(v. t.) To subject to great heat, and then cool slowly, as glass, cast iron, steel, or other metal, for the purpose of rendering it less brittle; to temper; to toughen.
(v. t.) To heat, as glass, tiles, or earthenware, in order to fix the colors laid on them.
Example Sentences:
(1) Single-stranded circles did not form if a limited number of nucleotides were removed from the 3' ends of native molecules by Escherichia coli exonuclease III digestion prior to denaturation and annealing.
(2) Single-stranded linear DNAs were prepared by separating strands of duplex molecules or by cleaving single-stranded circles at a unique restriction site created by annealing a short defined oligonucleotide to the circle.
(3) Optimum specific amplification resulted when the primer annealing temperature was 60 degrees C. The gene fragment was amplifiable in 25 different Brucella species and strains.
(4) The solution conformation of an antibacterial protein sapecin has been determined by 1H nuclear magnetic resonance (NMR) and dynamical simulated annealing calculations.
(5) The UV sensitivity was found to increase with increasing preliminary gamma exposure above 10(-2)Ckg-1 (after a post-irradiation anneal at 300 degrees C for 1 h).
(6) The addition of Mg2+ to the dialyzing solution resulted in the formation of short intermediate-sized filaments even at 4 degrees C. Further dialysis of the short intermediate-sized filaments against reassembly solution containing both NaCl and MgCl2 at 37 degrees C failed to elongate them into longer filaments, suggesting that annealing does not contribute to the elongation of neurofilaments.
(7) The crystal structure of the complex between neuraminidase from influenza virus (subtype N9 and isolated from an avian source) and the antigen-binding fragment (Fab) of monoclonal antibody NC41 has been refined by both least-squares and simulated annealing methods to an R-factor of 0.191 using 31,846 diffraction data in the resolution range 8.0 to 2.5 A.
(8) The transcript, analyzed by DNA-RNA hybridization, shows two major kinetic components: 40% of the transcript is copied by repetitive sequences present 100 times per haploid genome; another 25% anneals to DNA with a rate constant Kh 10-4 M - S-1, typical of single-copy sequences.
(9) Furthermore, globin mRNA has a 3'-terminal sequence of adenylic acid residues that make it particularly suitable as a template, since oligo(dT) can be annealed to a specific site on the mRNA.
(10) The thermal cycle sequencing procedures are advantageous because they allow fast and simple semiautomation of the sequencing reaction; make possible the direct DNA sequencing of PCR products, bacterial colonies and phage plaques; require only femtomoles of template DNA; eliminate the requirement of an independent primer annealing step; remove the requirement of denatured plasmids for sequencing double-stranded templates; and use a highly thermostable DNA polymerase for sequencing through potential recalcitrant secondary structure domains and large linear double-stranded DNA templates such as lambda derivatives.
(11) When 18 to 19S and 12 to 15S viral RNAs purified by sucrose gradient centrifugation were similarly analyzed, late RNA inhibited hybridization of 18 to 19S RNA 50%, and the annealing of 12 to 15S RNA was inhibited 70%.
(12) Partial degradation of these DNA molecules by exonuclease III predisposes some of them to form circles upon annealing, but indicating they are terminally redundant.
(13) The procedures are only intermediate phases and are without any significant role, since the end-result is, after annealing and polishing, as expected.
(14) The results indicate that the relaxed circles consist of a population containing one interruption in either of the two strands of the duplex jointly representing the two "nicks" contained in Hershey circles (in which the cohesive ends are annealed).
(15) The method is based on the priming of polymerase chain reaction (PCR) by an oligonucleotide complementary to the DNA sequence containing the mutation of interest, which anneals only to the perfectly matched sequence under high stringency conditions.
(16) Molecular probes from the gp150 locus annealed with a 4.0-kb polyadenylated RNA transcript derived from human myeloid cell lines and from tertiary mouse cell transformants.
(17) spectra at various annealing stages from alpha- and beta-D-glucose together with 6,6-d2-D-glucose, 6-deoxy-D-glucose, 2-deoxy-D-glucose, glucose-1-phosphate, D-xylose, D-allose and D-mannose indicates radical formation at all possible carbon sites with a strong preference for C1 and a somewhat enhanced contribution of C4 over the statistical expectation.
