Perception and reaction of Nanyang Technological University (NTU) researchers to different forms of research integrity education modality.

Background: Research and academic institutions use various delivery channels to deliver Research Integrity (RI) education in their communities. Yet there is no consensus on the best delivery method and the effectiveness of these channels in inculcating a positive RI culture varies across institutions. Hence, this study aimed to understand the preferences of the research community in Nanyang Technological University (NTU), Singapore.

Seasonal variation of chemical characteristics of fine particulate matter at a high-elevation subtropical forest in East Asia.

The aim of this study was to chemically characterize the fine particulate matter (PM) at a subtropical forest in East Asia under the influences of anthropogenic and biogenic sources and a complex topographic setting. Four seasonal campaigns were conducted at the Xitou Experimental Forest in central Taiwan from the winter of 2013 to the autumn of 2014. The results indicated that the ambient levels and chemical features of PM exhibited pronounced seasonal variations.

Impact of anthropogenic emissions and open biomass burning on regional carbonaceous aerosols in South China.

Carbonaceous aerosols were studied at three background sites in south and southwest China. Hok Tsui in Hong Kong had the highest concentrations of carbonaceous aerosols (OC=8.7±4.

Comparing polybrominated diphenyl ethers (PBDEs) in airborne particles in Guangzhou and Hong Kong: sources, seasonal variations and inland outflow.

The historical application/usage and management of chemicals in Hong Kong have been distinctively different from mainland China. In the present study, polybrominated diphenyl ethers (PBDEs) were measured in year-round atmospheric particle samples collected from urban Hong Kong and Guangzhou for comparison. The concentrations of BDE-209 and Sigma9PBDEs (defined as the sum of BDE-28, -47, -66, -100, -99, -154, -153, -138 and -183) in Guangzhou ranged from 758 to 21,900 pg m(-3) and from 31.

Seven thousand years of records on the mining and utilization of metals from lake sediments in central China.

A 268 cm section of sediment core from Liangzhi Lake in Hubei province in central China was used to assess the use and accumulation of metals in the lake in the past 7,000 years. The concentrations of trace metals, including Cu, Pb, Ni, and Zn, and major elements, Ca, Fe, and Mg, in a 14C- dated segment of sediment core were analyzed. Historical trends on the input of metals to Liangzhi Lake from around 5000 BC to the present were recorded in the sediments, representing about 7,000 years of history on the mining and utilization of metals in central China.

Passive air sampling of DDT, chlordane and HCB in the Pearl River Delta, South China: implications to regional sources.

The Pearl River Delta (PRD) is one of the largest fast-developing economic zones in China. Hong Kong and the mainland part of the PRD differed in socio-economic development history and chemical management policies. Polyurethane foam (PUF)-passive air sampling (PAS) was deployed at 21 regional air quality monitoring stations across the PRD in summer and winter, respectively.