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Monday, August 10, 2020 | History

2 edition of Studies on the biological effects of gaseous ions found in the catalog.

Studies on the biological effects of gaseous ions

Albert P. Krueger

Studies on the biological effects of gaseous ions

a review

by Albert P. Krueger

  • 330 Want to read
  • 23 Currently reading

Published in Leiden .
Written in English

    Subjects:
  • Medical climatology.,
  • Biophysics.,
  • Ions.

  • Edition Notes

    Bibliography: p. 9-11.

    Other titlesBiological effects of gaseous ions.
    Statementby Albert P. Krueger, Sadao Kotaka, and Paul C. Andriese.
    SeriesBiometeorological Research Centre. Special monograph series,, v. 1, Special monograph series (Biometeorological Research Centre) ;, v. 1.
    ContributionsKotaka, Sadao, 1933- joint author., Andriese, Paul C., joint author.
    Classifications
    LC ClassificationsQP82 .B5 vol. 1
    The Physical Object
    Pagination14 p.
    Number of Pages14
    ID Numbers
    Open LibraryOL5412930M
    LC Control Number73004141

    Explore the latest full-text research PDFs, articles, conference papers, preprints and more on BIOLOGICAL DATABASES. Find methods information, sources, references or conduct a . A biological effect occurs when a change can be measured in a biological system after the introduction of some type of stimuli. However, the observation of a biological effect, in and of itself, does not necessarily suggest the existence of a biological hazard or health effect. A biological effect only becomes a safety hazard when it “causes.

    Effects of Ion/Ion Proton Transfer Reactions on Conformation of Gas-Phase Cytochrome c Ions Qin Zhao, aGregg M. Schieffer, Matthew W. Soyk,a,† Timothy J. Anderson,a R. S. Houk,a,b and Ethan R. Badmana,b,* a Department of Chemistry, Iowa State University, Ames, Iowa, USA b Ames Laboratory U.S. Department of Energy, Iowa State University, Ames, Iowa, USA. Figure The mass spectrometer, Electrons emitted by an ionizing source bombard gas molecules and produce positive ions. These ions are accelerated by an electric field. and they are then passed through collimating slits (5 1 and 5 2), which direct the ions into parallel beams are bent in an electric field. resulting in diverging beams of ions moving with different speeds.

    The intrinsic chemical reactivities of ions can be monitored in the gas phase using mass spectrometers that are coupled to appropriate ion sources and reaction cells. Here the author surveys his own experiences over the past 40 years as an ion chemist. Answer of Calculate the number of unpaired electrons in the following gaseous ions; Mn3+, Cr3+, V3+ and Ti3+.Which one of these is the most stable in.


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Studies on the biological effects of gaseous ions by Albert P. Krueger Download PDF EPUB FB2

Studies on the Effects of Gaseous Ions on Plant Growth. The construction and operation of an air purification unit for use in studies on the biological effects of gaseous ions. Albert P.

Krueger, J. Beckett, Paul C. Andriese, Sadao Kotaka, and with the technical assistance of Eddie J. by: The release of copper ions in biological media was observed for both, modified and unmodified Cu 2 O NPs Abstract In response to the rapid development of nanomaterials in the biomedical field, especially in advanced cancer therapy, more comprehensive studies regarding the safety of nanomaterials are continuously required.

The construction and operation of an air purification unit for use in studies on the biological effects of gaseous ions. KRUEGER AP, BECKETT JC, ANDRIESE PC, KOTAKA S. Air pollutants seriously interfere with the maintenance of unipolar ionized atmospheres required in experimenting with the biological effects of gaseous by: Environmental air ion concentration levels and balance can affect a wide range of biological organisms, including humans.

Elevated negative air ion levels are believed to have beneficial effects on humans including enhanced feeling of relaxation, reduced tiredness, stress. Recent Advances: The development of high-throughput “omics” technologies for mapping DNA and protein modifications have revolutionized the study of IR effects on biological systems.

Studies in cells, tissues, and biological fluids are used to identify molecular features or biomarkers of IR exposure and response and the molecular mechanisms Cited by:   Effects of neutral active species cannot be ignored. Neutrals by themselves, given enough time, are able to sterilize as well as direct plasma treatment and they are also responsible for many interesting biological effects; e.g.

effect of NO in tissue regeneration [1, 10, 27]. It is important to note here that the effect of plasma is on. A large body of literature exists on the response of tissues to electromagnetic fields, primarily in the extremely-low-frequency (ELF) and microwave-frequency ranges.

