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| 1 | Optimizing electrocoagulation process for the treatment of biodiesel wastewater using response surface methodology显示文摘The production of biodiesel through a transesterification method produces a large amount of wastewater that contains high levels of chemical oxygen demand (COD) and oil and grease (O&G). Currently, flotation is the conventional primary treatment for O&G removal prior to biological treatments. In this study, electrocoagulation (EC) was adopted to treat the biodiesel wastewater. The effects of initial pH, applied voltage, and reaction time on the EC process for the removal of COD, O&G, and suspended solids (SS) were investigated using one factor at a time experiment. Furthermore, the Box-Behnken design, an experimental design for response surface methodology (RSM), was used to create a set of 15 experimental runs needed for optimizing of the operating conditions. Quadratic regression models with estimated coefficients were developed to describe the pollutant removals. The experimental results show that EC could effectively reduce COD, O&G, and SS by 55.43%, 98.42%, and 96.59%, respectively, at the optimum conditions of pH 6.06, applied voltage 18.2 V, and reaction time 23.5 min. The experimental observations were in reasonable agreement with the modeled values. | Orathai Chavalparit Maneerat Ongwandee | 2009 | Journal of Environmental Sciences2009,21,11: | 12 |
| 2 | Increased osteopontin and liver stiffness measurement by transient elastography in biliary atresia显示文摘AIM: To analyze plasma osteopontin levels and liver stiffness using transient elastography in postoperative biliary atresia (BA) children compared with healthy controls. METHODS: Thirty children with postoperative BA and 10 normal controls were enrolled. The patients were categorized into two groups according to their jaundicestatus. Plasma levels of osteopontin were determined using commercially available enzyme-linked immunosorbent assay. Liver stiffness was measured by using transient elastography (Fibroscan). Ten validated Fibroscan measurements were performed in each patient and control with the result expressed in kilopascals (kPa). RESULTS: Plasma osteopontin was significantly elevated in BA children compared with that of healthy controls (47.0 ± 56.4 ng/mL vs 15.1 ± 15.0 ng/mL, P = 0.01). The liver stiffness measurement was markedly elevated in the patients with BA compared with that of controls (26.9 ± 24.6 kPa vs 3.9 ± 0.7 kPa, P = 0.001). Subgroup analysis showed that the BA patients with jaundice had more pronounced plasma osteopontin levels than those without jaundice (87.1 ± 61.6 ng/mL vs 11.9 ± 6.1 ng/mL, P = 0.001). Furthermore, the mean liver stiffness was significantly greater in the jaundiced BA patients compared with non-jaundiced patients (47.7 ± 21.8 kPa vs 8.7 ± 3.0 kPa, P = 0.001). Additionally, plasma osteopontin was positively related to serum total bilirubin (r = 0.64, P < 0.001). There was also a correlation between plasma osteopontin and liver stiffness values (r = 0.60, P < 0.001). CONCLUSION: High plasma osteopontin positively correlated with degree of hepatic fibrosis and could be used as a biochemical parameter reflecting disease severity in postoperative BA children. | Sittisak Honsawek Maneerat Chayanupatkul Voranush Chongsrisawat Paisarn Vejchapipat Yong Poovorawan | 2010 | World Journal of Gastroenterology2010,16,43: | 8 |
