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Production of chitosan-based composite film reinforced with lignin-rich lignocellulose nanofibers from rice husk

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Journal of Bioresources and Bioproducts 2024年第2期9卷 174-184页

作者： Hye jee Kang yeon Ju Lee Jin Kyoung Lee Irnia Nurika Sri Suhartini Deokyeong Choe Dong Hyun Kim Hoon Choi Natasha P.Murphy Ho Yong Kim Young Hoon Jung School of Food Science and Biotechnology Kyungpook National UniversityDaegu 41566Republic of Korea CPR S&T Co. Ltd.Gunpo 15880Republic of Korea Department of Agroindustrial Technology Faculty of Agricultural TechnologyUniversitas BrawijayaMalang 65145Indonesia Renewable Resources and Enabling Sciences Center National Renewable Energy LaboratoryGoldenCO 80401United States Center for Bio-based Chemistry Korea Research Institute of Chemical TechnologyUlsan 44429Republic of Korea

Lignocellulosic nanofibers(LCNFs),implying lignin-containing cellulose fibers,maintain the prop-erties of both lignin and cellulose,which are hydrophobic and hydrophilic,*** pres-ence of hydrophobic lignin in LCNFs is expected to be an economical and attractive option that can improve the thermal and mechanical properties of ***,this study was conducted to produce lignin-rich LCNFs from sugar-rich waste obtained from rice husks after acidic *** LCNFs were produced from the lignin-rich solid fractions obtained after pretreatment and enzymatic hydrolysis,which were then incorporated as an additive into a chitosan-based *** variations in lignin content in the range of approximately 50.6%-66.8%in differently obtained LCNFs gave significantly different optical strengths and mechanical *** controllable processes may allow for customized film ***,the glucose-rich liquid fractions obtained after pretreatment and enzymatic hydrolysis were used as a substrate for ethanol fermentation to achieve total utilization of rice husk biomass *** conclusion,the lignin-rich biomass fraction holds promise as a suitable material for chitosan-LCNF film and has the potential to increase the economic feasibility of the biomaterial industry.

关键词： Rice husk Lignocellulose nanofiber Lignin-based material Chitosan film Upcycling

Investigating ischemia and reperfusion-induced organ damage in severe cardiac arrest:A comprehensive proteomics perspective

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Journal of Pharmaceutical Analysis 2024年第3期14卷 427-430页

作者： Ju yeon Lee Muhammad Shoaib Jin-Woong Choi Rishabh C.Choudhary Tai Yin Nara Yoon Kei Hayashida Seunguk J.baek Santiago J.Miyara Lance B.Becker Junhwan Kim Research Center of Bioconvergence Analysis Korea Basic Science InstituteCheongjuSouth Korea Bio-Analytical Science University of Science and TechnologyCheongjuSouth Korea Laboratory for Critical Care Physiology Feinstein Institutes for Medical ResearchManhassetNY11030USA Donald and Barbara Zucker School of Medicine at Hofstra/Northwell School of Medicine HempsteadNY11549USA Mathematics and Computer Science Adelphi UniversityGarden CityNY11530USA Department of Emergency Medicine North Shore University HospitalManhassetNY11030USA

Cardiac arrest(CA)is a life-threatening condition with complex pathophysiology and limited treatment *** gain deeper insights into the pathological state of vital organs,we employed a proteomics analysis in rodents to assess proteome alterations in the brain,heart,kidney,and liver using a rat model of *** brain displayed severe protein alterations in essential cellular pathways,including three major energy-generating pathways after CA,which worsened after resuscitation,resulting in the most significant overall protein changes among the ***,the liver,experiencing the most substantial protein alterations post-CA,demonstrated significant recovery,presenting the least protein changes post-resuscitation.

