Works by Panda, Suman

Results: 54

Dynamic G‐Quadruplexes in the Rous Sarcoma Virus Genome: Scaffolds for Protein Interaction and Potential Anti‐Viral Targets.

Published in:

ChemBioChem, 2025, v. 26, n. 9, p. 1, doi. 10.1002/cbic.202400941

By:

Bose, Debopriya;
Panda, Suman;
Banerjee, Nilanjan;
Chatterjee, Subhrangsu

Publication type:

Article

Teledentistry: The Need of An Hour During Pandemic COVID-19.

Published in:

Indian Journal of Forensic Medicine & Toxicology, 2021, v. 15, n. 2, p. 1706, doi. 10.37506/ijfmt.v15i2.14584

By:

Prajapat, S. Jyoti;
Prajapat, Rajesh;
H. K., Sowmya;
Panda, Suman;
Khanagar, Sanjeev B.;
Maganur, Prabhadevi C.;
Vishwanathaiah, Satish

Publication type:

Article

Analytical procedure development: Concept to application for chemometry based ultrafast LC estimation of pimavanserin in pharmaceuticals.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2020, v. 43, n. 3/4, p. 118, doi. 10.1080/10826076.2019.1680389

By:

Panda, Sagar Suman;
Bera, Ravi Kumar Venkata Varaha;
Mohanty, Sonal;
Panigrahi, Subham;
Sahu, Biswajit

Publication type:

Article

Quantitative estimation of mebeverine hydrochloride in sustained-release dosage form using an analytical lifecycle management oriented stability-indicating LC method.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2018, v. 41, n. 10, p. 637, doi. 10.1080/10826076.2018.1500376

By:

Panda, Sagar Suman;
Ravi Kumar Bera, Venkata Varaha;
Sahoo, Padmalaya;
Sahu, Biswajit

Publication type:

Article

Integrated quality by design (QbD) and design of experiments (DoE) approach for UFLC determination of telaprevir in rat serum.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2017, v. 40, n. 19, p. 951, doi. 10.1080/10826076.2017.1387558

By:

Panda, Sagar Suman;
Sharma, Khusbu;
Mohanty, Bijeta;
Bera, Ravi Kumar Venkata Varaha;
Acharjya, Sasmita Kumari;
Beg, Sarwar

Publication type:

Article

Applications of Monte-Carlo simulation and chemometric techniques for development of bioanalytical liquid chromatography method for estimation of rosuvastatin calcium.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2017, v. 40, n. 18, p. 907, doi. 10.1080/10826076.2017.1382377

By:

Beg, Sarwar;
Panda, Sagar Suman;
Katare, O. P.;
Singh, Bhupinder

Publication type:

Article

Quality by Design enabled enhanced bioanalytical extraction and UFLC determination of vilazodone from rat serum.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2017, v. 40, n. 15, p. 775, doi. 10.1080/10826076.2017.1360908

By:

Panda, Sagar Suman;
Sharma, Khusbu;
Mohanty, Bijeta;
Bera, Ravi kumar Venkata Varaha;
Acharjya, Sasmita Kumari;
Chowdhury, Bimalendu

Publication type:

Article

Analytical Quality by Design (AQbD)-oriented RP-UFLC method for quantification of lansoprazole with superior method robustness.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2017, v. 40, n. 9, p. 479, doi. 10.1080/10826076.2017.1327442

By:

Panda, Sagar Suman;
Ravi Kumar Bera, Venkata Varaha;
Beg, Sarwar;
Mandal, Omkar

Publication type:

Article

QbD-driven development and validation of an efficient bioanalytical UPLC method for estimation of olmesartan medoxomil.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2016, v. 39, n. 13, p. 587, doi. 10.1080/10826076.2016.1206023

By:

Beg, Sarwar;
Jain, Atul;
Kaur, Ranjot;
Panda, Sagar Suman;
Katare, O. P.;
Singh, Bhupinder

Publication type:

Article

Role of hyaluronic acid in periodontal therapy (Review).

