B. Avula

S. Majumdar, I. Khan, B. Avula, 2012, Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics.

Quantitative Determination of Cannabinoids in Cannabis and Cannabis Products Using Ultra‐High‐Performance Supercritical Fluid Chromatography and Diode Array/Mass Spectrometric Detection

Bharathi Avula, Ikhlas A Khan, Mei Wang, 2017, Journal of forensic sciences.

A Comprehensive Workflow for the Analysis of Bio-Macromolecular Supplements: Case Study of 20 Whey Protein Products

Jianping Zhao, I. Khan, J. Sharp, 2021, Journal of dietary supplements.

Updates to a 13C metabolic flux analysis model for evaluating energy metabolism in cultured cerebellar granule neurons from neonatal rats

I. Khan, B. Avula, Yan-Hong Wang, 2017, Neurochemistry International.

Structural Characterization of Cranberry Arabinoxyloglucan Oligosaccharides.

D. Ferreira, B. Avula, Mei Wang, 2019, Journal of natural products.

Relative safety and quality of various dietary supplement products U.S. Service Members ask about

P. Deuster, B. Avula, C. Crawford, 2022, Clinical toxicology.

Comparative studies on the chemical and enzymatic stability of alpha‐ and beta‐arbutin

I. A. Khan, I. Khan, B. Avula, 2016, International journal of cosmetic science.

Authentication of true cinnamon (Cinnamon verum) utilising direct analysis in real time (DART)-QToF-MS

I. Khan, B. Avula, Yan-Hong Wang, 2015, Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.

In Situ Gel of Triamcinolone Acetonide-Loaded Solid Lipid Nanoparticles for Improved Topical Ocular Delivery: Tear Kinetics and Ocular Disposition Studies

Karthik Yadav Janga, Sai Prachetan Balguri, S. Majumdar, 2018, Nanomaterials.

Simultaneous quantification of adrenergic amines and flavonoids in C. aurantium, various Citrus species, and dietary supplements by liquid chromatography.

I. Khan, B. Avula, A. Navarrete, 2005, Journal of AOAC International.

Pharmaceutical doses of the banned stimulant oxilofrine found in dietary supplements sold in the USA.

B. Venhuis, I. Khan, B. Avula, 2017, Drug testing and analysis.

Analysis of Crocetins and Safranal Variations in Saffron (Crocus sativus) Stigma Samples and Dietary Supplements Using HPLC/UHPLC-PDA-MS: Chemical Profiling and Chemometric Analysis Using LC-QToF

I. Khan, B. Avula, R. Upton, 2022, Food Analytical Methods.

Metabolic Profiling of Hoodia, Chamomile, Terminalia Species and Evaluation of Commercial Preparations Using Ultrahigh-Performance Liquid Chromatography Quadrupole-Time-of-Flight Mass Spectrometry

M. Wrona, G. Isaac, I. Khan, 2017, Planta Medica.

Safety assessment of the dietary supplement OxyELITE™ Pro (New Formula) in inbred and outbred mouse strains.

I. Koturbash, D. K. Williams, S. Kosanke, 2017, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

Impact of obesity on the toxicity of a multi-ingredient dietary supplement, OxyELITE Pro™ (New Formula), using the novel NZO/HILtJ obese mouse model: Physiological and mechanistic assessments.

I. Koturbash, M. Boerma, V. Sridharan, 2018, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

A Public Health Issue: Dietary Supplements Promoted for Brain Health and Cognitive Performance

P. Deuster, I. Khan, B. Avula, 2020, Journal of alternative and complementary medicine.

Antioxidant, Hepatoprotective Potential and Chemical Profiling of Propolis Ethanolic Extract from Kashmir Himalaya Region Using UHPLC-DAD-QToF-MS

M. Rehman, A. Wali, Z. Ali, 2015, BioMed research international.

Five Unapproved Drugs Found in Cognitive Enhancement Supplements

B. Avula, Pieter A. Cohen, YH. Wang, 2020, Neurology. Clinical practice.

Detection and quantification of phenethylamines in sports dietary supplements by NMR approach

Jianping Zhao, I. Khan, B. Avula, 2018, Journal of pharmaceutical and biomedical analysis.

Characterization, Quantification and Quality Assessment of Avocado (Persea americana Mill.) Oils

Jianping Zhao, I. Khan, A. Chittiboyina, 2020, Molecules.

13C metabolic flux analysis in neurons utilizing a model that accounts for hexose phosphate recycling within the pentose phosphate pathway

I. Khan, B. Avula, Yan-Hong Wang, 2016, Neurochemistry International.

Lignan and Nutrient Concentrations in American Mayapple (Podophyllum peltatum L.) in the Eastern United States

A. Jones, D. Rowe, B. Avula, 2009 .

Octulosonic acid derivatives from Roman chamomile (Chamaemelum nobile) with activities against inflammation and metabolic disorder.

Shabana I. Khan, Jianping Zhao, I. Khan, 2014, Journal of natural products.

Synthesis and Inhibitory Activity of Machaeridiol-Based Novel Anti-MRSA and Anti-VRE Compounds and Their Profiling for Cancer-Related Signaling Pathways

K. Lovell, Jianping Zhao, M. Marquart, 2022, Molecules.

Differential kinetic profiles and metabolism of primaquine enantiomers by human hepatocytes

B. Tekwani, L. Walker, Shabana I. Khan, 2016, Malaria Journal.

Eleutherococcus senticosus (Araliaceae) Leaf Morpho-Anatomy, Essential Oil Composition, and Its Biological Activity Against Aedes aegypti (Diptera: Culicidae)

Jianping Zhao, I. Khan, B. Avula, 2017, Journal of Medical Entomology.

PXR mediated induction of CYP3A4, CYP1A2, and P‐gp by Mitragyna speciosa and its alkaloids

L. Walker, Shabana I. Khan, V. Manda, 2017, Phytotherapy research : PTR.

Inorganic elemental compositions of commercial multivitamin/mineral dietary supplements: Application of collision/reaction cell inductively coupled-mass spectroscopy

N. Duzgoren-Aydin, I. Khan, B. Avula, 2011 .

Flavonol glycosides from the south African medicinal plant Sutherlandia frutescens.

W. Folk, Xing-Cong Li, I. Khan, 2010, Planta medica.

HPTLC Method for Determination of 20-Hydroxyecdysone in Sida rhombifolia L. and Dietary Supplements

I. Khan, B. Avula, C. S. Rumalla, 2007 .

Computational Tools to Expedite the Identification of Potential PXR Modulators in Complex Natural Product Mixtures: A Case Study with Five Closely Related Licorice Species

D. Ferreira, Shabana I. Khan, Z. Ali, 2022, ACS omega.

Screening of medicinal plants for possible herb-drug interactions through modulating nuclear receptors, drug-metabolizing enzymes and transporters.

Shabana I. Khan, I. Khan, B. Gurley, 2022, Journal of ethnopharmacology.

Formation primaquine-5,6-orthoquinone, the putative active and toxic metabolite of primaquine via direct oxidation in human erythrocytes

B. Tekwani, L. Walker, I. Khan, 2019, Malaria Journal.

Application of GC/Q-ToF Combined with Advanced Data Mining and Chemometric Tools in the Characterization and Quality Control of Bay Leaves

Jianping Zhao, I. Khan, B. Avula, 2018, Planta Medica.

