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Publication Metadata only A reagent-free SIA module for monitoring of sugar, color and dissolved CO2content in soft drinks(2010-05-01) S. Teerasong; S. Chan-Eam; K. Sereenonchai; N. Amornthammarong; N. Ratanawimarnwong; D. Nacapricha; Mahidol University; Flow Innovation-Research for Science and Technology Laboratories (FIRST Labs.; National Oceanic and Atmospheric Administration; Srinakharinwirot University. Detection of the light reflection at the liquid interface (the schlieren effect) of sucrose and water was utilized for sucrose content measurement. A near infrared LED (890±40nm) was chosen as the light source to ensure that all the ingredients and dyes...2during production. For measuring the color, the sample is segmented between air plugs to avoid dispersion. An RGB-LED was chosen as the light source in order to make this module applicable to a wide range of colored samples. The module also has aPublication Metadata only Production of carbazole alkaloids through callus and suspension cultures in Clausena harmandiana(2018-01-01) Tharita Kitisripanya; Manus Laoburee; Luksami Puengsiricharoen; Pukpicha Pratoomtong; Supawadee Daodee; Jinda Wangboonskul; Waraporn Putalun; Khon Kaen University; Mahidol University; Thammasat University© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group. Carbazole alkaloids are major constituents in Clausena spp. and exhibit a wide range of biological activities. The roots of Clausena harmandiana are a rich source of active... carbazole alkaloids. However, its roots take several years to grow to be able to harvest. To obtain an alternative source of carbazole alkaloids, in vitro callus cultures of C. harmandiana were induced, and the formation of two active carbazole alkaloidsPublication Metadata only Flavivirus maturation leads to the formation of an occupied lipid pocket in the surface glycoproteins(2021-12-01) Max Renner; Wanwisa Dejnirattisai; Loïc Carrique; Itziar Serna Martin; Dimple Karia; Serban L. Ilca; Shu F. Ho; Abhay Kotecha; Jeremy R. Keown; Juthathip Mongkolsapaya; Gavin R. Screaton; Jonathan M. Grimes; Siriraj Hospital; Diamond Light Source; The Wellcome Centre for Human Genetics; Bijvoet Centre for Biomolecular Research; Nuffield Department of MedicineFlaviviruses such as Dengue (DENV) or Zika virus (ZIKV) assemble into an immature form within the endoplasmatic reticulum (ER), and are then processed by furin protease in the trans-Golgi. To better grasp maturation, we carry out cryo-EM reconstructions of immature Spondweni virus (SPOV), a human flavivirus of the same serogroup as ZIKV. By employing asymmetric localised reconstruction we push the resolution to 3.8 Å, enabling us to refine an atomic model which includes the crucial furin protease recognition site and a conserved Histidine pH-sensor. For direct comparison, we also solve structures of the mature forms of SPONV and DENV to 2.6 Å and 3.1 Å, respectively. We identify an ordered lipid that is present in only the mature forms of ZIKV, SPOV, and DENV and can bind as a consequence of rearranging amphipathic stem-helices of E during maturation. We propose a structural role for the pocket and suggest it stabilizes mature E.Publication Metadata only Native-like SARS-CoV-2 Spike Glycoprotein Expressed by ChAdOx1 nCoV-19/AZD1222 Vaccine(2021-04-28) Yasunori Watanabe; Luiza Mendonça; Elizabeth R. Allen; Andrew Howe; Mercede Lee; Joel D. Allen; Himanshi Chawla; David Pulido; Francesca Donnellan; Hannah Davies; Marta Ulaszewska; Sandra Belij-Rammerstorfer; Susan Morris; Anna Sophia Krebs; Wanwisa Dejnirattisai; Juthathip Mongkolsapaya; Piyada Supasa; Gavin R. Screaton; Catherine M. Green; Teresa Lambe; Peijun Zhang; Sarah C. Gilbert; Max Crispin; Siriraj Hospital; NIHR Oxford Biomedical Research Centre; Diamond Light Source; The Wellcome Centre for Human Genetics; University of Oxford; University of Southampton; Nuffield Department of Medicine; University of Oxford Medical Sciences DivisionVaccine development against the SARS-CoV-2 virus focuses on the principal target of the neutralizing immune response, the spike (S) glycoprotein. Adenovirus-vectored vaccines offer an effective platform for the delivery of viral antigen, but it is important for the generation of neutralizing antibodies that they produce appropriately processed and assembled viral antigen that mimics that observed on the SARS-CoV-2 virus. Here, we describe the structure, conformation, and glycosylation of the S protein derived from the adenovirus-vectored ChAdOx1 nCoV-19/AZD1222 vaccine. We demonstrate native-like post-translational processing and assembly, and reveal the expression of S proteins on the surface of cells adopting the trimeric prefusion