15 results match your criteria: "Prince of Songkla University - Phuket[Affiliation]"

In today's corporate world, a company's long-term viability and prosperity depend on its corporate governance practices. The present study investigates the interplay between financial misrepresentation, earnings management, and corporate governance within the context of Pakistan. To estimate the financial data of enterprises obtained from non-financial organizations listed on the Pakistan Stock Exchange a panel regression analysis was conducted.

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The Body Appreciation Scale-2 (BAS-2) is a widely used measure of a core facet of the positive body image construct. However, extant research concerning measurement invariance of the BAS-2 across a large number of nations remains limited. Here, we utilised the Body Image in Nature (BINS) dataset - with data collected between 2020 and 2022 - to assess measurement invariance of the BAS-2 across 65 nations, 40 languages, gender identities, and age groups.

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This study deals with haze characteristics under the influence of the cold surge and sea breeze for Greater Bangkok (GBK) in 2017-2022, including haze intensity and duration, meteorological classification for haze, and the potential effects of secondary aerosols and biomass burning. A total of 38 haze episodes and 159 haze days were identified. The episode duration varies from a single day to up to 14 days, suggesting different pathways of its formation and evolution.

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In this study, the environmental fate of carcinogenic polycyclic aromatic hydrocarbons (PAHs) in tropical lake sediments and their potential sources have been discussed. 15 PAHs (i.e.

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Spectrofluorometric Insights into the Application of PAM Fluorometry in Photosynthetic Research.

Photochem Photobiol

September 2021

ANED (Andaman Environment and Natural Disaster Research Centre), Faculty of Technology and Environment, Prince of Songkla University-Phuket, Phuket, Thailand.

Although pulse amplitude modulation (PAM) fluorometry has revolutionized photosynthetic studies, Photosynthetic Electron Transport Rate (ETR) cannot be measured using PAM technology in some organisms. We compare in vivo absorbance information on a selection of photosynthetic organisms using an integrating sphere spectrophotometry on a variety of oxygenic and nonoxygenic photo-organisms and provide fluorescence data to help in understanding why PAM technology is unsuccessful on some organisms, particularly cyanobacteria. The study includes anoxygenic photosynthetic bacteria: Afifella marina, Rhodopseudomonas palustris and Thermochromatium which are all RC-2 type photosynthetic bacteria (Bacteriochlorophyll a or BChl a) which are known to have measureable delayed fluorescence, Yield and hence measureable ETR.

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Photosynthetic electron transport rate (ETR) in the littoral herb Launaea sarmentosa known as mole crab in Thailand.

Photosynth Res

December 2021

Faculty of Technology and Environment and ANED (Andaman Environment and Natural Disaster Research Centre), Prince of Songkla University-Phuket, Kathu, 83120, Phuket, Thailand.

Launaea sarmentosa (Willd.) Sch. Bip ex Kunze (Asteracaeae) is a littoral sand dune herb found in the Indian Ocean region, used as a folk medicine and as a savory vegetable in Thailand.

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Background: As of 24th of August 2020, the number of global COVID-19 confirmed cases is nearly 24 million. In the same period, the number of recorded infections in Thailand has remained at approximately 3300. This paper explores the specifics of COVID-19 or SARS-CoV-2 transmissions in Phuket, Thailand's second most visited tourist destination.

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Photosynthesis in a Vanda sp orchid with Photosynthetic Roots.

J Plant Physiol

August 2020

Tropical Plant Biology Unit, Faculty of Technology and Environment, Prince of Songkla University - Phuket, Kathu, Phuket 83120, Thailand. Electronic address:

PAM fluorometry showed that the orchid Vanda sp (Gaud ex Pfitzers, Vandeae) had photosynthetic electron transport yields in leaves reaching ≈ 0.617 ± 0.262 at midday.

