Browsing Faculty of Science by Title
Now showing items 81-100 of 1231
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Deep Learning Structure for Thai Vowel Pronunciation Recognition
Collection: Theses (Ph.D) - Information Technology and Digital Innovation / ดุษฎีนิพนธ์ - เทคโนโลยีสารสนเทศและนวัตกรรมดิจิทัลType: Thesis(Silpakorn University, 4/7/2023)Effective and proper pronunciation is essential to pronounce words correctly. Practicing Thai vowel pronunciation is difficult for non-native speakers to understand on their own. Experts are required to provide guidance. ... -
Deep Question Classifier and Explainable AI for Detection of Potential Problems in Training Data
Collection: Theses (Master's degree) - Information Technology and Digital Innovation / วิทยานิพนธ์ - เทคโนโลยีสารสนเทศและนวัตกรรมดิจิทัลType: Thesis(Silpakorn University, 24/11/2023)Currently, the processing of natural language holds diverse applications with distinct limitations. A common issue in specialized tasks is the limited availability of data, necessitating the search for appropriate models ... -
DEPLETION OF SOLAR ULTRAVIOLET RADIATION BY AEROSOLS DURING CLEAR SKY CONDITIONS FROM DATA COLLECTED AT NAKHON PATHOM STATION AND STATISTICAL CHARACTERISTICS OF AEROSOLS FROM MEASURING STATIONS IN THAILAND
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 4/7/2023)In this work, depletion of solar ultraviolet (UV) radiation in wavelength between 260 - 400 nm by aerosols under clear sky conditions at Nakhon Pathom station (13.82 °N, 100.04 °E), a solar monitoring station in Thailand, ... -
Design and syntheses of visible and near-infrared fluorescent sensors for copper and fluoride ion detection
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/7/2019)Two novel fluorescence sensors were developed for detection of copper and fluoride ions. Sensors I composed of an aza-boron-dipyrromethene (aza-BODIPY) core as near-infrared (NIR) fluorophore covalently bound to two ... -
Design and Syntheses of Fluorescent Sensors based on [5]Helicene Derivatives for Determining Hazard Heavy Metals for the Environmental Protection
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/6/2020)Contaminations of hazard heavy metal ions in beverage, food, cosmetic, and environment can lead to various human health problems. Therefore, fluorescent sensors for hazard heavy metal ions with high sensitivity and selectivity ... -
Design and synthesis of novel silver fluorescent probe:Utilizations in batch, flow injection analysis and living cell imaging
Collection: Theses (Master's degree) - Chemistry / วิทยานิพนธ์ - เคมีType: Thesis(Silpakorn University, 12/7/2019)Metal ions are essential in all biological systems and they functions in many cellular enzymes. However, excessive accumulation of metal ions in the human body can be associated with many serious symptoms. Therefore, the ... -
DESIGN AND SYNTHESIS OF VISIBLE AND NEAR INFRARED FLUORESCENCE COMPOUNDS FOR HEAVY METALS SENSING AND PETROLEUM LABELING APPLICATIONS
Collection: Theses (Ph.D) - Chemistry / ดุษฎีนิพนธ์ - เคมีType: Thesis(Silpakorn University, 1/7/2022)In this thesis, five fluorescence compounds were designed and synthesized for heavy metal ions sensing and petroleum marker applications. The mercury sensor (S1) consisted of thioamide-[5]helicene appended with Schiff ... -
DESIGN AND SYNTHESIS OF VISIBLE AND NEAR-INFRARED FLUORESCENCE SENSORS FOR HEAVY METAL IONS SENSING AND APPLICATION AS A STRIP TEST USING ELECTROSPINNING TECHNIQUE
Collection: Theses (Ph.D) - Chemistry / ดุษฎีนิพนธ์ - เคมีType: Thesis(Silpakorn University, 1/7/2022)Two new fluorescence sensors were designed and synthesized. For the detection of Cu2+ using cyanine derivative offered the emission in the near-infrared (NIR) regions and the detection of Hg2+ using [5]helicene derivative ... -
DETECTION OF BLOODSTAINS COVERD WITH WHITE WATER-BASED PAINTSUSING LUMINOL AND BLUESTAR METHODS
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 2/7/2021)Bloodstains are important physical evidence generally found in violent crimes. However, in some cases the perpetrators may apply paints to concealed the evidence of bloodstains deposited on different types of surface. ... -
