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Synthesis of Silica-Based Nanomaterials and their Applications In Fluorescent, Biological and Chemical Sensing = = Silika Nanomalzemelerin Sentezi ve Floresans Tabanli Biyolojik ve Kimyasal Sensor Uygulamalari.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Synthesis of Silica-Based Nanomaterials and their Applications In Fluorescent, Biological and Chemical Sensing =/
Reminder of title:	Silika Nanomalzemelerin Sentezi ve Floresans Tabanli Biyolojik ve Kimyasal Sensor Uygulamalari.
remainder title:	Silika Nanomalzemelerin Sentezi ve Floresans Tabanli Biyolojik ve Kimyasal Sensor Uygulamalari.
Author:	Beyazkilic, Pinar.
Description:	1 online resource (101 pages)
Notes:	Source: Masters Abstracts International, Volume: 83-10.
Contained By:	Masters Abstracts International83-10.
Subject:	Cellulose acetate. -
Online resource:	click for full text (PQDT)
ISBN:	9798209967415

Synthesis of Silica-Based Nanomaterials and their Applications In Fluorescent, Biological and Chemical Sensing = = Silika Nanomalzemelerin Sentezi ve Floresans Tabanli Biyolojik ve Kimyasal Sensor Uygulamalari.
Beyazkilic, Pinar.

Synthesis of Silica-Based Nanomaterials and their Applications In Fluorescent, Biological and Chemical Sensing =Silika Nanomalzemelerin Sentezi ve Floresans Tabanli Biyolojik ve Kimyasal Sensor Uygulamalari.Silika Nanomalzemelerin Sentezi ve Floresans Tabanli Biyolojik ve Kimyasal Sensor Uygulamalari. - 1 online resource (101 pages)

Source: Masters Abstracts International, Volume: 83-10.

Thesis (M.Sc.)--Bilkent Universitesi (Turkey), 2018.

Includes bibliographical references

This thesis describes development of nanoparticle-based liquid sensors and coatings for droplet-based bioassays. Liquid sensors were produced from mesostructured (2-50 nm) hybrid silica nanoparticles. Detection of trace trinitrotoluene (TNT) and dopamine in aqueous phase was shown based on uorescence of nanoparticles. Silica nanoparticles were synthesized using a facile one-pot solgel method. Pyrene molecules were hybridized with hydrophobic parts of cetyltrimethylammonium micelles followed by silica growth around micelles. Nanoparticles showed good dispersibility and colloidal stability in water. Pyrene exhibited bright and highly stable emission. Pyrene emission exhibited a rapid, sensitive and visual uorescence quenching against TNT and dopamine.For droplet-based assays, robust superhydrophilic patterned superhydrophobic coatings were developed. Biomolecular adsorption and droplet mixing were shown on coatings which were prepared using sol-gel method followed by ultraviolet/ ozone (UV/O) treatment.Droplet-based biomolecular detection platforms were developed using superhydrophilic patterned superhydrophobic surfaces. Bene tting from con nement and evaporation-induced shrinkage of droplets on wetted patterns, sensitive glucose and DNA detection was demonstrated. Glucose was detected based on enhancement of polydopamine (PDA) emission by hydrogen peroxide (H2O2) produced in glucose oxidation reaction. Detection in evaporating droplets resulted with bright uorescence and high sensitivity for analyte molecules. This was due to droplet evaporation which concentrated molecules and increased reaction rates. Surfaces and nanoparticles developed in this thesis hold great potential for biological and chemical analysis with low sample volumes owing to their simple production, sensitive detection responses and versatility.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798209967415Subjects--Topical Terms:

1437784
Cellulose acetate.
Index Terms--Genre/Form:

554714
Electronic books.

Synthesis of Silica-Based Nanomaterials and their Applications In Fluorescent, Biological and Chemical Sensing = = Silika Nanomalzemelerin Sentezi ve Floresans Tabanli Biyolojik ve Kimyasal Sensor Uygulamalari.
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500 $a Advisor: Elbuken, Caglar;Bayindir, Mehmet.
502 $a Thesis (M.Sc.)--Bilkent Universitesi (Turkey), 2018.
504 $a Includes bibliographical references
520 $a This thesis describes development of nanoparticle-based liquid sensors and coatings for droplet-based bioassays. Liquid sensors were produced from mesostructured (2-50 nm) hybrid silica nanoparticles. Detection of trace trinitrotoluene (TNT) and dopamine in aqueous phase was shown based on uorescence of nanoparticles. Silica nanoparticles were synthesized using a facile one-pot solgel method. Pyrene molecules were hybridized with hydrophobic parts of cetyltrimethylammonium micelles followed by silica growth around micelles. Nanoparticles showed good dispersibility and colloidal stability in water. Pyrene exhibited bright and highly stable emission. Pyrene emission exhibited a rapid, sensitive and visual uorescence quenching against TNT and dopamine.For droplet-based assays, robust superhydrophilic patterned superhydrophobic coatings were developed. Biomolecular adsorption and droplet mixing were shown on coatings which were prepared using sol-gel method followed by ultraviolet/ ozone (UV/O) treatment.Droplet-based biomolecular detection platforms were developed using superhydrophilic patterned superhydrophobic surfaces. Bene tting from con nement and evaporation-induced shrinkage of droplets on wetted patterns, sensitive glucose and DNA detection was demonstrated. Glucose was detected based on enhancement of polydopamine (PDA) emission by hydrogen peroxide (H2O2) produced in glucose oxidation reaction. Detection in evaporating droplets resulted with bright uorescence and high sensitivity for analyte molecules. This was due to droplet evaporation which concentrated molecules and increased reaction rates. Surfaces and nanoparticles developed in this thesis hold great potential for biological and chemical analysis with low sample volumes owing to their simple production, sensitive detection responses and versatility.
520 $a Bu tez, nanoparcacik tabanli gelistirilmis sivi sensorleri ve damlacik tabanli biyosensorler icin gelistirilmis kaplamalari sunmaktadir. Sivi sensorler mezoyapili (2-50 nm) hibrit silika nanoparcaciklardan uretilmistir. Nanoparcaciklarin floresansi kullanilarak suda eser miktarda TNT ve dopaminin tespiti gosterilmistir. Silika parcaciklar basit tek adimli bir sol-jel yontemi ile sente- zlenmistir. Pyren molekulleri, setiltrimetilamonyum misellerinin hidrokarbon zin- cirleriyle hibritlestirilmistir ve sonra silika, misellerin etrafinda buyutulmustur. Nanoparcaciklar suda iyi dagilim ve koloidal kararlilik gostermistir. Pyren, par- lak ve oldukca kararli floresans gostermistir. Pyren floresansi, dopamin ve TNT' ye karsi; hizli, hassas ve gozle gorulebilir sonumlenme gostermistir.Damlacik tabanli sensorler icin, kalici superhidrofilik (su seven) desenlere sahip superhidrofobik (su sevmeyen) kaplamalar gelistirilmistir. Sol-jel metodu ve ardindan ultraviyole/ozon (UV/O) muamelesiyle hazirlanan kaplamalarla, biy- omolekuler adsorpsiyon ve damlacik karistirma gosterilmistir.Superhidrofilik desenlere sahip superhidrofobik yuzeylerle, damlacik tabanli biyomolekul tespit platformlari gelistirilmistir. Damlaciklarin, superhidrofilik de- senlerde sikismasi ve buharlasmasina bagli kuculmesinden yararlanarak hassas glukoz ve DNA tespiti gosterilmistir. Glukoz, glukoz oksidasyonunda uretilen hidrojen peroksitin (H2O2) polidopamin (PDA) floresansini artirmasi temelinde tespit edilmistir. Buharlasan damlaciklarda yapilan tespit, analit molekuller icin parlak floresans ve yuksek hassasiyetle sonuclanmistir. Bu, molekullerin yuksek konsantrasyonlu olmasini ve reaksiyon hizlarinin artmasini saglayan damlacik buharlasmasi sayesinde meydana gelmistir. Bu tezde gelistirilen yuzeyler ve nanoparcaciklar; kolay uretimleri, hassas tespit cevaplari ve kullanishiliklari sayesinde dusuk hacimli orneklerde biyolojik ve kimyasal analizler icin buyuk potansiyele sahiptir.
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538 $a Mode of access: World Wide Web
650 4 $a Cellulose acetate. $3 1437784
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650 4 $a Surfactants. $3 1475157
650 4 $a Dopamine. $3 743638
650 4 $a Glass substrates. $3 1372457
650 4 $a Nanoparticles. $3 596762
650 4 $a Sodium. $3 1437786
650 4 $a Hydrochloric acid. $3 1475158
650 4 $a Sensors. $3 1003702
650 4 $a Hybridization. $3 720450
650 4 $a Glucose. $3 999791
650 4 $a Nanomaterials. $3 1469258
650 4 $a Particle size. $3 1372794
650 4 $a Hydrophobic surfaces. $3 680898
650 4 $a Biosensors. $3 555917
650 4 $a Arrays. $3 1372585
650 4 $a Quantum dots. $3 574252
650 4 $a Light. $3 579833
650 4 $a Contact angle. $3 1049700
650 4 $a Enzymes. $3 557408
650 4 $a Caustic soda. $3 1413662
650 4 $a Thin films. $3 560219
650 4 $a Scanning electron microscopy. $3 768680
650 4 $a Analytical chemistry. $3 1182118
650 4 $a Botany. $3 599558
650 4 $a Chemistry. $3 593913
650 4 $a Nanotechnology. $3 557660
650 4 $a Quantum physics. $3 1179090
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