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RESEARCH TOPIC

Research in Fundamental Science

Physics, chemistry, biology, mathematics, and foundational knowledge enabling new discoveries.

39related research records
CURATED RESEARCH COLLECTION

Latest research in this collection

Ordered by latest publication date

Fundamental Science

Long-duration oscillation of a tsunami in the west Japan region following the 21 December 2010 Mw 7.4 Bonin Outer-rise earthquake

On December 21, 2010, a large normal-faulting earthquake (M w 7.4) occurred off the Bonin Islands, generating a tsunami that propagated across the Pacific Ocean and reached Japan. Tsunami signals were recorded using Deep-Ocean Assessment an…

Journal
Ocean Engineering
Thai researchers
Anawat Suppasri
Thai institutions
Chulalongkorn University
Fundamental Science

Unravelling Mass Transfer in Algols from Surface Abundances. I. Z Vulpeculae

Abstract The photospheric abundance pattern of the components is a sensitive probe of mass and angular momentum transfer in Algols. With the aim to trace the evolutionary history and disclosed efficiency of mass transfer in Algols we collec…

Journal
Monthly Notices of the Royal Astronomical Society
Thai researchers
D. E. Mkrtichian
Thai institutions
National Astronomical Research Institute of Thailand
Fundamental Science

EP250827b/SN 2025wkm: An X-Ray Flash-supernova Powered by a Central Engine and Circumstellar Interaction

Abstract We present the discovery of EP250827b/SN 2025wkm, an X-ray flash (XRF) discovered by the Einstein Probe (EP), accompanied by a broad-line Type Ic supernova (SN Ic-BL) at z = 0.1194. EP250827b possesses a prompt X-ray luminosity of …

Journal
The Astrophysical Journal Letters
Thai researchers
Krittapas Chanchaiworawit · K. Noysena · Samaporn Tinyanont
Thai institutions
National Astronomical Research Institute of Thailand
Fundamental Science

OH Maser Polarimetric Observations of Planetary Nebulae

Abstract We present full-polarization observations of the four ground-state transitions of OH, carried out with the Australia Telescope Compact Array toward two very young planetary nebulae (PNe), IRAS 16333−4807 and IRAS 17393−2727. We det…

Journal
The Astrophysical Journal
Thai researchers
Lucero Uscanga · M. D. Gray · K. Asanok
Thai institutions
National Astronomical Research Institute of Thailand
Fundamental Science

Arbuscular Mycorrhiza Fungi Reduce Photosystem II Efficiency in Phosphorus-Deficient Maize Without Promoting Growth

Arbuscular mycorrhizal fungi (AMF) are widely reported to restore photosynthetic efficiency under phosphorus deficiency. Whether this holds under combined phosphorus-and-zinc deficiency in early-stage maize (Zea mays), and how AMF modify th…

Journal
Plants
Thai researchers
Luqman Dau · Arunee Wongkaew · Wannasiri Wannarat · Apidet Rakpenthai · Worachart Wisawapipat
Thai institutions
Kasetsart University · Ministry of Agriculture and Cooperatives
Fundamental Science

Electronic circular dichroism prediction on monomeric and dimeric γ-lactone derivatives: An important role of conformational averaging

The electronic circular dichroism (ECD) of a series of monomeric and dimeric γ-lactones was investigated using time-dependent density functional theory (TDDFT) and simplified TDDFT. Given the inherent conformational flexibility of these com…

Journal
Arabian Journal of Chemistry
Thai researchers
Jiraporn Arunpanichlert · Chakhon Salee · Thitiwut Deenor · Pichayanoot Rotkrua · Boonchoy Soontornworajit
Thai institutions
Thammasat University
Fundamental Science

Carbon-Mediated Rechargeable Operation for Light-Driven Ammonia Production Using Quantum Dot- Azotobacter vinelandii Hybrids

Integrating diazotrophic microorganisms with semiconductor nanomaterials enables nitrogen (N 2 )-to-ammonia (NH 3 ) conversion under ambient conditions, yet most studies are evaluated using washed cells in carbon-free buffers, obscuring met…

Journal
Journal of the American Chemical Society
Thai researchers
Joongjai Panpranot · Doh C. Lee
Thai institutions
Chulalongkorn University
Basic Science

