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MeSH Review:

Spectroscopy, Near-Infrared

Sáez, J.C. et al., Lindeman, S.V. et al., Vehrs, P. et al., Hansen, J. et al., Krantz, T. et al., et al.

Boushel, Langberg, Gemmer, Olesen, Crameri, Scheede, Sander, Kjaer, Jørgensen, Airaksinen, Karjalainen, Luukkonen, Rantanen, Yliruusi, Terborg, Schummer, Albrecht, Reinhart, Weiller, Röther, Dani, Bertini, Reali, Tronchin, Wiechmann, Martelli, Rubaltelli, Krantz, Cai, Lauritsen, Warberg, Secher, Sáez, Schell, Tholudur, Farmer, Hamilton, Colucci, McMillan, Shibata, Ohdan, Noriyuki, Yoshioka, Asahara, Dohi, Vehrs, Morrow, Butte, Watanabe, Nagahori, Mayanagi, Kemp, Roberts, Bimson, Bakran, Harris, Gilling-Smith, Brennan, Rankin, Frostick, Higashi, Sone, Ogawa, Kitamura, Saiki, Sagawa, Yanagida, Seiyama, Nagdyman, Fleck, Bitterling, Ewert, Abdul-Khaliq, Stiller, Hübler, Lange, Berger, Schulze-Neick, Quaresima, Sacco, Totaro, Ferrari, Hansen, Sander, Hald, Victor, Thomas,

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Disease relevance of Spectroscopy, Near-Infrared

Respiratory gas analysis, Borg scale recordings of perceived dyspnea and near infrared spectroscopy of an accessory respiratory muscle were obtained during exercise [1].
Transcutaneous glucose measurement using near-infrared spectroscopy during hypoglycemia [2].
A prospective randomized controlled trial was performed to compare the effects of ibuprofen with indomethacin on cerebral hemodynamics measured using near infrared spectroscopy in preterm infants during treatment for patent ductus arteriosus [3].
PURPOSE: We used (31)P magnetic resonance spectroscopy (MRS) and near-infrared spectroscopy (NIRS) as a means of quantifying abnormalities in calf muscle oxygenation and adenosine triphosphate (ATP) turnover in peripheral vascular disease (PVD) [4].
Measuring cerebral oxygenation during normobaric hyperoxia: a comparison of tissue microprobes, near-infrared spectroscopy, and jugular venous oximetry in head injury [5].

High impact information on Spectroscopy, Near-Infrared

These data suggest that near-infrared spectroscopy can detect impaired skeletal muscle O2 delivery in patients with heart failure [6].
Visible and near-infrared spectroscopy were used to examine the light-induced formation of chlorophyll and carotenoid radical cations in the mutant PS II core complexes at temperatures from 20 to 160 K [7].
The combination of cyclic voltammetry, dynamic ESR line broadening, and electronic (NIR) spectroscopy allows the intervalence electron transfer between the redox centers in the mixed-valence system D-br-D*(+) [where br can be an aliphatic trimethylene or an aromatic (poly)phenylene bridge] to be probed quantitatively [8].
Several recent reports claim success in measuring blood glucose non-invasively in human subjects with near-infrared spectroscopy [9].
In this study the authors used a whole-spectrum near-infrared spectroscopy approach to noninvasively assess changes in hemoglobin oxygenation and cytochrome-c oxidase redox state (Cyt-Ox) in the occipital cortex during visual stimulation [10].

Chemical compound and disease context of Spectroscopy, Near-Infrared

PC-3 human prostate cancer cells have been cultivated in a rotating wall vessel in which glucose, lactate, and glutamine profiles were monitored noninvasively and in real time by near-infrared (NIR) spectroscopy [11].
MEASUREMENTS AND RESULTS: CO2-reactivity was measured during and outside a period of severe sepsis or septic shock according to ACCP/SCCM criteria by means of transcranial Doppler sonography and near-infrared spectroscopy (NIRS) [12].
Cerebral blood oxyhemoglobin (HbO2), deoxyhemoglobin (HbR) and total hemoglobin (Hb) were examined in N2 and CO2 induced hypoxemia by near-infrared spectroscopy and compared with CBF examined by the H2 clearance method [13].
A purine degradation study, thermography and near infrared spectroscopy of the extremities were performed on 2 young males with Fabry disease and 2 healthy controls [14].
We investigated the effect of indomethacin (INDO) and hyperventilation (HV) on cerebral hemodynamics and oxygenation in newborn piglets using near-infrared spectroscopy (NIRS) [15].

