Results 1 to 10 of about 973,817 (343)

Near-Infrared Spectroscopy in Bio-Applications [PDF]

Molecules, 2020
Near-infrared (NIR) spectroscopy occupies a specific spot across the field of bioscience and related disciplines. Its characteristics and application potential differs from infrared (IR) or Raman spectroscopy.
Krzysztof B. Beć, Justyna Grabska, Christian W. Huck   +2 more
doaj   +4 more sources

Near-infrared spectroscopy [PDF]

Journal of Neuroanaesthesiology and Critical Care, 2015
Tissue ischaemia can be a significant contributor to increased morbidity and mortality. Conventional oxygenation monitoring modalities measure systemic oxygenation, but regional tissue oxygenation is not monitored.
Virendra Jain, Hari H Dash
doaj   +5 more sources

Near-Infrared Spectroscopy [PDF]

, 2012
Near infrared spectroscopy (NIRS) is an imaging technique used in both clinical and emergency medicine, as well as in research laboratories to quantify and measure the oxygenation status of human tissue non-invasively. This is done by monitoring in vivo changes of the oxygen saturation of hemoglobin molecules in the body, based on the absorbance of ...
Akke Bakker, Brianne Smith, Kurt Smith, Philip Ainslie   +3 more
core   +5 more sources

Breakthrough Potential in Near-Infrared Spectroscopy: Spectra Simulation. A Review of Recent Developments

Frontiers in Chemistry, 2019
Near-infrared (12,500–4,000 cm−1; 800–2,500 nm) spectroscopy is the hallmark for one of the most rapidly advancing analytical techniques over the last few decades.
Krzysztof B. Beć, Christian W. Huck
doaj   +2 more sources

Near-infrared spectroscopy in NGC 7538 [PDF]

Astronomy and Astrophysics, 2010
The characterisation of the stellar population toward young high-mass star-forming regions allows to constrain fundamental cluster properties like distance and age.
A. Bik, A. Herrero, A. Lenorzer, A. Marín-Franch, Acosta Pulido, Balog, Benjamin, Bik, Bik, Blitz, Bloomer, Campbell, Clark, Cohen, D. Figer, Da Rio, Davies, Davis, E. Puga, F. Najarro, Fitzpatrick, Geballe, Greene, Greene, Hamann, Hanson, Hanson, Hernández, Israel, J. A. Acosta Pulido, Kenyon, Knödlseder, Kraus, L. A. Chavarría, Martins, Martins, Marín-Franch, McCaughrean, Messineo, Meyer, Moreno, Moscadelli, Ojha, Pestalozzi, Pestalozzi, Puga, Rieke, Russeil, S. Ramírez Alegría, Schaerer, Scoville, Sewilo, Winston   +52 more
core   +4 more sources

Near-infrared spectroscopy procedure for online determination of sodium and potassium content in low-salt cured hams [PDF]

, 2023
Producción CientíficaThis paper reports the development of a near-infrared spectroscopy (NIRS) calibration procedure for the determination of sodium and potassium content in cured ham samples.
Campos Labadíe, María isabel, Debán Miguel, Luis, Pardo Almudí, Rafael   +2 more
core   +1 more source

A Systematic Review of the Impact of Physical Exercise-Induced Increased Resting Cerebral Blood Flow on Cognitive Functions

Frontiers in Aging Neuroscience, 2022
Brain perfusion declines with aging. Physical exercise represents a low-cost accessible form of intervention to increase cerebral blood flow; however, it remains unclear if exercise-induced amelioration of brain perfusion has any impact on cognition.
Maria B. Renke, Maria B. Renke, Anna B. Marcinkowska, Anna B. Marcinkowska, Sylwester Kujach, Sylwester Kujach, Paweł J. Winklewski, Paweł J. Winklewski   +7 more
doaj   +1 more source

A Review of Machine Learning for Near-Infrared Spectroscopy

Italian National Conference on Sensors, 2022
The analysis of infrared spectroscopy of substances is a non-invasive measurement technique that can be used in analytics. Although the main objective of this study is to provide a review of machine learning (ML) algorithms that have been reported for ...
Wenwen Zhang, L. L. C. Kasun, Qi-Jie Wang, Yuanjin Zheng, Zhiping Lin   +4 more
semanticscholar   +1 more source

Near infrared spectroscopy [PDF]

Anaesthesia, 1996
NIRS is an attractive monitoring technology because it is a noninvasive, real-time, repeatable method that allows for regional assessment of the adequacy of tissue oxygenation. It is able to evaluate the oxygenation state of hemoglobin in tissue and redox state of cyt a1,a3, which reflects the overall activity of oxidative metabolism in the cells.
L. A. Duncan, J.A.W. Wildsmith, C. V. Ruckley   +2 more
openaire   +5 more sources

Near infrared spectroscopy [PDF]

Anaesthesia, 1994
The near-infrared portion of the electromagnetic spectrum is located between the visible and mid-range infrared (MIR) sections, roughly 750–2500 nm or 13,333–4000 cm 1 (see Fig. 6.1). It consists (mainly) of overtones and combinations of the bands found in the mid-range infrared region (4000–200 cm ).
I.M. Williams, A.J. Mortimer, Charles McCollum, A.J. Picton   +3 more
  +7 more sources