What's the difference between factor and vector?

Factor


Definition:

  • (n.) One who transacts business for another; an agent; a substitute; especially, a mercantile agent who buys and sells goods and transacts business for others in commission; a commission merchant or consignee. He may be a home factor or a foreign factor. He may buy and sell in his own name, and he is intrusted with the possession and control of the goods; and in these respects he differs from a broker.
  • (n.) A steward or bailiff of an estate.
  • (n.) One of the elements or quantities which, when multiplied together, from a product.
  • (n.) One of the elements, circumstances, or influences which contribute to produce a result; a constituent.
  • (v. t.) To resolve (a quantity) into its factors.

Example Sentences:

  • (1) These factors might account for the lower systemic bioavailability of these compounds.
  • (2) The effect of insulin-like growth factor I (IGF-I) on growth of small cell lung cancer (SCLC) cell lines was studied.
  • (3) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
  • (4) We attribute this in part to early diagnosis by computed tomography (CT), but a contributory factor may be earlier referrals from country centres to a paediatric trauma centre and rapid transfer, by air or road, by medical retrieval teams.
  • (5) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
  • (6) Perinatal mortality is strongly associated with obstetrical factors, respiratory distress syndrome, and prematurity.
  • (7) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
  • (8) A study of factors influencing genetic counseling attendance rate has been conducted in the Bouches-du-Rhône area, in the south of France.
  • (9) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (10) The major treatable risk factors in thromboembolic stroke are hypertension and transient ischemic attacks (TIA).
  • (11) In this study, the role of psychological make-up was assessed as a risk factor in the etiology of vasospasm in variant angina (VA) using the Cornell Medical Index (CMI).
  • (12) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
  • (13) The observed relationship between prorenin and renin substrate concentrations might be a consequence of their regulation by common factors.
  • (14) Under blood preservation conditions the difference of the rates of ATP-production and -consumption is the most important factor for a high ATP-level over long periods.
  • (15) Male sex, age under 19 or over 45, few social supports, and a history of previous suicide attempts are all factors associated with increased suicide rates.
  • (16) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
  • (17) It was concluded that the significant factors affecting outcome are tumor cell type and presence or absence or mitoses.
  • (18) Bradykinin also stimulated arachidonic acid release in decidual fibroblasts, an effect which was potentiated in the presence of epidermal growth factor (EGF), but which was not accompanied by an increase in PGF2 alpha production.
  • (19) In choosing between various scanning techniques the factors to be considered include availability, cost, the type of equipment, the expertise of the medical and technical staff, and the inherent capabilities of the system.
  • (20) Nutritional factors or environmental toxins have important effects on CNS degenerative changes.

Vector


Definition:

  • (n.) Same as Radius vector.
  • (n.) A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.

Example Sentences:

  • (1) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
  • (2) A beta-adrenergic receptor cDNA cloned into a eukaryotic expression vector reliably induces high levels of beta-adrenergic receptor expression in 2-12% of COS cell colonies transfected with this plasmid after experimental conditions are optimized.
  • (3) We have constructed retroviral vectors derived from the genome of avian erythroblastosis virus ES4 (AEV ES4).
  • (4) The 6.6-kb DNA Bam HI fragment containing the resistance gene was cloned with the plasmid vector pIJ699.
  • (5) The plasmid pMucAMucB, constructed from the Haemophilus influenzae vector pDM2, and a similar plasmid, constructed from pBR322, increased the survival after UV irradiation of Escherichia coli AB1157 with the umu-36 mutation and also caused UV-induced mutation in the E. coli strain.
  • (6) In assessing damaged nets and curtains it must be recognised that anything less than the best vector control may have no appreciable impact on holoendemic malaria.
  • (7) When an expression vector containing plasminogen cDNA is transfected into baby hamster kidney cells, the number of drug-resistant colonies as well as the levels of plasminogen secreted by those colonies is lower than observed in similar transfections of other protease precursor genes.
  • (8) The vector is relatively small (6 kilobase pairs) and contains a portion of the L. seymouri alpha-tubulin gene positioned in-frame with a truncated neomycin phosphotransferase gene that confers resistance to the aminoglycoside G418.
  • (9) The presence of potential insect vectors and the occurrence of clinical signs are indications of active transmissions.
  • (10) Subcloning of pLR beta 118 into a transcription vector with subsequent in vitro transcription and translation using the reticulocyte lysate system in the presence of microsomes followed by immunoprecipitation with mAb OX6 and two-dimensional gel electrophoresis revealed the intact RT1.B beta I-chain.
  • (11) It is the most commonly reported vector-borne disease in the United States, where the incidence is highest in the eastern and midwestern states.
  • (12) The primary focus of the government at this point is vector control,” said Nadal.
  • (13) Transfer of the shuttle vectors from B. uniformis donors to E. coli occurred at the same frequencies when the matings were done aerobically or anaerobically.
  • (14) Discovery of this vectorhost-parasite system in the Americas, and the localization of promastigote flagellates (leptomonads) in the hindgut of the vector, should assist in clarifying interpretative problems associated with infection of wild-caught flies in studies on leishmaniasis in the Americas and elsewhere.
  • (15) ELISA, cDNA dot blot hybridization and transmission by vector aphids were used to investigate the occurrence and degree of cross-protection produced in oat plants by virus isolates representing five strains or serotypes of barley yellow dwarf virus, namely PAV, MAV, SGV, RPV and RMV.
  • (16) The results suggests that abrin B chain of chimeric protein may act as a vector to carry ACTI into the tumor cells.
  • (17) The peak biting activity of the vector and peak appearance of microfilariae in the peripheral blood occurred at about 01.00 h, which accounts for the optimum infection of the vector population.
  • (18) The transposon-containing plasmids were used to localize essential replication functions and to characterize the stability of large inserts in these vectors.
  • (19) A recombinant gene encoding human growth hormone (hGH) was stably introduced into cultured myoblasts with a retroviral vector.
  • (20) While it has been possible to readily produce large numbers of such templates from M13 or other single-stranded vectors for several years, the sequencing of double-stranded DNA templates using the ABI 373 DNA Sequencer has had a considerably lower success rate.