MLKL confers ferroptosis resistance in colorectal cancer cells via impaired ESCRT-III-mediated membrane repair

Cancer-data analysis and cell experiments found that MLKL depletion increased sensitivity to GPX4-inhibitor ferroptosis across cancer cells, with lower glutathione, altered NRF2/KEAP1/SLC7A11 signaling, and impaired CHMP5-mediated membrane …

Journal
Biology Direct
Thai researchers
Sasiprapa Sonkaew · Nattaya Duangthim · Chutikarn Butkinaree · Yodying Yingchutrakul · Siriporn Jitkaew
Thai institutions
Chulalongkorn University · National Science and Technology Development Agency
Basic Science

Network Pharmacology and Molecular Docking of Syzygium nervosum Extracts on Antiproliferative Effect in Prostate Cancer

Syzygium nervosum extract reduced viability, colony formation, and cell-cycle progression in DU145 and PC-3 prostate-cancer cells at 25-400 µg/mL. Computation suggested gallic and ellagic acids may interact with AKT and CDK2, but cell and d…

Journal
International Journal of Molecular Sciences
Thai researchers
Napatsorn Saiyasit · Tanakamol Mahawan · Nitchakan Darai · Pilaiporn Thippraphan · Yawitthaphorn Soihin
Thai institutions
Walailak University · Chiang Mai University
Basic Science

Multiplicity Dependence of Prompt and Non-Prompt J/psi Production at Midrapidity in pp Collisions at sqrt(s) = 13 TeV

The ALICE collaboration measured dielectron J/psi production at midrapidity in 13 TeV proton-proton collisions. Both prompt and non-prompt self-normalized yields increased faster than linearly with charged-particle multiplicity, most clearl…

Journal
Journal of High Energy Physics
Thai researchers
A. R. Alfarasyi
Thai institutions
Suranaree University of Technology
Basic Science

6β-Acetoxysandaracopimaradien-1α,9α-diol Attenuates LPS-Induced Acute Lung Injury: Association with Alterations in Src, MAPK, and Akt/GSK-3β Signalling

6β-Acetoxysandaracopimaradien-1α,9α-diol (ASPD) reduced cytokines and signaling phosphorylation in LPS-stimulated lung cells and reduced histologic injury, edema, and inflammatory infiltration in an acute-lung-injury mouse model. This suppo…

Journal
International Journal of Molecular Sciences
Thai researchers
Nassareen Supaweera · Wanatsanan Chulrik · Chutima Jansakun · Aman Tedasen · Chuchard Punsawad
Thai institutions
Walailak University · University of Phayao · Ramkhamhaeng University
Basic Science

Aggregatibacter actinomycetemcomitans NadN Contributes to Neutrophil Extracellular Trap Degradation

Cell-based experiments found that Aggregatibacter actinomycetemcomitans, a bacterium associated with periodontitis, can degrade neutrophil extracellular traps after capture and identified membrane-associated NadN as an important mediator. E…

Journal
Journal of Oral Microbiology
Thai researchers
Yaowapa Puanglai · Anongnard Kasorn · Oranart Matangkasombut · Dujduan Waraho‐Zhmayev · Soraya Chaturongakul
Thai institutions
Mahidol University · Navamindradhiraj University · Vajira Hospital · Chulalongkorn University
Basic Science

Mid-gestational luteal insufficiency in predisposed dog breeds: Retrospective evaluation of medroxyprogesterone acetate therapy and timed-withdrawal in 29 pregnancies

A retrospective review of 29 pregnancies in 25 bitches diagnosed with hypoluteodism and treated with low-dose medroxyprogesterone plus withdrawal 24-48 hours before cesarean found 79.3% progesterone decline in weeks 5-6 and 86.2% term maint…

Journal
Veterinary World
Thai researchers
Saengtawan Arayatham · Panthipa Borikappakul · Sakchai Ruenphet
Thai institutions
Mahanakorn University of Technology
Basic Science

Notes on the genus Thismia (Thismiaceae) in Cambodia

A literature and field-survey study in Cambodia's Bokor National Park records three Thismia species: T. bokorensis, T. filiformis, and T. gardneriana, and provides descriptions, photographs, an identification key, and preliminary IUCN-based…

