... routine chest x- rayin critically ill children is justified to quantify the amount of pulmonary edema This is in accordance with other studies considering the clinical value of routine chest x- rays ... milliliters and indexed to body weight (ml/kg) Chest x- ray The chest x- rays were obtained in anteroposterior direction with the patient in supine position using a digital Lemson et al Critical Care ... with dobutamine, milrinone or nor-epinephrine Individual patient characteristics are shown in Table All children had normal body proportions Table shows Table 1: Chest x- ray scoring system for...
... decreasing CXR ordering On the one hand, fewer CXRs may result from the raw elimination of some investigations performed in patients, the objective being to merely reduce the rate of unnecessary investigations ... therapeutic interventions Finally, there was no increase in the number of unscheduled CXRs performed in the afternoon or in the night in the on-demand strategy, and therefore no disruption in the ... PE: Low value of routine chest radiographs in a mixed medical-surgical ICU Chest 2007, 132:823-828 10 Kappert U, Stehr SN, Matschke K: Effect of eliminating daily routine chest radiographs on...
... Notice the very thin regular line which is the diaphragm (arrow) The Chest X- Ray: A Survival Guide by Gerald de Lacey et al introduction to chest radiology Introduction to chest radiology Fleischner ... ring-sign corresponds to inflamed visceral peritoneal lining surrounding an infarcted fatty epiploic appendage Left sided epiploic appendagitis in patient clinically suspected of having a diverticulitis.Characteristic ... inflammation causing focal abdominal pain that simulates appendicitis when located in the right lower quadrant or diverticulitis when located in the left lower quadrant The characteristic ring-sign corresponds...
... pathologists in an attempt to explain clinical palpability or mammographic density [4] But adenocarcinoma including ductal carcinoma, lobular carcinoma and in- situ ductal carcinoma studied in this ... converted into photon energy by performing a calibration using Am-241 All samples were prepared as mm diameter and mm height pieces of tissue contained in low scattering, thin walled plastic holders In ... diagnosis using scattered X- rays J Synchrotron Rad 2000; 7: 348-352 Malden CH, Speller RD, et al A CdZnTe array for the detection of explosives in baggage by energy dispersive X- ray diffraction...
... of the intrinsic flexibility of the loop containing His124 and the crystal packing effect Destabilization mechanism of So-RNase HI A combination of the six thermostabilizing mutations increases ... denaturation induced by single amino acid substitution in the sequence of beta-glucosidase A from Bacillus polymyxa Proteins 33, 567–576 Bae E & Phillips GN Jr (2005) Identifying and engineering ion ... So-RNase HI by 28.8 °C in Tm and 27.0 kJÆmol)1 in DG(H2O) Five of the six substituted residues in the resultant sextuple mutant protein (6·-RNase HI) are found in the corresponding positions of at...
... (Fig 1III–V), which could indicate that the corresponding hydroxyl groups are involved in protein binding The results for the linebroadening measurements of protons H1a in the alpha and beta configurations, ... been grouped into three subfamilies: ‘surface-binding’ CBMs (type A), ‘glycan-chain-binding’ CBMs (type B), and ‘small sugar-binding’ CBMs (type C) [5] Determinants of ligand specificity in CtCBM11 ... over other methods in detecting binding activity First, the binding component can usually be directly identified, even from a substance mixture, allowing it to be utilized in screening for ligands...
... Asp1 side chain carboxylic group was suggested to be involved in hydrogen-bonding interaction with either the N-terminal amino group or the Arg2 side chain amino group, whereas in our studies ... Mixing times for NOESY experiments were set to 100, 200, 350 and 400 ms to determine NOE build up rates A mixing time of 350 ms provided sufficient cross-peak intensity without introducing spin-diffusion ... chain NH of the preceding arginine, forming a stable heptamer ring, both in the X- ray structure and the solution structure of AII (Fig 8) Indeed, aspartate residues at the N-termini of short polypeptides...
... basic f-amino group of the coordinating K100, with the H-bonded water molecule found in the X- ray structure increasing the electron donating power of the coordinating amino group which in turn ... prominent being the absence of the 695-nm band, indicative of Met-Sdiron coordination Upon titrating increasing amounts of guanidinium hydrochloride (GdmHCl) the protein unfolds resulting in the ... K100 was coordinating the heme-iron [7] Interestingly, ligand exchange for the M100K variant at alkaline pH was not observed [7], suggesting that the ‘alkaline transition’ involving the dissociation...
... putative HXCXnC zinc binding motif [15] The latter nding indicates that zinc coordination in MtaA and MtbA should be the same The nding that the number of sulfur ligands to zinc can vary in different ... totally excluded) MtbA is inactivated when Cys241 or Cys316 of the putative zinc binding motif H239XC241XnC316 are mutated [23] In case of MtaA the mutation of Cys239 in the H237XC239XnC316 motif ... addition indicates that also in His237 Ala the HS-CoM binding results in sulfur ligation to the active-site zinc XANES spectra of wild-type and mutants As shown in the following, the interpretation...
