Log in

Relevant bibliographies by topics / Cumulative Population Doubling Level / Journal articles

To see the other types of publications on this topic, follow the link: Cumulative Population Doubling Level.

Journal articles on the topic 'Cumulative Population Doubling Level'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Cumulative Population Doubling Level.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Fung, Isaac Chun-Hai, Xiaolu Zhou, Chi-Ngai Cheung, et al. "Assessing Early Heterogeneity in Doubling Times of the COVID-19 Epidemic across Prefectures in Mainland China, January–February, 2020." Epidemiologia 2, no. 1 (2021): 95–113. http://dx.doi.org/10.3390/epidemiologia2010009.

Full text

Abstract:

To describe the geographical heterogeneity of COVID-19 across prefectures in mainland China, we estimated doubling times from daily time series of the cumulative case count between 24 January and 24 February 2020. We analyzed the prefecture-level COVID-19 case burden using linear regression models and used the local Moran’s I to test for spatial autocorrelation and clustering. Four hundred prefectures (~98% population) had at least one COVID-19 case and 39 prefectures had zero cases by 24 February 2020. Excluding Wuhan and those prefectures where there was only one case or none, 76 (17.3% of 4

APA, Harvard, Vancouver, ISO, and other styles

2

Sun, Yi, Annette Nold, Ulrich Glitsch, and Frank Bochmann. "Exposure–Response Relationship and Doubling Risk Doses—A Systematic Review of Occupational Workload and Osteoarthritis of the Hip." International Journal of Environmental Research and Public Health 16, no. 19 (2019): 3681. http://dx.doi.org/10.3390/ijerph16193681.

Full text

Abstract:

In this review, we critically evaluated the evidence of exposure–response relationships between occupational workload and the risk of hip osteoarthritis. The existing evidence was evaluated in order for us to extrapolate possible doubling risk doses for hip osteoarthritis. Comprehensive searches for epidemiological studies of hip osteoarthritis and occupational workload were performed in literature databases (PubMed, EMBASE, Cochrane Work and Google Scholar) and recent reviews up to February 2019. In total, 85 papers met the preliminary inclusion criteria, and 10 studies indicating an exposure

APA, Harvard, Vancouver, ISO, and other styles

3

Turner, D. A., and R. Brightwell. "An evaluation of a sequential aerial spraying operation against Glossina pallidipes Austen (Diptera: Glossinidae) in the Lambwe Valley of Kenya: aspects of post-spray recovery and evidence of natural population regulation." Bulletin of Entomological Research 76, no. 2 (1986): 331–49. http://dx.doi.org/10.1017/s0007485300014802.

Full text

Abstract:

AbstractAn attempt to eradicate Glossina pallidipes Austen from the Lambwe Valley of western Kenya by sequential aerial application of endosulfan aerosol spray is described. The operation was ultimately unsuccessful, even after nine sprays of relatively heavy dosages of insecticide. Survivors were present throughout after each spray, and females mated and bred between sprays. The population was reduced by over 99·9% in main habitats of thicket and woodland and by about 90% in conifer plantation. The outcome of a model of spray effectiveness suggested, however, that the final reduction in popul

APA, Harvard, Vancouver, ISO, and other styles

4

Salvatore, Maxwell, Deepankar Basu, Debashree Ray, et al. "Comprehensive public health evaluation of lockdown as a non-pharmaceutical intervention on COVID-19 spread in India: national trends masking state-level variations." BMJ Open 10, no. 12 (2020): e041778. http://dx.doi.org/10.1136/bmjopen-2020-041778.

Full text

Abstract:

ObjectivesTo evaluate the effect of four-phase national lockdown from March 25 to May 31 in response to the COVID-19 pandemic in India and unmask the state-wise variations in terms of multiple public health metrics.DesignCohort study (daily time series of case counts).SettingObservational and population based.ParticipantsConfirmed COVID-19 cases nationally and across 20 states that accounted for >99% of the current cumulative case counts in India until 31 May 2020.ExposureLockdown (non-medical intervention).Main outcomes and measuresWe illustrate the masking of state-level trends and highli

APA, Harvard, Vancouver, ISO, and other styles

5

Seo, Min-Soo, Kyung-Ku Kang, Se-Kyung Oh, et al. "Isolation and Characterization of Feline Wharton’s Jelly-Derived Mesenchymal Stem Cells." Veterinary Sciences 8, no. 2 (2021): 24. http://dx.doi.org/10.3390/vetsci8020024.

Full text

Abstract:

Wharton’s jelly is a well-known mesenchymal stem cell source in many species, including humans. However, there have been no reports confirming the presence of mesenchymal stem cells in Wharton’s jelly in cats. The purpose of this study was to isolate mesenchymal stem cells (MSCs) from the Wharton’s jelly of cats and to characterize stem cells. In this study, feline Wharton’s jelly-derived mesenchymal stem cells (fWJ-MSCs) were isolated and successfully cultured. fWJ-MSCs were maintained and the proliferative potential was measured by cumulative population doubling level (CPDL) test, scratch te

APA, Harvard, Vancouver, ISO, and other styles

6

Chang, Yu Sang, Byong-Jin You, and Hann Earl Kim. "Dynamic Trends of Fine Particulate Matter Exposure across 190 Countries: Analysis and Key Insights." Sustainability 12, no. 7 (2020): 2910. http://dx.doi.org/10.3390/su12072910.

