(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.
Standard
Definition:
(n.) A flag; colors; a banner; especially, a national or other ensign.
(n.) That which is established by authority as a rule for the measure of quantity, extent, value, or quality; esp., the original specimen weight or measure sanctioned by government, as the standard pound, gallon, or yard.
(n.) That which is established as a rule or model by authority, custom, or general consent; criterion; test.
(n.) The proportion of weights of fine metal and alloy established by authority.
(n.) A tree of natural size supported by its own stem, and not dwarfed by grafting on the stock of a smaller species nor trained upon a wall or trellis.
(n.) The upper petal or banner of a papilionaceous corolla.
(n.) An upright support, as one of the poles of a scaffold; any upright in framing.
(n.) An inverted knee timber placed upon the deck instead of beneath it, with its vertical branch turned upward from that which lies horizontally.
(n.) The sheth of a plow.
(n.) A large drinking cup.
(a.) Being, affording, or according with, a standard for comparison and judgment; as, standard time; standard weights and measures; a standard authority as to nautical terms; standard gold or silver.
(a.) Hence: Having a recognized and permanent value; as, standard works in history; standard authors.
(a.) Not supported by, or fastened to, a wall; as, standard fruit trees.
(a.) Not of the dwarf kind; as, a standard pear tree.
Example Sentences:
(1) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
(2) Standardization is possible after correction by the protein content of each individual section.
(3) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
(4) The cumulative incidence of grade II and III acute GVHD in the 'low dose' cyclosporin group was 42% compared to 51% in the 'standard dose' group (P = 0.60).
(5) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
(6) Anytime they feel parts of the Basic Law are not up to their current standards of political correctness, they will change it and tell Hong Kong courts to obey.
(7) Standard nerve conduction techniques using constant measured distances were applied to evaluate the median, ulnar and radial nerves.
(8) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
(9) Lysis of EAC4b,3b cellular intermediates formed to contain a low surface amount of C3b was more inhibited than was lysis of cells formed with a standard amount of C3b on the surface.
(10) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
(11) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
(12) The enzyme was quantitated by incubation of 16-micron-thick brain sections with 0.07-2 nM of the converting enzyme inhibitor 125I-351A and comparison to 125I-standards.
(13) The UK's standard position on ICC indictees is to avoid all contact unless "essential".
(14) The examination of the standard waves' amplitude and latency of the brain stem auditory evoked response (BAEP) was performed in 20 guinea pigs (males and females, weighing 250 to 300 g).
(15) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
(16) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
(17) The cyclical nature of pyromania has parallels in cycles of reform in standards of civil commitment (Livermore, Malmquist & Meehl, 1958; Dershowitz, 1974), in the use of physical therapies and medications (Tourney, 1967; Mora, 1974), in treatment of the chronically mentally ill (Deutsch, 1949; Morrissey & Goldman, 1984), and in institutional practices (Treffert, 1967; Morrissey, Goldman & Klerman (1980).
(18) The standard varies from modest to lavish – choose carefully and you could be staying in an antique-filled room with your host's paintings on the walls, and breakfasting on the veranda of a tropical garden.
(19) A technique, using Nuclepore polycarbonate membrane filters as a containing medium for very small volumes of ionic standard solutions, to produce homogeneous ice standards is described.
(20) A number of variables which could influence the test has been evaluated and standardized in a way suitable for the routinary use of the technique described.