LabID-base/OpenAlex-Afillation huggingface dataset:
New multiplex LC-MS/MS method for lipid biomarker analysis of inherited neurodegenerative metabolic diseases
Year: 2025
Type: article
Language: en
Topic: Lysosomal Storage Disorders Research
Authors and affiliations:
raw_author_name: Anna Sidorina
raw_affiliation_strings: Division of Metabolic Diseases and Hepatology, Bambino Gesù Childrens Hospital IRCCS, Rome, Italy
raw_author_name: Giulio Catesini
raw_affiliation_strings: Division of Metabolic Diseases and Hepatology, Bambino Gesù Childrens Hospital IRCCS, Rome, Italy
raw_author_name: Federica Deodato
raw_affiliation_strings: Division of Metabolic Diseases and Hepatology, Bambino Gesù Childrens Hospital IRCCS, Rome, Italy
raw_author_name: Sara Boenzi
raw_affiliation_strings: Division of Metabolic Diseases and Hepatology, Bambino Gesù Childrens Hospital IRCCS, Rome, Italy
raw_author_name: Diego Martinelli
raw_affiliation_strings: Division of Metabolic Diseases and Hepatology, Bambino Gesù Childrens Hospital IRCCS, Rome, Italy
raw_author_name: Cristiano Rizzo
raw_affiliation_strings: Division of Metabolic Diseases and Hepatology, Bambino Gesù Childrens Hospital IRCCS, Rome, Italy
raw_author_name: Carlo Dionisi-Vici
raw_affiliation_strings: Division of Metabolic Diseases and Hepatology, Bambino Gesù Childrens Hospital IRCCS, Rome, Italy. Electronic address: carlo.dionisivici@opbg.net
Effects of surgical therapies on cognitive function in patients with essential tremor
Year: 2025
Type: article
Language: en
Topic: Neurological disorders and treatments
Authors and affiliations:
raw_author_name: Vibhash D. Sharma
raw_affiliation_strings: Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA; Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA. Electronic address: vibhash.sharma@UTSouthwestern.edu
raw_author_name: Diane S. Berry
raw_affiliation_strings: Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
raw_author_name: Stephanie Cosentino
raw_affiliation_strings: Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University Irving Medical Center, New York, NY, USA; Gertrude H. Sergievsky Center, Columbia University Irving Medical Center, New York, NY, USA; Department of Neurology, Columbia University Irving Medical Center, New York, NY, USA
raw_author_name: Elan D. Louis
raw_affiliation_strings: Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA; Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
Machine learning-assisted colorimetric sensor array based on laccase-like nanozymes for identification of eleven halogenated phenolic pollutants over a wide concentration range
Year: 2025
Type: article
Language: en
Topic: Advanced Nanomaterials in Catalysis
Authors and affiliations:
raw_author_name: Qing Han
raw_affiliation_strings: Jilin Provincial Key Laboratory of Water Resources and Water Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
raw_author_name: Xixingchi Chen
raw_affiliation_strings: Jilin Provincial Key Laboratory of Water Resources and Water Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
raw_author_name: Hui Huang
raw_affiliation_strings: College of Food Science and Engineering, Jilin University, Changchun 130025, PR China
raw_author_name: Yongxin Li
raw_affiliation_strings: Jilin Provincial Key Laboratory of Water Resources and Water Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
Effect of water redistribution on the fracture of hydrogel in mechanochemical equilibrium state
Year: 2025
Type: article
Language: en
Topic: Hydrogels: synthesis, properties, applications
Authors and affiliations:
raw_author_name: Yan Yang
raw_affiliation_strings: State Key Laboratory for Strength and Vibration of Mechanical Structures. Department of Engineering Mechanics, Xi’an Jiaotong University, Xi’an 710049, China
raw_author_name: Qifang Zhang
raw_affiliation_strings: Sichuan Province Key Laboratory of Advanced Structural Materials Mechanical Behavior and Service Safety. School of Mechanics and Aerospace Engineering, Southwest Jiaotong University, Chengdu 611756, China
raw_author_name: Junjie Liu
raw_affiliation_strings: Sichuan Province Key Laboratory of Advanced Structural Materials Mechanical Behavior and Service Safety. School of Mechanics and Aerospace Engineering, Southwest Jiaotong University, Chengdu 611756, China
raw_author_name: Guozheng Kang
