检索结果-南通市图书馆

Chinese Physics B 2024年第6期33卷 405-411页

作者：张化远 Kazuhei Wakiya Mitsuteru Nakamura Masahito Yoshizawa Yoshiki Nakanish Graduate School of Science and Engineering Iwate UniversityMorioka 020-8551Japan

We performed ultrasonic measurements on a quaternary cubic compound PrRu_(2)In_(2)Zn_(18) to explore the ground state properties derived from non-Kramers Γ_(3) doublet of Pr^(3+).PrRu_(2)In_(2)Zn_(18) is a quaternary derivative of the ternary compound PrRu_(2)Zn_(20) that exhibits a structural phase transition at T_S=138 *** PrRu_(2)In_(2)Zn_(18),the Zn atoms at the 16c site in PrRu_(2)Zn_(20) are selectively replaced by In atoms.A monotonic increase was observed in the temperature dependence of elastic constants C_L=(C_(11)+2C_(12)+4C_(44))/3 and C_(T)=(C_(11)-C_(12)+C_(44))/3 in the temperature range around T_(S) to which an elastic softening was observed in(C_(11)-C_(12))/2 for PrRu_(2)Zn_(20).The disappearance of the softening indicates that the structural transition in PrRu_(2)Zn_(20) is suppressed by the substitution of Zn ions by In ones with a larger ionic ***,the C_(T) of PrRu_(2)In_(2)Zn_(18) exhibits a precursor Curie-type elastic softening toward low temperatures being responsible for the non-Kramers Γ_(3) ground *** discuss the ground state and the evolution of the elastic properties of the different single-crystal samples of PrRu_(2)In_(2)Zn_(18) grown under different conditions.

关键词： ultrasonic measurements non-Kramers doublet structural phase transition crystalline electric field effect

Formation and Properties of Organic Long Persistent Luminescence Crystals Containing Benzidine Derivatives by Melt Crystallization

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Advances in Chemical Engineering and Science 2024年第1期14卷 1-7页

作者： Norihito Doki Kiyoka Maruyama Masaaki Yokota Department of Chemistry and Bioengineering Faculty of Engineering Iwate University Morioka Japan

Organic molecules that exhibit long persistent luminescence (LPL) are rapidly gaining attention for a variety of applications. In this study, organic molecules with simple structures were selected and organic long persistent luminescence (OLPL) crystals were prepared. The crystal structure of the prepared OLPL crystal was elucidated and the guideline for the design of OLPL crystal was clarified. LPL was observed in OLPL crystals prepared with TMB as the guest molecule and 1,2-bis(diphenylphosphino)ethane as the host molecule. XRD measurements of the OLPL crystals suggest that the guest molecule is a solid solution substituted in the stable crystal structure of the host molecule in a lattice-shrinking direction.

关键词： Melt Crystallization Host-Guest Chemistry

The Role of Jasmonates as Antibulbing Substances in the Bulb Formation of Onion

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Agricultural Biotechnology 2024年第1期13卷 1-4,8页

作者： Noboru Takada Atsushi Saito Yuuki Matsuzuka Tatsushi Mochiduki Eriko Wakita Meng WANG Yasunori Koda Faculty of Agriculture and Life Science Hirosaki University3Bunkyo-choHirosaki 036-8561Japan The United Graduate School of Agricultural Science Iwate UniversityMoriokaIwate 020-8550Japan National Institute of Vegitable and Tea Science National Agriculture and Food Research Organization360 KusawaAnoTsu 514-2392Japan Research Faculty of Agriculture Hokkaido UniversityKita-9 Nishi-9Kita-kuSapporo 060-8589Japan

Onion plants form spherical bulbs under long-day *** regulating bulb formation remain *** the course of chemical studies on the bulb formation,α-linolenic acid was isolated from onion extracts as an antibulbing substance,the amount of which was synchronized with the bulb *** allene oxide synthase inhibitor canceled the antibulbing activity ofα-linolenic acid,it was disclosed that jasmonic acid concerns this ***-activity-relationship study revealed that its(3R,7S)stereochemistry is necessary for showing its antibulbing *** is concluded that(3R,7S)-jasmonate derived fromα-linolenic acid actually participates in the regulation of bulb formation.

