N. Selvakumar

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Simultaneous infection with multiple strains of Mycobacterium tuberculosis identified by restriction fragment length polymorphism analysis.

N. S. Mohan, S. Narayanan, S. Das, 2004, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Molecular analysis of isoniazid-resistant clinical isolates of Mycobacterium tuberculosis from India.

S. Narayanan, N. Selvakumar, P. R. Narayanan, 2008, International journal of antimicrobial agents.

Single strand conformation polymorphism profiles with biotinylated PCR products to detect mutations in rpoB gene of Mycobacterium tuberculosis

R. McNerney, N. Selvakumar, P. R. Narayanan, 1997 .

Evaluation of a Diagnostic Algorithm for Sputum Smear–Negative Pulmonary Tuberculosis in HIV-Infected Adults

S. Swaminathan, N. Selvakumar, S. Tripathy, 2013, Journal of acquired immune deficiency syndromes.

The Assessment of Viability of M. Tuberculosis after Exposure to CPC Using Different Methods

N. Selvakumar, G. Sekar, R. Lakshmi, 2014, International journal of bacteriology.

Drug resistance among different genotypes of Mycobacterium tuberculosis isolated from patients from Tiruvallur, South India.

S. Narayanan, N. Selvakumar, S. Shanmugam, 2011, Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases.

Mutations in the rpoB Gene of Multidrug-Resistant Mycobacterium tuberculosis Clinical Isolates from India

S. Narayanan, N. Selvakumar, P. R. Narayanan, 2001, Journal of Clinical Microbiology.

Comparison of DNA sequencing, PCR-SSCP and PhaB assays with indirect sensitivity testing for detection of rifampicin resistance in Mycobacterium tuberculosis.

S. Narayanan, N. Selvakumar, P. R. Narayanan, 2003, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Use of streptavidin magnetic beads in single strand conformation polymorphism profiles to detect mutations in rpoB gene of M.tuberculosis

R. McNerney, N. Selvakumar, P. R. Narayanan, 1998 .

VIRULENCE IN ISONIAZID-RESISTANT CLINICAL ISOLATES OF MYCOBACTERIUM TUBERCULOSIS FROM SOUTH INDIA

S. Narayanan, N. Selvakumar, A. N. Unissa, 2011 .

Randomized Clinical Trial of Thrice-Weekly 4-Month Moxifloxacin or Gatifloxacin Containing Regimens in the Treatment of New Sputum Positive Pulmonary Tuberculosis Patients

P. Venkatesan, Vanaja Kumar, N. Selvakumar, 2013, PloS one.

Predictors of relapse among pulmonary tuberculosis patients treated in a DOTS programme in South India.

Chandrasekaran, N. Selvakumar, P. R. Narayanan, 2005, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Inefficiency of 0.3% Carbol Fuchsin in Ziehl-Neelsen Staining for Detecting Acid-Fast Bacilli

T. Frieden, N. Selvakumar, P. R. Narayanan, 2002, Journal of Clinical Microbiology.

Sputum conversion at the end of intensive phase of Category-1 regimen in the treatment of pulmonary tuberculosis patients with diabetes mellitus or HIV infection: An analysis of risk factors.

S. Swaminathan, N. Selvakumar, P. R. Narayanan, 2007, The Indian journal of medical research.

Quality indicators in a mycobacteriology laboratory supporting clinical trials for pulmonary tuberculosis.

Vanaja Kumar, N. Selvakumar, C. Ponnuraja, 2012, International journal of mycobacteriology.

Are community surveys to detect tuberculosis in high prevalence areas useful? Results of a comparative study from Tiruvallur District, South India.

T. Frieden, N. Selvakumar, P. R. Narayanan, 2003, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Comparison of cough of 2 and 3 weeks to improve detection of smear-positive tuberculosis cases among out-patients in India.

T. Frieden, N. Selvakumar, P. R. Narayanan, 2005, The International Journal of Tuberculosis and Lung Disease.

Smear examination of two specimens for diagnosis of pulmonary tuberculosis in Tiruvallur District, south India.

N. Selvakumar, P. R. Narayanan, R. Subramani, 2004, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Evaluation of the Phenol Ammonium Sulfate Sedimentation Smear Microscopy Method for Diagnosis of Pulmonary Tuberculosis

N. S. Mohan, T. Frieden, N. Selvakumar, 2002, Journal of Clinical Microbiology.

Risk factors associated with default, failure and death among tuberculosis patients treated in a DOTS programme in Tiruvallur District, South India, 2000.

T. Frieden, Renu K. Garg, N. Selvakumar, 2002, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Five year results of a 3-month and two 5-month regimens for the treatment of sputum-positive pulmonary tuberculosis in south India.

N. Selvakumar, C. N. Paramasivan, V. Vijayan, 1990, Tubercle.

Association of conversion & cure with initial smear grading among new smear positive pulmonary tuberculosis patients treated with Category I regimen.

