(n.) A small bottle-shaped vessel for holding fluids; as, a flask of oil or wine.
(n.) A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.
(n.) A bed in a gun carriage.
(n.) The wooden or iron frame which holds the sand, etc., forming the mold used in a foundry; it consists of two or more parts; viz., the cope or top; sometimes, the cheeks, or middle part; and the drag, or bottom part. When there are one or more cheeks, the flask is called a three part flask, four part flask, etc.
Example Sentences:
(1) Plaque size, appearance, and number were influenced by diluent, incubation temperature after nutrient overlay, centrifugation of inoculated tissue cultures, and number of host cells planted initially in each flask.
(2) In both media the DNA and protein content of cultures kept for 3-5 days in the presence of 80-800 nM Buserelin and 1 nM oestradiol were 8-27% lower than those of flasks cultured in the presence of oestradiol alone (P less than 0.05).
(3) The vacuum flask method of using boiling water to decontaminate soft contact lenses is better and less expensive than other ways of using moist heat and can be safely and effectively applied under most domestic circumstances.
(4) With 1-octanol-saturated buffers as mobile phases, a stable baseline (compared to 1-octanol adsorbed on silica) is obtained rapidly, and the log relative retention times are highly correlated with unit slope to log distribution or partition coefficients obtained from the classical shake-flask procedures.
(5) Bacterial and plasmid yields have been shown to be equal to or greater than those obtained using conventional shake flasks.
(6) The carbohydrate compounds of the mucus of flask cells in the kidney of claw-frogs (Xenopus laevis) were studied by gold marked lectins (WGA, RCA, L, LCA, HPA, PNA).
(7) Irradiated melanomas did not grow and did not attach to culture flasks, thus demonstrating that preenucleation irradiation alters the in vitro growth of melanoma cells.
(8) An orbital shaker was used to create a water current in 250-ml Erlenmeyer flasks containing the test larvae.
(9) The cuffed end of each tracheal tube was inserted into the neck of an empty flask, and the tube and flask were flushed with oxygen for 5 min before cuff inflation.
(10) Incubations were carried out in sealed flasks under oxygen concentrations ranging from 0.14 to 21% at 37 degrees.
(11) The reverse difference in the temperatures (higher temperature of the culture flasks) leads to the formation of the reverse pattern of the cell layer, with higher density corresponding to the holes.
(12) By the use of double-chamber tissue culture flasks, with the 2 cell populations separated by a cell impermeable membrane, it was found that T-T interaction does not require cell contact and is thus mediated by factor(s).
(13) Everyone knows that Father Christmas’s tipple of choice is brandy, so Santa, if you’re reading this, we recommend you pause in The Flask on Highgate West Hill for a quick snifter.
(14) The tumor specimens were minced into fragments approximately 1 mm in diameter and cultured in plastic culture flasks in RPMI 1640 medium supplemented with 10% heat-inactivated fetal calf serum (FCS) and 50% patients serum.
(15) Oxygen diffusion distance was measured in solid tumor "cubes" prepared by excising the tumor from the mouse and incubating 1-2 mm sided tumor cubes in spinner culture flasks with fluorescent drugs (AF-2 or DM113) which bind to hypoxic cells.
(16) The growth-promoting effect on haemopoietic cells seems to be independent of the number of marrow cells per culture flask initially inoculated into the cultures to establish the adherent cell layer.
(17) Cells were cultured in Roux flasks in HAM's F-12 medium, and the pH was varied with the final medium change.
(18) The procedure involved the transfer of heavy mold-form inocula to flasks that contained small volumes of brain heart infusion broth.
(19) We have recently shown that the semi-continuous cultivation of a mouse hybridoma line in spinner flasks, with a basal defined medium (BDM) devoid of serum and protein, increases the secretion of the immunoreactive monoclonal antibody (MAb) by a factor of ca.
(20) Cultured human adrenal cortical adenocarcinoma cells (SW-13) form a confluent monolayer of epithelial-like cells when seeded into culture flasks.
Glassware
Definition:
(n.) Ware, or articles collectively, made of glass.
