Sequential Sampling in Biological Assay [PDF]
IN an investigation relating to the isolation and purification of chorionic gonadotrophin from pregnancy urine, the following problem has arisen : “Does fraction A contain at least the amount X of chorionic gonadotrophin?” It was necessary to answer this question in the shortest possible time and to use as little material of A as possible.
E, BUKOVICS, F X, WOHLZOGEN
openaire +2 more sources
Carotenoids from Mangifera Pajang and Their Antioxidant Capacity
This study provides new data on the various carotenoids found in bambangan (Mangifera pajang Kosterm.) peel and pulp extracts, such as all-trans-α- and β-carotene, cis-β-carotene, 9-cis-β-carotene, and cryptoxanthin.
K. Nagendra Prasad +3 more
doaj +1 more source
Dual effect of changes in temperature and pH on stability of cefquinome in vitro [PDF]
The current study includes the dual effect of changes in temperature and pH on stability of cefquinome in vitro. Cefquinome was exposed to different phosphate buffer solution with a pH of 6,7 or 8 and each one was exposed to different temperatures which ...
L.A. Kafi
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A Preliminary Study on Using Multi-Nozzle Polymer Deposition System to Fabricate Composite Alginate/Carbon Nanotube Tissue Scaffolds [PDF]
Three-dimensional composite alginate/single wall carbon nanotube (SWCNT) scaffolds encapsulated with endothelial cells were fabricated by a multi-nozzle biopolymer freeform deposition system.
Guceri, S. +3 more
core +1 more source
Metal Ions, Metal Chelators and Metal Chelating Assay as Antioxidant Method
Heavy metals are essential for a wide range of biological processes, including the growth and reproduction of cells, synthesis of biomolecules, many enzymatic reactions, and the body’s immunity, but their excessive intake is harmful.
I. Gulcin, S. Alwasel
semanticscholar +1 more source
Antioxidant Capacity and Antimicrobial Activity of Commercial Samples of Guava Leaves (\u3cem\u3ePsidium guajava\u3c/em\u3e) [PDF]
Psidium guajava is a small tree native to South and Central America. Guava leaves have traditionally been used for treating different illnesses. These benefits can be attributed to phenolics and flavonoids produced by guava.
Alsaidi, Sahar +11 more
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Biological Assay of Cephalosporin C [PDF]
SUMMARY: A method of assaying the antibiotic cephalosporin C in low concentration in culture fluids by using a strain of Vibrio cholerae is described. The formation of spheroplasts of the test organism in subinhibitory concentrations of the antibiotic and chemically related compounds is discussed.
J M, BOND +2 more
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Inorganic metal ions and the proteins play an essential role in living systems. Different hormones and cellular messengers regulate the hemostasis of organisms.
Aisha Munawar +5 more
doaj +1 more source
Giemsa versus acridine orange staining in the fish micronucleus assay and validation for use in water quality monitoring [PDF]
This study concerns a comparative analysis of the acridineorange and Giemsastaining procedures for the fish erythrocyte micronucleusassay. The goal was to optimize the assay in the context of field watermonitoring. Fish (Carassius carassius) were exposed
Gauthier, Laury +5 more
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Arginyltransferase, Its Specificity, Putative Substrates, Bidirectional Promoter, and Splicing-derived Isoforms [PDF]
Substrates of the N-end rule pathway include proteins with destabilizing N-terminal residues. Three of them, Asp, Glu, and (oxidized) Cys, function through their conjugation to Arg, one of destabilizing N-terminal residues that are recognized directly by
Brower, Christopher S. +7 more
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