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26 articles for “Crystals”
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Research ArticleOpen accessEvery word in the titleIn vitro Growth and Inhibition Studies of Monosodium Urate Monohydrate Crystals by Different Herbal ExtractsBharat B. Parekh, Sonal R. Vasant, Kashmira P. Tank et al.Problem statement: A large number of people in the world have been suffering from gout for centuries. Gout is the term given to a metabolic condition in which the signs and symptoms results from the deposition of crystals of Monosodium Urate Monohydrate (MSUM) in various connective tissues. Approach: It was quite difficult to grow good quality large MSUM crystals because … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 10,210 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGROWTH OF YB3+ DOPED LiNBO3 CRYSTALS USING LASER HEATED PEDESTAL GROWTH METHODBariza Boudour, Youcef Boumaiza, Amar BoudourThe growth of LN single crystals free from defects greatly doped with rare earth elements (RE3+) and having a high optical quality is still an unresolved problem. Always, crystals of the niobate lithium contain a deficiency in lithium causing the appearance of intrinsic defects and thus a doping is required for the homogeneity. Our work was aimed to study the … …American Journal of Applied Sciences, Vol. 11, Issue 5 · 17 Feb 2014 · 6,912 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleLANGMUIR-BLODGETT NANOTEMPLATE CRYSTALLIZATION COMBINED TO LASER-MICROFRAGMENTATION UNIQUELY CHARACTERIZE PROTEINS CRYSTALS BY SYNCHROTRON MICRODIFFRACTIONClaudio Nicolini, Luca Belmonte, Christian Riekel et al.Laser-induced microfragmentation of LB nanotemplate-induced protein crystals in glycerol solution results in distinct, coherently diffracting domains. Only crystals produced according to the Langmuir-Blodgett (LB) nanotemplate technique reveal in all four proteins being tested (lysozyme, insulin, thaumatin and ribonuclease) domains highly radiation resistant, while the crystals produced by the standard hanging drop crystallization method do not. Actually the very same laser … …American Journal of Biochemistry and Biotechnology, Vol. 10, Issue 1 · 11 Feb 2014 · 7,984 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDesign and Optimization of a 1.55 µm Waveguide Based on Silicon Planar Photonic CrystalsR. Bchir, A. Bardaoui, M. Machhout et al.Background: Silicon based Planar Photonic Crystals (PPC) are used for the design of a 1.55 µm waveguide. Line defects are then formed in the PPC structures, by removing rows of holes, to obtain a Planar Photonic Crystal Waveguide (PPCW). Objective: First, we varied the thickness of the Silicon slab and the pore radius in order to obtain optimum design parameters … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 7,472 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGrowth Inhibition of Struvite Crystals in the Presence of Herbal Extract Boerhaavia diffusa LinnC. K. Chauhan, M.J. Joshi, A. D.B. VaidyaProblem statement: The formation of a urinary stone, known as nephrolithiasis, urolithiasis, renal calculi or kidney stone is a serious, debilitating problem in all societies throughout the world. Struvite or Ammonium Magnesium Phosphate Hexahydrate (AMPH) is one of the components of urinary stone (calculi). Struvite stones are commonly found in women. Struvites form in humans as a result of urinary … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 8,990 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStabilization of Tyrosinase-Bovine Serum Albumin Crystals by GlutaraldehydeD. Norouzian, A. Akbarzadeh, M.H. Abnosi et al.Tyrosinase and bovine serum albumin were co-crystallized by saturated ammonium sulfate solution(65%) and 20% polyethylene glycol ( PEG) 6000 and n-propanol as co-solvents .The obtained crystals were cross linked by glutaraldehyde solution(1% v/v).Polyethylene glycol 6000 was found to be better co-solvent than n-propanol. The developed biocatalyst could be recycled 6 times without further loss of tyrosinase activity. No loss of … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 3 · 30 Sep 2007 · 7,194 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSTUDY OF THE POSSIBILITY OF POLYTYPE 3C SILICON CARBIDE BULK CRYSTALS GROWING FOR USE IN POWER DEVICESLebedev Alexander Alexandrovich, Bulat Pavel ViktorovichDue to its electro-physical parameters, the silicon carbide is a promising material for power devices, including the microwave range. In recent years there has been considerable progress in the development of power devices, based on SiC. Serious problem, which hinders the widespread commercialization of SiC bipolar power devices, is the p-n structures degradation during high densities of passing forward current. … …American Journal of Applied Sciences, Vol. 11, Issue 10 · 5 Dec 2014 · 6,348 accessesView PDFCite
Research ArticleOpen accessIn the keywordsComparative Anatomical Study between Cayratia Mollissima, Pterisanthes Caudigera (Vitaceae) and Leea Indica (Leeaceae)Chnar Najmaddin, Khatijah Hussin, Haja MaideenProblem statement: Leea species was originally placed in the family Vitaceae but was later placed in the Leeaceae due to the anatomical differences between the two families. Approach: A comparative study on the stem and leaf anatomy of Cayratia mollissima and Pterisanthes caudigera (Vitaceae) and Leea indica (Leeaceae) was conducted to investigate anatomical differences which could provide additional differentiating characters … …American Journal of Applied Sciences, Vol. 8, Issue 9 · 29 Jul 2011 · 7,281 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Impact of XRF-Escape on Energy Resolution of NaI: Tl Scintillation Detectors for Medical Imaging or Gamma-Ray SpectroscopyRaffaele Scafè, Marco Puccini, Rosanna Pellegrini, Roberto PaniThe effect of escape of X-ray fluorescence from scintillator elemental components on the detector energy resolution is investigated from a spectroscopic standpoint, for monolithic and pixelated crystals. Along with these, any other emissions in a given region of interest were also considered. In present spectral evaluations a range of ratios between the areas of the peaks (XRFesc) to (XRFesc + … …American Journal of Applied Sciences, Vol. 21, Issue 1 · 10 Jul 2024 · 5,024 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Characterization of Bacillus thuringiensis from soil habitat of Auky Island, Padaido District in Biak Numfor Regency and Its Toxicity against Mosquito Larva of Anopheles spLantang Daniel, Rampa Ester, Lunga NellyBacillus thuringiensis (Bt) is bacteria that produce protein crystals as an insecticidal against various vector diseases in plants and animals including humans. The purpose of this research is to discover the local isolate toxicity of B. thuringiensis from Auky Island Padaido District in Biak Numfor Regency against mosquito larva Anopheles sp., as well as to discover the local isolate of … …American Journal of Infectious Diseases, Vol. 14, Issue 2 · 4 Sep 2018 · 9,147 accessesView PDFCite