Published in:

Biomedical Reports, 2022, v. 17, n. 5, p. N.PAG, doi. 10.3892/br.2022.1574

By:

Bhati, Ashok;
Fageeh, Hytham;
Ibraheem, Wael;
Fageeh, Hammam;
Chopra, Harneet;
Panda, Suman

Publication type:

Article

Liquid chromatographic methods for simultaneous quantification of fixed‐dose combinations of pantoprazole with itopride and ondansetron: Application to method greenness assessment.

Published in:

Separation Science Plus, 2023, v. 6, n. 5, p. 1, doi. 10.1002/sscp.202300007

By:

Panda, Sagar Suman;
Panigrahi, Subham;
Mohanty, Sonal;
Bera, Ravi Kumar Venkata Varaha;
Mekap, Suman Kumar

Publication type:

Article

A systematized and chemometrics‐assisted liquid chromatography coupled with tandem mass spectrometry method for quantification of aripiprazole in implantable microparticles in rat plasma from pharmacokinetic study.

Published in:

Separation Science Plus, 2022, v. 5, n. 9, p. 459, doi. 10.1002/sscp.202200053

By:

Rub, Rehan A.;
Panda, Sagar Suman;
Panda, Sunil K;
Almalki, Waleed H.;
Alrobaian, Majed;
Hafeez, Abdul;
Rahman, Mahfoozur;
Beg, Sarwar;
Ali, Asgar;
Ahmed, Farhan J

Publication type:

Article

Development of a validated liquid chromatography–diode array detection method for simultaneous determination of olanzapine and fluoxetine in their combined formulation: Application to greenness assessment.

Published in:

Separation Science Plus, 2022, v. 5, n. 5, p. 153, doi. 10.1002/sscp.202200013

By:

Panda, Sagar Suman;
Behera, Aswini Kumar;
Bera, Ravi Kumar Venkata Varaha;
Jammula, Sruti

Publication type:

Article

Inside Back Cover: Development of a validated liquid chromatography–diode array detection method for simultaneous determination of olanzapine and fluoxetine in their combined formulation: Application to greenness assessment.

Published in:

Separation Science Plus, 2022, v. 5, n. 5, p. NA, doi. 10.1002/sscp.202270035

By:

Panda, Sagar Suman;
Behera, Aswini Kumar;
Bera, Ravi Kumar Venkata Varaha;
Jammula, Sruti

Publication type:

Article

Analytical eco‐scale and quality by design‐oriented liquid chromatography method for simultaneous quantification of metoprolol succinate, telmisartan, and cilnidipine in their fixed‐dose combination.

Published in:

Separation Science Plus, 2021, v. 4, n. 3, p. 128, doi. 10.1002/sscp.202000115

By:

Panda, Sagar Suman;
Dutta, Sucharita;
Bera, Ravi Kumar Venkata Varaha;
Jammula, Sruti

Publication type:

Article

Inside Back Cover: Analytical eco‐scale and quality by design‐oriented liquid chromatography method for simultaneous quantification of metoprolol succinate, telmisartan, and cilnidipine in their fixed‐dose combination.

Published in:

Separation Science Plus, 2021, v. 4, n. 3, p. NA, doi. 10.1002/sscp.202170015

By:

Panda, Sagar Suman;
Dutta, Sucharita;
Bera, Ravi Kumar Venkata Varaha;
Jammula, Sruti

Publication type:

Article

Front Cover: Chemometrics‐assisted development of a liquid chromatography method for estimation of lapatinib in tablets: A case study on a novel quality concept.

Published in:

Separation Science Plus, 2020, v. 3, n. 1/2, p. NA, doi. 10.1002/sscp.202070001

By:

Panda, Sagar Suman;
Bera, Ravi Kumar Venkata Varaha;
Behera, Aswini Kumar;
Beg, Sarwar

Publication type:

Article

Chemometrics‐assisted development of a liquid chromatography method for estimation of lapatinib in tablets: A case study on a novel quality concept.

Published in:

Separation Science Plus, 2020, v. 3, n. 1/2, p. 12, doi. 10.1002/sscp.201900096

By:

Panda, Sagar Suman;
Bera, Ravi Kumar Venkata Varaha;
Behera, Aswini Kumar;
Beg, Sarwar

Publication type:

Article

Back Cover: Development and validation of a quality by design enabled robust LC method for estimation of daptomycin in pharmaceutical dosage form.