raw_affiliation_strings: Sichuan Province Key Laboratory of Advanced Structural Materials Mechanical Behavior and Service Safety. School of Mechanics and Aerospace Engineering, Southwest Jiaotong University, Chengdu 611756, China
raw_author_name: Tiejun Wang
raw_affiliation_strings: State Key Laboratory for Strength and Vibration of Mechanical Structures. Department of Engineering Mechanics, Xi’an Jiaotong University, Xi’an 710049, China
Penipolyphenols A-I from the deep-sea sediment-derived fungus penicillium brefeldianum XT05: Isolation, Structure elucidation and antioxidant bioassay
Year: 2025
Type: article
Language: en
Topic: Microbial Natural Products and Biosynthesis
Authors and affiliations:
raw_author_name: Jiafeng Lin
raw_affiliation_strings: College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
raw_author_name: Shuwen Wang
raw_affiliation_strings: College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
raw_author_name: Jiaqi Su
raw_affiliation_strings: Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
raw_author_name: Changle Fang
raw_affiliation_strings: College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
raw_author_name: Xiao Han
raw_affiliation_strings: College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
raw_author_name: Guoqiang Li
raw_affiliation_strings: Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
raw_author_name: Yuanyuan Feng
raw_affiliation_strings: School of Oceanography, Shanghai Jiao Tong University, Shanghai 200030, China
raw_author_name: Xianguo Li
raw_affiliation_strings: College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
raw_author_name: Dahai Zhang
raw_affiliation_strings: College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
Mitotic chromatin compaction tethers extrachromosomal DNA to chromosomes and prevents their mis-segregation into micronuclei
Year: 2025
Type: article
Language: en
Topic: Cancer Genomics and Diagnostics
Authors and affiliations:
raw_author_name: Lu M. Yang
raw_affiliation_strings: Department of Pathology, Stanford University School of Medicine, Stanford, California, USA. Electronic address: yanglum@stanford.edu
Self-assembling nanoscale platforms for curcumin delivery using cerebroprotein hydrolysate/crown ether/quaternary ammonium salts/phospholipid: pH-responsive release, in vivo targeting real-time monitoring and visualization analysis
Year: 2025
Type: article
Language: en
Topic: Curcumin's Biomedical Applications
Authors and affiliations:
raw_author_name: Pei Su
raw_affiliation_strings: School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
raw_author_name: Tiantian Chai
raw_affiliation_strings: School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
raw_author_name: Zhenning Wang
raw_affiliation_strings: School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
raw_author_name: Mengtong Zhang
raw_affiliation_strings: School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
raw_author_name: Chichong Lu
raw_affiliation_strings: Department of Chemistry, College of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China
raw_author_name: Guofan Jin
raw_affiliation_strings: School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
Nanoparticle size and composition of PdAu catalysts govern the structure and kinetics of H2O2 formation through O2 reduction
Year: 2025
Type: article
Language: en
Topic: Catalytic Processes in Materials Science
Authors and affiliations:
raw_author_name: Sucharita Vijayaraghavan
raw_affiliation_strings: School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, GA 30332, USA
raw_author_name: Conor Waldt
raw_affiliation_strings: Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
raw_author_name: Rajeev Kumar
raw_affiliation_strings: Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
raw_author_name: Nishchay Rathi
raw_affiliation_strings: School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, GA 30332, USA
raw_author_name: David Hibbitts
raw_affiliation_strings: Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
raw_author_name: David W. Flaherty
raw_affiliation_strings: School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, GA 30332, USA
Event-triggered control for T-S fuzzy multi-area cyber-physical power system under hybrid attacks
Year: 2025
Type: article
Language: en
Topic: Frequency Control in Power Systems