Journal
Thai Forest Bulletin (Botany)
Thai researchers
Savin Kin · Alisa Nakkaew · Sahut Chantanaorrapint
Thai institutions
Prince of Songkla University
Basic Science

A new false truffle species, Hysterangium shibaoshanense (Hysterangiales, Basidiomycota), from northwestern Yunnan, China

An international taxonomic team describes the new false-truffle species Hysterangium shibaoshanense from Shibaoshan Mountain, northwestern Yunnan, China, using morphology and multilocus phylogenies from ITS, nrLSU, atp6, rpb2, and tef1.

Journal
Phytotaxa
Thai researchers
Lin Li · Naritsada Thongklang · Kevin D. Hyde
Thai institutions
Mae Fah Luang University
Basic Science

Revisiting the evidence for dynamical dark energy: from DES-SN5Y to DES-Dovekie

This cosmology study asks whether apparent evidence for dynamical dark energy survives replacement of DES-SN5Y supernova data with the revised DES-Dovekie compilation alongside DESI DR2 BAO and CMB. Preference over ΛCDM falls substantially …

Journal
The European Physical Journal C
Thai researchers
Phongpichit Channuie
Thai institutions
Walailak University
Basic Science

Two new species and a new record of crustose lichens from Thailand

Taxonomists describe two new crustose lichen species from Thailand, Astrochapsa pruinosa and Ramonia sirindhorniana, and report Acanthothecis tetraphora for the first time in Asia. Diagnoses rely on reproductive structures and ascospore num…

Journal
The Bryologist
Thai researchers
Vasun Poengsungnoen · Kawinnat Buaruang · Wetchasart Polyiam · Ek Sangvichien · Kansri Boonpragob
Thai institutions
Ramkhamhaeng University
Basic Science

Iodine-Mediated Reaction of 2-Mercaptobenzimidazoles with Carbonyl Compounds via Sulfenamide Intermediates: Divergent Access to Imidazo[2,1-b]thiazoles and Thioenamines

Chemists developed an iodine-mediated reaction of 2-mercaptobenzimidazoles with carbonyl compounds and an amine additive, giving either fused imidazo[2,1-b]thiazoles or thioenamines depending on substrate class.

Journal
Synthesis
Thai researchers
Muh Alfliadhi · Raihan Khaminthong · Mookda Pattarawarapan · Surat Hongsibsong · Saranphong Yimklan
Thai institutions
Chiang Mai University
Tourism and development

Fundamental Impacts of Technological Awareness on Online Booking Intention

Data from 450 Thai tourists across multiple destinations were analysed with structural-equation modelling to examine technological awareness, readiness, innovation, perceived value, satisfaction and online booking intention for green resort…

Journal
International Journal of Asian Business and Information Management
Thai researchers
Long Kim · Jintanee Ru-Zhue · Neeranat Kaewprasert Rakangthong · Somnuk Aujirapongpan
Thai institutions
Walailak University · Silpakorn University
Fundamental science

Angiotensin I-Converting Enzyme Inhibitor Activity of Some Plants Used in Thai Indigenous Medicine

Four plants used by Northern Thai ethnic communities for hypertension were screened as ethanolic extracts for ACE inhibition, with cytotoxicity tested in HEK293T kidney cells.

Journal
Plants
Thai researchers
Prattana Sumridpiem · Pimonrat Tiansawat · Oratai Neamsuvan · Hataichanok Pandith · Aussara Panya
Thai institutions
Chiang Mai University · Prince of Songkla University
Basic Science

RGD-functionalized cannabidiol lipid nanoparticles improve brain delivery and alleviate cognitive and metabolic dysfunction via gut-brain axis modulation in an Alzheimer's disease model

RGD-functionalized cannabidiol lipid nanoparticles increased cellular uptake threefold and in-vitro BBB transport by 65%, while reducing inflammatory and oxidative markers. In a preclinical Alzheimer's model, cognition, Aβ/tau pathology, me…

