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Air quality improvement during covid-19 lockdown in bangkok metropolitan, thailand: Effect of the long-range transport of air pollutants

Wetchayont P.; Hayasaka T.; Khatri P. (2021)

Lockdown measures have been adopted in many countries worldwide due to the onset of the COVID-19 pandemic, including in Thailand. Air quality improvements with regard to restrictions of daily movement among Bangkok people ...
Blue zircon from Ratanakiri, Cambodia

Zeug M.; Nasdala L.; Wanthanachaisaeng B.; Balmer W.A.; Corfu F.; Wildner M. (2018)

Zircon from Ratanakiri Province, north-eastern Cambodia, is well known in the gem trade for its vivid blue colour that results from heat treatment. The untreated brown material turns blue under reducing conditions at ...
Economical lipid production from crude glycerol using Rhodosporidiobolus fluvialis DMKU-RK253 in a two-stage cultivation under non-sterile conditions

Polburee P.; Limtong S. (2020)

To enhance the microbial lipid production through Rhodosporidiobolus fluvialis DMKU-RK253, a two-stage cultivation process with a focus on cost reduction was developed. Low-cost raw materials, which are biodiesel-derived ...
Enantioseparation of (S)-amlodipine from pharmaceutical wastewater by hollow-fiber supported liquid membrane: Central composite design and optimization

Sunsandee N.; Kunthakudee N.; Chutvirasakul B.; Phatanasri S.; Ramakul P. (2017)

The enantioseparation of (S)-amlodipine and (R)-amlodipine from pharmaceutical wastewater by hollow fiber supported liquid membrane was examined. The pH effects of feed solution, concentration of (+)-DBTA, temperature and ...
Multiplex PCR development for the simultaneous and rapid detection of two pathogenic flukes, Dactylogyrus spp. and Centrocestus formosanus, in ornamental fishes

Jaruboonyakorn P.; Tejangkura T.; Chontananarth T. (2022)

Both monogenean Dactylogyrus spp. and digenean Centrocestus formosanus are major pathogens for aquaculture and the fish industry, especially in goldfish (Carassius auratus). The resulting infections in the fish cause ...
Optimization of As(V) adsorption on Fe-RH-MCM-41-immobilized GAC using Box-Behnken Design: Effects of pH, loadings, and initial concentrations

Wantala K.; Khongkasem E.; Khlongkarnpanich N.; Sthiannopkao S.; Kim K.-W. (2012)

This work focused on the removal from water of arsenate in the 100 to 500. μg/L range using Fe-RH-MCM-41 immobilized on GAC by a colloidal impregnation method. A Response Surface Method (RSM) based on the Box-Behnken Design ...
Partial characterization of indigo (Polygonum tinctorium Ait.) plant seeds and leaves

Heo B.-G.; Jang H.-G.; Cho J.Y.; Namiesnik J.; Jastrzebski Z.; Vearasilp K.; González-Aguilar G.; Martinez-Ayala A.L.; Suhaj M.; Gorinstein S. (2013)

The aim of this study was to assess the contents of indigo's bioactive compounds, its antioxidant and anticancer activities in acetone, hexane and DMSO extracts and to compare the overall bioactivity with another more used ...
Toxic compounds biodegradation and toxicity of high strength wastewater treated under elevated nitrogen concentration in the activated sludge and membrane bioreactor systems

Boonnorat J.; Boonapatcharoen N.; Prachanurak P.; Honda R.; Phanwilai S. (2017)

This research has assessed the removal efficiencies of toxic compounds in the high strength wastewater (the leachate and agriculture wastewater mixture) using the activated sludge (AS) and membrane bioreactor (MBR) ...
Trihalomethanes in water supply system and water distribution networks

Sriboonnak S.; Induvesa P.; Wattanachira S.; Rakruam P.; Siyasukh A.; Pumas C.; Wongrueng A.; Khan E. (2021)

The formation of trihalomethanes (THMs) in natural and treated water from water supply systems is an urgent research area due to the carcinogenic risk they pose. Seasonal effects and pH have captured interest as potential ...

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