Quality evaluation of terpinen-4-ol-type Australian tea tree oils and commercial products: an integrated approach using conventional and chiral GC/MS combined with chemometrics.

Jianping Zhao, I. Khan, A. Chittiboyina, 2015, Journal of agricultural and food chemistry.

The Red Yeast Rice story: How to manufacture a tall tale from nature

I. Khan, B. Avula, K. Gold, 2018, European journal of preventive cardiology.

Identification of Antifungal Bisphosphocholines from Medicinal Gentiana Species.

Xing-Cong Li, I. Khan, Wei Wang, 2020, Journal of natural products.

Application of anatomy and HPTLC in characterizing species of Dioscorea (Dioscoreaceae)

I. Khan, B. Avula, S. Sagi, 2014, Journal of Natural Medicines.

Variability in strength of red yeast rice supplements purchased from mainstream retailers

I. Khan, B. Avula, Pieter A. Cohen, 2017, European journal of preventive cardiology.

Chemical profiling and quantification of monacolins and citrinin in red yeast rice commercial raw materials and dietary supplements using liquid chromatography-accurate QToF mass spectrometry: Chemometrics application.

I. Khan, B. Avula, S. Sagi, 2014, Journal of pharmaceutical and biomedical analysis.

Carboxyvinyl Polymer and Guar-Borate Gelling System Containing Natamycin Loaded PEGylated Nanolipid Carriers Exhibit Improved Ocular Pharmacokinetic Parameters.

S. Majumdar, B. Avula, P. Lakhani, 2020, Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics.

Formulation Development, Optimization, and In Vitro-In Vivo Characterization of Natamycin-Loaded PEGylated Nano-Lipid Carriers for Ocular Applications.

S. Majumdar, I. Khan, B. Avula, 2018, Journal of pharmaceutical sciences.

Application of Microscopy in the Quality Control of Licorice Roots: Comparative Anatomy of the Roots and Rhizomes of Five Species of Glycyrrhiza

Jianping Zhao, I. Khan, A. Chittiboyina, 2022, Microscopy and Microanalysis.

Application of anatomy and HPTLC in characterizing species of Dioscorea (Dioscoreaceae)

I. Khan, B. Avula, S. Sagi, 2014, Journal of Natural Medicines.

Microscopic and UPLC–UV–MS analyses of authentic and commercial yohimbe (Pausinystalia johimbe) bark samples

I. Khan, B. Avula, Yan-Hong Wang, 2012, Journal of Natural Medicines.

Comparative study and quality evaluation regarding morphology characters, volatile constituents, and triglycerides in seeds of five species used in traditional Chinese medicine.

I. Khan, B. Avula, Yan-Hong Wang, 2020, Journal of pharmaceutical and biomedical analysis.

Retina Compatible Interactions and Effective Modulation of Blood Ocular Barrier P-gp Activity by Third-Generation Inhibitors Improve the Ocular Penetration of Loperamide.

Karthik Yadav Janga, S. Majumdar, I. Khan, 2018, Journal of pharmaceutical sciences.

An integrated approach utilising chemometrics and GC/MS for classification of chamomile flowers, essential oils and commercial products.

Jianping Zhao, I. Khan, B. Avula, 2014, Food chemistry.

Spatial Variability in Secondary Metabolites of the Indo-Pacific Sponge Stylissa massa

M. Slattery, S. Ankisetty, D. Gochfeld, 2012, Journal of Chemical Ecology.

Chemical fingerprinting of valeriana species: simultaneous determination of valerenic acids, flavonoids, and phenylpropanoids using liquid chromatography with ultraviolet detection.

I. Khan, B. Avula, A. Navarrete, 2006, Journal of AOAC International.

Optimization, stabilization, and characterization of amphotericin B loaded nanostructured lipid carriers for ocular drug delivery.

S. Tripathi, S. Majumdar, Shabana I. Khan, 2019, International journal of pharmaceutics.

Endocyclic double bond isomers and by-products from rebaudioside A and stevioside formed under acid conditions

F. Fronczek, I. Khan, B. Avula, 2018 .

Quantification and Characterization of Phenolic Compounds from Northern Indian Propolis Extracts and Dietary Supplements.

A. Wali, I. Khan, M. Masoodi, 2020, Journal of AOAC International.

Ultra-HPLC method for quality and adulterant assessment of steviol glycosides sweeteners – Stevia rebaudiana and stevia products

I. Khan, M. Elsohly, B. Avula, 2015, Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.

Rebaudiosides T and U, minor C-19 xylopyranosyl and arabinopyranosyl steviol glycoside derivatives from Stevia rebaudiana (Bertoni) Bertoni.

I. Ghiviriga, I. Khan, J. Bowling, 2017, Phytochemistry.

Assignment of sugar arrangement in branched steviol glycosides using electrospray ionization quadrupole time-of-flight tandem mass spectrometry.

I. Khan, B. Avula, J. Mcchesney, 2017, Rapid communications in mass spectrometry : RCM.

Quantitative and qualitative determination of six xanthones in Garcinia mangostana L. by LC-PDA and LC-ESI-MS.

X. Ji, I. Khan, B. Avula, 2007, Journal of pharmaceutical and biomedical analysis.

Licochalcone L, an undescribed retrochalcone from Glycyrrhiza inflata roots

I. Khan, Z. Ali, A. Chittiboyina, 2020, Natural product research.

Quantification and characterization of alkaloids from roots of Rauwolfia serpentina using ultra-high performance liquid chromatography-photo diode array-mass spectrometry

I. Khan, B. Avula, S. Sagi, 2015, Analytical and Bioanalytical Chemistry.

Identification of xanthones from Swertia punicea using high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry.

Jun Cheng, I. Khan, Qingying Zhang, 2012, Rapid communications in mass spectrometry : RCM.

Quantitative HPTLC Analysis of Phenylpropanoids in Rhodiola Species

Z. Ali, I. Khan, B. Avula, 2011, JPC – Journal of Planar Chromatography – Modern TLC.

Anti-ulcer mechanisms of polyphenols extract of Euphorbia umbellata (Pax) Bruyns (Euphorbiaceae).

B. M. Lemes, B. R. Minozzo, F. L. Beltrame, 2016, Journal of ethnopharmacology.

Monoamine oxidases inhibitors from Colvillea racemosa: Isolation, biological evaluation, and computational study.

B. Tekwani, S. Ross, B. Avula, 2018, Fitoterapia.

Targeted and non‐targeted analysis of annonaceous alkaloids and acetogenins from Asimina and Annona species using UHPLC‐QToF‐MS

Z. Ali, I. Khan, Tung‐Ying Wu, 2018, Journal of pharmaceutical and biomedical analysis.

Arsenic speciation and fucoxanthin analysis from seaweed dietary supplements using LC-MS.

I. Khan, B. Avula, Yan-Hong Wang, 2015, Journal of AOAC International.

Characterization and screening of pyrrolizidine alkaloids and N-oxides from botanicals and dietary supplements using UHPLC-high resolution mass spectrometry.

