Sentences with phrase «studying old samples»

«Comet scientists are like archaeologists, studying old samples to understand the past,» said Boncho Bonev, an astronomer at American University and the second author on the paper.

Not exact matches

In a study that ran from 1979 to 1996, researchers found from a sample of nearly 750 people age 65 or older, that those who drank diet soda on a daily basis had a 70 % greater increase in waist size than people who drank it less regularly or not at all.

The study, by Yusuke Tsugawa and colleagues at the Harvard T. H. Chan School of Public Health, Harvard Medical School, and other institutions, examined the record of a large random sample of Medicare patients, 65 years or older, who were hospitalized from January 2011 to December 2014.

Test samples of a Suntory - produced 21 - year - old single malt beverage, along with a freshly distilled potation, will be studied in space to deduce how being suspended in zero gravity affects how they age and taste, per a Suntory statement released yesterday.

Even as a 20 month old, Paloma is always hanging around when I'm cooking — playing with pots and pans, studying the ingredients, and begging for samples.

«This study adds to previous research conducted in smaller sample groups that also showed this approach does not increase the risk of a baby choking, and indeed in the UK, supports the Department of Health recommendation that babies can have finger foods from six months old.»

In a recent study, researchers led by Glenn Roisman of the University of Illinois collected morning cortisol samples from a group of 15 - year old kids (Roisman et al 2009).

Using the Fragile Families database, the study (Tornello et al., 2013) examined two samples taken 2 years apart: 384 one - year olds and 608 three - year - olds who overnighted were compared to 1,062 who did not overnight and had infrequent daytime contact with their fathers.

Researchers found in a recent study (Schieche et al. 2008) in the Journal of Zero to Three (Jan. 2009) that in a sample of 80 babies ages 6 - 18 months old whose parents completed the above method, 13 % of the babies had a relapse of sleep problems, 8 % did not respond at all, but 79 % of the babies had continued success with being able to sleep through the night and self soothe themselves upon wakening.

That study has been criticized in some circles for the same old reason: The sample size was not big enough.

In collaboration with Anna Pyle, Howard Hughes Medical Institute investigator and professor in the Department of Molecular, Cellular and Developmental Biology at Yale, Patrizio and his team studied samples from 20 cumulus cells in 15 patients younger than age 35 and in those age 40 and older.

Since older people have greater potential for improving their fitness than younger people, a follow - up study conducted by a research group headed by doctor and molecular biologist Helmuth Haslacher from MedUni Vienna, in collaboration with Robert Winker's team from the Health and Prevention Center of the Healthcare Institution for City of Vienna employees, took blood samples from 47 marathon runners before an ergometer test, in order to carry out laboratory tests to determine levels of analytes, including inflammatory markers, muscle and liver parameters.

(Meyer said they were working on reassessing old samples but would not specify which specimens they were studying — the mysterious «hobbit» H. floresiensis would be a worthy candidate.)

By measuring the ratio of uranium to lead in each sample, previous studies had determined that the three oldest formed around 4.563 billion years ago.

Overall, the scientists examined blood samples of 1,079 older adults, aged 65 to 93 years from the KORA study.

In the 1990s, U.S. researchers took blood samples from 1,658 participants age 65 or older as part of a cardiovascular study.

«We have a 7,000 - year - old sample that was nearly indistinguishable from modern domesticated dogs,» says University of Michigan biologist Amanda Pendleton, a co-author on the study.

The footprints — combined with new fossil finds and a detailed study of older samples — present a new picture of the winged giants.

The seniors were part of an ongoing longitudinal study funded by the National Institute on Aging (NIA), which surveys a representative sample of 20,000 older adults in the U.S. every two years.

In the study, researchers analyzed data for patients age 80 and older, and those ages 65 to 79, from the Nationwide Inpatient Sample (NIS).

The new study, which reports adjusted dates for radiocarbon analyses (which can be substantially older than unadjusted radiocarbon dates), looked at more than 250 samples of charcoal, animal bones, and even soot smudges left on the cave's walls by torches.

Unlike older methods, which required samples to be prepared and then injected into the machine, the device used in this study can directly accept breath and show the results in seconds.

The study used a sample of 3,249 Asian and Latino migrant adults aged 18 and older.

Studying data from between 2007 - 2009, they identified a sample of 238,624 visits by patients 18 and older at those medical facilities and found that 61 percent of antibiotic prescriptions were for broad - spectrum drugs, such as Levaquin ®.

All study subjects were older adults and had provided blood samples when they entered the study.

