Testers in supersweet corn lines / Avaliação de testadores em linhagens de milho superdoce

ABSTRACT: The purpose of this study was to evaluate the discriminatory capacity of tester lines for tropical corn lines converted to supersweet shrunken (sh2) gene, for the development of hybrids adapted to tropical conditions. Lines were used as female parents in crosses with three testers: open-pollinated mixed variety; supersweet line L4; supersweet commercial hybrid Tropical Plus. Four trials were carried out to evaluate topcrosses in Maringá - PR e Sabáudia - PR, Brazil in the main growing season of 2015/16. The following traits were evaluated: total ear weight (TEW, in kg), commercial ear weight (CEW, in kg) and total soluble solids (TSS, in °Brix). The GCA estimates for TEW and CEW were highest for L4. The lines Balu-114 and UEM-25 were selected based on the effects of g ̂ ifor the traits studied and should be used in the establishment of base populations for the breeding of superior lines. The s ̂ ijvalue for TEW was highest for cross BALU-182 x Tropical, while for CEW was the highest value for cross BALU-94 x Mista.

RESUMO: O presente trabalho teve como objetivo avaliar o desempenho de testadores quanto à capacidade de discriminação de linhagens tropicais convertidas à superdoce, por meio da incorporação do gene shrunken (sh2), visando a produção de híbridos adaptados às condições tropicais. As linhagens utilizadas como parentais femininos foram os testadores: variedade de polinização aberta Mista; linhagem superdoce L4; híbrido comercial superdoce Tropical Plus. Os quatro experimentos foram conduzidos em Maringá - PR e Sabáudia - PR, na safra verão de 2015/16. As características avaliadas foram: Peso de espigas totais (PET, em kg), Peso de espigas comerciais (PEC, em kg) e sólidos solúveis totais (SST, em ºBrix). A linhagem L4 foi o testador que mais proporcionou efeito de heterose. As maiores estimativas de CGC para PET e PEC foram obtidas por L4. As linhagens Balu-114 e UEM-25 foram selecionados com base nos efeitos de g ̂ i para as características estudadas e deverão ser utilizados na formação de populações base para a extração de linhagens superiores. O cruzamento BALU-182 x Tropical apresentou o maior valor de s ̂ ijpara PET, enquanto o cruzamento BALU-94 x Mista obteve o melhor valor para PEC.

A new device for determination of adhesive force and its application in predicting hot-melt sticking in spray drying of traditional Chinese medicine / 中国中药杂志

A new device was designed to measure adhesive force and predict whether traditional Chinese medicine extracts would appear hot-melt sticking in spray drying process．Based on the physical property tester as fundamental test platform, the device was fixed with a camera, a temperature and humidity sensor probe and a set of equipment for hot air. This device could simulate the dry environment of spray dryer and analyze the variables of testing solutions' adhesiveness against drying time. To establish and validate a model of predicting hot-melt sticking in spray drying, data was collected by using data mining. The results of this study proved that the device could be used to predict the hot-melt sticking in spray drying based on the adhesive force of materials (testing solutions). In addition, the study also found that the adhesiveness of the hot-melt sticking materials gradually increased with the evaporation of water, while that of non-sticking materials first increased and then rapidly decreased.

Design of Portable Spirometer Based on Internet of Things of Medicine / 中国医疗器械杂志

A kind of portable device for detecting common lung function parameters is mentioned in this paper. Using the singlechip microcomputer as the master control block to collect and process the data from high-accuracy gas pressure sensor, through the way of parametric calibration and linear interpolation to test and calculate the Forced Vital Capacity (FVC), Peak Expiratory Flow (PEF), Forced Expiratory Volume in one second (FEV1), and FEV1/FVC. Meanwhile, the detected parameters can be uploaded to the intelligent mobile terminal through the wireless transmission module. The device is able to show expiratory volume-time curve and the final parameters clearly, the error of measurement is less than 5%. In addition, that device is small and convenient, not only is good for clinical application, but also can be used for family in a house.

