K Padmakumar
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Explore the profile of K Padmakumar including associated specialties, affiliations and a list of published articles.
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Articles
9
Citations
120
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Recent Articles
1.
Ashour M, Edrada R, Ebel R, Wray V, Watjen W, Padmakumar K, et al.
J Nat Prod
. 2006 Nov;
69(11):1547-53.
PMID: 17125219
Two new cyclic depsipeptide derivatives, kahalalides R (1) and S (2), together with two known congeners, kahalalides F (3) and D (4), were isolated from the Indian sacoglossan mollusk Elysia...
2.
Miller A, Sorkin D, Padmakumar K
Biochemistry
. 2005 Apr;
44(16):5969-81.
PMID: 15835886
We report the first spectroscopic observation of substrate analogue binding to the reduced state of iron superoxide dismutase from Escherichia coli (Fe(2+)SOD) and demonstrate that the pH dependence reflects inhibition...
3.
Thoms C, Wolff M, Padmakumar K, Ebel R, Proksch P
Z Naturforsch C J Biosci
. 2004 Mar;
59(1-2):113-22.
PMID: 15018063
The Mediterranean sponges Aplysina aerophoba and A. cavernicola accumulate brominated isoxazoline alkaloids including aplysinamisin-1 (1), aerophobin-2 (2), isofistularin-3 (3) or aerothionin (4) at concentrations up to 10% of their respective...
4.
Miller A, Padmakumar K, Sorkin D, Karapetian A, Vance C
J Inorg Biochem
. 2003 Jan;
93(1-2):71-83.
PMID: 12538055
Fe-containing superoxide dismutase (FeSOD) and MnSOD are widely assumed to employ the same catalytic mechanism. However this has not been completely tested. In 1985, Bull and Fee showed that FeSOD...
5.
Manikandan P, Padmakumar K, Thomas K, Varghese B, Onodera H, Manoharan P
Inorg Chem
. 2002 Jan;
40(27):6930-9.
PMID: 11754274
Iron(II) complexes [FeL(2)](ClO(4))(2).CH(3)CN, [FeL(2)](BPh(4))(2).2CH(3)CN, and [FeL(2)](PF(6))(2) with an FeN(6) chromophore of the same ligand L (2,6-bis(3,5-dimethylpyrazol-1-ylmethyl)pyridine) and differing counterions have been made and their crystal and molecular structures determined. The...
6.
Padmakumar K, Manoharan P
Spectrochim Acta A Mol Biomol Spectrosc
. 2000 May;
56(5):905-13.
PMID: 10809066
Magnetic hyperfine splitting observed in the low temperature Mössbauer spectrum of potassium barium hexanitro ferrate(II), in the absence of any external field, is attributed to the 5T2g state of the...
7.
Padmakumar K, Singh R, Rai R, Malaviya A, Saraya A
Ann Rheum Dis
. 1990 Dec;
49(12):986-9.
PMID: 2125409
The prevalence of lupus anticoagulant (LAC) and its relation with reported clinical associations has been determined in 55 patients with systemic lupus erythematosus (SLE) from northern India who were studied...
8.
Saraya A, Rai R, Saxena R, Singh R, Padmakumar K, Malaviya A
Indian J Med Res
. 1989 Oct;
90:335-40.
PMID: 2628301
Coagulation profile was studied in 55 patients of systemic lupus erythematosus (SLE). Abnormal kaolin clotting time (KCT) was observed in fewer patients (12.9%) as compared to abnormal Russel's viper venom...
9.
Singh R, Prasad K, Kumar A, Misra A, Padmakumar K, Malaviya A
Ann Rheum Dis
. 1988 Nov;
47(11):954-6.
PMID: 3144943
Three patients presented with cerebellar ataxia among 350 cases of systemic lupus erythematosus (SLE) seen over the last 14 years. Cerebellar signs were unilateral in one and bilateral in the...