• This sesquiterpene was identified with the help of our collaborators at the Max Planck Institute for Chemical Ecology in Jena and was found to be highly attractive to entomopatogenic nematodes. (unine.ch)
  • He was also author of the books "Physico-chemical factors of biological evolution" (1979) and "Heroes, villains, and conformists of Russian Science" (2001). (wikipedia.org)
  • S. Shnoll Physico-chemical factors of biological evolution. (wikipedia.org)
  • Robert Hazen and Dominic Papineau of the Carnegie Institution's Geophysical Laboratory, with six colleagues, reviewed the physical, chemical, and biological processes that gradually transformed about a dozen different primordial minerals in ancient interstellar dust grains to the thousands of mineral species on present-day Earth. (astronomy.com)
  • Unlike biological species, each mineral species is defined by its characteristic chemical makeup and crystal structure. (astronomy.com)
  • Other activities carried out by the IPCS include the development of know-how for coping with chemical accidents, coordination of laboratory testing and epidemiological studies, and promotion of research on the mechanisms of the biological action of chemicals. (inchem.org)
  • Introduce the range of geological proxy evidence used to reconstruct environmental change (e.g. chemical and biological proxies) with illustration of key intervals in the geological past. (aber.ac.uk)
  • The vivid molecular "movie" that is captured during chemical reactions and biological functions opens new ways to study physical chemistry and quantum mechanics in action. (oregonstate.edu)
  • Pathogens, such as bacteria, viruses and parasites, that cause disease in humans and animals may depend partially or entirely for their existence on other physical, chemical, or biological factors. (who.int)
  • In general, it is impossible to separate environmental factors from biological factors, as can be seen from interrelationships in nature that play a significant role in the emergence of infectious diseases. (who.int)
  • The thing that makes nanoparticles so interesting for applications is that materials in nanosize have properties (optical, chemical, magnetic, biological, electrical, and mechanical) that are completely different from the properties of the same material in bulk. (lu.se)
  • Other highly topical issues are the evolutions of toxins, secretion systems, and antibiotic resistance. (cdc.gov)
  • Environmental factors such as lifestyle, diet, and exposure to toxins and chemical agents, can play an important role in our health. (cdc.gov)
  • The presence of dust strongly affects the way we see galaxies and also the chemical abundances we measure in gas. (aanda.org)
  • It is therefore important to study the chemical evolution of galaxies by taking into account dust evolution. (aanda.org)
  • We have adopted a chemical evolution model for elliptical galaxies taking into account the dust production from low and intermediate mass stars, supernovae Ia, supernovae II, QSOs and both dust destruction and accretion processes. (aanda.org)
  • Redshift evolution of the ratio of the relic galaxies to the total number of massive galaxies. (iac.es)
  • The amount of heavy chemical elements is essential to the understanding of important phenomena such as nucleosynthesis, star formation and chemical evolution of galaxies. (iac.es)
  • We know of its existence due to its gravitational influence, being a key ingredient to understand everything from the large-scale evolution of the universe to the formation of galaxies like the Milky Way, of which we are part of. (iac.es)
  • In this framework, we develop a toy model to follow the chemical evolution of the ICM, formulated in analogy to chemical models for individual galaxies. (aanda.org)
  • The chemical enrichment is computed from "galactic yields" based on models of elliptical galaxies with a variable initial mass function (IMF), favouring the formation of massive stars at high redshift and/or in more massive galaxies. (aanda.org)
  • The mass in the wind-ejected gas is predicted to exceed the mass in galaxies by a factor of 1.5-2 and to constitute roughly half of the intra-cluster gas. (aanda.org)
  • 2008 ). The main stellar sites for dust production are the cool dense atmospheres of Asymptotic Giant Branch (AGB) stars and the supernovae (SNe), and the type of dust formed depends on the chemical composition of the ejecta. (aanda.org)
