(n.) A rare mineral of resinous luster and high specific gravity. It is a tantalate of calcium, and occurs in octahedral crystals usually very minute.
(n.) A minute inclosed crystal, often observed when minerals or rocks are examined in thin sections under the microscope.
Example Sentences:
(1) Contrast radiography revealed that 100 microliters of solution injected i.t.
(2) For Rana catesbeiana Vf was 1.43 microliter min-1 or 0.2 microliter min-1 mg choroid plexus-1 and for Rana pipiens Vf was 0.2 microliter min-1 or 0.1 microliter min-1 mg choroid plexus-1.
(3) The method permits analysis of as little as 2 microliter normal rat tissue homogenate representing 0.4 mg liver tissue (approx 40 micrograms total protein).
(4) Foraging honeybees (Apis mellifera) were trained with 2 successively presented targets differing in color or odor, one of which always contained a 5-microliters drop of 50% sucrose solution and the other, a 5-microliters drop of 20% sucrose solution.
(5) The in vitro transcript probes could detect 1 ng of purified virus and as little as 1 microliter of sap extracts prepared from infected oat shoots.
(6) To 10 microliter of serum, 10 microliter of the internal standard solution and 50 microliter of ethanol are added.
(7) Rabbit corneas grown in organ culture (24 well plate) were inoculated topically with 50 microliters (5 x 10(5) pfu) of different ocular adenoviral serotypes (ATCC and clinical isolates).
(8) The minimum pyrogenic dose in both new-born and adult guinea-pigs was 0.25 microliter, but the 0 to 5-day old animals which responded with a fever to this dose were few in number and large in weight; 'small-for age' neonates became hypothermic.
(9) Infusion of the mixed agonist dopamine (0, 2.0, 10.0, 20.0 micrograms in 0.5 microliter vehicle) into the ventrolateral striatum was found to elicit intense oral stereotypy.
(10) For direct measurement of the ESR signal of superoxide anion (O2-) produced in biological samples, O2- generated at a physiological pH was trapped in alkaline media instead of by a rapid freezing method, and then its signal was measured by ESR spectroscopy at 77 K. A reaction mixture for O2- generation, such as xanthine oxidase-xanthine and neutrophils, was incubated at a physiological pH (pH 7.0-7.5) for a suitable reaction period (30s), then an aliquot (300 microliters) was pipetted out and squirted into 600 microliters of 0.5 M NaOH to stabilize O2- (pH-jump).
(11) The purified enzyme worked best at 37 degrees C and pH 8.0 in a reaction mixture (50 microliters) containing 1.0 micrograms lambda DNA, 10mM Tris-HCl, 7 mM 2-mercaptoethanol, 7 mM MgCl2 and 25mM NaCl.
(12) Five microliters of acetic anhydride was added to the serum to convert all 5-ASA to Ac-5-ASA.
(13) During this search we identified a novel germline transcript containing the JH-C microliter sequence in LyD9 and some of its derivative cells.
(14) Alert, adult male rats were given a 5 microliters intracerebroventricular (i.c.v.)
(15) Plasma from both subject groups (10-100 microliters) inhibited platelet and synaptosomal MAO in a dose-dependent manner to approximately the same degree at each time interval.
(16) In a first experiment the neurons of the lateral hypothalamus were destroyed unilaterally by local injection of ibotenic acid (4 micrograms in 0.5 microliter).
(17) Following derivatization with 50 microliters of N-methyl-N-trimethylsilyl trifluoroacetamide-pyridine (1:1) for 20 min at 65 degrees C the samples are analyzed by capillary column gas chromatography-mass spectrometry with selected-ion monitoring.
(18) CSF-LZM measurement was performed by a rapid turbidimetric assay which required 50 microliters CSF only.
(19) Haemolysate 1 microliter ml-1 had no effect on the denuded artery rings under hypoxic conditions.
(20) Six to 9 weeks after proximal nerve section in 10-d-old and adult rats, 0.1 microliter injections of wheat germ agglutinin (WGA)-HRP were made in the distal part of the reinnervated internal intercostal muscle.
Pyrochlore
Definition:
(n.) A niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and resinous luster; -- so called from its becoming grass-green on being subjected to heat under the blowpipe.