I. Khan, B. Avula, S. Sagi, 2015, Food chemistry.

Chemical Profiling and Characterization of Anthraquinones from two Bulbine species and Dietary Supplements Using Liquid Chromatography-High Resolution Mass Spectrometry.

Z. Ali, I. Khan, B. Avula, 2021, Journal of AOAC International.

Identification and quantification of vinpocetine and picamilon in dietary supplements sold in the United States.

I. Khan, A. Chittiboyina, B. Avula, 2016, Drug testing and analysis.

Quantitative determination of flavonoids and cycloartanol glycosides from aerial parts of Sutherlandia frutescens (L.) R. BR. by using LC-UV/ELSD methods and confirmation by using LC-MS method.

W. Folk, Xing-Cong Li, I. Khan, 2010, Journal of pharmaceutical and biomedical analysis.

Adulteration in commercial buchu dietary supplements: Analyses of commercial and authentic buchu samples and comparative studies of Agathosma betulina and Agathosma crenulata by microscopy and HPTLC

I. Khan, A. Viljoen, B. Avula, 2015 .

Quantitative determination of flavonoids by column high-performance liquid chromatography with mass spectrometry and ultraviolet absorption detection in Artemisia afra and comparative studies with various species of Artemisia plants.

L. Vincent, I. Khan, W. Mabusela, 2009, Journal of AOAC International.

Chemical Profiling and Characterization of Phenolic Acids, Flavonoids, Terpene Glycosides from Vangueria agrestis using Ultra-High Performance Liquid Chromatography/Ion Mobility Quadrupole Time-of-Flight Mass Spectrometry and Metabolomics Approach.

R. Plumb, G. Isaac, Z. Ali, 2020, Biomedical chromatography : BMC.

Development and Validation of a UHPLC-PDA-MS Method for the Quantitative Analysis of Anthraquinones in Bulbine natalensis Extracts and Dietary Supplements

Z. Ali, I. Khan, B. Avula, 2019, Planta Medica.

Simultaneous Determination of the Absolute Configuration of Twelve Monosaccharide Enantiomers from Natural Products in a Single Injection by a UPLC-UV/MS Method

I. Khan, B. Avula, Yan-Hong Wang, 2012, Planta Medica.

Bioavailability, pharmacokinetics, and tissue distribution of the oxypregnane steroidal glycoside P57AS3 (P57) from Hoodia gordonii in mouse model.

L. Walker, Shabana I. Khan, I. Khan, 2010, Planta medica.

Characterization of in vitro pharmacokinetic properties of hoodigogenin A from Hoodia gordonii.

L. Walker, Shabana I. Khan, I. Khan, 2010, Planta medica.

Chemical fingerprint of Hoodia species, dietary supplements, and related genera by using HPTLC.

I. Khan, B. Avula, Yan-Hong Wang, 2008, Journal of separation science.

A rapid method for chemical fingerprint analysis of Hoodia species, related genera, and dietary supplements using UPLC-UV-MS.

I. Khan, B. Avula, Yan-Hong Wang, 2008, Journal of pharmaceutical and biomedical analysis.

In vitro metabolic stability and intestinal transport of P57AS3 (P57) from Hoodia gordonii and its interaction with drug metabolizing enzymes.

L. Walker, Shabana I. Khan, I. Khan, 2008, Planta medica.

Chemical fingerprinting of Hoodia species and related genera: chemical analysis of oxypregnane glycosides using high-performance liquid chromatography with UV detection in Hoodia gordonii.

I. Khan, B. Avula, Yan-Hong Wang, 2007, Journal of AOAC International.

New oxypregnane glycosides from appetite suppressant herbal supplement Hoodia gordonii

Shabana I. Khan, I. Khan, B. Avula, 2007, Steroids.

Determination of the appetite suppressant P57 in Hoodia gordonii plant extracts and dietary supplements by liquid chromatography/electrospray ionization mass spectrometry (LC-MSD-TOF) and LC-UV methods.

I. Khan, B. Avula, Yan-Hong Wang, 2006, Journal of AOAC International.

NMR fingerprinting for analysis of hoodia species and hoodia dietary products.

Jianping Zhao, I. Khan, B. Avula, 2011, Planta medica.

Isobolographic analysis of the sedative interaction between six central nervous system depressant drugs and Valeriana edulis hydroalcoholic extract in mice*

I. Khan, B. Avula, A. Navarrete, 2005, The Journal of pharmacy and pharmacology.

Flavonoid Glycosides from Sutherlanida frutescens

W. Folk, Xing-Cong Li, I. Khan, 2009 .

Assessment of Total Phenolic and Flavonoid Content, Antioxidant Properties, and Yield of Aeroponically and Conventionally Grown Leafy Vegetables and Fruit Crops: A Comparative Study

I. Khan, Shabana I. Khan, M. Elsohly, 2014, Evidence-based complementary and alternative medicine : eCAM.

Evaluation of In Vitro Absorption, Distribution, Metabolism, and Excretion (ADME) Properties of Mitragynine, 7-Hydroxymitragynine, and Mitraphylline

L. Walker, Shabana I. Khan, V. Manda, 2014, Planta Medica.

Characterization of in Vitro ADME Properties of Diosgenin and Dioscin from Dioscorea villosa

Shabana I. Khan, V. Manda, Z. Ali, 2013, Planta Medica.

Quantitative determination and pharmacokinetic study of fusaricidin A in mice plasma and tissues using ultra‐high performance liquid chromatography‐tandem mass spectrometry

M. Hinchee, Xing-Cong Li, Shabana I. Khan, 2019, Journal of pharmaceutical and biomedical analysis.

Pharmacokinetics and Tissue Distribution of Aegeline after Oral Administration in Mice

Shabana I. Khan, V. Manda, I. Khan, 2019, Planta Medica.

Utility of Thin-Layer Chromatography in the Assessment of the Quality of Botanicals

I. Khan, B. Avula, A. Galal, 2015 .

Pharmacological review of Caralluma R.Br. with special reference to appetite suppression and anti-obesity.

I. Khan, B. Avula, Y. S. Bedi, 2012, Journal of medicinal food.

Quantification of Phenolic Compounds from Fadogia agrestis and Dietary Supplements using UHPLC-PDA-MS

Z. Ali, I. Khan, B. Avula, 2018, Planta Medica.

Ecdysteroid Glycosides from Sida rhombifolia L.

I. Khan, B. Avula, R. Pawar, 2007, Chemistry & biodiversity.

Two plant-derived aporphinoid alkaloids exert their antifungal activity by disrupting mitochondrial iron-sulfur cluster biosynthesis

Xuewen Pan, Xing-Cong Li, I. Khan, 2017, The Journal of Biological Chemistry.

The power of hyphenated chromatography—Time of flight mass spectrometry for unequivocal identification of spirostanes in bodybuilding dietary supplements

P. Deuster, Jianping Zhao, I. Khan, 2019, Journal of pharmaceutical and biomedical analysis.

Characterization of Steroidal Saponins from Dioscorea villosa and D. cayenensis Using Ultrahigh Performance Liquid Chromatography/Electrospray Ionization Quadrupole Time-of-Flight Mass Spectrometry

Z. Ali, I. Khan, B. Avula, 2014, Planta Medica.

Chemical fingerprint analysis and quantitative determination of steroidal compounds from Dioscorea villosa, Dioscorea species and dietary supplements using UHPLC-ELSD.

