(1) The Na+ ionophore, gramicidin, had a small but significant inhibitory effect on Na(+)-dependent KG uptake, demonstrating that KG uptake was not the result of an intravesicular positive Na+ diffusion potential.
(2) Neutrons induced a dose-dependent cytotoxicity and mutation frequency in the AL cells.
(3) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
(4) Between 25 and 40 degrees C, the thermal dependencies of VR and f were approximately constant (Q10's of 1.31 and 1.36 got VR and f, respectively).
(5) Cellulase regulation appears to depend upon a complex relationship involving catabolite repression, inhibition, and induction.
(6) We also show that proliferation of primary amnion cells is not dependent on a high c-fos expression, suggesting that the function of c-fos is more likely to be associated with other cellular functions in the differentiated amnion cell.
(7) We propose that this dependence on coexpression reflects the association between the LTA::STa hybrids and LTB subunits.
(8) These results show that the pathogenic phenotypes of MCF viruses are dissociable from the thymotropic phenotype and depend, at least in part, upon the enhancer sequences.
(9) 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.
(10) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
(11) Single-case experimental designs are presented and discussed from several points of view: Historical antecedents, assessment of the dependent variable, internal and external validity and pre-experimental vs experimental single-case designs.
(12) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
(13) The PSB dioxygenase system displayed a narrow substrate range: none of 18 sulphonated or non-sulphonated analogues of PSB showed significant substrate-dependent O2 uptake.
(14) 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.
(15) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
(16) In contrast, the effects of deltamethrin and cypermethrin promote transmitter release by a Na+ dependent process.
(17) 5 pregnant insulin-dependent diabetics were also studied.
(18) RNAs encoding a wild-type (RBK1) and a mutant (RBK1(Y379V,V381T); RBK1*) subunit of voltage-dependent potassium channels were injected into Xenopus oocytes.
(19) Photoirradiation of F1 in the presence of the analog leads to inactivation depending linearly on the incorporation of label.
(20) [Ca2+]i exhibited a sigmoidal dependence on [Na+]o. Mg2+, a competitive inhibitor of Na2+-Ca2+ antiport in these cells, antagonized the increase in [Ca2+]i produced by lowering [Na+]o.
Undependable
Definition:
Example Sentences:
(1) Serology is often more accurate, but is also more costly and should be reserved for those cases in which other analytical methods are either impossible or too undependable (low transmission level).
(2) The unsoluble cell ingredient is a comparatively toxic preparation, producing an undependable immunosuppressive effect.
(3) The design of cancer chemoprevention trials for prostate presents several problems, such as the age of the study population and undependable methods for detecting microscopic foci by sequential sampling.
(4) The composition of the peptides of the intestinal content is essentially undependent of the amino-acid composition of the diet.
(5) It is undependable during postpartum, lactation, and at the end of the childbearing years, however.
(6) A technique using chloroform effectively preserved all sixteen pesticides for the three weeks of the study and refrigeration was effective for fourteen of the pesticides, but buffers of pH 4 and pH 7 appeared undependable as preservatives.
(7) As founder of the ureteral catheterisation and the functional renal diagnostics he helped the urology, for the recognition of which as an undependent subject he fought a life-long struggle, to further reputation.
(8) The method for isolating the virus on chick embryos from immune birds have proved undependable: the higher the immunity of birds, the lower the probability of virus isolation.
(9) The kinetics of ADH is undependent on concentration, the MEOS is inducible.
(10) Possible roles for aldosterone, ADH and progesterone in maintaining fluid and electrolyte balance are discussed, emphasising problems confronting species which have evolved with heavy obligatory potassium excretion but undependable supplies of sodium and water.
(11) "In an ironic twist the formerly undependable Winnie [Mandela's wife] has now become one of the most effective channels to Mandela."
(12) The position and shape of the jugular bulb are undependable, and thus can add difficulty to temporal bone surgery.
(13) The distribution of the neuropathic changes was undependent of the underlying disorder.
(14) Undependently of this result the distribution of the rate of prematures by twins is evaluated for the order of birthes and borns and for child bearing age.
(15) Rectal temperature, not surprisingly, was found to be a late and undependable early indicator of developing hyperthermia, requiring about 15 minutes to exhibit a definite increase.
(16) However most of the published studies show that duration in intensive care is similar undepending of age and outcome of the patient.
(17) The clinical signs and symptoms of the disorder are nonspecific, and the results of laboratory tests are undependable.
(18) The contributions to unreliability variance (Sr2) that occur as a result of measuring errors (Sp2, imprecision variance) and of intrasubject fluctuations in a measurement due to physiologic factors (Sd2, undependability) were estimated (Sr2 = Sp2 + Sd2).
(19) Method III (isotopic steady-state method) proved to be undependable because of uncertainties in determining the existence of an isotopic steady state.
(20) The relationship of low social class to the onset of depression is discussed in the light of better-known vulnerability factors such as low confiding in, and undependability of, marital partner, employment outside the home and number of children.