Nintendo Wii Fit-Based Sleepiness Testing is Not Impaired by Contagious Sleepiness

Sleep deprivation may cause accidents, and it has deteriorating effects on health. A measurement of postural steadiness by a portable and affordable Nintendo Wii Fit balance board can be used to quantify a person's alertness. At work, people are under the influence of their environment—often other people—that may affect their alertness. This work investigates whether sleep deprivation among people is “contagious,” as quantified by sway measures. We measured 21 volunteers' postural steadiness while alert and sleep deprived. During the measurements, a screen placed in front of the participants showed a footage of either alert or sleep-deprived faces. We found a significant difference between the day time and night time steadiness, but found no effect resulting from watching footage of sleep-deprived people. This finding shows that a posturographic sleepiness tester quantifies physiological sleep deprivation, and is insensitive to the influence of social factors.

The necessity of detection for insulating property of electrosurgical instrument / 中国医学装备

Objective: To explore the importance and necessity that central sterile supply department (CSSD) carried out detection for insulating property of electrosurgical instrument so as to guarantee the safety of surgery for patients. Methods: 50 monopole instruments and 30 bipolar instruments were collected, and specific insulation tester was adopted to detect the insulation property of these instruments. Besides, the detection methods of electrosurgical instrument between home and abroad were compared so as to avoid and reduce the adverse events caused by the breakage of insulating layer of electrosurgical instrument. Results: The breakages of insulating layer of 5 monopole instruments and 2 bipolar instruments were found through detection and all of them were replaced. The same problem did not be found again after 2 months. The insulation tester was used to detect the insulation property of electrosurgical instruments could effectively found these instruments with damages of insulating layer. Conclusion:The damage of the insulation layer of the electrosurgical instruments may cause serious consequences and even threat safety of patients. Periodic detection for insulation property can effectively reduce and avoid the occurrence of same problems and guarantee the safety of patient. Therefore, it is very necessary measurement.

Clinical significance of aberrations difference using OPD-Scan aberrations tester before and after phacoemulsification / 国际眼科杂志(Guoji Yanke Zazhi)

AIM:To investigate the clinical significance of aberrations difference using OPD-Scan aberrations tester after phacoemulsification.METHODS:Totally 1000 cataract patients (1 425 eyes) with nuclear grade Ⅱ with phacoemulsification and IOL implantation in our hospital from January 2013 to December 2016 were selected,with 996 cases (1421 eyes) met the inclusion criteria and received corneal wavefront aberrations examination by the same technicians at preoperative 1d and postoperative 3mo to get the 6 order 27 items Zernik coefficients,RMS1 ～ 6,RMSg and RMSh,contrast on Zernik coefficient,RMS1 ～ 6 and RMSg and RMSh.Intraocular lens type and RMS's Logistic regression analysis were conducted,the IOL on postoperative RMS was analyzed.RESULTS:The statistics showed that among 1-27 items of Zernik coefficient,only Z4,Z9,Z12 and Z24 before and after surgery showed significant difference (P＜0.05),and each postoperative Zernik coefficient dropped sharply than that before surgery,there was difference before and after surgery (P＜0.05).After operation,RMS1,RMS2,RMS3,RMS4,RMS5,RMS6,RMSg and RMSh decreased markedly than those before operation (P＜ 0.05).There was no significant difference on RMS between different types of IOL before operation (P＞ 0.05).RMS3,RMS4,RMS5,RMSg and RMSh of the aspheric surface were significantly lower than those of the spherical IOL group (P＜0.05).There was no significant difference on visual acuity (LogMAR) between the two groups before operations (P＞0.05).At 3mo after the operation,visual acuity were significantly better than those before surgery,and the LogMAR visual acuity was better in the aspheric IOL group (P＜0.01).By Pearson analysis,the overall higher order aberrations and Z420 were negatively correlated with the best corrected visual acuity after surgery (r=-0.354,-0.269;P＜0.05),while Z400 had a positive correlation with postoperative best corrected visual acuity (r=0.279,P＜0.05).CONCLUSION:RMS1 ～ 6,RMSg and RMSh aberrations reduce markedly than those before operation after phacoemulsification and IOL implantation.There is a certain relevance between the higher order aberrations and postoperative visual acuity.High-order aberrations are related to the choice of intraocular lens type,aberration measurement shall be taken to assure a reasonable and scientific selection of intraocular lens type.

