User profiles for John Ho

John S Ho

National University of Singapore
Verified email at nus.edu.sg
Cited by 6602

[HTML][HTML] SARS-CoV-2 Omicron variant replication in human bronchus and lung ex vivo

KPY Hui, JCW Ho, M Cheung, K Ng, RHH Ching, K Lai… - Nature, 2022 - nature.com
The emergence of SARS-CoV-2 variants of concern with progressively increased transmissibility
between humans is a threat to global public health. The Omicron variant of SARS-CoV-…

Large area, few-layer graphene films on arbitrary substrates by chemical vapor deposition

A Reina, X Jia, J Ho, D Nezich, H Son, V Bulovic… - Nano …, 2009 - ACS Publications
In this work we present a low cost and scalable technique, via ambient pressure chemical
vapor deposition (CVD) on polycrystalline Ni films, to fabricate large area (∼cm 2 ) films of …

Technology roadmap for flexible sensors

…, X Gong, CF Guo, X Guo, MC Hartel, Z He, JS Ho… - ACS …, 2023 - ACS Publications
Humans rely increasingly on sensors to address grand challenges and to improve quality of
life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are …

Microbiota regulates immune defense against respiratory tract influenza A virus infection

…, Y Kumamoto, DR Peaper, JH Ho… - Proceedings of the …, 2011 - National Acad Sciences
Although commensal bacteria are crucial in maintaining immune homeostasis of the intestine,
the role of commensal bacteria in immune responses at other mucosal surfaces remains …

Tropism, replication competence, and innate immune responses of the coronavirus SARS-CoV-2 in human respiratory tract and conjunctiva: an analysis in ex-vivo and …

…, RAPM Perera, KC Ng, CHT Bui, JCW Ho… - The Lancet …, 2020 - thelancet.com
Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in
December 2019, causing a respiratory disease (coronavirus disease 2019, COVID-19) of …

Retrospective analysis of 5037 patients with nasopharyngeal carcinoma treated during 1976–1985: overall survival and patterns of failure

…, DKK Chan, SY Tung, M Thaw, JHC Ho - International Journal of …, 1992 - Elsevier
This is a retrospective analysis of 5037 patients with squamous cell carcinoma of the
nasopharynx treated during the years 1976–1985. The stage distribution according to Ho's

Inducible nitric oxide synthase in pulmonary alveolar macrophages from patients with tuberculosis.

…, N Boechat, C Linhares, W Rom, JL Ho - The Journal of …, 1996 - rupress.org
The high-output pathway of nitric oxide production helps protect mice from infection by
several pathogens, including Mycobacterium tuberculosis. However, based on studies of cells …

Effect of isoniazid prophylaxis on incidence of active tuberculosis and progression of HIV infection

JW Pape, SS Jean, JL Ho, A Hafner, WD Johnson Jr - The Lancet, 1993 - Elsevier
Tuberculosis occurring with human immunodeficiency virus (HIV) infection is a serious and
growing public health problem. We have carried out a randomised clinical trial of a 12-month …

Wireless power transfer to deep-tissue microimplants

JS Ho, AJ Yeh, E Neofytou, S Kim… - Proceedings of the …, 2014 - National Acad Sciences
The ability to implant electronic systems in the human body has led to many medical
advances. Progress in semiconductor technology paved the way for devices at the scale of a …

Wirelessly powered, fully internal optogenetics for brain, spinal and peripheral circuits in mice

KL Montgomery, AJ Yeh, JS Ho, V Tsao, S Mohan Iyer… - Nature …, 2015 - nature.com
To enable sophisticated optogenetic manipulation of neural circuits throughout the nervous
system with limited disruption of animal behavior, light-delivery systems beyond fiber optic …