Published in:

Separation Science Plus, 2019, v. 2, n. 11, p. NA, doi. 10.1002/sscp.201970004

By:

Panda, Sagar Suman;
Bera, Ravi Kumar Venkata Varaha;
Pradhan, Swati Swagatika

Publication type:

Article

Development and validation of a quality by design enabled robust LC method for estimation of daptomycin in pharmaceutical dosage form.

Published in:

Separation Science Plus, 2019, v. 2, n. 11, p. 397, doi. 10.1002/sscp.201900062

By:

Panda, Sagar Suman;
Bera, Ravi Kumar Venkata Varaha;
Pradhan, Swati Swagatika

Publication type:

Article

Inside Front Cover: Analytical lifecycle management approach: Application to development of a reliable LC method for estimation of lacidipine.

Published in:

Separation Science Plus, 2019, v. 2, n. 1, p. NA, doi. 10.1002/sscp.201970004

By:

Panda, Sagar Suman;
Bera, Ravi Kumar Venkata Varaha;
Acharjya, Sasmita Kumari;
Sahoo, Padmalaya;
Beg, Sarwar

Publication type:

Article

Analytical lifecycle management approach: Application to development of a reliable LC method for estimation of lacidipine.

Published in:

Separation Science Plus, 2019, v. 2, n. 1, p. 18, doi. 10.1002/sscp.201800110

By:

Panda, Sagar Suman;
Bera, Ravi Kumar Venkata Varaha;
Acharjya, Sasmita Kumari;
Sahoo, Padmalaya;
Beg, Sarwar

Publication type:

Article

Comparative Evaluation of New Needleless Local Anesthetic System (INJEX) and Conventional Syringe Needle Technique during Pulpotomy Treatment: A Randomized Clinical Trial.

Published in:

Children, 2024, v. 11, n. 5, p. 514, doi. 10.3390/children11050514

By:

Vishwanathaiah, Satish;
Albar, Nassreen H.;
Alraghi, Fatemah Tawfeg Abkar;
Jaferi, Noor Eissa Mousa;
Tumayhi, Ishraq Abdullah Mohammed;
Panda, Suman;
Khormi, Fatima Ali Hassan;
Jaafari, Atlal Hassan Hussain;
Abiri, Zahra Ahmed Ibrahim;
Maganur, Prabhadevi C.

Publication type:

Article

Comparative Evaluation of Extrusion of Apical Debris in Primary Maxillary Anterior Teeth Using Two Different Rotary Systems and Hand Files: An In Vitro Study.

Published in:

Children, 2023, v. 10, n. 5, p. 898, doi. 10.3390/children10050898

By:

Suresh, Balaji;
Jeevanandan, Ganesh;
Ravindran, Vignesh;
Mashyakhy, Mohammed;
Alessa, Noura;
Syed, Ather Ahmed;
Panda, Suman;
Assiry, Ali Ahmed;
Maganur, Prabhadevi C.;
Vishwanathaiah, Satish

Publication type:

Article

Does Dental Fear in Children Predict Untreated Dental Caries? An Analytical Cross-Sectional Study.

Published in:

Children, 2021, v. 8, n. 5, p. 1, doi. 10.3390/children8050382

By:

Panda, Suman;
Ali Quadri, Mir Faeq;
Hadi, Imtinan H.;
Jably, Rafaa M.;
Hamzi, Aisha M.;
Jafer, Mohammed A.

Publication type:

Article

UPLC-MS/MS Method for Simultaneous Estimation of Neratinib and Naringenin in Rat Plasma: Greenness Assessment and Application to Therapeutic Drug Monitoring.

Published in:

Separations (2297-8739), 2023, v. 10, n. 3, p. 167, doi. 10.3390/separations10030167

By:

Altharawi, Ali;
Alqahtani, Safar M.;
Panda, Sagar Suman;
Alrobaian, Majed;
Alabbas, Alhumaidi B.;
Almalki, Waleed Hassan;
Alossaimi, Manal A.;
Barkat, Md. Abul;
Rub, Rehan Abdur;
Mir Najib Ullah, Shehla Nasar;
Rahman, Mahfoozur;
Beg, Sarwar

Publication type:

Article

FORMULATION AND DEVELOPMENT OF KETOROLAC TROMETHAMINE OPHTHALMIC SOLUTION.