In general, the reported effects of radiofrequency (RF) radiation on tissue and organ systems have been attributed to thermal interactions, although the existence of nonthermal effects at low field intensities is still a subject. Chiral molecules and their interactions are critical in a variety of chemical and biological processes.

Circular dichroism (CD) is the most widely used optical technique to study chirality, often. Recent Advances in Polymeric Nanoparticle-Encapsulated Drugs against Intracellular Infections. Journals. Information. Abstract. We begin this introduction to the structural and molecular biology of living systems with a consideration of the polar nature of the universal solvent for living organisms, water, and what we call the hydrophobic effect, a major driving force in determining the global structures of biological constructs such as proteins, nucleic acids and biomembranes.

The photoelectric effect may contribute less to the negative ion generation as they come from lightning. However, ultraviolet-mediated ionization is the dominant source of negative ions in the.

Molecular hydrogen research before Even before the publication by Ohsawa and colleagues in [], biological effects of molecular hydrogen had been investigated in a small scale, as shown and colleagues first reported the hydrogen effect in Science in [].They placed nude mice carrying squamous cell carcinoma in a chamber with % oxygen and % hydrogen.

Bioelectromagnetics, also known as bioelectromagnetism, is the study of the interaction between electromagnetic fields and biological entities. Areas of study include electromagnetic fields produced by living cells, tissues or organisms, the effects of man-made sources of electromagnetic fields like mobile phones, and the application of electromagnetic radiation toward therapies for the.

Barton, in Encyclopedia of Toxicology (Third Edition), In Vitro Toxicity Data. All known pharmacological effects of EDTA result From formation of chelates with divalent and trivalent metal ions in the body.

Also, the effects on rat liver glucocorticoid receptor in vitro have been studied. At 41 °C, 10 mmol EDTA had a stabilizing effect on unbound hepatic glucocorticoid receptors.

Ion suppression in LC-MS and LC-MS/MS refers to reduced detector response, or signal:noise as a manifested effect of competition for ionisation efficiency in the ionisation source, between the analyte(s) of interest and other endogenous or exogenous (e.g.

plasticisers extracted from plastic tubes, mobile phase additives) species which have not been removed from the sample matrix during sample.

It is widely accepted that many constant elements and trace elements in the form of ions (known as bioactive ions) have specific biological functions in tissue metabolism. For example, many bioactive ions have fundamental effects on regulating cellular functions in bone formation, such as Mn, Ca, Zn, Sr, Si ions, etc.

Complexation studies of ions with macrocycles are well documented in the literature. Some representative trends in these studies would include the following: taking into account the existence of hydrogen-bonded water molecules [ Hill & Feller, ; Durand et al., ; Fantoni, ] and sometimes using molecular dynamics and free energy.

Nitric oxide (NO) is a gaseous molecule with autocrine and paracrine effects on many cell types. NO is synthesized from the amino acid l -arginine by NO synthase (NOS) and is involved in a myriad of cellular functions, including muscle relaxation, neuronal signaling, and immune function.

Solvation describes the interaction of solvent with dissolved molecules. Both ionized and uncharged molecules interact strongly with solvent, and the strength and nature of this interaction influence many properties of the solute, including solubility, reactivity, and color, as well as influencing the properties of the solvent such as the viscosity and density.

Biological activity of ILs was shown to depend on their hydration state, and a threshold hydration number was established. About seven water molecules per ion pair were suggested to be the boundary at which biological effects of IL–water mixtures changed dramatically, independent of the ion nature.

Chemical analysis of isolated compounds is commonly used to monitor environmental pollution, but such analyses can be limited and expensive and cannot indicate the biological effects. In contrast, biological tests indicate the toxicity of a ride range of compounds or environmental samples, and are therefore essential to determine the.Ionizing radiation (ionising radiation) is radiation, traveling as a particle or electromagnetic wave, that carries sufficient energy to detach electrons from atoms or molecules, thereby ionizing an atom or a molecule.

Ionizing radiation is made up of energetic subatomic particles, ions or atoms moving at high speeds (usually greater than 1% of the speed of light), and electromagnetic waves on.In fact, Columbia University studies of people with winter and chronic depression show that negative ion generators relieve depression as much as antidepressants.

"The best part is that there are.