Example Sentences:
(1) This modified assay system obviates the need to sterilize culture medium and glassware.
(2) In order to rationalize work and to reduce the consumption of laboratory glassware a reduction micromethod with the bacterial stain Streptococcus thermophilus has been modified; the method is used to detect inhibitory substances in genuine, pausteurized and dried milk, and it is performed on a serological plate made from organic glass.
(3) A modified Shore procedure for large scale assays in human biopsies was developed including reference luminescence values for all reagents, cleaning material and glassware, reduction of OPD concentration to 0.05%, purification of n-heptan, omission of centrifugation steps in the extraction procedure and use of 2 ml 1 M HClO4 in the homogenization step to prevent losses of histamine due to adherence to the mechanical homogenizer.
(4) These factors include pH readjustment to 7.40 after serum storage; choice of buffers for dialysis; the effect of phosphate buffer ionic strength; temperature of storage for serum samples; the use of untreated versus silanized glassware for storage; and age of serum.
(5) A simple procedure for culturing mouse embryos during early organogenetic stages is described in this report that will be of value to teratologists; it avoids the requirements of special glassware and equipment by using ordinary capped test tubes which are rotated tomaintain and efficient nutritional and gaseous evnironment.
(6) The following conditions adversely affect the reproducibility of the test: pollution of laboratory atmosphere and glassware by NH3-containing detergents; smoking by patient or analyst; delay, turbulence, or use of heparin lock in venipuncture; delay or warming of plasma above degrees C before mixing it with resin; and delay in colorimetric analysis of resin eluate.
(7) After pasteurization, however, the product became contaminated with a secondary Enterococcus infection due to the improperly cleaned glassware and equipment.
(8) Replacement of Soxhlet extraction with the sonication technique results in reduced sample preparation time, decreased volumes of solvents and sample, and substitution of common laboratory glassware in place of fragile, expensive Soxhlet glassware.
(9) Much of what you’re paying for at this level isn’t just what you’re putting down your neck, but service and ambience – the perfection of glittering glassware, exquisite presentation, the ministrations of the senior sommelier.
(10) With new designs – the glassware is still for sale today – the pair dropped clocks and plates which were part of their range to focus solely on the kitchen at around the same time as Richard had a eureka moment in New York.
(11) The major technical difficulties in meeting this apparently simple proposition are: establishing adequately sensitive radioimmunoassays; avoidance of adhesion to ultrafilters and glassware; removal from the ultrafilters of compounds which would cross-react or interfere in the radioimmunoassays; and avoidance of co-filtration of thyroid hormone binding proteins in serum, which would obviously imply spurious data.
(12) This upper limit appears to be set by the inability to completely eliminate catalytic metal contamination of solutions and glassware.
(13) Poor precision in the first 2 studies was caused by a number of factors, including use of contaminated glassware, improperly maintained instruments, and impure reagents as standards.
(14) The purified radioligands showed similar chemical properties (stability to storage, efficient phase separation with dextran-coated charcoal, low adsorption to glassware).
(15) Unsurprisingly, interviewees often found meaning in heirlooms: books engraved with family names, and antiques and glassware from their grandparents.
(16) On the contrary, in the cells adhered to the substratum of glassware, no degeneration and no inhibitory effect were observed.
(17) Results showed that either of the 2 subdued light conditions, yellow or golden fluorescent light, is suitable in vitamin B6 assays and that low actinic glassware is suitable for storing sample solutions.
(18) A brief overview of the field of analytical artifacts is provided, with examples of solvent impurities, stabilizers, polymer additives, and problems relating to Teflon, glassware, and laboratory contaminants.
(19) As chairman of the fine china and glassware firm, O'Reilly had invested €400m over the past five years along with his brother-in-law, Peter Goulandris, and the private equity fund Lazard Alternative Investments.
(20) BAL was performed in all subjects, 3 x 60 ml aliquots of buffered saline being introduced into a segment of the middle lobe and immediately aspirated into siliconized glassware at 4 degrees C. After filtration, cells were counted, and the cell pellet resuspended in medium 199.