Yuhi Takagi

ORCID: 0000-0003-0346-0611
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About
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Research Areas
  • Chemical Synthesis and Analysis
  • Renal Diseases and Glomerulopathies
  • Asymmetric Hydrogenation and Catalysis
  • Infectious Disease Case Reports and Treatments
  • Autoimmune and Inflammatory Disorders Research
  • Nanomaterials for catalytic reactions
  • Eosinophilic Esophagitis
  • Synthesis and Biological Evaluation
  • Vasculitis and related conditions
  • Catalysis and Hydrodesulfurization Studies
  • Actinomycetales infections and treatment
  • Pediatric Urology and Nephrology Studies
  • Urinary Tract Infections Management
  • Chemical Synthesis and Reactions
  • Vehicle Noise and Vibration Control
  • Structural and Chemical Analysis of Organic and Inorganic Compounds
  • Infectious Diseases and Mycology
  • Viral-associated cancers and disorders
  • Advanced Synthetic Organic Chemistry
  • Infective Endocarditis Diagnosis and Management
  • Complement system in diseases
  • Phenothiazines and Benzothiazines Synthesis and Activities
  • Chemical Reactions and Mechanisms
  • Dental Anxiety and Anesthesia Techniques
  • Skin and Cellular Biology Research

Dokkyo Medical University
2018-2025

Tokyo University of Science
1980-2020

Kao Corporation (Japan)
2002-2013

Nihon University
1983-2004

Bridge University
2004

Senju Pharmaceutical (Japan)
2002

Josai University
1978

Saitama Prefecture
1978

Thermal stability of the circuit boards with a quad flat package (QFP) soldered Sn-58wt%Bi-(0, 0.5 and 1.0) wt% Ag their microstructural features were evaluated. The addition 1.0 causes formation large primary Ag/sub 3/Sn precipitates in solder while no is found Sn-57Bi-0.5Ag. Thermo-Calc calculation indicates that lowest limit content for about 0.8 wt%. Heat-exposure below 100/spl deg/C has serious degradation on joint structure all solders. at 125/spl caused strength alloys. contamination...

10.1109/tepm.2002.807718 article EN IEEE Transactions on Electronics Packaging Manufacturing 2002-10-01

Although the physiological characteristics of vulvar skin have been characterized in Caucasians, little is known about Asian women. This study assessed moisture content, transepidermal water loss (TEWL) and pH 99 healthy women residing Bangkok, aged 20-69 years, during their non-menstrual period, including 39 post-menopausal Skin was acidic at all sites, areas significantly higher than control sites (inner thigh, inner forearm). slightly, but significantly, lower around area thigh forearm....

10.2340/00015555-1534 article EN Acta Dermato Venereologica 2013-01-01

Contrast-enhanced CT is the gold standard for diagnosis of acute focal bacterial nephritis (AFBN). However, owing to radiation exposure and possibility contrast agent-induced side effects, contrast-enhanced not always recommended children. A paediatric patient presenting with a 1-week history fever was admitted our hospital. After urine culture detected Escherichia coli , antimicrobials were administered; however, had resolved by third day hospitalisation. Renal diffusion-weighted MRI...

10.1136/bcr-2023-257459 article EN BMJ Case Reports 2023-12-01

The concept of infection-related glomerulonephritis (IRGN) has been introduced as adults diagnosed with often have coexisting active infections. Furthermore, IgA-dominant IRGN is associated staphylococcal infections in comorbidities, which progress to end-stage renal disease. Little known about children, and no consensus for a management strategy this condition reached. We describe the case 9-year-old boy that was using specific staining nephritis-associated plasmin receptor (NAPlr)/plasmin...

10.1620/tjem.2024.j018 article EN The Tohoku Journal of Experimental Medicine 2024-01-01

Abstract A 1-year-and-3-month-old girl was admitted to our hospital after an initial episode of peritoneal dialysis-related peritonitis (PDRP) following a broken Tenckhoff catheter. On the 10th day treatment, 16S rRNA gene sequencing patient’s isolates and comparative sequence identity analyses revealed bacterium responsible for as Gordonia sputi . An antimicrobial agent (ampicillin) selected based on minimum inhibitory concentration, treatment course spanning 3 weeks, no recurrence...

10.21203/rs.3.rs-4084413/v1 preprint EN cc-by Research Square (Research Square) 2024-03-21

The influence of acoustic characteristics in-flight noise on airplane operations and sound impression has been investigated through objective subjective measure including the flight simulation. authors verified conditions seven conditions, in which pressure levels frequency them were parametrically changed, using shortterm Resultantly, change did not greatly affect operation accuracy although clearly affected impressions. On other hand, it suggested that only impressions but also accuracy.

10.3397/1/376811 article EN Noise Control Engineering Journal 2020-03-20

ABSTRACT Takayasu arteritis (TAK) is classified as large vessel vasculitis, and continuous inflammation of the results in aneurysm or stenosis, which leads to various serious complications. Recently, a TAKT [TAK treated with tocilizumab (TCZ)] study showed that subcutaneous TCZ, humanised anti-interleukin-6 receptor monoclonal antibody, an effective treatment patients TAK above 12 years age; however, effectiveness TCZ for juvenile under old remains unclear. Here, we described case 2-year-old...

10.1093/mrcr/rxac068 article EN Modern Rheumatology Case Reports 2022-08-26

Abstract 2‐Trimethylsilylmethyl‐pyridin (I) reagiert mit den Nitrilen (II) über diskutierte Zwischenstufen zu Pyridylmethyl‐arylketonen (III).

10.1002/chin.198041213 article DE Chemischer Informationsdienst 1980-10-14

This research aims at a seismic response control method for building structures arranged in parallel. The adapting semi-active is to use the connected one. MR damper as variable damping device used. In this research, model created using reduced order physics modeling method. It extends system based on state feedback system. paper presents two designing methods semi active controller with Genetic Algorithm and LQ theory. simulation of wave input performed. result demonstrate availability...

10.1299/jsmekanto.2004.10.225 article EN The Proceedings of Conference of Kanto Branch 2004-01-01

8-10遷移金属 (白金族金属) 触媒上で2-, 3-および5-ノナノンの還元アミノ化を検討した. 2-ノナノンでは, Raney Niの場合を除き主生成物は第一級アミンで, 先に報告したノナナールの場合と異なり, 第三級アミンの生成は全く認められず, また第二級アミンがわずか生成したPt, Ir触媒以外, Pd, Ru, Rh, Ni, Co触媒上では第二級アミンの生成は認められなかった. しかし, Ir以外の触媒上では, ノナナールの場合に比べて相当するアルコールが多く生成し, 特にRaney Niではアルコールの生成が54%と, 第一級アミンよりもむしろ多く生成した. PdとRh触媒ではアルコールは生成せず, 第一級アミンがそれぞれ100および98%の高選択率で生成した. 酢酸アンモニウムを添加すると触媒により反応率は若干低下したが, 第二級アミンやアルコールの生成が抑制され, 第一級アミン生成の選択率が増大した. NiとRaney Coではアルコールの生成が完全に抑制され, それぞれ100および98%の収率で第一級アミンが得られた....

10.1246/nikkashi.1998.525 article EN NIPPON KAGAKU KAISHI 1998-01-01
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