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Showing 1-30 of 108 results for "H7379" within Papers
Madina M Sozarukova et al.
RSC advances, 11(56), 35351-35360 (2022-05-03)
Cerium dioxide nanoparticles have a special place among engineered nanomaterials due to the wide range of their enzyme-like activities. They possess SOD-, catalase- and peroxidase-like properties, as well as recently discovered phosphatase-, photolyase-, phospholipase- and nuclease-like properties. Advancing biomedical applications
Edward Slone et al.
Epileptic disorders : international epilepsy journal with videotape, 14(4), 371-378 (2012-12-19)
Growing evidence suggests that focal seizures are preceded by haemodynamic changes. Specifically, changes in cerebral blood flow, blood oxygen level-dependent magnetic resonance imaging, and near-infrared spectroscopy measurements of haemoglobin have been observed in the seizure focus and other brain regions
Karisa M Pierce et al.
Talanta, 80(3), 1445-1451 (2009-12-17)
Multidimensional analysis of instant coffee and barley beverage samples using size exclusion chromatography (SEC) combined with a dynamic surface tension detector (DSTD) and a UV-vis absorbance detector (UV) is reported. A unique finding of this study was the action of
Rui Liu et al.
Experimental hematology, 41(7), 656-661 (2013-03-30)
Laser tweezers Raman spectroscopy was used to characterize the oxygenation response of single normal adult, sickle, and cord blood red blood cells (RBCs) to an applied mechanical force. Individual cells were subjected to different forces by varying the laser power
Chih-Hsin Wang et al.
International journal of molecular sciences, 22(13) (2021-07-03)
Chitosan, a polysaccharide derived from chitin, has excellent wound healing properties, including intrinsic antimicrobial and hemostatic activities. This study investigated the effectiveness of chitosan dressing and compared it with that of regular gauze dressing in controlling clinically surgical bleeding wounds
Vladimir M Turzhitsky et al.
Applied optics, 47(32), 6046-6057 (2008-11-13)
There has been significant interest in developing depth-selective optical interrogation of biological tissue in general and of superficial (e.g., mucosal) tissue in particular. We report an in vivo polarization-gating fiber-optic probe that obtains backscattering spectroscopic measurements from a range of
Rebekka Heitmar et al.
Investigative ophthalmology & visual science, 54(4), 2807-2811 (2013-03-16)
To establish the optimal flash settings for retinal vessel oxygen saturation parameters using dual-wavelength imaging in a multiethnic group. Twelve healthy young subjects (mean age 32 years [SD 7]; three Mediterranean, two South Asian, and seven Caucasian individuals) underwent retinal
Igor Nepluev et al.
Infection and immunity, 77(7), 3065-3074 (2009-05-20)
HgbA is the sole TonB-dependent receptor for hemoglobin (Hb) acquisition of Haemophilus ducreyi. Binding of Hb to HgbA is the initial step in heme acquisition from Hb. To better understand this step, we mutagenized hgbA by deletion of each of
Yan-Liang Lai et al.
Redox biology, 15, 51-61 (2017-12-08)
Heme oxygenase (HO)-1 is an inducible stress response protein and well known to protect cells and tissues against injury. Despite its important function in cytoprotection against physiological stress, the role of HO-1 in embryonic stem cell (ESC) differentiation remains largely
Lidai Wang et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(15), 5759-5764 (2013-03-29)
Label-free functional imaging of single red blood cells (RBCs) in vivo holds the key to uncovering the fundamental mechanism of oxygen metabolism in cells. To this end, we developed single-RBC photoacoustic flowoxigraphy (FOG), which can image oxygen delivery from single
Bensachee Pattamadilok et al.
Photodermatology, photoimmunology & photomedicine, 28(4), 213-215 (2012-09-29)
Tristimulus colorimetry and diffuse reflectance spectroscopy (DRS) are white-light skin reflectance techniques used to measure the intensity of skin pigmentation. The tristimulus colorimeter is an instrument that measures a perceived color and the DRS instrument measures biological chromophores of the
Jianxi Qu et al.
Micromachines, 12(2) (2021-01-28)
An accurate and rapid microflow cytometry-based agglutination immunoassay (MCIA) suitable for on-site antibody or antigen detection was proposed. In this study, quantitative C-reactive protein (CRP) detection was chosen as a model assay in order to demonstrate the detection principle. The
Tatiana Martini et al.
Caries research, 54(5-6), 466-474 (2020-11-11)
Saliva is the most important biological factor to protect against erosive tooth wear (ETW). Gastroesophageal reflux disease (GERD) patients have an increased risk of ETW due to the frequent presence of intrinsic acids in the oral cavity. Remarkably, not all
Shigeru Obayashi et al.
Neuropsychologia, 51(3), 418-424 (2012-12-04)
The supplementary motor area (SMA) has been regarded as a third speech area. The SMA is anatomically classified into two regions, pre-SMA and SMA proper, but the functional specialization of speech production between the two regions remains unknown. Although word
Gloria Lusci et al.
Colloids and surfaces. B, Biointerfaces, 218, 112726-112726 (2022-08-02)
Biointerfaces are significantly affected by electrolytes according to the Hofmeister series. This work reports a systematic investigation on the effect of different metal chlorides, sodium and potassium bromides, iodides and thiocyanates, on the ESI/MS spectra of bovine serum albumin (BSA)
Larisa Latypova et al.