关键词： Onion(Allim cepa L.cv.Higuma) Isolation Bulb formation Antibulbing substance α-Linolenic acid Methyl jasmonate

Effects of flash-boil shucking on biochemical,sensorial and ultrastructural properties of Yesso Scallop(Mizuhopecten yessoensis)adductor muscle during refrigeration

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Food Quality and Safety 2023年第3期7卷 456-465页

作者： Yabin Niu Shiliang Dong Nobuyoshi Wada Huamao Wei Tetsuro Yamashita Koichi Takaki Chunhong Yuan United Graduate School of Agricultural Sciences Iwate UniversityUedaMoriokaIwateJapan Faculty of Agriculture Iwate UniversityUedaMoriokaIwateJapan College of Food and Pharmaceutical Sciences Ningbo UniversityNingboChina Faculty of Science and Engineering Iwate UniversityUedaMoriokaIwateJapan Agri-Innovation Center Iwate UniversityUedaMoriokaIwateJapan

Scallop adductor muscle has great popularity for raw consumption in Japan,but conventionally shucking live scallops with high vitality by knife requires skill and is ***-boil shucking is a convenient shucking method in sushi restaurants for live ***,the effects of this treatment on the quality of its main edible part,the adductor muscle,are not *** study was conducted to investigate the impact of flash-boil shucking on the quality of raw-edible scallop adductor muscle,focusing on flavor-enhancing components and *** treatment could contribute to the formation of flavor-enhancing nucleotides in the external layer of the adductor *** monophosphate content increased with the boiling time,which significantly increased to 1.47±0.42μmol/g in the 30 s-boiled group compared with 0.38±0.13μmol/g in the control group(p<0.05).The rapid adenosine monophosphate accumulation after boiling resulted in a faster accumulation of inosine and hypoxanthine during subsequent refrigeration,which could bring bitterness to aquatic ***-boil shucking had no discernible effect on the proportion of free amino acids relevant to the flavor of scallop adductor muscle,despite the possibility of a reduction in total free amino *** external layer of the scallop adductor muscle could be hardened after flash-boil *** the ultrastructural level,muscle fibers tend to aggregate transversely and contract longitudinally depending on the heating ***-boil shucking is ideal for consuming the raw-edible scallop adductor muscle ***-boil shucking treatment is recommended for households,restaurants,and small factories for treating scallops with high vitality.

关键词： Shellfish flash-boil shucking flavor-enhancing components ultrastructure sensory evaluation

Effect of super-chilling storage on maintenance of quality and freshness of the Pacific oyster(Crassostrea gigas)

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Food Quality and Safety 2023年第2期7卷 217-225页

作者： Shiliang Dong Yabin Niu Huamao Wei Yumeng Lin Xin Lu Tetsuro Yamashita Kefeng Yu Koichi Takaki Chunhong Yuan United Graduate School of Agricultural Sciences lwate UniversityMoriokaIwateJapan College of Food and Pharmaceutical Sciences Ningbo UniversityNingboChina Facultyof Science and Engineering Iwate UniversityMoriokaJapan Faculty of Agriculture lwate UniversityMoriokalwateJapan Agri-Innovation Center lwate UniversityMoriokaIwateJapan

