نتایج جستجو برای: freeze concentration

تعداد نتایج: 396382  

2017
Ana Claudia Berenhauser Maria Helena Machado Canella Isabella de Bona Muñoz Elane Schwinden Prudencio J. Vladimir Oliveira Jane Mara Block

Human milk is the ideal nutritional support for premature neonates. Considering the need for aggregating nutritional value to human milk provided to such vulnerable group of infants, human milk was concentrated by the block freeze concentration technique. The effects of freeze concentration on the physicochemical properties, the efficiency of the process, color parameters, and the density and d...

Journal: :Bioscience, biotechnology, and biochemistry 2001
R Hirasawa K Yokoigawa Y Isobe H Kawai

We examined the freeze tolerance of bakers' yeast loaded with exogenous trehalose. Freeze-tolerant and freeze-sensitive compressed bakers' yeast samples were soaked at several temperatures in 0.5 M and 1 M trehalose and analyzed. The intracellular trehalose contents in both types of bakers' yeast increased with increasing soaking period. The initial trehalose-accumulation rate increased with in...

2011
Supaporn Sriwongsitanont Masaharu Ueno

The influence of the freeze-thawing process on the size and lamellarity of multilamellar PEG-lipid liposomes prepared from a mixture of egg yolk phosphatidilcholine (EggPC) and distearoyl phosphatidylethanolamine polyethyleneglycol (DSPE-PEG) 2000 was investigated. Trapped volume measurement, quasielastic light scattering (QELS) and freeze-fracture electron microscopy were used to estimate the ...

2016
Rebogile R. Mphahlele Olaniyi A. Fawole Nokwanda P. Makunga Umezuruike L. Opara

BACKGROUND The use of pomegranate peel is highly associated with its rich phenolic concentration. Series of drying methods are recommended since bioactive compounds are highly sensitive to thermal degradation. The study was conducted to evaluate the effects of drying on the bioactive compounds, antioxidant as well as antibacterial and antityrosinase activities of pomegranate peel. METHODS Dri...

2017
Wilhelmina Bagchus Özkan Yalkinoglu Peter Wolna

This was a Phase I, open-label, randomized, two-period, two-sequence crossover study [ClinicalTrials.gov NCT02317809 (https://www.clinicaltrials.gov/ct2/show/NCT02317809); EudraCT 2014-003506-32] assessing the bioequivalence of the liquid and freeze-dried formulations of fixed-dose, fixed-ratio (2:1) combination recombinant human follicle-stimulating hormone plus recombinant human luteinizing h...

Journal: :Veterinary world 2015
Umesh Kumar Ajay P Gawande Sunil K Sahatpure Manoj S Patil Chetan K Lakde Sachin W Bonde Pradnyankur L Borkar Ajay J Poharkar Baldeo R Ramteke

AIM To compare the seminal attributes of neat, pre-freeze (at equilibration), and post-freeze (24 h after freezing) semen in pure and crossbred Jersey bulls. MATERIALS AND METHODS Total 36 ejaculates (3 ejaculates from each bull) were collected from 6 pure Jersey and 6 crossbred Jersey bulls and evaluated for various seminal attributes during neat, pre-freeze, and post-freeze semen. RESULTS...

دریانی, احمد, شریف, مهدی, فخار, مهدی, پقه, عبدالستار, کیا لاشکی, الهام,

Background and purpose: Giardia lamblia (G.lamblia) is one of flagellated protozoan pathogens. Giardiasis is the most common human parasite infection in the world, causing a lengthy course of diarrhea. The aim of the present study was to compare five different methods of DNA extraction from G.Lamblia cyst and determining the most efficient DNA extraction method. Materials and methods: This stu...

2015
Marcella Lucchetta

Probably, one test of the stability of the banking system is to evaluate how risky assets are distributed across banks’ portfolios and the implications for the contagion via interbank relations. This paper explores theoretically a bank sector with risks concentration and the functioning of interbank markets. It employs a simple model where banks are exposed to both credit and liquidity risk tha...

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