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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 7,123 877
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 10,396 660
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  
  4 10,062 935
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 3,848 422
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 4,212 409
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 4,719 472
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 4,020 683
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 4,834 787
TECHNICAL NOTES
How to select appropriate statistical test?
Jaykaran
October-December 2010, 1(2):61-63
DOI:10.4103/0976-9234.75708  
  3 51,649 4,998
COMMENTARY
Negative results as part of quality research: An insight
Javed Ali
July-September 2010, 1(1):4-5
DOI:10.4103/0976-9234.68867  
  2 2,660 585
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 3,899 605
Anticonvulsant activity of Passiflora incarnata: No role of chrysin
Bhupinder Singh, Awanish Mishra, Rajesh Kumar Goel
July-December 2011, 2(2):51-54
DOI:10.4103/0976-9234.90208  
  2 6,173 2,629
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 4,500 505
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  
  2 3,048 436
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 5,387 480
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 6,581 2,172
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 3,557 478
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 3,396 285
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 4,811 2,264
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 4,440 1,612
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 1,458 284
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 2,798 348
Lack of brine shrimp lethality and hemagglutination activity in Grewia asiatica Linn
Abidah Parveen, Mohammad Irfan, Muhammad Saleem Jilani, Kashif Wasim, Mehwish Kiran, Fida Muhammad
January-December 2013, 4(1):1-4
DOI:10.4103/0976-9234.116754  
  1 3,313 9,411
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 8,542 1,013
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 2,928 376
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