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The authors report on a study of visual privacy, family intimacy, and building elements of two-storey low-cost terrace housing in an urban area in Malaysia. They examine behavioural and physical regulating mechanisms used to achieve privacy among Malay Muslim inhabitants of the housing units studied. They also look at the consequences of the lack of privacy on the inhabitants over a period of time. Their findings support the premise that cultural values influence housing and that religious understanding influences mechanisms used to regulate visual privacy and intimacy.

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The removal of Malachite green (MG) from aqueous solutions by cross-linked chitosan coated bentonite (CCB) beads was investigated and the CCB beads were characterized by Fourier Transform Infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD) analysis. Solubility and swelling tests were performed in order to determine the stability of the CCB beads in acidic solution, basic solution and distilled water. The amount of MG adsorbed was shown to be influenced by the initial pH of the solution, contact time and the initial MG concentration. A kinetic study indicated that a pseudo-second-order model agreed well with the experimental data. From the Langmuir isotherm model, the maximum adsorption capacity of MG was found to be 435.0 mg g -1 . Desorption tests were carried out at different concentrations of EDTA, H 2 SO 4 and NaOH. However, all desorbing solutions showed zero recovery of MG at all concentrations.

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