  • With flexibility in composition, structure, and pore chemistry, MOFs and COFs have shown increasing functionalities associated with agrochemistry in the last decade, potentially introducing reticular chemistry as a highly accessible chemical toolbox into agrochemical technologies. (ucd.ie)
  • Utilize a balanced academic approach to dispel myths surrounding the factors that affect Cannabis growth and its chemical composition. (uvm.edu)
  • They exhibit a wealth of emission lines in their spectra that form the basis for estimation of chemical composition. (iac.es)
  • The internal structure of a star depends on its chemical composition, and so do its other properties, including how long it will live. (nationalacademies.org)
  • Moreover, the chemical composition of the material in dense clouds- the sites of new star formation determines the cloud's transparency, and the energy that is trapped influences the conditions under which new stars are born. (nationalacademies.org)
  • Key Questions About Chemical Composition Thanks to the increasing amount of high-quality spectroscopic data on elemental abundances in stars and in the gas of high-redshift systems, unprecedented progress in the study of the chemical evolution of the universe is possible in the near future. (nationalacademies.org)
  • Future Directions for Understanding Chemical Composition The future directions identified below are intended to elucidate the history of star formation, the major factor in compositional evolution. (nationalacademies.org)
  • The strongest and most robust findings are that policies matter for infant health, particularly those affecting access to health care, and that prenatal smoking and other chemical exposures substantially compromise infant health. (repec.org)
  • Applying a control -focused risk management toolkit for chemical exposures. (cdc.gov)
  • Controlling occupational chemical exposures traditionally involves exposure assessment to ensure compliance with occupational exposure limits (OELs). (cdc.gov)
  • For example, exposure to harmful chemicals may increase the mutation rate, but will not cause more mutations that make the organism resistant to those chemicals. (berkeley.edu)
  • Splicing factor mutations are particularly prevalent in MDS, a group of heterogeneous hematological disorders characterized by defective blood stem cells and a high risk of leukemia development. (lu.se)
  • Accumulating evidence is highlighting a role for aberrant splicing in cancer even in the absence of splicing factors mutations. (lu.se)
  • These mutations change single protein building blocks (amino acids) in the neutrophil cytosolic factor 2 protein, which cause the protein to be abnormally short and nonfunctional or alter its 3-dimensional structure. (medlineplus.gov)
  • All of these mutations decrease the function of the neutrophil cytosolic factor 2 protein or prevent its production. (medlineplus.gov)
  • WHO Library Cataloguing in Publication Data Assessing human health risks of chemicals: derivation of guidance values for health-based exposure limits. (inchem.org)
  • Especially, in cases where chemical exposure by inhalation or skin contact cannot be excluded route-specific toxicity studies should be considered to prevent from inadequate estimates of human health risks. (cdc.gov)
  • His fields of interest were the oscillatory processes in biology, the theory of evolution, chronobiology, and the history of science. (wikipedia.org)
  • In the first section, the 5 chapters introduce the basic processes affecting microbial evolution, from the individual molecular level to the genomic, cellular, and population levels. (cdc.gov)
  • Second, although base substitutions, insertions and deletions, homologous recombination, and lateral gene transfer are discussed throughout the book, a generalized quantitative review of the relative contributions of these processes during the evolution of certain groups of microbial pathogens (e.g. (cdc.gov)
  • These processes are fundamental to the evolution of all groups of organisms, and the analysis of the unparalleled datasets in microbial pathogens can teach us much about the evolution of other groups of organisms. (cdc.gov)
  • Those processes affect our interpretation of the observational results, for instance those concerning the spectral energy distribution (SED) and the chemical abundances of the gas. (aanda.org)
  • Consequently, studying stable isotope and geochemical techniques can significantly improve our understanding of groundwater hydrodynamical processes and chemical evolution [ 26 ]. (hindawi.com)