Journal
Biomedicine & Pharmacotherapy
Thai researchers
Sarawut Lapmanee · Natchayaporn Thonapan · Siriwan Sriwong · Sakkarin Bhubhanil · Prapimpun Wongchitrat
Thai institutions
Thammasat University · Siam University · Mahidol University · Naresuan University
Basic Science

Potent Anti-adipogenic Activity of Cyclopeptide Mallotumide A on Murine 3T3-L1 Adipocytes

At 1 nM, the cyclopeptide Mallotumide A reduced lipid accumulation and adipogenic-regulator expression in murine 3T3-L1 cells, without major apoptosis or mitochondrial impairment in mature adipocytes. Because this concentration is near the …

Journal
ACS Omega
Thai researchers
Chayanee Laowittawat · Phanthira Boonprasert · Natthapat Sawektreeratana · Sakchai Hongthong · Vichai Reutrakul
Thai institutions
Mahidol University · Silpakorn University · Rajabhat Rajanagarindra University
Basic Science

Dual Mechanisms of Apigenin and Luteolin Against Dengue Virus Serotype 2: Allosteric Inhibition of NS2B/NS3 Protease and Interference with Host C-Type Lectin Receptor-Mediated Entry

PASS, SwissADME, ProTox and docking predicted favourable properties for luteolin and apigenin, with calculated NS2B-NS3 allosteric binding of -7.74 and -7.67 kcal/mol and interactions with host C-type lectin receptors. All findings are comp…

Journal
Journal of Health Science and Medical Research
Thai researchers
Siriwan Aroonrungreang · Benjaporn Noppradit · Panupong Puttarak · Smonrapat Surasombatpattana · Nawamin Pinpathomrat
Thai institutions
Prince of Songkla University
Basic Science

First report and molecular characterization of gizzard erosion-associated fowl adenovirus serotype 8a in Thailand

Gizzard lesions in Thai chickens contained intranuclear inclusions, in-situ hybridization signal and PCR-confirmed fowl adenovirus. Hexon and fibre sequencing identified FAdV-8a strain FAdV8a_NPT_KU001_25, closer to a gizzard-tropic than an…

Journal
BMC Veterinary Research
Thai researchers
Sittinee Kulprasertsri · Nuttawat Leeraksakiat · Sakuna Phatthanakunanan · Pattrawut Saengnual · Ploypassorn Homklinkaew
Thai institutions
Kasetsart University
Basic science

Multi-Targeted Anti-Alzheimer’s Effects of Tri-Sannibat-Phol: Biological Evaluation, Behavioral Validation, and LC-MS/MS Phytochemical Profiling

Researchers evaluated the Thai polyherbal formula Tri-Sannibat-Phol in antioxidant, acetylcholinesterase and amyloid-beta assays, followed by neuronal-cell and scopolamine mouse models. Several outcomes improved and piperine was a prominent…

Journal
Pharmaceuticals
Thai researchers
Pitchayakarn Takomthong · Pornthip Waiwut · Sumet Kongkiatpaiboon · Khemjira Phemphunananchai · Chantana Boonyarat
Thai institutions
Khon Kaen University · Ubon Ratchathani University · Thammasat University
Basic science

[(Bromomethyl)phenyl]methyl-Conjugated Chalcone Derivatives as Potential Lung Cancer Inhibitors: Structure Modification, Molecular Docking, Molecular Dynamics and In Vitro Validation

Researchers modified dimethyl cardamonin into derivatives 2a and 2b and evaluated them in lung-cancer cells, docking and molecular dynamics. Both inhibited NCI-H460 cells at IC50 values near 8 micromolar and were less toxic to MRC-5 cells t…

Journal
International Journal of Molecular Sciences
Thai researchers
Nathaporn Cheechana · Nopawit Khamto · Kraikrit Utama · Chawanakorn Kongsak · Puracheth Rithchumpon
Thai institutions
Chiang Mai University · Naresuan University · Khon Kaen University
Basic Science

Geographical Origin Drives Metabolic Divergence in Styphnolobium japonicum cv. Jinhuai: A Widely Targeted Metabolomic Study of Flower Buds from Sichuan and Guangxi, China

This UPLC–MS/MS study profiles Styphnolobium japonicum cv. Jinhuai flower buds from Sichuan and Guangxi, China, seeking chemical fingerprints and origin markers for raw-material quality control.

