Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Temperature gradients and prebiological evolution.

F S Gaeta1, U Bencivenga, P Canciglia

  • 1International Institute of Genetics and Biophysics of C.N.R., Naples, Italy.

Cell Biophysics
|April 1, 1987
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Low doses of Bisphenol A have pro-inflammatory and pro-oxidant effects, stimulate lipid peroxidation and increase the cardiotoxicity of Doxorubicin in cardiomyoblasts.

Environmental toxicology and pharmacology·2019
Same author

Morphological and molecular responses in ovaries of Mytilus galloprovincialis collected in two different sites of the Naples Bay.

Journal of experimental zoology. Part A, Ecological and integrative physiology·2018
Same author

Xenobiotic-contaminated diets affect hepatic lipid metabolism: Implications for liver steatosis in Sparus aurata juveniles.

Aquatic toxicology (Amsterdam, Netherlands)·2015
Same author

Enzyme distribution and secondary structure of sol-gel immobilized glucose oxidase by micro-attenuated total reflection FT-IR spectroscopy.

Materials science & engineering. C, Materials for biological applications·2014
Same author

Degradation and toxicity assessment of the nonionic surfactant Triton™ X-45 by the peroxymonosulfate/UV-C process.

Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology·2014
Same author

Alkylphenolic contaminants in the diet: Sparus aurata juveniles hepatic response.

General and comparative endocrinology·2014
Same journal

Engineering recombinant antibodies for immunotherapy.

Cell biophysics·1995
Same journal

Syngeneic anti-idiotypic antibodies eliminate excess radiolabeled idiotypes at experimental radioimmunolocalization.

Cell biophysics·1995
Same journal

Animal models of human-derived cancer vaccines.

Cell biophysics·1995
Same journal

Membrane-bound/soluble IL-2 receptor (IL-2R) and levels of IL-1 alpha, IL-2, and IL-6 in the serum and in the PBMC culture supernatants from 17 patients with hematological malignancies.

Cell biophysics·1995
Same journal

Expression of nm23-H1 gene product in thyroid, ovary, and breast cancers.

Cell biophysics·1995
Same journal

Bacterial expression and refolding of single-chain Fv fragments with C-terminal cysteines.

Cell biophysics·1995
See all related articles

Trace elements like molybdenum and copper concentrate in heated jelly layers, mimicking early life conditions. This study reveals potential physicochemical origins for biological transport pumps and teleonomic behavior in simple prebiological systems.

Area of Science:

  • * Origin of Life research
  • * Prebiotic chemistry and geochemistry
  • * Non-equilibrium thermodynamics

Background:

  • * Trace elements (molybdenum, nickel, copper, vanadium) are vital for life.
  • * Prebiological evolution likely involved temperature gradients and compartmentalization.
  • * Understanding early life's physicochemical basis is crucial.

Purpose of the Study:

  • * Investigate thermodiffusive transport of essential trace elements in a biphasic system.
  • * Mimic early eobiont conditions under temperature gradients.
  • * Assess nonisothermal transport in homogeneous and heterogeneous systems for compartmentalized eobionts.

Main Methods:

  • * Utilized a nonisothermal biphasic system with liquid solution and jelly layers.

Related Experiment Videos

  • * Studied thermodiffusive transport of molybdenum, nickel, copper, and vanadium.
  • * Investigated thermodialysis through artificial membranes to simulate compartmentalized eobionts.

    • Main Results:

    • * All tested trace elements concentrated in heated jelly layers under simulated early eobiont conditions.
    • * Nonisothermal transport phenomena were observed in both homogeneous and heterogeneous systems.
    • * Evidence of sodium/potassium countertransport and teleonomic behavior in simple prebiological analogs.

    Conclusions:

    • * Thermodiffusive transport can concentrate essential elements in early prebiotic environments.
    • * Nonisothermal transport is a continuous phenomenon in both simple and membrane-bound systems.
    • * Physicochemical processes may underpin fundamental biological functions like the sodium-potassium pump and teleonomy.