285 Works

Replication Data for: Terahertz Sensing with Optimized Q/Veff Metasurface Cavities

Manoj Gupta & Ranjan Singh
Confinement of electromagnetic radiation in a subwavelength cavity is an important platform for strong light–matter interaction as it enables efficient design of photonic switches, modulators, and ultrasensitive sensors. Metallic metasurfaces consist of an array of planar cavities that allow easy access to confined electromagnetic modes on the surface. However, the radiative and nonradiative losses limit the quality factor (Q) of the resonantly confined mode. Therefore, metasurface designs with effectively low mode volume (Veff) cavities become...

Replication Data for: A Terahertz Brewster Switch based on Superconductor Hyperbolic Metamaterial

Sreekanth Kandammathe Valiyaveedu & P. Mahalakshmi
Active polarization switching devices are important to control the polarization state of light including terahertz (THz) waves that are technologically challenging to manipulate. Here, we propose and numerically demonstrate a hyperbolic metamaterial (HMM) based active Brewster polarization switch for the intensity and phase modulation of THz light. The proposed multilayered HMM consisting of alternating thin layers of high temperature superconductor such as YBCO (yttrium barium copper oxide) and dielectric material such as LAO (lanthanum aluminate)....

Replication Data for: Electrically programmable terahertz diatomic metamolecules for chiral optical control

Longqing Cong & Ranjan Singh
Optical chirality is central to many industrial photonic technologies including enantiomer identification, ellipsometry-based tomography and spin multiplexing in optical communications. However, a substantial chiral response requires a three-dimensional constituent, thereby making the morphology highly complex to realize structural reconfiguration. Moreover, an active reconfiguration demands intense dosage of external stimuli that pose a major limitation for on-chip integration. Here, we report a low bias, electrically programmable synthetic chiral paradigm with a remarkable reconfiguration among levorotatory, dextrorotatory,...

Data for Single Site Biatomic Metal Catalysts for Electrochemical Oxygen Reduction

Shuzhou Li
Unconventional Oxygen Reduction Reaction Mechanism and Scaling Relation on Single-Atom Catalysts

Project data: Sustainable self-testing sensor array from waste

Chong Wei Tan
This is the data for this project, including proposal, report, experimental data and so on.

Spread F and Normal Labelled Ionograms

This dataset contains over 28377 ionograms which have been labelled as either having spread F or not. The folders are labelled Train, Validation, and Test for the Training, Validation, and Test when training machine learning algorithms. However, the other option is to read all of the (train and validation) data and do a random 80:20 split between training and validation.

Microbiota regulates the turnover kinetics of intestinal macrophages under steady-state and inflammatory conditions

Qi Chen, Sajith Kumar Nair & Christiane Ruedl
The gut immune system has evolved to co-exist in a mutually beneficial symbiotic relationship with its microflora. Here, using a germ-free fate-mapping mouse model, we provide clear insight into how the enteric commensals determine the kinetics of macrophage turnover. The microbiome density along the gastrointestinal tract defines the persistence of ontogenically diverse macrophages, with the highest numbers of the long-lived F4/80hiTim4+ macrophage subset in the less densely colonized small intestine. Furthermore, the microbiome contributes to...

Membrane phospholipid alteration causes chronic ER stress through early degradation of homeostatic ER-resident proteins

Guillaume Thibault
Phospholipid homeostasis in biological membranes is essential to maintain functions of organelles such as the endoplasmic reticulum. Phospholipid perturbation has been associated to cellular stress responses. However, in most cases, the implication of membrane lipid changes to homeostatic cellular response has not been clearly defined. Previously, we reported that Saccharomyces cerevisiae adapts to lipid bilayer stress by upregulating several protein quality control pathways such as the endoplasmic reticulum-associated degradation (ERAD) pathway and the unfolded protein...

SINGA:PURA (SINGApore: Polyphonic URban Audio)

Kenneth Ooi, Karn N. Watcharasupat, Santi Peksi, Zhen-Ting Ong, Darren Chua, Hui-Wen Leow, Li-Long Kwok, Xin-Lei Ng, Zhen-Ann Loh & Woon-Seng Gan
This repository contains the SINGA:PURA dataset, a strongly-labelled polyphonic urban sound dataset with spatiotemporal context. The data were collected via a number of recording units deployed across Singapore as a part of a wireless acoustic sensor network. These recordings were made as part of a project to identify and mitigate noise sources in Singapore, but also possess a wider applicability to sound event detection, classification, and localization. The taxonomy we used for the labels in...

Replication Data for: Self-Healable Organic Electrochemical Transistor with High Transconductance, Fast Response, and Long-Term Stability

Xihu Wu
This dataset contains the raw data of the publication.

Replication Data for: Monsoon-driven biogeochemical dynamics in an equatorial shelf sea: time-series observations in the Singapore Strait

Patrick Martin
This dataset is used for the paper: Patrick Martin, Molly A. Moynihan, Shuang Chen, Oon Yee Woo, Yongli Zhou, Robert S. Nichols, Kristy Y.W. Chang, Ashleen S.Y. Tan, Ying-Hsuan Chen, Haojia Ren, Mengli Chen (2022). Monsoon-driven biogeochemical dynamics in an equatorial shelf sea: Time-series observations in the Singapore Strait. Estuarine, Coastal and Shelf Science 270, 107855, doi: 10.1016/j.ecss.2022.107855. The dataset contains marine biogeochemical data collected as a multi-year time series in the Singapore Strait.

SynLiDAR dataset

Shijian Lu & Aoran Xiao
This dataset includes raw point cloud sequences with point-wise annotations of SynLiDAR.