The quality changes of shelled Pacific oysters(Crassostrea gigas)were examined in relation to the effects of superchilling storage at-1 C for 28 d by measuring changes in biochemical properties(microbial analysis,adenosine triphosphate(ATP)-related compounds,pH,free amino acids)and sensory evaluations in this *** results indicated that microorganism growth was significantly inhibited during superchilling *** diphosphate(ADP)and adenosine monophosphate(AMP)accumulated while ATP rapidly decreased in the adductor *** and ADP were the primary components in the other 3 tissues including mantle,gill,and body trunk of oysters,and they remained relatively stable over *** pH and adenylate energy charge in the adductor muscle could be utilized as freshness indicators for shelled ***,there were no significant differences(P>0.05)among the free amino acids during whole *** to the sensory evalu-ations,oysters could be alive and tolerated up to 21 d at-1℃*** study demonstrated that superchilling storage at-1℃could better maintain the eating quality of shelled oysters and the shelf life was extended to 21 d.

关键词： Shelled oyster superchilling ATP-related compounds sensory evaluations shelf life

Identification of telomere maintenance gene variations related to lung adenocarcinoma risk by genome-wide association and whole genome sequencing analyses

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Cancer Communications 2024年第2期44卷 287-293页

作者： Kouya Shiraishi Atsushi Takahashi Yukihide Momozawa Yataro Daigo Syuzo Kaneko Takahisa Kawaguchi Hideo Kunitoh Shingo Matsumoto Hidehito Horinouchi Akiteru Goto Takayuki Honda Kimihiro Shimizu Masahiro Torasawa Daisuke Takayanagi Motonobu Saito Akira Saito Yuichiro Ohe Shun-ichi Watanabe Koichi Goto Masahiro Tsuboi Katsuya Tsuchihara Sadaaki Takata Tomomi Aoi Atsushi Takano Masashi Kobayashi Yohei Miyagi Kazumi Tanaka Hiroyuki Suzuki Daichi Maeda Takumi Yamaura Maiko Matsuda Yoko Shimada Takaaki Mizuno Hiromi Sakamoto Teruhiko Yoshida Yasushi Goto Tatsuya Yoshida Taiki Yamaji Makoto Sonobe Shinichi Toyooka Kazue Yoneda Katsuhiro Masago Fumihiro Tanaka Megumi Hara Nobuo Fuse Satoshi S.Nishizuka Noriko Motoi Norie Sawada Yuichiro Nishida Kazuki Kumada Kenji Takeuchi Kozo Tanno Yasushi Yatabe Kuniko Sunami Tomoyuki Hishida Yasunari Miyazaki Hidemi Ito Mitsuhiro Amemiya Hirohiko Totsuka Haruhiko Nakayama Tomoyuki Yokose Kazuyoshi Ishigaki Toshiteru Nagashima Yoichi Ohtaki Kazuhiro Imai Ken Takasawa Yoshihiro Minamiya Kazuma Kobayashi Kenichi Okubo Kenji Wakai Atsushi Shimizu Masayuki Yamamoto Motoki Iwasaki Koichi Matsuda Johji Inazawa Yuichi Shiraishi Hiroyoshi Nishikawa Yoshinori Murakami Michiaki Kubo Fumihiko Matsuda Yoichiro Kamatani Ryuji Hamamoto Keitaro Matsuo Takashi Kohno Division of Genome Biology National Cancer Center Research InstituteTokyoJapan Department of Clinical Genomics National Cancer Center Research InstituteTokyoJapan Laboratory for Statistical Analysis Center for Integrative Medical SciencesRIKENYokohamaJapan Department of Genomic Medicine Research InstituteNational Cerebral and Cardiovascular CenterOsakaJapan Laboratory for Genotyping Development Center for Integrative Medical SciencesRIKENYokohamaJapan Center for Antibody and Vaccine Therapy Research HospitalInstitute of Medical ScienceThe University of TokyoTokyoJapan Department of Medical Oncology and Cancer Center and Center for Advanced Medicine against CancerShiga University of Medical ScienceOtsuJapan Division of Medical AI Research and Development National Cancer Center Research InstituteTokyoJapan Center for Genomic Medicine Graduate School of MedicineKyoto UniversityKyotoJapan Department of Medical Oncology Japanese Red Cross Medical CenterTokyoJapan Department of Thoracic Oncology National Cancer Center Hospital EastJapan Department of Thoracic Oncology National Cancer Center HospitalTokyoJapan Department of Cellular and Organ Pathology Graduate School of MedicineAkita UniversityAkitaJapan Department of Respiratory Medicine Tokyo Medical and Dental UniversityBunkyo-kuTokyoJapan Division of General Thoracic Surgery Department of SurgeryShinshu University School of MedicineMatsumotoNaganoJapan Department of General Surgical Science Division of General Thoracic SurgeryGunma University Graduate School of MedicineIntegrative Center of General SurgeryGunma University HospitalGunmaJapan Department of Gastrointestinal Tract Surgery Fukushima Medical University School of MedicineFukushimaJapan StaGen Co. LtdTokyoJapan Division of Thoracic Surgery National Cancer Center HospitalTokyoJapan Department of Thoracic Surgery National Cancer Center Hospital EastChibaJapan Division of Translational Informatics Exploratory Oncology Research and Clinical Trial Center(EPOC

