Devi Taufiq Nurrohman

National Taiwan Normal University | NTNU · Department of Electro-Optical Science And Technology

The development of sensitive and specific exosome detection tools is essential because they are believed to provide specific information that is important for early detection, screening, diagnosis, and monitoring of cancer. Among the many detection tools, surface-plasmon resonance (SPR) biosensors are analytical devices that offer advantages in sen...

2D materials such as graphene and MoS2 have a crucial role in improving the performance of optical sensors. In this work, we investigated a lossy mode resonance (LMR) sensor composed of MgF2 and 2D materials. The transfer matrix method has been chosen to determine the reflectance curve of the sensor with different thicknesses of MgF2 and 2D materia...

Until now, Surface Plasmon Resonance (SPR) biosensors still rely on gold as their transducer element, and this makes cheap analytical devices difficult to achieve. On the other hand, lossy mode resonance (LMR) sensors offer transducers with more alternative materials due to their flexibility, which can be excited in p- and s-polarized light. In thi...

Surface Plasmon Resonance (SPR) technology is known to be a powerful tool for studying biomolecular interactions because it offers real-time and label-free multiparameter analysis with high sensitivity. This article summarizes the results that have been obtained from the use of SPR technology in studying the dynamics of severe acute respiratory syn...

The development of sensitive and specific exosome detection devices is highly desirable because it is believed to deliver specific important information for cancer screening, diagnosis, and monitoring. Among many detection techniques, nanoplasmonic sensors are optical detection methods that offer advantages in sensitivity and detection speed and th...

Surface Plasmon Resonance (SPR) technology has been known as a powerful tool for studying biomolecular interactions because it offers real-time and label-free multiparameter analysis with high sensitivity. This article summarizes the results that have been obtained from the use of SPR technology in studying the dynamics of severe acute respiratory...

Electrical energy is an essential resource for human needs. The prolific utilization of electrical devices accounts for high energy consumption patterns. Resistive and inductive loads characterize conventional electrical equipment. In practice, the properties of electrical loads impact energy demand and system efficiency. Thus, power factor correct...

Renewable energy sources utilizing solar energy have attracted the attention of many scientific communities and are widely applied. However, this renewable energy source is highly dependent on the weather and the intensity of solar radiation, making it an inconsistent energy source and lowering its performance. This paper discusses the performance...

Gold nanoparticles have been widely used for various applications because of their unique properties. In this study, theoretical and experimental studies have been carried out to study the signal characteristics of the gold nanoparticles-based localized surface plasmon resonance immunosensor. The Finite-Difference Time Domain method has been chosen...

Solar energy is an energy source that is widely used because it is free energy, eco-friendly and very abundant, especially in tropical countries. However, the energy obtained from solar energy is inconsistent and is heavily influenced by environmental factors. Recently, many researchers have developed hybrid power plants which combine two or more d...

Background Due to educational, social and economic reasons, more and more women are delaying childbirth. However, advanced maternal age is associated with several adverse pregnancy outcomes, and in particular a high risk of Down’s syndrome (DS). Hence, it is increasingly important to be able to detect fetal Down’s syndrome (FDS). Methods We develo...

Tumpahan minyak merupakan salah satu sumber pencemar yang dapat menyebar secara cepat di perairan. Oleh karena itu upaya penanganan tumpahan minyak ini mengundang perhatian banyak komunitas luas. Dalam paper ini, kami mengembangkan salah satu alat untuk menangani tumpahan minyak yang disebut dengan oil skimmer dengan rotary disc sebagai komponen un...

Mangrove Forest which is located at Karang Talun village, Tritih Kulon sub-district, North Cilacap, Central Java has a various potentials to develop. Its development can be conducted by utilizing local community for participating to improve with mastery of English language. Thus, it is necessary to conduct empowerment of local community through Eng...

The surface plasmon resonance (SPR) biosensor has become a powerful analytical tool for investigating biomolecular interactions. There are several methods to excite surface plasmon, such as coupling with prisms, fiber optics, grating, nanoparticles, etc. The challenge in developing this type of biosensor is to increase its sensitivity. In relation...

For early detection purposes, the challenge in the biosensor field today is to detect analytes at very dilute concentration (less than 1pM) and small molecular weight (less than 8 kDa). Due to the limited absorption capabilities of metals, the new generation of SPR biosensors currently uses 2D materials to improve sensor performance. Some of the sp...

Since graphene was first isolated in 2004, research related to graphene-based 2D material for surface plasmon resonance (SPR) biosensor applications has increased. Recently, other types of 2D materials such as Transition Metal Dichalcogenides have also been investigated. This 2D material has exceptional optical and electronic properties and can be...

Until now, two-dimensional (2D) nanomaterials have been widely studied and applied in the biosensor field. Some of the advantages offered by these 2D materials include large specific surface area, high conductivity, and easy surface modification. This review discusses the use of 2D material in surface plasmon resonance (SPR) biosensor for diagnosti...

Over the past few years there have been many oil accidents that have occurred in the sea. Oil accidents can occur due to oil spill, drilling processes at sea or due to pipeline leaks. The oil in the sea will float and if not remove will damage the surrounding ecosystem. Therefore, in this paper implements an oil skimmer system which can be used to...

Small and Medium Enterprises (UKM) have a large role in national economic development. In Indonesia, the majority of UKM are dominated by people with low education so that in the marketing process they still use conventional methods. This dedication activity conducted training on the use of the internet to improve the competitiveness of UKM in the...

The teacher is a professional educator who has the duties, functions, and roles to educate the nation's children. In Desa Maos Lor Cilacap, some elementary school teachers experienced problems in using Microsoft Office and Google Docs software as a means used in classroom learning media. In the implementation of community service, this discusses ho...

Penelitian ini bertujuan untuk mensintesis nanopartikel magnetik pasir besi menggunakan metode ball milling dan mempelajari karakteristiknya. Pasir besi yang digunakan sebagai sampel penelitian berasal dari Pantai Cemara Sewu, Cilacap. Proses sintesis nanopartikel diawali dengan mengukur kecepatan wadah mesin ball milling supaya tidak melebihi kece...

p class="JIPIAbstractBody"> Penelitian ini bertujuan untuk membuat aplikasi sederhana menggunakan GUI MATLAB untuk menganalisis spektrum biosensor berbasis Surface Plasmon Resonance (SPR). Metode yang dilakukan dalam pembuatan aplikasi dimulai dari tahap analisis, tahap desain interface, tahap coding dan tahap pengujian. Tombol Kurva simulasi pada...

Abstrak Penelitian ini bertujuan untuk membuat aplikasi sederhana menggunakan GUI MATLAB untuk menganalisis spektrum biosensor berbasis Surface Plasmon Resonance (SPR). Metode yang dilakukan dalam pembuatan aplikasi dimulai dari tahap analisis, tahap desain interface, tahap coding dan tahap pengujian. Tombol Kurva simulasi pada menu editor berisi p...

Effect of Fe3O4 magnetic nanoparticle concentration on the signal of surface plasmon resonance (SPR) spectra has been successfully observed. The Fe3O4 nanoparticles with a particle size of about 10.5 ± 0.2 nm were used as active materials to increase the SPR response. X-ray diffraction (XRD) pattern showed that Fe3O4 nanoparticles have a high degre...

The population growth of microalgae has been successfully monitored by using the surface plasmon resonance (SPR)-based biosensor activated by using PEG-4000 functionalized Fe3O4 magnetic nanoparticles. The SPR-based biosensor in this work used Kretchmann configuration and Ha-Ne laser beam (λ = 633nm). The population of microalgae were estimated by...