What's the difference between bicyclic and biphenyl?

Bicyclic


Definition:

  • (a.) Relating to bicycles.

Example Sentences:

  • (1) A novel bicyclic prostaglandin analogue, (1S)-[1 alpha,2 alpha(Z),3 alpha,4 alpha]-7-[3-[(hexylthio)methyl]-7- oxabicyclo [2.2.1]hept-2-yl]-5-heptenoic acid ((-)-10), and its cogeners were found to be potent antagonists at the TxA2 receptor.
  • (2) The authors report an ocular luxation of a four-year-old girl after a bicycle accident.
  • (3) In a Bloomberg article last week, for example, one Stanford student compared women who get raped to unlocked bicycles : ‘Do I deserve to have my bike stolen if I leave it unlocked on the quad?’ [Chris] Herries, 22, said.
  • (4) Considerate touches includes the free use of cruiser bicycles (the best method of tackling the Palm Springs main drag), home-baked cookies … and if you'd like to get married, ask the manager: he's a minister.
  • (5) Subjects underwent measurement of lung volumes, arterial blood gas analysis and an incremental bicycle exercise test.
  • (6) Each patient underwent graded bicycle exercise testing to define maximal performance, and prolonged exercise at 70% of their peak work capacity.
  • (7) The data of bicycle ergometry test and echocardiography were studied and compared in patients with postinfarction cardiosclerosis and type II diabetes mellitus without the clinical signs of heart failure.
  • (8) We had our bicycles and we were just turned loose all day.
  • (9) Near maximal supine exercise for 10 min on a bicycle ergometer caused a small increase in plasma renin activity during exertion with a much larger increase during recovery which reached a peak between 10-20 min.
  • (10) In all patients a standardized bicycle-ergometric exercise sitting and a coronarography as well as a ventriculography were performed.
  • (11) He has just performed a skit now about his bicycle scheme, which included a swipe at the French (because their scheme resulted in many more cycles being pinched, apparently.)
  • (12) Seven healthy volunteers were exposed to head-down tilt at -15 degrees for 5 h. Before and after exposure they exercised on a bicycle ergometer in the supine and seated positions.
  • (13) The pressure waves recorded in the container were added by computer to those recorded intra-arterially during bicycle ergometry.
  • (14) An incremental, symptom-limited, bicycle exercise test was done one month after the myocardial infarction, and blood samples were taken for determination of plasma potassium.
  • (15) A bicyclic hexadecapeptide, which corresponds to the sequence 36-51 and contains the chymotrypsin-reactive Leu-43-Ser-44 bond of soybean Bowman-Birk inhibitor, has been synthesized.
  • (16) Ester already has a second child with her husband, who makes a living using his bicycle to provide a taxi service.
  • (17) The new protocol (standardised exponential exercise protocol, STEEP) is suitable for use on either a treadmill or a bicycle ergometer.
  • (18) The most frequent cause of abdominal injury in children was a bicycle accident.
  • (19) To test this premise, 14 healthy, untrained men trained four days per week for 20 weeks on a bicycle ergometer for endurance (END Group, n = 4), on an isokinetic device for increased torque production (ITP Group, n = 5), or on both devices (COMBO Group, n = 5).
  • (20) The KB was found to be remarkably tolerant of changes in the electronic constitution and lipophilicity of the bicyclic ring system (template).

