Awantika Singh

发表

Structural characterization of flavonoid C- and O-glycosides in an extract of Adhatoda vasica leaves by liquid chromatography with quadrupole time-of-flight mass spectrometry.

V. Bajpai, Sunil Kumar, T. J. Reddy, 2015, Rapid communications in mass spectrometry : RCM.

Screening of tricyclic quinazoline alkaloids in the alkaloidal fraction of Adhatoda beddomei and Adhatoda vasica leaves by high-performance liquid chromatography/electrospray ionization quadrupole time-of-flight tandem mass spectrometry.

Sunil Kumar, T. J. Reddy, Awantika Singh, 2015, Rapid communications in mass spectrometry : RCM.

Identification, characterization and distribution of terpene indole alkaloids in ethanolic extracts of Catharanthus roseus using high-performance liquid chromatography/electrospray ionization quadrupole time-of-flight tandem mass spectrometry and the study of their geographical variation.

V. Bajpai, Sunil Kumar, Awantika Singh, 2018, Rapid communications in mass spectrometry : RCM.

Synthesis of biologically active pyridoimidazole/imidazobenzothiazole annulated polyheterocycles using cyanuric chloride in water

K. Srivastava, S. Puri, B. Kumar, 2014 .

Profilin1 biology and its mutation, actin(g) in disease

M. Kiaei, Awantika Singh, Duah Alkam, 2016, Cellular and Molecular Life Sciences.

Simultaneous quantitative determination of bioactive terpene indole alkaloids in ethanolic extracts of Catharanthus roseus (L.) G. Don by ultra high performance liquid chromatography–tandem mass spectrometry

M. Lal, Sunil Kumar, L. Bahadur, 2018, Journal of pharmaceutical and biomedical analysis.

Molecular Dynamics Guided Design of Tocoflexol: A New Radioprotectant Tocotrienol with Enhanced Bioavailability

S. Thakkar, M. Boerma, M. Hauer-Jensen, 2014, Drug development research.

Chemometric Based Identification and Validation of Specific Chemical Markers for Geographical, Seasonal and Gender Variations in Tinospora cordifolia Stem using HPLC-ESI-QTOF-MS Analysis.

V. Bajpai, Sunil Kumar, S. Bag, 2017, Phytochemical analysis : PCA.

Analysis of isoquinoline alkaloids from Mahonia leschenaultia and Mahonia napaulensis roots using UHPLC-Orbitrap-MSn and UHPLC-QqQLIT-MS/MS

V. Bajpai, Sunil Kumar, Awantika Singh, 2016, Journal of pharmaceutical analysis.

Distribution of reserpine in Rauvolfia species from India – HPTLC and LC–MS studies

B. Kumar, Awantika Singh, K. Rameshkumar, 2014 .

Profiling of Gallic and Ellagic Acid Derivatives in Different Plant Parts of Terminalia Arjuna by HPLC-ESI-QTOF-MS/MS

V. Bajpai, Sunil Kumar, Awantika Singh, 2016, Natural product communications.

Simultaneous Determination of Bioactive Monoterpene Indole Alkaloids in Ethanolic Extract of Seven Rauvolfia Species using UHPLC with Hybrid Triple Quadrupole Linear Ion Trap Mass Spectrometry.

V. Bajpai, Sunil Kumar, M. Srivastava, 2016, Phytochemical analysis : PCA.

Macro-microscopic and LCMS markers for identification and authentication of herbal formulations of Taraxacum officinale and Launaea procumbens

B. Kumar, Awantika Singh, N. Sahu, 2017 .

Metabolic fingerprinting of dioecious Tinospora cordifolia (Thunb) Miers stem using DART TOF MS and differential pharmacological efficacy of its male and female plants

Brijesh Kumar, Sunil Kumar, Nasreen Bano, 2017 .

Analysis of phytochemical variations in dioecious Tinospora cordifolia stems using HPLC/QTOF MS/MS and UPLC/QqQLIT -MS/MS.

V. Bajpai, N. Kumar, M. Negi, 2016, Phytochemical analysis : PCA.

Identification, characterization and distribution of monoterpene indole alkaloids in Rauwolfia species by Orbitrap Velos Pro mass spectrometer.

V. Bajpai, Sunil Kumar, Awantika Singh, 2016, Journal of pharmaceutical and biomedical analysis.

Access to indole- and pyrrole-fused diketopiperazines via tandem Ugi-4CR/intramolecular cyclization and its regioselective ring-opening by intermolecular transamidation.

B. Kumar, Awantika Singh, P. Chauhan, 2012, The Journal of organic chemistry.

Access to indole- and pyrrole-fused diketopiperazines via tandem Ugi-4CR/intramolecular cyclization and its regioselective ring-opening by intermolecular transamidation.