... of glucose-binding protein has been identified in some bacteria; its fold is not similar to GBP, but rather to that of the larger maltose-binding protein This kind of protein is exemplified by ... observed in the cleft between the two domains (Fig 1) As illustrated in Fig 2, 15 hydrogen bonds directly link protein and ligand, six of which arise from domain 1, and nine from domain Two water ... moiety (marked with red ovals in Fig 2B): B Fig Interactions in the binding site (A) Stereoview of bound GGal showing GBP residues making hydrogen-bonding and aromatic interactions (B) Schematic...
... site involving a His residue at position ‘0’ (i.e immediately preceding the natural initiator Met within the tail downstream of the thrombin cleavage site in the N-terminal extension containing ... novel metal binding site Furthermore, they show structural heterogeneity in their inhibitor-bound forms, highlighting the potential to extend future inhibitors out of the ligand-binding pocket ... structures (Fig 3) to determine to what extent these modes of structural variability are explored The PEP complex simulation remains in the vicinity of the starting point There is little tendency...
... Ala72 in Nedd8, and Arg72 in ubiquitin (highlighted in yellow in Fig 2C) Matching E1 residues are Thr149 in uba2, Arg190 in uba3 and Gln608 in uba1 (highlighted in purple in Fig 3E) Interestingly, ... domain [1,42,44,45] Except for the SP-RING domain, no homology has been found between PIAS proteins and single-chain ubiquitin E3 ligases NSE2a and TOPORS, two other proteins that contain RING ... SP-RING domain, a SUMO interaction motif (SIM) and a C-terminal domain (CTD) [39] (B) Pc2 contains an uncharacterized E3 domain, a ubc9 binding domain and a Pro-Ile-Asp-Leu-Ser motif involved in substrate...
... an Xray is Unfortunately, the term X ray, so applied, refers to the piece of film illuminated by X rays Mention X- ray astronomy” to people and too often they think we send beams of X rays into ... s, X rays were believed to exist only in the laboratory because of the difficulty of creating them Laboratory experiments established that air absorbs X rays, explaining the lack of X- ray detections ... the X- rays used in dentists’ and doctors’ offices There, the X rays have interacted with light-sensitive grains on photographic film.10 The absorption of the X rays by the grains causes the grains...
... biplane x- ray system [36] Testing procedures Biplane x- ray images were acquired while manually flexing the knee from full extension (i.e., approximately 10° flexion) to approximately 90° of flexion ... the biplane x- ray system's 3D imaging volume, i.e., the region defined by the intersecting x- ray beams Although this limitation prevents us from collecting biplane x- ray images during an entire ... techniques for assessing in- vivo PF joint motion have included dynamic CT imaging [34] and single-plane fluoroscopic imaging combined with shape matching [35] Dynamic CT imaging has limitations...
... chamber is in a vacuum-tight aluminum housing, sealed with a Viton o-ring, and has X- ray transparent beryllium windows to allow the X- rays to enter and exit 25 ◆ Pore Characterization: X- ray Porosimetry ... the X- rays to penetrate the air/film interface, but insufficient to penetrate the film/Si interface Each minimum in this regime corresponds to an optical coupling condition, and the incident X- ray ... are not extremely sensitive to the X- ray beam passing through the origin; further refinements in the alignment of the X- ray optics are usually required For the θ -θ instrument depicted in Figure...
... density measured by x ray: apparent density of the cell wall = drx / cell wall proportion = drx · S/s = drx · R · T / [X · (T + R) – X2 ] = drx · R · T / [X · (T + R – X) ] 2.3.2 Hexagonal model ST ... varies, explaining a superior cell wall density in LW than in EW Yiannos [47] finds LW cell wall densities superior by at least 100 kg/m³ than in EW Wilfong’s [45] observations also point in that ... (left) and hexagonal (right) cell and lumen models Let X = · x = width of the double cell wall: s = R · T – [(R – X) · (T – X) ], s = X · (T + R) – X2 , s / S = cell wall proportion If drx = the wood...
... each ring from the pith to bark Ring density (RD) and ring width (RW) of each ring were determined based on the intra-ring microdensitometric profiles [11] Incomplete rings false rings and rings ... 60 80 100 Ring width (%) Figure Average within-ring density profile (from 100 trees) for the twentieth ring from pith showing the E/L transition point as determined by the inflexion point method ... previous findings for Norway spruce [1] Since the wood density at the E/L transition point defined by the inflexion point method 515 Earlywood-latewood transition in black spruce 0.7 90 Ring width...
... kVCBCT to the planning kVCT in targets and normal tissues for the three clinical cases (NK-T lymphoma, NPC and Brain Tumor) The difference of maximal dose in tumor is 0.49% and innormal structures ... sets Finally, the initial dose distribution matrix calculated on the planning CT was imported in the treatment planning system and displayed on the kV-CBCT dataset using scripts developed in- house ... equipped with an integrated kV X- ray volumetric imaging system (Elekta, Synergy S, XVI, Crawley, UK) For imaging the head-and-neck and brain tumor patients, we used the following parameters: 100...