Results 21 to 30 of about 1,049,966 (302)

Indoor acids and bases. [PDF]

open access: yes, 2020
Numerous acids and bases influence indoor air quality. The most abundant of these species are CO2 (acidic) and NH3 (basic), both emitted by building occupants. Other prominent inorganic acids are HNO3 , HONO, SO2 , H2 SO4 , HCl, and HOCl.
Nazaroff, William W, Weschler, Charles J
core   +1 more source

Potentials to differentiate milk composition by different feeding strategies [PDF]

open access: yes, 2009
To investigate the effect of the dietary intake of the cow on milk composition, bulk-tank milk was collected on 5 occasions from conventional (n = 15) and organic (n = 10) farms in Denmark and on 4 occasions from low-input nonorganic farms in the United ...
Butler, G.   +5 more
core   +1 more source

Exploring RNA modifications in infectious non-coding circular RNAs

open access: yesRNA Biology
Viroids, small circular non-coding RNAs, act as infectious pathogens in higher plants, demonstrating high stability despite consisting solely of naked RNA.
Pavel Vopalensky   +8 more
doaj   +1 more source

The role of different natural organic acids in postharvest fruit quality management and its mechanism

open access: yesFood Frontiers, 2023
Fresh fruits have good flavor and high nutritional value, but in the postharvest stage they will age and decay rapidly, so we need to find green postharvest fruit preservatives.
Wanli Zhang   +2 more
doaj   +1 more source

Real-time measurements of gas-phase organic acids using SF6 chemical ionization mass spectrometry [PDF]

open access: yesAtmospheric Measurement Techniques, 2018
The sources and atmospheric chemistry of gas-phase organic acids are currently poorly understood, due in part to the limited range of measurement techniques available.
T. Nah   +10 more
doaj   +1 more source

Nutraceutical profiles of apricots (Prunus armeniaca L.) as a source of fruit quality traits for breeding

open access: yesSpanish Journal of Agricultural Research, 2021
Aim of study: In a social context of increasing concern about healthy diets, the development of new varieties with enhanced content in nutraceutical compounds is an important objective of the fruit breeding programs currently developed.
Helena Gómez-Martínez   +3 more
doaj   +1 more source

Atomic Structures of Molecules Based on Additivity of Atomic and/or Ionic Radii [PDF]

open access: yes, 2009
The authors have shown in recent years that interatomic and interionic distances are sums of the radii of the adjacent atoms and/or ions. Many examples will be provided and it will be shown how the experimental bond lengths agree with the radii sums. The
Raji Heyrovska, Sara Narayan
core   +2 more sources

Fully Automated Quantitative Measurement of Serum Organic Acids via LC-MS/MS for the Diagnosis of Organic Acidemias: Establishment of an Automation System and a Proof-of-Concept Validation

open access: yesDiagnostics, 2021
Gas chromatography-mass spectrometry has been widely used to analyze hundreds of organic acids in urine to provide a diagnostic basis for organic acidemia.
Yasushi Ueyanagi   +6 more
doaj   +1 more source

Weak Acids Enhance Halogen Activation on Atmospheric Water’s Surfaces [PDF]

open access: yes, 2011
We report that rates of I_2(g) emissions, measured via cavity ring-down spectroscopy, during the heterogeneous ozonation of interfacial iodide: I^–(surface, s) + O_3(g) + H+(s) →→ I_2(g), are enhanced several-fold, whereas those of IO·(g) are unaffected,
Colussi, Agustín J.   +5 more
core   +2 more sources

Plant Organic Acids as Natural Inhibitors of Foodborne Pathogens

open access: yesApplied Sciences
Background: Foodborne infections affect approximately 600 million people annually. Simultaneously, many plants contain substances like organic acids, which have antimicrobial activity. The aim of this study was to examine the effects of 21 organic acids,
Tomasz M. Karpiński, Marcin Ożarowski
doaj   +1 more source

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