Z. Ali, I. Khan, B. Avula, 2014, Biomedical chromatography : BMC.

Simultaneous determination and characterization of flavonoids, sesquiterpene lactone, and other phenolics from Centaurea benedicta and dietary supplements using UHPLC-PDA-MS and LC-DAD-QToF.

Z. Ali, I. Khan, B. Avula, 2022, Journal of pharmaceutical and biomedical analysis.

Quantitative determination of triterpenes from Amphiptherygium adstringens by liquid chromatography and thin-layer chromatography and morphological analysis of cuachalalate preparations.

X. Ji, I. Khan, B. Avula, 2006, Journal of AOAC International.

Structural characterization and identification of ecdysteroids from Sida rhombifolia L. in positive electrospray ionization by tandem mass spectrometry.

I. Khan, B. Avula, Yan-Hong Wang, 2008, Rapid communications in mass spectrometry : RCM.

Ginkgo biloba Does Not Alter Clearance of Flurbiprofen, a Cytochrome P450‐2C9 Substrate

D. Greenblatt, J. Harmatz, I. Khan, 2006, Journal of clinical pharmacology.

Analytical methods for determination of magnoflorine and saponins from roots of Caulophyllum thalictroides (L.) Michx. using UPLC, HPLC and HPTLC.

Z. Ali, I. Khan, B. Avula, 2011, Journal of pharmaceutical and biomedical analysis.

Comparison of LC–UV, LC–ELSD and LC–MS Methods for the Determination of Sesquiterpenoids in Various Species of Artemisia

L. Vincent, I. Khan, W. Mabusela, 2009 .

Cassia cinnamon as a source of coumarin in cinnamon-flavored food and food supplements in the United States.

Jianping Zhao, I. Khan, B. Avula, 2013, Journal of agricultural and food chemistry.

Comparative study of three Plumbago L. species (Plumbaginaceae) by microscopy, UPLC-UV and HPTLC

I. Khan, B. Avula, Yan-Hong Wang, 2013, Journal of Natural Medicines.

Chemical Authentication and Speciation of Salvia Botanicals: An Investigation Utilizing GC/Q-ToF and Chemometrics

Mei Wang, Jianping Zhao, I. Khan, 2022, Foods.

Eupatorin 3′-O-glucopyranoside, a trimethoxyflavonoid glucoside from the aerial parts of Salvia mellifera

Z. Ali, I. Khan, A. Chittiboyina, 2021, Natural product research.

Rapid Separation and Determination of Four Phenylpropanoid Glycosides from T. chamaedrys by Capillary Electrophoresis Method

I. Khan, E. Bedir, B. Avula, 2003 .

Determination of Shikimic Acid in Fruits of Illicium Species and Various Other Plant Samples by LC–UV and LC–ESI–MS

I. Khan, B. Avula, Yan-Hong Wang, 2009 .

The Marine Sponge-Derived Polyketide Endoperoxide Plakortide F Acid Mediates Its Antifungal Activity by Interfering with Calcium Homeostasis

Bharathi Avula, Tao Xu, Melissa R. Jacob, 2011, Antimicrobial Agents and Chemotherapy.

Comparative analysis of five Salvia species using LC-DAD-QToF.

Z. Ali, I. Khan, A. Chittiboyina, 2021, Journal of pharmaceutical and biomedical analysis.

Rapid Analysis of Lignans from Leaves of Podophyllum peltatum L. Samples using UPLC-UV-MS

R. Moraes, I. Khan, B. Avula, 2011 .

Quantitative determination of phenolic compounds by UHPLC-UV-MS and use of partial least-square discriminant analysis to differentiate chemo-types of Chamomile/Chrysanthemum flower heads.

Jianping Zhao, I. Khan, B. Avula, 2014, Journal of pharmaceutical and biomedical analysis.

Simultaneous determination of sesquiterpenes and pyrrolizidine alkaloids from the rhizomes of Petasites hybridus (L.) G.M. et Sch. and dietary supplements using UPLC-UV and HPLC-TOF-MS methods.

I. Khan, B. Avula, Yan-Hong Wang, 2012, Journal of pharmaceutical and biomedical analysis.

Simultaneous Determination of Aegeline and Six Coumarins from Different Parts of the Plant Aegle marmelos Using UHPLC-PDA-MS and Chiral Separation of Aegeline Enantiomers Using HPLC-ToF-MS

I. Khan, A. Chittiboyina, B. Avula, 2016, Planta Medica.

Quantitative determination and characterization of polyphenols from Cissus quadrangularis L. and dietary supplements using UHPLC-PDA-MS, LC-QToF and HPTLC.

Jianping Zhao, Z. Ali, I. Khan, 2021, Journal of pharmaceutical and biomedical analysis.

Quantitative Determination of Lignan Constituents from Schisandra chinensis by Liquid Chromatography

I. Khan, B. Avula, Y. Choi, 2005 .

Simultaneous Determination and Characterization of Tannins and Triterpene Saponins from the Fruits of Various Species of Terminalia and Phyllantus emblica Using a UHPLC-UV-MS Method: Application to Triphala

I. Khan, B. Avula, Yan-Hong Wang, 2013, Planta Medica.

Advances in the Chemistry, Analysis and Adulteration of Anthocyanin Rich-Berries and Fruits: 2000–2022

I. Khan, Zulfiqar Ali, A. Chittiboyina, 2023, Molecules.

Proteoform-Specific Protein Binding of Small Molecules in Complex Matrices.

L. Walker, Z. Ali, I. Khan, 2017, ACS chemical biology.

Densitometric—HPTLC Method Development and Analysis of Anthocyanins from Acai (Euterpe oleracea Mart.) Berries and Commercial Products

I. Khan, B. Avula, Yan-Hong Wang, 2012, JPC – Journal of Planar Chromatography – Modern TLC.

Euphorbia umbellata bark extracts - an in vitro cytotoxic study

A. R. Crisma, F. L. Beltrame, I. Khan, 2017 .

Quantitative Determination of Δ9-THC, CBG, CBD, Their Acid Precursors and Five Other Neutral Cannabinoids by UHPLC-UV-MS

Bharathi Avula, Ikhlas A Khan, Mei Wang, 2017, Planta Medica.

Hydroxylated bisabolol oxides: evidence for secondary oxidative metabolism in Matricaria chamomilla.

Jianping Zhao, I. Khan, A. Chittiboyina, 2013, Journal of natural products.

Melt-Cast Films Significantly Enhance Triamcinolone Acetonide Delivery to the Deeper Ocular Tissues

Karthik Yadav Janga, S. Majumdar, B. Avula, 2019, Pharmaceutics.

P-glycoprotein Restricts Ocular Penetration of Loperamide across the Blood-Ocular Barriers: a Comparative Study in Mdr1a Knock-out and Wild Type Sprague Dawley Rats

Karthik Yadav Janga, S. Majumdar, I. Khan, 2018, AAPS PharmSciTech.