  • For many processes in laboratories and other workplaces, controls have documented effectiveness for maintaining airborne chemical concentrations within a certain range or band, and can be applied to different chemicals with similar hazard characteristics. (cdc.gov)
  • Creating artificial patina often involves chemical processes. (savedelete.com)
  • Provide a conceptual framework for understanding climate forcing factors and wider environmental responses, and the feedback processes that make such interactions complex. (aber.ac.uk)
  • In this study, the loess phreatic water (LPW) and bedrock phreatic water (BPW) in the Ning County area (NCA) were sampled and analyzed, and the characteristics and controlling factors of groundwater were determined by using statistical analysis, hydrochemical methods, and hydrogeochemical simulation. (mdpi.com)
  • We mainly study the chemical ecology of plant-insect interact ion s . (unine.ch)
  • Now that we have obtained considerable insight into the ecology and the mechanisms of these above- and belowground multi-trophic level interactions, we are applying this knowledge to better understand the evolutionary, ecological and applicable aspects of chemical signalling between plants and insects. (unine.ch)
  • Created in UVM's College of Agriculture and Life Sciences, this 8-week, fully online evidence-based program will cover cannabis chemicals, genetics, agricultural best practices, post-harvest handling, and processing. (uvm.edu)
  • This chapter focuses on Biophysical analysis of chemical compounds, proteins and other secondary metabolites traced in the Wild Antheraea mylitta Tasar cocoons which are predicted to be the key factors to achieve the unique structural and chemical barriers to protect the pupa within the cocoons. (intechopen.com)
  • In parallel,the agro-chemical industry is producing environmentally sustainable compounds and biostimulants to help combat these problems. (soci.org)
  • Study of chemical oscillating reactions conducted under his direction gained prominence to his graduate student Anatoly Zhabotinsky, who investigated in detail the reaction previously discovered by Boris Belousov. (wikipedia.org)
  • They generally use energy from light (photosynthesis) or inorganic chemical reactions (chemosynthesis) and are the producers in a food chain, such as plants on land or algae in water. (answers.com)
  • 5-7 Factors influencing adherence include patient specific characteristics, disease-related characteristics, treatment satisfaction, cosmetic acceptability and complexity of treatment protocols. (skintherapyletter.com)
  • The surface characteristics of various materials, as well as their chemical and organic origin, when suspended in water, can influence colonization by bacteria [5]. (who.int)
  • We investigate the chemical-potential evolution of a two-dimensional electron system (2DES) exposed to a perpendicular magnetic field a function of density. (mpg.de)
  • At high magnetic elds, the chemical-potential evolution within a quantum Hall plateau regime exhibits two anomalies symmetrically located around an integer filling factor 1 or 2. (mpg.de)
  • In agreement with theoretical predictions, we observe the appearance of forbidden gaps in the evolution of states in a magnetic field as the symmetry of a quantum ring is reduced. (lu.se)
  • The authors provide rich detail of molecular variation within and between populations of these species and describe how patterns of population genetic variation have contributed to our understanding of the evolution of virulence and virulence factors in these pathogens. (cdc.gov)
  • How genetic variation and environmental factors affect evolution by natural selection? (answers.com)
  • Mark Hahn, Ph.D., Senior Scientist at Woods Hole Oceanographic Institution and researcher with the Boston University SRP Center, and Adam Labadorf, Ph.D., Assistant Professor at Boston University, will describe the integration of diverse genome-scale data sets to obtain a better understanding of how genetic variation influences sensitivity and resistance to hazardous chemicals. (clu-in.org)
  • A key factor was the churning of the planet's interior by plate tectonics, the process that drives the slow shifting continents and ocean basins over geological time. (astronomy.com)
  • Registry (ATSDR) is mandated to address the potential tified the immune system as the most sensitive organ system health impact of hazardous substances to human health for a number of chemicals. (cdc.gov)
  • Unique to Earth, plate tectonics created new kinds of physical and chemical environments where minerals could form, and thereby boosted mineral diversity to more than a thousand types. (astronomy.com)
