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Showing 1 to 12 of 30 entries
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Asymmetric charge separation and recombination in symmetrically functionalized σ-π hybrid oligosilanes.

Dalton transactions (Cambridge, England : 2003)

Zhou J, Folster CP, Surampudi SK, Jimenez D, Klausen RS, Bragg AE.
PMID: 28262895
Dalton Trans. 2017 Jul 11;46(27):8716-8726. doi: 10.1039/c7dt00384f.

The flexibility of σ-conjugated silanes presents new opportunities for manipulating charge generation, transport, and non-linear optical properties of materials. Recently we synthesized a series of acceptor-donor-acceptor (ADA) compounds in which a methylated oligosilane core (D) is flanked by electron-deficient...

Pelvic alveolar rhabdomyosarcoma in a young adult.

Radiology case reports

Reisner D, Amadi C, Beckman I, Patel S, Surampudi R.
PMID: 27190552
Radiol Case Rep. 2015 Nov 06;9(4):798. doi: 10.2484/rcr.v9i4.798. eCollection 2014.

Rhabdomyosarcomas are soft-tissue tumors, rare in adults. Accounting for nearly 5% of childhood cancers, they represent less than 0.03% of adult malignancies (1, 2). Three different subtypes of rhabdomyosarcoma have been described (embryonal, alveolar and pleomorphic), making up approximately...

ipso-nitration of arylboronic acids with chlorotrimethylsilane-nitrate salts.

Organic letters

Prakash GK, Panja C, Mathew T, Surampudi V, Petasis NA, Olah GA.
PMID: 15200321
Org Lett. 2004 Jun 24;6(13):2205-7. doi: 10.1021/ol0493249.

[reaction: see text] A mixture of nitrate salt and chlorotrimethylsilane is found to be an efficient regioselective nitrating agent for the ipso-nitration of arylboronic acids to produce the corresponding nitroarenes in moderate to excellent yields. High selectivity, simplicity, and...

Mammary duct ectasia in a man with liver disease, end stage renal failure, and adjacent arteriovenous fistula.

Journal of radiology case reports

Dickerson E, Budway R, Surampudi R, Tabor E.
PMID: 22470751
J Radiol Case Rep. 2010;4(8):36-41. doi: 10.3941/jrcr.v4i8.485. Epub 2010 Aug 01.

Mammary duct ectasia is a rare finding in males. We report a case of mammary duct ectasia in a 58 year old male with liver failure and end stage renal failure. We discuss radiology findings of mammary duct ectasia...

Weight loss for critical care patient to improve lung transplantation candidacy: A case report.

Respiratory medicine case reports

Garcia MC, Surampudi V, Li Z, Saggar R, Shah S.
PMID: 32874911
Respir Med Case Rep. 2020 Aug 18;31:101193. doi: 10.1016/j.rmcr.2020.101193. eCollection 2020.

A 47-year-old male with morbid obesity and progressive pulmonary fibrosis was admitted to the intensive care unit (ICU) with worsening hypoxia and nocturnal ventilator dependence. Due to a significant oxygen requirement, the patient could only safely remain in an...

The IL-27 component EBI-3 and its receptor subunit IL-27Rα are essential for the cytoprotective action of humanin on male germ cells†.

Biology of reproduction

Jia Y, Swerdloff RS, Lue Y, Dai-Ju J, Surampudi P, Cohen P, Wang C.
PMID: 33330922
Biol Reprod. 2021 Mar 11;104(3):717-730. doi: 10.1093/biolre/ioaa225.

Humanin (HN) is a mitochondrial-derived peptide that protects many cells/tissues from damage. We previously demonstrated that HN reduces stress-induced male germ cell apoptosis in rodents. HN action in neuronal cells is mediated through its binding to a trimeric cell...

The Role of Serum Beta hCG in Early Diagnosis and Management Strategy of Ectopic Pregnancy.

Journal of clinical and diagnostic research : JCDR

Surampudi K, Gundabattula SR.
PMID: 27630909
J Clin Diagn Res. 2016 Jul;10(7):QC08-10. doi: 10.7860/JCDR/2016/19342.8110. Epub 2016 Jul 01.

INTRODUCTION: The presentation of Ectopic Pregnancy (EP) can be highly variable and serum Beta hCG estimation plays an important role in early diagnosis.AIM: Aim of the study was to determine the trends of hCG levels in EP and to...

Temperature and pressure dependence of methane correlations and osmotic second virial coefficients in water.

The journal of physical chemistry. B

Ashbaugh HS, Weiss K, Williams SM, Meng B, Surampudi LN.
PMID: 25932722
J Phys Chem B. 2015 May 21;119(20):6280-94. doi: 10.1021/acs.jpcb.5b02056. Epub 2015 May 12.

We report methane's osmotic virial coefficient over the temperatures 275 to 370 K and pressures from 1 bar up to 5000 bar evaluated using molecular simulations of a united-atom description of methane in TIP4P/2005 water. In the first half...

Analysis of embryoid bodies derived from human induced pluripotent stem cells as a means to assess pluripotency.

Stem cells international

Sheridan SD, Surampudi V, Rao RR.
PMID: 22550517
Stem Cells Int. 2012;2012:738910. doi: 10.1155/2012/738910. Epub 2012 Mar 01.

Human induced pluripotent stem cells (hiPSCs) have core properties of unlimited self-renewal and differentiation potential and have emerged as exciting cell sources for applications in regenerative medicine, drug discovery, understanding of development, and disease etiology. Key among numerous criteria...

Optimization of linear and branched alkane interactions with water to simulate hydrophobic hydration.

The Journal of chemical physics

Ashbaugh HS, Liu L, Surampudi LN.
PMID: 21823715
J Chem Phys. 2011 Aug 07;135(5):054510. doi: 10.1063/1.3623267.

Previous studies of simple gas hydration have demonstrated that the accuracy of molecular simulations at capturing the thermodynamic signatures of hydrophobic hydration is linked both to the fidelity of the water model at replicating the experimental liquid density at...

Apical functionalization of chiral heterohelicenes.

The Journal of organic chemistry

Surampudi SK, Nagarjuna G, Okamoto D, Chaudhuri PD, Venkataraman D.
PMID: 22283229
J Org Chem. 2012 Feb 17;77(4):2074-9. doi: 10.1021/jo202623u. Epub 2012 Feb 02.

We describe a synthetic protocol to selectively functionalize chiral bridged triarylamines at the apical position using regioselective copper-catalyzed amination reaction. This protocol allows the coupling of diphenylamines with a sterically hindered but electronically activated aryl-Br bond in the presence...

A case of cervical ectopic pregnancy: successful therapy with methotrexate.

Journal of obstetrics and gynaecology of India

Surampudi K.
PMID: 24293854
J Obstet Gynaecol India. 2012 Dec;62:1-3. doi: 10.1007/s13224-013-0351-0. Epub 2013 Mar 12.

No abstract available.

Showing 1 to 12 of 30 entries