(a.) Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations.
(n.) A substance used for producing a chemical effect; a reagent.
Example Sentences:
(1) Brain and ganglia of embryonic Periplaneta americana were grown for 2 to 3 weeks in a chemically defined medium.
(2) Stimulation of human leukocytes with various chemical mediators such as TPA, f-Met-Leu-Phe, LTB4, etc.
(3) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
(4) At 36 h postsurgery, RBCs were examined by 23Na-NMR by using dysprosium tripolyphosphate as a chemical shift reagent.
(5) The absorption of ingested Pb is modified by its chemical and physical form, by interaction with dietary minerals and lipids and by the nutritional status of the individual.
(6) Changes in cardiac adenosine triphosphate (ATP), phosphocreatine (PCr) and inorganic phosphate (Pi) were followed and intracellular pH (pHi) was estimated from the chemical shift of Pi.
(7) Maximal aberration yields were observed for 2,4-diaminotoluene, 2,6-diaminotoluene and cytosine beta-D-arabinofuranoside from 17 to 21 h, eugenol from 15 to 21 h, cadmium sulfate from 15 to 24 h and 2-aminobiphenyl, from 17 to 24 h. For adriamycin at 1 microM, the % aberrant cells remained elevated throughout the period from 9 to 29 h, while small increases at 0.1 microM ADR were found only at 13 and at 25 h. For most chemicals the maximal aberration yield occurred at a different time for each concentration tested.
(8) 2.39pm BST The European Union called for a "thorough and immediate" investigation of the alleged chemical attack.
(9) "With hyperspectral imaging, you can tell the chemical content of a cake just by taking a photo of it.
(10) The deactivated columns had the residual silanols on the silica gel chemically inactivated to reduce the interaction with basic groups or analytes.
(11) A sperm whale myoglobin gene containing multiple unique restriction sites has been constructed in pUC 18 by sequential assembly of chemically synthesized oligonucleotide fragments.
(12) On the basis of obtained data on the uniformity of chemical compounds of the secretion of glands belonging to different groups their common origin has been suggested.
(13) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(14) In contrast sham-hemodialysis in group CA and group PS, respectively, did not result in significant increases in amino acid efflux from the leg implying that the protein catabolic effect of blood membrane contact depends on the chemical properties of dialysis membranes.
(15) We investigated this suppression quantitatively, using a chemical assay for cell-bound and dissolved capsular polysaccharide.
(16) We previously established that the binding constant (Ka) of this receptor site for the chemically synthesized model AGE, 2-(2-furoyl)-4(5)-(2-furanyl)-1H- imidazole-butyric acid (FFI-BA), on cells of the mouse macrophagelike cell line RAW 264.7 is identical to that for AGE proteins.
(17) They included lectins such as wheat germ agglutinin (WGA), concanavalin A and phytohemagglutinin, and a chemical cross-linker, glutaraldehyde, in addition to anti-IL-2R monoclonal antibodies, HIEI and H-47.
(18) The reduction of such potentials can be explained in terms of collision between the antidromic volleys and those elicited orthodromically by chemical and thermic stimulation.
(19) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
(20) The use of gaseous insecticides in the chemical control of T. infestans is discussed.
Physicist
Definition:
(n.) One versed in physics.
(n.) A believer in the theory that the fundamental phenomena of life are to be explained upon purely chemical and physical principles; -- opposed to vitalist.
Example Sentences:
(1) Americans Stuart Freedman and Jon Clauser and French physicist Alain Aspect were the first to verify quantum entanglement experimentally.
(2) The functions of medical physicists and their roles in consolidation of the relations between medicine and natural sciences and engineering are discussed.
(3) To quantify the effect of these activities on the accuracy of computed doses, five physicists and two dosimetrists performed computerized dose calculations on five applications chosen randomly from our patient files.
(4) The attacks had clear echoes of the unsolved assassination in January this year of one of their colleagues, particle physicist Masoud Alimohammadi.
(5) Higgs said his discovery, while crucial, was just one element in a worldwide research effort to find the elementary particle that binds matter together, which began in 1960 and only concluded in 1967 when the US physicist and Nobel laureate Steven Weinberg finally completed the theory.
(6) Almost all elements of psychotic thought including beliefs in disembodied spirits, synchronicity (meaningful coincidences), and the possibility of non-material, actions-at-a-distance can be found among respected Western philosophers, psychiatrists, religious leaders and quantum physicists.
(7) It will enhance the technologists's position among his colleagues and he will be able to communicate intelligently with the three-member team--the radiation oncologist, the clinical physicist, and the radiation therapy technologist.
(8) In this cataloguq he does not only mention the memorial and prize medals of ophthalmologists but also those of physicists, physiologists, surgeons, opticians who have made a name in the field of ophthalmology.
(9) By focusing on Spock and Kirk as novices finding their footing, and putting their gut-vs-logic dynamic at the heart of the film, Abrams gives non-followers plenty to hang on to, but also pays homage to familiar Trek tropes: Bones says: "I'm a doctor, not a physicist!
(10) In May this year, Iran hanged 26-year-old Majid Jamali Fashi, who the authorities alleged was responsible for the assassination of Masoud Ali-Mohammadi, a particle physicist killed in January 2010.
(11) With so many physicists and engineers it could hardly be otherwise.
(12) Even in 1975, Elena Bonner Sakharova was able to accept the prize on behalf of her husband, the physicist Andrei D Sakharov.
(13) During his stay at the University of Prague, he was influenced by the famous people of his time, such as Einstein (physicist), Mach (physicist and psychophysicist), Lorenz (behavioral scientist), Popper (philosopher), Schlick (physicist and philosopher), Hering (physiologist), and others.
(14) A second area involves the requirements now being developed for waste management, which also challenges health physicists by insisting upon safe environments for workers who handle waste products while mandating confirmation and cleanup of hazardous wastes.
(15) Particle physicists rank their confidence in new results on a scale in which a "three sigma" signal counts as an "observation", and a more robust five sigma signal claims a concrete discovery.
(16) The big bang was originally hypothesised by Belgian priest and physicist Georges Lemaître.
(17) Sometimes Cern physicists record some very unusual-looking events, he added.
(18) A proverb of the Buddhist religion often quoted by physicist Richard Feynman encapsulates the whole discussion, "To every man is given the key to the gates of heaven; the same key opens the gates of hell."
(19) But Gianotti, along with Incandela and five other Cern physicists, did win the most lucrative prize ever established in science , the special fundamental physics prize.
(20) I am also very glad to share it with Dave Wineland because he’s a fantastic physicist and to be in his company is certainly a great pleasure for me and great recognition.