  • Once life appears on a planet, regardless of the circumstances under which it appeared, evolution will push toward occupying every conceivable niche, even when the environments in some niches are very different from that in which life first arose. (nationalacademies.org)
  • Ecological factors influence balancing selection on leaf chemical profiles of a wildflower. (mpg.de)
  • To date, agrochemistry has utilized chemical technologies in the form of pesticides, fertilizers, veterinary drugs and various functional materials to meet fundamental demands from human society, while increasing the socio-ecological consequences due to inefficient use. (ucd.ie)
  • Dust modifies the physical and chemical conditions of the interstellar medium (ISM), in particular it prevents stellar radiation from penetrating dense clouds, affects the cooling process, and depletes elements into grains. (aanda.org)
  • Unlike conversion between water and hydrogen, chemical recycling of carbon dioxide can produce various useable products because carbon can develop vast varieties of organic structures. (hiroshima-u.ac.jp)
  • The wrapping improved carbon dioxide reduction of the copper beneath this organic layer by suppressing hydrogen evolution, and also maintained the cubic structure throughout the catalyst operation," said Kume. (hiroshima-u.ac.jp)
  • Another important factor for improving the quality of the organic layer was the temperature at the time of the growth, with the best results found at room temperature. (hiroshima-u.ac.jp)
  • The social historical context is provided throughout this chapter to describe the context which pushed forward the evolution of research about occupational health issues. (cdc.gov)
  • What environmental factors probably favored the evolution of autotrophs? (answers.com)
  • What environmental factors do you think contributed to its evolution? (answers.com)
  • How environmental factors contribute to evolution by natural selection. (answers.com)
  • Environmental factors ARE evolution by natural selection. (answers.com)
  • What are its drawbacks its dangers its environmental factors? (answers.com)
  • In the interest of all users of the Environmental Health Criteria monographs, readers are kindly requested to communicate any errors that may have occurred to the Director of the International Programme on Chemical Safety, World Health Organization, Geneva, Switzerland, in order that they may be included in corrigenda. (inchem.org)
  • The evidence available to support various theories about the role of climatic and environmental change upon human evolution will be critically assessed. (aber.ac.uk)
  • Many serious diseases related to environmental factors have recently emerged worldwide. (who.int)
  • Many factors have contributed to the persistence and increase in the occurrence of infectious diseases, such as societal changes, health care, food production, human behaviour, environmental change, public health infrastructure and microbial adaptation [2]. (who.int)
  • Many diseases related to environmental factors have recently emerged worldwide and are of a degree to raise serious concerns. (who.int)
  • The focus of this paper is on the environmental factors associated with emergence of disease. (who.int)
  • Researchers believe that a combination of genetic and environmental factors play a role in development of this complex condition. (medlineplus.gov)
  • These new properties may cause a problem if nanoparticles are unintentionally released - very few of these particles exist in nature and we as humans have not been exposed to them throughout evolution. (lu.se)
  • Whilst impaction and interception are factors that are more dominant for micro-sized particles, nanosized particle depositions are more driven by diffusion (in particular at low air speed, such as in the alveoli) and surface charge. (lu.se)
  • CDC remains committed to exploring potential risk factors for ASD by using world-class data and analytics. (cdc.gov)
  • Strain-specific genome evolution in Trypanosoma cruzi, the agent of Chagas disease. (cdc.gov)
  • Climatic factors limiting spruce growth in the Czech Republic in the period 1968-2013. (cabi.org)
  • The main objective of the study was to evaluate long-term growth response of spruce to climatic factors using the set of 3,062 tree-ring series collected in 2013-2019 from the entire territory of the Czech Republic. (cabi.org)
  • How much is deposited depends on particle properties such as size, and physiological factors such as oral or nasal inhalation and exercise or rest. (lu.se)