N. Selvakumar, P. R. Narayanan, R. Subramani, 2006, The Indian journal of medical research.

Right of access to health care for undocumented migrants in EU: a comparative study of national policies

N. Selvakumar, R. Yadav, P. G. Gopi, 2012 .

Pot method for storage & detection of acid-fast bacilli from sputum samples.

Vanaja Kumar, N. Selvakumar, P. R. Narayanan, 2008, The Indian journal of medical research.

Phenol ammonium sulphate basic fuchsin staining of sputum in pot for the detection of acid-fast bacilli.

Vanaja Kumar, N. Selvakumar, P. R. Narayanan, 2008, The Indian journal of medical research.

A novel method of staining acid-fast bacilli in sputum containers.

N. Selvakumar, P. R. Narayanan, S. Sivagamasundari, 2006, The Indian journal of medical research.

Evaluation of a two-reagent cold staining method for detection of acid-fast bacilli.

M. Gomathi, N. Selvakumar, P. R. Narayanan, 2002, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Trends in the prevalence of pulmonary tuberculosis over a period of seven and half years in a rural community in south India with DOTS.

N. Selvakumar, P. R. Narayanan, S. Radhakrishna, 2013, The Indian journal of tuberculosis.

Pulmonary tuberculosis: a public health problem amongst the Saharia, a primitive tribe of Madhya Pradesh, Central India.

N. Selvakumar, R. Yadav, P. G. Gopi, 2010, International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases.

Prevalence of pulmonary tuberculosis amongst the tribal population of Madhya Pradesh, central India.

N. Selvakumar, R. Yadav, P. G. Gopi, 2009, International journal of epidemiology.

Efficacy of the 6-month thrice-weekly regimen in the treatment of new sputum smear-positive pulmonary tuberculosis under clinical trial conditions.

N. Selvakumar, K. Rajaram, R. Parthasarathy, 2012, The National medical journal of India.

Management of multi drug resistance tuberculosis in the field: Tuberculosis Research Centre experience.

N. S. Mohan, N. Selvakumar, P. R. Narayanan, 2007, The Indian journal of tuberculosis.

Is it worth treating category I failure patients with category II regimen

Chandrasekaran, N. Selvakumar, P. R. Narayanan, 2005 .

Lot Quality Assurance Sampling of Sputum Acid-Fast Bacillus Smears for Assessing Sputum Smear Microscopy Centers

R. Govindaraju, N. Selvakumar, P. R. Narayanan, 2005, Journal of Clinical Microbiology.

Comparison of variants of carbol-fuchsin solution in Ziehl-Neelsen for detection of acid-fast bacilli.

N. Selvakumar, P. R. Narayanan, M. Duraipandian, 2005, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

CEREBROSPINAL FLUID ADENOSINE DEAMINASE AND LYSOZYME LEVELS IN THE DIAGNOSIS OF TUBERCULOUS MENINGITIS

N. Selvakumar, R. Prabhakar, M. Duraipandian, 1991 .

Cerebrospinal fluid lysozyme in the diagnosis of tuberculous meningitis.

N. Selvakumar, R. Prabhakar, G. Acharyulu, 1985, The Indian journal of medical research.

Bioprospecting of marine derived actinomycetes with special reference to antimycobacterial activity

M. Doble, M. Radhakrishnan, R. Balagurunathan, 2011 .

Policy Guidance on Drug-Susceptibility Testing (DST) of Second-Line Antituberculosis Drugs

K. Kam, P. Small, M. Yagui, 2008 .

Proficiency to read sputum AFB smears by senior tuberculosis laboratory supervisors under training at a reference laboratory in India

N. Selvakumar, P. R. Narayanan, V. Kumaraswami, 2005 .

High Rates of Ofloxacin Resistance in Mycobacterium tuberculosis among Both New and Previously Treated Patients in Tamil Nadu, South India

Tyagi, S. Swaminathan, P. Dewan, 2015, PloS one.

Overview on mechanisms of isoniazid action and resistance in Mycobacterium tuberculosis.

L. Hanna, N. Selvakumar, S. Subbian, 2016, Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases.

Isolation of tubercle bacilli from sputum samples of patients in the field studies by the cetylpyridinium chloride-sodium chloride & sodium hydroxide methods.

M. Datta, N. Selvakumar, C. N. Paramasivan, 1995, The Indian journal of medical research.

Selected risk factors associated with pulmonary tuberculosis among Saharia tribe of Madhya Pradesh, central India.

N. Selvakumar, P. G. Gopi, D. F. Wares, 2012, European journal of public health.

Estimation of burden of tuberculosis in India for the year 2000.

N. Selvakumar, P. R. Narayanan, C. Kolappan, 2005, The Indian journal of medical research.

Rapid decline in prevalence of pulmonary tuberculosis after DOTS implementation in a rural area of South India.

T. Frieden, N. Selvakumar, P. R. Narayanan, 2008, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Prevalence of pulmonary tuberculosis amongst the Baigas--a primitive tribe of Madhya Pradesh, Central India.