关键词： alterations organs damage

Aluminum doping for optimization of ultrathin and high-k dielectric layer based on SrTiO3

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Journal of Materials Science & Technology 2020年第7期42卷 28-37页

作者： Ji-Ye baek Le Thai Duy Sang yeon Lee Hyungtak Seo Department of Energy Systems Research Ajou UniversitySuwon 443-749South Kore Department of Materials Science and Engineering Ajou UniversitySuwon 443-749South Korea

An ultrathin SrTiO3 dielectric layer is optimized through Al doping to solve the problems existing in development of ultra-high-k oxide MOS *** post-deposition annealing,Al doping induces changes in the electronic structure of SrTiO3,thereby effectively reducing leakage current to 80) of ultrathin SrTMO3 MOS *** titanate(SrTiO3) is a high-k material but its bandgap is smaller than that of other oxide dielectrics(e.g.,SiO2,Al2 O3).Consequently,an ultrathin SrTiO3 film may have a high tunneling leakage current,which is not suitable for capacitor-based *** improve the performance of metal-oxide-semiconductor(MOS) capacitors using SrTiO3,an approach based on homogenous and uniform aluminum doping to SrTiO3 through co-sputtering is *** bandgap of a pristine SrTiO3 film showed an increase of 0.5 eV after Al ***,Al doping decreased the leakage current of SrTiO3/Si-based MOS capacitors by more than five orders of magnitude(at the level of nanoampere per square centimeter).Importantly,a dielectric constant of 81.3 and equivalent oxide thickness less than 5 A were achieved in an 8-nm-thick Al-doped SrTiO3 film owing to changes in its crystal structure and conduction band edge electronic ***,the obtained data show the effectiveness of the proposed approach for solving the problems existing in the development of ultra-high-k oxide MOS capacitors.

关键词： Aluminum doping SrTiO3 ultrathin High dielectric constant MOS capacitors

Survival analysis following early surgical success in intermittent exotropia surgery

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International Journal of Ophthalmology(English edition) 2014年第3期7卷 528-533页

作者： Joo yeon Lee Sung Ju Ko Sung Uk baek Department of Ophthalmology Hallym University College of Medicine

AIM:To assess the consecutive recurrence following early success of intermittent exotropia surgery and to determine the clinical factors that affect the ***:One hundred and thirty-five patients who underwent intermittent exotropia surgery and experienced early surgical success[≤5 prism diopters(PD)esophoria(E)to≤10 PD exophoria(X)on the postoperative sixth month]were enrolled in this *** consecutive survival on the postoperative first year,second year and third year and at the last visit of fourth year or more,and the factors that might affect their survival,were *** final surgical outcomes after the postoperative fourth year were also investigated by dividing the patients into the success group(≤5 PD E to≤10 PD X)and the failure group(>5 PD esodeviation or>10 PD exodeviation)RESULTS:The survival rates from the Kaplan-Meier analysis were 97.78%,92.89%,83.70%and 50.49%on the postoperative first,second and third years and fourth year or more,*** of the clinical factors was determined to have affected the *** amount of the exodrift was largest(2.29 PD)between the first year and the second year,and smallest(1.47 PD)between the fourth year and the last ***-three patients had their final visit after the postoperative fourth year,and 29 of them were in the failure *** patients in the failure group had an intermittent exotropia(IXT)of<20 PD with good to fair distant fusion;two had an IXT of<20 PD with poor distant fusion;one had an IXT of≥20 PD with fair distant fusion;and another had delayed-onset consecutive *** exodeviation on the postoperative sixth month was smaller in the success group than in the failure group(2.81 PD vs 5.86 PD,P=0.012).The reoperation rate for recurrent IXT was 3.7%.CONCLUSION:The survival rate steadily decreases with the exodrift,but the amount of the exodrift decreases with long-term *** final outcomes demonstrate favorable results via surgic

关键词： long-term outcome survival analysis intermittent exotropia surgery

Recurrent abducens nerve palsy with optic perineuritis

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International Journal of Ophthalmology(English edition) 2012年第2期5卷 249-250页

作者： Joo yeon Kim Seung-Hee baek Ungsoo Samuel Kim Department of Ophthalmology Kim's Eye Hospital Konyang University College of Medicine Seoul Korea

