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Journal of Pharmaceutical Negative Results
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ORIGINAL ARTICLES
Influence of solvents on the crystal habit and properties of rofecoxib and celecoxib: No evidence of polymorphism
MK Raval, PR Sathesh Babu, J Thimmasetty, RK Parikh, NR Sheth, C.V.S. Subrahmanyam
October-December 2010, 1(2):40-50
DOI:10.4103/0976-9234.75704  
  5 6,351 786
No evidence of antiseptic properties and low toxicity of selected Aloe species
L Mpala, G Chikowe, IE Cock
July-September 2010, 1(1):10-16
DOI:10.4103/0976-9234.68869  
  4 9,570 571
Negative regulation of glucose uptake by Costus pictus in L6 myotube cell line
Anil Pareek, Manish Suthar, Ashok Godavarthi, Manoj Goyal, Vijay Bansal
July-September 2010, 1(1):24-26
DOI:10.4103/0976-9234.68872  
  3 8,963 829
Negative intercepts in the Heckel analysis of the crude extract of Vernonia galamensis: A major setback of the equation
Musa Autamashih, Adamu B Isah, Teriyila S Allagh
January-June 2011, 2(1):14-19
DOI:10.4103/0976-9234.82987  
  3 3,325 365
Quality of reporting of descriptive and inferential statistics in negative studies published in Indian medical journals
Jaykaran , Deepak Saxena, Preeti Yadav, ND Kantharia, Paresh Solanki
January-June 2011, 2(1):39-41
DOI:10.4103/0976-9234.82981  
  3 3,634 356
Ultra violet spectrophotometric method: Not possible for the simultaneous estimation of alpha one adrenoreceptor blockers
Alankar Shrivastava, Vipin Bihari Gupta
July-December 2011, 2(2):115-120
DOI:10.4103/0976-9234.90226  
  3 3,903 410
Hydroethanolic leaf extract of Ficus religiosa lacks anticonvulsant activity in acute electro and chemo convulsion mice models
Damanpreet Singh, Bikram Singh, Rajesh Kumar Goel
July-December 2011, 2(2):58-61
DOI:10.4103/0976-9234.90212  
  3 3,435 534
Insignificant anticancer activity of novel substituted pyrimidine derivatives
Anshu Chaudhary, Pramod Kumar Sharma, Shiv Jee Kashyap, Jitendra Kumar Gupta, Rupesh Dudhe, Prabhakar Verma
July-December 2011, 2(2):62-68
DOI:10.4103/0976-9234.90213  
  3 4,194 650
TECHNICAL NOTES
How to select appropriate statistical test?
Jaykaran
October-December 2010, 1(2):61-63
DOI:10.4103/0976-9234.75708  
  3 45,819 4,421
ORIGINAL ARTICLES
Absence of the antibacterial activity of the crude extracts and compounds isolated from M. rubiginosa against extended-spectrum β-lactamase producing enterobacteria
Geisiany M de Queiroz, Maria Gorete M de Souza, Tatiane C de Carvalho, Luciana A Casemiro, Wilson R Cunha, Carlos H. G. Martins
January-June 2011, 2(1):1-7
DOI:10.4103/0976-9234.82982  
  2 3,406 541
Absence of antimicrobial activity in alcoholic extract of Santalum album Linn
Vaishali Patil, GP Vadnere, Neeraj Patel
July-December 2011, 2(2):107-109
DOI:10.4103/0976-9234.90224  
  2 3,925 440
No evidence of antiprotozoal property of asteracid weeds Sphaeranthus indicus Linn
Namrata V Nemade, Manojkumar Z Chopda, Raghunath T Mahajan
January-December 2012, 3(1):46-48
DOI:10.4103/0976-9234.99666  
  2 2,281 286
Lack of the cytochrome P450 3A interaction of methanolic extract of Withania somnifera, Withaferin A, Withanolide A and Withanoside IV
Jay Savai, Alice Varghese, Nancy Pandita