Together with former PhD - student Ylva - li Blanck of the Norwegian University of Life Science, researchers Jørund Rolstad and Ken Olaf Storaunet collected and analyzed 459 wood samples from old, fire - damaged pine tree stumps, snags, downed logs and living trees in 74 square kilometers (28 square miles) study area in Trillemarka - Rollagsfjell nature reserve.

It relies on data on nearly 14,000 individuals from the National Longitudinal Study of Adolescent Health (Add Health), which began tracking a nationally representative sample of youths in 1995 when they were in seventh through twelfth grades and 11 to 19 - years - old.

In this study, researchers examined the relationship between APOE ε4 and depression in a large population - based sample of 839 older Swedish adults followed over 5 years.

Most of the older monarch samples were collected by Lincoln Brower of Sweet Briar College, who has studied the butterflies for more than 50 years.

In this new study, fasting blood samples were collected from 397 10 - year - old children within a follow - up of two prospective German birth cohort studies.

In a countrywide representative sample, the study assessed almost 1,500 Guatemalans, men and women between 18 and 65 years old.

But a new study of centuries - old tree core samples indicates an abrupt turn of the weather around the first decade of the 13th century.

The study was based on data from the Health and Retirement Study, a nationally - representative sample of older Americans that is conducted by the U-M Institute for Social Research on behalf of the National Institute of Astudy was based on data from the Health and Retirement Study, a nationally - representative sample of older Americans that is conducted by the U-M Institute for Social Research on behalf of the National Institute of AStudy, a nationally - representative sample of older Americans that is conducted by the U-M Institute for Social Research on behalf of the National Institute of Aging.

Tapio, meanwhile, has adapted standard proteomics techniques so that they can be applied to some of the old tissues, and several groups are studying whether micro-RNAs — which help to control gene expression and are relatively stable — are present in the samples.

In the new study, Edward M. Rubin of the U.S. Department of Energy Joint Genome Institute and a team of collaborators (including Pbo) sampled 42,000 - and 44,000 - year - old bones of the cave bear Ursus spelaeus.

In this study, 25 fecal samples were collected from children under 5 years old.

This study was one component of the University of Chicago - based National Social Life, Health and Aging Project (NSHAP), the first in - home study of social relationships and health in a large, nationally representative sample of older adults, ages 57 to 85.

Although the study included a representative national sample, it did not contain enough data on older Asian - Americans with chronic conditions to examine trends over time, so the researchers restricted their analysis to Blacks, Whites and Hispanics.

The 7 - 10 year old participants were drawn from the Twins Early Development Study, a large UK representative sample.

The Health and Retirement Study consists of older volunteers sampled from urban and rural areas across the U.S., while the Southern Community Cohort Study focuses on African Americans in the South, particularly areas that have a disproportionately high burden of disease.

Results from the previous times (Times 1 - 3) of the Swedish longitudinal OCTO immune study indicated that a combination of high CD8 and low CD4 percentages and poor T - cell proliferation in PBL was associated with a higher 2 - year mortality in a sample of very old Swedish individuals.

The study provides a large number of cases (children with ASD) and controls (typically developing, or TD, children), along with blood samples from mothers when their children were 2 to 4 years old.

With respect to previous literature, our results are generally consistent with Donn and Sherman's (2002) findings that the (younger) undergraduate students in their sample were less likely than the (older) graduate students who participated in their study to report having used the Internet to meet potential partners.

It is composed out of past paper questions taken from the 2x sample papers released by OCR, together with a number of questions from the old OCR Business Studies specification.

The study of research is a qualitative research by using purposive sampling to select 10 volunteers who have unwanted pregnancy mother is 13 - 21 years old and they have to take care their children is newborn to 2 years old from Phichit province in Thailand.

All are composed out of past paper questions taken from the 2x sample papers released by OCR, together with a number of questions from the old OCR Business Studies specification - over 65 pages of questions all together!

The Early Learning Study at Harvard — which kicks off this spring and is set to last at least four and a half years, with plans for extension — will follow a demographically representative sample of three - year - olds from across Massachusetts, capturing their experiences in the actual settings in which they spend their time.

When complete, the household survey will form one cornerstone of a study that will follow a representative sample of three - and four - year - olds from across Massachusetts for four years, capturing their experiences in the actual settings in which they spend their time.

This study attempts to determine the graduation likelihood of a sample of 12 - year - old students in the Chicago area who were at risk of not completing school due to poverty.

The teachers who participated in this survey research study included a random sample of 854 public K - 12 school teachers, aged 18 and older, with Internet access, living in all 50 U.S. states and the District of Columbia.