Bioassay-Guided Isolation of Antimicrobial Components and LC/QToF Profile of Plumeria obtusa: Potential for the Treatment of Antimicrobial Resistance

M. Meselhy, I. Khan, B. Avula, 2023, ACS omega.

Strategy for the quality control of herbal preparations made of Sarcocephalus latifolius: Development and validation of a UHPLC-PDA method for quantification of angustoline and strictosamide and chemical profiling using LC-QToF.

Z. Ali, I. Khan, B. Avula, 2022, Phytochemical analysis : PCA.

Liquid Chromatography-Electrospray Ionization Mass Spectrometry Analysis of Limonoids and Flavonoids in Seeds of Grapefruits, Other Citrus Species, and Dietary Supplements

I. Khan, B. Avula, S. Sagi, 2016, Planta Medica.

Chlorinated Didemnins from the Tunicate Trididemnum solidum

Shabana I. Khan, M. Slattery, S. Ankisetty, 2013, Marine drugs.

Identification and Characterization of Key Chemical Constituents in Processed Gastrodia elata Using UHPLC-MS/MS and Chemometric Methods

H. Ouyang, Jianping Zhao, I. Khan, 2019, Journal of analytical methods in chemistry.

Investigation of the instability of alpha and beta-arbutin

I. Khan, B. Avula, Mei Wang, 2014 .

Influence of colour type and previous cultivation on secondary metabolites in hypocotyls and leaves of maca (Lepidium meyenii Walpers).

Bharathi Avula, Michael Kreuzer, I. A. Khan, 2010, Journal of the science of food and agriculture.

Liquid chromatography-quadrupole time of flight mass spectrometric method for targeted analysis of 111 nitrogen-based compounds in weight loss and ergogenic supplements.

I. Khan, A. Chittiboyina, B. Avula, 2019, Journal of pharmaceutical and biomedical analysis.

The anticancer potential of steroidal saponin, dioscin, isolated from wild yam (Dioscorea villosa) root extract in invasive human breast cancer cell line MDA-MB-231 in vitro.

B. Katzenellenbogen, L. Walker, Shabana I. Khan, 2016, Archives of biochemistry and biophysics.

Simultaneous identification and quantification of anthraquinones, polydatin, and resveratrol in Polygonum multiflorum, various Polygonum species, and dietary supplements by liquid chromatography and microscopic study of Polygonum species.

I. Khan, B. Avula, Yan-Hong Wang, 2007, Journal of AOAC International.

Cytotoxic and chemomodulatory effects of Phyllanthus niruri in MCF-7 and MCF-7ADR breast cancer cells

M. Meselhy, A. M. Al-Abd, I. Khan, 2023, Scientific Reports.

Plant Extract of Limonium gmelinii Attenuates Oxidative Responses in Neurons, Astrocytes, and Cerebral Endothelial Cells In Vitro and Improves Motor Functions of Rats after Middle Cerebral Artery Occlusion

S. Askarova, Samir Ross, B. Avula, 2021, Antioxidants.

Breast cancer cells that preferentially metastasize to lung or bone are more glycolytic, synthesize serine at greater rates, and consume less ATP and NADPH than parent MDA-MB-231 cells

D. Green, Taosheng Chen, S. Milasta, 2023, Cancer & Metabolism.

Tandem Mass Spectrometry for Structural Identification of Sesquiterpene Alkaloids from the Stems of Dendrobium nobile Using LC-QToF

Shuangcheng Ma, F. Wei, Z. Ali, 2016, Planta Medica.

Metabolism of primaquine in normal human volunteers: investigation of phase I and phase II metabolites from plasma and urine using ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry

B. Tekwani, L. Walker, Shabana I. Khan, 2018, Malaria Journal.

Cytotoxic biomonitored study of Euphorbia umbellata (Pax) Bruyns.

B. M. Lemes, F. L. Beltrame, I. Khan, 2016, Journal of ethnopharmacology.

Comparative pharmacokinetics and tissue distribution of primaquine enantiomers in mice

B. Tekwani, L. Walker, P. Fasinu, 2022, Malaria Journal.

Screening of Medicinal Plants for PPARα and PPARγ Activation and Evaluation of Their Effects on Glucose Uptake and 3T3-L1 Adipogenesis

Shabana I. Khan, I. Khan, B. Avula, 2013, Planta Medica.

Studies on Pharmacokinetic Drug Interaction Potential of Vinpocetine

L. Walker, Shabana I. Khan, V. Manda, 2015, Medicines.

Simultaneous Quantification of 18 Bioactive Constituents in Tripterygium wilfordii Using Liquid Chromatography-Electrospray Ionization-Mass Spectrometry

I. Khan, S. Guan, Min Yang, 2013, Planta Medica.

Simultaneous analysis of thirty-five benzodiazepines in urine using liquid chromatography-mass spectrometry-time of flight.

T. Murphy, I. Khan, M. Elsohly, 2008, Journal of analytical toxicology.

Decarboxylation Study of Acidic Cannabinoids: A Novel Approach Using Ultra-High-Performance Supercritical Fluid Chromatography/Photodiode Array-Mass Spectrometry

Bharathi Avula, Mahmoud A. ElSohly, Ikhlas A. Khan, 2016, Cannabis and cannabinoid research.

Ashwagandha‐induced liver injury: A case series from Iceland and the US Drug‐Induced Liver Injury Network

J. Jónasson, E. Björnsson, P. Hayashi, 2020, Liver international : official journal of the International Association for the Study of the Liver.

Severe and protracted cholestasis in 44 young men taking bodybuilding supplements: assessment of genetic, clinical and chemical risk factors

Jiezhun Gu, H. Barnhart, R. Fontana, 2019, Alimentary pharmacology & therapeutics.

Evaluation of wild yam (Dioscorea villosa) root extract as a potential epigenetic agent in breast cancer cells

B. Katzenellenbogen, L. Walker, Shabana I. Khan, 2013, In Vitro Cellular & Developmental Biology - Animal.

Enantioselective metabolism of primaquine by human CYP2D6

B. Tekwani, L. Walker, Shabana I. Khan, 2014, Malaria Journal.

Quantitative determination of multiple elements in botanicals and dietary supplements using ICP-MS.

N. Duzgoren-Aydin, I. Khan, B. Avula, 2010, Journal of Agricultural and Food Chemistry.

Comparative fatty acid content of seeds of four Cucurbita species grown in a common (shared) garden

I. Khan, B. Avula, Yan-Hong Wang, 2006 .

Enantioselective Pharmacokinetics of Primaquine in Healthy Human Volunteers

B. Tekwani, I. Khan, L. Walker, 2015, Drug Metabolism and Disposition.

Enantioselective metabolism of primaquine by human CYP2D6

B. Tekwani, L. Walker, Shabana I. Khan, 2014, Malaria Journal.

Simultaneous Determination of Alkaloids and Flavonoids from Aerial Parts of Passiflora Species and Dietary Supplements using UPLC-UV-MS and HPTLC

I. Khan, B. Avula, Yan-Hong Wang, 2012, Natural product communications.

Quantification of parthenolide in Tanacetum species by LC-UV/LC-MS and microscopic comparison of Mexican/US feverfew samples.

I. Khan, B. Avula, A. Navarrete, 2006, Die Pharmazie.

Pathway-specific inhibition of primaquine metabolism by chloroquine/quinine

B. Tekwani, L. Walker, I. Khan, 2016, Malaria Journal.

Modulation of ethanol toxicity by Asian ginseng (Panax ginseng) in Japanese ricefish (Oryzias latipes) embryogenesis.