January-December 2013, 4(1):26-32
DOI:10.4103/0976-9234.116766  
  2 4,479 392
Treatment with N-acetylcysteine does not alter blood glucose levels and the oxidative stress status in diabetic rats
André Valle de Bairros, Miguel Roehrs, Gianine Ribeiro, Fernando de Freitas, Ana Paula Moreira, Raquel Tonello, Cinthia Mazzanti, Mirna Leal, Vera Maria Morsch
January-December 2013, 4(1):5-12
DOI:10.4103/0976-9234.116755  
  2 5,456 1,223
In vitro pharmacological investigations of Biophytum sensitivum callus extract: Lack of potent activities
Sirigiri Chandrakala, Kokkanti Mallikarjuna, Challa Siva Reddy
January-December 2013, 4(1):60-65
DOI:10.4103/0976-9234.116760  
  2 2,938 409
No impact of neuropathy on pharmacokinetic of lamotrigine in rat model
Prameela Rani Avula, Hema Veesam
January-December 2014, 5(1):15-18
DOI:10.4103/0976-9234.136779  
  2 2,891 210
Absence of anxiolytic activity of Sarcocephalus latifolius fruit extract
David Arome, Chinedu Enegide, Solomon Fidelis Ameh, Amarachi Agbafor, Esenju Rose Mbonne, Itinegbedia Monica
January-December 2014, 5(1):4-7
DOI:10.4103/0976-9234.136772  
  2 4,156 1,171
Rofecoxib-induced deleterious effects escape detection by organismal performance assays
Shannon M Gaukler, James S Ruff, Linda C Morrison, Wayne K Potts
January-December 2016, 7(1):4-11
DOI:10.4103/0976-9234.177051  
  2 3,711 858
Absence of antibacterial, anti-candida, and anti-dengue activities of a surfactin isolated from Bacillus subtilis
William Gustavo Lima, Adriano Guimarães Parreira, Lídia Anitta Alves Nascimento, Camyla Alves Leonel, Jéssica Tauany Andrade, Juliana Maria Campos Palumbo, Adriana Cristina Soares, Paulo Afonso Granjeiro, Jaqueline Maria Siqueira Ferreira
January-December 2018, 9(1):27-32
DOI:10.4103/jpnr.JPNR_11_17  
  2 553 112
Absence of antidiabetic activity in some novel thiazolidinone derivatives
Tejprakash Singh, Pramod Kumar Sharma, Nitin Kumar, Rupesh Dudhe
January-December 2013, 4(1):39-45
DOI:10.4103/0976-9234.116768  
  1 2,184 328
Insignificant level of in vitro cytotoxicity, anti-rotavirus, antibacterial, and antifungal activities of N-alkylmaleamic acids
VJ Belinelo, M.S. Tacchi Campos, RM Antunes, R.A.G. Assenco, S.A. Vieira Filho, M.C.S. Lanna, EC Marçal, T.H.S. Fonseca, MA Gomes, JC Magalhães
January-December 2013, 4(1):19-25
DOI:10.4103/0976-9234.116762  
  1 2,535 377
Reporting of sample size and power in negative clinical trials published in Indian medical journals
Jaykaran , Preeti Yadav, ND Kantharia
July-December 2011, 2(2):87-90
DOI:10.4103/0976-9234.90220  
  1 2,929 384
Insignificant anti-acne activity of Azadirachta indica leaves and bark
Pratibha Nand, Sushma Drabu, Rajinder K Gupta
January-December 2012, 3(1):29-33
DOI:10.4103/0976-9234.99650  
  1 6,775 855
Negative effect of noscapine on human serum albumin glycation
Alireza Ahmadzadeh
January-December 2012, 3(1):34-37
DOI:10.4103/0976-9234.99654  
  1 2,392 306
Lack of antiglycation activity of fresh juice of whole plant of Enicostema axillare (Lam.) Raynal
WD Ratnasooriya, K.I.W.K Somarathna, G.A.S Premakumara, E.R.H.S.S Ediriweera
July-December 2011, 2(2):55-57
DOI:10.4103/0976-9234.90210  
  1 8,466 1,203
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