The 24th Annual International Conference on the Science of Botanicals (ICSB) was held in Oxford, MS. Dr. Zhang delivered a talk at the "Chromatographic Tools to Assess Quality" session. Please check the conference details here.
Yanfang published her recent work in the Journal of Agricultural and Food Chemistry with the title of 'Metabolomics and Molecular Networking Approach for Exploring the Effect of Light Intensity and Quality on the Chemical Profile and Accumulation of Glucosinolates in Broccoli Microgreen,' and our collaborator, Dr. Jianghao Sun at MAFCL, USDA, led this research project. Please check the details here.
Dr. Zhang delivered a seminar talk at the Beltsville Human Nutrition Research Center (BHNRC) of the USDA in Beltsville, MD, on February 20, 2025. His presentation, titled "Botanical Data Central: Advancing Online Tools and Databases for Botanical Phytochemicals," focused on the recent development of an online platform for botanical data processing and a secondary metabolite database.
Our recent work entitled 'Quantitative analysis of cannabinoids by zone heat-assisted DART-MS with in-situ flash derivatization,' was published in Forensic Chemistry. For details, please check the click here.
Our recent work entitled 'Recovery and detection of ignitable liquid residues from the substrates by solid phase microextraction – direct analysis in real time mass spectrometry,' was published in Forensic Chemistry. For details, please check the click here.
Kevin Cavey gave an oral presentation at the ACS GSSPC Spring 2024 symposium on nanoparticle heterogeneity: realizing strengths by embracing differences. His presentation was titled ‘Every ligand counts: Quantitative analysis of nanoparticle surface ligands via TD-DART-MS.' We thanked the ACS Spring 2024 Graduate Student Symposium Planning Committee (GSSPC) for the travel support and DOE was acknowledged for sponsoring this research.
Gracie, Kevin, Roderick, Shruthi, and Tori gave poster presentations during the CBAS Days on Tuesday and in a university-wide Research and Creative Activity Exposition on Friday. Shruthi won the CBAS First Place Award at the doctoral level. Congratulations to everyone for the great work!
Our group gave a poster presentation at the annual NIJ Forensic Science R&D Symposium in Denver, CO during the AAFS conference. The title of the presentation is "Recovery and analysis of both volatile and less-volatile compounds from ignitable liquid residues on substrates/debris by SPME‐DART‐MS".
Our recent work on the quantitation of anthocyanins has been accepted for publication in a leading journal in the field of food science, Food Chemistry. We collaborated with the Methods and Application of Food Composition Laboratory at USDA, Dr. Xin Yang MTSU), and Dr. Ning Zhang (Fisk U) to study the UV–Vis molar absorptivity variation and quantitation of anthocyanins using molar relative response factor.
Dr. Zhang gave two talks at the SciX 2023 conference in Sparks, Nevada. He first presented in the 'Chemometric Opportunities in Forensic Chemistry' session on Monday to discuss the 'Ignitable Liquid Analysis by DART-MS and Chemometrics', and then joined the FACSS Innovation Award Finalists Plenary Session on Thursday to give a talk on the topic of 'New Opportunities for Mass Spectrometry in Nanocrystal Surface Chemistry'. Dr. Zhang also chaired the 'Chemometrics in Food and Agriculture' session on Tuesday.
Congratulations to Gracie as one of the first cohort of the AMPLIFY Scholars for the 2023-2024 academic year! This cohort comprises undergraduate students from MTSU's physics, chemistry, geoscience, math, computer science, and data science programs. The AMPLIFY Scholarship Program, which focuses on research and mentoring, aims to nurture the next generation of US researchers and scholars in the fields of Materials, Quantum, Computation, and AI. It seeks to broaden participation and promote diversity in STEM.
Our group gave a poster presentation at the AOAC Annual Meeting in New Orleans, LA, and won the first-time poster presenter award (link). Dr. Zhang also joined the Editorial Board of The Journal of AOAC INTERNATIONAL.
The new UHPLC-QTOF-MS was just installed. An NSF MRI grant funds this instrument and will significantly enhance our analytical capability. A new DART Jump Shot was also acquired to couple with the QTOF-MS.