Published in:

Journal of Drug Delivery & Therapeutics, 2018, v. 8, n. 3, p. 78, doi. 10.22270/jddt.v8i3.1710

By:

Sarangi, Deepak Kumar;
Mekap, Suman Kumar;
Panda, Sagar Suman;
Ghose, Debashish;
Rana, Rabinarayan;
Mahapatra, Monalisa

Publication type:

Article

CLINICAL ASSESSMENT OF THE ABUTMENT TEETH OF CHILDREN UNDERGOING SPACE MAINTAINER THERAPY: A RANDOMISED CONTROLLED TRIAL.

Published in:

International Arab Journal of Dentistry, 2024, v. 15, n. 2, p. 114, doi. 10.70174/iajd.v15i2.1038

By:

Fathima, Ayesha S.;
Jeevanandan, Ganesh;
Maganur, Prabhadevi C.;
Panda, Suman;
Ahmed, Ather Syed;
Vishwanathaiah, Satish

Publication type:

Article

Clinical and epidemiological profile of snakebite cases – A study from an industrial teaching hospital at Jamshedpur, Jharkhand, India.

Published in:

Journal of Family Medicine & Primary Care, 2022, v. 11, n. 12, p. 7652, doi. 10.4103/jfmpc.jfmpc_890_22

By:

Satyanarayan, Bhagyalakshmi;
Panda, Suman;
Sunder, Ashok;
Kumari, Sarita

Publication type:

Article

Correlation of BODE index with quality of life in stable Chronic Obstructive Pulmonary Disease (COPD) patients – A prospective study.

Published in:

Journal of Family Medicine & Primary Care, 2020, v. 9, n. 11, p. 5606, doi. 10.4103/jfmpc.jfmpc_735_20

By:

Kamath, Sangita;
Kumar, Avesh;
Panda, Suman;
Samanta, Rudra

Publication type:

Article

Multi-organ dysfunction following honeybee bite—A rare entity.

Published in:

Journal of Family Medicine & Primary Care, 2020, v. 9, n. 9, p. 5052, doi. 10.4103/jfmpc.jfmpc_629_20

By:

Prasad, Satish;
Mehta, Sameer;
Satyanarayan, Bhagyalakshmi;
Panda, Suman

Publication type:

Article

Persistent cough: An unexpected diagnosis.

Published in:

Journal of Family Medicine & Primary Care, 2020, v. 9, n. 5, p. 2548, doi. 10.4103/jfmpc.jfmpc_41_20

By:

Panda, Suman;
Satyanarayan, Bhagyalakshmi;
Prasad, Satish;
Koshy, Binu

Publication type:

Article

A clinical dilemma in an unconscious patient.

Published in:

Journal of Family Medicine & Primary Care, 2019, v. 8, n. 10, p. 3428, doi. 10.4103/jfmpc.jfmpc_672_19

By:

Panda, Suman;
Sinha, Hari;
Panigrahi, Binita;
Prasad, Satish

Publication type:

Article

Diagnosis and Management of a Patient with Congenitally Missing Maxillary First Permanent Molars: A Rare Case Report.

Published in:

2016

By:

Gupta, Megha;
Panda, Suman;
Mutawwam, Fahad Ahmed;
Kariri, Fahad Musawi Mohammed

Publication type:

Case Study

Comparative Evaluation of Push-out Bond Strength of Conventional Mineral Trioxide Aggregate, Biodentine, and Two Novel Antibacterial-enhanced Mineral Trioxide Aggregates.

Published in:

Journal of Contemporary Dental Practice, 2024, v. 25, n. 2, p. 168, doi. 10.5005/jp-journals-10024-3638

By:

Merlin, Arokia R. S.;
Ravindran, Vignesh;
Jeevanandan, Ganesh;
Maganur, Prabhadevi C.;
Panda, Suman;
Syed, Ather A.;
Kalagi, Sara;
AlShehri, Aram;
Khanagar, Sanjeev;
Vishwanathaiah, Satish

Publication type:

Article

An Advanced Susceptible-Exposed-Infectious-Recovered model for quantitative analysis of COVID-19.