Dear editor,Lung carcinoma is responsible for the highest fatal-ity rate among cancer-related deaths globally,with lung adenocarcinoma(LADC)emerging as the prevailing sub-type.

关键词： adenocarcinoma lung Lung

PMSSC:Parallelizable multi-subset based self-expressive model for subspace clustering

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computational Visual Media 2023年第3期9卷 479-494页

作者： Katsuya Hotta Takuya Akashi Shogo Tokai Chao Zhang Department of Engineering University of FukuiFukui-shi 910-8507Japan Faculty of Science and Engineering Iwate UniversityMorioka-shi 020-8551Japan

Subspace clustering methods which embrace a self-expressive model that represents each data point as a linear combination of other data points in the dataset provide powerful unsupervised learning ***,when dealing with large datasets,representation of each data point by referring to all data points via a dictionary suffers from high computational *** alleviate this issue,we introduce a parallelizable multi-subset based self-expressive model(PMS)which represents each data point by combining multiple subsets,with each consisting of only a small proportion of the *** adoption of PMS in subspace clustering(PMSSC)leads to computational advantages because the optimization problems decomposed over each subset are small,and can be solved efficiently in ***,PMSSC is able to combine multiple self-expressive coefficient vectors obtained from subsets,which contributes to an improvement in *** experiments on synthetic and real-world datasets show the efficiency and effectiveness of our approach in comparison to other methods.

关键词： subspace clustering self-expressive model big data subsetting

Appropriate leucine-richα-2 glycoprotein cut-off value for Japanese patients with ulcerative colitis

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Cases 2023年第32期11卷 7753-7760页

作者： Masanao Yamazato Shunichi Yanai Tomofumi Oizumi Makoto Eizuka Shun Yamada Yosuke Toya Noriyuki Uesugi Tamotsu Sugai Takayuki Matsumoto Division of Gastroenterology and Hepatology Department of Internal MedicineIwate Medical UniversityYahaba 028-3695Japan Division of Molecular Diagnostic Pathology Iwate Medical UniversityYahaba 028-3695Japan