Another year of ASMS to catch up with the new research advances and meet with old friends. Our group gave two poster presentations at the ASMS conference:
Perna, S., Delicatoria, B., Chong, N.S., Zhang, M., ‘Identification of Ignitable Liquids by Gas Chromatography-Mass Spectrometry and Direct Analysis in Real-Time-Mass Spectrometry via Their Marker Compounds,’ ASMS 2023 Conference. Houston, TX. June 2023.
Dong, W., Yang, X., Zhang, N., Chen, P., Sun, J., Harnly, J.M., Zhang, M., ‘Quantitative Analysis of Anthocyanins in Plant Materials by LC-DAD-MS with Molar Relative Response Factors (MRRFs),’ ASMS 2023 Conference. Houston, TX. June 2023.
The MTSU College of Basic and Applied Sciences Academic Awards Ceremony was held today to recognize our students who have excelled in academic achievement and who are receiving departmental award, and announce the College-wide student, faculty, and Staff Awards. Our group members received multiple awards and scholarships, including
CBAS Outstanding Undergraduate Research Award (Briza Marie Reyes Dedicatoria)
ACS Analytical Award (Briza Marie Reyes Dedicatoria)
Outstanding Senior Award (Briza Marie Reyes Dedicatoria)
John Dubois Scholarship (Gracie Johnson)
CBAS Distinguished Research Award (Mengliang Zhang)
Left to right: Mengliang Zhang, Kevin, Gracie, Shruthi, Roderic, and Tori. (It would be perfect if Briza had been in the picture as well)
Dr. Zhang gave an oral presentation in the NIJ - Advancements in the Analysis of Forensic Trace Evidence session at Pittcon 2023, Philadelphia, Pennsylvania, USA.
Our group gave a poster presentation at the annual AAFS conference in Orlando, FL. The title is "The Unique Capability of Direct Analysis in Real Time Mass Spectrometry (DART-MS) for the Detection of Less Volatile Components in Ignitable Liquids". The link to this event can be found here.
Our group gave a poster presentation at the annual NIJ Forensic Science R&D Symposium in Orlando, FL. The title of the presentation is "Analysis of Less Volatile Components in Ignitable Liquids by DART-MS and Versatile Sampling Strategy". The link to this event can be found here.
Our manuscript entitled 'GC/MS and DART-MS as complementary methods for investigating the effects of weathering on chemical profiles of ignitable liquids: A case study for paint thinner' is online today in Forensic Chemistry. The project collaborates with Dr. Ngee Sing Chong at MTSU. The link can be found here.
Our manuscript entitled 'Comparison of Phytochemical Profiles of Wild and Cultivated American Ginseng Using Metabolomics by Ultra-High Performance Liquid Chromatography-High-Resolution Mass Spectrometry' is online today in Molecules. The project collaborates with the MAFCL group at USDA and Dr. Ying Gao at MTSU. The link can be found here.
Kevin and Shruthi gave a presentation about the DART-MS and its applications for the Science Club at Green Hill High School, Mt. Juliet, TN. The audiences are juniors and seniors who have taken Honors Biology/Chemistry and at least one of the AP science classes, and they were excited to see the cool DART-MS stories. Hopefully these future scientists and engineers are inspired to be leaders in the fields and develop more advanced tools to make the world a better place.
The Department of Chemistry at Middle Tennessee State University is excited to revive the annual scholarship tournament. The high school students came to the Science Building to compete for the scholarship and had a fun time watching a demo from Kevin to see how to detect trace chemicals from a $5 bill in seconds with DART-MS (picture on the left). Dr. Zhang is the coordinator of this event, and Briza and Miquellie lead the group tours. More news can be found here.
Our manuscript entitled 'Evaluation of Mass Spectrometric Methods for Screening Polycyclic Aromatic Hydrocarbons in the Particulate Phase of Wildfire/Biomass Smoke' is online today in Fire Technology. The project is collaborated with Dr. Ngee Sing Chong at MTSU and Dr. Zhuangjie Li at Cal State Fullerton and is funded by FEMA. The link can be found here.
The Federation of Analytical Chemistry and Spectroscopy Societies (FACSS) annual conference, SCIX 2022, was held in Northern Kentucky this year. Roderick gave a talk in 'Chemometrics and Food Safety' section and Dr. Zhang presented a poster regarding the detection of ignitable liquid residues with DART-MS.