Authors and affiliations:
raw_author_name: Lei Fu
raw_affiliation_strings: Electronic Information Engineering College, Hebei University, Lianchi District, Baoding, 071002, China
raw_author_name: Shang Cui
raw_affiliation_strings: Electronic Information Engineering College, Hebei University, Lianchi District, Baoding, 071002, China
raw_author_name: Huilan Liu
raw_affiliation_strings: Hebei Provincial Key Laboratory of Power Transmission Equipment Security Defense, North China Electric Power University, Lianchi District, Baoding, 071002, China
Distribution of ambiant equivalent dose of gamma radiation in the cities of the Caucasian Mineral Waters Stavropol Region Russian Federation
Year: 2025
Type: article
Topic: Radioactivity and Radon Measurements
Authors and affiliations:
raw_author_name: E. A. Buraeva
raw_affiliation_strings: Research Institute of Physics, Southern Federal University
raw_author_name: V. A. Bobylev
raw_affiliation_strings: Research Institute of Physics, Southern Federal University
raw_author_name: I. V. Shishlov
raw_affiliation_strings: Faculty of Physics, Southern Federal University
raw_author_name: V. I. Ratushnyj
raw_affiliation_strings: Volgodonsk Engineering Technical Institute the branch of National Research Nuclear University «MEPhI»
N-linked glycosylation plays an essential role in the stability and function of tissue-nonspecific alkaline phosphatase
Year: 2025
Type: article
Language: en
Topic: Alkaline Phosphatase Research Studies
Authors and affiliations:
raw_author_name: Diana Atanasova
raw_affiliation_strings: Department of Clinical Chemistry, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
raw_author_name: Ali Saad Kusay
raw_affiliation_strings: Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
raw_author_name: Lavanya Moparthi
raw_affiliation_strings: Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Wallenberg Centre for Molecular Medicine, Linköping University, Linköping, Sweden
raw_author_name: Stefan Koch
raw_affiliation_strings: Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Wallenberg Centre for Molecular Medicine, Linköping University, Linköping, Sweden
raw_author_name: Mathias Haarhaus
raw_affiliation_strings: Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden; Diaverum Sweden AB, Malmö, Sweden
raw_author_name: Sonoko Narisawa
raw_affiliation_strings: Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
raw_author_name: José Luis Millán
raw_affiliation_strings: Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
raw_author_name: Eva Landberg
raw_affiliation_strings: Department of Clinical Chemistry, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
raw_author_name: Per Magnusson
raw_affiliation_strings: Department of Clinical Chemistry, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden. Electronic address: per.magnusson@regionostergotland.se
Enhancing distributed optimization: A PID-Based approach for unbalanced graphs with bounded disturbances
Year: 2025
Type: article
Language: en
Topic: Distributed Control Multi-Agent Systems
Authors and affiliations:
raw_author_name: Meng Tao
raw_affiliation_strings: School of Mathematics, Southeast University, Nanjing, 211189, China
raw_author_name: Yiheng Wei
raw_affiliation_strings: School of Mathematics, Southeast University, Nanjing, 211189, China
raw_author_name: Jinde Cao
raw_affiliation_strings: School of Mathematics, Southeast University, Nanjing, 211189, China
raw_author_name: Hanen Karamti
raw_affiliation_strings: Department of Computer Sciences, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, P.O.Box 84428, Riyadh, 11671, Saudi Arabia
raw_author_name: Mahmoud Abdel-Aty
raw_affiliation_strings: Deanship of Graduate Studies and Scientific Research, Ahlia University, Manama, 10878, Bahrain
Mathematics Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
The biosynthesis of N-acylated tryptazolone in Mycobacterium tuberculosis and related bacteria
Year: 2025
Type: article
Language: en
Topic: Microbial Natural Products and Biosynthesis
Authors and affiliations:
raw_author_name: Julia Kleetz
raw_affiliation_strings: Department of Microbiology & Immunology, Life Sciences Institute, The University of British Columbia, Vancouver, British Columbia, Canada
raw_author_name: Jason C. Grigg
