Platelet type

Figure 6 shows transmission electron micrographs of Au particles supported by (a) monocrystalline ellipsoidal (B), (b) monocrystalline pseudocubic, and (c) monocrystalline platelet-type hematite particles (see also Figure 5 for Au particles on polycrystalline ellipsoidal (A) particles). Figure 7 shows Au particles deposited on (a) a-FeOOH, (b) P-FeOOH, (c) ZrOj (A), (d) ZrOj (B), and (e) Ti02 (anatase). 

E3. Eto, K., Sakura, H., Yasuda, K., Hayakawa, T Kawasaki, E Moriuchi, R., Nakataki, S., Yaza-ki, Y., and Kadowaki, T Cloning of a complete protein-coding sequence of human platelet-type phosphofructokinase isozyme from pancreatic islet. Biochem. Biophys. Res. Commun. 198, 990-998 (1994). 

FIGURE 2.1 Cobalt functionalized (a) platelet type carbon nanofibers, (b) herringbone type carbon nanofibers, and (c) carbon multiwalled nanotubes. 

With regard to the most potent synthetic derivatives, FR 72112 (46g) showed significant effects on both rat hypotension and mouse vascular permeability tests. This compound inhibited PAF-induced hypotension by 51% (3 mg/kg, i.v.) and the increased vascular permeability by 40% (10 mg/kg, i.v.). However, FR 69049 ((44c) 10 mg/kg, i.v.) failed to inhibit PAF-induced hypotension in rats, suggesting the existence of at least two types of PAF receptor in vivo, that is, a platelet type and a vascular type. 

SEM studies supported the above in observation of platelet type crystals containing Fe and Cl (by EDAX). ESCA revealed little detail but SIMS identified a number of hydroxy and oxychloride species including Fe(0H)+, Fe0+, FeO-, FeOCl- and FeCl to support the presence of chloride in the pyroaurite type film. LIMA indicated a number Fe 0 + peaks with x as y as high as 2 or 3 X y... 

Sugimoto,T. Waki, S. Itoh, H. Muramatsu, A. (1996) Preparation of monodisperse platelet type particles from a highly condensed K-FeOOH suspension. Colloids Surfaces 109 155-165. 

Contraindications HemophiliaAwithfactorVIII levels less than 5% hemophilia B severe type I, type HB, or platelet-type von Willebrand s disease... 

Fig. 1.3.10 SEM images of (a) pseudocubic, (b) ellipsoidal, (c) peanut-type, and (d) platelet-type hematite particles. The particles of (a), (b), and (c) were prepared under the same conditions as those of the particles in Fig. 1.3.7 but with 10-2 and 3.0 X 10-2 mol dm-3 Na2S04 for (b) and (c), respectively. The platelet particles in (d) were prepared by aging a P-FeOOH suspension ( 0.9 mol dm-3) at 70°C for 8 days in a medium of 2 mol dm-3 NaCl and 7.5 mol dm-3 NaOH. (From Refs. 16 and 20.)...

These results indicate both the necessity and efficacy of the IAF in understanding the polymer-nanofiller interaction parameter. It also justifies the approach undertaken to identify the possible constituents of this function, specifically for PNCs filled with platelet-type nanofiller. 

The acetylene compounds - Panaxynol and falcarindiol, isolated from the roots of Saposhnikovia divaricata (Turcz.) Schischk. (Umbelliferae), selectively inhibited 5-LOX (ICso = 2 pM), leukocyte-type 12-LOX (IC50 = 1 pM), platelet-type 12-LOX (IC50 = 67 pM), and 15-LOX (IC50 = 4 pM). The same compounds had only marginal effects on COX activities with IC50 > 100 pM [126]. Bidens campylotheca Schultz Bip. ssp. campylotheca (Compositae) is a Hawaiian folk medicine for throat, stomach and asthmatic disorders. The polyacetylenes isolated from the aerial parts of the plants, such... 