Published in:

Sādhanā: Academy Proceedings in Engineering Sciences, 2021, v. 46, n. 2, p. 1, doi. 10.1007/s12046-021-01617-0

By:

Dixit, Rahul;
Panda, Dev Sourav;
Panda, Shradha Suman

Publication type:

Article

Development of a Validated UPLC–MS/MS Method for Simultaneous Estimation of Neratinib and Curcumin in Human Plasma: Application to Greenness Assessment and Routine Quantification.

Published in:

Journal of Chromatographic Science, 2024, v. 62, n. 2, p. 168, doi. 10.1093/chromsci/bmac067

By:

Alabbas, Alhumaidi B;
Alqahtani, Safar M;
Panda, Sagar Suman;
Alrobaian, Majed;
Altharawi, Ali;
Almalki, Waleed H;
Barkat, Md Abul;
Rub, Rehan A;
Rahman, Mahfoozur;
Ullah, Shehla Nasar Mir Najib;
Beg, Sarwar

Publication type:

Article

Development and Validation of Chemometrics-Assisted Green UPLC-MS/MS Bioanalytical Method for Simultaneous Estimation of Capecitabine and Lapatinib in Rat Plasma.

Published in:

Journal of Chromatographic Science, 2022, v. 60, n. 6, p. 559, doi. 10.1093/chromsci/bmab094

By:

Alrobaian, Majed;
Panda, Sagar Suman;
Almalki, Waleed H;
Afzal, Obaid;
Kazmi, Imran;
Alossaimi, Manal A;
Al-Abbasi, Fahad A;
Katouah, Hanadi A;
Rub, Rehan A;
Kumar, B V V Ravi;
Rahman, Mahfoozur;
Beg, Sarwar

Publication type:

Article

Development of a Validated Bioanalytical UPLC–MS/MS Method for Quantification of Neratinib: A Recent Application to Pharmacokinetic Studies in Rat Plasma.

Published in:

Journal of Chromatographic Science, 2022, v. 60, n. 6, p. 551, doi. 10.1093/chromsci/bmab089

By:

Alrobaian, Majed;
Panda, Sagar Suman;
Afzal, Obaid;
Kazmi, Imran;
Alossaimi, Manal A;
Al-Abbasi, Fahad A;
Almalki, Waleed H;
Soni, Kriti;
Alam, Ozair;
Alam, Md Naushad;
Rub, Rehan A;
Rahman, Mahfoozur;
Beg, Sarwar

Publication type:

Article

Development and Validation of a Stability-Indicating Liquid Chromatographic Method for Estimating Vilazodone Hydrochloride in Pharmaceutical Dosage Form Using Quality by Design.

Published in:

Journal of Chromatographic Science, 2016, v. 54, n. 10, p. 1713, doi. 10.1093/chromsci/bmw127

By:

Panda, Sagar Suman;
Ravi Kumar, Venkata Varaha Bera;
Beg, Sarwar;
Sahu, Sunil Kumar;
Muni, Swayamprabha

Publication type:

Article

Ultrafast Liquid Chromatographic Method Development and its Validation for Quantification of Telaprevir in Pharmaceutical Dosage Form by Using Quality by Design Approach.

Published in:

Journal of Chromatographic Science, 2015, v. 53, n. 7, p. 1193, doi. 10.1093/chromsci/bmu228

By:

Suman Panda, Sagar;
Ravi Kumar Bera, Venkata Varaha;
Beg, Sarwar;
Kumar Sahu, Sunil

Publication type:

Article

Effectiveness of a needle-free local anesthetic technique compared to the traditional syringe technique for the restoration of young permanent molars: a single-blind randomized clinical trial.

Published in:

Journal of Clinical Pediatric Dentistry, 2024, v. 48, n. 6, p. 107, doi. 10.22514/jocpd.2024.131

By:

Albar, Nassreen H.;
Maganur, Prabhadevi C.;
Alsaeedi, Areej Ali Hasan;
Mahdi, Basmah Hakam Ali;
Almasoudi, Shroog Ali;
Panda, Suman;
Gharawi, Ahad Hasan M.;
Modrba, Hind Taher;
Kelani, Reem Hassan;
Muthaffar, Lamis Yahya;
Hakami, Mohammed B.;
Vishwanathaiah, Satish

Publication type:

Article

QbD-oriented development and validation of a bioanalytical method for nevirapine with enhanced liquid-liquid extraction and chromatographic separation.