The Journal of chemical physics, 155(1), 015101-015101 (2021-07-10)
The hemoglobin concentration of 35 g/dl of human red blood cells is close to the solubility threshold. Using microwave dielectric spectroscopy, we have assessed the amount of water associated with hydration shells of methemoglobin as a function of its concentration
Xiaoqian Wu et al.
Journal of clinical microbiology, 59(9), e0058521-e0058521 (2021-06-17)
Metronidazole resistance in clinical Clostridioides difficile is often described as unstable, since resistant strains reportedly appear susceptible following freezer storage or brief passage. This has presented a conundrum for adopting susceptibility testing to accurately evaluate the connection between metronidazole resistance
In vivo multiphoton NADH fluorescence reveals depth-dependent keratinocyte metabolism in human skin.
Mihaela Balu et al.
Biophysical journal, 104(1), 258-267 (2013-01-22)
We employ a clinical multiphoton microscope to monitor in vivo and noninvasively the changes in reduced nicotinamide adenine dinucleotide (NADH) fluorescence of human epidermal cells during arterial occlusion. We correlate these results with measurements of tissue oxy- and deoxyhemoglobin concentration during
F C Ezebuo et al.
Indian journal of experimental biology, 50(12), 847-852 (2013-08-31)
Lipoxygenases comprise a family of non-heme iron-containing enzymes that catalyze the stereospecific dioxygenation of polyunsaturated fatty acids with 1, 4-cis-cis-pentadiene structure. Hemoglobin, a heme iron-containing protein has been reported to have lipoxygenase activity but the assay conditions that could enhance
Sudarshan R Jadcherla et al.
American journal of physiology. Gastrointestinal and liver physiology, 307(1), G41-G49 (2014-05-03)
Central and peripheral neural regulation of swallowing and aerodigestive reflexes is unclear in human neonates. Functional near infrared spectroscopy (NIRS) is a noninvasive method to measure changes in oxyhemoglobin (HbO) and deoxyhemoglobin (HbD). Pharyngoesophageal manometry permits evaluation of aerodigestive reflexes.
B Jalilian et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 244, 118855-118855 (2020-09-04)
In this study, we investigated the possibility of interactions between the solvent molecules with the Heme group in the human hemoglobin. The results of this study answer a key question: whether the interactions of the Heme unit with its surroundings
Liang Shan et al.
Molecular medicine (Cambridge, Mass.), 27(1), 103-103 (2021-09-10)
Neovasculogenesis is characteristic of herniated lumbar discs, in which extruded nucleus pulposus is prone to heme iron-induced cytotoxicity (increased oxidative stress causing ferroptosis). However, recent analyses of neovascularization are very complicated, and the mechanism of action is rarely reported. Matrix-assisted
Hiroshi Hori et al.
Journal of inorganic biochemistry, 116, 53-54 (2012-09-27)
The effect of the quaternary structure change in deoxy-Hb on the electronic states of the ferrous high-spin heme was studied by multi-frequency electron paramagnetic resonance (MFEPR). We used a single-pass transmission-type EPR at 70-220 GHz and at 1.5K. We compared
Camille Bergtold et al.
Biomacromolecules, 19(9), 3693-3704 (2018-08-01)
The oxidation of dopamine and of other catecholamines leads to the formation of conformal films on the surface of all known materials and to the formation of a precipitate in solution. In some cases, it has been shown that the
Molecular interaction of silicon quantum dot micelles with plasma proteins: hemoglobin and thrombin.
Shanmugavel Chinnathambi et al.
RSC advances, 9(26), 14928-14936 (2019-05-14)
Protein conformational changes are associated with potential cytotoxicity upon interaction with small molecules or nanomaterials. Protein misfolding leads to protein-mediated diseases; thus, it is important to study the conformational changes in proteins using nanoparticles as drug carriers. In this study
Guishan Zheng et al.
Biochemistry, 52(47), 8539-8555 (2013-11-15)
The Bohr effect in hemoglobin, which refers to the dependence of the oxygen affinity on the pH, plays an important role in its cooperativity and physiological function. The dominant contribution to the Bohr effect arises from the difference in the
Adam Dyer et al.
Bioscience reports, 35(4), doi:10-doi:10 (2015-07-17)
The deep evolutionary history of the Spirochetes places their branch point early in the evolution of the diderms, before the divergence of the present day Proteobacteria. As a spirochete, the morphology of the Borrelia cell envelope shares characteristics of both
Lingling Xu et al.
Cell reports, 41(8), 111709-111709 (2022-11-24)
The function of fibroblasts in intracerebral hemorrhage (ICH) remains elusive. By targeting Col1α1, a fibroblast-specific marker, we generate mice with ablated Col1α1+ fibroblasts. These mutants show exacerbated blood-brain barrier (BBB) damage, enlarged injury volume, and worse neurological function, highlighting a
James V Lee et al.
Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 199(3), 227-238 (2013-01-17)
Songbirds communicate by learned vocalizations with concomitant changes in neurophysiological and genomic activities in discrete parts of the brain. Here, we tested a novel implementation of diffusive optical imaging (also known as diffuse optical imaging, DOI) for monitoring brain physiology
Elise Abi-Khalil et al.
Biochimica et biophysica acta, 1850(9), 1930-1941 (2015-06-21)
Iron is an essential element for bacterial growth and virulence. Because of its limited bioavailability in the host, bacteria have adapted several strategies to acquire iron during infection. In the human opportunistic bacteria Bacillus cereus, a surface protein IlsA is
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