Publications by authors named "Ratna Singh"

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Cross Country Comparison of Expert Assessments of the Quality of Death and Dying 2021.
Eric A Finkelstein, Afsan Bhadelia, Cynthia Goh, Drishti Baid, Ratna Singh, Sushma Bhatnagar, Stephen R Connor

J Pain Symptom Manage· April 2022

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Dissecting and optimizing bioactivities of chitosans by enzymatic modification.
Carolin Richter, Stefan Cord-Landwehr, Ratna Singh, Judith Ryll, Bruno M Moerschbacher

Carbohydr Polym· February 2025

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Understanding the experiences of mothers receiving perinatal palliative care: A qualitative study.
Komal Tewani, Ratna Singh, Cheong Pei Yi Wendy, Ho Jia Huan, Pooja Jayagobi

Palliat Med· October 2023

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Unraveling the Impact of Acetylation Patterns in Chitosan Oligomers on Cu Ion Binding: Insights from DFT Calculations.
Ratna Singh, Jens Smiatek, Bruno M Moerschbacher

Int J Mol Sci· September 2023

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Guillain Barre Syndrome after vaccination against Corona Virus Disease19: Managed in limited resource setting.
Sher Bahadur Kamar, Uttam Kumar Bhatta, Ratna Singh, Manju Paudel Timilsana

J Nepal Health Res Counc· July 2023

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Customized chitooligosaccharide production-controlling their length engineering of rhizobial chitin synthases and the choice of expression system.
Rita Weyer, Margareta J Hellmann, Stefanie N Hamer-Timmermann, Ratna Singh, Bruno M Moerschbacher

Front Bioeng Biotechnol· December 2022

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Proteomic Analysis of -Nitrosation Sites During Somatic Embryogenesis in Brazilian Pine, (Bertol.) Kuntze.
Alexandre Junio Borges Araujo, Giovanni Victorio Cerruti, Rafael Zuccarelli, Marta Rodriguez Ruiz, Luciano Freschi, Ratna Singh

Front Plant Sci· June 2022

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Identifying Core Domains to Assess the "Quality of Death": A Scoping Review.
Afsan Bhadelia, Leslie E Oldfield, Jennifer L Cruz, Ratna Singh, Eric A Finkelstein

J Pain Symptom Manage· April 2022

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Chitosan and Chitin Deacetylase Activity Are Necessary for Development and Virulence of Ustilago maydis.
Yanina S Rizzi, Petra Happel, Sandra Lenz, Mounashree J Urs, Martin Bonin, Ratna Singh

mBio· March 2021

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Family caregivers of advanced cancer patients: self-perceived competency and meaning-making.
Irene Teo, Drishti Baid, Semra Ozdemir, Chetna Malhotra, Ratna Singh, Nesaretnam Barr Kumarakulasinghe

BMJ Support Palliat Care· December 2020

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Screening of Bacterial Quorum Sensing Inhibitors in a LuxR-Based Synthetic Fluorescent Biosensor.
Xiaofei Qin, Celina Vila-Sanjurjo, Ratna Singh, Bodo Philipp, Francisco M Goycoolea

Pharmaceuticals (Basel)· September 2020

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Transcriptome Analysis of Genotype RH89-039-16 in Response to Chitosan.
Philipp Lemke, Bruno M Moerschbacher, Ratna Singh

Front Plant Sci· August 2020

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Synthetic homoserine lactone analogues as antagonists of bacterial quorum sensing.
Xiaofei Qin, Ganesh Kumar Thota, Ratna Singh, Rengarajan Balamurugan, Francisco M Goycoolea

Bioorg Chem· May 2020

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Pilot Trial of a Combined Oncologist-Patient-Caregiver Communication Intervention in Singapore.
Chetna Malhotra, Tanujaa Rajasekaran, Ravindran Kanesvaran, Alethea Yee, Filipinas G Bundoc, Ratna Singh

JCO Oncol Pract· February 2020

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Rational protein design of sp. MN chitosanase for altered substrate binding and production of specific chitosan oligomers.
David Gercke, Eva K Regel, Ratna Singh, Bruno M Moerschbacher

J Biol Eng· March 2019

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Structural and biochemical insight into mode of action and subsite specificity of a chitosan degrading enzyme from Bacillus spec. MN.
Ratna Singh, Tobias Weikert, Sven Basa, Bruno M Moerschbacher

Sci Rep· February 2019

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'Slipped Sandwich' Model for Chitin and Chitosan Perception in Arabidopsis.
Ekaterina Gubaeva, Airat Gubaev, Rebecca L J Melcher, Stefan Cord-Landwehr, Ratna Singh

Mol Plant Microbe Interact· November 2018

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Study protocol for a cohort study of patients with advanced heart failure in Singapore.
Chetna Malhotra, Renette Foo, Ratna Singh, Semra Ozdemir, Irene Teo

BMJ Open· September 2018

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Protein-engineering of chitosanase from Bacillus sp. MN to alter its substrate specificity.
Eva K Regel, Tobias Weikert, Anna Niehues, Bruno M Moerschbacher, Ratna Singh

Biotechnol Bioeng· April 2018

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Cost of Medical Care of Patients with Advanced Serious Illness in Singapore (COMPASS): prospective cohort study protocol.
Irene Teo, Ratna Singh, Chetna Malhotra, Semra Ozdemir, Rebecca A Dent, Nesaretnam Barr Kumarakulasinghe

BMC Cancer· April 2018

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A specific amino acid residue in the catalytic site of dandelion polyphenol oxidases acts as 'selector' for substrate specificity.
Sarah M Prexler, Ratna Singh, Bruno M Moerschbacher, Mareike E Dirks-Hofmeister

Plant Mol Biol· January 2018

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A Recombinant Fungal Chitin Deacetylase Produces Fully Defined Chitosan Oligomers with Novel Patterns of Acetylation.
Shoa Naqvi, Stefan Cord-Landwehr, Ratna Singh, Frank Bernard, Stephan Kolkenbrock

Appl Environ Microbiol· November 2016

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Structural diversity in the dandelion (Taraxacum officinale) polyphenol oxidase family results in different responses to model substrates.
Mareike E Dirks-Hofmeister, Ratna Singh, Christine M Leufken, Jennifer K Inlow, Bruno M Moerschbacher

PLoS One· September 2015

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Experimental and bioinformatic characterization of a recombinant polygalacturonase-inhibitor protein from pearl millet and its interaction with fungal polygalacturonases.
S Ashok Prabhu, Ratna Singh, Stephan Kolkenbrock, Neerakkal Sujeeth, Nour Eddine El Gueddari

J Exp Bot· September 2014

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Isozyme-specific ligands for O-acetylserine sulfhydrylase, a novel antibiotic target.
Francesca Spyrakis, Ratna Singh, Pietro Cozzini, Barbara Campanini, Enea Salsi

PLoS One· May 2014

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