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CAMPBELL, JAMES D.,KWON, YONG JUNG 韓國自然史博物學會 1981 生物과 自然 Vol.11 No.1
한국에서는 처음으로 기록되는 물삿갓벌레科(Psephenidae)의 Mataeopsephenus japonicus sasajii SATO, 1970 (물삿갓벌레 : 신칭)를 채집하였으므로 이에 보고한다. 본종은 유충時 수중고착생활을 하며 원아종은 일본본토 각지 계류에 분포하고 있고, 본아종은 대마도에서 기록되었으며 체형과 생식기의 차이에 의해 확실히 구별되고, 서식처의 제한성등으로 미루어보아 일본열도가 먼저 대륙으로부터 격리된 후에 원아종 개체군이 일본본토에 형성되어 원종에서 분화되었고, 다시 본아종 개체군이 형성된 후에 대마도가 한반도에서 격리되었음을 입증하는 새로운 동물지리분포 자료로 사료된다. The first record of the species, Mataeopsephenus japonicus sasajii Sato, 1970 from the Korean Peninsula is reported. Photographs of the dorsal feature and the male genitalia are included.
뇨중 Urinary Dipeptidase 의 근원에 대한 고찰
박행순,김도하,박성광,강성귀,Marlyn Burks,James M . Mullins,Benedict J . Campbell ( Haeng Soon Park,Doh Ha Kim,Sung Kwang Park,Sung Kyew Kang,Marlyn Burks,James M . Mullins,Benedict J . Campbell ) 생화학분자생물학회 1992 BMB Reports Vol.25 No.4
Urinary dipeptidase, an enzyme with β-lactamase activity, was purified from the urine of healthy individuals. The purified enzyme was monophoretic when examined in polyacrylamide gel electrophoresis at pH 8.3, and its molecular mass estimated by HPLC was 227,000 daltons. It catalyzed the hydrolysis of the β-lactam antibiotic, N-formimidoyl-thienamycin (imipenem) with K_m=15.8 mM and V_(max)= 55 μ㏖/min/㎎. Lineweaver-Burk analysis of urinary dipeptidase-catalyzed hydrclysis of imipenem in the presence of cilastatin (Z-S-[6-carboxy-6-{ [2,2-dimethyl-(S)-cyclopropyl carboxy]-amino}-5-hexenyl]-L-cysteine) demonstrated reversible, competitive inhibition. The K_i for the competitive inhibitor, cilastatin, was 6 M. Renal dipeptidase was solubilized with n-butanol from membranes prepared from the kidneys of renal stone patients and purified. The two enzymes showed many properties in common including molecular mass, substrate specificity, kinetic parameters, inhibition by cilastatin, pH optima, electrophoretic mobility, and immunological cross-reactivity. Disintegration of kidney tubules and release of peptidase activity into the urine of rabbits treated with sublethal levels of the nephrotoxic agent, cephaloridine, suggest that the urinary dipeptidase originates from the proximal tubules of mammalian kidneys.
Campbell, Ian,Scott, Nina,Seneviratne, Sanjeewa,Kollias, James,Walters, David,Taylor, Corey,Roder, David Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.6
Background: The Quality Audit (BQA) program of the Breast Surgeons of Australia and New Zealand (NZ) collects data on early female breast cancer and its treatment. BQA data covered approximately half all early breast cancers diagnosed in NZ during roll-out of the BQA program in 1998-2010. Coverage increased progressively to about 80% by 2008. This is the biggest NZ breast cancer database outside the NZ Cancer Registry and it includes cancer and clinical management data not collected by the Registry. We used these BQA data to compare socio-demographic and cancer characteristics and survivals by ethnicity. Materials and Methods: BQA data for 1998-2010 diagnoses were linked to NZ death records using the National Health Index (NHI) for linking. Live cases were followed up to December $31^{st}$ 2010. Socio-demographic and invasive cancer characteristics and disease-specific survivals were compared by ethnicity. Results: Five-year survivals were 87% for Maori, 84% for Pacific, 91% for other NZ cases and 90% overall. This compared with the 86% survival reported for all female breast cases covered by the NZ Cancer Registry which also included more advanced stages. Patterns of survival by clinical risk factors accorded with patterns expected from the scientific literature. Compared with Other cases, Maori and Pacific women were younger, came from more deprived areas, and had larger cancers with more ductal and fewer lobular histology types. Their cancers were also less likely to have a triple negative phenotype. More of the Pacific women had vascular invasion. Maori women were more likely to reside in areas more remote from regional cancer centres, whereas Pacific women generally lived closer to these centres than Other NZ cases. Conclusions: NZ BQA data indicate previously unreported differences in breast cancer biology by ethnicity. Maori and Pacific women had reduced breast cancer survival compared with Other NZ women, after adjusting for socio-demographic and cancer characteristics. The potential contributions to survival differences of variations in service access, timeliness and quality of care, need to be examined, along with effects of comorbidity and biological factors.
