(v. t.) To draw out or forth; to pull out; to remove forcibly from a fixed position, as by traction or suction, etc.; as, to extract a tooth from its socket, a stump from the earth, a splinter from the finger.
(v. t.) To withdraw by expression, distillation, or other mechanical or chemical process; as, to extract an essence. Cf. Abstract, v. t., 6.
(v. t.) To take by selection; to choose out; to cite or quote, as a passage from a book.
(n.) That which is extracted or drawn out.
(n.) A portion of a book or document, separately transcribed; a citation; a quotation.
(n.) A decoction, solution, or infusion made by drawing out from any substance that which gives it its essential and characteristic virtue; essence; as, extract of beef; extract of dandelion; also, any substance so extracted, and characteristic of that from which it is obtained; as, quinine is the most important extract of Peruvian bark.
(n.) A solid preparation obtained by evaporating a solution of a drug, etc., or the fresh juice of a plant; -- distinguished from an abstract. See Abstract, n., 4.
(n.) A peculiar principle once erroneously supposed to form the basis of all vegetable extracts; -- called also the extractive principle.
(n.) Extraction; descent.
(n.) A draught or copy of writing; certified copy of the proceedings in an action and the judgement therein, with an order for execution.
Example Sentences:
(1) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
(2) A phytochemical investigation of an ethanolic extract of the whole plant of Echites hirsuta (Apocynaceae) resulted in the isolation and identification of the flavonoids naringenin, aromadendrin (dihydrokaempferol), and kaempferol; the coumarin fraxetin; the triterpene ursolic acid; and the sterol glycoside sitosteryl glucoside.
(3) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.
(4) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
(5) The specific activities of extracts from cells grown under phototrophic and aerobic conditions were similar and not affected by the concentration of iron in the growth media.
(6) Recovery of CV-3988 from plasma averaged 81.7% for the column procedure and 40% for the organic extraction.
(7) This study was designed to investigate the localization and cyclic regulation of the mRNA for these two IGFBPs in the porcine ovary, RNA was extracted from whole ovaries morphologically classified as immature, preovulatory, and luteal.
(8) These effects are similar to those reported for AVP and phorbol esters, activators of protein kinase C. Forskolin and isoproterenol, which induce cAMP accumulation, activated extractable topoisomerase II (maximum 5-15 min after treatment), but not topoisomerase I. Permeable cyclic nucleotide analogs dBcAMP and 8BrcGMP selectively activated extractable topoisomerase II and topoisomerase I activities, respectively.
(9) Among them, the coumarins, rutins, Centella asiatica extracts, procyanoside oligomers are the most prescribed.
(10) Average fluoroscopy time per procedure was 27.8 minutes of which 15.1 minutes were for nephrostomy tube insertion and 12.7 minutes were for calculi extraction.
(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) To further characterize the molecular forms of GnRH in each species, the extracts were injected into a high pressure liquid chromatograph (HPLC).
(13) Nine of the in vivo synthesized early polypeptides can be precipitated specifically from infected cell extracts by antisera with specificity against early adenovirus proteins.
(14) After absorption of labeled glucose, two pools of trehalose are found in dormant spores, one of which is extractable without breaking the spores, and the other, only after the spores are disintegrated.
(15) Charcoal particles coated with the lipid extract were prepared and the suspension inoculated intravenously into mice.
(16) Long term follow up of extracapsular extraction showed visual results superior to those previously reported for intracapsular extraction.
(17) The ability of cytoplasmic extracts to induce DNA synthesis in isolated, quiescent nuclei.
(18) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(19) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
(20) Sequence specific binding of protein extracts from 13 different yeast species to three oligonucleotide probes and two points mutants derived from Saccharomyces cerevisiae DNA binding proteins were tested using mobility shift assays.
Extractor
Definition:
(n.) One who, or that which, extracts
(n.) A forceps or instrument for extracting substances.
(n.) A device for withdrawing a cartridge or spent cartridge shell from the chamber of the barrel.
Example Sentences:
(1) The Extractor-Centri-dot system demonstrated 61.9% sensitivity and 95.8% specificity in detecting the ANT(2") gene in stool samples containing colonies demonstrating the ANT(2") phenotype.
(2) During long-term treatment with the converting enzyme inhibitor enalapril, peripheral plasma angiotensin II was lowered, while active renin concentration was markedly elevated, both in arterial plasma and in renal venous plasma of the stenotic kidney; the contralateral kidney became a net extractor of active renin.
(3) Removal of broken femoral stems continues to be a difficult technical procedure in hip replacement surgery, despite the development of metal drilling devices and special extractors placed into the drill hole.
(4) All stages of the procedure are carried out using the Brown and semi-automatic extractor equipped with partition tube.
(5) If albumin was substituted for starch in the extractor solution or if the starch-pigment complex was disrupted by treatment with amylase or by boiling, the four-peak pigment rapidly and irreversibly degraded to a second type with a single absorption band at 415 nm.
(6) In the course of the evaluation experiment several kinds of speech stimuli including clean speech, bandpass-filtered speech, and noisy speech were presented to three different pitch extractors.
(7) A case of successful removal of a residual upper ureteral stone (9 X 6 mm) by Rutner balloon dilatation helical stone extractor which moved from renal pelvis during percutaneous nephrolithotomy for right renal pelvic stone (12 X 11 mm), is reported.
(8) Two hundred and ninety-five children delivered by vacuum extractor (VE) 10 years ago were studied to determine if they had an increased incidence of neurological abnormality; 302 children delivered spontaneously in the same hospital looked after by the same doctors in the same year matched for maternal age, gestational age and birthweight were used as controls.
(9) A vacuum extractor was successfully used to elevate a depressed fracture of the parietal bone in a newborn.
(10) The mechanisms of failure included metal breakage at three different locations along the rod or the rod extractor.
(11) Delivery was completed by an application of vacuum extractor.
(12) Disulfide reducing agents such as dithiothreitol (DTT), blocking agents such as p-chloromercuribenzoate (PCMB) (both in the presence of deoxycholate [DOC]), a Ca++ extractor, ethylene glycol-bis (beta- aminoethyl ether) N,N,N',N'-tetraacetate (EGTA), and guanidine caused an opening up of the native dense PSD structure, revealing approximately 10-nm filaments, presumably consisting of "neurofilament" protein.
(13) There is no statistically-significant difference in the incidence of brain injury in infants delivered by means of forceps as compared with the vacuum extractor; there is, however, a significant increase in incidence of brain injury in infants following instrument-aided delivery as opposed to spontaneous delivery.
(14) It is usually delivered by means of O2 extractors, to which may be added small flasks of O2 gas for walking and moving about.
(15) The introduction of vacuum extractors with silicone rubber cups into obstetric units should be encouraged.
(16) The author extracts them by the intrauterine BMK-extractor (Instrumntalia, Zagreb) of his own construction.
(17) Babies born by the means of the vacuum extractor ran an increased risk of cephalhematoma and neonatal jaundice.
(18) The two types of cup were similar in respect of number of failures to deliver with the vacuum extractor, correct positioning of the cup, number of pulls required for delivery and time taken to expedite delivery.
(19) With the aid of this extractor, foreign bodies can be captured and removed quickly, reliably, and without risk to the patient.
(20) 123 women with singleton pregnancies of 37 completed weeks or more, with a cephalic presentation and for whom a decision to deliver by vacuum extraction had been taken, were randomly allocated to the 'New Generation' cup or BIRD's original vacuum extractor cup; 50 mm anterior and posterior cups were used in both groups as appropriate.