Results 1 to 10 of about 18,977 (189)

Pedigree-based QTL analysis of flower size traits in two multi-parental diploid rose populations [PDF]

open access: yesFrontiers in Plant Science, 2023
Rose (Rosa spp.) is one of the most economically important ornamental species worldwide. Flower diameter, flower weight, and the number of petals and petaloids are key flower-size parameters and attractive targets for DNA-informed breeding.
Zena Rawandoozi   +10 more
doaj   +2 more sources

Immunological evaluation of lipopeptide group A streptococcus (GAS) vaccine: structure-activity relationship. [PDF]

open access: yesPLoS ONE, 2012
Streptococcus pyogenes (group A streptococcus, GAS) is a Gram-positive bacterial pathogen responsible for a wide variety of diseases. To date, GAS vaccine development has focused primarily on the M-protein.
Mehfuz Zaman   +6 more
doaj   +1 more source

Employment and Happiness of the Older People in Romania and the Visegrád Countries: Analysis of the European Quality of Life Surveys

open access: yesStudia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2021
We used the last three waves of the European Quality of Life Surveys to analyze the happiness of older workers in Romania and the Visegrád countries.
Berde Éva, Tőkés László
doaj   +1 more source

Innovativeness of Senior Consumers’ Attitudes – An Attempt to Conduct Segmentation

open access: yesFolia Oeconomica Stetinensia, 2021
Research background: Ageing societies is a global phenomenon. In the media and the press, there strongly exists a stereotype of elderly people being poorly adjusted to social change, lonely, poor and not open to market novelties.
Olejniczak Tomasz
doaj   +1 more source

The statistical picture of population aging in towns of Wielkopolskie Province: TERYT and DEGURBA perspectives

open access: yesJournal of Economics and Management, 2020
Aim/purpose – The aim of the paper is to compare the statistical picture of aging of the urban population of the Wielkopolskie Province in terms of two typologies: TERYT and DEGURBA.
Klimanek Tomasz, Filas-Przybył Sylwia
doaj   +1 more source

Bactericidal activity of M protein conserved region antibodies against group A streptococcal isolates from the Northern Thai population

open access: yesBMC Microbiology, 2006
Background Most group A streptococcal (GAS) vaccine strategies have focused on the surface M protein, a major virulence factor of GAS. The amino-terminus of the M protein elicits antibodies, that are both opsonic and protective, but which are type ...
Pruksachatkunakorn Chulabhorn   +3 more
doaj   +1 more source

Effect of Jatrophaand Ethanol Biofuel Blending on Performance of Agricultural Diesel Engine Tractors - Sudan

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2017
This study was carried out to investigate the effect of fuel type ( pure diesel, blending 10% of Jatropha oil with diesel (J10%), blending 14% of Jatropha oil with blending (J14%),blending 10% of ethanol with diesel (E10%), blending 14% of ethanol with
Mohamed Hassan Dahab   +2 more
doaj   +1 more source

Social vulnerability and aging of elderly people in the United States

open access: yesSSM: Population Health, 2021
We use 7 waves of the Health and Retirement Study and construct a social vulnerability index (SVI) for elderly U.S. Americans (born 1913–1966). We show that the SVI is mildly larger for men than for women and increases in age from above age 60 onwards ...
Ana Lucia Abeliansky   +2 more
doaj   +1 more source

Oral health in the Japan self-defense forces - a representative survey

open access: yesBMC Oral Health, 2011
Background The oral health of military populations is usually not very well characterized compared to civilian populations. The aim of this study was to investigate two physical oral health characteristics and one perceived oral health measure and their ...
Furuyama Chisako   +6 more
doaj   +1 more source

Bilocal versus non-bilocal correlations in entanglement swapping experiments [PDF]

open access: yes, 2011
Entanglement swapping is a process by which two initially independent quantum systems can become entangled and generate nonlocal correlations. To characterize such correlations, we compare them to those predicted by bilocal models, where systems that are
Cyril Branciard   +7 more
core   +3 more sources

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