  • 2004 ), but it is not clear how dust evolution proceeds in SN II enviroments (Dwek et al. (aanda.org)
  • All the chemical elements were present from the start in the solar systems' primordial dust, but they formed comparatively few minerals. (astronomy.com)
  • In a special facility known as the Planetary Environment and Analysis Chamber (PEACh), Wang replicated the conditions of electrostatic discharge that can be induced by Martian dust storms to develop a deep understanding of surface-atmosphere chemical interaction. (scitechdaily.com)
  • Subject content includes: Physical Hydrogeology, Chemical Hydrogeology, Field Study/Methods and Management and Assessment. (edu.au)
  • Course content includes: Physical Hydrogeology, Chemical Hydrogeology, Field Study/Methods and Management and Assessment. (edu.au)
  • Week 3: Orbital forcing of climate during the Quaternary, and links with human evolution. (aber.ac.uk)
  • Studying rings with higher symmetry, we note exceptionally large orbital contributions to the effective g-factor (up to 300), which are many times higher than those previously reported. (lu.se)
  • These unique and powerful experiments will provide previously hidden governing factors for the structural evolution of chromophores and the emission outcomes in emerging GFP-related biosensors, and can be extended to other photosensitive systems. (oregonstate.edu)
  • The observed number of relic candidates found in the nearby Universe is today pretty uncertain (with uncertainties up to a factor of ~100) preventing to establish a firm conclusion about the goodness of current theoretical expectations to predict such important number. (iac.es)
  • More experimental data are required (from unpublished data or new experiments) to get insight into the reliability of RtR extrapolation and the possibility to derive an assessment factor to account for the uncertainties. (cdc.gov)
  • The evolution of organisms with mineralized skeletons, such as this fossil trilobite, had a huge impact on the types of rocks and minerals formed at the Earth's surface. (astronomy.com)
  • Mineral evolution is obviously different from Darwinian evolution - minerals don't mutate, reproduce or compete like living organisms. (astronomy.com)
  • In the oceans, the evolution of organisms with shells and mineralized skeletons generated thick layered deposits of minerals such as calcite, which would be rare on a lifeless planet. (astronomy.com)
  • In a paper published in Chemical Communications on June 23, researchers explain a process for improving the way the copper nanocubes convert carbon dioxide, by improving their selectivity. (hiroshima-u.ac.jp)
  • A team of researchers led by Dr. Cristian Bellodi recently discovered a hardwired genetic control mechanism modulating individual spliceosomal components, known as splicing factors, in cells harboring oncogenic lesions common in human cancers. (lu.se)
  • However, little is known about the contribution of the non-mutated splicing factors in tumor evolution," explain the researchers. (lu.se)
  • Published by American Chemical Society. (lu.se)
  • The model is used to test the response of the predicted metal content and abundance evolution of the ICM to varying input galactic models. (aanda.org)
  • Agrochemistry, which solves farming issues in a chemical manner, is the core engine that drives the evolution of modern agriculture. (ucd.ie)
  • e.g. inflammation, genotoxicity, and This chapter focuses on issues as- ellers, growth factors, growth factor epigenetic alterations) and can have sociated with the understanding and receptors, signal transducers, and both genetic and epigenetic origins. (who.int)
  • The evolution of worker well-being and work-life issues. (cdc.gov)
  • Currently, copper nanocubes are not widely adopted as a method for carbon dioxide reduction because they are unstable and do not have the level of selectivity needed to effectively recycle the carbon dioxide into other chemical products. (hiroshima-u.ac.jp)
  • Artists and craftsmen use specific chemicals to induce controlled patina effects on metals like copper, brass, or steel. (savedelete.com)
  • I once attended a metalworking workshop and witnessed a craftsman apply chemicals to a copper sheet, revealing the stunning hues of green and blue that emerged. (savedelete.com)
  • The Evolution of Life -- Mechanism and Teleology', Chapter 1 in Creative Evolution , translated by Arthur Mitchell, Ph.D. New York: Henry Holt and Company (1911): 1 - 97. (brocku.ca)