Comparison of tremor induced by valproate and lithium in bipolar disorder using a hand steadiness tester.

Background: Quantitative measurement of valproate and lithium induced tremor using hand steadiness tester and their comparison in bipolar disorder. Methods: 200 newly diagnosed patients of bipolar disorder were randomly allocated into two equal groups receiving lithium (300mg twice daily) and sodium valproate (500 mg twice daily) after they fulfilled the inclusion / exclusion criteria of the study. 87 patients from Lithium group and 93 from Valproate completed the study. Hand Tremor was assessed quantitatively at 0, 6, 12, 18 and 24 weeks using hand steadiness tester. Anxiety level of the study subjects was assessed to be insignificant using a standardized anxiety scale. Final data was assessed after 24 weeks by using Stat Calc and Z test. P value <0.05 was considered to be significant. Results: No significant difference was found in terms of the development and transition of tremor induced by valproate and lithium (p=0.22). However more men developed tremor with lithium when compared with females (p<0.05) and the mean age of patients who developed tremor appeared to be significantly higher in lithium group (54.7±3.9) than valproate (39.6±5.1). Conclusions: Tremor of hands is a common side effect of lithium and valproate treatment. Timely, objective assessment of onset and extent of tremor has always remained a challenge to the clinicians. Hand Steadiness tester is a simple, portable, inexpensive, non-invasive instrument that can be used to ascertain the development and transition of tremor in a quantitative manner. This would guide the clinicians as when to intervene for better management of such tremors.

Evaluation of maize top crosses under two nitrogen levels / Avaliação de top crosses de milho em duas doses de nitrogênio

Maize crops in Brazil have a wide diversity of management systems. There is a large contingent of family agriculture, which uses little or no agricultural inputs, compared to the rural enterprise which uses the most modern production systems. This difference in the management systems is particularly noticeable in relation to consumption of fertilizers, especially nitrogenous ones. Therefore it is necessary to obtain plants with efficient nitrogen (N) use that also respond to applied nitrogen. Thus, the aim of the study was to evaluate the performance of S0:1 progenies, in top crosses, under two nitrogen levels and select the best ones based on responsiveness and efficiency. Sixty seven S0:1 progenies from populations of single cross hybrids were crossed with two testers (T1 - single cross hybrid; T2 - population per se). A hundred and thirty four hybrid progenies plus ten controls were evaluated in two field trials with different levels of nitrogen (one with average levels - 50 kg ha-1 of N - and the other with low levels of nitrogen - 25 kg ha-1 of N) in a 12 x 12 triple lattice design. It is possible to identify and to select progenies from commercial single cross hybrids that are efficient and responsive to nitrogen application. The non-additive effect was as important as the additive effect for grain yield under different nitrogen levels.