Biphenyl


Definition:

Example Sentences:

  • (1) Of 15 organochlorine compounds analyzed, trace amounts mainly of p,p-DDE and polychlorinated biphenyls (PCBs) were detected, but could not be quantitated.
  • (2) Mutagenicity of MC was increased when homogenates from MC-treated hamsters were used as a source of activating enzymes, and this mutagenicity could be correlated with increased biphenyl 2-hydroxylase activity.
  • (3) We have investigated the metabolism of polychlorinated biphenyls and endogenous steroids by the major phenobarbital (PB)-inducible hepatic cytochromes P450 in dogs and rats, PBD-2 and PB-B, respectively.
  • (4) Studies of structure-transacylation relationships for a series of acylhydroxamic acids of chlorinated biphenyl ethers and their related compounds by rat liver N-arylacylhydroxamic acid-dependent N-acyltransferase (AHNAT) are described.
  • (5) There was an 84% decrease in the yield of microsomal protein, a 64% decrease in cytochrome P-450 content per mg of microsomal protein, and a 36% decrease in the biphenyl 4-hydroxylase specific activity in human cadaver liver that was a few hours old.
  • (6) Distribution of polychlorinated biphenyls (PCB) in sewage wastes at a municipal sewage treatment plant was studied, showing that the great bulk of PCBs entering such a treatment plant become adsorbed onto the grit chamber solids and the sludge that is passed from the anaerobic digesters.
  • (7) Certain metabolites of polychlorinated biphenyls (PCBs) are retained in the Clara cells and in the airway lumen of rodent lung due to their interaction with a secretory 13-kDa protein.
  • (8) The degradation of 3- and 4-HBs by these strains is therefore analogous to the metabolism of biphenyl, 2-HB, and naphthalene in the requirement for 2,3-catechol formation.
  • (9) They appear to be a dimer, trimer and tetramer in which tyrosine units are linked by biphenyl bonds.
  • (10) The influence of serum lipids and proteins on partitioning of individual polychlorinated biphenyl (PCB) congener peaks between human serum and adipose tissue lipid was assessed using regression analysis.
  • (11) Regions were ranked according to the mean concentration of 43 toxic substances (pesticides, polychlorinated biphenyls, semi-volatiles, and volatiles) in human adipose tissue and environmental media (sediment, fish tissue, and groundwater).
  • (12) Polychlorinated biphenyls are stable, lipophilic industrial compounds that are present in residue levels in human tissue, wildlife, and freshwater sediment.
  • (13) On the basis of a closeness criterion of 10 (deltaRI = RIa - RIb = 10), those combinations of three or fewer liquid phases which could distinguish between nearly all possible pairs of chlorinated biphenyls were selected.
  • (14) The toxic effects of the polychlorinated biphenyls upon plasma testosterone levels, the blood coagulation system, the gross- and micropathological changes as well as the extent and differences in their distribution and accumulation were studied.
  • (15) The efficacy of sulfuric acid cleanup and KOH-ethanol hydrolysis confirmation was studied for 22 organochlorine pesticides and 2 polychlorinated biphenyls (PCBs).
  • (16) A comparison is made of supercritical fluid extraction (SFE) with two other techniques widely used for the extraction of polychlorinated biphenyls (PCBs) and organochlorine pesticides in soil.
  • (17) Contamination by industrial chemicals such as polychlorinated biphenyls and polybrominated biphenyls; heavy metals such as lead, cadmium, and mercury; and pesticides such as dieldrin and chlordane exemplify the problem in feeds and the resulting problem of tissue residues in human foods.
  • (18) The effect of polychlorinated biphenyls, gamma-hexachlorocyclohexane and the effect of a combination of these substances on the regulation of 3-hydroxy-3-methylglutaryl coenzyme A reductase were investigated.
  • (19) Experimental studies have demonstrated that certain types of commercially produced polychlorinated biphenyls (PCBs) are carcinogenic.
  • (20) The livers, lungs, and small intestines of untreated rabbits and the livers of control rats were stored intact, or as microsomal suspensions, under liquid nitrogen at -196 degrees C. Aniline hydroxylase, aminopyrine demethylase, benzpyrene hydroxylase, biphenyl hydroxylase, NADPH-cytochrome c reductase, UDP-glucuronyltransferase activities, the microsomal content of cytochrome P-450, and the aniline- and benzphetamine-induced spectral changes were compared in fresh and stored preparations.

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