Influence of substitutional defects in ZIF-8 membranes on reverse osmosis desalination: A molecular dynamics study

Terence Hong Zhi Xiang
In this study, molecular dynamics simulation is used to investigate the effects of water-based substitutional defects in Zeolitic imidazolate frameworks (ZIF)-8 membranes on their reverse osmosis (RO) desalination performance. ZIF-8 unit cells containing up to three defect sites are used to construct the ZIF-8 membranes. These substitutional defects can either be Zn defects or linker defects. The RO performance of the membranes is tested in terms of the water flux and ion rejection rate. The...

Talk Together - Post Intervention Survey

Sundaray Shamala, Fei Ting Woon, Shaza Binte Amran & Suzy J Styles
The Talk Together Study served parents with four weeks of tips designed to enhance their communication with their little ones. At the end of the intervention period, parents were invited to complete a series of questions about their adherence to the intervention, their feedback about the different tips, and their subjective experience of the intervention. This Archive contains the questions in the Post-Intervention Survey. ; Woon, Fei Ting; binte Amran, Shaza; Styles, Suzy J

Language Experiences Overview (LEO)

Fei Ting Woon, Tuan Anh Le, Shaza Binte Amran, Wen Xin Ang & Suzy J Styles
In Singapore, more than 90% of adults are literate in at least 2 languages (Singapore Census, 2010). Singaporean families often involve grandparents in the care of young children, and one in five families employ a live-in foreign worker for domestic help (Singapore Ministry of Manpower, 2020). Infants in Singapore typically hear two or more languages from each parent, two-to-three languages from their grandparents (Woon, 2018), and possibly more from a domestic helper. Given this complexity,...

Replication Data for: Accessing the High‐Q Dark Plasmonic Fano Resonances in Superconductor Metasurfaces

Yogesh Kumar Srivastava, Manukumara Manjappa, Harish N. S. Krishnamoorthy & Ranjan Singh
Superconducting metamaterials at terahertz frequencies has provided a platform for designing switchable plasmonic metamaterial devices. However, since metals at terahertz frequencies are excellent conductors, the superior role of superconductors in designing low‐loss, high quality factor metamaterials remains unclear. In this work, a low asymmetry Fano resonant split‐ring‐resonator is considered in which a regime of extremely low radiative loss is identified where the high temperature yttrium barium copper oxide superconductor meta‐atom supports a sharp high quality...

SESAME Topic Prompts

Suzy J Styles, Shaza Binte Amran, Xin Wen Ang, Nur Sakinah Mohd Salleh, Fei Ting Woon & Eshwaaree C Yogarrajah
Topic prompts for eliciting speech in different languages. The cards were designed to around one minute of informal speech in the official languages of Singapore: English, Chinese, Malay, and Tamil. The topic prompts were first piloted in 2019, and rolled out for elicitation tasks as part of the Talk Together Study in 2020.

Ray-Based Body Wave Tomography

Ping Tong
Large Necessary Dependencies.

Red-Dot Baby-Talk Quiz

Fei Ting Woon & Suzy J Styles
An online quiz for finding out about the familiarity of words in Singapore's unique baby-register, and their estimated age of acquisition.

Replication Data for: RNA Alternative Splicing Prediction with Discrete Compositional Energy Network

Alvin Chan, Anna Korsakova, Yew-Soon Ong, Fernaldo Richtia Winnerdy, Kah Wai Lim & Anh Tuan Phan
Context Augmented Psi Dataset (CAPD) dataset for benchmarking of RNA splicing models. Contains percent-spliced-in labels for 250 samples from each of the 14 tissue types for all 23 human chromosomes along with auxiliary signals for each sample (RBP transcript abundance levels) and a gene dictionary (same gene sequences for all samples). The dataset is split into training, testing, and validation datasets. Auxiliary signals are provided in a separate archive as a .csv table, where each...

Replication Data for: Two-qubit sweet spots for capacitively coupled exchange-only spin qubits

Teck Seng Koh
Datasets for all Figures in the main text and supplementary material.

Replication Data for: Lower crust structures and dynamics of southern California revealed by first P and PmP data

Ping Tong
PmP data and Crustal P-wave velocity model for southern California

Replication Data for: Guided-Mode Resonances in All-Dielectric Terahertz Metasurfaces

Song Han, Mikhail V. Rybin, Prakash Pitchappa, Yogesh Kumar Srivastava, Yuri S Kivshar & Ranjan Singh
Coupling of diffracted waves in gratings with the waveguide modes gives rise to the guided mode resonances (GMRs). The GMRs provide designer linewidth and resonance intensity amidst a broad background, and thus have been widely used for numerous applications in visible and infrared spectral regions. Here, terahertz GMRs are demonstrated in low-loss, all-dielectric metasurfaces, which are periodic square lattices of silicon cuboids on quartz substrates. The silicon cuboid lattice simultaneously acts as a diffraction grating...

Hidden-State Modelling of a Cross-section of Geoelectric Time Series Data Can Provide Reliable Intermediate-term Probabilistic Earthquake Forecasting in Taiwan

Siew Ann Cheong
(C, V, S, K) index time series data generated using 0.5-Hz GEMS time series data from Taiwan. In this data set, C is a modified autocorrelation function, V is the variance, S the skewness, and K the kurtosis of the GEMS geo-electric field time series.

Using Topological Data Analysis (TDA) and Persistent Homology to Analyse the Stock Markets in Singapore and Taiwan

Siew Ann Cheong
Data sets and Python scripts for paper published by T.-W. Yen and S. A. Cheong in Frontiers in Physics for a special issue "From Physics to Econophysics back to Physics: Methods and Insights".

Registration Year

  • 2021
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  • Dataset
    285