Results 1 to 10 of about 558,654 (343)

Silent hemoglobin variant during capillary electrophoresis: A case report

open access: yesJournal of Diabetes Investigation, 2020
Hemoglobin (Hb) North Manchester [β51(D2) Pro→His; HBB:c.155 C>A] is a rare Hb β‐globin gene variant that affects glycated Hb measurement values, such as ion‐exchange high‐performance liquid chromatography, in patients with diabetes.
Yanping Yuan   +4 more
doaj   +1 more source

Purification and Characterization of a Chloroplast Outer-Envelope-Bound, ATP-Dependent Protein Kinase [PDF]

open access: yes, 1988
An ATP-dependent protein kinase was partially purified from isolated outer envelope membranes of pea (Pisum sativum L., Progress No. 9) chloroplasts. The purified kinase had a molecular weight of 70 kilodaltons, as determined by sodium dodecyl sulfate ...
Soll, Jürgen
core   +2 more sources

Extraction and Purification of albumin from Hunan plasma

open access: yesمجلة بغداد للعلوم, 2011
This study includes adescription of Human serum Albumin by amodified using ion- exchange chromatography with manipulated comparison with cold ethanol precipitation method , It has been nticed that this procedure is superior orer the classical method ...
Baghdad Science Journal
doaj   +1 more source

Determination of water-soluble forms of oxalic and formic acids in soils by ion chromatography [PDF]

open access: yes, 2016
Carboxylic acids (CA) play an important role in the chemical composition origin of soils and migration of elements. The content of these acids and their salts is one of the important characteristics for agrochemical, ecological, ameliorative and hygienic
Guseva, Natalia Vladimirovna   +2 more
core   +1 more source

Isolation and Characterization of a Phaseolus vulgaris Trypsin Inhibitor with Antiproliferative Activity on Leukemia and Lymphoma Cells

open access: yesMolecules, 2017
A 17.5-kDa trypsin inhibitor was purified from Phaseolus vulgaris cv. “gold bean” with an isolation protocol including ion exchange chromatography on DEAE-cellulose (Diethylaminoethyl-cellulose), affinity chromatography on Affi-gel blue gel, ion exchange
Miao Li   +5 more
doaj   +1 more source

Dendrimer Anion-Exchange Stationary Phase for Separation of Oligonucleotides

open access: yesMolecules, 2022
Oligonucleotides are used in many research areas. Thus, there is a need for their successful separation methods. Ion-exchange chromatography is the most popular separation technique, but it has limitations for these compounds.
Sylwia Studzińska   +3 more
doaj   +1 more source

Online Size-exclusion and Ion-exchange Chromatography on a SAXS Beamline

open access: yesJournal of Visualized Experiments, 2017
Biological small angle X-ray scattering (BioSAXS) is a powerful technique in molecular and structural biology used to determine solution structure, particle size and shape, and surface-to-volume ratio of macromolecules.
M. Brennich, A. Round, Stephanie Hutin
semanticscholar   +1 more source

Separation of Natural Collagen Crosslinks Using Buffer and Ion-pairing Agent Free Solvents on Silica Hydride Column for Mass Spectrometry Detection

open access: yesBio-Protocol, 2019
In this protocol we describe the separation of collagen crosslinks in biological tissues and samples including skin, tendon, cartilage, bone and urine. The existing methods use either cation exchange chromatography followed by post-column derivatization ...
Rafea Naffa, Joseph Pesek
doaj   +1 more source

Ion-Exclusion/Cation-Exchange Chromatography Using Dual-Ion-Exchange Groups for Simultaneous Determination of Inorganic Ionic Nutrients in Fertilizer Solution Samples for the Management of Hydroponic Culture

open access: yesAgronomy, 2021
In this study, ion-exclusion/cation-exchange chromatography (IEC/CEC) using dual-ion-exchange groups (carboxy and sulfo groups) for the simultaneous determination of anions (SO42−, Cl−, NO3−, and HPO42−) and cations (Na+, NH4+, K+, Mg2+, and Ca2+) was ...
Daisuke Kozaki   +7 more
doaj   +1 more source

Effect of Cations and Chemicals on the Activity of Partially Purified Cellulase from Tomato (Lycopersicon esculentum Mill) Fruits Deteriorated by Aspergillus flavus Linn [PDF]

open access: yes, 2007
Within ten days of incubation, freshly ripe tomato fruits (Ibadan local variety) obtained from a local market in Ile-Ife, Osun State, Nigeria had completely deteriorated and proteins which possessed cellulolytic activity were released.
Adeyuwon, A. O.   +3 more
core   +1 more source

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