Hinokitiol is a tropolone type natural compound isolated from the wood of Chymacyparis taiwanesis. The compound has been utilized as a natural antimicrobial agent in hair tonics, toothpastes, cosmetics and food supplements. Hinokitiol was evaluated on five different arachidonic acid metabolic pathways for the mechanism of action of anti-inflammatory effects. It has been found to be a potent inhibitor with IC50 values of 0.1 pM against platelet-type 12-LOX and 50 pM against leukocyte-type 12-LOX. It also inhibited soybean 5-LOX enzyme (IC50 = 17 pM). However, hinokitiol had almost no effects on COX-1 and COX-2 enzymes. Similar inhibition profiles were also observed on synthetic tropolone derivatives [168]. 

Chen XS, Shelter JR, Johnson EN, Funk CD (1994) Role of leukotrienes revealed by targeted disruption of the 5-lipoxygenase gene. Nature 372 179-182 Johnson EN, Brass LF, Funk CD (1998) Increased platelet sensitivity to ADP in mice lacking platelet-type 12-lipoxygenase. Proc Natl Acad Sci USA 95 3100-3105... 

Phosphofructokinase, platelet type Enriched in amyloid plaques Liao et al. 2004... 

In man-made fibres, any stretching will irreversibly alter the crystallinity and there is no control of the lateral size of polymer crystals. Semicrystalline polymer networks typically consist of platelet type crystals whose width exceeds their thickness by several order of magnitudes because only the thickness is controlled by the chain folding [61]. In contrast to synthetic fibres, spider silk does not need any mechanical treatment by external forces the constituents self-assemble directly during the spinning-process. These examples clearly demonstrate the need for more detailed control of the mesoscopic structures for further development of man-made materials. 

Metal granules also have been found in cokes formed or deposited on iron, cobalt, and nickel foils in experiments using methane, propane, propylene, and butadiene (7-10). Platelet-type coke, whose properties match those of graphite also was produced in some cases. Lahaye et al. (11) investigated the steam cracking of cyclohexane, toluene, and n-hexane over quartz, electrode graphite, and refractory steel. They report that heavy hydrocarbon species form in the gas phase, condense into liquid droplets which then strike the solid surface, and finally react on the solid surfaces to produce carbonaceous products. The liquid droplets wet and spread out on certain surfaces better than on others. 

Tucker, R. F., Shipley, G. D., Moses, H. L. and Holley, R. W. (1986). Growth inhibitor from BSC-1 cells closely related to platelet type b transforming growth factor. Science 226, 705-707. 

Figure 2. Diagram of the double loop and negatively charged domain of GPIba showing the mutations leading to platelet-type von Willebrand s disease, Gly233Val and Met239Val, as well as the major proteolytic cleavage sites.

Qemetson KJ, Clemetson JM. Molecular abnormalities in 01an2mann s thrombasthenia, Bemard-Soulier syndrome, and platelet-type von Wiliebrand s disease. CurrOpin Hematol 1994 1 388-93. 

Miller JL, Cunningham D, Lyle VA, Finch CN. Mutation in the gene encoding the a chain of platelet glycoprotein Ib in platelet-type von Willebrand disease. Proc.Natl.Acad.Sci.USA 1991 88 4761-4765. 

Okada, I., Ozaki, M., and Matijevid, E., Magnetic interactions between platelet-type colloidal particles, J. Colloid Interface Sci, 142, 251, 1991. 

Shindo, D., Lee, B.T., Waseda, Y, Muramatsu, A., and Sugimoto, T., Crystallography of platelet-type hematite particles by electron microscopy, Mater Trans. JIM, 34, 580, 1993. 

Eto K, Sakura H, Yasuda K, Hayakawa T, Kawasaki E, Moriuchi R, et al. Cloning of a complete proteincoding sequence of human platelet-type phospho-fructokinase isozyme from pancreatic islet. Biochem Biophys Res Commun 1994 198 990-8. 

Properties Platelet-type crystalline structure. High porosity, high void volume to surface area ratio, low density, large range of particle size. Insoluble in water and organic solvents soluble in hot concentrated sulfuric acid. Water vapor adsorption capacity of expanded vermiculite less than 1%, liquid adsorption dependent on conditions and particle size, ranges 200-500%. Noncombustible. 

Operational problems can arise with platelet type materials, which have a fairly large surface area but virtually no thickness. These are very light in terms of mass and tend to attach themselves on to the collectors and each other, thereby reducing electrical clearance, which leads to flashover. 

Performance of High-Barrier Resins with Platelet-Type Fillers... 

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