orcein-positive material was very frequently found in protracted viral hepatitis and in chronic active hepatitis, as well as in other liver diseases with or without cholestasis; it was absent in liver cirrhosis.
  • (16) The pattern of copper distribution in human newborn liver was investigated by histochemical methods (rhodamine, orcein and rubeanic acid) and by atomic absorption spectroscopy.
  • (17) OPHM in HCC was stained with orcein when the tissue sections were preoxidized.
  • (18) It did not correspond to the pattern and texture of material stained with PAS, Sudan Black or acid orcein.
  • (19) root tips) and involves the treatment of root tips with 1-2% solution of trypsin either in buffer or in 0.5 N HCl for 5-10 minutes at 37 C or for 30-60 minutes near 0 C followed by staining with 1.5% acetic orcein: 1 N HCl (19:1).
  • (20) All 17 biopsy specimens from patients with Wilson's disease had high liver copper concentrations, but only nine had positive staining for copper, and six were orcein positive.

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