Full text

Abstract:

Despite the fact that fine particulate matter (PM2.5) causes serious health issues, few studies have investigated the level and annual rate of PM2.5 change across a large number of countries. For a better understanding of the global trend of PM2.5, this study classified 190 countries into groups showing different trends of PM2.5 change during the 2000–2014 period by estimating the progress ratio (PR) from the experience curve (EC), with PM2.5 exposure (PME)–the population-weighted average annual concentration of PM2.5 to which a person is exposed—as the dependent variable and the cumulative en

APA, Harvard, Vancouver, ISO, and other styles

7

Keizman, Daniel, Moshe A. Frenkel, Avivit Peer, et al. "Effect of pectasol-c modified citrus pectin (P-MCP) treatment (tx) on PSA dynamics in non-metastatic biochemically relapsed prostate cancer (BRPC) patients (pts): Results of a prospective phase II study." Journal of Clinical Oncology 36, no. 6_suppl (2018): 14. http://dx.doi.org/10.1200/jco.2018.36.6_suppl.14.

Full text

Abstract:

14 Background: 30% of pts with localized PC will have a biochemical relapse post local tx. The optimal tx of these pts remains elusive. While androgen deprivation therapy is effective in reducing PSA level, its long-term benefit on survival remain undefined, and it is associated with significant cumulative toxicities.Thus, evaluation of new non-toxic compounds in this pt population is warranted. P-MCP is a competitive inhibitor of galectin-3, a carbohydrate-binding protein, which is known to be involved in cancer pathogenesis. Pre-clinical and clinical data suggest that P-MCP is active in PC.

APA, Harvard, Vancouver, ISO, and other styles

8

Houben, Amelie Pia, Anja Buchheiser, Murat Aktas, Johannes Fischer, Peter Wernet, and Gesine Koegler. "Age-Related Differences Between Unrestricted Somatic Stem Cells from Cord Blood and Bone Marrow Derived Mesenchymal Stroma Cells." Blood 112, no. 11 (2008): 1335. http://dx.doi.org/10.1182/blood.v112.11.1335.1335.

Full text

Abstract:

Abstract During the past years haematopoietic stem cells from unrelated umbilical cord blood have been increasingly used for treatment of leukaemia and genetic diseases. Human cord blood also contains a non-haematopoietic, adherently growing, CD45 negative, Oct4, nanog and Sox2 negative cell population with intrinsic multipotent differentiation potential, described as Unrestricted Somatic Stem Cells (USSC) (Kögler et al. 2004, Kögler et al. 2005, Kögler et al. 2006, Sensken et al. 2007, Liedtke et al. 2007, Liedtke et al.2008, Greschat et al. 2008, Ghodsizad A et al. 2008, Trapp et al. 2008

APA, Harvard, Vancouver, ISO, and other styles

9

Keizman, Daniel, Moshe A. Frenkel, Todd Michael Edwards, et al. "Effect of PectaSol-C modified citrus pectin (P-MCP) treatment (tx) on PSA dynamics in patients (pts) with nonmetastatic, biochemically relapsed prostate cancer (BRPC): Results of the interim analysis of a prospective phase II study." Journal of Clinical Oncology 35, no. 15_suppl (2017): e16588-e16588. http://dx.doi.org/10.1200/jco.2017.35.15_suppl.e16588.

Full text

Abstract:

e16588 Background: 30% of pts with localized PC will have a biochemical relapse post local tx. The optimal tx of these pts remains elusive. While androgen deprivation therapy is effective in reducing PSA level, its long term benefit on survival remain undefined, and it is associated with significant cumulative toxicities.Thus evaluation of new non-toxic compounds in this pt population is warranted. P-MCP is a competitive inhibitor of galectin-3, a carbohydrate-binding protein, which is known to be involved in cancer pathogenesis. Preliminary pre-clinical and clinical data suggest that P-MCP is

APA, Harvard, Vancouver, ISO, and other styles

10

Ang, A. H., G. Tachas, J. H. Campbell, J. F. Bateman, and G. R. Campbell. "Collagen synthesis by cultured rabbit aortic smooth-muscle cells. Alteration with phenotype." Biochemical Journal 265, no. 2 (1990): 461–69. http://dx.doi.org/10.1042/bj2650461.

Full text

Abstract:

Enzymically isolated rabbit aortic smooth-muscle cells (SMC) in the first few days of primary culture express a ‘contractile phenotype’, but with time these cells modulate to a ‘synthetic phenotype’. Synthetic-state SMC are able to proliferate, and, provided that they undergo fewer than 5 cumulative population doublings, return to the contractile phenotype after reaching confluency [Campbell, Kocher, Skalli, Gabbiani & Campbell (1989) Arteriosclerosis 9, 633-643]. The present study has determined the synthesis of collagen, at the protein and mRNA levels, by cultured SMC as they undergo a c

APA, Harvard, Vancouver, ISO, and other styles

11

Guilloton, Fabien, Gersende Caron, Cédric Ménard, et al. "Mesenchymal Stromal Cells Orchestrate Follicular Lymphoma Cell Niche Through the CCL2-Dependent Recruitment and Polarization of Monocytes." Blood 118, no. 21 (2011): 1566. http://dx.doi.org/10.1182/blood.v118.21.1566.1566.

Full text

Abstract:

Abstract Abstract 1566 Accumulating evidence indicates that infiltrating stromal cells contribute directly and indirectly to tumor growth in a wide range of solid cancers and hematological malignancies. In follicular lymphoma (FL), malignant B cells are found admixed with heterogeneous lymphoid-like stromal cells within invaded lymph nodes and bone marrow (BM). In addition, in vitro functional studies have underlined that mesenchymal cells recruit malignant FL B cells and protect them from spontaneous and drug-induced apoptosis. In particular, we have previously demonstrated that mesenchymal s

APA, Harvard, Vancouver, ISO, and other styles

12

Matthews, J. Brian. "Physics of Climate Change: Harmonic and exponential processes from in situ ocean time series observations show rapid asymmetric warming." JOURNAL OF ADVANCES IN PHYSICS 6, no. 2 (2014): 1135–71. http://dx.doi.org/10.24297/jap.v6i2.6960.

