(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.
Protocol
Definition:
(n.) The original copy of any writing, as of a deed, treaty, dispatch, or other instrument.
(n.) The minutes, or rough draught, of an instrument or transaction.
(n.) A preliminary document upon the basis of which negotiations are carried on.
(n.) A convention not formally ratified.
(n.) An agreement of diplomatists indicating the results reached by them at a particular stage of a negotiation.
(v. t.) To make a protocol of.
(v. i.) To make or write protocols, or first draughts; to issue protocols.
Example Sentences:
(1) In addition, this pretreatment protocol did not modify the recipient immune response against B-lymphocyte alloantigens which developed in unsuccessful transplants.
(2) An effective graft-surveillance protocol needs to be applicable to all patients; practical in terms of time, effort, and cost; reliable; and able to detect, grade, and assess progression of lesions.
(3) Participants (n=165) entering a week-long outpatient education program completed a protocol measuring self-care patterns, glycosylated hemoglobin levels, and emotional well-being.
(4) Two cases with primary Carcinoma in situ (Cis) were treated with the same protocol.
(5) However, there was no consistent protocol for the method or duration of drug administration.
(6) Survival was independent of the type of clinical presentation and protocol employed but was correlated with the stage (P less than 0.0005), symptoms (P less than 0.025), bulky disease (P less than 0.025) and bone marrow involvement (P less than 0.025).
(7) This new protocol has increased the effectiveness of the toxicology laboratory and enhanced the efficiency of the house staff.
(8) Our results on humoral and cellular components of immunity in dependence of age, according to SENIEUR protocol admission criteria are presented.
(9) Based upon our clinical experience and this review of the literature, a suggested management protocol is presented.
(10) A standard protocol is reported for the highly efficient demonstration of replication patterns corresponding to R-type and G-type banding.
(11) Three-year and short-term instillation protocols were compared with each other and with the combination of the two.
(12) The use of a major pancreatic resection for the surgical management of necrotizing pancreatitis should be excluded from treatment protocols.
(13) We conclude that, whereas an identical protocol of acute ND had no significant effects on diaphragm muscle structure and function in adult rats, adolescent animals exhibit significantly less nutritional reserve.
(14) We outline a protocol for presenting the diagnosis of pseudoseizure with the goal of conveying to the patient the importance of knowing the nonepileptic nature of the spells and the need for psychiatric follow-up.
(15) The protocols which were developed in these studies also provide an effective maneuver for tumor-specific immunotherapy.
(16) In a previous report dealing with the guanidine hydrochloride protocol for the extraction of RNA from mouse peritoneal macrophages, we identified a major source of RNA-degrading activity and showed that its removal early in the extraction procedure resulted in a more dependable method for the recovery of high-quality RNA.
(17) Various protocols were employed to induce LTP and were deemed successful as evaluated by recording sustained enhancement of the mean peak amplitude of conventionally elicited large compound EPSPs and extracellular field potentials.
(18) This is the final report of the Phase I Protocol for the initial clinical study of Multiple Dose WR-2721 with radiotherapy (RTOG 80-02).
(19) This paper evaluates 94 patients with AAF and 462 patients with GBM treated with radiation therapy with or without BCNU on 3 consecutive randomized protocols of the Radiation Therapy Oncology Group (RTOG) between 1974 and 1983.
(20) The patients were included in a protocol including orthopedic and US controls.