释义 |
Definition of fixative in English: fixativenoun ˈfɪksətɪvˈfɪksədɪv 1A chemical substance used to preserve or stabilize biological material prior to microscopy or other examination. mass noun ten double drops of fixative Example sentencesExamples - A liquid fixative was deliberately not used in order to prevent dislodging of pollen grains.
- Squashes were made in the fixative on a coverslip.
- This approach preserves native structure by rapidly freezing the specimen in a thin aqueous layer by plunging into cryogen, without the use of fixatives or stains.
- For histopathological observation, interphalangeal joint of right hind paw was sliced and placed in fixative of 10% formaline.
- The chemical composition of each of these fixatives as detailed by the manufacturers is listed in Table 1.
- The main purpose of chemical fixatives is to preserve the tissue, changing its fresh liquid sol state to a hardened preserved fixed state.
- As much sea water as possible was removed from the samples and 4-5 volumes of cocktail fixative were added.
- Because of this, a variety of fixatives are used to preserve and stabilize certain structures and inclusions to withstand the procedures just outlined.
- Squashes were made in the fixative on a glass slide and flame dried.
- Osmium tetroxide was used as a secondary fixative and stain prior to a second wash in phosphate buffer.
- The cultures were pooled after adding the fixative.
- There is no single fixative that is ideal; every fixative has positive and negative attributes.
- Tissue samples are preserved in formalin or occasionally other fixatives before processing and embedding in paraffin.
- When individual factors in fixation were studied, some fixatives performed better than others.
- They had better success, after much trial and error, by using a one-step cocktail fixative.
- A technology that is being developed and refined at present is a fixative that allows blood samples to be stored and transported over 5 days without loss of accuracy in test results.
- The brushes can be rinsed in saline solution or in liquid-based fixative for cell concentration procedures.
- Before squashing, the roots were washed in water to remove the fixative.
- The residual material that remained on the collection device was then transferred to the liquid fixative and a second slide was prepared in the laboratory.
- After three subsequent changes of fixative, metaphases were prepared by dropping the cell suspension onto labelled clean, moist microscope slides.
- 1.1 A substance used to stabilize the volatile components of perfume.
sandalwood is regarded by many perfumers as a good fixative Example sentencesExamples - Ambergris is used as a fixative in the manufacture of perfume.
- This plant is one of the natural sources of Benzyl benzoate, an aromatic liquid used as a fixative and solvent in the manufacture of flavorings and perfume.
- Finally, while the fixatives provide the background, the base note lends the perfume its lasting impression.
- 1.2 A liquid sprayed on to a pastel or charcoal drawing to fix colours or prevent smudging.
he sprayed his design with fixative Example sentencesExamples - But the real emphasis of this book is in developing an understanding of how the body moves and the many media and techniques for rendering the human form: chalks, charcoal, pastel, fixative, watercolors and oil paints.
- The art is delicately done on a textured paper and a fixative is applied before mounting.
- The top bid was $7,500 for the painting whose intensity and tactile quality are achieved with layers of charcoal, then fixative, then more layers, then sand-paper.
- Gelatine, an animal by-product rich in collagen, was frequently used by Middle Age painters as a fixative to bind pigments to canvas or wood.
- Pictographs also are fragile, since prehistoric artisans do not appear to have used any fixative, such as animal fat, in their pigments.
- Afterwards all the new art studenty types sprayed all their drawings creating a cloud of pungent fixative in the basement studio.
- In the evening, back home, rummaging about in my big box of old art materials I came across a can of spray fixative and two bottles of spirit varnish.
- When the class had the backgrounds rendered with about four to six values, we held a class critique to evaluate if they had developed their contrast enough to go ahead and spray the artwork with workable fixative.
2A substance used to keep things in position or stick them together. the swift glues these thin twigs to a wall using its own saliva as a fixative Example sentencesExamples - The book dummies, storyboards, jacket covers, and double page spreads were proudly displayed, still smelling strongly of glue and fixatives.
- The team will create a new fixative mixture that combines minerals and slow-release growth factors.
- Especially when the greying crims could only be called hard-bitten if they'd managed to apply their denture fixative that morning.