Full text

Abstract:

Analyses of rare ocean timeseries in the top few meters show logarithmic and exponential processes control anthropogenic global warming (AGW) of which 93% is in the oceans. Processes result in asymmetric heat capture in the North and South tropical Pacific. A new Lagrangian paradigm established a global ocean surface freshwater and heat conveyor. Climate research wrongly assumed atmospheric pan-evaporation at sea as over land, a 10m well-mixed surface layer, and ignored that seawater density depends on both salinity and temperature. In situ observations show two different heat-capture and evap

APA, Harvard, Vancouver, ISO, and other styles

13

MISRA, A. K., KUSUM LATA, and J. B. SHUKLA. "A MATHEMATICAL MODEL FOR THE DEPLETION OF FORESTRY RESOURCES DUE TO POPULATION AND POPULATION PRESSURE AUGMENTED INDUSTRIALIZATION." International Journal of Modeling, Simulation, and Scientific Computing 05, no. 01 (2013): 1350022. http://dx.doi.org/10.1142/s1793962313500220.

Full text

Abstract:

In this paper, a nonlinear mathematical model is proposed and analyzed to study the depletion of forestry resources caused simultaneously by population and population pressure augmented industrialization. The control of population pressure, using economic efforts is also considered in the modeling process. It is assumed that cumulative biomass density of forestry resources and the density of population follow logistic models. It is further assumed that the density of population and the level of industrialization increase as the cumulative biomass density of forestry resources increases. The cu

APA, Harvard, Vancouver, ISO, and other styles

14

KhudaBukhsh, Wasiur R., Boseung Choi, Eben Kenah, and Grzegorz A. Rempała. "Survival dynamical systems: individual-level survival analysis from population-level epidemic models." Interface Focus 10, no. 1 (2019): 20190048. http://dx.doi.org/10.1098/rsfs.2019.0048.

Full text

Abstract:

In this paper, we show that solutions to ordinary differential equations describing the large-population limits of Markovian stochastic epidemic models can be interpreted as survival or cumulative hazard functions when analysing data on individuals sampled from the population. We refer to the individual-level survival and hazard functions derived from population-level equations as a survival dynamical system (SDS). To illustrate how population-level dynamics imply probability laws for individual-level infection and recovery times that can be used for statistical inference, we show numerical ex

APA, Harvard, Vancouver, ISO, and other styles

15

Fatima, Qandeel, Nakhshab Choudhry, and Mahmood S. Choudhery. "Umbilical Cord Tissue Derived Mesenchymal Stem Cells Can Differentiate into Skin Cells." Open Life Sciences 13, no. 1 (2018): 544–52. http://dx.doi.org/10.1515/biol-2018-0065.

Full text

Abstract:

AbstractAutologous skin grafts are used to treat severe burn wounds, however, the availability of adequate donor sites makes this option less practical. Recently, stem cells have been used successfully in tissue engineering and in regenerative medicine. The current study aims to differentiate umbilical cord tissue derived mesenchymal stem cells (CT-MSCs) into skin cells (fibroblasts and keratinocytes) for use to treat severe burn wounds. After isolation, MSCs were characterized and their growth characteristics were determined. The cells were induced to differentiate into fibroblasts and kerati

APA, Harvard, Vancouver, ISO, and other styles

16

Nie, Xiao-Bao, Yu-Qing Wu, Yuan-Nan Long, Chang-Bo Jiang, and Li Kong. "Impact of temperature and dissolved oxygen level on the population dynamics of naidids and their reproduction in biological activated carbon filters: a life table demographic study." Water Supply 19, no. 5 (2019): 1363–70. http://dx.doi.org/10.2166/ws.2019.002.

Full text

Abstract:

Abstract Aquatic macro-organisms, such as naidids, propagate excessively in biological activated carbon (BAC) filters. This has become a troublesome problem for drinking water plants. For successful control of naidid contamination risk, it is necessary to determine the population dynamics under different environmental conditions within drinking water plants, with special emphasis on BAC filters. In this study, field studies of naidid distribution in a drinking water plant were conducted, and the effects of temperature and dissolved oxygen (DO) on naidid population dynamics were investigated us

APA, Harvard, Vancouver, ISO, and other styles

17

Tsapali, Dimitra S., Kalliope E. Sekeri-Pataryas, Anastasia Prombona, and Thomae G. Sourlingas. "mRNA levels of the linker histone variant, H1o, in mitotically active human diploid fibroblasts as a function of the phases of the cell cycle and cumulative population doublings." Mechanisms of Ageing and Development 121, no. 1-3 (2001): 101–12. http://dx.doi.org/10.1016/s0047-6374(00)00201-3.

Full text

APA, Harvard, Vancouver, ISO, and other styles

18

SASAO, Takafumi, Yuki FUKUDA, Sayako YOSHIDA, et al. "Population doubling level-dependent change of secreted glycosaminoglycan in equine bone marrow-derived mesenchymal stem cells." Journal of Equine Science 26, no. 3 (2015): 73–80. http://dx.doi.org/10.1294/jes.26.73.

Full text

APA, Harvard, Vancouver, ISO, and other styles

19

Stejskal, V. "Non-linear relationship between food resource exploitation and population density of stored-product pests." Czech Journal of Food Sciences 18, No. 3 (2000): 81–85. http://dx.doi.org/10.17221/8315-cjfs.