B. Kumar, Awantika Singh, P. Chauhan, 2012, The Journal of organic chemistry.

Rapid qualitative and quantitative analysis of bioactive compounds from Phyllanthus amarus using LC/MS/MS techniques

V. Bajpai, B. Kumar, Sunil Kumar, 2015 .

Comparative profiling of phenolic compounds from different plant parts of six Terminalia species by liquid chromatography–tandem mass spectrometry with chemometric analysis

V. Bajpai, B. Kumar, Sunil Kumar, 2016 .

Determination of bioactive isoquinoline alkaloids in Thalictrum reniforme Wallich and Thalictrum neurocarpum Royale using ultra performance liquid chromatography with hybrid triple quadrupole linear ion trap mass spectrometer

V. Bajpai, Sunil Kumar, Awantika Singh, 2017 .

Rapid screening for the adulterants of Berberis aristata using direct analysis in real-time mass spectrometry and principal component analysis for discrimination

V. Bajpai, K. Arya, M. Srivastava, 2015, Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.

Identification and characterization of phenolics and terpenoids from ethanolic extracts of Phyllanthus species by HPLC-ESI-QTOF-MS/MS

Sunil Kumar, Awantika Singh, B. Kumar, 2017, Journal of pharmaceutical analysis.

Identification and Characterization of Terpenoid Lactones and Flavonoids from Ethanolic Extract ofAndrographis Paniculata(Burm.f.) Nees Using Liquid Chromatography/Tandem Mass Spectrometry

V. Bajpai, B. Kumar, Sunil Kumar, 2018, Separation Science Plus.

Structural characterization and quantitative determination of bioactive compounds in ethanolic extracts of Boerhaavia diffusa L. by liquid chromatography with tandem mass spectrometry

B. Kumar, Sunil Kumar, Awantika Singh, 2018, Separation Science Plus.

Structural characterization of monoterpene indole alkaloids in ethanolic extracts of Rauwolfia species by liquid chromatography with quadrupole time-of-flight mass spectrometry☆

V. Bajpai, Sunil Kumar, M. Srivastava, 2016, Journal of pharmaceutical analysis.

Development of a UHPLC-MS/MS method for the quantitation of bioactive compounds in Phyllanthus species and its herbal formulations.

V. Bajpai, Sunil Kumar, Awantika Singh, 2017, Journal of separation science.

Computational Analysis Reveals a Successive Adaptation of Multiple Inositol Polyphosphate Phosphatase 1 in Higher Organisms Through Evolution

Awantika Singh, N. Ali, W. H. Baltosser, 2014, Evolutionary bioinformatics online.

Effects of Late Administration of Pentoxifylline and Tocotrienols in an Image-Guided Rat Model of Localized Heart Irradiation

E. Moros, M. Boerma, V. Sridharan, 2013, PloS one.

Application of DART‐MS in Natural Phytochemical Research

K. P. Madhusudanan, V. Bajpai, B. Kumar, 2017 .

LC-MS Identification of Proanthocyanidins in Bark and Fruit of six Terminalia species

Sunil Kumar, B. Kumar, Awantika Singh, 2018 .

Development of Ultra Performance Liquid Chromatography Tandem Mass Spectrometry Method for Simultaneous Identification and Quantitation of Potential Osteogenic Phytochemicals in Butea monosperma.

V. Bajpai, Pratibha Singh, Awantika Singh, 2018, Journal of chromatographic science.

Screening of monoterpene indole alkaloids in six Rauwolfia species by ultra‐high performance liquid chromatography orbitrap velos pro mass spectrometer

Sunil Kumar, B. Kumar, Awantika Singh, 2019, SEPARATION SCIENCE PLUS.

Rapid screening and distribution of bioactive compounds in different parts of Berberis petiolaris using direct analysis in real time mass spectrometry☆

Mukesh Srivastava, Vikas Bajpai, Awantika Singh, 2015, Journal of pharmaceutical analysis.

Simultaneous quantification of protoberberine and aporphine alkaloids in different plant parts of Coscinium fenestratum (Gaertner) Colebr. By liquid chromatography-hybrid triple quadrupole/linear ion trap mass spectrometer

V. Bajpai, Sunil Kumar, Awantika Singh, 2016 .

Rapid fingerprinting of Rauwolfia species using direct analysis in real time mass spectrometry combined with principal component analysis for their discrimination

Brijesh Kumar, Sunil Kumar, Mukesh Srivastava, 2015 .

Terpenes and Biological Activities of Euphorbia tortilis

B. Kumar, Awantika Singh, K. Rameshkumar, 2017 .

Effects of late administration of pentoxifylline and tocotrienols in an image-guided rat model of localized heart irradiation.

E. Moros, M. Boerma, V. Sridharan, 2013, PloS one.

Analysis of phytochemical variations in dioecious Tinospora cordifolia stems using HPLC/QTOF MS/MS and UPLC/QqQLIT -MS/MS.

V. Bajpai, N. Kumar, Awantika Singh, 2016, Phytochemical analysis : PCA.

Rapid screening for the adulterants of Berberis aristata using direct analysis in real-time mass spectrometry and principal component analysis for discrimination

V. Bajpai, K. Arya, M. Srivastava, 2015, Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.