N′-[(E)-(5-Bromo-2-hydroxy­phen­yl)(phen­yl)methyl­idene]-4-chloro­benzo­hydrazide

The Schiff base, C20H14BrClN2O2, displays a trans conformation with respect to the C=N double bond. The aromatic rings at either end of the –C(=O)–NH–N=C– fragment are nearly parallel [dihedral angle = 3.4 (5)°]. The hydr­oxy group forms an intra­molecular hydrogen bond to the imino N atom

N′-[(E)-(5-Bromo-2-hydroxy­phen­yl)(phen­yl)methyl­ene]benzohydrazide

In the title compound, C20H15BrN2O2, the C=N double bond displays a trans configuration. The crystal structure features an intra­molecular O—H⋯N hydrogen bond

In vitro assembly of xenotropic murine leukemia virus-related virus CA-NC protein

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N′-[(E)-1-(5-Bromo-2-hydroxy­phen­yl)ethyl­idene]benzohydrazide

The C=N double bond in the title compound, C15H13BrN2O2, is trans E configured and the dihedral angle between the aromatic ring planes is 22.3 (1)°. The crystal structure is stabilized by intra­molecular O—H⋯O and inter­molecular N—H⋯O hydrogen bonds

(5-Bromo-2-hydroxy­phen­yl)(phen­yl)methanone

In the title compound, C13H9BrO2, the dihedral angle between the aromatic ring planes is 53.6 (1)°. The crystal structure is stabilized by intra­molecular O—H⋯O and inter­molecular C—H⋯O hydrogen bonding and C—H⋯π inter­actions

{N′-[(E)-(5-Bromo-2-oxidophen­yl)(phen­yl)methyl­ene]benzohydrazidato}pyridine­nickel(II)

The asymmetric unit of title complex, [Ni(C20H13BrN2O2)(C5H5N)], contains two independent mol­ecules. In each mol­ecule, the central NiII atom has a square-planar environment, formed by the tridentate hydrazone and the monodentate pyridine ligands, with the N atoms in a trans arrangement about the NiII atom

{N′-[(E)-1-(5-Bromo-2-oxidophen­yl)ethyl­idene]-4-chloro­benzohydrazidato}pyridinenickel(II)

The title complex, [Ni(C15H10BrClN2O2)(C5H5N)], displays a square-planar coordination geometry around the NiII ion, formed by the tridentate hydrazone and monodentate pyridine ligands, with the N atoms in a trans arrangement about the Ni center

The effects of fermentation and adsorption using lactic acid bacteria culture broth on the feed quality of rice straw

To improve the nutritional value and the palatability of air-dried rice straw, culture broth of the lactic acid bacteria community SFC-2 was used to examine the effects of two different treatments, fermentation and adsorption. Air-dried and chopped rice straw was treated with either fermentation for 30 d after adding 1.5 L nutrient solution (50 mL inocula L–1, 1.2×1012 CFU mL–1 inocula) kg–1 straw dry matter, or spraying a large amount of culture broth (1.5 L kg–1 straw dry matter, 1.5×1011 CFU mL–1 culture broth) on the straw and allowing it to adsorb for 30 min. The feed quality and aerobic stability of the resulting forage were examined. Both treatments improved the feed quality of rice straw, and adsorption was better than fermentation for preserving nutrients and improving digestibility, as evidenced by higher dry matter (DM) and crude protein (CP) concentrations, lower neutral detergent fiber (NDF), acid detergent fiber (ADF) and NH3-N concentrations, as well as higher lactic acid production and in vitro digestibility of DM (IVDMD). The aerobic stability of the adsorbed straw and the fermented straw was 392 and 480 h, respectively. After being exposed to air, chemical components and microbial community of the fermented straw were more stable than the adsorbed straw

Tuberculosis diagnosis after bleach processing for early stage tuberculosis laboratory capacity building

The diagnosis of tuberculosis is seriously hampered in the absence of standard biosafety laboratory facilities for specimen concentration and Mycobacterium tuberculosis culture. Within a laboratory twinning arrangement,heat-fixed direct smear and sediment from 74 bleach-processed and 20 non-processed specimens from Cumura Hospital, Guinea-Bissau, were sent to Lisbon for molecular evaluation of rifampicin resistance. Sequence analysis of a 369 base-pair rpoB locus detected 3.2% (3/94) resistant specimens. To our knowledge, this represents the first report on the molecular analysis of M. tuberculosis from bleach-processed sputum, an alternative to current diagnostic practice in low-resource settings