Dear Sir, I am Joo yeon Kim, from the department of Ophthalmology of Kim’s Eye Hospital in Seoul, Korea. I write to present a case report of recurrent abducens nerve palsy with optic perineuritis Abducens nerve palsy is associated with trauma, viral infection or inoculation, central nervous system tumors, elevated intracranial pressure and idiopathic cause [1]. Optic perineuritis is an uncommon noninfectious inflammation of the optic nerve sheath and perineural fat. Optic perineuritis

关键词： Recurrent abducens nerve palsy with optic perineuritis Figure

Epstein-Barr virus-positive diffuse large B-cell lymphoma with human immunodeficiency virus mimicking complicated frontal sinusitis:A case report

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World Journal of Clinical Cases 2021年第7期9卷 1654-1660页

作者： Seokho Yoon Kyeong Hwa Ryu Hye Jin baek Hyo Jung An yeon-Hee Joo Department of Nuclear Medicine and Molecular Imaging Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea Department of Radiology Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea Department of Radiology Institute of Health SciencesGyeongsang National University School of MedicineJinju 52727South Korea Department of Pathology Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea Department of Otorhinolaryngology Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea

BACKGROUND Primary non-Hodgkin’s lymphoma of the frontal sinus is extremely *** addition,Epstein-Barr virus(EBV)has been reported to play a role in the development of human immunodeficiency virus(HIV)-related malignant *** the best of our knowledge,there is no report for the HIVassociated,EBV-positive primary diffuse large B-cell lymphoma(DLBCL)in the frontal *** SUMMARY We present a unique case of HIV-associated,EBV-positive DLBCL in the frontal sinus in a 46-year-old *** tomography of paranasal sinuses revealed dense opacification of the right frontal sinus with combined soft tissue *** on the clinical and radiological findings,the initial diagnosis was complicated frontal sinusitis,presenting Pott’s puffy ***,HIV testing was positive on preoperative laboratory test,and the frontal sinus lesion was confirmed as EBV-positive DLBCL on *** Through this article,we suggest that EBV-positive DLBCL should be considered as possible diagnosis for patients with nonspecific space-occupying lesion of the paranasal *** also highlight an importance of clinical suspicion in diagnosing HIV infection because HIV serology is not routinely tested in patients with paranasal sinus problem.

关键词： Lymphoma Paranasal sinus Human immunodeficiency virus Epstein-Barr virus Computed tomography Case report

Gene editing particle system as a therapeutic approach for drug-resistant colorectal cancer

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Nano Research 2020年第6期13卷 1576-1585页

作者： jee-yeon Ryu You Jung Choi Eun-Jeong Won Emmanuel Hui Ho-Shik Kim Young-Seok Cho Tae-Jong Yoon Laboratory of Nanopharmacy College of PharmacyResearch Institute of Pharmaceutical Science and Technology(RIPST)Ajou UniversitySuwon16499Republic of Korea Division of Gastroenterology Department of Internal MedicineSeoul St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul06591Republic of Korea Moogene Medi Co. Ltd.Seongnam13488Republic of Korea

The epidermal growth factor receptor(EGFR)pathway plays an important role in the progression of colorectal cancer(CRC).Anti-EGFR drugs based on antibodies have been widely used for treating CRC through inducing the cell death ***,the majority of CRC patients will inevitably develop drug-resistance during anti-EGFR drug treatment,which is mainly caused by a point mutation in the KRAS *** developed a nanoliposomal(NL)particle containing the Cas9 protein and a single-guide RNA(sgRNA)complex(Cas9-RNP),for genomic editing of the KRAS *** NL particle is composed of bio-compatible lipid compounds that can effectively encapsulate *** modifying the NL particle to include the appropriate antibody,it can specifically recognize EGFR expressing CRC and effectively deliver the gene-editing *** conditions of NL treatment were optimized using a KRAS mutated CRC in vivo mouse *** with KRAS-mutated CRC showed drug resistance against cetuximab,a therapeutic antibody *** treating the mice with the KRAS gene-editing NL particles,the implanted tumors showed a dramatic decrease in *** results demonstrated that this genomic editing complex has great potential as a therapeutic carrier system for the treatment of drug-resistant cancer caused by a point mutation.

