Results 101 to 110 of about 256,941 (291)

Efecto del uso del suelo en las formas y disponibilidad de fósforo de un Andisol de la Meseta P’urhépecha, Michoacán

open access: yesTerra Latinoamericana, 2019
Los Andisoles se distinguen por su habilidad para retener fósforo (P), lo cual restringe la productividad agrícola. Se planteó la hipótesis que la disponibilidad de P en las diferentes formas extraídas secuencialmente, variaría de acuerdo al uso del ...
Jeannette S. Bayuelo Jiménez   +3 more
doaj   +1 more source

Fractions of nucleic acids in seedlings and leaves of winter wheat in the vegetative and generative development phases

open access: yesActa Societatis Botanicorum Poloniae, 2015
The composition of nucleic acid preparations isolated from seedlings and leaves of plants grown from vernalized and nonvernalized winter wheat grain was chromatographically investigated on a methylated albumin kieselguhr column (MAK column).
W. Filek
doaj   +1 more source

Cinética do fósforo em tecidos de suínos alimentados com dietas contendo enzima fitase Phosphorus kinetics in tissue of growing pigs fed diets containing phytase enzyme

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2004
O experimento foi desenvolvido para avaliar a cinética do P em tecidos de suínos em crescimento, alimentados com rações contendo P orgânico e vários níveis de fitase, com o uso do 32P como indicador.
J.A. Moreira   +3 more
doaj   +1 more source

32P Clinicopathologic features and prognostic factors in male breast cancer: A single centre experience [PDF]

open access: bronze, 2020
İzzet Doğan   +8 more
openalex   +1 more source

\u3cem\u3eRhizobium phaseoli\u3c/em\u3e Symbiotic Mutants with Transposon Tn5 Insertions [PDF]

open access: yes, 1984
Rhizobium phaseoli CFN42 DNA was mutated by random insertion of Tn5 from suicide plasmid pJB4JI to obtain independently arising strains that were defective in symbiosis with Phaseolus vulgaris but grew normally outside the plant.
Cevallos, Miguel A.   +4 more
core   +1 more source

Determination of mevalonate in blood plasma in man and rat. Mevalonate “tolerance” tests in man.

open access: yesJournal of Lipid Research, 1979
A method is described for the determination of mevalonate in ultrafiltrates of blood plasma. The method depends on the phosphorylation of mevalonate with [gamma-32P]ATP and mevalonate kinase to 5-[32P]phosphomevalonate, and the subsequent isolation of ...
G Popják   +5 more
doaj   +1 more source

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