• A double-staining procedure using phosphotungstic acid and uranyl acetate has been developed and the potential of this procedure in electron-microscope studies of virus infection is discussed. (microbiologyresearch.org)
  • Its acidity in acetic acid has been investigated and shows that the three protons dissociate independently rather than sequentially, and the acid sites are of the same strength. (wikipedia.org)
  • Inhibitors produced due to effect of hydrothermal pretreatment ranged from 42.8 to 145.78 mg/L acetic acid, below detection level (BDL) to 17.7 µg/L 5-hydroxymethylfurfural, and BDL to 56.78 µg/L furfural. (frontiersin.org)
  • Both images were negatively stained with 2% phosphotungstic acid (pH 7.0). (els.net)
  • Gonococci were prepared from exponentially-growing cultures, washed in PBS, spotted on copper grids and negatively stained with phosphotungstic acid. (plos.org)
  • Phosphotungstic acid (HPW)-impregnated yeast hybrid microspheres were prepared by impregnation-adsorption technique through tuning pH of the aqueous yeast suspensions. (hindawi.com)
  • Phosphotungstic Acid Aqueous solution is available in a saturated aqueous solution, 0.1% in acetone and 4.67% in 95% alcohol. (vwr.com)
  • In common with the other heteropolyacids phosphotungstic acid is a catalyst and its high acidity and thermal stability make it a catalyst of choice according to some researchers. (wikipedia.org)
  • A series of amphiphilic hierarchically meso/macroporous phosphotungstic acid (HPW)/SiO 2 materials have been synthesized via a facile post treatment strategy and used as a catalyst for oxidative desulfurization (ODS). (springer.com)
  • Biological staining is also used to mark cells in flow cytometry , and to flag proteins or nucleic acids in gel electrophoresis . (wikipedia.org)
  • Delivery of large drug molecules and drug carriers, including therapeutic proteins, nucleic acids and nanomaterials, occurs either only at the level of the vascular endothelium itself or when the permeability of the endothelial barrier is significantly increased. (nature.com)
  • ORF2 of HAstV-1 encodes a polyprotein of 787 amino acids (aa) in length, with a molecular mass of around 87 kDa ( 26 ), which is the precursor of the smaller 24- to 26-kDa, 29- to 31-kDa, and 32- to 34-kDa structural proteins ( 1 , 3 , 26 ). (asm.org)
  • Some early workers who did not know the structure, such as Hsien Wu, called it phospho-24-tungstic acid, formulating it as 3H2O.P2O5 24WO3.59H2O, (P2W24O80H6).29H2O, which correctly identifies the atomic ratios of P, W and O. This formula was still quoted in papers as late as 1970. (wikipedia.org)
  • Phosphotungstic acid encapsulated in metal-organic framework as catalysts for carbohydrate dehydration to 5-hydroxymethulfurfural , Chemsuschem, 4 (2011) 59-64. (warwick.ac.uk)
  • Furthermore, by controlling the amino acid sequence along the bundlemer periphery, we use specific amino acid side chains, including non-natural click chemistry functionalities, to conjugate moieties into a desired pattern, enabling the creation of a wide variety of hybrid nanomaterials. (democraticunderground.com)
  • A preflagellin monomer harbouring an N ‐terminal amino acid signal sequence is directed to the site of the flagellum assembly, probably through the action of a chaperone. (els.net)
  • Genetic analysis revealed that the tissue culture-adapted (TC) Cowden PEC has one distant and three clustered amino acid substitutions in the capsid region and 2 amino acid changes in the RNA polymerase region compared to wild-type (WT) PEC (M. Guo, K.-O. Chang, M. E. Hardy, Q. Zhang, A. V. Parwani, and L. J. Saif, J. Virol. (asm.org)
  • However, the acid hydrolysis of lignocellulosic biomass was carried out in two stages including concentrated acid decrystallization followed by dilute acid hydrolysis with steam and heat treatment (5). (thefreelibrary.com)
  • I will tell you that I spent a year of my life dealing with the huge difference between the behavior of aspartic acid and glutamic acid, two natural amino acids that have exactly the same functional groups and differ by glutamic acid being one methylene group longer than aspartic acid. (democraticunderground.com)
  • Bardy SL and Jarrell KF (2003) Cleavage of preflagellins by an aspartic acid signal peptidase is essential for flagellation in the archaeon Methanococcus voltae. (els.net)
  • Acid Alcohol: 10 ml Sulfuric Acid + 90 ml Absolute ethanol. (cdc.gov)
  • Sulfuric acid digestion is performed at 110 °C with a 35-40% solution of sulfuric acid, followed by a hot water wash and vacuum filtration. (cdc.gov)
  • Radiocesium can be recovered from fission products by digestion with nitric acid. (cdc.gov)
  • 8E7 and 5B7), indicating a nonessential role of those amino acids neither in the capsid assembly nor in the antigen structure. (asm.org)