نتایج جستجو برای: infrared reflectance spectroscopy nirs

تعداد نتایج: 256033  

2017
Ho-Sun Lee Young-Ah Jeon Young-Yi Lee Gi-An Lee Sebastin Raveendar Kyung Ho Ma

Near infrared reflectance spectroscopy (NIRS), a non-destructive and rapid analytical method, was used to examine the possibility of replacing a method for the large-scale screening of tomato seed viability. A total of 368 tomato seed samples were used for development and validation of an NIRS calibration model. The accelerating aging method (98 ± 2% R.H., 40 ◦C) was employed for preparation of...

Journal: :Revista brasileira de anestesiologia 2018
Cenk Şahan Zerrin Sungur Emre Çamcı Nükhet Sivrikoz Ömer Sayin Hakan Gurvit Mert Şentürk

BACKGROUND AND OBJECTIVES Postoperative cognitive dysfunction is common after cardiac surgery. Adequate cerebral perfusion is essential and near infrared spectroscopy (NIRS) can measure cerebral oxygenation. Aim of this study is to compare incidence of early and late postoperative cognitive dysfunction in elderly patients treated with conventional or near infrared spectroscopy monitoring. MET...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2011
Yoko Hoshi

Although near-infrared spectroscopy (NIRS) was originally designed for clinical monitoring of tissue oxygenation, it has also been developing into a useful tool for neuroimaging studies (functional NIRS). Over the past 30 years, technology has developed and NIRS has found a wide range of applications. However, the accuracy and reliability of NIRS have not yet been widely accepted, mainly becaus...

Journal: :Journal of dairy science 2006
R L Mentink P C Hoffman L M Bauman

Total mixed ration (TMR) samples (n = 110) were analyzed for dry matter (DM), crude protein (CP), soluble CP, neutral detergent fiber (NDF), NDF CP, starch, ash, fat, total ethanol-soluble carbohydrate, and nonfiber carbohydrate (NFC). Rapidly and slowly degraded and undegraded in situ CP fractions and in vitro DM, organic matter, and NDF digestibility were determined on each TMR. The TMR were ...

Journal: :Poultry science 2004
Y Liu B G Lyon W R Windham C E Lyon E M Savage

The feasibility of predicting pH, color, shear force, and sensory characteristics of chicken breasts deboned at 2, 4, 6, and 24 h postmortem by visible/near infrared reflectance spectroscopy (NIRS) in the 400 to 1850 nm region was determined. Prediction of physical attributes of Commission Internationale de l'Eclairage (CIE) color values (L*, a*, and b*), pH, and shear force had better accuraci...

2010
Kyra B. Hay Kimberley A. Millers Alistair G. B. Poore Catherine E. Lovelock

Measuring qualitative traits of plant tissue is important to understand how plants respond to environmental change and biotic interactions. Near infrared reflectance spectrometry (NIRS) is a cost-, time-, and sample-effective method of measuring chemical components in organic samples commonly used in the agricultural and pharmaceutical industries. To assess the applicability of NIRS to measure ...

Journal: :Journal of animal science 2011
A Cecchinato M De Marchi M Penasa A Albera G Bittante

The aims of this study were 1) to investigate the potential application of near-infrared spectroscopy (NIRS) to predict beef quality (BQ) traits, 2) to assess genetic variations of BQ measures and their predictions obtained by NIRS, and 3) to infer the genetic relationship between measures of BQ and their predictions. Young Piedmontese bulls (n = 1,230) were raised and fattened on 124 farms and...

Journal: :Neurophotonics 2016
Anish N Sen Shankar P Gopinath Claudia S Robertson

Near-infrared spectroscopy (NIRS) is a technique by which the interaction between light in the near-infrared spectrum and matter can be quantitatively measured to provide information about the particular chromophore. Study into the clinical application of NIRS for traumatic brain injury (TBI) began in the 1990s with early reports of the ability to detect intracranial hematomas using NIRS. We hi...

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