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MeSH Review:

Fourier Analysis

Ishizuka, S. et al., Eriste, E. et al., Wood, T.D. et al., Brinegar, A.C. et al., Noguchi, T. et al., et al.

Boskey, Moore, Amling, Canalis, Delany, Vigano, Julien, Carrier, Gros, Ruysschaert, Murayama, Tomida, Citi, D'Atri, Parry, Helmy, Zhou, Chen, Crocker, Wang, Wenslow, Vailaya, Vigano, Margolles, van Veen, Konings, Ruysschaert, Takeuchi, Ogilvie, Murphy, Ferrelli, Nabedryk, Breton, Joshi, Hanson, le Coutre, Turk, Kaback, Wright,

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Disease relevance of Fourier Analysis

To test the hypothesis that a water molecule might be present in the gap resulting from this replacement, we examined a transition-state analogue complex formed by Escherichia coli cytidine deaminase by Fourier transform ion cyclotron resonance MS in electrospray mode [1].
We obtained steady-state visual evoked potentials (VEPs) to sinusoidal gratings alternating at 4 Hz with spatial frequencies varying from 0.5 to 8 cpd in 21 normal controls and 21 patients with multiple sclerosis (MS), and analyzed responses by fast Fourier transform [2].
The photoreduction of the secondary quinone Q(B) in native reaction centers (RCs) of Rhodobacter capsulatus and in RCs from the GluL212 --> Gln and GluL212 --> Ala mutants has been investigated at pH 7 in (1)H(2)O and (2)H(2)O by light-induced Fourier transform infrared (FTIR) difference spectroscopy [3].
A difference Fourier transform infrared spectrum, associated with P(700)(+)-minus-P(700), can be acquired using PSI from the cyanobacterium Synechocystis sp. PCC 6803 [4].
Light-induced charge separation in Rhodopseudomonas viridis reaction centers monitored by Fourier-transform infrared difference spectroscopy: the quinone vibrations [5].

Psychiatry related information on Fourier Analysis

The number and duration of contractions per minute were determined by inspection of the motor activity record; the frequency content of both the motor and myoelectrical records was determined using the Fast Fourier Transform method [6].
The esterified HAP particles were characterized by X-ray diffraction, transmission electron microscopy, diffuse reflectance infra-red Fourier transform spectroscopy (DRIFTS), thermal gravimetric analysis, sedimentation time studies, and electrophoretic mobility (mu) measurements in water and ethyl alcohol [7].
Receptor test (pupillary dilatation after application of 0.01% tropicamide solution) and determination of central nervous activation (Fourier analysis of pupillary oscillations) in patients with Alzheimer's disease [8].
Analyses of sleep stages combining two studies (16 participants) also supported the Fast Fourier Transform findings, showing that when dreams were reported there were decreased amounts of stage 2 and increased stage REM in SOREMP and increased stage W in NREMP [9].

High impact information on Fourier Analysis

Fourier transform infrared difference spectra of intermediates in rhodopsin bleaching [10].
Double mutants in which both histidines had been changed to glutamine were screened for changes in the characteristics of P700 using electron paramagnetic resonance, Fourier transform infrared and visible spectroscopy [11].
Electrospray ionizaton Fourier-transform MS of the phenylglyoxal-modified CK that had lost approximately 80% activity identified three species: unmodified, once-modified (+116 Da), and twice-modified (+232 Da) enzyme in a ratio of approximately 1:4:1 [12].
The structure of lactose permease from Escherichia coli in its lipid environment was studied by attenuated total reflection Fourier transform infrared spectroscopy [13].
Here, accurate (+/- 1 Da) molecular weight and molecular ion dissociation information for human muscle and brain creatine kinases has been obtained by electrospray ionization coupled with Fourier-transform mass spectrometry to help distinguish which of several published amino acid sequences for both enzymes are correct [14].

Chemical compound and disease context of Fourier Analysis

A detailed structural study of the prokaryotic sodium/galactose transporter (vSGLT) from Vibrio parahaemolyticus using attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy reveals stepwise increases in alpha-helicity upon binding of sodium and D-galactose [15].
The flash-induced Fourier transform infrared (FTIR) difference spectrum of the oxygen-evolving Mn cluster upon S1-to-S2 transition (S2/S1 spectrum) was measured using photosystem II (PS II) core complexes of Synechocystis 6803 in which tyrosine residues were specifically labeled with 13C at the ring-4 position [16].
Fourier transform infrared detection of pyruvic acid assimilation by E. coli [17].
In this study, we report the use of attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FT-IR) for the identification and quantitation of two polymorphs of Aprepitant, a substance P antagonist for chemotherapy-induced emesis [18].
In this paper, Fourier transform infrared (FTIR) spectroscopy of CO bound to the enzyme is used to directly demonstrate that the E. coli bo-type ubiquinol oxidase also contains a heme-copper binuclear center [19].