Journal
Metabolites
Thai researchers
Leilei Zuo · Waralee Watcharin
Thai institutions
Assumption University
Basic Science

Numerical and Analytical Investigations of Hadamard Variable Order Fractional Differential Equations via Cumulative Distribution Functions

This mathematical study formulates Hadamard variable-order fractional differential equations whose order follows a random variable’s cumulative distribution function, deriving conditions for existence, uniqueness and stability.

Journal
Fractal and Fractional
Thai researchers
Kanokwan Sıtthıthakerngkıet
Thai institutions
King Mongkut's University of Technology North Bangkok
Basic Science

Hernquist Dark Matter Halo: New Self-Consistent Black Hole Exact Solution of Einstein Equation, Optical and Ringing Signatures and Thermodynamics

This theoretical-physics study constructs an exact static, spherical Einstein-equation solution for a black hole embedded in a Hernquist dark-matter halo and derives optical, quasinormal-mode and thermodynamic consequences.

Journal
Chinese Physics C
Thai researchers
David Senjaya
Thai institutions
Mahidol University
Basic science

Lepidagathis (Acanthaceae) of Thailand: New Species and Updated Synopsis

A Flora of Thailand synopsis recognises nine Thai Lepidagathis species, describes L. argentea from limestone in Tak as new, records L. dulcis, L. purpuricaulis and L. thorelii for Thailand, reduces two names to synonymy and lectotypifies si…

Journal
Thai Forest Bulletin (Botany)
Thai researchers
Chortip Kantachot · Pranom Chantaranothai
Thai institutions
Ubon Ratchathani University · Khon Kaen University
Basic science

Selective reduction of major egg white allergens (Gal d 1–4) by cold atmospheric plasma: Structural insights and processing optimization

A central-composite optimisation of cold atmospheric plasma for liquid egg white found that 1-mm thickness for three minutes reduced assay immunoreactivity of Gal d 4, 2, 1 and 3 by 70%, 68%, 52% and 6%, respectively, with RONS-driven struc…

Journal
LWT
Thai researchers
Teerin Chysirichote · Soysruang Aroonsong
Thai institutions
King Mongkut's Institute of Technology Ladkrabang
Basic Science

Integral Representations of Companion Fibonacci and Pell Numbers

This mathematical study examines one-parameter generalisations of Fibonacci and Pell sequences that preserve their recurrence relations under arbitrary initial conditions, deriving integral representations for several companion-sequence fam…

Journal
WSEAS TRANSACTIONS ON MATHEMATICS
Thai researchers
Weerayuth Nilsrakoo · Achariya Nilsrakoo
Thai institutions
Ubon Ratchathani University · Ubon Ratchathani Rajabhat University
Basic science

Long‐term adverse cardiovascular changes induced by cocoa shell extract administration through lactation in fetal undernourished and control rats

A rat experiment tested lactation as a developmental reprogramming window by giving dams, whose offspring had or had not experienced fetal undernutrition, cocoa-shell extract at 250 mg/kg/day. Although adult undernourished offspring had low…

Journal
Experimental Physiology
Thai researchers
Metee Iampanichakul
Thai institutions
Khon Kaen University
Basic science

Two new species and one new record of Perennicordyceps (Polycephalomycetaceae, Hypocreales) from China

Researchers describe two new Perennicordyceps species and one new host record from China using morphology and multilocus phylogeny across nrLSU, ITS, nrSSU, tef-1α, rpb1 and rpb2. The new taxa formed supported lineages and expand knowledge …

Journal
MycoKeys
Thai researchers
Kevin D. Hyde
Thai institutions
Mae Fah Luang University · Chiang Mai University
Basic science

Looped Homology Theory of Weighted Graphs

The study defines looped homology for weighted reflexive graphs with parameter r>0 through the categorical graph product. It proves a discrete Mayer-Vietoris exact sequence and Eilenberg-Steenrod axioms, gives examples detecting n-dimension…

Journal
Studia Scientiarum Mathematicarum Hungarica
Thai researchers
Sahawat Wongkhunen · Pongdate Montagantirud
Thai institutions
Chulalongkorn University