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We used the Weather Research and Forecasting Model coupled with Chemistry (WRF-Chem) to simulate elemental carbon (EC) concentrations in Thailand in 2017. The goals were to quantify the respective contributions of local emissions and regional transport outside Thailand to EC pollution in Thailand, and to identify the most effective emission control strategy for decreasing EC pollution. The simulated EC concentrations in Chiang Mai, Bangkok, and Phuket were comparable with the observation data.

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Functional reassessment of the phosphate-specific chemosensors revealed their potential as arsenate detectors. A series of dipicolylamine (Dpa)-Zn chemosensors were screened, among which acridine Dpa-Zn chemosensor showed the highest capability in sensing arsenate. The presence of excess Zn improved sensitivity and strengthened the binding between acridine Dpa-Zn complex to arsenate as well as phosphate.

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Arsenic toxicity in the water weed Wolffia arrhiza measured using Pulse Amplitude Modulation Fluorometry (PAM) measurements of photosynthesis.

Ecotoxicol Environ Saf

October 2016

Chemi Nano Biotech, Department of Biotechnology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand. Electronic address:

Accumulation of arsenic in plants is a serious South-east Asian environmental problem. Photosynthesis in the small aquatic angiosperm Wolffia arrhiza is very sensitive to arsenic toxicity, particularly in water below pH 7 where arsenite (As (OH)3) (AsIII) is the dominant form; at pH >7 AsO4(2-) (As(V) predominates). A blue-diode PAM (Pulse Amplitude Fluorometer) machine was used to monitor photosynthesis in Wolffia.

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Traditional Chinese and Thai medicine in a comparative perspective.

Complement Ther Med

December 2015

Faculty of International Studies, Prince of Songkla University (Phuket Campus), 80 Moo 1, Vichitsongkram Rd., Kathu, Phuket 83120 Thailand. Electronic address:

The work presented in this paper compares traditional Chinese medicine and traditional Thai medicine, expounding on origins, academic thinking, theoretical system, diagnostic method and modern development. Based on a secondary analysis of available literature, the paper concentrates on two crucial historical developments: (1) the response to, and consequences of, the impact of the Western medicine; and (2) the revival of traditional medicine in these two countries and its prospects. From a comparative perspective, the analysis has led to the conclusion that the rise and fall of traditional medicine is an issue closely related with social and political issues; and the development of traditional medicines requires national policy and financial support from governments, human resource development, the improvement of service quality, and the dissemination of traditional medicine knowledge to the public.

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A probabilistic risk assessment of the selected herbicides (diuron and prometryn) in the Gwydir River catchment was conducted, with the input of the EC₅₀ values derived from both literature and a novel bioassay. Laboratory test based on growth of algae exposed to herbicides assayed with a microplate reader was used to examine the toxicity of diuron and prometryn on the growth of Chlorella vulgaris. Both herbicides showed concentration dependent toxicity in inhibiting the growth of Chlorella during the exposure period of 18-72 h.

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Photosynthetic bacteria are attractive for biotechnology because they produce no oxygen and so H2 -production is not inhibited by oxygen as occurs in oxygenic photoorganisms. Rhodopseudomonas palustris and Afifella marina containing BChl a can use irradiances from violet near-UV (VNUV) to orange (350-650 nm) light and near-infrared (NIR) light (762-870 nm). Blue diode-based pulse amplitude modulation technology was used to measure their photosynthetic electron transport rate (ETR).

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The ammonia transport, retention and futile cycling problem in cyanobacteria.

Microb Ecol

January 2013

Faculty of Technology & Environment, Prince of Songkla University-Phuket Campus, Kathu, Phuket, 83120, Thailand.

Ammonia is the preferred nitrogen source for many algae including the cyanobacterium Synechococcus elongatis (Synechococcus R-2; PCC 7942). Modelling ammonia uptake by cells is not straightforward because it exists in solution as NH(3) and NH (4) (+) . NH(3) is readily diffusible not only via the lipid bilayer but also through aquaporins and other more specific porins.

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