Results 11 to 20 of about 4,281,457 (264)

Microfluidic Actuated and Controlled Systems and Application for Lab-on-Chip in Space Life Science

open access: yesSpace: Science & Technology, 2023
The use of space environment to carry out life science research is of great significance. However, there are limitations in complex manipulation, research models based on mammalian and 2-dimensional cell culture experiments, etc.
Yimeng Zhao   +6 more
doaj   +1 more source

HEMOGLOBIN ANALYSIS IN THE FIRST YEAR OF LIFE [PDF]

open access: yesMediterranean Journal of Hematology and Infectious Diseases, 2016
Background and Objectives: In newborns and infants during their first year of life, there is a dynamic change in the fraction of hemoglobin (Hb). To apply Hb analysis as a phenotypic diagnosis of thalassemia in newborns and infants, we need normal values of each Hb fraction for reference.
Wong, Peerapon   +2 more
openaire   +3 more sources

Blue lupine seeds protein content and amino acids composition

open access: yesPlant, Soil and Environment, 2018
Lupine seeds are promising soy replacement in food products and feeds. Eighteen cultivars of blue lupine seeds were examined to indicate the one most favourable in protein content and quality. Two parameters were studied, i.e. total protein content (with
Aneta TOMCZAK   +3 more
doaj   +1 more source

The effect of selected substances on the stability of standard solutions in voltammetric analysis of ascorbic acid in fruit juices

open access: yesOpen Chemistry, 2019
The objective of the study was to identify suitable additives stabilizing standard solutions of ascorbic acid (AA) that would not cause interference in the analytical process with the use of voltammetry in the determination of the AA content in food ...
Kowalski Radosław   +6 more
doaj   +1 more source

Simultaneous Detection of Adenosine Triphosphate and Glucose Based on the Cu-Fenton Reaction

open access: yesSensors, 2018
Both adenosine triphosphate (ATP) and glucose are important to human health, and their abnormal levels are closely related to angiocardiopathy and hypoglycaemia.
Fei Qu   +4 more
doaj   +1 more source

Determination of the content of Pb, Cd, Cu, Zn in dairy products from various regions of Poland

open access: yesOpen Chemistry, 2019
The toxicity of heavy metals and their capacity for accumulation in the human organism make it necessary to conduct monitoring of their concentration in food.
Sujka Monika   +5 more
doaj   +1 more source

Column chromatography as a method for minor components removal from rapeseed oil

open access: yesGrasas y Aceites, 2019
The purpose of this study was to verify the influence of different chromatographic column beds (silicic acid, activated charcoal, aluminum oxide, silica gel) on the concentration of individual minor components (sterols, tocopherols, carotenoids and ...
E. Rokosik   +4 more
doaj   +1 more source

Transport of environmental natural organic matter coated silver nanoparticle across cell membrane based on membrane etching treatment and inhibitors

open access: yesScientific Reports, 2021
Environmental natural organic matters (NOMs) have great effects on the physicochemical properties of engineering nanoparticles, which may impact the transport of nanoparticles across plasma membrane and the cytotoxicity.
Laijin Zhong   +6 more
doaj   +1 more source

Life-cycle analysis

open access: yes, 2023
Life Cycle Assessment (LCA) is a methodology used to evaluate the environmental impacts of a product or process throughout its entire life cycle, from the extraction of raw materials to the disposal or recycling of the product at the end of its useful life.
Oblaković, Goran   +2 more
  +5 more sources

Discussion on Ultrasonic Inspection Intervals Based on Fatigue Crack Growth Life Analysis of Axle for CRH2A EMU

open access: yes机车电传动, 2020
The ultrasonic inspection interval of different types of vehicle axles and the overview of CRH2A EMU axles was introduced. By comprehensively considering the initial crack, critical crack, stress ratio, fracture toughness and effective stress intensity ...
Menghong YE
doaj  

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