  • Understand Cannabis as a diversifying plant, including the taxonomic confusion, human influence, and natural evolution. (uvm.edu)
  • The main objective of the IPCS is to carry out and disseminate evaluations of the effects of chemicals on human health and the quality of the environment. (inchem.org)
  • Here, the oxygen evolution reaction (OER) has broad applications in electrochemical devices, but it often requires expensive and scarce Ir-based catalysts in acid electrolyte. (osti.gov)
  • This enzyme participates in a chemical reaction that converts oxygen to a toxic molecule called superoxide. (medlineplus.gov)
  • The initial segments of the report will be focused on the history of iron and steel and the evolution of advanced-generation steel, along with the factors responsible for the growth of advanced high strength steel. (researchandmarkets.com)
  • Of special note are 2 chapters that are often missing in traditional medical microbiology books: 1 describes how long-term experimental evolutionary studies in the laboratory can contribute to our understanding of microbial pathogen evolution in the environment and clinics, and the other describes how gene inactivation and gene loss can be creative forces during the evolution of many microorganisms, especially obligate intracellular pathogens. (cdc.gov)
  • In the second section, the 5 chapters review how interactions between microbes and various natural biotic and abiotic factors can influence the origin and evolution of virulence in microbial pathogens. (cdc.gov)
  • Students in Cannabis Plant Biology will also learn about the acute and chronic effects of psilocybin, factors that influence psilocybin pharmacology, and more. (uvm.edu)
  • The factors that influence attachment include temperature, pH and nutrient concentration [8]. (who.int)
  • This chapter introduces and describes the precursors to, and evolution of, research and applications to enhance worker well-being and work-life satisfaction. (cdc.gov)
  • The jacket of a recent republication of this book described it as 'the fullest expression of the philosopher's ideas about the problem of existence, propounding a theory of evolution completely distinct from those of earlier thinkers and scientists. (brocku.ca)
  • Coal Geology provides a complete integrated handbook on coal and all its properties, covering the physical and chemical properties of coal as well as coal petrology. (nhbs.com)
  • The NCF2 gene provides instructions for making a protein called neutrophil cytosolic factor 2 (also known as p67-phox). (medlineplus.gov)
  • These changes are thought to result in the production of a neutrophil cytosolic factor 2 protein with an altered function that impairs the function of NADPH oxidase. (medlineplus.gov)
  • Driven by complex diseases necessitating advanced drug delivery systems and the rising global population, the pharmaceutical cartridges segment is witnessing marked evolution. (reportlinker.com)
  • This book is one of the first to provide an up-to-date view on a fundamental issue in medical microbiology research: how the accumulated genetic and genomic information is contributing to our understanding of virulence factors and the evolution of virulence in microbial pathogens. (cdc.gov)
  • Evidence for adaptive evolution in the receptor-binding domain of seasonal coronaviruses OC43 and 229E. (cdc.gov)
  • Promising directions for future research include elucidating relevant pathways, reconciling the largely inconsistent estimated effects of nutrition and education, and exploring the roles of preconceptional and lifetime health care, paternal factors, social support, housing, complementarity and substitutability of inputs, factors that modify effects of inputs, and evolving medical technologies. (repec.org)
  • Evolution of the Infant Health Production Function ," NBER Working Papers 24131, National Bureau of Economic Research, Inc. (repec.org)
  • Evolution of the Infant Health Production Function ," Working Papers id:12331, eSocialSciences. (repec.org)
  • The 14 chapters are grouped into 3 broad sections: general concepts in microbial evolution, environment and the evolution of microbial pathogens, and the evolution of selected pathogenic species and mechanisms. (cdc.gov)
  • Chem Soc Rev (Chemical Society Reviews) is the Royal Society of Chemistry's leading reviews journal, publishing high-impact, succinct and reader-friendly articles at the forefront of the chemical sciences. (ucd.ie)
  • Evolution of the Infant Health Production Function ," Southern Economic Journal , John Wiley & Sons, vol. 85(1), pages 6-47, July. (repec.org)