نتایج جستجو برای: pediculus capitis
تعداد نتایج: 2022 فیلتر نتایج به سال:
OBJECTIVE To determine the diagnostic accuracy of visual inspection and wet combing in pediculosis capitis (head lice infestation). Visual inspection of 5 predilection sites (temples, behind the ears, and neck) was performed first, followed by wet combing of hair moistened with conditioner. Presence of mobile stages was defined as active infestation, presence of nits alone as historic infestati...
INTRODUCTION There are increasing concerns over the presence and implications of pharmaceutical agents in water. In 2002, California banned pharmaceutical use of lindane because of concerns about water quality, as lindane treatment for head lice and scabies was found to be a significant factor adversely affecting wastewater quality. OBJECTIVES In this article we describe the effects the ban h...
This is a meaty book. Its 190 pages and 129 tables are crammed with facts about boys?1,349 of them. It is easy enough to collect a batch of facts from a selected set of boys, ones who are ready to talk. But it is a herculean labour to dig out specific facts from all the boys of a particular group who will linclude the tongue tied, the lazy, the shy, the facetious, the forgetful and the plain ni...
T he Austrian theory of the business cycle has many critics. Some believe that this part of the Austrian contribution is so misdirected as to constitute an "embarrassing excrescence" (Yeager [1986, p. 378]); others simply doubt that there can be a single theory that provides a general account of cyclical activity (Leijonhufvud [1984, 1986]; see also Sirkin [1972] and Lachmann [1978]); and still...
Retraction The authors have retracted this article [1] due to the ethical misconduct of Karel Bezouska and misappropriation of data which fundamentally changes the main findings of the article. Specifically, the upper amino acid sequence in Figure 1 (by KB) in BMC Biotechnol 11:2 was incorrect, therefore Nit-ANigWT and Nit-ANigRec (nitrilase expressed in E. coli harbouring a nit gene from A. ni...
Head lice prevalence varies greatly between and within countries, and more knowledge is needed to approach causes of this variation. In the present study, we investigated head lice prevalence among elementary school students and their households in relation to individual and household characteristics as well as spatial variables. The investigation included households from 5 geographically separ...
The human head louse is a cosmopolitan ectoparasite and frequently infests many people, particularly school-age children. Due to widespread pyrethroid resistance and the lack of efficient resistance management, there has been a considerable interest in the protection of uninfested people and prevention of reinfestation by disrupting lice transfer. In this study, two nonclinical model systems (i...
Head louse infestation (HLI) is one of the most frequently occurring parasitic diseases in children. This study was conducted to investigate the socioeconomic and personal factors influencing HLI in the Republic of Korea. A total of 2,210 questionnaires about various factors related to HLI were obtained from children in 17 primary schools throughout the country. The rate of HLI was significantl...
Escherichia coli requires nickel under anaerobic growth conditions for the synthesis of catalytically active NiFe hydrogenases. Transcription of the NikABCDE nickel transporter, which is required for NiFe hydrogenase synthesis, was previously shown to be upregulated by FNR (fumarate-nit rate regulator) in the absence of oxygen and repressed by the NikR repressor in the presence of high extracel...
A procedure has been developed for the quantitative determination of the extraetable proteins of the nit heart. Utilizing extraction with a sucrose-versene solution and employing differential centrifugation, followed by extraction with a phosphate-pyrophosphate buffer, low-ionic-strength extractives, a mitochondrial fraction, and high-ionic-strength extractives have been obtained. Electrophoret...
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