N. Selvakumar, R. Yadav, P. G. Gopi, 2010, The Indian journal of tuberculosis.

Prevalence of pulmonary tuberculosis among the Bharia, a primitive tribe of Madhya Pradesh, central India.

N. Selvakumar, P. G. Gopi, D. F. Wares, 2010, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Transportation of lymph node biopsy specimens in selective Kirchner's liquid medium for culture of tubercle bacilli.

N. Selvakumar, C. N. Paramasivan, K. Rajaram, 1997, Journal of medical microbiology.

Ziehl-Neelsen staining: strong red on weak blue, or weak red under strong blue?

R. Lumb, K. Kam, A. Van Deun, 2007, The International Journal of Tuberculosis and Lung Disease.

Investigation of Ser315 Substitutions within katG Gene in Isoniazid-Resistant Clinical Isolates of Mycobacterium tuberculosis from South India

S. Narayanan, L. Hanna, N. Selvakumar, 2015, BioMed research international.

Initial drug susceptibility profile of M. tuberculosis among patients under TB programme in South India.

N. Selvakumar, P. R. Narayanan, C. Paramasivan, 2006, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Storage of heat-fixed unstained sputum AFB smears for panel testing in a tuberculosis unit in South India.

R. Granich, R. Govindaraju, N. Selvakumar, 2005, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Blinded rechecking of sputum smears for acid-fast bacilli to ensure the quality and usefulness of restaining smears to assess false-positive errors.

N. Selvakumar, P. R. Narayanan, S. Srinivasan, 2003, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Active community surveillance of the impact of different tuberculosis control measures, Tiruvallur, South India, 1968-2001.

T. Frieden, N. Selvakumar, P. R. Narayanan, 2007, International journal of epidemiology.

Blinded rechecking of acid-fast bacilli smears by light-emitting diode microscopy.

N. Selvakumar, R. Radhakrishnan, A. Thomas, 2013, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Reduced detection by Ziehl-Neelsen method of acid-fast bacilli in sputum samples preserved in cetylpyridinium chloride solution.

T. Frieden, S. Sudhamathi, N. Selvakumar, 2004, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

USE OF CETYLPYRIDINI UM CHLORIDE FOR STORAGE OF SPUTUM SPECIMENS AND ISOLATION OF M. TUBERCULOSIS

N. Selvakumar, R. Prabhakar, D. Suryanarayanan, 1993 .

Extensively drug-resistant tuberculosis: experience at the Tuberculosis Research Centre, Chennai, India.

N. Selvakumar, D. Nair, A. Thomas, 2011, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Diagnostic luciferase reporter phage assay for active and non-replicating persistors to detect tubercle bacilli from sputum samples.

N. Selvakumar, V. N. A. Dusthackeer, N. Gomathi, 2012, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Performance indicators of fluorescence microscopy for sputum samples in pulmonary tuberculosis.

Vanaja Kumar, N. Selvakumar, C. Ponnuraja, 2012, International journal of mycobacteriology.

No time to be complacent with the performance of tuberculosis control activities in tribal areas of India.

N. Selvakumar, P. G. Gopi, D. F. Wares, 2011, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Application of lot sampling of sputum AFB smears for the assessment of microscopy centres.

R. Govindaraju, N. Selvakumar, P. R. Narayanan, 2005, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Isolation of Mycobacterium tuberculosis from cerebrospinal fluid by the centrifugation & filtration methods.

N. Selvakumar, C. N. Paramasivan, N. Thilothammal, 1996, The Indian journal of medical research.

ELUCIDATING PYRAZINAMIDE RESISTANCE IN MYCOBACTERIUM TUBERCULOSIS BY MOLECULAR DOCKING

N. Selvakumar, S. Sudha, A. N. Unissa, 2011 .

Influence of drug susceptibility on treatment outcome and susceptibility profile of 'failures' to category II regimen

Chandrasekaran, N. Selvakumar, R. Subramani, 2006 .

Binding of activated isoniazid with acetyl-CoA carboxylase from Mycobacterium tuberculosis

S. Hassan, N. Selvakumar, S. Sudha, 2011, Bioinformation.

Evaluation of a Diagnostic Algorithm for Sputum Smear–Negative Pulmonary Tuberculosis in HIV-Infected Adults

S. Swaminathan, N. Selvakumar, S. Tripathy, 2013, Journal of Acquired Immune Deficiency Syndromes.

Separation of DNA strands facilitates detection of point mutations by PCR-SSCP.

N. Selvakumar, S. Wilson, B. Ding, 1997, BioTechniques.

Bioluminescence assay of adenosine triphosphate in drug susceptibility testing of Mycobacterium tuberculosis.

P. Venkatesan, N. Selvakumar, V. Kumar, 1998, The Indian journal of medical research.

In vitro susceptibility of Mycobacterium tuberculosis to trifluoperazine

Vanaja Kumar, N. Selvakumar, R. Prabhakar, 1997 .