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Koblyakov, V. A.

doi:10.1023/a:1011973207268

Cited by 11 publications

(10 citation statements)

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“…These commercially produced knitted fabrics in their existing state after last commercial treatment (i.e., virgin state) were used for all tests. Stitch density, loop length, and mass per unit area of the knitted fabrics were determined according to procedures described in the literature (Koblyakov, 1989). Thickness of the knits was measured in accordance with ISO 5084:1996 (Textiles—Determination of thickness of textiles and textile products).…”

Section: Methodsmentioning

confidence: 99%

“…Planar stitch modulus, presenting the relationship between the area of a stitch and the area occupied by the yarn within the stitch, and volume stitch modulus, showing the relationship between the volume of a rectangular solid outlining a stitch and the volume occupied by the yarn within the stitch, were estimated by the relations described in the literature (Koblyakov, 1989). Cover factor CF (tex 1/2 cm −1 ), indicating the extent to which the area of the knitted fabric is covered with the yarn, was calculated as the ratio between the square root of the yarn's linear density, and loop length.…”

Section: Methodsmentioning

confidence: 99%

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Effect of Yarn Folding on Comfort Properties of Hemp Knitted Fabrics

Stanković

Bizjak

2014

Clothing and Textiles Research Journal

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The operation of folding provides a complex yarn differing to an appreciable degree from single components. Although the characteristics of folded yarns have been the subject of many investigations, there is a serious lack of study concerned with the influence of yarn folding on comfort properties of clothing materials. Therefore, this study focused on the effect of yarn folding on both thermal and tactile comfort of plain knitted fabrics. In addition to the structural characteristics of the yarns and knitted fabrics, the transport properties, deformation behavior and surface properties of the knitted fabrics were investigated. The results obtained indicated that the influence of yarn folding on thermal and tactile comfort properties of clothing materials is mainly positive. These effects were caused by the modification of yarn packing density which further influenced the air volume distribution as well as the fiber and yarn mobility within the fabric.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Effect of Yarn Folding on Comfort Properties of Hemp Knitted Fabrics

Stanković

Bizjak

2014

Clothing and Textiles Research Journal

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“…For determining the relaxation characteristics, a textile fabric ‘stand’ type relaxometer was applied. 47 The weight of 25% of the breaking load weight, 60 min loading time, was used for test strip (clamping length: 200 mm, strip width: 25 mm) deformation. The weights stretching the strips were hung from the lower clamps.…”

Section: Methodsmentioning

confidence: 99%

Vegetable oils in textile finishing applications: the action mode of wrinkle-reduction sprays and means for analyzing their performance

Stefanovic

Kostić

Bacher

et al. 2013

Textile Research Journal

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The effect of different aqueous emulsions of vegetable oils on the wrinkle recovery properties of 100% cotton fabric was investigated. Six vegetable oils (rapeseed oil, olive oil, coconut oil, safflower oil, linseed oil and modified sunflower oil) with different fatty acid profiles were used. The results prove that the fatty acid profile is an important factor affecting the wrinkle recovery properties of treated cotton fabrics. In general, higher concentrations of the active agent (vegetable oil) provide better wrinkle properties for treated cotton fabrics. The results suggest that better recovery from wrinkle deformation is due to the formation of a micro-film around the fibers and yarns that reduces the friction coefficient. For analysis that better monitors the complex process of fiber relaxation after deformation, an optical wrinkle tester based on grazing light analysis was developed. The technique allows more precise scanning of textile surfaces and measuring of small increments of wrinkle recovery after a spray treatment, for example. The optical wrinkle tester offers the possibility of time-dependent measurements to follow the kinetics of wrinkle relaxation and, for the first time, gives access to kinetic profiles of fiber relaxation.

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“…The microsomal monooxygenase system is its major component; increased activity of this monooxygenase system accounts for the phenomenon of tumor drug resistance while activation of expression of certain isoforms (CYP1A, CYP2C, and CYP3A) is associated with a tumor phenotype [9]. It is known that expression of CYPs may be induced by various compounds [10][11][12], frequently, by substrates of par ticular isoforms or products of other enzymatic reac tions. This induction may occur directly through acti vation of the promoter containing RARE (retinoic acid responsive element) by the complex or retinoic acid with its receptors RAR (retinoic acid receptor) and RXR (retinoid X receptor) or by PPAR het erodimer complex (peroxisome proliferator activated receptor) [4,14].…”

Section: Morphological Parameters Of Tumor Growth Positively Correlatmentioning

confidence: 99%

“…Tumor growth is charac terized by high metabolic activity of transformed cells and formation of large amounts of toxic metabolic products, which require high activity of components of the cell detoxification system, especially its major component, the microsomal monooxygenase cyto chrome P450 system (CYP) [9]. It is known that expression of certain isoforms of cytochrome P450 may be induced by various substances, which fre quently represent either specific substrates for these isoforms or products formed by other enzymes [10,11]. In this context retinoids can either directly (in the complex with receptors of retinoic acid (RAR, RXR) and peroxisome proliferator activated receptors (PPAR) causing activation of the promoter containing RARE (retinoic acid responsive element)) or indi rectly (acting as substrates) can induce expression of certain isoforms of CYP [10,12].…”

Section: Introductionmentioning

confidence: 99%

The induction of Guerin’s carcinoma cytochrome P450 hydroxylase activity by retinoids

Shmarakov

Katan

2011

Biochem. Moscow Suppl. Ser. B

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Using Guerin's carcinoma as a model the interrelationship between the tumor growth process and supplementation of the body with vitamin A has been studied. The replenishment of vitamin A resources of vitamin deficient tumor bearing animals modulated the Guerin's carcinoma growth rate in a dose dependent manner (r = 0.83). The morphological parameters of tumor growth under conditions of supplementation with vitamin A (0-3000 IU) positively correlated with hydroxylase (r = 0.81) and demethylase (r = 0.49) activities of the Guerin's carcinoma cytochrome P450 system. The increase in the tumor growth rate together with the induction of hydroxylase and demethylase activities of cytochrome P450 in the Guerin's carcinoma microsomal fraction, observed either under conditions of retinyl acetate overdose supplementation, or selec tive liposomal form of all trans retinoic acid, suggests the stimulatory effect of retinoids on tumor growth.

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Cited by 11 publications

References 0 publications

Effect of Yarn Folding on Comfort Properties of Hemp Knitted Fabrics

Effect of Yarn Folding on Comfort Properties of Hemp Knitted Fabrics

Vegetable oils in textile finishing applications: the action mode of wrinkle-reduction sprays and means for analyzing their performance

The induction of Guerin’s carcinoma cytochrome P450 hydroxylase activity by retinoids

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