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Papers authored by Ramakrishna G

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A flexible enantioselective total synthesis of diospongins a and B and their enantiomers using catalytic hetero-diels-alder/rh-catalyzed 1,4-addition and asymmetric transfer hydrogenation reactions as key steps.

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Kumaraswamy G, Ramakrishna G, Naresh P, Jagadeesh B, and Sridhar B

The Journal of organic chemistry 74(21):8468-71, 2009 Nov 6 - Who cited this? | PubMed ID: 19817354 | Fulltext

Reprogramming of HeLa cells upon DNMT3L overexpression mimics carcinogenesis.

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Gokul G, Ramakrishna G, and Khosla S

Epigenetics : official journal of the DNA Methylation Society 4(5):322-9, 2009 Jul - Who cited this? | PubMed ID: 19625766 | Fulltext

Suitability of self-collected vaginal samples for cervical cancer screening in periurban villages in Andhra Pradesh, India.

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Sowjanya AP, Paul P, Vedantham H, Ramakrishna G, Vidyadhari D, Vijayaraghavan K, Laksmi S, Sudula M, Ronnett BM, Das M, Shah KV, Gravitt PE, and Community Access to Cervical Health Study Group

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 18(5):1373-8, 2009 May - Who cited this? | PubMed ID: 19423518 | Fulltext

miRNA and neurons.

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Trivedi S and Ramakrishna G

The International journal of neuroscience 119(11):1995-2016, 2009 - Who cited this? | PubMed ID: 19863258 | Fulltext

The burden of fatal and non-fatal injury in rural India.

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Cardona M, Joshi R, Ivers RQ, Iyengar S, Chow CK, Colman S, Ramakrishna G, Dandona R, Stevenson MR, and Neal BC

Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention 14(4):232, 2008 Aug - Who cited this? | PubMed ID: 18676781 | Fulltext

Oligothiophene dendrimers as new building blocks for optical applications.

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Ramakrishna G, Bhaskar A, Bauerle P, Ma CQ, and Goodson TG

The journal of physical chemistry. A 112(27):6235, 2008 Jul 10 - Who cited this? | PubMed ID: 18549194 | Fulltext

Quantum-sized gold clusters as efficient two-photon absorbers.

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Ramakrishna G, Varnavski O, Kim J, Lee D, and Goodson T

Journal of the American Chemical Society 130(15):5032-3, 2008 Apr 16 - Who cited this? | PubMed ID: 18357982 | Fulltext

Giant thienylene-acetylene-ethylene macrocycles with large two-photon absorption cross section and semishape-persistence.

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Williams-Harry M, Bhaskar A, Ramakrishna G, Goodson T, Imamura M, Mawatari A, Nakao K, Enozawa H, Nishinaga T, and Iyoda M

Journal of the American Chemical Society 130(11):3252-3, 2008 Mar 19 - Who cited this? | PubMed ID: 18293979 | Fulltext

Oligothiophene dendrimers as new building blocks for optical applications.

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Ramakrishna G, Bhaskar A, Bauerle P, and Iii TG

The journal of physical chemistry. A 112(10):2018-26, 2008 Mar 13 - Who cited this? | PubMed ID: 18044856 | Fulltext

Physicochemical and photophysical studies on porphyrin-based donor-acceptor systems: effect of redox potentials on ultrafast electron-transfer dynamics.

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Jose DA, Shukla AD, Ramakrishna G, Palit DK, Ghosh HN, and Das A

The journal of physical chemistry. B 111(30):9078-87, 2007 Aug 2 - Who cited this? | PubMed ID: 17625819 | Fulltext

Relationship and prognostic value of coronary artery calcification by electron beam computed tomography to stress-induced ischemia by single photon emission computed tomography.

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Ramakrishna G, Miller TD, Breen JF, Araoz PA, Hodge DO, and Gibbons RJ

American heart journal 153(5):807-14, 2007 May - Who cited this? | PubMed ID: 17452158 | Fulltext

Interparticle electromagnetic coupling in assembled gold-necklace nanoparticles.

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Ramakrishna G, Dai Q, Zou J, Huo Q, and Goodson T

Journal of the American Chemical Society 129(7):1848-9, 2007 Feb 21 - Who cited this? | PubMed ID: 17260989 | Fulltext

Excited-state deactivation of branched two-photon absorbing chromophores: a femtosecond transient absorption investigation.

