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Advanced Search Results For "adaptation"

1 - 10 of 384,760 results for
 "adaptation"
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Biological adaptation in light of the Lewontin-Williams (a)symmetry.

Publication Type:Academic Journal

Source(s):Evolution; international journal of organic evolution [Evolution] 2022 Jul; Vol. 76 (7), pp. 1619-1624. Date of Electronic Publication: 2022 May 18.

Abstract:Neo-Darwinism characterizes biological adaptation as a one-sided process, in which organisms adapt to their environment but not vice versa. This asymmetric relationship-here called Williams' asymmetry-is called into question by Niche Construction Theor...

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Effect of different finish line preparations on the marginal and internal adaptation of cobalt-chromium metal alloy copings fabricated by using CAD-CAM technology: A systematic review and meta-analysis.

Publication Type:Academic Journal

Source(s):The Journal of prosthetic dentistry [J Prosthet Dent] 2022 May; Vol. 127 (5), pp. 716-728.e6. Date of Electronic Publication: 2021 Oct 27.

Abstract:Statement of Problem: The marginal and internal adaptation of a fixed dental prosthesis depends on a variety of factors, finish line designs being one of them. A clear consensus as to which finish line design can provide a better marginal and internal ...

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Experimental evolution of local adaptation under unidimensional and multidimensional selection.

Publication Type:Academic Journal

Source(s):Current biology : CB [Curr Biol] 2022 Mar 28; Vol. 32 (6), pp. 1310-1318.e4. Date of Electronic Publication: 2022 Feb 15.

Abstract:Local adaptation is a fundamental evolutionary process generating biological diversity and potentially enabling ecological speciation. Divergent selection underlies the evolution of local adaptation in spatially structured populations by driving their ...

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Tracing the Evolution of Human Gene Regulation and Its Association with Shifts in Environment.

Publication Type:Academic Journal

Source(s):Genome biology and evolution [Genome Biol Evol] 2021 Nov 05; Vol. 13 (11).

Abstract:As humans populated the world, they adapted to many varying environmental factors, including climate, diet, and pathogens. Because many of these adaptations were mediated by multiple noncoding variants with small effects on gene regulation, it has been...

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Comparison of Marginal Fit of Metal Copings in Two Different States with and without Using Ring Liners: An In Vitro Study.

Publication Type:Academic Journal

Source(s):The journal of contemporary dental practice [J Contemp Dent Pract] 2021 Nov 01; Vol. 22 (11), pp. 1262-1267. Date of Electronic Publication: 2021 Nov 01.

Abstract:Aim and Objective: To compare the marginal fit of Ni-Cr copings made by casting in two different states (dry and wet) with either cellulose ring liners or no ring liners.Materials and Methods: An in vitro study was conducted on 40 patterns which were i...

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Pseudorandom full-field electroretinograms reflect different light adaptation mechanisms.

Publication Type:Academic Journal

Source(s):Documenta ophthalmologica. Advances in ophthalmology [Doc Ophthalmol] 2021 Aug; Vol. 143 (1), pp. 53-60. Date of Electronic Publication: 2021 Feb 19.

Abstract:Purpose: To investigate the magnitude and time course of pseudorandom ffERG during light adaptation.Methods: Ten healthy subjects (26 ± 10.1 years) underwent 20 min of dark adaptation, and then the ffERG was evoked by pseudorandom flash sequences (4 ms...

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Vertical marginal fit of zirconia copings fabricated with one direct and three indirect digital scanning techniques.

Publication Type:Academic Journal

Source(s):The Journal of prosthetic dentistry [J Prosthet Dent] 2021 Sep; Vol. 126 (3), pp. 421-426. Date of Electronic Publication: 2020 Aug 28.

Abstract:Statement of Problem: Direct digitization of the impression by using an intraoral scanner is a newly introduced technique, but studies comparing the method with other digitization techniques are lacking.Purpose: The purpose of this in vitro study was t...

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Comparison of Fit Between Zirconia and Metal Copings Fabricated Conventionally or Using Different CAD/CAM Techniques.

Publication Type:Academic Journal

Source(s):The European journal of prosthodontics and restorative dentistry [Eur J Prosthodont Restor Dent] 2021 Aug 31; Vol. 29 (3). Date of Electronic Publication: 2021 Aug 31.

Abstract:This study was designed to assess the fit of cobalt chromium copings fabricated using direct metal laser sintering and to compare with copings fabricated from nickel chromium (traditional casting) and zirconia (milled from partially sintered blanks). F...

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Quality of life, coping strategies, and supportive care needs in head and neck cancer survivors: a qualitative study.

Publication Type:Academic Journal

Source(s):Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer [Support Care Cancer] 2021 Aug; Vol. 29 (8), pp. 4349-4356. Date of Electronic Publication: 2021 Jan 07.

Abstract:Purpose: The purpose of this qualitative study was to better understand the lived experience of head and neck cancer (HNC) survivors between 6 months to 9 years post-radiation. Quality of life, coping strategies, concerns for the future, and preference...

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Analyzing structural features of proteins from deep-sea organisms.

Publication Type:Academic Journal

Source(s):Proteins [Proteins] 2022 Aug; Vol. 90 (8), pp. 1521-1537. Date of Electronic Publication: 2022 Apr 05.

Abstract:Protein adaptations to extreme environmental conditions are drivers in biotechnological process optimization and essential to unravel the molecular limits of life. Most proteins with such desirable adaptations are found in extremophilic organisms inhab...

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