(a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
(n.) Something that has no force or meaning.
(n.) That which has no value; a cipher; zero.
(v. t.) To annul.
(n.) One of the beads in nulled work.
Example Sentences:
(1) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
(2) DR(+) cells, however, showed no change in percentage and a lesser drop in absolute numbers, suggesting an increase with advancing disease of DR(+), Ig(-) null cells, which may represent immature B cell precursors.
(3) In this report we describe an improvement upon the design by Stanton and Lightfoot for a simple photographic null method to determine the kVp of a diagnostic region x-ray source.
(4) At least two (Rh null and the McLeod type) are responsible for congenital hemolytic disorders.
(5) (2) Sequences of brightness steps of like polarity (either increments or decrements) elicit positive and negative motion-dependent response components when mimicking motion in the cell's preferred and null direction, respectively.
(6) The analysis also involved statistical tests of a modified null hypothesis, the generation of confidence intervals (CIs) and a meta-analysis.
(7) The null potential of both responses became more and less negative with a decrease and an increase, respectively, in the extracellular potassium concentration.
(8) The null mutation of algR was generated in a mucoid derivative of the standard genetic strain PAO responsive to different environmental factors.
(9) Endoneurial fluid pressure (EFP) was recorded by an active, servo-null pressure system after a glass micropipette was inserted into rat sciatic nerve undergoing wallerian degeneration.
(10) In thymo-deprived mice (nude mice and B mice) the percentage of null cells increases during the stage of regeneration, and B mice develop a large number of Ig +-bearing cells.
(11) Alkaline phosphatase activity was elevated in the lymphocytes from T-CLL, cord blood and tonsils and the blast cells from Null-ALL.
(12) Analysis of ldlA cells has identified three classes of mutant alleles at the ldlA locus: null alleles, alleles that code for normally processed receptors that cannot bind LDL, and alleles that code for abnormally processed receptors.
(13) Putative null sup-38 mutations cause maternal-effect lethality which is rescued by a wild-type copy of the locus in the zygote.
(14) Null cells of patients with hypoplastic anemia did not produce erythroid colonies under any culture conditions.
(15) Comparison of simulated versus actual inheritance data demonstrates that the so-called null structural alleles actually produce functional globins.--The genetic controls in Peromyscus may be analogous to those in primates.
(16) A null zone and associated sudden phase-reversal of RSA were observed in stratum lucidum of CA3.
(17) When the stimulus is placed at a position approximately 80 degrees dorsal to the eye axis, there is no response; this area is called the null region.
(18) Northern blot analysis showed that Adh-1 mRNA was synthesized at wild-type levels in immature seeds of the null mutant, but dropped to 25% in mature seeds.
(19) Two tumours were null cell adenomas with PIs less than 0.1 and 0.2%.
(20) Thus this methodology offers the potential to study naturally occurring ADH electromorphs and null alleles independent of enzymatic activity assays.
Strainer
Definition:
(n.) One who strains.
(n.) That through which any liquid is passed for purification or to separate it from solid matter; anything, as a screen or a cloth, used to strain a liquid; a device of the character of a sieve or of a filter; specifically, an openwork or perforated screen, as for the end of the suction pipe of a pump, to prevent large solid bodies from entering with a liquid.
Example Sentences:
(1) The tissue was sieved through a large strainer (2 mm2) to produce a homogeneous suspension.
(2) The Brooklyn Bridge Park, High Line and Low Line parks are healthy gauges of this, along with project +POOL , a “plus” shaped pool which will act like a giant strainer dropped into the Hudson river.
(3) In chaps, a battered Stetson and with a soup-strainer moustache, Tex immediately provided – to fans of old western movies like us – a far more thrilling encounter than anything Sin City could offer.
(4) The authors describe a method of plasty of proximal parts of the femoral diaphysis with a nonfree vascularized autotransplant from the iliac crest on the muscular-vascular connections including the strainer of the wide fascia, portion of the musculus gluteus medius and the feeding ascending branch of the lateral artery surrounding the femoral bone with the accompanying veins.
(5) The wash procedure consisted of a jet of tap water over the specimen contained in a tea strainer.
(6) Alternatively, you can chop all the ingredients and pop them into a powerful blender with 120ml of water, then pass the mixture through a fine-mesh strainer into a glass.
(7) Application of temephos in unsafe water sources for destroying cyclops, the intermediate hosts of guineaworm, and distribution of fine mesh nylon strainers for promoting prophylaxis against guineaworm are accepted methods of guineaworm control in different endemic countries.
(8) 4 Pour the liquor through a strainer, retaining both liquid and solids.
(9) Occasionally, he’d stray into being a bee, sporting a couple of tea strainers over his eyes.
(10) This procedure utilized a tea strainer, plastic cup and conical centrifuge tube, all of which could be made available at a minimally equipped laboratory.
(11) No worries if you don't have a juicer: a blender and a strainer do the trick.
(12) Alternatively, you can chop all the ingredients and pop them into a powerful blender with 120ml of water, then pass the mixture through a fine-mesh strainer and drink immediately.
(13) Also, a single isolate of L. ivanovii was obtained from a mesh screen strainer of the waste water treatment plant located near the works.
(14) Hyperchlorination of shower heads and angle valve strainers had only a short-lived effect on legionellae.
(15) 4 Strain with a tea strainer and serve (preferably in two old-fashioned teacups).