Full text

Abstract:

The main current strategies (IPM, HACCP) to control pests in stored food products are based on critical thresholds derived from pest population density. These thresholds usually do not consider cumulative effects of earlier pest infestation although injuries caused by biotic pest organisms to stored food commodities are irreversible. We present conceptual and illustrative models showing that population size indices, in contrast to cumulative (population history) indices, could (i) underestimate critical thresholds if pest population can grow exponentially and (ii) provide incorrect information

APA, Harvard, Vancouver, ISO, and other styles

20

Isaykina, Yanina, Elena Lyakh, Maria Novikova, Yulia Savich, and Lyudmila Keda. "Proliferative activity of mesenchymal stem cells from different parts of the placenta." Science and Innovations 7, no. 221 (2021): 76–80. http://dx.doi.org/10.29235/1818-9857-2021-7-76-80.

Full text

Abstract:

The ability of mesenchymal stem cells (MSCs) isolated from the decidua, chorionic tissue and amniotic membrane of the placenta to the self-renewal and the proliferation was investigated. Our results revealed that the number of colony forming unit-fibroblast (CFU-F) and the growth rate of MSCs were higher in the decidua and chorionic tissue compared to the amniotic membrane. Decidua MSCs and chorionic MSCs possessed a similar powerful proliferative potential and increased in 1010- fold in cultures for 3 months, that is 103 times more then the amniotic MSCs. The cumulative population doubling (P

APA, Harvard, Vancouver, ISO, and other styles

21

SHIVASHANKAR, RAINA, EDWARD V. LOFTUS, WILLIAM J. TREMAINE, et al. "Incidence of Spondyloarthropathy in Patients with Crohn’s Disease: A Population-based Study." Journal of Rheumatology 39, no. 11 (2012): 2148–52. http://dx.doi.org/10.3899/jrheum.120321.

Full text

Abstract:

Objective.Spondyloarthritis (SpA) is an extraintestinal manifestation of inflammatory bowel disease with significant clinical effects, although the frequency is uncertain. We assessed the cumulative incidence and clinical spectrum of SpA in patients with Crohn’s disease (CD) in a population-based cohort.Methods.The medical records of a population-based cohort of Olmsted County, Minnesota, residents diagnosed with CD between 1970 and 2004 were reviewed. Patients were followed longitudinally until migration, death, or December 31, 2010. We used the European Spondylarthropathy Study Group, Assess

APA, Harvard, Vancouver, ISO, and other styles

22

Moore, Elizabeth R. H., Matthew R. Smith, Debbie Humphries, Robert Dubrow, and Samuel S. Myers. "The Mismatch between Anthropogenic CO2 Emissions and Their Consequences for Human Zinc and Protein Sufficiency Highlights Important Environmental Justice Issues." Challenges 11, no. 1 (2020): 4. http://dx.doi.org/10.3390/challe11010004.

Full text

Abstract:

The impacts of climate change are not equally distributed globally. We examined the global distribution of CO2 emissions and the ensuing distribution of increases in the risk of zinc and protein deficiency resulting from elevated atmospheric CO2 concentrations. We estimated cumulative per capita (2011–2050) CO2 emissions for 146 countries using existing measurement data and by apportioning regional emissions projections. We tested the relationship between cumulative per capita CO2 emissions and the risk of additional zinc and protein deficiency at the population-level and country-level. At the

APA, Harvard, Vancouver, ISO, and other styles

23

Metz, S. G., H. C. Sharma, T. A. Armstrong, and P. N. Mascia. "Chromosome doubling and aneuploidy in anther-derived plants from two winter wheat lines." Genome 30, no. 2 (1988): 177–81. http://dx.doi.org/10.1139/g88-030.

Full text

Abstract:

Anther-derived, doubled haploid populations were obtained from two hard red winter wheats, 'Centurk' and NB88. Spontaneous doubling frequency, efficiency of colchicine treatment, and vernalization requirement were evaluated within each population. In cytological evaluation among the regenerates, haploids, diploids, haploid aneuploids, and diploid aneuploids were observed. Most regenerates were either haploid or diploid. The frequency of anthers producing at least one haploid, diploid, or aneuploid was the same for both genotypes. The regenerates from the same anther had the same ploidy level 8

APA, Harvard, Vancouver, ISO, and other styles

24

Gray, Richard T., Lei Zhang, Tony Lupiwa, and David P. Wilson. "Forecasting the Population-Level Impact of Reductions in HIV Antiretroviral Therapy in Papua New Guinea." AIDS Research and Treatment 2011 (2011): 1–8. http://dx.doi.org/10.1155/2011/891593.

Full text

Abstract:

Papua New Guinea (PNG) recently did not secure external funding for the continuation of its antiretroviral treatment (ART) programs meaning that supplies of HIV drugs for the estimated 38,000 people living with HIV in PNG could be completely depleted during 2010. Using a mathematical model of HIV transmission calibrated to available HIV epidemiology data from PNG, we evaluated the expected population-level impact of reductions in ART availability. If the number of people on ART falls to 10% of its current level, then there could be an approximately doubling in annual incidence and an additiona

APA, Harvard, Vancouver, ISO, and other styles

25

Koo, Dong-Hoe, Kyung-Do Han, and Cheol-Young Park. "The Incremental Risk of Pancreatic Cancer According to Fasting Glucose Levels: Nationwide Population-Based Cohort Study." Journal of Clinical Endocrinology & Metabolism 104, no. 10 (2019): 4594–99. http://dx.doi.org/10.1210/jc.2019-00033.