Biological context of Spectroscopy, Near-Infrared

The different grades of ALI were induced in rats by administering oleic acid and varying the pulmonary ventilation conditions, and NIR spectroscopy was employed to determine lung water content and hemoglobin (Hb) oxygenation of the lungs [16].
Influence of intravenous sildenafil on cerebral oxygenation measured by near-infrared spectroscopy in infants after cardiac surgery [17].
Changes in regional cerebral blood volume in frontal cortex during mental work with and without caffeine intake: functional monitoring using near-infrared spectroscopy [18].
METHODS: In 10 pigs bled (0-24 ml kg(-1)) and retransfused (to 28 ml kg(-1)) during halothane anesthesia, the magnitude of the electrical impedance, cardiovascular, blood gas and temperature variables, atrial natriuretic peptide and near infrared spectroscopy of the leg muscles were recorded [19].
Role of excipients in hydrate formation kinetics of theophylline in wet masses studied by near-infrared spectroscopy [20].

Anatomical context of Spectroscopy, Near-Infrared

In 19 subjects, near-infrared spectroscopy was used to measure decreases in muscle oxygenation (DeltatHbO2+MbO2) as an estimate of the vasoconstrictor response to reflex sympathetic activation with lower body negative pressure (LBNP) in the microcirculation of resting and contracting forearm muscles [21].
Oxy-, deoxy-(HHb), and total hemoglobin and myoglobin (Hb(tot)) of the vastus lateralis muscle were measured continuously by near-infrared spectroscopy (NIRS) [22].
Spatially resolved spectroscopy (SRS) is a new near infrared spectroscopy (NIRS) method that, using the multi-distance approach, measures local cerebral cortex hemoglobin oxygen saturation [J. Matcher, P. Kirkpatrick, K. Nahid, M. Cope, and D. T. Delpy, Proc. SPIE 2389, 486-495 (1995)] [23].
Application of near-infrared spectroscopy for the assessment of the oxygenation level of myoglobin and haemoglobin in cardiac muscle in vivo [24].
Thirty Caucasian males (aged 19-32yr) participated in this study designed to investigate the reliability of multiple bioelectrical impedance analysis (BIA) and near-infrared spectroscopy (Futrex, FTX) measurements and the validity of BIA and FTX estimations of hydrostatically (UW) determined percent body fat (%BF) [25].

Associations of Spectroscopy, Near-Infrared with chemical compounds

BACKGROUND AND PURPOSE: We used near-infrared spectroscopy (NIRS) to monitor the cerebral oxygenation changes during CO2 reactivity tests [26].
This study demonstrates near-infrared spectroscopy (NIRS) for the first time as capable of noninvasive on-line detection of CSD in the pentobarbital-anesthetized rat [27].
Short-wave near-infrared spectroscopy of biological fluids. 1. Quantitative analysis of fat, protein, and lactose in raw milk by partial least-squares regression and band assignment [28].
The hepatic surface oxygenation was assessed by near-infrared spectroscopy and the hepatic metabolism of oxygen, lactate and catecholamines determined the adequacy of the hepatic flow [29].
Quadriceps microvascular blood flow was quantified by near infrared spectroscopy and indocyanine green in six healthy humans during dynamic knee extension exercise with and without combined pharmacological inhibition of NO synthase (NOS) and PG by L-NAME and indomethacin, respectively [30].

Gene context of Spectroscopy, Near-Infrared

Cerebrovascular hemoglobin oxygen saturation (SCO2), an index of brain oxygenation, was monitored intraoperatively by near-infrared spectroscopy [31].
Near infrared spectroscopy (NIRS) is used to measure CBF (CBFNIRS) in humans, based on Fick's principle, using oxygen as an intravascular tracer [32].
Near-infrared spectroscopy of the proto-planetary nebula CRL 618 and the origin of the hydrocarbon dust component in the interstellar medium [33].
To test these hypotheses, we measured vasoconstrictor responses in the forearms of pre- and postmenopausal women using near infrared spectroscopy to detect decreases in muscle oxygenation in response to reflex activation of sympathetic nerves evoked by lower body negative pressure (LBNP) [34].
Focus diagnosis of epilepsy using near-infrared spectroscopy [35].

Analytical, diagnostic and therapeutic context of Spectroscopy, Near-Infrared

In this study, we used near infrared spectrometry and jugular oxygen saturation measurement to assess the effects of prostaglandin E1 and nitroglycerin on cerebral perfusion [36].
Nitrosyl hemoglobin detected by near-infrared spectroscopy in rat liver allografts [37].
OBJECTIVE: To investigate the acute effects of low-dose caffeine and aminophylline on cerebral blood flow in preterm infants, using both near-infrared spectroscopy (NIRS) and cerebral Doppler ultrasonography [38].
A variety of analytical techniques were utilized to measure these components, including (i) gravimetric analysis, (ii) near-infrared spectroscopy, (iii) bicinchoninic acid based soluble protein measurement, (iv) gas mass spectrometry and flow rate, (v) CHNS/O elemental analyses, and (vi) high-performance liquid chromatography [39].
Measurement of the concentrations of glucose and lactic acid in peritoneal dialysis solutions using near-infrared spectroscopy [40].

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