Results 31 to 40 of about 2,161,882 (320)

Supernovae and their scientific secrets

open access: yesHe jishu, 2023
Supernovae are the most gorgeous fireworks that people can observe in the universe. Their explosion can produce a maximum luminosity 10 billion times that of the Sun, helping scientists see farther.
LI Zhihong   +8 more
doaj   +1 more source

Why we are made of proteins and nucleic acids: Structural biology views on extraterrestrial life

open access: yesBiophysics and Physicobiology, 2023
Is it a miracle that life exists on the Earth, or is it a common phenomenon in the universe? If extraterrestrial organisms exist, what are they like?
Shunsuke Tagami
doaj   +1 more source

Effect of Processing Treatment and Modified Atmosphere Packing on Carrot’s Microbial Community Structure by Illumina MiSeq Sequencing

open access: yesMolecules, 2022
The aim of this study was to analyze the microbiome of carrot (Daucus carota subsp. sativus) subjected to minimal pre-treatment (rinsing in organic acid solution) and packaging in a high-oxygen modified atmosphere, and then stored for 17 days under ...
Katarzyna Ratajczak   +5 more
doaj   +1 more source

Snail eggs as a raw material for the production of a caviar substitute

open access: yesJournal of Veterinary Research, 2020
Snail eggs can be the raw material for the production of a caviar substitute. The substitute varies from the original in caloric value and nutrient content which determine the nutritional value of every foodstuff. The present study aimed to determine and
Maćkowiak-Dryka Monika   +2 more
doaj   +1 more source

Antimicrobial Food Packaging with Biodegradable Polymers and Bacteriocins

open access: yesMolecules, 2021
Innovations in food and drink packaging result mainly from the needs and requirements of consumers, which are influenced by changing global trends. Antimicrobial and active packaging are at the forefront of current research and development for food ...
Małgorzata Gumienna, Barbara Górna
doaj   +1 more source

The origin of life as a planetary phenomenon

open access: yesScience Advances, 2020
Comparative planetary evolution for Earth, Mars, and exoplanets holds the key to uncovering the chemistry-to-life transition. We advocate an integrative approach between laboratory experiments in prebiotic chemistry and geologic, geochemical, and ...
D. Sasselov   +2 more
semanticscholar   +1 more source

The effect of cranberry juice and a cranberry functional beverage on the growth and metabolic activity of selected oral bacteria

open access: yesBMC Oral Health, 2021
Background The oral microbiota is a significant risk indicator for oral diseases, such as dental caries and periodontal inflammation. Much attention is presently paid to the development of functional foods (e.g.
Paulina M. Nowaczyk   +5 more
doaj   +1 more source

Quantum Criticality at the Origin of Life [PDF]

open access: yes, 2015
Why life persists at the edge of chaos is a question at the very heart of evolution. Here we show that molecules taking part in biochemical processes from small molecules to proteins are critical quantum mechanically.
Csabai, Istvan   +4 more
core   +3 more sources

On the origin of species by means of natural selection: Or the preservation of the favoured races in the struggle for life.

open access: yes, 2019
Charles Darwin's seminal formulation of the theory of evolution, "On the Origin of Species" continues to be as controversial today as when it was first published.
C. Darwin
semanticscholar   +1 more source

The Content of Selected Minerals, Bioactive Compounds, and the Antioxidant Properties of the Flowers and Fruit of Selected Cultivars and Wildly Growing Plants of Sambucus nigra L.

open access: yesMolecules, 2020
This study compared the mineral content and bioactive properties of flowers and fruit coming from wild elderberry plants with those of flowers and fruit harvested from elderberry cultivars grown in an orchard.
Karolina Młynarczyk   +4 more
doaj   +1 more source

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