(18) After gel electrophoresis and blotting the amplification product is identified by hybridization with a third oligonucleotide recognizing the region between the two primer annealing sites, and by restriction mapping.
(19) In this article we experimentally determine the optimal annealing temperature (TaOPT) values for several primer-template pairs and develop a method for its calculation.
(20) Use of the sequence annealing in the calorimetric measurement allows to decompose the total thermogram of rod into four elementary bands with maxima at 42, 46.5, 50 and 57 degrees C. Fluorescence changes occur at temperatures which coincide with the first, second and fourth calorimetric peaks.
Brittle
Definition:
(a.) Easily broken; apt to break; fragile; not tough or tenacious.
Example Sentences:
(1) This method ensures the good preservation of spatial relations between bone elements essential for studies of fossil bones, which are sometimes very brittle.
(2) Ultrastructural studies of Aeromonas hydrophila strain AH26 revealed two distinctive pilus types: "straight" pili appear as brittle, rod-like filaments, whereas "flexible" pili are supple and curvilinear.
(3) Three sibs, a boy and two girls, born to Moroccan consanguineous parents, were affected with a syndrome characterized by brittle hair, mental retardation, short stature, ataxia, and gonadal dysfunction.
(4) In this prospective study the incidence and severity of hypoglycaemia were evaluated in 10 type I brittle diabetic patients under conventional treatment (period A), then under chronic treatment with CSII for at least 1 year (period B: the first 3 months; period C: the last 3 months).
(5) Only few reports exist about the occurrence of brittle nails.
(6) Trichothiodystrophy (TTD) is an autosomal recessive disorder characterized by brittle hair with reduced sulfur content, ichthyosis, peculiar face, and mental and physical retardation.
(7) The hooves of biotin-deficient swine are weak, brittle, and often necrotic.
(8) The coterie around the prime minister brought their conflict addiction, their brittle tribalism and their self-reinforcing insularity into government.
(9) Nigeria's oil pipelines are battleground for brittle democracy Read more In addition Nigeria’s ethnic, geographic, and religious differences can prove explosive, and it’s unlikely that Buhari – a Muslim from northern Nigeria – will treat the southern Christian Niger Delta militants differently to the Islamic Boko Haram , who this week declared their allegiance to Isis.
(10) We present a young man with Mediterranean type glucose-6-phosphate dehydrogenase (G6PD) deficiency and insulin-dependent diabetes mellitus whose brittle course was characterized by recurrent bouts of hypoglycemia and diabetic ketoacidosis (DKA).
(11) Saudi Arabia had been vehemently opposed to Aoun’s nomination, fearing he will consolidate Iran’s influence on the brittle state, which has remained vulnerable state since the end of its destructive civil war 25 years ago.
(12) The glycemic control of 11 brittle diabetics is improved during the 5 days after a 24 hour connection with the AEP.
(13) One patient with brittle juvenile-onset diabetes had successful control before, during, and after cesarean section.
(14) Holland are favourites, primarily because of their inventive forward players – with Wesley Scheijder in refulgent form and brittle Arjen Robben and Robin Van Persie set to make a record two consecutive starts, the Uruguayan defence will surely be stretched ….
(15) Detection of low-sulfur brittle hair syndrome is also important for genetic counseling because the disease appears to be inherited in an autosomal recessive pattern.
(16) The tricho-rhino-phalangeal syndrome (TRPS) is a rare congenital disorder, characterized by (1) a peculiar and somewhat pear-shaped nose, (2) sparse and brittle scalp hair, and (3) radiographic evidence of cone-shaped epiphyses of the hands.
(17) No problems related to stent migration or brittleness have been encountered.
(18) This decrease in the SRS index has been explained in terms of the relative amounts of strain-hardened material produced as milling severity increased, resulting in an increasing resistance to deformation and thus an apparent increase in brittle behaviour as particle size decreased.
(19) Osteogenesis imperfecta (OGI) is a rare genetic disease which, as a result of a disorder in the formation of the organic stroma of the bone due to a defect in osteogenic function, induces brittle bones, whereby only weak forces bring about multiple, repeated pathological fractures.
(20) He is never going to outdo José Mourinho when it comes to confrontation, brittle one-liners and media positioning – the Chelsea manager is simply too well-practised – but his team reminded everyone here why they are such formidable opponents, and that is always the best way to win these arguments.