Economic Conditions and Male First Marriage in Northeast China, 1749-1909
Campbell, Cameron,Lee, James 성균관대학교 동아시아학술원 2008 Sungkyun Journal of East Asian Studies Vol.8 No.1
This paper shows that economic conditions, as reflected in grain prices, helped determine rates of bachelorhood in northeast China from 1749 to 1909. For many rural populations, high grain prices are a useful measure of economic conditions because they typically indicate a poor harvest, leading to increased economic pressure and reduced consumption. Our analysis of 30,000 unmarried adult mates in rural Liaodong from 1749-1909 indicate that while current grain prices did not affect marriage chances, prior grain prices twenty years previous did: boys born when grain prices were high were more likely to never marry than boys born under normal conditions. Results are consistent with an explanation in which increased incidence of female neglect or possibly infanticide when times were bad led to worsened sex imbalances in the marriage market two decades later.
Economic Conditions and Male First Marriage in Northeast China, 1749-1909
( Cameron Campbell ),( James Lee ) 성균관대학교 동아시아학술원 2008 Sungkyun Journal of East Asian Studies Vol.8 No.1
This paper shows that economic conditions, as reflected in grain prices, helped determine rates of bachelorhood in northeast China from 1749 to 1909. For many rural populations, high grain prices are a useful measure of economic conditions because they typically indicate a poor harvest, leading to increased economic pressure and reduced consumption. Our analysis of 30,000 unmarried adult males in rural Liaodong from 1749-1909 indicate that while current grain prices did not affect marriage chances, prior grain prices twenty years previous did: boys born when grain prices were high were more likely to never marry than boys born under normal conditions. Results are consistent with an explanation in which increased incidence of female neglect or possibly infanticide when times were bad led to worsened sex imbalances in the marriage market two decades later.
Neuroimaging of Acute Ischemic Stroke: Multimodal Imaging Approach for Acute Endovascular Therapy
Mohamad Abdalkader,James E. Siegler,Jin Soo Lee,Shadi Yaghi,Zhongming Qiu,Xiaochuan Huo,Zhongrong Miao,Bruce C.V. Campbell,Thanh N. Nguyen 대한뇌졸중학회 2023 Journal of stroke Vol.25 No.1
Advances in acute ischemic stroke (AIS) treatment have been contingent on innovations in neuroimaging. Neuroimaging plays a pivotal role in the diagnosis and prognosis of ischemic stroke and large vessel occlusion, enabling triage decisions in the emergent care of the stroke patient. Current imaging protocols for acute stroke are dependent on the available resources and clinicians’ preferences and experiences. In addition, differential application of neuroimaging in medical decision-making, and the rapidly growing evidence to support varying paradigms have outpaced guideline-based recommendations for selecting patients to receive intravenous or endovascular treatment. In this review, we aimed to discuss the various imaging modalities and approaches used in the diagnosis and treatment of AIS.
Ling Lan Cheng,James R. Nechols,David C. Margolies,James F. Campbell,Ping Shih Yang,Chien Chung Chen,Chiu Tung Lu 한국응용곤충학회 2012 Journal of Asia-Pacific Entomology Vol.15 No.1
Wecompared population suppression of the phytophagous mites, Tetranychus kanzawai Kishida and Panonychus citri (McGregor), on papaya by second instar larvae of the green lacewing, Mallada basalis (Walker), at various predator:prey release ratios in the laboratory. Initially, we presented M. basalis with mixed age classes of each mite species separately at a density of approximately 30 mites per seedling. After 3 days, predator:prey ratios of 1:30, 1:15, and 1:10 resulted in reductions of T. kanzawai of 66.8%, 82.6%, and 83.3%, respectively, and reductions of P. citri of 41.8%, 75.5%, and 77.2%, respectively. Predation on individual age classes was approximately equal in both species, reinforcing previous findings that this predator does not show a preference among age classes. We next presented M. basalis with mixed populations of the two mite species in which there were equal numbers of each species and the density was as in the single species tests. Total mite reduction with both mite species present was 48.5%, 71.9%, and 74.5% at ratios of 1:30, 1:15, and 1:10, respectively; T. kanzawai was reduced by 50.5%, 77.4%, and 79.5%, respectively, and P. citriwas reduced by 44.1%, 60.3%, and 63.2%, respectively. This study suggests that M. basalis has the potential for substantially suppressing populations of both T. kanzawai and P. citri on papaya at a predator:prey ratio of 1:15 or greater. However, evaluation under realistic agricultural settings is needed before specific recommendations about predator release rates can be made.
Institutions and Inequality: Comparing the Zongshi and the Jueluo in the Qing Imperial Lineage
Wang, Linlan,Lee, James,Campbell, Cameron 성균관대학교 동아시아학술원 2010 Sungkyun Journal of East Asian Studies Vol.10 No.1
To gain insight into the implications of institutional affiliation for inequality in historical China, we examine differences in the demographic behavior and social outcomes between the main and collateral lines of the Qing imperial lineage. The former consisted of direct descendants of Takeshi, grandfather of the Qing founder Huang Taiji, while the latter consisted of descendants of Takeshi's uncles and brothers. State regulations mandated differences in privileges and opportunities between the two lines, but previous examinations of inequality in the lineage focused only on differences within the Zongshi. By analysis of a newly expanded dataset constructed from the most recent edition of the Aixinjueluo Genealogy that also includes Jueluo records, we compare the quality of data, socioeconomic attainment, and demographic behavior of the Zongshi and Jueluo. The result is a complex picture of inequality between the two lines that reflects differences in their treatment by the state.