Detection of bloodstains on various soil surfaces by luminol test
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 24/11/2023)Bloodstains are important physical evidence normally found in crime scene. The objective of this research was to study the persistence of bloodstains on soil surfaces by using the luminol test. Initially, one drop of blood ... -
Detection of Foundation Cream on Cotton Fabric by Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR)
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 28/6/2024)Foundation cream is a cosmetic product that is commonly used by Thai people today. Traces of Foundation cream may be found on various different surfaces in the crime scene. In this research, Attenuated Total Reflectance ... -
Detection of human blood stain on shoes soles after washing with toilet cleaner by Luminol and Phenolphthalein methods
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 25/11/2022)Bloodstains are important forensic evidence normally found in serious crimes. The objective of this work is to investigate into the utilization of phenolphthalein and luminol methods in the persistence of bloodstains on ... -
DETECTION OF HUMAN BLOODSTAINS ON VARIOUS TYPES OFSHOE SOLES BY THE METHODS OF PHENOLPHTHALEIN, LUMINOLAND FLUORESCEIN
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 12/7/2019)The objective of this work was to carry out a comparison study on the detection of human bloodstains deposited on different materials of shoe soles using phenolphthalein, luminol and fluorescein tests. Initially, the blood ... -
Detection of IGE against mite allergens using time-resolved fluoroimmunoassay
Collection: Theses (Master's degree) - Biology / วิทยานิพนธ์ - ชีววิทยาType: Thesis(มหาวิทยาลัยศิลปากร, 2010) -
Detection of latent figerprints on adhesive side of adhesive tapes by using black powder with dishwashing liquid
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 12/7/2019)Fingerprints are the important physical evidence often recovered from crime scenes. The sticky side of adhesive tapes is one of the most difficult surfaces to process for latent fingerprints. The objective of this research ... -
Detection of latent fingerprints on car parts and knifes submerged in water by using super-glue black powder and super-glue with black powder
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 17/8/2018)In this study, the evalution of fingerprints on the objects left in tap water and natural water was proposed. Black powder, superglue and the combination of black powder and superglue methods were developed as reagents for ... -
DETECTION OF LATENT FINGERPRINTS ON STONE
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 17/8/2018)This research is to investigate of fingerprint on 6 different types of stones such as Granite, Andesite, Gypsum, Congromorate, Limestone and Laterite ingneous rocks. The objective is to compare latent fingerprint examination ... -
Detection of latent fingerprints on the film of mobile phones that are submerged in water Using black powder, Cyanoacrylate, Small particle reagent and Rhodamine6G
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 2/7/2021)There are many types of forensic evidence. Which evidence of latent fingerprints is often found at the scenes, especially in the case of some evidence submerged in water, such as the case of the assailant dropping a mobile ... -
DETECTION OF LATENT FINGERPRINTS ON THERMAL PAPER USING THE METHOD OF HEAT APPLICATION
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 17/8/2018)Thermal paper is commonly used in printing of receipts and in facsimile machines. This study examined the effectiveness of heat application in the detection of latent fingerprints on thermal paper by using a typical ... -
Detection of nucleic acid of classical swine fever virus by reverse transcription loop-mediated isothermal amplification (RT-LAMP)
Collection: Theses (Master's degree) - Biology / วิทยานิพนธ์ - ชีววิทยาType: Thesis(มหาวิทยาลัยศิลปากร, 2010)