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Ramakrishna G and Goodson T

The journal of physical chemistry. A 111(6):993-1000, 2007 Feb 15 - Who cited this? | PubMed ID: 17249643 | Fulltext

Enhancement of two-photon absorption cross-section in macrocyclic thiophenes with cavities in the nanometer regime.

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Bhaskar A, Ramakrishna G, Hagedorn K, Varnavski O, Mena-Osteritz E, Bäuerle P, and Iii TG

The journal of physical chemistry. B 111(5):946-54, 2007 Feb 8 - Who cited this? | PubMed ID: 17266247 | Fulltext

DNA methylation profile at the DNMT3L promoter: a potential biomarker for cervical cancer.

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Gokul G, Gautami B, Malathi S, Sowjanya AP, Poli UR, Jain M, Ramakrishna G, and Khosla S

Epigenetics : official journal of the DNA Methylation Society 2(2):80-5, 2007 - Who cited this? | PubMed ID: 17965599 | Fulltext

Relationship between coronary artery calcification detected by electron-beam computed tomography and abnormal stress echocardiography: association and prognostic implications.

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Ramakrishna G, Breen JF, Mulvagh SL, McCully RB, and Pellikka PA

Journal of the American College of Cardiology 48(10):2125-31, 2006 Nov 21 - Who cited this? | PubMed ID: 17113002 | Fulltext

Ultrafast excited state relaxation dynamics of branched donor-pi-acceptor chromophore: evidence of a charge-delocalized state.

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Ramakrishna G, Bhaskar A, and Goodson T

The journal of physical chemistry. B 110(42):20872-8, 2006 Oct 26 - Who cited this? | PubMed ID: 17048901 | Fulltext

Investigation of two-photon absorption properties in branched alkene and alkyne chromophores.

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Bhaskar A, Ramakrishna G, Lu Z, Twieg R, Hales JM, Hagan DJ, Van Stryland E, and Goodson T

Journal of the American Chemical Society 128(36):11840-9, 2006 Sep 13 - Who cited this? | PubMed ID: 16953624 | Fulltext

Differences in left ventricular ejection fraction and volumes measured at rest and poststress by gated sestamibi SPECT.

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Ramakrishna G, Miller TD, Hodge DO, O'Connor MK, and Gibbons RJ

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology 13(5):668-74, 2006 Sep - Who cited this? | PubMed ID: 16945747 | Fulltext

Ultrafast dynamics and excited state deactivation of [Ru(bpy)2Sq]+ and its derivatives.

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Ramakrishna G, Jose DA, Kumar DK, Das A, Palit DK, and Ghosh HN

The journal of physical chemistry. B 110(20):10197-203, 2006 May 25 - Who cited this? | PubMed ID: 16706483 | Fulltext

Interfacial electron transfer between the photoexcited porphyrin molecule and TiO2 nanoparticles: effect of catecholate binding.

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Ramakrishna G, Verma S, Jose DA, Kumar DK, Das A, Palit DK, and Ghosh HN

The journal of physical chemistry. B 110(18):9012-21, 2006 May 11 - Who cited this? | PubMed ID: 16671709 | Fulltext

Safety of expedited anticoagulation in patients undergoing transesophageal echocardiographic-guided cardioversion.

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Wu LA, Chandrasekaran K, Friedman PA, Ammash NM, Ramakrishna G, Hart CY, Moon BS, Herges RM, Rosales AG, and Malouf JF

The American journal of medicine 119(2):142-6, 2006 Feb - Who cited this? | PubMed ID: 16443416 | Fulltext

Electron injection into the surface states of ZrO2 nanoparticles from photoexcited quinizarin and its derivatives: effect of surface modification.

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Rath MC, Ramakrishna G, Mukherjee T, and Ghosh HN

The journal of physical chemistry. B 109(43):20485-92, 2005 Nov 3 - Who cited this? | PubMed ID: 16853651 | Fulltext

Ultrafast intermolecular hydrogen bond dynamics in the excited state of fluorenone.

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Samant V, Singh AK, Ramakrishna G, Ghosh HN, Ghanty TK, and Palit DK

The journal of physical chemistry. A 109(39):8693-704, 2005 Oct 6 - Who cited this? | PubMed ID: 16834271 | Fulltext

Calcific retinal embolism as an indicator of severe unrecognised cardiovascular disease.