A cultura do milho no Brasil tem uma ampla diversidade no sistema de manejo. Há um grande contingente de agricultura tipicamente familiar que usa pouco insumo agrícola, e também empresas rurais que utilizam o que há de mais moderno em sistema de produção. Essa diferença no sistema de manejo fica bem evidenciada no que refere ao consumo de fertilizantes, especialmente os nitrogenados. Por isso, é necessário obter plantas eficientes no uso de nitrogênio (N) e, ao mesmo tempo, que sejam responsivas ao N aplicado. Desse modo, neste trabalho, objetivou-se avaliar a resposta, a diferentes níveis de N, de progênies S0:1 de milho e sua capacidade de combinação, utilizando dois testadores diferentes. Foram utilizadas 67 progênies S0:1, oriundas de híbridos comerciais, em topcross com dois testadores (T1 - híbrido simples; T2 - população per ser das progênies S0:1). Os top crosses foram avaliados, juntamente com 10 testemunhas, em dois experimentos com diferentes níveis de nitrogênio (nível médio - 50 kg ha-1 de N - e outro com nível baixo - 25 kg ha-1 de N), no delineamento experimental látice triplo 12 x 12. Os resultados obtidos permitiram verificar que não ocorreu alteração no comportamento dos top crosses em diferentes doses de nitrogênio, para produtividade de grãos. É possível identificar e selecionar progênies parcialmente endogâmicas responsivas e eficientes na utilização de N, provenientes de híbridos comerciais. Os efeitos não-aditivos foram tão importantes quanto os efeitos aditivos para produtividade de grão sob diferentes níveis de nitrogênios.

Water Test Method for the Identification of Chinese Medicinal Decoction Pieces / 中国药房

OBJECTIVE:To introduce the water test method for the identification of Chinese medicinal decoction pieces for references of pharmacists. METHODS:The water test method applied in the identification of 25 kinds of Chinese Medicinal decoction pieces were introduced and summarized. RESULTS & CONCLUSION:The water test method is a traditional experience-based identification method, which can be applied to effectively identify drug quality and ensure drug safety, thus deserve to be popularized.

Evaluation of insertion of torque and pull-out strength of mini-screws according to different thickness of artificial cortical bone / 대한치과교정학회지

OBJECTIVE: The purpose of this study was to evaluate the mechanical performance of mini-screws during insertion into artificial bone with use of the driving torque tester (Biomaterials Korea, Seoul, Korea), as well as testing of Pull-out Strength (POS). METHODS: Experimental bone blocks with different cortical bone thickness were used as specimens. Three modules of commercially available drill-free type mini-screws (Type A; pure cylindrical type, Biomaterials Korea, Seoul, Korea, Type B; partially cylindrical type, Jeil Medical, Seoul, Korea, Type C; combination type of cylindrical and tapered portions, Ortholution, Seoul, Korea), were used. RESULTS: Difference in the cortical bone thickness had little effect on the maximum insertion torque (MIT) in Type A mini-screws. But in Type B and C, MIT increased as the cortical bone thickness increased. MIT of Type C was highest in all situations, then Type B and Type A in order. Type C showed lower POS than Type A or B in all situations. There were statistically significant correlations between cortical bone thickness and MIT, and POS for each type of the mini-screws. CONCLUSION: Since different screw designs showed different insertion torques with increases in cortical bone thickness, the best suitable screw design should be selected according to the different cortical thicknesses at the implant sites

Avaliação comparativa da latência e da duração do cloridrato de levobupivacaína 0, 5 sem e com vasoconstrictor em anestesia terminal infiltrativa / Comparative study of the latency period and duration of levobupivacaine 0.5% plain and with vasoconstrictor in maxillary infiltrative anesthesia

Este estudo avaliou comparativamente o período de latência e a duração do cloridrato de levobupivacaína 0,5% sem vasoconstritor e com epinefrina 1:200.000 (NOVABUPI®) após anestesia terminal infiltrativa na maxila. As injeções com as duas soluções foram realizadas no mesmo canino superior escolhido previamente pelo voluntário, de forma aleatória, em um estudo triplo-cego, anestesia essa feita com intervalo de, no mínimo, 48 horas. O período de latência e a duração da anestesia pulpar foram analisados pelo teste de sensibilidade elétrico (Fabricante Analytic Technology, USA), e o tempo de duração em tecidos moles foi relatado pelo voluntário. Os resultados obtidos revelaram diferenças estatisticamente significantes (p < 0,05) em relação à adição do vasoconstritor, quanto à duração da anestesia pulpar (p = 0,0004) e a duração em tecidos moles (p = 0,0019), porém, com relação ao período de latência, não houve diferença estatisticamente significante (p = 0,6547). Concluiu-se que ambas as soluções foram eficazes na perda da sensibilidade dos tecidos duros e moles e a adição de epinefrina 1:200.000 prolongou o tempo de duração do cloridrato de levobupivacaína 0,5% .