- Use a fixative, if available, for stabilization.
- Applying the fixatives before dyeing gives both fiber components of the fabric a positive charge.
Synonyms adhesive, glue, gum, paste, bonding, binder, sealer, sealant
adjective ˈfɪksətɪvˈfɪksədɪv (of a substance) used to fix or stabilize something. Example sentencesExamples - No asbestos bodies or uncoated asbestos fibers were found in any other water or fixative samples.
- They determined whether use of fixative fluid, organic solvent, or both might contribute to the low numbers.
- The eyes remained in the fixative solution overnight.
- Mosquitoes were preserved in fixative solution and stored at - 20° until use.
- In the early 1970s, the use of the fixative paste was eliminated, which meant that tissue could be removed and processed immediately by frozen section.
- It appears that the use of tissue that had been formalin fixed before processing stabilized the uncoated asbestos fibers, since none were detected in the wash or fixative solutions.
- This fixation step was repeated twice and the resulting cells were resuspended in a small volume of fixative solution and carefully placed onto clean slides.
- After a fixative solution is added, the sample is run on the instrument.
- The macerated cells were dissociated in a clean slide with a fresh fixative solution.
- The remaining fixative solution and 5% KOH solution were examined under a microscope to determine whether pollen grains had been removed from stigmas during the treatment.
- The fixative solution was partially but not completely removed, the pellet was resuspended, dropped onto pre-cleaned microscope slides and dried for 24 h at room temperature.
- The best option for those with older printers is to use a fixative spray.
- The sandals are sewn by hand, made with low-impact, fiberreactive dyes and no fixative chemicals.
- Instead, the sample is placed in a small bottle containing fixative solution.
- We believe that this is contamination that occurred during the process of lifting the coagulum from the dish and transferring it to the fixative solution.
- The muscles were stored in the fixative solutions at 4 deg C for further use.
- The globe should be fixed in an adequate volume of fixative with at least a 10: 1 ratio of fixative volume to specimen volume recommended.
- A second motor initiation, which depresses a plunger in a manner similar to a syringe, combines the cell culture mixture with a fixative reagent, which squelches further biological reaction.
Definition of fixative in US English: fixativenounˈfiksədivˈfɪksədɪv 1A chemical substance used to preserve or stabilize biological material prior to microscopy or other examination. ten double drops of fixative Example sentencesExamples - Because of this, a variety of fixatives are used to preserve and stabilize certain structures and inclusions to withstand the procedures just outlined.
- A liquid fixative was deliberately not used in order to prevent dislodging of pollen grains.
- When individual factors in fixation were studied, some fixatives performed better than others.
- The cultures were pooled after adding the fixative.
- Squashes were made in the fixative on a coverslip.
- For histopathological observation, interphalangeal joint of right hind paw was sliced and placed in fixative of 10% formaline.
- They had better success, after much trial and error, by using a one-step cocktail fixative.
- There is no single fixative that is ideal; every fixative has positive and negative attributes.
- This approach preserves native structure by rapidly freezing the specimen in a thin aqueous layer by plunging into cryogen, without the use of fixatives or stains.
- Squashes were made in the fixative on a glass slide and flame dried.
- After three subsequent changes of fixative, metaphases were prepared by dropping the cell suspension onto labelled clean, moist microscope slides.
- A technology that is being developed and refined at present is a fixative that allows blood samples to be stored and transported over 5 days without loss of accuracy in test results.
- Tissue samples are preserved in formalin or occasionally other fixatives before processing and embedding in paraffin.
- The residual material that remained on the collection device was then transferred to the liquid fixative and a second slide was prepared in the laboratory.
- The chemical composition of each of these fixatives as detailed by the manufacturers is listed in Table 1.
- The brushes can be rinsed in saline solution or in liquid-based fixative for cell concentration procedures.
- The main purpose of chemical fixatives is to preserve the tissue, changing its fresh liquid sol state to a hardened preserved fixed state.
- Before squashing, the roots were washed in water to remove the fixative.
- As much sea water as possible was removed from the samples and 4-5 volumes of cocktail fixative were added.
- Osmium tetroxide was used as a secondary fixative and stain prior to a second wash in phosphate buffer.
