(v. t.) To produce, as figures or designs, on mental, glass, or the like, by means of lines or strokes eaten in or corroded by means of some strong acid.
(v. t.) To subject to etching; to draw upon and bite with acid, as a plate of metal.
(v. t.) To sketch; to delineate.
(v. i.) To practice etching; to make etchings.
Example Sentences:
(1) After permeabilization, with attendant partial extraction, the preparation can be fixed, then viewed by either deep-etch replication, or by high-resolution scanning electron microscopy, with structure of interest revealed in deep view.
(2) The freeze-etch technique was used to study the morphology of Treponema refringens (Nichols).
(3) A thorough dental prophylaxis before acid-etching of enamel is often recommended.
(4) The results of the rapid-freeze and deep-etch procedure showed that the ridges observed by the surface replica method consisted of linear arrangements of elliptical particles on the ES face of the plasma membrane.
(5) All the summer deals in graphical, Etch-a-sketch form .
(6) When either predictability or bond strength was considered independently, several bracket systems, coupled with a particular etch time, had either high predictability or high bond strength.
(7) This demineralization was similar to enamel acid etched with 50% phosphoric acid for 2 mn.
(8) This study evaluated the bond strength between glass ionomer cements and laser-etched dentin.
(9) Acid etching smooths and cleans the dentinal surface.
(10) Examination of apposed replicas and deep-etched specimens indicated that at least some of the IMPs extend through the T. pallidum outer membrane and are exposed on the surface of the organism.
(11) Isolated appressed chloroplast membranes, highly enriched in photosystem II (PSII) activity, were examined by freeze-etch electron microscopy.
(12) The technique of freeze-etching for electron microscopy applied to isolated islets of Langerhans has permitted a successful evaluation of emiocytotic events on the cell surface.
(13) The tensile bond strengths of the bonding resin to the etched enamel surfaces were not significantly different.
(14) The etched porcelain laminate veneer is a new conservative treatment that offers a solution to fractured, discolored, and worn anterior teeth.
(15) SEM and TEM examinations suggested that dentinal collagen exposed by the etching but not entangled and impregnated by poly (4-META-co-MMA) easily deteriorated by water during the longer immersion.
(16) The performance of a commercial double-propane-jet freezer (Balzers QFD 101) has been assessed, for rapid freezing of fresh tissues in freeze-etch work.
(17) The purpose of this in vitro study was to determine the tensile bond strengths (TBS) of several orthodontic bonding systems and orthodontic brackets to enamel surfaces exposed to different etching procedures.
(18) We find that freeze-drying is the most reliable and easy method for molecules that withstand distilled water; freeze-etching can be successfully applied to transmembrane proteins (even in the presence of detergents or salt); the glycerol-spray technique provides an excellent alternative to the cryotechniques in particular for studies of single linear molecules.
(19) After acid etching, filtration produced a 32-fold increase in permeation.
(20) On the corresponding PF face of the plasma membrane, linear arrangements of the intramembrane particles (IMPs) of about 8 nm in diameter were observed by both the deep-etch and freeze-fracture methods.
Lithograph
Definition:
(v. t.) To trace on stone by the process of lithography so as to transfer the design to paper by printing; as, to lithograph a design; to lithograph a painting. See Lithography.
(n.) A print made by lithography.
Example Sentences:
(1) Dissociated culture of adult mouse dorsal root ganglion cells on glass plates, on which grating-associated microstructures (a repetition of microgrooves [mGRV] and microsteps [mSTP] of 0.1-10 micron) are fabricated by the conventional lithographic techniques, represents a remarkable bi-directional growth of their nerve fibers in the axial direction of the grating.
(2) In these studies the specimens of cyclopes of man and mammals, still present in the collection of the Museum Vrolik in the Department of Anatomy and Embryology of the University of Amsterdam, were described and illustrated with beautiful lithographs.
(3) With the silicon semiconductor conductor industry already in place and in view of the continuing successes of the lithographic process it seems appropriate to ask why the highly speculative MED or BCC has engendered such interest.
(4) Microelectronics fabrication technology was adapted and used to lithographically direct the location of immobilization of proteins on appropriately derivatized surfaces.
(5) The census shows hundreds of different occupational titles for women, including married women working in agriculture, artificial flower-making, chemical working, cigar-making, warehouse supervising, the lithograph trade, meat preserving, straw plaiting, manufacturing of food and drink, printing, rabbit fur pulling and even medical galvanising.
(6) Hockney on Paper will see almost 150 works go under the hammer, from the artist's 1954 lithograph of a fish and chip shop owned by friends of his parents in Bradford, to photomontages of the 1980s.
(7) Consonant with Arnold's conceptions the lithographed engravings depict the cranial nerves as living, morphotic entities comprising their topographical origin and periphery in a distinctness and beauty never been seen before.
(8) Thus it is envisioned that devices will be constructed by assembly of individual molecular electronic components into arrays, thereby engineering from small upward rather than large downward as do current lithographic techniques.
(9) The other two are of lithographers, both of whom worked at the same industrial firm where solvent exposure took place with subsequent development of PSP.
(10) And the memorial collection even holds an 1852 lithograph – Mounted Police and Blacks, by Godfrey Mundy – that depicts frontier violence.
(11) A cross-sectional sample preparation technique is described that relies on lithographic and dry-etching processing, thus avoiding metallographic polishing and ion milling.
(12) Two lithographers may be regarded as regular contributors to the Journal.
(13) In a complex diplomatic tit for tat, the Obamas returned the gift with a picture of their own: a signed colour lithograph by the Nebraskan artist Ed Ruscha, entitled Column with Speed Lines.
(14) High resolution x-ray lithographic studies of cells from chick embryo hearts dried by the CO2 critical point method have been made with soft x-ray radiation of different wavelengths.
(15) Patterns of selected adhesivity were formed using photochemical resist materials and lithographic masking techniques compatible with the silane chemistry.
(16) A technique is described for photographing damaged echocardiograms with a lithographic film.
(17) Some of the occupations and industries found to have elevated cancer risks and that are consistent with previous studies include: brickmasons and stonemasons (stomach); metal workers (pancreas, lung); photoengravers and lithographers (pancreas); butchers (lung); locomotive operators and truck drivers (lung); farmers (prostate, brain, non-Hodgkin's lymphoma); mechanics and repairers, especially auto mechanics (prostate); physicians (brain); glass products manufacturing workers (brain); and communications industry (brain) and chemical plant workers (non-Hodgkin's lymphomas).
(18) He is also known for his social conscience, and the show includes lithographs he did for leftwing publications and a small room of paintings showing German atrocities in the first world war.
(19) Munch published a lithograph of The Scream in 1895; the boldness of it translates perfectly to black and white.
(20) From 1857 to 1920 a number of engravers and lithographers supplied the Nederlandsch Tijdschrift voor Geneeskunde with illustrations.