Full text

Abstract:

Abstract Context It has been unclear whether the risk of pancreatic cancer is different according to glucose levels. Objective To determine the association between fasting glucose levels and pancreatic cancer risk using prospectively collected nationwide population-based cohort data in Korea. Design The National Health Insurance Service database of claims and preventive health check-up data recorded was used between 2009 and 2015. Setting and Participants A total of 25.4 million patients who had participated in a preventive health check-up between 2009 and 2013 were evaluated for pancreatic ca

APA, Harvard, Vancouver, ISO, and other styles

26

Derex, Maxime, Charles Perreault, and Robert Boyd. "Divide and conquer: intermediate levels of population fragmentation maximize cultural accumulation." Philosophical Transactions of the Royal Society B: Biological Sciences 373, no. 1743 (2018): 20170062. http://dx.doi.org/10.1098/rstb.2017.0062.

Full text

Abstract:

Identifying the determinants of cumulative cultural evolution is a key issue in the interdisciplinary field of cultural evolution. A widely held view is that large and well-connected social networks facilitate cumulative cultural evolution because they promote the spread of useful cultural traits and prevent the loss of cultural knowledge through factors such as drift. This view stems from models that focus on the transmission of cultural information, without considering how new cultural traits actually arise. In this paper, we review the literature from various fields that suggest that, under

APA, Harvard, Vancouver, ISO, and other styles

27

Verma, V., B. Huang, P. K. Kallingappa, and B. Oback. "279 INNER CELL MASS-DERIVED BOVINE CELL CULTURES MAINTAIN PLURIPOTENCY UNDER CHEMICALLY DEFINED CONDITIONS OF DUAL KINASE INHIBITION." Reproduction, Fertility and Development 25, no. 1 (2013): 287. http://dx.doi.org/10.1071/rdv25n1ab279.

Full text

Abstract:

Authentic embryonic pluripotent stem cells (ePSC), capable of giving rise to all cell types of an adult animal, are only available in mouse and rat. Here, we report the generation of bovine ePSC-like cells under minimal conditions. Inner cell masses were immunosurgically isolated from IVF bovine blastocysts and explanted on laminin/gelatine-coated substrates. Explants were cultured feeder-free under low oxygen (7%) in a chemically defined medium containing inhibitors of mitogen-activated protein kinase kinase (MAPKK) and glycogen synthase kinase-3 signalling (GSK3). Dual kinase inhibition (2i)

APA, Harvard, Vancouver, ISO, and other styles

28

Yadav, Ritesh Kumar, and Jahanara Jahanara. "IMPACT OF KVK IN DOUBLING FARMERS INCOME IN SITAPUR DISTRICT OF UTTAR PRADESH." International Journal of Advances in Agricultural Science and Technology 8, no. 9 (2021): 92–105. http://dx.doi.org/10.47856/ijaast.2021.v08i9.011.

Full text

Abstract:

More than half of Indian population were engaged in agricultural sector but the available technology doesn’t ensure food security of the country. Hence, to diffuse new agricultural invention and innovation in the farming community, there arises a need for effective medium for transfer of technology. Thus, KVK bridges the gap between the technology generation and dissemination. The present study was proposed to understand the impact of KVK in doubling farmers income to formulate suitable programmes. For the study, descriptive research design was adopted. 120 respondents from Biswan taluk of Sit

APA, Harvard, Vancouver, ISO, and other styles

29

Jamison, Dean T., Lawrence J. Lau, Kin Bing Wu, and Yanyan Xiong. "Country performance against COVID-19: rankings for 35 countries." BMJ Global Health 5, no. 12 (2020): e003047. http://dx.doi.org/10.1136/bmjgh-2020-003047.

Full text

Abstract:

ObjectiveTo generate rankings of 35 countries from all continents (except Africa) on performance against COVID-19.DesignInternational time series, cross-sectional analysis.Selected countriesCountries having 5500 or more cases (collectively including 85% of the world’s cases) as of 16 April 2020 and that had reached 135 days into their pandemic by 30 July.Main outcome measuresThe initial severity and late-pandemic performance of countries can reasonably be ranked by COVID-19 cases or deaths per million population. For guiding policy and informing public accountability during the pandemic, we pr

APA, Harvard, Vancouver, ISO, and other styles

30

Kirkwood, Roger, David Pemberton, Rosemary Gales, et al. "Continued population recovery by Australian fur seals." Marine and Freshwater Research 61, no. 6 (2010): 695. http://dx.doi.org/10.1071/mf09213.

Full text

Abstract:

Australian fur seals (Arctocephalus pusillus doriferus) are conspicuous, top-level predators in coastal waters of south-eastern Australia that were over-harvested during the 1800s and have had a delayed recovery. A previous species-wide estimate of live pups in 2002 recorded a near-doubling of annual pup production and a 5% annual growth rate since the 1980s. To determine if pup production increased after 2002, we estimated live pup numbers in 2007. Pups were recorded at 20 locations: 10 previously known colonies, three newly recognised colonies and seven haul-out sites where pups are occasion

APA, Harvard, Vancouver, ISO, and other styles

31

Paramonov, V. V., and І. S. Dyagil. "CUMULATIVE INCIDENCE OF LYMPHOID AND MYELOID LEUKEMIAS IN DIFFERENT REGIONS OF THE CHERKASSY REGION IN 2001 AND 2014." Клінічна та профілактична медицина 2, no. 16 (2021): 48–56. http://dx.doi.org/10.31612/2616-4868.2(16).2021.06.

Full text

Abstract:

The purpose - to carry out comparison of the cumulative morbidity on the lymphoid and myeloid leukemia on relatively clean and contaminated regions of the Cherkassy region for 2001 and 2014. Materials and methods. The incidence was determined in regions A (relatively clean), B (radioactive contaminated), C (chemically contaminated) and D (radioactive and chemical contaminated) per 100 thousand population, which was registered during the All-Ukrainian census conducted in 2001, and in 2014 according to the published data of the State Statistical Service of Ukraine. Results. In 2001,

APA, Harvard, Vancouver, ISO, and other styles

32

McLaughlin, Margaret J., and Maria F. Owings. "Relationships among States' Fiscal and Demographic Data and the Implementation of P.L. 94–142." Exceptional Children 59, no. 3 (1992): 247–61. http://dx.doi.org/10.1177/001440299305900308.

