Ministry of Education
Umadevi Shivakumar
VIDWAN ID: 65879

Dr Umadevi Shivakumar

Female Doctor of Philosophy
Assistant Professor | Department of Industrial Chemistry
Alagappa University, Alagappa Nagar, Karaikudi
Tamil Nadu
Expertise: Nanoscience and Nanotechnology
Scopus 9842739100
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45 Publications
0 Projects
1039 Scopus Citations
1036 CrossRef
12 Years 5 Months Total Experience
Publications
45 Total
Articles
41
Chapters
3
Proceedings
1
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Scopus Scopus
1,039 Citations
17 h-index
CrossRef CrossRef
1,036 Citations
18 h-index
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Personal Details

Doctor of Philosophy
N/A
Assistant Professor
Apr 2014 – Present
Alagappa University, Alagappa Nagar, Karaikudi | Department of Industrial Chemistry
Engineering and Technology
Nanoscience and Nanotechnology

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Scholarly Work

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Scholarly Publications

Bistable linear electro-optical switching in the B7′ phase of novel bent-core molecules

Journal Article
Soft Matter. Year: 2006. Volume: 2 , Issue: 3 , Pages: 215-222 .
Authors: S. Umadevi; A. Jákli; B. K. Sadashiva
DOI 10.1039/b515933d Crossref Crossref: 23 Scopus Scopus: 24

Mesogenic dimers composed of bent-core molecules with flexible alkylene spacer

Journal Article
Soft Matter. Year: 2006. Volume: 2 , Issue: 3 , Pages: 210-214 .
Authors: S. Umadevi; B. K. Sadashiva; H. N. Shreenivasa Murthy; V. A. Raghunathan
DOI 10.1039/b516638a Crossref Crossref: 48 Scopus Scopus: 47

The SmCPA phase in five-ring bent-core compounds derived from 5-methoxyisophthalic acid

Journal Article
Liquid Crystals. Year: 2006. Volume: 33 , Issue: 2 , Pages: 139-147 .
Authors: S. Umadevi; S. Radhika; B. K. Sadashiva
DOI 10.1080/02678290500473586 Crossref Crossref: 17 Scopus Scopus: 16

New five-ring symmetrical bent-core mesogens exhibiting the fascinating B7 phase

Journal Article
Liquid Crystals. Year: 2005. Volume: 32 , Issue: 10 , Pages: 1233-1241 .
Authors: S. Umadevi; B. K. Sadashiva
DOI 10.1080/02678290500345461 Crossref Crossref: 27 Scopus Scopus: 30

Vertical Alignment of Liquid Crystals over a Functionalized Flexible Substrate

Open Access
Journal Article
Scientific Reports. Year: 2018. Volume: 8 , Issue: 1 .
Authors: B. Sivaranjini; R. Mangaiyarkarasi; V. Ganesh; S. Umadevi
DOI 10.1038/s41598-018-27039-3 Crossref Crossref: 207 Scopus Scopus: 190

Liquid crystal-gold nanoparticle composite-modified indium tin oxide (ITO) substrates and their electrochemical characterisation

Journal Article
Liquid Crystals. Year: 2017. Volume: 44 , Issue: 14-15 , Pages: 2222-2229 .
Authors: S. Umadevi; S. Sundari; V. Ganesh; Sheela Berchmans
DOI 10.1080/02678292.2017.1342003 Crossref Crossref: 6 Scopus Scopus: 6

Non-enzymatic nitric oxide release from biodegradable S-nitrosothiol bound polymer: synthesis, characterization, and antibacterial effect

Journal Article
Polymer Bulletin. Year: 2018. Volume: 75 , Issue: 7 , Pages: 2971-2985 .
Authors: S. Sundari; Sheela Berchmans; S. Umadevi
DOI 10.1007/s00289-017-2199-4 Crossref Crossref: 5 Scopus Scopus: 5

Ionic liquid crystal – mediated preparation of reduced graphene oxide under microwave irradiation

Journal Article
Colloids and Surfaces A: Physicochemical and Engineering Aspects. Year: 2022. Volume: 642 .
Authors: R. Mangaiyarkarasi; N. Santhiya; S. Umadevi
DOI 10.1016/j.colsurfa.2022.128673 Crossref Crossref: 9 Scopus Scopus: 10
Showing 17 to 24 of 45 publications