Published in:

Biomedical Chromatography, 2016, v. 30, n. 6, p. 818, doi. 10.1002/bmc.3613

By:

Beg, Sarwar;
Chaudhary, Vandna;
Sharma, Gajanand;
Garg, Babita;
Panda, Sagar Suman;
Singh, Bhupinder

Publication type:

Article

Effect of body mass index on vital capacity in young adults -- A cross-sectional study.

Published in:

National Journal of Physiology, Pharmacy & Pharmacology, 2021, v. 11, n. 1, p. 84, doi. 10.5455/njppp.2021.11.11305202011112020

By:

Sinha, Harimohan Prasad;
Deep, Arunima;
Panda, Suman Kumar

Publication type:

Article

Determination of Cephalexin Monohydrate in Pharmaceutical Dosage Form by Stability-Indicating RP-UFLC and UV Spectroscopic Methods.

Published in:

Scientia Pharmaceutica, 2013, v. 81, n. 4, p. 1029, doi. 10.3797/scipharm.1306-07

By:

PANDA, Sagar Suman;
RAVI KUMAR, Bera V. V.;
DASH, Rabisankar;
MOHANTA, Ganeswar

Publication type:

Article

New Stability-Indicating RP-UFLC Method for Determination of Trospium Chloride in Tablet Dosage Form.

Published in:

Scientia Pharmaceutica, 2012, v. 80, n. 4, p. 955, doi. 10.3797/scipharm.1207-07

By:

PANDA, Sagar Suman;
RAVI KUMAR, Bera V. V.;
MOHANTA, Ganeswar;
DASH, Rabisankar;
PATEL, Pinkal Kumar

Publication type:

Article

New Stability-Indicating RP-HPLC Method for Determination of Diclofenac Potassium and Metaxalone from their Combined Dosage Form.

Published in:

Scientia Pharmaceutica, 2012, v. 80, n. 1, p. 127, doi. 10.3797/scipharm.1109-16

By:

Panda, Sagar Suman;
Patanaik, Debasis;
Kumar, Bera V. V. Ravi

Publication type:

Article

Antibiofilm and anticancer activities of unripe and ripe Azadirachta indica (neem) seed extracts.

Published in:

BMC Complementary Medicine & Therapies, 2022, v. 22, n. 1, p. 1, doi. 10.1186/s12906-022-03513-4

By:

Guchhait, Kartik Chandra;
Manna, Tuhin;
Barai, Manas;
Karmakar, Monalisha;
Nandi, Sourav Kumar;
Jana, Debarati;
Dey, Aditi;
Panda, Suman;
Raul, Priyanka;
Patra, Anuttam;
Bhattacharya, Rittwika;
Chatterjee, Subhrangsu;
Panda, Amiya Kumar;
Ghosh, Chandradipa

Publication type:

Article

Evaluation of Volumetric Changes between Pediatric Rotary Files and Manual Files during Canal Preparation of Primary Mandibular Canine: A Nano-CT Analysis.

Published in:

European Journal of General Dentistry, 2024, v. 13, n. 3, p. 247, doi. 10.1055/s-0044-1786548

By:

Suresh, Balaji;
Jeevanandan, Ganesh;
Ravindran, Vignesh;
Vishwanathaiah, Satish;
Panda, Suman;
Syed, Ather Ahmed;
Altowairqi, Sultan;
AlShehri, Aram;
Alaqla, Ali;
Khanagar, Sanjeev;
Maganur, Prabhadevi

Publication type:

Article

Comparison of Mineral Trioxide Aggregate and Biodentine for Open Apex Management in Children with Nonvital Immature Permanent Teeth: A Systematic Review.

Published in:

European Journal of General Dentistry, 2022, v. 11, n. 2, p. 84, doi. 10.1055/s-0042-1750090

By:

Ravindran, Vignesh;
Jeevanandan, Ganesh;
Marimuthu, Madhulaxmi;
Panda, Suman;
Syed, Ather Ahmed;
Vishwanathaiah, Satish;
Khanagar, Sanjeev;
Maganur, Prabhadevi C.

Publication type:

Article