| 3 | Effect of high-pressure homogenization on stability of emulsions containing zein and pectin显示文摘The aim of this study was to investigate the effect of high-pressure homogenization on the droplet size and physical stability of different formulations of pectin–zein stabilized rice bran oil emulsions. The obtained emulsions, both before and after passing through highpressure homogenizer, were subjected to stability test under environmental stress conditions,that is, temperature cycling at 4 °C/40 °C for 6 cycles and centrifugal test at 3000 rpm for 10 min. Applying high-pressure homogenization after mechanical homogenization caused only a small additional decrease in emulsion droplet size. The droplet size of emulsions was influenced by the type of pectin used;emulsions using high methoxy pectin(HMP) were smaller than that using low methoxy pectin(LMP). This is due to a greater emulsifying property of HMP than LMP. The emulsions stabilized by HMP–zein showed good physical stability with lower percent creaming index than those using LMP, both before and after passing through high-pressure homogenizer. The stability of emulsions after passing through high-pressure homogenizer was slightly higher when using higher zein concentration, resulting from stronger pectin–zein complexes that could rearrange and adsorb onto the emulsion droplets. | Maneerat Juttulapa Suchada Piriyaprasarth Hirofumi Takeuchi Pornsak Sriamornsak | 2017 | Asian Journal of Pharmaceutical Sciences2017,12,1: | 6 |
| 4 | Alcoholic hepatitis: A comprehensive review of pathogenesis and treatment显示文摘Alcoholic hepatitis(AH)is an acute hepatic inflammation associated with significant morbidity and mortality.Current evidence suggests that the pathogenesis is the end result of the complex interplay between ethanol metabolism,inflammation and innate immunity.Several clinical scoring systems have been derived to predict the clinical outcomes of patients with AH;such as Child-Turcotte-Pugh score,the Maddrey discriminant function,the Lille Model,the model for end stage liver disease scores,and the Glasgow alcoholic hepatitis score.At present,Corticosteroids or pentoxifylline are the current pharmacologic treatment options;though the outcomes from the therapies are poor.Liver trans-plantation as the treatment of alcoholic hepatitis remains controversial,and in an era of organ shortage current guidelines do not recommend transplantation as the treatment option.Because of the limitations in the therapeutic options,it is no doubt that there is a critical need for the newer and more effective pharmacological agents to treat AH. | Maneerat Chayanupatkul Suthat Liangpunsakul | 2014 | World Journal of Gastroenterology2014,20,20: | 5 |
| 5 | Curcumin prevents indomethacin-induced gastropathy in rats显示文摘AIM:To investigate the effects of curcumin on gastric microcirculation and inflammation in rats with indomethacin-induced gastric damage.METHODS:Male Sprague-Dawley rats were randomly divided into three groups.Group 1(control group,n =5)was fed with olive oil and 5%NaHCO3-(vehicle).Group 2[indomethacin(IMN)group,n=5]was fed with olive oil 30 min prior to indomethacin 150 mg/kg body weight(BW)dissolved in 5%NaHCO3-at time 0th and 4th h.Group 3(IMN+Cur group,n=4)was fed with curcumin 200 mg/kg BW dissolved in olive oil 0.5 mL,30 min prior to indomethacin at 0th and 4th h.Leukocyte-endothelium interactions at postcapillary venules were recorded after acridine orange injection.Blood samples were determined for intercellular adhesion molecule(ICAM)-1 and tumor necrosis factor(TNF)-αlevels using enzyme linked immunosorbent assay method.Finally,the stomach was removed for histopathological examination for gastric lesions and grading for neutrophil infiltration.RESULTS:In group 2,the leukocyte adherence in postcapillary venules was significantly increased compared to the control group(6.40±2.30 cells/frame vs 1.20±0.83 cells/frame,P=0.001).Pretreatment with curcumin caused leukocyte adherence to postcapillary venule to decline(3.00±0.81 cells/frame vs 6.40 ±2.30 cells/frame,P=0.027).The levels of ICAM-1 and TNF-αincreased significantly in the indomethacintreated group compared with the control group(1106.50 ±504.22 pg/mL vs 336.93±224.82 pg/mL,P=0.011 and 230.92±114.47 pg/mL vs 47.13±65.59 pg/mL,P =0.009 respectively).Pretreatment with curcumin significantly decreased the