The purpose of this study was to comparatively evaluate the time of latency and duration of two types of levobupivacaine 0.5%: plain and with epinephrine 1:200.000, in maxillary infiltrative anesthesia. The infiltration anesthesias were perfomed in the vestibule in the upper caninine chosen at random by the volunteer in a triple-blind study. The chosen tooth was anesthetized with both anesthetic solution in two sessions with a minimum interval of 48 hours.The time of latency and duration of pulpar anesthesia were analysed by eletric pulp tester (Analytic Technology, USA) and the soft tissue duration was noted by the volunteer. The results showed statistical significant difference (p < 0.05) when there was vasoconstrictor addition in time of pulpar (p = 0.0004) and soft tissue (p = 0.0019) anesthesia; however, no significant difference was obtained in latency period (p = 0.6547). It was concluded that both solutions were effective in obtaining anesthesia for hard and soft tissues and the addition of 1:200.000 epinephrine prolonged the duration of anesthesia .

The effect of fermented foods on the color and hardness change of denture base acrylic resins / 대한치과보철학회지

STATEMENT OF PROBLEM: For a long time, many of denture base acrylic resins have been used for edentulous and partial edentulous patients because of easy manipulation and good mechanical properties, but its esthetic aspect has not been commented enough. Denture base acrylic resins also has caused esthetic problems due to discoloration or staining as in esthetic restoration. Many researches and reports have treated the problems and accomplished esthetic improvement. But these researches and reports dealt with general food colors or beverages, not with fermented foods. PURPOSE: This study is designed to assess what fermented foods, such as soy sauce, gochujang, and toenjang that many of Koreans have taken in, influence on the color and hardness variation of denture base acrylic resins. MATERIALS AND METHODS: For the procedure, twelve disks per 4 denture base acrylic resins were fabricated with a thickness of 2mm and 16mm in diameter. Each seven specimen were measured for discoloration with spectrophotometer, while the others, five specimen, for surface hardness change with Barcol hardness tester, over time. Each 12 specimen were immersed into the 4 beakers of fermented foods(soy sauces, gochujangs, toenjangs, deionized water), and L*, a*, and b* values were measured for the color difference(_E*), on the 1st, 7th, and 28th day with spectrophotometer, with the measurement of surface hardness change. Each data observed was processed statistically. RESULTS: The findings are as follows; Discoloration 1. All of denture base resins was not influenced by the kind of fermented foods, except for QC20. 2. Soy sauce and red pepper paste caused more change for denture base resins than deionized water and soy bean paste, except for Perform. 3. Most significant change was shown in Lucitone199., whereas Perform. results in the least change for all immersed solution, with no statistical significance. Hardness change 1. Barcol hardness values in deposited specimens have been changed low degree, but with significant statistical change according to the kind of food and duration. 2. Lucitone199. has significantly lower Barcol hardness value than others do. CONCLUSION: Based on the above results, it suggests that the habitual intake of fermented foods is not helpful for the color stability of denture base acrylic resins because Soy sauce and red pepper paste mainly caused discoloration and surface hardness change. Particularly Lucitone199. shows specific discoloration and low surface hardness values. Therefore, it is recommended giving caution patients with denture of Lucitone199. especially against the habitual intake of fermented foods like soy sauce and red pepper paste.

Measurement of the excessive stimulus time after the sensory threshold level during electric pulp testing / 대한치과보존학회지

Use of electric pulp testing elicits painful response in vital teeth. In this study, we examined the excessive time from pain feeling to stimulation disconnection in clinical situation. D626D (Parkell Inc., USA.) scan type electric pulp tester was used in total of 23 young healthy individuals. Each of the right central incisors and first premolars were used as testing teeth. Stimulation disconnection was achieved by EMG in anterior belly of digastric muscle, finger span, and voice and the excessive stimulation time over the sensory threshold was recorded. As a result, we found that the short responses before the stimulation disconnection appeared following order; EMG, finger span, and voice. The EMG disconnection is suggested to be used to reduce the excessive stimulus time in electric pulp testing.