I. Khan, B. Avula, A. Dasmahapatra, 2013, Comparative biochemistry and physiology. Toxicology & pharmacology : CBP.

Transport of sennosides and sennidines from Cassia angustifolia and Cassia senna across Caco-2 monolayers--an in vitro model for intestinal absorption.

H. Stuppner, B. Waltenberger, I. Khan, 2008, Phytomedicine : international journal of phytotherapy and phytopharmacology.

Comparison of three chromatographic techniques for the detection of mitragynine and other indole and oxindole alkaloids in Mitragyna speciosa (kratom) plants.

Bharathi Avula, Cristina Avonto, Zulfiqar Ali, 2014, Journal of separation science.

Piper nigrum Oil – Determination of Selected Terpenes for Quality Evaluation

I. Khan, Jianping Zhao, Z. Ali, 2018, Planta Medica.

Transport of decursin and decursinol angelate across Caco-2 and MDR-MDCK cell monolayers: in vitro models for intestinal and blood-brain barrier permeability.

Shabana I. Khan, I. Khan, B. Avula, 2007, Planta medica.

Determination of nicotine content in teeth submitted to prophylaxis and in-office bleaching by gas chromatography–mass spectrometry (GC-MS)

Mei Wang, F. L. Beltrame, I. Khan, 2018, Clinical Oral Investigations.

Streptomyces distallicus, a Potential Microbial Biolarvicide.

Jian Chen, K. Schrader, C. Cantrell, 2022, Journal of agricultural and food chemistry.

Analysis of primaquine and its metabolite carboxyprimaquine in biological samples: enantiomeric separation, method validation and quantification.

B. Tekwani, L. Walker, Shabana I. Khan, 2011, Biomedical chromatography : BMC.

Profiling primaquine metabolites in primary human hepatocytes using UHPLC-QTOF-MS with 13C stable isotope labeling.

B. Tekwani, L. Walker, Shabana I. Khan, 2013, Journal of mass spectrometry : JMS.

Metabolomic differentiation of maca (Lepidium meyenii) accessions cultivated under different conditions using NMR and chemometric analysis.

M. Kreuzer, I. Khan, M. Chan, 2012, Planta medica.

Elderberry Extracts: Characterization of the Polyphenolic Chemical Composition, Quality Consistency, Safety, Adulteration, and Attenuation of Oxidative Stress- and Inflammation-Induced Health Disorders

Z. Ali, I. Khan, A. Chittiboyina, 2023, Molecules.

Effect of Processing on the Traditional Chinese Herbal Medicine Flos Lonicerae: An NMR-based Chemometric Approach

Shunxiang Li, I. Khan, Jianping Zhao, 2015, Planta Medica.

QUANTITATIVE DETERMINATION OF PHENOLIC ACIDS IN LONICERA JAPONICA THUNB. USING HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHY

Jianping Zhao, I. Khan, B. Avula, 2010 .

Quantitative Determination of Phenolic Acids in Lonicera japonica Thunb. by High Performance Thin Layer Chromatography

I. Khan, Jianping Zhao, B. Avula, 2010 .

Chemical profiling and UHPLC-QToF analysis for the simultaneous determination of anthocyanins and flavonoids in Sambucus berries and authentication and detection of adulteration in elderberry dietary supplements using UHPLC-PDA-MS

Z. Ali, I. Khan, R. Slimestad, 2022, Journal of Food Composition and Analysis.

Liquid Chromatography for Separation and Quantitative Determination of Adrenergic Amines and Flavonoids from Poncirus trifoliatus Raf. Fruits at Different Stages of Growth

I. Khan, B. Avula, V. Joshi, 2005 .

Pharmacokinetics and cytotoxic study of euphol from Euphorbia umbellata (Bruyns) Pax latex.

I. D. de Messias-Reason, Shabana I. Khan, V. Manda, 2018, Phytomedicine : international journal of phytotherapy and phytopharmacology.

Analysis of Select Dietary Supplement Products Marketed to Support or Boost the Immune System

P. Deuster, I. Khan, B. Avula, 2022, JAMA network open.

Recalls, Availability, and Content of Dietary Supplements Following FDA Warning Letters.

I. Khan, B. Avula, Pieter A. Cohen, 2022, JAMA.

RP-HPLC determination of phenylalkanoids and monoterpenoids in Rhodiola rosea and identification by LC-ESI-TOF.

Z. Ali, I. Khan, B. Avula, 2009, Biomedical chromatography : BMC.

Methylhexanamine is not detectable in Pelargonium or Geranium species and their essential oils: A multi-centre investigation.

D. Guo, T. Murphy, I. Khan, 2015, Drug testing and analysis.

High-resolution gas chromatography/mass spectrometry method for characterization and quantitative analysis of ginkgolic acids in Ginkgo biloba plants, extracts, and dietary supplements.

Jianping Zhao, I. Khan, A. Chittiboyina, 2014, Journal of agricultural and food chemistry.

Concurrent supercritical fluid chromatographic analysis of terpene lactones and ginkgolic acids in Ginkgo biloba extracts and dietary supplements

Bharathi Avula, Jianping Zhao, Ikhlas A Khan, 2016, Analytical and Bioanalytical Chemistry.

Liver injury associated with kratom, a popular opioid-like product: Experience from the U.S. drug induced liver injury network and a review of the literature.

H. Barnhart, R. Fontana, H. Conjeevaram, 2020, Drug and Alcohol Dependence.

Identification and Characterization of Indole and Oxindole Alkaloids from Leaves of Mitragyna speciosa Korth Using Liquid Chromatography-Accurate QToF Mass Spectrometry.

Z. Ali, I. Khan, B. Avula, 2015, Journal of AOAC International.

Potential Modulation of Human NAD[P]H-Quinone Oxidoreductase 1 (NQO1) by EGCG and Its Metabolites—A Systematic Computational Study

R. J. Doerksen, Shabana I. Khan, I. Khan, 2020 .

Quantification of mesembrine and mesembrenone in mouse plasma using UHPLC-QToF-MS: Application to a pharmacokinetic study.

Shabana I. Khan, V. Manda, I. Khan, 2017, Biomedical chromatography : BMC.

Identification And Characterization Of Chemical Constituents From Licorice Roots Using UHPLC-QTOF-MS

I. Khan, Z. Ali, B. Avula, 2016 .

Metabolite variation and discrimination of five licorice (Glycyrrhiza) species: HPTLC and NMR explorations

Jianping Zhao, Z. Ali, I. Khan, 2022, Journal of Pharmaceutical and Biomedical Analysis.

Quantitative determination of vasicine and vasicinone in Adhatoda vasica by high performance capillary electrophoresis.

I. Khan, B. Avula, M. Choudhary, 2008, Pharmazie.

Liver Injury Associated with Turmeric-a Growing Problem: Ten Cases from the Drug-Induced Liver Injury Network [DILIN].