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Ramakrishna G, Malouf JF, Younge BR, Connolly HM, and Miller FA

Heart (British Cardiac Society) 91(9):1154-7, 2005 Sep - Who cited this? | PubMed ID: 16103545 | Fulltext

Strongly coupled ruthenium-polypyridyl complexes for efficient electron injection in dye-sensitized semiconductor nanoparticles.

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Ramakrishna G, Jose DA, Kumar DK, Das A, Palit DK, and Ghosh HN

The journal of physical chemistry. B 109(32):15445-53, 2005 Aug 18 - Who cited this? | PubMed ID: 16852959 | Fulltext

Apical ballooning syndrome in a postoperative patient with normal microvascular perfusion by myocardial contrast echocardiography.

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Ramakrishna G, Ravi BS, and Chandrasekaran K

Echocardiography (Mount Kisco, N.Y.) 22(7):606-10, 2005 Aug - Who cited this? | PubMed ID: 16060899 | Fulltext

Impact of pulmonary hypertension on the outcomes of noncardiac surgery: predictors of perioperative morbidity and mortality.

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Ramakrishna G, Sprung J, Ravi BS, Chandrasekaran K, and McGoon MD

Journal of the American College of Cardiology 45(10):1691-9, 2005 May 17 - Who cited this? | PubMed ID: 15893189 | Fulltext

Inositol hexaphosphate (IP6) blocks proliferation of human breast cancer cells through a PKCdelta-dependent increase in p27Kip1 and decrease in retinoblastoma protein (pRb) phosphorylation.

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Vucenik I, Ramakrishna G, Tantivejkul K, Anderson LM, and Ramljak D

Breast cancer research and treatment 91(1):35-45, 2005 May - Who cited this? | PubMed ID: 15868430 | Fulltext

Synthesis, characterization, physicochemical, and photophysical studies of redox switchable NIR dye derived from a ruthenium-dioxolene-porphyrin system.

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Jose DA, Shukla AD, Kumar DK, Ganguly B, Das A, Ramakrishna G, Palit DK, and Ghosh HN

Inorganic chemistry 44(7):2414-25, 2005 Apr 4 - Who cited this? | PubMed ID: 15792478 | Fulltext

Ultrafast intermolecular electron transfer dynamics: Perylene in electron-accepting micellar medium.

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Singh AK, Mondal JA, Ramakrishna G, Ghosh HN, Bandyopadhyay T, and Palit DK

The journal of physical chemistry. B 109(9):4014-23, 2005 Mar 10 - Who cited this? | PubMed ID: 16851458 | Fulltext

Effect of exercise treadmill testing and stress imaging on the triage of patients with chest pain: CHEER substudy.

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Ramakrishna G, Milavetz JJ, Zinsmeister AR, Farkouh ME, Evans RW, Allison TG, Smars PA, and Gibbons RJ

Mayo Clinic proceedings. Mayo Clinic 80(3):322, 2005 Mar - Who cited this? | PubMed ID: 15757012 | Fulltext

The wild-type Ras: road ahead.

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Singh A, Sowjanya AP, and Ramakrishna G

The FASEB journal : official publication of the Federation of American Societies for Experimental Biology 19(2):161-9, 2005 Feb - Who cited this? | PubMed ID: 15677339 | Fulltext

A curricular initiative for internal medicine residents to enhance proficiency in internal jugular central venous line placement.

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Ramakrishna G, Higano ST, McDonald FS, and Schultz HJ

Mayo Clinic proceedings. Mayo Clinic 80(2):212-8, 2005 Feb - Who cited this? | PubMed ID: 15704776 | Fulltext

Prevalence and distribution of high-risk human papilloma virus (HPV) types in invasive squamous cell carcinoma of the cervix and in normal women in Andhra Pradesh, India.

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Sowjanya AP, Jain M, Poli UR, Padma S, Das M, Shah KV, Rao BN, Devi RR, Gravitt PE, and Ramakrishna G

BMC infectious diseases 5:116, 2005 - Who cited this? | PubMed ID: 16371167 | Fulltext

Tobacco use among medical students in Orissa.

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Ramakrishna GS, Sankara Sarma P, and Thankappan KR

The National medical journal of India 18(6):285-9, 2005 - Who cited this? | PubMed ID: 16483025 | Fulltext

Determination of back electron transfer rate from the surface states of quinizarin-sensitized ZrO2 nanoparticles by monitoring charge transfer emission.

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Ramakrishna G and Ghosh HN

Langmuir : the ACS journal of surfaces and colloids 20(17):7342-5, 2004 Aug 17 - Who cited this? | PubMed ID: 15301525 | Fulltext

Effect of surface modification on back electron transfer dynamics of dibromo fluorescein sensitized TiO2 nanoparticles.

