Results 51 to 60 of about 5,038 (139)

Hydrolysis and availability to plants of polyphosphates added to soils [PDF]

open access: yes, 1985
The hydrolysis by plant roots and in soils of seven linear oligomers (P(,2), P(,3), P(,5), P(,15), P(,25), P(,35), and P(,65)) and one cyclic polyphosphate, trimetaphosphate (TMP), was investigated.
Dick, Richard Peter
core   +2 more sources

Fluorescence of Naphthol AS-MX is Readily Detectable in Dioxane Mixtures [PDF]

open access: yes, 2019
Numerous enzymes have been demonstrated to be active in non-aqueous solutions, yet the utility of phosphatases under such conditions has been difficult to determine.
Blauwkamp, James A.   +4 more
core   +1 more source

Innovative methods in soil phosphorus research: A review [PDF]

open access: yes, 2015
Phosphorus (P) is an indispensable element for all life on Earth and, during the past decade, concerns about the future of its global supply have stimulated much research on soil P and method development.
Abraham, Marion   +16 more
core   +1 more source

Partial Purification and Characterisation of Alkaline Phosphatase from Hepatopancreas and Intertine of Red Tilapia, (Tilapia Mossambica) [PDF]

open access: yes, 2005
Alkaline phosphatase (EC 3.1.3.1) is a metalloenzyme, which catalyze nonspecific hydrolysis of phosphate monoesters. Partial purification was conducted on alkaline phosphatase (ALP) extracted from hepatopancreas and intestine of red tilapia, (Tilapia ...
Mariappan, Vanitha
core  

Application of computer-based methods to design inhibitors of zinc-dependent enzymes [PDF]

open access: yes, 2018
Die vorliegende Arbeit veranschaulicht die Anwendung von Computergestütztes Wirkstoffdesign im Kontext der Entwicklung von Enzyminhibitoren. Sie berichtet, wie neuartige Hits für das antiparasitäre Target (SmHDAC8) mithilfe von virtuellem Screening ...
Melesina, Jelena
core   +1 more source

Surface phosphatase activity of peltigera and cladonia lichens [PDF]

open access: yes, 1994
This study examines the effects of environmental factors on the surface phosphatase activities of the lichens Peltigera canina (L.) Willd., P. praetextata (Flōrke. ex Sommerf) Vain, and Cladonia arbuscula (Wallr.) Rabenh. Four plants of each species were
Stevenson, Paul A.R.J.
core  

Synthesis of enantiopure building blocks for biologically active compounds by enzyme catalysis. Optimizing reaction conditions for increased enantioselectivity and activity [PDF]

open access: yes, 2004
Efficient methods for synthesis of enantiomerically pure enantiomers of a series of secondary alcohols and butanoates have been performed by kinetic resolution of the racemic alcohols and esters catalyzed by lipase B from Candida antarctica (Novozym 435).
Jacobsen, Elisabeth Egholm
core  

GREAT EXPECTATIONS: PHOSPH(ON)ATE PRODRUGS IN DRUG DESIGN—OPPORTUNITIES AND LIMITATIONS [PDF]

open access: yes, 2020
Phosphate and phosphonates are chemical moieties with historical precedence in anticancer and antiviral nucleotide analogues. Synchronous to modern efforts identifying novel therapeutic targets in cancer, such chemical moieties are being investigated in ...
Yan, Victoria
core   +1 more source

Dinâmica do fósforo em solos derivados de materiais vulcânicos [PDF]

open access: yes, 2016
Dissertação de Mestrado em Engenharia AgronómicaOs solos derivados de materiais vulcânicos, representando 0,84% da área de solos no mundo, são caracterizados por acumularem grandes quantidades de matéria orgânica (MO), cerca de 5,0 % de carbono global, e
Lopes, Rui Nelson Bajouco da Silva
core   +1 more source

Effects and influence of the urea component of an organomineral fertiliser on phosphorus mineralisation in a low-P index arable and grassland soil [PDF]

open access: yes, 2016
Addition of organic waste such as sewage sludge (biosolids) has been recognised as one of the cost effective method of waste recycling practice of maintaining levels of organic matter in agriculture.
Abubakar, Musa Ahmad
core  

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