R. Fontana, J. Hoofnagle, D. Kleiner, 2022, The American journal of medicine.

The Chemical Characterization of Eleutherococcus senticosus and Ci-wu-jia Tea Using UHPLC-UV-QTOF/MS

G. Isaac, I. Khan, B. Avula, 2019, International journal of molecular sciences.

High-performance liquid chromatographic determination of xanthohumol in rat plasma, urine, and fecal samples.

J. E. Warnick, I. Khan, M. Ganzera, 2004, Journal of chromatographic science.

Characterization of Steroidal Saponins From Two Dioscorea Species Using Liquid Chromatography and the Agilent 6500 Series Accurate-Mass Q-TOF LC / MS

Z. Ali, B. Avula, Yan-Hong Wang, 2014 .

Quantitative determination of triterpenoids and formononetin in rhizomes of black cohosh (Actaea racemosa) and dietary supplements by using UPLC-UV/ELS detection and identification by UPLC-MS.

I. Khan, B. Avula, Yan-Hong Wang, 2009, Planta medica.

Chemical Fingerprinting of Actaea racemosa (Black Cohosh) and Its Comparison Study with Closely Related Actaea Species (A. pachypoda, A. podocarpa, A. rubra) by HPLC

Z. Ali, I. Khan, B. Avula, 2007 .

The unapproved drug centrophenoxine (meclofenoxate) in cognitive enhancement dietary supplements

I. Khan, B. Avula, Pieter A. Cohen, 2022, Clinical toxicology.

Identification and quantification of 1,3-dimethylbutylamine (DMBA) from Camellia sinensis tea leaves and dietary supplements.

I. Khan, A. Chittiboyina, B. Avula, 2015, Journal of Pharmaceutical and Biomedical Analysis.

Pelargonium oil and methyl hexaneamine (MHA): analytical approaches supporting the absence of MHA in authenticated Pelargonium graveolens plant material and oil.

T. Murphy, I. Khan, L. Bowers, 2012, Journal of analytical toxicology.

Juniper Berries Regulate Diabetes and Obesity Markers Through Modulating PPARα, PPARγ, and LXR: In Vitro and In Vivo Effects.

L. Walker, Shabana I. Khan, I. Khan, 2023, Journal of medicinal food.

Simultaneous identification and quantification by liquid chromatography of benzethonium chloride, methyl paraben and triclosan in commercial products labeled as grapefruit seed extract.

I. Khan, B. Avula, S. Dentali, 2007, Die Pharmazie.

Differentiating the gum resins of two closely related Indian Gardenia species, G. gummifera and G. lucida, and establishing the source of dikamali gum resin using high-performance thin-layer chromatography and ultra-performance liquid chromatography-UV/MS.

I. Khan, B. Avula, Yan-Hong Wang, 2012, Journal of AOAC International.

Evaluation of the Herb-Drug Interaction (HDI) Potential of Zingiber officinale and Its Major Phytoconstituents.

Shabana I. Khan, Z. Ali, I. Khan, 2023, Journal of agricultural and food chemistry.

Ultrastructural, Energy-Dispersive X-ray Spectroscopy, Chemical Study and LC-DAD-QToF Chemical Characterization of Cetraria islandica (L.) Ach

I. Khan, S. Ross, B. Avula, 2023, Molecules.

Intestinal and blood-brain barrier permeability of ginkgolides and bilobalide: in vitro and in vivo approaches.

Bharathi Avula, Ikhlas A Khan, Yan-Hong Wang, 2010, Planta medica.

Transport of Schisandra chinensis extract and its biologically‐active constituents across Caco‐2 cell monolayers — an in‐vitro model of intestinal transport

L. Walker, Shabana I. Khan, I. Khan, 2008, The Journal of pharmacy and pharmacology.

Isolation and LC-QToF Characterization of Secondary Metabolites from an Endemic Plant Artemisia heptapotamica Poljak

I. Khan, S. Ross, B. Avula, 2023, Molecules.

Applicability of LC-QToF and Microscopical Tools in Combating the Sophisticated, Economically Motivated Adulteration of Poppy Seeds

I. Khan, A. Chittiboyina, B. Avula, 2023, Foods.

Bioactive fraction from Plumeria obtusa L. attenuates LPS-induced acute lung injury in mice and inflammation in RAW 264.7 macrophages: LC/QToF-MS and molecular docking

M. Meselhy, I. Khan, Yasmine H. Ahmed, 2023, Inflammopharmacology.

Identification of fusaricidins from the antifungal microbial strain Paenibacillus sp. MS2379 using ultra-high performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry.

M. Hinchee, Xing-Cong Li, I. Khan, 2019, Journal of chromatography. A.

Decaffeinated Green Tea Extract Does Not Elicit Hepatotoxic Effects and Modulates the Gut Microbiome in Lean B6C3F1 Mice

Mitchell R. McGill, I. Nookaew, D. Ussery, 2019, Nutrients.

Investigating sub-2 μm particle stationary phase supercritical fluid chromatography coupled to mass spectrometry for chemical profiling of chamomile extracts.

Bharathi Avula, Jianping Zhao, Cristina Avonto, 2014, Analytica chimica acta.

Enantiomeric Separation of Adrenergic Amines in Citrus Species, Related Genera and Dietary Supplements by Capillary Electrophoresis

I. Khan, B. Avula, S. K. Upparapalli, 2005 .

A sensitive bioanalytical method for quantitative determination of resiniferatoxin in rat plasma using ultra‐high performance liquid chromatography coupled to tandem mass spectrometry and its application in pharmacokinetic study

S. N. Murthy, I. Khan, B. Avula, 2019, Journal of pharmaceutical and biomedical analysis.

The Contents of Herbal and Dietary Supplements Implicated in Liver Injury in the United States Are Frequently Mislabeled

R. Fontana, J. Serrano, L. Seeff, 2019, Hepatology communications.

Quantitative determination of seven chemical constituents and chemo-type differentiation of chamomiles using high-performance thin-layer chromatography.

Jianping Zhao, I. Khan, B. Avula, 2014, Journal of Separation Science.

Fast Identification of 1,3-Dimethylamylamine Using Direct Analysis in Real Time-QToF-MS.

I. Khan, M. Elsohly, B. Avula, 2015, Journal of AOAC International.

Authentication of Tinospora cordifolia derived herbal supplements using high resolution mass spectrometry-based metabolomics approach – A pilot study

I. Khan, N. Chatterjee, B. Avula, 2023, Industrial Crops and Products.

Evaluation of the Herb-Drug Interaction Potential of Commonly Used Botanicals on the US Market with Regard to PXR- and AhR-Mediated Influences on CYP3A4 and CYP1A2

Shabana I. Khan, I. Khan, B. Gurley, 2022, Journal of dietary supplements.

Simultaneous analysis of adrenergic amines and flavonoids in citrus peel jams and fruit juices by liquid chromatography: part 2.

I. Khan, B. Avula, S. K. Upparapalli, 2007, Journal of AOAC International.

Quantitative determination of triperpene saponins and alkenated-phenolics from Labisia pumila using an LC-UV/ELSD method and confirmation by LC-ESI-TOF.

Z. Ali, I. Khan, B. Avula, 2010, Planta medica.

Determination of nicotine content in teeth submitted to prophylaxis and in-office bleaching by gas chromatography–mass spectrometry (GC-MS)

I. Khan, A. Reis, A. Loguércio, 2018, Clinical Oral Investigations.

Rapid analysis of lignans from leaves of Podophyllum peltatum L. samples using UPLC-UV-MS.