Our recent manuscript entitled 'Mass Spectrometry-Based Nontargeted and Targeted Analytical Approaches in Fingerprinting and Metabolomics of Food and Agricultural Research' was published on J. Agric. Food Chem. as a cover article. This work collaborated with Dr. Jianghao Sun at USDA and was sponsored by the USDA and NIH-ODS. The link for this paper is available here.
Our proposal to acquire an LC-high res-MS system was funded by the NSF MRI program. On this grant, Zhang is the PI with Drs. Ngee Sing Chong, Ying Gao, Tony Johnston, and Andrienne Friedli (as Co-PIs, all are MTSU professors).
Kevin gave an oral presentation during the session of "Instrumentation: Ambient Ionization and Applications" on Wed June 8th, at the ASMS Conference in Minneapolis, MN. The title of his talk was "Chemistry of Colloidal Nanocrystal Surfaces: Elucidating Bound/Unbound Ligands via Thermal Desorption – Direct Analysis in Real-Time – Mass Spectrometry", and Kevin introduced a new and important field, surface chemistry of quantum dots, that the mass spectromists could make significant contributions to in the future.
On June 6th, 2022, Dr. Zhang, together with Dr. Ngee Sing Chong (MTSU), Dr. Zhuangjie Li (CSUF), and Dr. Jooyeon Hwang (OUHSC), organized an education session entitled ‘Evaluating Toxicant Exposures at the Wildland-Urban Interface Fires’ at the 2022 NFPA Conference & Expo in Boston, MA. During this 1-hour session, we presented the latest results from the current FEMA-funded study with a number of other studies conducted on wildland fires.
Our recent manuscript entitled 'Development of a Metabolite Ratio Rule-Based Method for Automated Metabolite Profiling and Species Differentiation of Four Major Cinnamon Species' was published on J. Agric. Food Chem. This work collaborated with Dr. Pei Chen at USDA and was sponsored by the USDA and NIH-ODS. The link for this paper is available here.
Dr. Zhang is honored to join a prominent team of editorial board members at one of the leading forensic journals, the Journal of Forensic Sciences (JFS). The JFS is the official publication of the American Academy of Forensic Sciences (AAFS).
J.E. Wiser Graduate Scholarship in the Chemistry Department at MTSU is awarded to an outstanding Chemistry Graduate student based on academic achievement, teaching ability, and professionalism. Congrats!
What a busy and remarkable day! Shruthi, Miquellie, and Briza presented three posters at the University-Wide Scholars Week Research & Creative Activity Exposition (Scholars Week, 2022), and they all did fantastic jobs to showcase the research in our group. Shruthi won the 1st place award! Congrats!
Briza also successfully defended her honors thesis with excellence in writing, presentation, and defending. Great work!
Kevin presented our DART-MS method for the analysis of ligands on quantum dots at the ACS Spring 2022 meeting.
The Forensic Technology Center of Excellence (FTCoE) assisted the National Institute of Justice (NIJ) in hosting the annual NIJ Forensic Science Research and Development (R&D) Symposium on March 1st & 2nd, 2022. Our group contributed a poster presentation.
"An Analysis of Polymer Composition and Dye of Textile Fibers by Direct Analysis in Real Time-Mass Spectrometry (DART®-MS) and Raman Microscopy" by Miquellie
"A Comparison of Weathering Profiles of Ignitable Liquids (ILs) by Gas Chromatography/Mass Spectrometry (GC/MS) and Direct Analysis in Real-Time Mass Spectrometry (DART-MS)" by Shruthi
Our Langmuir paper entitled 'Rapid and Sensitive Identification and Discrimination of Bound/unbound Ligands on Colloidal Nanocrystals via Direct Analysis in Real-time Mass Spectrometry' was selected as a cover article. The link is available here. About the Cover:
An illustration of DART-MS is shown on the top with two thermal desorption peaks for unbound and bound ligands, respectively, in the blue background. The bound oleate ligands on the CdSe quantum dot are desorbing with heat for DART-MS analysis. The birds in the sky at sunset inspired the design.
Our recent manuscript entitled 'Rapid and Sensitive Identification and Discrimination of Bound/unbound Ligands on Colloidal Nanocrystals via Direct Analysis in Real-time Mass Spectrometry' was published on Langmuir. This work collaborated with Dr. Van Patten and was sponsored by the Department of Energy. The link for this paper is available here.
Kevin is one of the three winners of the first College of Basic and Applied Sciences’ 3MT@MT Award Social. More information is available in the MTSU news (link). Great job!