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Ramakrishna G, Das A, and Ghosh HN

Langmuir : the ACS journal of surfaces and colloids 20(4):1430-5, 2004 Feb 17 - Who cited this? | PubMed ID: 15803730 | Fulltext

Significant breast uptake of Tc-99m sestamibi in an actively lactating woman during SPECT myocardial perfusion imaging.

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Ramakrishna G and Miller TD

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology 11(2):222-3, 2004 - Who cited this? | PubMed ID: 15052253 | Fulltext

Endocardial flap of left atrial dissection following radiofrequency ablation.

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Ramakrishna G, Cote AV, Chandrasekaran K, and Malouf JF

Pacing and clinical electrophysiology : PACE 26(8):1771-3, 2003 Aug - Who cited this? | PubMed ID: 12877715 | Fulltext

Resolution of severe paraplegia due to aortic dissection after CSF drainage.

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Blacker DJ, Wijdicks EF, and Ramakrishna G

Neurology 61(1):142-3, 2003 Jul 8 - Who cited this? | PubMed ID: 12847182 | Fulltext

A novel means of feedback for the Emergency Response Team.

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Ramakrishna G, Schiebel NE, and Schultz HJ

Medical education 37(5):487-8, 2003 May - Who cited this? | PubMed ID: 12709213 | Fulltext

Iron and peripheral arterial disease: revisiting the iron hypothesis in a different light.

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Ramakrishna G, Rooke TW, and Cooper LT

Vascular medicine (London, England) 8(3):203-10, 2003 - Who cited this? | PubMed ID: 14989563 | Fulltext

A mixed approach to artifacts minimization in a continuous-rotate X-ray based tomographic imaging system using linear detector array.

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Kumar U and Ramakrishna GS

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 57(4):543-55, 2002 Oct - Who cited this? | PubMed ID: 12361334 | Fulltext

Increased K-ras protein and activity in mouse and human lung epithelial cells at confluence.

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Kammouni W, Ramakrishna G, Sithanandam G, Smith GT, Fornwald LW, Masuda A, Takahashi T, and Anderson LM

Cell growth & differentiation : the molecular biology journal of the American Association for Cancer Research 13(9):441-8, 2002 Sep - Who cited this? | PubMed ID: 12354753 | Fulltext

Alterations in membrane-bound and cytoplasmic K-ras protein levels in mouse lung induced by treatment with lovastatin, cholestyramine, or niacin: effects are highly mouse strain dependent.

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Calvert RJ, Ramakrishna G, Tepper S, Diwan BA, Anderson LM, and Kritchevsky D

Biochemical pharmacology 64(1):41-8, 2002 Jul 1 - Who cited this? | PubMed ID: 12106604 | Fulltext

A real-time computer model to assess resident work-hours scenarios.

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McDonald FS, Ramakrishna G, and Schultz HJ

Academic medicine : journal of the Association of American Medical Colleges 77(7):752, 2002 Jul - Who cited this? | PubMed ID: 12114175 | Fulltext

Down-regulation of von Hippel-Lindau protein in N-nitroso compound-induced rat non-clear cell renal tumors.

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Shiao YH, Ramakrishna G, Anderson LM, Perantoni AO, Rice JM, and Diwan BA

Cancer letters 179(1):33-8, 2002 May 8 - Who cited this? | PubMed ID: 11880179 | Fulltext

Decrease in K-ras p21 and increase in Raf1 and activated Erk 1 and 2 in murine lung tumors initiated by N-nitrosodimethylamine and promoted by 2,3,7,8-tetrachlorodibenzo-p-dioxin.

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Ramakrishna G, Perella C, Birely L, Diwan BA, Fornwald LW, and Anderson LM

Toxicology and applied pharmacology 179(1):21-34, 2002 Feb 15 - Who cited this? | PubMed ID: 11884234 | Fulltext

Heterozygous inactivation of TGF-beta1 increases the susceptibility to chemically induced mouse lung tumorigenesis independently of mutational activation of K-ras.

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McKenna IM, Ramakrishna G, Diwan BA, Kang Y, Shiao YH, Wakefield LM, Powell DA, Anderson LM, and Jakowlew SB

Toxicology letters 123(2-3):151-8, 2001 Sep 15 - Who cited this? | PubMed ID: 11641043 | Fulltext

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