- 1.1 A substance used to stabilize the volatile components of perfume.
Example sentencesExamples - Finally, while the fixatives provide the background, the base note lends the perfume its lasting impression.
- Ambergris is used as a fixative in the manufacture of perfume.
- This plant is one of the natural sources of Benzyl benzoate, an aromatic liquid used as a fixative and solvent in the manufacture of flavorings and perfume.
- 1.2 A liquid sprayed on to a pastel or charcoal drawing to fix colors or prevent smudging.
Example sentencesExamples - Gelatine, an animal by-product rich in collagen, was frequently used by Middle Age painters as a fixative to bind pigments to canvas or wood.
- When the class had the backgrounds rendered with about four to six values, we held a class critique to evaluate if they had developed their contrast enough to go ahead and spray the artwork with workable fixative.
- But the real emphasis of this book is in developing an understanding of how the body moves and the many media and techniques for rendering the human form: chalks, charcoal, pastel, fixative, watercolors and oil paints.
- In the evening, back home, rummaging about in my big box of old art materials I came across a can of spray fixative and two bottles of spirit varnish.
- Afterwards all the new art studenty types sprayed all their drawings creating a cloud of pungent fixative in the basement studio.
- Pictographs also are fragile, since prehistoric artisans do not appear to have used any fixative, such as animal fat, in their pigments.
- The top bid was $7,500 for the painting whose intensity and tactile quality are achieved with layers of charcoal, then fixative, then more layers, then sand-paper.
- The art is delicately done on a textured paper and a fixative is applied before mounting.
2A substance used to keep things in position or stick them together. the swift glues these thin twigs to a wall using its own saliva as a fixative Example sentencesExamples - The book dummies, storyboards, jacket covers, and double page spreads were proudly displayed, still smelling strongly of glue and fixatives.
- Especially when the greying crims could only be called hard-bitten if they'd managed to apply their denture fixative that morning.
- The team will create a new fixative mixture that combines minerals and slow-release growth factors.
- Applying the fixatives before dyeing gives both fiber components of the fabric a positive charge.
- Use a fixative, if available, for stabilization.
Synonyms adhesive, glue, gum, paste, bonding, binder, sealer, sealant
adjectiveˈfiksədivˈfɪksədɪv (of a substance) used to fix or stabilize something. Example sentencesExamples - The fixative solution was partially but not completely removed, the pellet was resuspended, dropped onto pre-cleaned microscope slides and dried for 24 h at room temperature.
- In the early 1970s, the use of the fixative paste was eliminated, which meant that tissue could be removed and processed immediately by frozen section.
- A second motor initiation, which depresses a plunger in a manner similar to a syringe, combines the cell culture mixture with a fixative reagent, which squelches further biological reaction.
- Instead, the sample is placed in a small bottle containing fixative solution.
- We believe that this is contamination that occurred during the process of lifting the coagulum from the dish and transferring it to the fixative solution.
- The globe should be fixed in an adequate volume of fixative with at least a 10: 1 ratio of fixative volume to specimen volume recommended.
- No asbestos bodies or uncoated asbestos fibers were found in any other water or fixative samples.
- After a fixative solution is added, the sample is run on the instrument.
- The muscles were stored in the fixative solutions at 4 deg C for further use.
- The sandals are sewn by hand, made with low-impact, fiberreactive dyes and no fixative chemicals.
- It appears that the use of tissue that had been formalin fixed before processing stabilized the uncoated asbestos fibers, since none were detected in the wash or fixative solutions.
- This fixation step was repeated twice and the resulting cells were resuspended in a small volume of fixative solution and carefully placed onto clean slides.
- The remaining fixative solution and 5% KOH solution were examined under a microscope to determine whether pollen grains had been removed from stigmas during the treatment.
- The macerated cells were dissociated in a clean slide with a fresh fixative solution.
- Mosquitoes were preserved in fixative solution and stored at - 20° until use.
- They determined whether use of fixative fluid, organic solvent, or both might contribute to the low numbers.
- The best option for those with older printers is to use a fixative spray.
- The eyes remained in the fixative solution overnight.
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