R. Moraes, I. Khan, B. Avula, 2011, Biomedical chromotography.

Quantitative Determination of Curcuminoids from Roots of Curcuma longa, Curcuma Species and Dietary Supplements by UPLC-UV-MS Method

I. Khan, B. Avula, Yan-Hong Wang, 2009 .

Simultaneous determination of eight coumarins in Angelica gigas and in various other Angelica species by high performance liquid chromatography and comparative micro-morphology study of Angelica species.

I. Khan, B. Avula, Y. Choi, 2007, Planta medica.

Determination and quantitation of five cucurbitane triterpenoids in Momordica charantia by reversed-phase high-performance liquid chromatography with evaporative light scattering detection.

I. Khan, B. Avula, Yan-Hong Wang, 2008, Journal of Chromatographic Science.

Phenoxychromone and 4-hydroxyisoflavans from the roots of Glycyrrhiza uralensis

Z. Ali, I. Khan, A. Chittiboyina, 2021, Natural product research.

Separation of cucurbitane triterpenoids from bitter melon drinks and determination of partition coefficients using vortex-assisted dispersive liquid-phase microextraction followed by UHPLC analysis.

Shuang Hu, I. Khan, B. Avula, 2017, Journal of separation science.

Quantitative determination of alkaloids from roots of Hydrastis canadensis L. and dietary supplements using ultra-performance liquid chromatography with UV detection.

I. Khan, B. Avula, Yan-Hong Wang, 2012, Journal of AOAC International.

Quantitative Analysis of Oxyresveratrol in Different Plant Parts of Morus Species and Related Genera by HPTLC and HPLC

I. Khan, B. Avula, Yan-Hong Wang, 2011, JPC – Journal of Planar Chromatography – Modern TLC.

Separation and Determination of Ephedrine Enantiomers and Synephrine by High Performance Capillary Electrophoresis in Dietary Supplements

I. Khan, B. Avula, 2004, Chromatographia.

Analytical methods for determination of magnoflorine and saponins from roots of Caulophyllum thalictroides (L.) Michx. Using UPLC, HPLC and HPTLC

Z. Ali, I. Khan, B. Avula, 2011 .

Column liquid chromatography/electrospray ionization-time of flight-mass spectrometry and ultraperformance column liquid chromatography/mass spectrometry methods for the determination of ginkgolides and bilobalide in the leaves of Ginkgo biloba and dietary supplements.

I. Khan, B. Avula, Yan-Hong Wang, 2009, Journal of AOAC International.

Authentication of Stephania tetrandra S. Moore (Fang Ji) and differentiation of its common adulterants using microscopy and HPLC analysis

Bharathi Avula, Ikhlas A. Khan, I. Khan, 2007, Journal of Natural Medicines.

Interaction between Topically and Systemically Coadministered P-Glycoprotein Substrates/Inhibitors: Effect on Vitreal Kinetics

S. Majumdar, I. Khan, B. Avula, 2010, Drug Metabolism and Disposition.

COX2-Inhibitory and Cytotoxic Activities of Phytoconstituents of Matricaria chamomilla L.

T. Efferth, I. Khan, B. Avula, 2023, Applied Sciences.

High Resolution GC / MS Analysis of Ginkgolic Acids in Ginkgo biloba Plants , Extracts , and Dietary Supplements Using the Agilent 5975 C Series GC / MSD

Jianping Zhao, I. Khan, A. Chittiboyina, 2015 .

LC-QToF chemical profiling of Euphorbia grantii Oliv. and its potential to inhibit LPS-induced lung inflammation in rats via the NF-κB, CY450P2E1, and P38 MAPK14 pathways

I. Khan, A. El-Halawany, B. Avula, 2023, Inflammopharmacology.

Mediators of the association between pre-eclampsia and cerebral palsy: population based cohort study

S. Lydersen, G. Andersen, T. Vik, 2013, BMJ.

RP-HPLC determination of phenylalkanoids and monoterpenoids in Rhodiola rosea and identification by LC-ESI-TOF.

Z. Ali, I. Khan, B. Avula, 2009, Biomedical chromatography : BMC.

I. Khan, B. Avula, Yan-Hong Wang, 2013, Planta Medica.

Investigating sub-2 μm particle stationary phase supercritical fluid chromatography coupled to mass spectrometry for chemical profiling of chamomile extracts.

C. Legido-Quigley, N. Smith, G. Isaac, 2014, Analytica chimica acta.

I. Khan, B. Avula, S. Sagi, 2014, Journal of pharmaceutical and biomedical analysis.

The Marine Sponge-Derived Polyketide Endoperoxide Plakortide F Acid Mediates Its Antifungal Activity by Interfering with Calcium Homeostasis

I. Khan, L. Walker, M. Hamann, 2011, Antimicrobial Agents and Chemotherapy.

In Situ Gel of Triamcinolone Acetonide-Loaded Solid Lipid Nanoparticles for Improved Topical Ocular Delivery: Tear Kinetics and Ocular Disposition Studies

Karthik Yadav Janga, S. Majumdar, B. Avula, 2018, Nanomaterials.

Transport of Schisandra chinensis extract and its biologically‐active constituents across Caco‐2 cell monolayers — an in‐vitro model of intestinal transport

L. Walker, Shabana I. Khan, I. Khan, 2008, The Journal of pharmacy and pharmacology.

Label Accuracy of Weight Loss Dietary Supplements Marketed Online With Military Discounts

B. Avula, Andrea T. Lindsey, Kumar Katragunta, 2024, JAMA network open.

Screening of Medicinal Plants for PPARα and PPARγ Activation and Evaluation of Their Effects on Glucose Uptake and 3T3-L1 Adipogenesis

Shabana I. Khan, I. Khan, B. Avula, 2013, Planta Medica.

High-resolution gas chromatography/mass spectrometry method for characterization and quantitative analysis of ginkgolic acids in Ginkgo biloba plants, extracts, and dietary supplements.

Jianping Zhao, I. Khan, A. Chittiboyina, 2014, Journal of agricultural and food chemistry.

Pelargonium oil and methyl hexaneamine (MHA): analytical approaches supporting the absence of MHA in authenticated Pelargonium graveolens plant material and oil.

T. Murphy, I. Khan, L. Bowers, 2012, Journal of analytical toxicology.

Inhibition of CYP3A4 and CYP1A2 by Aegle marmelos and its constituents

L. Walker, Shabana I. Khan, V. Manda, 2016, Xenobiotica; the fate of foreign compounds in biological systems.

Characterization of ADME Properties of Diosgenin and Dioscin: Bioactive Constituents of Dioscorea villosa (Wild yam)

Shabana I. Khan, I. Khan, Z. Ali, 2013 .

N. Duzgoren-Aydin, K. Willett, I. Khan, 2011, Environmental monitoring and assessment.

Evaluation of wild yam (Dioscorea villosa) root extract as a potential epigenetic agent in breast cancer cells

B. Katzenellenbogen, L. Walker, Shabana I. Khan, 2014, In Vitro Cellular & Developmental Biology - Animal.