Results 11 to 20 of about 10,165 (196)

Evaluation of Different Methods to Estimate the Transfer of Immunity in Donkey Foals Fed with Colostrum of Good IgG Quality: A Preliminary Study

Animals, 2021
The aims of the present study were to evaluate the correlation between IgG Serum Radial Immunodiffusion (SRID), Electrophoresis Gamma Globulins (EGG), Electrophoresis Total Protein (ETP) and the serum total protein (TP) analyzed by refractometry and by a
Luca Turini, Francesca Bonelli, Irene Nocera, Valentina Meucci, Giuseppe Conte, Micaela Sgorbini   +5 more
doaj   +1 more source

Effect of sintering temperature on translucency parameter of zirconia blocks

Dental Research Journal, 2022
Background: The main drawbacks of zirconia are its high refractive index and opacity. This study aimed to assess the effect of sintering temperature on the translucency of Ivoclar e.
Fariborz Vafaei, Armaghan Shahbazi, Amirarsalan Hooshyarfard, Amir Hosein Najafi, Maziar Ebrahimi, Maryam Farhadian   +5 more
doaj   +1 more source

Serial Measurements of Refractive Index, Glucose and Protein to Assess Gastric Liquid Nutrient Transport—A Proof-of-Principal Study

Frontiers in Nutrition, 2022
Delayed gastric emptying contributes to complications as aspiration or malnutrition. Among patients suffering from acute neurological diseases, motility disorders are prevalent but poorly understood. Thus, methods to measure gastric emptying are required
Matthias Wittstock, Matthias Kästner, Stephan Kolbaske, Tina Sellmann, Katrin Porath, Robert Patejdl   +5 more
doaj   +1 more source

Enhancing the Performance of the Photonic Integrated Sensing System by Applying Frequency Interrogation

Nanomaterials, 2023
Lab-on-a-chip systems are currently one of the most promising areas in the development of ultra-compact sensor systems, used primarily for gas and liquid analysis to determine the concentration of impurities.
Grigory S. Voronkov, Yana V. Aleksakina, Vladislav V. Ivanov, Aida G. Zakoyan, Ivan V. Stepanov, Elizaveta P. Grakhova, Muhammad A. Butt, Ruslan V. Kutluyarov   +7 more
doaj   +1 more source

Invited review: The importance of colostrum in the newborn dairy calf

Journal of Dairy Science, 2022
: It is critical that bovine maternal colostrum is fed to newborn calves during their first hours of life. Colostrum is the secretion a cow produces after mammary involution that is rich in various nutrients.
A.J. Lopez, A.J. Heinrichs
doaj   +1 more source

Prediction of Ethanol Content and Total Extract Using Densimetry and Refractometry

Beverages, 2023
This study investigated the interrelationships between the parameters of density, optical refraction, the volume fraction of ethanol and the total extract, using model solutions and samples of wine materials.
Yurij Plugatar, Joel B. Johnson, Ruslan Timofeev, Vadim Korzin, Anatoliy Kazak, Dmitry Nekhaychuk, Elvira Borisova, Gennady Rotanov   +7 more
doaj   +1 more source

Comparison between refraction measured by Spot Vision ScreeningTM and subjective clinical refractometry

Clinics, 2016
OBJECTIVE: The purpose of this study was to evaluate the accuracy of Spot Vision ScreeningTM as an autorefractor by comparing refraction measurements to subjective clinical refractometry results in children and adult patients.
Daniela Lima de Jesus, Flávio Fernandes Villela, Luis Fernando Orlandin, Fernando Naves Eiji, Daniel Oliveira Dantas, Milton Ruiz Alves   +5 more
doaj   +1 more source

Design and Modeling of a Fully Integrated Microring-Based Photonic Sensing System for Liquid Refractometry

Sensors, 2022
The design of a refractometric sensing system for liquids analysis with a sensor and the scheme for its intensity interrogation combined on a single photonic integrated circuit (PIC) is proposed.
Grigory Voronkov, Aida Zakoyan, Vladislav Ivanov, Dmitry Iraev, Ivan Stepanov, Roman Yuldashev, Elizaveta Grakhova, Vladimir Lyubopytov, Oleg Morozov, Ruslan Kutluyarov   +9 more
doaj   +1 more source

Sensing element for the formation fluid refractometer on the basis of total internal reflection [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2021
When developing oil fields, there is an urgent task to quickly determine the type of pumped formation fluid, which includes formation gas, formation oil and formation water.
Alexandra S. Bobe, Anna O. Voznesenskaya, Aleksey V. Bakholdin, Vladimir E. Strigalev, Vladimir N. Vasilev   +4 more
doaj   +1 more source

(Near) Real-Time Snow Water Equivalent Observation Using GNSS Refractometry and RTKLIB

Sensors, 2022
Global navigation satellite system (GNSS) refractometry enables automated and continuous in situ snow water equivalent (SWE) observations. Such accurate and reliable in situ data are needed for calibration and validation of remote sensing data and could ...
Ladina Steiner, Géraldine Studemann, David Eugen Grimm, Christoph Marty, Silvan Leinss   +4 more
doaj   +1 more source