Full text

Abstract:

This study examined the relationships between state-level fiscal and demographic variables and identification rates and cumulative placement rates for certain categories of special education students in 1976, 1980, and 1983. The study explored the feasibility of using extant national data to study implementation of special education programs. Identification rates for students with learning disabilities and emotional disturbance were associated with level of state per-capita income and proportion of rural school-age population. States with higher per-capita income tended to have higher cumulati

APA, Harvard, Vancouver, ISO, and other styles

33

SUNDAR, SHYAM, RAM NARESH TRIPATHI, and NIRANJAN SWAROOP. "MODELING THE SURVIVAL OF HUMAN POPULATION IN A STRESSED ENVIRONMENT: EFFECT OF GLOBAL WARMING DUE TO TRAFFIC EMISSIONS." International Journal of Big Data Mining for Global Warming 03, no. 01 (2021): 2150001. http://dx.doi.org/10.1142/s2630534821500017.

Full text

Abstract:

The survival of human population is adversely affected by the global warming due to increasing temperature of earth surface caused by emissions of various gases (such as carbon dioxide, methane, etc.) and particulate matters from vehicles in the traffic. These gases, called greenhouse gases, present in the atmosphere above a certain threshold result to elevate the average temperature of earth surface affecting the human population. To comprehend this problem, in this paper, a nonlinear mathematical model is proposed to study the detrimental effects on human population of the increased earth su

APA, Harvard, Vancouver, ISO, and other styles

34

Bochkova, A. G., A. S. Domozhirova, and I. A. Aksenova. "Efficiency of the gynecologic malignancies identification measures at the level of primary health care." Bulletin of Russian State Medical University, no. (1)2020 (January 22, 2020): 81–88. http://dx.doi.org/10.24075/brsmu.2020.003.

Full text

Abstract:

In Russia, for more than 10 years, within the framework of national projects, the activities have been carried out aimed at restructuring of the primary and specialized (including high-tech) medical care, as well as strengthening of primary health care directed at early detection of malignant neoplasms. The study was aimed to evaluate the effectiveness of the patient examination rooms for women in improvement of the adjusted cumulative survival of patients with gynecologic malignancies detected actively in 2005–2015 in the Chelyabinsk Region. Using the Population Based Cancer Registry (PBCR) o

APA, Harvard, Vancouver, ISO, and other styles

35

Satta, Giannina, Tiziana Serra, Federico Meloni, et al. "Pulmonary Function and CT Scan Imaging at Low-Level Occupational Exposureto Asbestos." International Journal of Environmental Research and Public Health 17, no. 1 (2019): 50. http://dx.doi.org/10.3390/ijerph17010050.

Full text

Abstract:

Background: In spite of the reduced exposure level, and its ban in numerous countries, compensation claims for asbestos-related diseases are far from decreasing. Methods: We used retrospective exposure assessment techniques to explore respiratory function and a computerized tomography (CT) scan in relation to past asbestos exposure in 115 male workers retired from an acrylic and polyester fiber plant. Based, on detailed information on exposure circumstances, we reconstructed a cumulative exposure estimate for each patient. Results: Time-weighted average exposure in our study population was 0.2

APA, Harvard, Vancouver, ISO, and other styles

36

Cao, Yang, Ayako Hiyoshi, and Scott Montgomery. "COVID-19 case-fatality rate and demographic and socioeconomic influencers: worldwide spatial regression analysis based on country-level data." BMJ Open 10, no. 11 (2020): e043560. http://dx.doi.org/10.1136/bmjopen-2020-043560.

Full text

Abstract:

ObjectiveTo investigate the influence of demographic and socioeconomic factors on the COVID-19 case-fatality rate (CFR) globally.DesignPublicly available register-based ecological study.SettingTwo hundred and nine countries/territories in the world.ParticipantsAggregated data including 10 445 656 confirmed COVID-19 cases.Primary and secondary outcome measuresCOVID-19 CFR and crude cause-specific death rate were calculated using country-level data from the Our World in Data website.ResultsThe average of country/territory-specific COVID-19 CFR is about 2%–3% worldwide and higher than previously

APA, Harvard, Vancouver, ISO, and other styles

37

Vickers, Andrew J., Caroline Savage, M. Frank O'Brien, and Hans Lilja. "Systematic Review of Pretreatment Prostate-Specific Antigen Velocity and Doubling Time As Predictors for Prostate Cancer." Journal of Clinical Oncology 27, no. 3 (2009): 398–403. http://dx.doi.org/10.1200/jco.2008.18.1685.

Full text

Abstract:

Purpose Pretreatment prostate-specific antigen (PSA) dynamics (PSA velocity and PSA doubling time) are widely advocated as useful prognostic markers in prostate cancer. We aimed to assess the published evidence for the clinical utility of PSA dynamics in this population. Methods We conducted a systematic review of studies published before March 2007 in which a PSA dynamic (velocity or doubling time) was calculated in patients before definitive treatment, a subsequent event (such as biopsy or recurrence) was ascertained, and the association between the two was analyzed. Our principal end point

APA, Harvard, Vancouver, ISO, and other styles

38

Caldwell, Christine A., and Ailsa E. Millen. "Studying cumulative cultural evolution in the laboratory." Philosophical Transactions of the Royal Society B: Biological Sciences 363, no. 1509 (2008): 3529–39. http://dx.doi.org/10.1098/rstb.2008.0133.