raw_affiliation_strings: Department of Microbiology & Immunology, Life Sciences Institute, The University of British Columbia, Vancouver, British Columbia, Canada
raw_author_name: Adam A. Hassan
raw_affiliation_strings: Department of Microbiology & Immunology, Life Sciences Institute, The University of British Columbia, Vancouver, British Columbia, Canada
raw_author_name: Adriana Ibtisam
raw_affiliation_strings: Department of Microbiology & Immunology, Life Sciences Institute, The University of British Columbia, Vancouver, British Columbia, Canada
raw_author_name: Janine N. Copp
raw_affiliation_strings: Department of Microbiology & Immunology, Michael Smith Laboratories, The University of British Columbia, Vancouver, British Columbia, Canada
raw_author_name: Jennifer Lian
raw_affiliation_strings: Department of Microbiology & Immunology, Life Sciences Institute, The University of British Columbia, Vancouver, British Columbia, Canada
raw_author_name: Jie Liu
raw_affiliation_strings: Department of Microbiology & Immunology, Life Sciences Institute, The University of British Columbia, Vancouver, British Columbia, Canada
raw_author_name: Lindsay D. Eltis
raw_affiliation_strings: Department of Microbiology & Immunology, Life Sciences Institute, The University of British Columbia, Vancouver, British Columbia, Canada. Electronic address: leltis@mail.ubc.ca
Data-based iterative learning control for nonlinear systems subject to iteration-dependent durations
Year: 2025
Type: article
Language: en
Topic: Iterative Learning Control Systems
Authors and affiliations:
raw_author_name: Yuxin Wu
raw_affiliation_strings: National Key Laboratory of Autonomous Intelligent Unmanned Systems, School of Automation, Beijing Institute of Technology, Beijing 100081, PR China. Electronic address: wuyuxin@bit.edu.cn
raw_author_name: Deyuan Meng
raw_affiliation_strings: School of Automation Science and Electrical Engineering, Beihang University (BUAA), Beijing 100191, PR China; The Seventh Research Division, Beihang University (BUAA), Beijing 100191, PR China; State Key Laboratory of CNS/ATM, Beijing 100191, PR China. Electronic address: dymeng@buaa.edu.cn
raw_author_name: Jian Sun
raw_affiliation_strings: National Key Laboratory of Autonomous Intelligent Unmanned Systems, School of Automation, Beijing Institute of Technology, Beijing 100081, PR China; Beijing Institute of Technology Chongqing Innovation Center, Chongqing 401120, PR China. Electronic address: sunjian@bit.edu.cn
How Slovak Organisations Communicate the History of Digital Games: Analysis of Exhibitions
Year: 2025
Type: article
Topic: Digital Games and Media
Authors and affiliations:
raw_author_name: Adam Kysler
raw_affiliation_strings: University of Ss. Cyril and Methodius in Trnava
raw_author_name: Andrej Trnka
raw_affiliation_strings: University of Ss. Cyril and Methodius in Trnava
Metasomatized lithospheric mantle as a reservoir for recycled volatiles: Noble gas and oxygen isotope systematics in the East Sea
Year: 2025
Type: article
Language: en
Topic: Geological and Geochemical Analysis
Authors and affiliations:
raw_author_name: Wonhee Lee
raw_affiliation_strings: Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Cheongju, Chungcheongbuk-do 28119, the Republic of Korea
Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Ochang, Chungcheongbuk-do 28119, the Republic of Korea
School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, the Republic of Korea
raw_author_name: Donghwan Kim
raw_affiliation_strings: Atmosphere and Ocean Research Institute, University of Tokyo, Chiba 277-8564, Japan
School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, the Republic of Korea
raw_author_name: Jihye Oh
raw_affiliation_strings: Ocean Georesources Research Department, Korea Institute of Ocean Science and Technology, Busan 49111, the Republic of Korea
raw_author_name: Jonguk Kim
raw_affiliation_strings: Ocean Georesources Research Department, Korea Institute of Ocean Science and Technology, Busan 49111, the Republic of Korea
Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Cheongju, Chungcheongbuk-do 28119, the Republic of Korea
Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Ochang, Chungcheongbuk-do 28119, the Republic of Korea
raw_author_name: Chang Hwan Kim
raw_affiliation_strings: Dokdo Research Center, East Sea Research Institute, Korea Institute of Ocean Science and Technology, Uljin, Gyeongsangbuk-do 36315, the Republic of Korea
