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Nambu, Masayuki; Harada, Etsuko T.; Akatsu, Hiroko; Sawashima, Hidenari; Ishimoto, Akio

doi:10.5100/jje.38.supplement_246

Cited by 2 publications

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“…As well known, the method of repeated freezing and thawing cycles employed in this study is based on the fact that the formation of ice domains enhances the PVA concentration outside the ice domains at low temperatures and PVA aggregates to form the network in the high c region. [3][4][5] The network structure becomes slightly ambiguous by thawing, but the increased freezing and thawing cycles make the network structure clearer. In this study, K 2 CO 3 was used as an added salt to shorten the cycle time.…”

Section: Resultsmentioning

confidence: 99%

“…Poly(vinyl alcohol) (PVA) gives tough hydrogels: Until now, several methods [3][4][5][6] have been developed to obtain the tough hydrogels. Following Nambu's method, 3) Watase et al 4) developed a gelling method composed of freezing and thawing cycles for PVA aqueous solutions. This preparation method is very simple but gives strong hydrogels.…”

Section: Introductionmentioning

confidence: 99%

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Creep and Mechanical Properties of Poly(vinyl alcohol) Hydrogels

Yao

Horinaka

Takigawa

2018

J. Soc. Rheol., Jpn

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Creep and Mechanical Properties of Poly(vinyl alcohol) Hydrogels

Yao

Horinaka

Takigawa

2018

J. Soc. Rheol., Jpn

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Effects of age‐related decline of visual attention, working memory and planning functions on use of IT‐equipment

Suto

Kumada

2010

Jpn Psychol Res

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The effects of age-related decline of cognitive functions, such as visual attention, working memory and planning functions on use of IT-equipment were investigated. Older participants (n = 34; aged 65-73 years) were divided into two groups based on AIST-cognitive aging test (AIST-CAT) scores. They were then asked to purchase a reserved seat for the Japanese bullet train, using a ticket vending machine. The results showed that: (a) the decline in visual attention caused a disruption in searching for objects on the screen; (b) the decline in working memory interrupted maintaining subgoals; and (c) information related to subgoals; and the decline in planning function, interrupted constructing and maintaining a behavior sequence for operating a ticket vending machine. These results indicate that the age-related decline of cognitive functions is differentially related to problems with using IT-equipment.j pr_438 201..215Key words: cognitive aging, visual attention, working memory, planning function, usability for older adults.In the past decade much of the equipment we use in our daily life has become increasing dependent on computerized information technology (IT). Technology generally adds a variety of functions to basically simple equipment. For example, computerized televisions provide a greater variety of information than traditional televisions that receive only broadcast or cable programming. However, it is not necessarily the case that computerized equipment (referred to as IT-equipment) is easy to use for all people. This is particularly relevant with regard to older users. In fact, previous studies have reported that older adults experience a variety of difficulties in using

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Cited by 2 publications

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Creep and Mechanical Properties of Poly(vinyl alcohol) Hydrogels

Creep and Mechanical Properties of Poly(vinyl alcohol) Hydrogels

Effects of age‐related decline of visual attention, working memory and planning functions on use of IT‐equipment

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