(n.) An electro-positive substance, which in electro-decomposition is evolved at the cathode; -- opposed to anion.
Example Sentences:
(1) The actions of the polyvalent cationic dye Ruthenium Red and the enzyme neuraminidase were studied at the frog neuromuscular junction.
(2) Interaction of viable macrophages with cationic particles at 37 degrees C resulted in their "internalization" within vesicles and coated pits and a closer apposition between many segments of plasmalemma than with neutral or anionic substances.
(3) On the other hand, the hydrophilic reagents, 1-ethyl-3-[3-(dimethylamino)-propyl]carbodiimide and N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline, did not affect organic cation transport.
(4) Kup is a separate K+ uptake system with relatively little discrimination in the transport of the cations K+, Rb+, and Cs+.
(5) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
(6) In general, enzyme activity was strongly reduced by heavy metal inorganic cations; less strongly by organometallic cations, some anions, and certain pesticides; and weakly inhibited by light metal cations and organometallic and organic compounds.
(7) Conflicting reports exist on the postprandial response of serum cationic trypsin like immunoreactivity (SCTLI).
(8) Frequent measurement of serum cation and appropriate replacement are recommended when high dose Cisplatin containing regimen is used in chemotherapy of neoplasms.
(9) Binding is inhibited by divalent and trivalent cations (Cd2+ and La3+ being most potent) and other calcium channel drugs (1,4 dihydropyridines, phenylalkylamines, benzothiazepines).
(10) The planar 7H-pyridocarbazole cations form stacks approximately parallel to b. Interactions between stacks occur by weak van der Waals forces.
(11) Bio-Rex 70, a carboxylic acid cation exchanger, is studied as a biological ion-exchanger resin model for cellular cytoplasm.
(12) 45Calcium has been used to compare the kinetics for the transport and bioaccumulation of this regulatory cation in keratinocyte cultures of a kindred with HPS (i.e., one HPS homozygote, one HPS obligate heterozygote, one normal family member, and healthy adult controls).
(13) Although GTP most potently inhibited [125I]beta h-endorphin binding in the presence of sodium, inhibition of [125I]beta h-endorphin binding by GTP was also observed in the presence of the monovalent cations lithium and potassium, but not the divalent cations magnesium, calcium, or manganese.
(14) The fungicidal activity of six rabbit neutrophil cationic peptides (NP) against resting (dormant) spores, preincubated (swollen) spores, and hyphae of Aspergillus fumigatus and Rhizopus oryzae was examined.
(15) No significant relationship was found between these urinary cations and blood pressure.
(16) Cation concentrations were determined in a stratified subsample (n = 89) of the study group.
(17) The cation leak identified in this manner is not prelytic, and it is fully reversible.
(18) Na+ could not be replaced for growth by any other cations or substances.
(19) When the concentration of Ca2+ in the medium was raised to 10 mM was the only extracellular divalent cation present, the depolarization in response to A23187 was increased to 11-8 mV.
(20) Mn2+ had dual effects, stimulating the ECP release in the absence of Mg2+ and Ca2+, and inhibiting the release in the presence of these cations.
Precaution
Definition:
(n.) Previous caution or care; caution previously employed to prevent mischief or secure good; as, his life was saved by precaution.
(n.) A measure taken beforehand to ward off evil or secure good or success; a precautionary act; as, to take precautions against accident.
(v. t.) To warn or caution beforehand.
(v. t.) To take precaution against.
Example Sentences:
(1) This paper details the circumstances of some of the cases and cites precautions to be taken in the use of this therapeutic mode.
(2) Both methods appear useful at routine neurological examination if certain measuring precautions are taken.
(3) Strict precautions are necessary to prevent the catastrophic events resulting from inadvertent gentamicin injection; such precautions should include precise labeling of all injectable solutions on the surgical field, waiting to draw up injectable antibiotics until the time they are needed, and drawing up injectable antibiotics under direct physician observation.
(4) Indications of precautions to be taken are defined and suggestions are drawn up whereby residual laxity in extension may be limited.
(5) An anonymous survey was conducted in order to examine compliance with universal precautions in the Department of Pediatrics at Loyola University Medical Center in Maywood, Illinois.
(6) Because flow and velocity are related, it is possible to estimate flow from velocity measurements with careful calibration and proper precautions.
(7) The precautions in the interpretation, the interest and the sensitiveness of the electroimmunodiffusion techniques are exposed.
(8) When the identification of these categories of patient would be particularly difficult, the precautions should be applied to all patients, in situations of high risk for inoculation incidents.
(9) In this paper, these and related facts were summarized and some precautions were suggested to lessen the increase of resistant strains in this country.
(10) Careful review of the indications for examination, previous radiographs, and clinical history will identify many of the patients at greater risk for complications so that appropriate precautions may be observed.
(11) It allows pieces of bone from cadavers to be harvested several hours after death, without special aseptic precautions.
(12) It is emphasized that the effective use of protective equipment must go hand in hand with safe handling precautions and the adoption of good personal hygiene.
(13) The notable fact was that this complication occurred in three patients hospitalized before treatment began, with whom particularly strict therapeutic precautions were taken, i.e., initial dose less than 10 mg of DEC, very gradual dose increases, and associated anti-allergic treatment.
(14) The recent wave of attacks has put the city in the grip of a toxic anxiety, with parents keeping children away from school, restaurants and public places empty and residents taking a variety of precautions not seen since the height of the second intifada.
(15) Precautions such as avoidance and the possession (and use) of epinephrine can decrease the incidence and severity of such reactions.
(16) lymphnodes and even eyes of patients with HIV-Infection, but requires precaution and control with respect to contamination.
(17) The recommended breach of confidentiality applies only to cases that meet all of the following criteria: (1) A patient knows that he or she has a human immunodeficiency virus (HIV) positive blood test and has been informed of AIDS-related safety precautions, (2) the HIV-positive patient has a mental disorder, and (3) it is reasonable to believe that the mental disorder has significantly impaired or may significantly impair the patient's ability and behavior to follow AIDS-related safety precautions.
(18) The following article details the established control measures, and emphasizes the importance of implementing a permanent program which includes serological screening, policies for disinfection of machines, dialyzers, and environmental surfaces inside the unit, as well as general precautions for blood and other body fluids.
(19) The state of immunity against tetanus of these patients was found to be extremely low, only 9% being fully immunized, and 56% having never received a course of prophylactic adsorbed tetanus toxoid.While prevention is obviously the only real solution to accidents of any nature, legislation is not enough to achieve this, and the final responsibility lies with the farmworker to ensure that all safety precautions are followed.
(20) An asymmetrical approach had to be adopted in almost any case to accomodate to the precautions required in the surgical treatment of the anomaly as well as to the demands on fracture management.