East Sea Research Institute, Korea Institute of Ocean Science and Technology, Uljin, Gyeongsangbuk-do 36315, the Republic of Korea
raw_author_name: Chan Hong Park
raw_affiliation_strings: Dokdo Research Center, East Sea Research Institute, Korea Institute of Ocean Science and Technology, Uljin, Gyeongsangbuk-do 36315, the Republic of Korea
East Sea Research Institute, Korea Institute of Ocean Science and Technology, Uljin, Gyeongsangbuk-do 36315, the Republic of Korea
raw_author_name: Jeongmin Kim
raw_affiliation_strings: Ocean Georesources Research Department, Korea Institute of Ocean Science and Technology, Busan 49111, the Republic of Korea
Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Cheongju, Chungcheongbuk-do 28119, the Republic of Korea
Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Ochang, Chungcheongbuk-do 28119, the Republic of Korea
raw_author_name: Yuyoung Lee
raw_affiliation_strings: Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Cheongju, Chungcheongbuk-do 28119, the Republic of Korea
Research Center of Earth and Environmental Sciences, Korea Basic Science Institute, Ochang, Chungcheongbuk-do 28119, the Republic of Korea
raw_author_name: Hyunwoo Lee
raw_affiliation_strings: School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, the Republic of Korea
RWKV-SKF: A recurrent architecture with state-space and frequency-domain filtering for dissolved oxygen predicting and revealing influencing mechanisms
Year: 2025
Type: article
Language: en
Topic: Oceanographic and Atmospheric Processes
Authors and affiliations:
raw_author_name: Peijian Zeng
raw_affiliation_strings: School of Computer Science and Technology, Guangdong University of Technology, Guangzhou 510006, China
raw_author_name: Xingming Liao
raw_affiliation_strings: School of Computer Science and Technology, Guangdong University of Technology, Guangzhou 510006, China
raw_author_name: Jianhui Xu
raw_affiliation_strings: Key Laboratory of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application, GuangDong Engineering Technology Research Center of Remote Sensing Big Data Application, Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou 510070, China
raw_author_name: Shuisen Chen
raw_affiliation_strings: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Key Laboratory of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application, GuangDong Engineering Technology Research Center of Remote Sensing Big Data Application, Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou 510070, China
University of Chinese Academy of Sciences, Beijing 100049, China
raw_author_name: Zhuowei Wang
raw_affiliation_strings: School of Computer Science and Technology, Guangdong University of Technology, Guangzhou 510006, China
raw_author_name: Aimin Yang
raw_affiliation_strings: School of Computer Science and Intelligence Education, Lingnan Normal University, Zhanjiang 524048, China
School of Computer Science and Technology, Guangdong University of Technology, Guangzhou 510006, China
raw_author_name: Xingda Chen
raw_affiliation_strings: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Key Laboratory of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application, GuangDong Engineering Technology Research Center of Remote Sensing Big Data Application, Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou 510070, China
University of Chinese Academy of Sciences, Beijing 100049, China
Coexistence of three types of Bigeminy with different natures
Year: 2025
Type: article
Language: en
Topic: Cardiac electrophysiology and arrhythmias
Authors and affiliations:
raw_author_name: Xingjie Li
raw_affiliation_strings: Department of Electrocardiogram Room, Jining No.1 People's Hospital, Jining, Shandong, China. Electronic address: lxj0304@163.com
raw_author_name: Yong Hu
raw_affiliation_strings: Department of Electrocardiogram Room, Jining No.1 People's Hospital, Jining, Shandong, China
Cultural Realities of Digital Games in the Context of Historical and Ideological Meanings
Year: 2025
Type: article
Topic: Digital Games and Media
Authors and affiliations:
raw_author_name: Monika Cihlářová
raw_affiliation_strings: University of Ss. Cyril and Methodius in Trnava
raw_author_name: Hana Pravdová
raw_affiliation_strings: University of Ss. Cyril and Methodius in Trnava