It was great to join the in-person ASMS conference again. Ginny gave a 20-min talk at the Environmental: Innovative Approaches and Instrumentation session on Mon. Shruthi gave an in-person "hot topics" lightning talk in the Ambient Sampling and Ionization workshop Wed night and presented a poster in the Forensics session on Thu. Well done!
Roderick gave an oral presentation in the 'Chemometrics for Food and Drug Analysis’ Section at SciX 2021, Providence, RI. This conference is one of the first in-person analytical chemistry conferences in over a year. The title of his talk is 'Metabolite Ratio Rule-Based Method for Automated Metabolite Profiling and Species Differentiation of Cinnamon Samples'. Dr. Zhang is the organizer and presider of the session. More about SciX is here.
Our forensic research project is funded by the 'Research and Development in Forensic Science for Criminal Justice Purposes' program by the National Institute of Justice (NIJ), the U.S. Department of Justice. This project is a collaboration with Professor Ngee Sing Chong at MTSU.
We are fortunate to have a new Agilent ICP OES with the support from the MOBI program. This is an essential tool for elemental analysis, which is critical for our FEMA project and QD project. We also had virtual training today!
The microbalance is a key equipment to support several projects in our group. We are grateful for the support from MOBI program.
Our recent manuscript entitled 'Chemical Analysis and Classification of Black Pepper (Piper nigrum L.) based on Their Country of Origin Using Mass Spectrometric Methods and Chemometrics' was accepted by Food Research International. This work was collaborated with Drs. Chen and Sun at USDA.
Jared Frazier is the 7th MTSU student selected for the Goldwater Scholarship since 2007. More information can be found at GoldWater Scholar Press Release. The full story is featured on MTSU NEWS.
Jared and Ginny gave a poster presentation on the 67th American Society for Mass Spectrometry (ASMS) Annual Conference in Atlanta at the Georgia World Congress Center. A large audience have shown interests in our project about explosive analysis by DART-MS and they kept Jared and Ginny super busy on Monday.
Isabella placed the 1st in the university-wide Scholars Week poster exposition. She also won 2nd place in CBAS Day poster presentation competition.
Ginny won the 2nd place on Scholars Day
Oscar presented his research on Scholars Day
Jared presented his research on Scholars Day
We have had a very successful Scholars Week and took back several prizes. Isabella won the 1st place in the university-wide Scholars Week poster exposition (the only winner in our college) and Ginny won the 2nd place (the only 2nd place winner in the college). In addition, Isabella won the 2nd place in the College of Basic and Applied Sciences Scholars Day (CBAS DAY) poster presentation competition. Oscar also did a great job on his presentation and impressed the colleagues. Jared presented the research on CBAS Day as a freshman student and did amazingly well on his presentation.
Congratulations to Isabella for her work entitled 'Detection and Classification of Ignitable Liquid Residues in the Presence of Matrix Interferences by Using Direct Analysis in Real Time Mass Spectrometry' accepted by Journal of Forensic Sciences. Great work!
This work is collaborated with Dr. Frank C. Bailey, a professor in department of biology and director of forensic science program at MTSU.
Congratulations to Isabella Barnett for presenting your excellent research in the Chemistry Student Poster Presentation at the 128th meeting of the Tennessee Academy of Science. Isabell won the 1st place with her work titled 'Differentiation of ignitable liquids by using Direct Analysis in Real Time Mass Spectrometer (DART-MS)'.
Vishaka also did a great job to present her research, titled 'Quantitative analysis of Local Water Samples for Algal Toxin: Microcystin-LR', at the same conference. This work is collaborated with Dr. Frank C. Bailey, a professor in department of biology and director of forensic science program at MTSU.
Dr. Zhang organized 'Chemometric Opportunities in Forensic Science' session in SCIX 2018 annual conference at Atlanta, Georgia, and invited researchers from FIU, SUNY at Albany, Michigan State, and U South Carolina to present their recent research on forensic science with chemometrics. Dr. Zhang also gave a talk in the same session on the topic of GC/MS data preprocessing for ignitable liquid identification.
Congratulations to Isabella for her recent publication in Forensic Chemistry. Great work!
Congratulations to Isabella and Vishaka for receiving Undergraduate Research Experience and Creative Activity (URECA) awards from Undergraduate Research Center, MTSU to support their research during the summer.