conformation. The data presented here confirm the use of ChAdOx1 adenovirus vectors as a leading platform technology for SARS-CoV-2 vaccines.Publication Metadata only Synthesis, characterization, and catalytic activity of nitrogen and iron(III) co-doped TiO2(2013-04-01) Patsaya Songkhum; Jonggol Tantirungrotechai; Mahidol UniversityThe nitrogen and iron(III) co-doped TiO2(N-Fe-TiO2) samples were synthesized via modified sol-gel method by using alkyl amine as both nitrogen source and pore directing agent. Morphologies and properties of the co-doped TiO2samples were investigated... as well as hydroxyl and amine functional groups. The presence of Fe3+in N-Fe-TiO2sample was detected at g value of 2.00. In addition, the prepared samples were photocatalytically active for methyl orange degradation under UV light irradiationPublication Metadata only Reagent-free analytical flow methods for the soft drink industry: Efforts for environmentally friendly chemical analysis(2012-10-25) Thitirat Mantim; Phoonthawee Saetear; Saowapak Teerasong; Sumonmarn Chan-Eam; Kamonthip Sereenonchai; Natchanon Amornthammarong; Nuanlaor Ratanawimarnwong; Prapin Wilairat; Wanchai Meesiri; Kanchana Uraisin; Duangjai Nacapricha; Flow Innovation-Research for Science and Technology Laboratories (FIRST Labs.; Mahidol University; King Mongkut's Institute of Technology Ladkrabang; Thammasat University; National Oceanic and Atmospheric Administration; Srinakharinwirot University; Bangkok High Lab Co.", the sample plug flows out of the vaporization chamber into a colorimeter with a near-infrared/light-emitting diode (NIR/LED) as light source. The schlieren effect arises at the boundary of pure water and soft drink with refraction of light in proportionPublication Metadata only Automated in-chip kinetic-catalytic method for molybdenum determination(2014-01-01) Piyawan Phansi; Camelia Henríquez; Edwin Palacio; Duangjai Nacapricha; Víctor Cerdà; Flow Innovation-Research for Science and Technology Laboratories (FIRST Labs.; Mahidol University; Universitat de les Illes Balearsperoxide catalyzed by Mo (VI). Absorbance of the reaction product was measured at 465 nm. Two optical fibers were used to conduct the light, one from the source to the chip, and the other from the output of the cell to the spectrophotometer. The detectionItem Metadata only Mechanistic insights and management approaches in photocatalytic degradation of tetracycline antibiotic using zinc ferrite nanoparticles(2025-01-01) Khokhar M.F.; Bangfan L.; Abbas M.; Yasar M.; Abrar A.; Shifeta N.T.; Alzahrani K.J.; Alsharif K.F.; Xusinovna D.M.; Urazbaeva D.; Khokhar M.F.; Mahidol Universityin 30 min) with an 80 mg catalyst dosage (complete removal in 45 min). Under natural sunlight, complete tetracycline degradation was achieved in 30 min, demonstrating superior performance compared with artificial light sources.... visible-light irradiation (100 W, 105 min), the zinc-doped catalyst achieved 98% tetracycline degradation compared to 50% for the undoped material. The catalyst demonstrated broad-spectrum activity with degradation efficiencies of 85, 77, 65, and 48Publication Metadata only Microsecond-sustained lasing from colloidal quantum dot solids(2015-10-23) Michael M. Adachi; Fengjia Fan; Daniel P. Sellan; Sjoerd Hoogland; Oleksandr Voznyy; Arjan J. Houtepen; Kevin D. Parrish; Pongsakorn Kanjanaboos; Jonathan A. Malen; Edward H. Sargent; University of Toronto; Delft University of Technology; Carnegie Mellon University; Mahidol University© 2015 Macmillan Publishers Limited. All rights reserved. Colloidal quantum dots have grown in interest as materials for light amplification and lasing in view of their bright photoluminescence, convenient solution processing and size-controlled... operation has been thermal runaway: the combination of rapid heat injection from the pump source, poor heat removal and a highly temperature-dependent threshold. We show microsecond-sustained lasing, achieved by placing ultra-compact colloidal quantum dotPublication Metadata only Dual-Purpose Photometric-Conductivity Detector for Simultaneous and Sequential Measurements in Flow Analysis(2020-05-13) Thitirat Mantim; Korbua Chaisiwamongkhol; Kanchana Uraisin; Peter C. Hauser; Prapin Wilairat; Duangjai Nacapricha; Universitat Basel; Mae Fah Luang University; Mahidol University; Srinakharinwirot University; Flow Innovation-Research for Science and Technology Laboratories (FIRST Labs.)coupled contactless conductivity detector (C4D). The flow-through detection cell is a rectangular acrylic block (ca. 2 × 2 × 1.5 cm) with cylindrical channels in Z-configuration. For the PEDD detector, the LED light source and detector are installed inside
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