elevation of ICAM-1 and TNF-α levels compared to treatment with indomethacin alone(413.66±147.74 pg/mL vs 1106.50±504.22 pg/mL,P =0.019 and 58.27±67.74 pg/mL vs 230.92±114.47 pg/mL,P=0.013 respectively).The histological appearance of the stomach in the control group was normal.In the indomethacin-treated group,the stomachs showed a mild to moderate neutrophil infiltration score.Gastric lesions were erosive and ulcerative.In rats treated with indomethacin and curcumin,stomach histopathology improved and showed only a mild neutrophil infiltration score and fewer erosive lesions in the gastric mucosa.CONCLUSION:The results indicate that curcumin prevents indomethacin-induced gastropathy through the improvement of gastric microcirculation by attenuating the level of ICAM-1 and TNF-α. | Duangporn Thong-Ngam Sakonwan Choochuai Suthiluk Patumraj Maneerat Chayanupatkul Naruemon Klaikeaw | 2012 | World Journal of Gastroenterology2012,18,13: | 3 |
| 6 | Antimalarial, antimycobacterialandcytotoxiclimonoids from Chis- ocheton siamensis显示文摘 | MANEERAT W LAPHOOKHIEO S KOYSOMBOON S | 2008 | Phytomedicine2008,15,12: | 1 |
| 7 | Antimalarial, antimycobacterial and cytotoxic limonoids from Chisocheton siamensis 显示文摘 | Maneerat W Laphookhieo S Koysomboon S | 2008 | Phytomedicine2008,15,12: | 1 |
| 8 | Expression of pro-inflammatory protein,iNOS,VEGF and COX-2 in oral squamous cell carcinoma (OSCC),relationship with angiogenesis and their clinico-pathological correlation显示文摘 | Sappayatosok K Maneerat Y Swasdison S | 2009 | Med Oral Pato O-ral Cir Bucal2009,14,7: | 1 |
| 9 | Antifungal activity of TiO2 photocatalysis against Penieillium expansum in vitro and in fruit tests显示文摘 | Chamorn Maneerat Yasuyoshi Hayata | 2006 | Food microbiology2006,107,: | 1 |
| 10 | Antimalarial, antimycobacterial and cytotoxic limonoids from Chisocheton siamensis 显示文摘 | Maneerat W Laphookhieo S Koysomboon S | 2008 | Phytmnedicine2008,1512,: | 1 |
| 11 | Evaluation of aroma compounds contributing to muskmelon flavor in Porapak Q extracts by aroma extract dilution analysis显示文摘 | HAYATA Y SAKAMOTO T MANEERAT C | 2003 | Journal of Agricultural and Food Chemistry2003,51,11: | 1 |
| 12 | Construction of Single-Chain Variable Fragment (scFv) Specific to Cucumber Mosaic Virus by Phage Display Technology显示文摘 | KOOHAPITAGTAM Maneerat RUNGPRAGAYPHAN Suang HONGPRAYOON Ratchanee | 2009 | Kasetsart J (Nat Sci)2009,,43: | 1 |
| 13 | Virulence Genes and Genetic Diversity of Streptococcus suis S-erotype 2 Isolates from Thailand显示文摘 | Maneerat K Yongkiettrakul S Tongtawe P | 2013 | Transboundary and Emerging Diseases2013,60,2: | 1 |
| 14 | Electron-microscopic examination of Rickettsia tsutsugamushi-infected human liver显示文摘 | Pongponratn E Maneerat Y Chaisri U | 1998 | Trop Med Int Health1998,3,3: | 1 |
| 15 | Antima- larial, antimycobacterial and cytotoxic limonoids from Chis- ocheton siamensis 显示文摘 | Maneerat W Laphookhieo S Koysomboon S | 2008 | Phytomedicine2008,15,12: | 1 |
| 16 | Sensitivity and specificity of mean corpuscular volume testing for screening forα-thalassemia-1 andβ-thalassemia traits显示文摘 | Sirichotiyakul S Maneerat J Sa-nguansermsri T | 2005 | J Obstet Gynaecol Res2005,31,3: | 1 |
| 17 | Experimental infection of the laboratory rat with the hepatitis E virus显示文摘 | Maneerat Y Clayson ET Myint KS | 1996 | J Med Virol1996,48,2: | 1 |
| 18 | Photocatalytic reaction of TiO2 to decompose ethylene in fruit and vegetable storage显示文摘 | Maneerat C Hayata Y Egashira N | 2003 | Transactions of the ASAE2003,46,3: | 1 |
| 19 | Antimalarial, antimycobacterial and cytotoxic limonoids from chisocheton sia- mensis 显示文摘 | Maneerat W Laphookhieo S Koysomboon S | 2008 | Phytomedicine2008,5,4: | 1 |
| 20 | Immobilization of TiO2 nanoparticles on polymeric substrates by using electrostatic interaction in the aqueous phase 显示文摘 | Matsuzawa S Maneerat C Hayata Y | 2008 | Applied Catalysis B: Environmental2008,83,: | 1 |