Full text

Abstract:

Cumulative cultural evolution is the term given to a particular kind of social learning, which allows for the accumulation of modifications over time, involving a ratchet-like effect where successful modifications are maintained until they can be improved upon. There has been great interest in the topic of cumulative cultural evolution from researchers from a wide variety of disciplines, but until recently there were no experimental studies of this phenomenon. Here, we describe our motivations for developing experimental methods for studying cumulative cultural evolution and review the results

APA, Harvard, Vancouver, ISO, and other styles

39

Byers, J. R., D. L. Struble, and G. B. Schaalje. "MONITORING POPULATION LEVELS OF EIGHT SPECIES OF NOCTUIDS WITH SEX-ATTRACTANT TRAPS IN SOUTHERN ALBERTA, 1978–1983: CONSISTENCY OF TRAP CATCHES AND PRECISION OF POPULATION ESTIMATES." Canadian Entomologist 119, no. 6 (1987): 557–66. http://dx.doi.org/10.4039/ent119557-6.

Full text

Abstract:

AbstractSex-attractant traps were used to monitor the relative abundances of eight species of cutworm and army worm moths at 81 locations in a 13 000-km2 (5000-mi2) area of southern Alberta from 1978 to 1983. Clover cutworm (Discestra trifolii (Hufn.)), variegated cutworm (Peridroma saucia (Hbn.)), bertha armyworm (Mamestra configurata Wlk.), and Leucania commoides Gn. were monitored during spring and early summer, and redbacked cutworm (Euxoa ochrogaster (Gn.)), darksided cutworm (Euxoa messoria (Harr.)), pale western cutworm (Agrotis orthogonia Morr.), and army cutworm (Euxoa auxiliaris (Grt

APA, Harvard, Vancouver, ISO, and other styles

40

Borkowska, Joanna, Anna Domaszewska-Szostek, Paulina Kołodziej, et al. "Alterations in 5hmC level and genomic distribution in aging-related epigenetic drift in human adipose stem cells." Epigenomics 12, no. 5 (2020): 423–37. http://dx.doi.org/10.2217/epi-2019-0131.

Full text

Abstract:

Aim: To clarify mechanisms affecting the level and distribution of 5-hydroxymethylcytosine (5hmC) during aging. Materials & methods: We examined levels and genomic distribution of 5hmC along with the expression of ten–eleven translocation methylcytosine dioxygenases (TETs) in adipose stem cells in young and age-advanced individuals. Results: 5hmC levels were higher in adipose stem cells of age-advanced than young individuals (p = 0.0003), but were not associated with age-related changes in expression of TETs. 5hmC levels correlated with population doubling time (r = 0.62; p = 0.01). We ide

APA, Harvard, Vancouver, ISO, and other styles

41

Hajmohammad, Sara, and Anton Shevchenko. "Mitigating sustainability risk in supplier populations: an agent-based simulation study." International Journal of Operations & Production Management 40, no. 7/8 (2020): 897–920. http://dx.doi.org/10.1108/ijopm-03-2019-0192.

Full text

Abstract:

PurposeMany modern firms strive to become sustainable. To this end, they are required to improve not only their own environmental and social performance but also the performance of their suppliers. Building on population ecology theory, we explore how buyers' exposure to supplier sustainability risk and their subsequent risk management strategies at the buyer–supplier dyad level can lead to adherence to sustainability by the supplier populations.Design/methodology/approachWe rely on a bottom-up research design, in which the actions of buyers within buyer–supplier dyads lead to population-wide

APA, Harvard, Vancouver, ISO, and other styles

42

Britton, Tom, Pieter Trapman, and Frank Ball. "The risk for a new COVID-19 wave and how it depends on R 0 , the current immunity level and current restrictions." Royal Society Open Science 8, no. 7 (2021): 210386. http://dx.doi.org/10.1098/rsos.210386.

Full text

Abstract:

The COVID-19 pandemic has hit different regions differently. The current disease-induced immunity level î in a region approximately equals the cumulative fraction infected, which primarily depends on two factors: (i) the initial potential for COVID-19 in the region ( R 0 ), and (ii) the preventive measures put in place. Using a mathematical model including heterogeneities owing to age, social activity and susceptibility, and allowing for time-varying preventive measures, the risk for a new epidemic wave and its doubling time are investigated. Focus lies on quantifying the minimal overall effec

APA, Harvard, Vancouver, ISO, and other styles

43

Novitsky, V., H. Cao, N. Rybak, et al. "Magnitude and Frequency of Cytotoxic T-Lymphocyte Responses: Identification of Immunodominant Regions of Human Immunodeficiency Virus Type 1 Subtype C." Journal of Virology 76, no. 20 (2002): 10155–68. http://dx.doi.org/10.1128/jvi.76.20.10155-10168.2002.

Full text

Abstract:

ABSTRACT A systematic analysis of immune responses on a population level is critical for a human immunodeficiency virus type 1 (HIV-1) vaccine design. Our studies in Botswana on (i) molecular analysis of the HIV-1 subtype C (HIV-1C) epidemic, (ii) frequencies of major histocompatibility complex class I HLA types, and (iii) cytotoxic T-lymphocyte (CTL) responses in the course of natural infection allowed us to address HIV-1C-specific immune responses on a population level. We analyzed the magnitude and frequency of the gamma interferon ELISPOT-based CTL responses and translated them into normal

APA, Harvard, Vancouver, ISO, and other styles

44

Pal, P., and J. W. Lewis. "Parasite aggregations in host populations using a reformulated negative binomial model." Journal of Helminthology 78, no. 1 (2004): 57–61. http://dx.doi.org/10.1079/joh2003214.

