Results 121 to 130 of about 46,076 (249)

Assessment of Leishmania exposure in blood donors from a non‐endemic urban area: A study in São Paulo

open access: yesVox Sanguinis, Volume 121, Issue 2, Page 160-168, February 2026.
Abstract Background and Objectives According to the World Health Organization, more than 1 billion people are at risk of leishmaniasis in over 89 countries. Environmental changes such as deforestation, urban expansion and climate change facilitate the spread of sand fly vectors and reservoirs, increasing disease transmission.
Ismael Severino de Lima   +14 more
wiley   +1 more source

Influence of physical, chemical and inducer treatments on menaquinone-7 biosynthesis by Bacillus subtilis MTCC 2756 [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2015
Effects of physical and chemical treatment on nutrient mobility, their utilization for menaquinone-7 (MK-7) biosynthesis; growth of microbial cells has been investigated in the present research. Bacillus subtilis MTCC 2756 fermented medium was supplied
Alka Puri   +3 more
doaj  

Synthesis, Characterisation and biological activity for binuclear complexes with Co(II), Cu(II) and Zn(II) with new ligand m-phenylendi(azo-2-naphthol) ligand type N2O2.

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
   In this work, the(m-phenylenediamine) and (2-naphthol) have been used in the synthesis of tetradentate ligand [m-phenylenedi(azo-2-naphthol)][H2L] type (N2O2).
W. A. J. Al-Saedi
doaj  

Immunoadsorbents - Preparation and use of cellulose derivatives [PDF]

open access: yes
Antibody isolation from blood by linking antigens to insoluble cellulose ...
Campbell, D. H., Weliky, N.
core   +1 more source

Synthesis and Spectroscopic Study of Naphtholic and Phenolic Azo Dyes [PDF]

open access: yes, 2013
Azo dyes are extremely important in variety of industries for variety of technical purposes. Hence, a series of naphtholic azo dyes 1-9 were synthesized via diazotization of substituted aniline derivatives followed by azo coupling with 2-naphthol.
Ajani, Alice O   +4 more
core  

Efficient, one-pot synthesis of 14-aryl-14Hdibenzo[a, j]xanthenes in aqueous medium catalyzed by bis-piperidinium compounds [PDF]

open access: yes, 2013
A novel procedure for the synthesis of 14-aryl-14Hdibenzo[a,j]xanthenes through one-pot condensation of b-naphthol with aryl halides in aqueous media catalyzed by bis-piperidinium compounds is described. The method resulted in good to excellent yields in
Ahmad, Matloob   +3 more
core  

5,6,7,8 tetrahydro-2-naphthylamine based novel azo dye: Synthesis, spectral characterizations, DFT and latent fingerprinting application studies

open access: yesChemistry of Inorganic Materials
The present study describes about the synthesis, spectral characterization and computational studies of a new series of azo dyes produced from 5,6,7,8-tetrahydro-2-naphthylamine (3a-3d).The aforementioned compounds are generated through the conventional ...
Roohinaz Khanum, R.A Shoukat Ali
doaj   +1 more source

Contribution to the photometric determination of small amounts of boron trioxide in glasses [PDF]

open access: yes
The photometric determination for boron trioxide is described in amounts of 0-75 micrograms B2O3 with an azomethin H reagent. The yellow colored complex which occurs in a medium held at a pH of 4.5 was measured in light of a wavelength of 415 ...
Markova, D.
core   +1 more source

Directing mesenchymal stem cells to bone to augment bone formation and increase bone mass. [PDF]

open access: yes, 2012
Aging reduces the number of mesenchymal stem cells (MSCs) that can differentiate into osteoblasts in the bone marrow, which leads to impairment of osteogenesis.
Guan, Min   +11 more
core   +1 more source

Reagents for determinations of trace impurities in water—phase II [PDF]

open access: yes, 1975
Determinations of trace impurities, pollutants, in water are often complicated by a large number of factors which consume a great deal of time.
Antepenko, Richard J.   +2 more
core  

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