Gerrymandering—the manipulation of electoral boundaries to maximize constituency wins—is often seen as a pathology of democratic systems. A commonly cited cure is to require that electoral constituencies have a ‘compact’ shape. But how much of a constraint does compactness in fact place on would-be gerrymanderers? We operationalize compactness as a convexity constraint and apply a theorem of Ka...

BACKGROUND Remarkable progress had been made since the launch of the Global Polio Eradication Initiative in 1988. However endemic wild poliovirus transmission in Nigeria, Pakistan, and Afghanistan remains an issue of international concern. Poor microplanning has been identified as a major contributor to the high numbers of chronically missed children. METHODS We assessed the contribution of t...

Cyperus platycaulis is used in folk medicine in Kano, northern Nigeria, for the treatment of cold, cough, (tuberculosis), chest congestion, asthma, sneezing, and catarrh. The tuberous fragrant herb (black species) was extracted using ethanol, chloroform, n-butane, and n-hexane, to determine the physico-chemical properties of the plant and the cytotoxicity of the extracts with reference to its a...

Staphylococci are part of human flora found in the axillae, the inguinal, perineal areas, other parts of the skin, and the anterior nares [1]. Persistent carriage is more common in children than in adults. Nasal carriers may be divided into persistent carriers with high risk of infection and intermittent or noncarriers with low risk of infection [2]. It was reported that, among healthy adults, ...

PT. Kharisma Sejahtera adalah salah satu perusahaan yang menjual mobil hasil produksi Daihatsu dan dikenal sebagai dealer favorit terpercaya, khususnya di daerah Bojonegoro melayani calon pembelidan service. Tujuan penelitian ini menganalisis meningkatkan kualitas layanan untuk memuaskan pembeli dengan integrasi metode Servqual, Kano, Quality Function Deployment. Hasil Servqual menunjukkan bahw...

BACKGROUND Vulvovaginal candidiasis (VVC) remains a common problem worldwide and the role of douching as a predisposing factor is unclear. AIM This study was undertaken to highlight the prevalence and predisposing factors of VVC in North-west Nigeria. SUBJECTS AND METHODS This was a prospective study done at Aminu Kano Teaching Hospital (AKTH), North-west. AKTH is a 500-bed tertiary hospita...

The study was carried out to evaluate the physical facilities of four major abattoirs in North-western states of Nigeria these are: Mayanka abattoir in Kano, Kara abattoir in Sokoto, Zango abattoir Zaria and Kawo abattoir in Kaduna. The facilities of these abattoirs were evaluated based on their presence and functional status. Pictures were taken using digital camera to document conditions of t...

Metal workers in urban Kano constitute a major workforce with a considerable population. The present work was aimed at obtaining baseline data on the extent of metal ion concentration in body fluids (urine and blood) of sampled population in the area. The investigation involves interaction with sampled population as well as blood and urine sample collection for heavy metals analysis. The health...

A logistics customer service model is a critical competitive advantage that enhances both customer satisfaction and firm performance. Researchers have developed several models for assessing customer requirements, measuring product performance, and positioning products. However, handling customers’ linguistic preferences and uncertain product attributes remain significant and unresolved problems...

BACKGROUND Chlamydia trachomatis is the most common bacterial sexually transmitted disease in the world with severe complications. The aim of this study was to determine the prevalence and possible risk factors of C. trachomatis in Kano. There is dearth of information on this subject in this locality. METHOD Urine samples, Endocervical swabs and Urethral swab were collected from consecutive p...