BACKGROUND It has been suggested that serum leucine-richα-2 glycoprotein(LRG)could be a novel monitoring biomarker for the assessment of disease activity in inflammatory bowel *** particular,the relationship between LRG levels and the endoscopically assessed activity of ulcerative colitis(UC)has become a matter of *** To clarify appropriate LRG cut-off values for the prediction of endoscopic and histologic remission in Japanese patients with *** This was a cross-sectional,single-center,observational study of Japanese patients with *** 213 patients with UC,in whom LRG was measured from September 2020 to February 2022,we recruited 30 patients for whom a total colonoscopy and measurements of LRG and C-reactive protein(CRP)were performed on the same *** retrospectively analyzed correlations between the LRG and CRP levels and endoscopic indices,including the Mayo endoscopic subscore and UC endoscopic index of *** Correlations between the LRG values and the Mayo endoscopic subscore or UC endoscopic index of severity were significant(r=0.754,P<0.0001;r=0.778,P<0.0001,respectively).There were also significant correlations between CRP levels and Mayo endoscopic subscore or UC endoscopic index of severity(r=0.599,P=0.0005;r=0.563,P=0.0012,respectively),although the correlation coefficients were higher for *** LRG cutoff value for predicting endoscopic remission was 13.4μg/mL for a Mayo endoscopic subscore of 0[area under the curve(AUC):0.871;95%confidence interval(CI):0.744-0.998],and 13.4μg/mL for an UC endoscopic index of severity of 0 or 1(AUC:0.904;95%CI:0.792-1.000).CONCLUSION LRG may be a surrogate marker for endoscopic activity in UC,with a cut-off value of around 13.4μg/mL for endoscopically inactive disease.

关键词： Ulcerative colitis Leucine-rich alpha-2 glycoprotein C-reactive protein Japanese patients

Characteristics of Tantalum Surface Treated by 6-Triethoxysilylpropylamino-1,3,5-Triazine-2,4-Dithiol Using XPS

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

稀有金属材料与工程 2012年第S1期41卷 33-37页

作者： Hirahara Hidetoshi Aisawa Sumio Narita Eiichi Mori Katuhito Graduate School of Engineering Iwate UniversityMoriokaIwate 0208551Japan

The characteristic of material surfaces has a vital status in its application,for instance,surface properties of materials play a decisive role in adhesion technology between different materials.A method called molecule adhesion technology which can successfully adhere different materials such as polymers,rubbers,metals and exhibit strong adhesion strength without any adhesive *** this work,the rare metal of tantalum surface treated by corona and a molecular adhesive(6-triethoxysilylpropylamino1,3,5-triazine-2,4-dithiols,TES)has been investigated to clarify the reaction mechanism between tantalum and *** structures of surfaces treated by corona and TES were also *** contains two functional groups:one is alkoxysilyl group which can react with the OH group linked tantalum formed by the corona discharge treatment;the other is dithiol triazinyl group reacted with many other *** tantalum,corona treated and TES treated surfaces situation were analyzed by X-ray photoelectron spectroscopy(XPS).The result shows that the functional structure of OH groups was formed after corona discharge process and TES can be successfully reacted on the tantalum *** research can be as a preparation work to achieve the tantalum and other materials adhesion by using molecule adhesion technology in the MEMS and NEMS electronic device fields.

关键词： tantalum surface functional structure XPS adhesion

Assessing the supercooling of fresh-cut onions at−5℃ using electrical impedance analysis

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Food Quality and Safety 2020年第2期4卷 55-58页

作者： Shoji Koide Ami Yoneyama Takahiro Orikasa Matsuo Uemura Faculty of Agriculture Iwate UniversityMoriokaJapan iwate Agri-Innovation Center Iwate UniversityMoriokaJapan

We supercooled fresh-cut onion at−5℃ for 12 *** supercooling,the electric impedance properties of the samples were evaluated by electrical impedance spectroscopy over the frequency range of 42 Hz−5 *** time-temperature profiles of samples indicated that the freezing point and supercooling point were−2.3℃±0.7℃ and−6.9℃±1.0℃,*** results indicated that 34 of the 36 supercooled samples exhibited a definite circular arc in the Cole-Cole plot,which suggested that the cell membrane remained intact during *** the other two samples which did not exhibit a definite circular arc,the cell membrane had sustained serious damage during ***,there was large difference in drip loss percentage between supercooled samples exhibited a definite circular arc in the Cole-Cole plot and samples not exhibiting a definite circular *** results suggest that fresh-cut onions can be supercooled at−5℃.

关键词： supercooling fresh-cut onion electrical impedance Cole-Cole plot supercooling point