Full text

Abstract:

AbstractThe negative binomial distribution model is reformulated and used to demarcate a host population at a specific level of infection by defining an attribute spanning a range of parasite aggregations. The upper limit of the range specifies the boundary for the classification of the host population and provides a technique to determine the cumulative probability at any level of parasite infection to a high degree of accuracy. This approach also leads to the evaluation of thekparameter, i.e. an inverse measure of dispersion of parasite aggregation, for each fraction of the host population w

APA, Harvard, Vancouver, ISO, and other styles

45

Western, Bruce, Jaclyn Davis, Flavien Ganter, and Natalie Smith. "The cumulative risk of jail incarceration." Proceedings of the National Academy of Sciences 118, no. 16 (2021): e2023429118. http://dx.doi.org/10.1073/pnas.2023429118.

Full text

Abstract:

Research on incarceration has focused on prisons, but jail detention is far more common than imprisonment. Jails are local institutions that detain people before trial or incarcerate them for short sentences for low-level offenses. Research from the 1970s and 1980s viewed jails as “managing the rabble,” a small and deeply disadvantaged segment of urban populations that struggled with problems of addiction, mental illness, and homelessness. The 1990s and 2000s marked a period of mass criminalization in which new styles of policing and court processing produced large numbers of criminal cases fo

APA, Harvard, Vancouver, ISO, and other styles

46

Wang, Kai-Hung, An-Pei Kao, Chia-Cheng Chang, Ta-Chin Lin, and Tsung-Cheng Kuo. "Lifespan Extension and Sustained Expression of Stem Cell Phenotype of Human Breast Epithelial Stem Cells in a Medium with Antioxidants." Stem Cells International 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/4591310.

Full text

Abstract:

We have previously reported the isolation and culture of a human breast epithelial cell type with stem cell characteristics (Type I HBEC) from reduction mammoplasty using the MSU-1 medium. Subsequently, we have developed several different normal human adult stem cell types from different tissues using the K-NAC medium. In this study, we determined whether this low calcium K-NAC medium with antioxidants (N-acetyl-L-cysteine and L-ascorbic acid-2-phosphate) is a better medium to grow human breast epithelial cells. The results clearly show that the K-NAC medium is a superior medium for prolonged

APA, Harvard, Vancouver, ISO, and other styles

47

Wong, David W. S., and Yun Li. "Spreading of COVID-19: Density matters." PLOS ONE 15, no. 12 (2020): e0242398. http://dx.doi.org/10.1371/journal.pone.0242398.

Full text

Abstract:

Physical distancing has been argued as one of the effective means to combat the spread of COVID-19 before a vaccine or therapeutic drug becomes available. How far people can be spatially separated is partly behavioral but partly constrained by population density. Most models developed to predict the spread of COVID-19 in the U.S. do not include population density explicitly. This study shows that population density is an effective predictor of cumulative infection cases in the U.S. at the county level. Daily cumulative cases by counties are converted into 7-day moving averages. Treating the we

APA, Harvard, Vancouver, ISO, and other styles

48

Romaniuk-Drapała, Aleksandra, Ewa Totoń, Natalia Konieczna, et al. "hTERT Downregulation Attenuates Resistance to DOX, Impairs FAK-Mediated Adhesion, and Leads to Autophagy Induction in Breast Cancer Cells." Cells 10, no. 4 (2021): 867. http://dx.doi.org/10.3390/cells10040867.

Full text

Abstract:

Telomerase is known to contribute to telomere maintenance and to provide cancer cell immortality. However, numerous reports are showing that the function of the enzyme goes far beyond chromosome ends. The study aimed to explore how telomerase downregulation in MCF7 and MDA-MB-231 breast cancer cells affects their ability to survive. Consequently, sensitivity to drug resistance, proliferation, and adhesion were assessed. The lentiviral-mediated human telomerase reverse transcriptase (hTERT) downregulation efficiency was performed at gene expression and protein level using qPCR and Western blot,

APA, Harvard, Vancouver, ISO, and other styles

49

Reinold, Jonas, Malte Braitmaier, Oliver Riedel, and Ulrike Haug. "Anticholinergic burden: First comprehensive analysis using claims data shows large variation by age and sex." PLOS ONE 16, no. 6 (2021): e0253336. http://dx.doi.org/10.1371/journal.pone.0253336.

Full text

Abstract:

Purpose The cumulative effect of medication inhibiting acetylcholine activity—also known as anticholinergic burden (AB)—can lead to functional and cognitive decline, falls, and death. Given that studies on the population prevalence of AB are rare, we aimed to describe it in a large and unselected population sample. Methods Using the German Pharmacoepidemiological Research Database (GePaRD) with claims data from ~20% of the German population we analyzed outpatient drug dispensations in 2016. Based on the Anticholinergic Cognitive Burden (ACB) scale, we classified persons into four categories an

APA, Harvard, Vancouver, ISO, and other styles

50

Kreuzinger-Janik, Bianca, Marvin Brinke, Walter Traunspurger, and Nabil Majdi. "Life history traits of the free-living nematode, Plectus acuminatus Bastian, 1865, and responses to cadmium exposure." Nematology 19, no. 6 (2017): 645–54. http://dx.doi.org/10.1163/15685411-00003077.

Full text

Abstract:

Free-living nematodes are ubiquitous and play an essential role in ecosystems. However, little is known about their standard life history traits (LHTs), which limits their inclusion in estimations of energy flows and carrying capacities of ecosystems, as well as in modelling population-level responses to toxicants. Thus, we used the hanging-drop method to measure LHTs of Plectus acuminatus with and without exposure to cadmium (2 mg l−1). In controls, the mean lifespan was 68 days and the maximum 114 days. Individuals laid eggs on average 19 days after hatching, while production of offspring pe

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!