نتایج جستجو برای: preservation method

تعداد نتایج: 1693585  

2017
Kenny A. Rodriguez-Wallberg

Fertility preservation has gained increased acceptance, and many reproductive medicine centers have established programs for this service. A recent report, which collected data from all Nordic university hospitals that had initiated programs for fertility preservation (N = 14), found that breast cancer is the most common diagnosis among women who underwent procedures aimed at fertility preserva...

Journal: :archives of razi institute 2016
k. esmaeil nia a. hatami s. bozorgi g. habibi a. afshari

the purpose of this study was to examine the potential application of sorbitol, sucrose and gelatin in combination with glycerol in order to theileria annulata infected cell line cryo-preservation. the efficiency of the freezing methods was compared by assessing the viability and plating efficiency of cells after resuscitation, dilution and equilibration in cell culture medium. as a result, the...

2003
Torsten Rohlfing Calvin R. Maurer David A. Bluemke Michael A. Jacobs

We propose and evaluate in this work a novel optimization strategy for intensity-based non-rigid image registration of contrastenhanced images with a volume-preservation constraint. Since patient motion correction and volume preservation are to some extent mutually exclusive goals, one is usually faced with a trade-off between volume preservation of contrast-enhancing structures and artifact re...

2007
Chuang-Cheng Chiu Chieh-Yuan Tsai

Data privacy preservation has drawn considerable interests in data mining research recently. The k-anonymity model is a simple and practical approach for data privacy preservation. This paper proposes a novel clustering method for conducting the k-anonymity model effectively. In the proposed clustering method, feature weights are automatically adjusted so that the information distortion can be ...

Journal: :Expert Syst. Appl. 2010
Weijia Yang Sanzheng Qiao

In data mining and knowledge discovery, there are two conflicting goals: privacy protection and knowledge preservation. On the one hand, we anonymize data to protect privacy; on the other hand, we allow miners to discover useful knowledge from anonymized data. In this paper, we present an anonymization method which provides both privacy protection and knowledge preservation. Unlike most anonymi...

2014
Ahmed A. Hussein Nam D. Tran James F. Smith

Improvements in childhood cancer survival have allowed boys and their families to increasingly focus on quality of life after therapy, particularly their future ability to father children. Treatments should maintain comprehensive cancer care goals and consider the long-term quality of life of these children. While semen cryopreservation is a well-established method of fertility preservation for...

2003
Heikki Huttunen Pertti T. Koivisto Antti Niemistö Olli Yli-Harja

A novel method of quantifying the level of detail preservation ability of digital filters is proposed. The method assumes only the input distribution of the filter and estimates how much the filter changes the signal. The change is measured by the expectation of the absolute difference between the input and output signal. The method is applicable for many filters and input distributions. As an ...

2015
Kresimir Duretec Artur Kulmukhametov Andreas Rauber Christoph Becker

This proposal is for a full day workshop to be held at the IPRES 2015 conference. The focus of the workshop will be on areas in the digital preservation field which could benefit from benchmarking. Benchmarking is a method of comparing entities against a welldefined standard (i.e. benchmark). The workshop is focused on discussing software benchmarking practices in digital preservation and how t...

Journal: :JASIST 2011
Andrea J. Copeland

This research investigated preservation practices of personal digital information by public library users. This qualitative study used semistructured interviews and two visual representation techniques, information source horizons and matrices, for data collection. The constant comparison method and descriptive statistics were used to analyze the data. A model emerged which describes the effect...

Journal: :Zygote 2016
M A Filatov Y V Khramova M V Kiseleva I V Malinova E V Komarova M L Semenova

In the present review, the main strategies of female fertility preservation are covered. Procedures of fertility preservation are necessary for women who suffer from diseases whose treatment requires the use of aggressive therapies, such as chemotherapy and radiotherapy. These kinds of therapy negatively influence the health of gametes and their progenitors. The most commonly used method of fem...

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