Biological context of Fourier Analysis

A combination of total reflection Fourier transform infrared spectroscopy, (2)H/H exchange, and fluorescence quenching experiments was used to investigate the effect of nucleotide binding and/or hydrolysis on the structure of LmrA reconstituted into proteoliposomes [20].
The alpha subunit active site has been located by difference Fourier analysis of the binding of indole propanol phosphate, a competitive inhibitor of the alpha subunit and a close structural analog of the natural substrate [21].
Using high resolution accurate mass analysis on an ion trap Fourier transform mass spectrometer, the post-translational modification was identified as arginine linked to the gamma-carboxyl of Glu via an isopeptide bond, and we named the newly identified peptide "arginylated neurotensin" (R-NT, N-(neurotensin-C5-4-yl)arginine) [22].
The base pairing between DNA strands and the types of oligonucleotides (adenine or thymine) attached to the nanoparticles was detected by Polarization Modulated Fourier Transform Infrared Reflection Absorption Spectroscopy (PM-FTIRRAS) [23].
MATERIALS AND METHODS: Tibias from dmp1 KO and age-, sex-, and background-matched HET and WT mice at 4 and 16 weeks (N(total) = 60) were examined by Fourier transform infrared imaging (FTIRI), histology (n = 6 per genotype and age; N = 36), and geometry by muCT (n = 4 per genotype and age; N = 24) [24].

Anatomical context of Fourier Analysis

A method was developed to measure Fourier-transform infrared (FTIR) difference spectra of detergent-solubilized rhodopsin expressed in COS cells [25].
Ultrastructural appraisal of the multidrug resistance in K562 and LR73 cell lines from Fourier transform infrared spectroscopy [26].
The transmembrane orientation of the human erythrocyte glucose transporter was assessed based on polarized Fourier transform infrared and ultraviolet circular dichroism spectroscopic data obtained from oriented multilamellar films of the reconstituted transporter vesicles [27].
Dynamic interactions of CO with a3Fe and CuB in cytochrome c oxidase in beef heart mitochondria studied by Fourier transform infrared spectroscopy at low temperatures [28].
Mineral and matrix properties of tibias of osteonectin-null mice and their age- and background-matched wildtype controls were compared using Fourier-transform infrared microspectroscopy (FTIRM) and infrared imaging (FTIRI) at 10- and 7-mm spatial resolution, respectively [29].

Associations of Fourier Analysis with chemical compounds

The time and temperature dependencies of the line area (M0) and position (M1) of band III at approximately 760 nm have been measured with Fourier-transform infrared spectroscopy in deoxymyoglobin (Mb) and continuously photolyzed carbon monoxide myoglobin (MbCO) [30].
A difference Fourier-transform infrared study of two redox-active tyrosine residues in photosystem II [31].
Fourier analysis of the hydrophobicities of the acetylcholine receptor subunit sequences reveals regions of amphipathic secondary structure [32].
Fourier transform infrared evidence for proline structural changes during the bacteriorhodopsin photocycle [33].
Analysis by laser photodissociation Fourier-transform mass spectrometry of 10 pmol of the peptide independently confirmed the Edman data and also demonstrated that the histidine residue nearest the C terminus (underlined) was modified by the reagent in the sequence Ala-Phe-Leu-Gln-Pro-Ser-His-His-Asp-Ala-Asp-Glu [34].

Gene context of Fourier Analysis

Structural and functional asymmetry of the nucleotide-binding domains of P-glycoprotein investigated by attenuated total reflection Fourier transform infrared spectroscopy [35].
Fast Fourier transform analysis and a scoring technique designed to recognize potential interactions between different supramolecular arrangements suggests that cingulin dimers may further assemble through antiparallel interactions between the last approximately 100 amino acids of the coiled-coil region [36].
Runx2-modified cells deposited significant amounts of mineralized matrix and hydroxyapatite, as determined by microcomputed tomography, histological analysis, and Fourier transform infrared spectroscopy, whereas scaffolds seeded with control cells exhibited no mineralized regions [37].
Fourier transform infrared spectroscopy analyses showed that the beta-sheet-rich core of the amyloid form remained intact upon PK-digestion and accounted for the extremely high thermal stability [38].
Fourier transform infrared (FT-IR) spectra were measured for an aqueous solution (pD = 5.40) of defatted monomer bovine serum albumin (BSA) over a temperature range of 25-90 degrees C to investigate temperature-induced secondary structure and conformation changes [39].

Analytical, diagnostic and therapeutic context of Fourier Analysis

Circular dichroism (CD) and attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy are used to establish the secondary structure of peptides containing one or more transmembrane segments (M1-M4) of the Torpedo californica nicotinic acetylcholine receptor (AChR) [40].
The effect of biotin binding on streptavidin (STV) structure and stability was studied using differential scanning calorimetry, Fourier transform infrared spectroscopy (FT-IR), and fluorescence spectroscopy [41].
The carbon monoxide complex of ascorbate-reduced dopamine beta-hydroxylase has been prepared and characterized by Fourier transform infrared, fluorescence, and x-ray absorption spectroscopies [42].
The new metabolite has been unequivocally identified as 3 beta, 25-dihydroxy-9,10-seco-5,7,10(19)-cholestatrieno-26,23-peroxylactone by ultraviolet absorption spectrophotometry, Fourier transform infrared spectrophotometry, mass spectrometry, field desorption mass spectrometry, and specific chemical reaction with triphenyl phosphine [43].
Electron microscopy, Fourier transform infrared (FTIR) spectroscopy, x-ray microanalysis, compensated polarized light microscopy, and biochemical studies including 14C-labeled UDPG pyrophosphohydrolase radiometric assay [44].

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Fourier transform infrared evidence of proton uptake by glutamate L212 upon reduction of the secondary quinone QB in the photosynthetic reaction center from Rhodobacter capsulatus. Nabedryk, E., Breton, J., Joshi, H.M., Hanson, D.K. Biochemistry (2000) [Pubmed]
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