关键词： nanoliposome clustered regularly interspaced short palindromic repeat and associated Cas9 nuclease(CRISPR/Cas9) KRAS mutation drug-resistance colorectal cancer

Does proximal femoral nail antirotation achieve better outcome than previous-generation proximal femoral nail?

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World Journal of Orthopedics 2020年第11期11卷 483-491页

作者： Seung-Hoon baek Seunggil baek Heejae Won jee-Wook Yoon Chul-Hee Jung Shin-Yoon Kim Department of Orthopedic Surgery Kyungpook National University HospitalDaegu 41944South Korea Department of Orthopedic Surgery School of MedicineKyungpook National UniversityDaegu 41944South Korea Department of Orthopedic Surgery Goodssen HospitalDaegu 42010South Korea

BACKGROUND There are few studies in the literature comparing the clinical outcomes and radiographic results of proximal femoral nail(PFN)and proximal femoral nail antirotation(PFNA)for pertrochanteric femoral fracture(PFF)in elderly *** To evaluate both clinical and radiographic outcomes after fixation with PFN and PFNA in an elderly patient *** One hundred fifty-eight patients older than 65 years with PFF who underwent fixation with either PFN or PFNA were ***-three patients underwent fixation with PFN,whereas 85 were fixed with *** mean follow-up was 2.4 years(range,1-7 years).Clinical outcome was measured in terms of operation time,postoperative function at each follow-up visit,and mortality within one *** evaluation included reduction quality after surgery,Cleveland Index,tip-apex distance(TAD),union rate,time to union,and sliding distance of the screw or *** including nonunion,screw cutout,infection,osteonecrosis of the femoral head,and implant breakage were also *** Postoperative function was more satisfactory in patients who underwent PFNA than in those who underwent PFN(P=0.033).Radiologically,the sliding difference was greater in PFN than in PFNA patients(6.1 and 3.2 mm,respectively,P=0.036).The rate of screw cutout was higher in the PFN group;eight for PFN(11.0%)and two for PFNA patients(2.4%,P=0.027).There were no differences between the two groups in terms of operation time,mortality rate at one year after the operation,adequacy of reduction,Cleveland Index,TAD,union rate,time to union,nonunion,infection,osteonecrosis,or implant *** Elderly patients with PFF who underwent PFNA using a helical blade demonstrated better clinical and radiographic outcomes as measured by clinical score and sliding distance compared with patients who underwent PFN.

关键词： Pertrochanteric fracture Proximal femoral nail Proximal femoral nail antirotation Sliding distance Cutout Outcome

Paradoxical vocal fold motion masquerading as post-anesthetic respiratory distress:A case report

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World Journal of Clinical Cases 2023年第10期11卷 2349-2354页

作者： Jongyoon baek Dae-Lim jee Yoon Seok Choi Sang Woo Kim Eun Kyung Choi Department of Anesthesiology and Pain Medicine Yeungnam University College of MedicineDaegu 42415South Korea Department of Otorhinolaryngology-Head and Neck Surgery Yeungnam University College of MedicineDaegu 42415South Korea Department of Neurosurgery Yeungnam University College of MedicineDaegu 42415South Korea

BACKGROUND Functional vocal cord disorders can be a differential diagnosis for postoperative upper airway obstruction requiring urgent ***,this may be unfamiliar to anesthesiologists who would favor inappropriate airway intervention and increased *** SUMMARY A 61-year-old woman underwent cervical laminectomy,followed by laparoscopic cholecystectomy 10 mo *** adequate reversal of neuromuscular blockade,the patient experienced repetitive respiratory difficulty with inspiratory stridor after *** the second operation,the patient was diagnosed with paradoxical vocal fold motion(PVFM)by an otolaryngologist based on the clinical features and fiberoptic bronchoscopy results,and the patient was successfully *** PVFM should be considered a differential diagnosis if a patient presents with stridor after general anesthesia.

关键词： Anesthesiology Vocal fold Paradoxical motion Postoperative respiratory distress Case report