Results 1 to 10 of about 3,440 (163)
Validation of a handheld refractometer to assess Merino ewe colostrum and transition milk quality
Journal of Dairy Science, 2023 : Colostrum quality is generally defined by the IgG concentration in colostrum, and many methods have been used to assess it. Methods to measure colostrum quality both in the laboratory and in the field have been validated in cattle; however, this is ...
Bianca Agenbag +2 more
exaly +3 more sources
Optofluidic Lens Refractometer
MicromachinesIn the face of increasingly severe global environmental challenges, the development of low-cost, high-precision, and easily integrable environmental monitoring sensors is of paramount importance.
Yifan Zhang +7 more
doaj +3 more sources
Sensors, 2016 Atomic layer deposition (ALD) technology is introduced to fabricate a high sensitivity refractometer based on an adiabatic tapered optical fiber. Different thicknesses of titanium dioxide (TiO2) nanofilm were coated around the tapered fiber precisely and
Fufei Pang, Sujuan Huang, Fang Zou
exaly +3 more sources
Use of clinic refractometer at farm as a tool to estimate the IgG content in goat colostrum
Journal of Applied Animal Research, 2018 Refractometry has been proposed as a farm technique to estimate the IgG concentration in colostrum. In order to validate the method in goat colostrum using a clinical refractometer, 216 colostrum and milk samples were obtained from 54 dairy goats ...
N Castro +2 more
exaly +2 more sources
Determining Immunoglobulin Content of Bovine Colostrum and Factors Affecting the Outcome: A Review
Animals, 2021 The immunoglobulin concentration in bovine colostrum should be measured to ensure feeding with sufficient immunoglobulins (≥50 mg immunoglobulin G mL−1).
Johanna Ahmann +2 more
doaj +1 more source
Tropical Animal Science Journal, 2021 The objectives of the present study were to examine the association between the brix refractometer% and ELISA assays in the assessment of colostrum-IgG content and in studying the factors affecting this content.
N. H. Fahim, T. A. Imbabi
doaj +1 more source
Laboratory Equipment Type Fiber Optic Refractometer
Radioengineering, 2002 Using fiber optics and micro optics technologies we designed aninnovative fiber optic index of refraction transducer that has uniqueproperties. On the base of this transducer a laboratory equipment typefiber optic refractometer was developed for liquid ...
E. F. Carome +3 more
doaj +1 more source
Ultra-Long Range Refractive Index Fiber Sensor
Frontiers in Sensors, 2022 The dynamic range of optical fiber refractive index sensors is mainly determined by the refractive index (RI) of the sensor surface in contact with the sample under test.
Carmen E. Domínguez-Flores +5 more
doaj +1 more source
Optofluidics Refractometers [PDF]
Micromachines, 2018 Refractometry is a classic analytical method in analytical chemistry and biosensing. By integrating advanced micro- and nano-optical systems with well-developed microfluidics technology, optofluidics are shown to be a powerful, smart and universal platform for refractive index sensing applications.
Cheng Li +4 more
openaire +3 more sources
Evaluation of Factors Affecting Colostrum Quality and Quantity in Holstein Dairy Cattle
Animals, 2021 The objective of this study was to conduct a large-scale investigation of colostrum composition and yield and an evaluation of factors affecting them. In this study, 1017 clinically healthy Holstein cows from 10 farms were used.
Aikaterini Soufleri +6 more
doaj +1 more source