Design and Making of Network Cable Tester Port Expander / 医疗卫生装备

Objective To develop a port expander for simple network cable tester,which can raise the testing efficiency of the computer network twisted-pair.Methods Several RJ-45 sockets were used to connect the eight points separatedly according to the same arrangement order.One socket was connected to testing port by short twisted-pair,while other sockets were used as expander port.Results In practical test,the operation only needs one person,who could test the computer network twisteded-pair conveniently without going back and forth frequently between the two terminals of the tested line.Conclusion It is proved by testing that the port expander for the simple network cable tester can raise the testing efficiency of the computer network twist-pair.

The Correlation of Recovery of Ipsilateral Motor Weakness and That of Contralateral Hemiplegia in Stroke

OBJECTIVE: We observed the nature of ipsilateral weakness, not hemiplegic side after stroke. And we studied correlation between ipsilateral weakness and neurologic recovery of hemiplegia. METHOD: This study was prospective, follow-up clinical trial. Ipsilateral motor power was checked serially in 20 subjects using Nicholas Manual Muscle Tester (NMMT) (shoulder abduction, wrist extension, hip flexion, ankle dorsiflexion). The subjects are first attacked hemiplegic stroke patients. Other outcome measures are Mini-mental Status Examination (MMSE) and National Institutes of Health Stroke Scale (NIHSS). We studied correlations between motor power recovery in ipsilateral limbs and recovery of neurologic impairment in hemiplegic limbs of stroke patients through SPSS 7.0 program. RESULTS: Ipsilateral motor power in early stage stroke patients is significantly low compared with that of normal subject except ankle dorsiflexion (p<0.05). Comparing ipsilateral proximal with distal limbs power in pre and post multidisciplinary rehabilitation program, upper proximal part recovered faster than the distal part, but which was not statistically significant. Recovery of ipsilateral upper proximal and distal limb weakness is associated with neurologic recovery in hemiplegic side. CONCLUSION: After the stroke, ipsilateral upper limb motor weakness does occur and which follows similar neurologic recovery pattern to the hemiplegic side. Ipsilateral cortical and subcortical tracts take effect on the neurologic recovery of contalateral side.

Evaluation of the Knee Extension Force in Korean Adults Using a Manual Muscle Tester

OBJECTIVE: The purpose of this study was to determine the knee extension force of healthy Korean adults by using a hand-held dynamometer and evaulate the relationship of knee extension force between each decade. METHOD: One hundred and twenty healthy subjects (60 males, 60 females) between the ages of 20 and 79 years were tested for knee extension force by using Nicholas Manual Muscle Tester (MMT). Data were analyzed for means, standard deviations, test-retest reliability and correlation with variables by using the SPSS(R) software package. RESULTS: The mean value of the knee extension force was 25.9 +/- 5.8 kg in the males and 16.5 +/- 4.1 kg in the females. Significant difference between each decade was found in the males but not in the females. The knee extension force of the males was stastically correlated with all of variables, i.e., age, weight and height, but the knee extension force of the females, was correlated only with weight. Intratester correlation coefficients were high for the Nicholas MMT to measure the knee extension force for healthy adults. Also the difference between the dominant and nondominant side for the knee extensor force was not significant, stastically. CONCLUSION: This MMT may be useful to quickly and objectively evaluate force in the clinical setting.

ANALYSIS OF PORCELAIN SURFACE ROUGHNESS POLISHED BY VARIOUS TECHNIQUE / 대한치과보철학회지

This study was designed to compare the smoothness by glazing method with that by polishing method after 48 specimens of Ceramco II block, one of porcelain materials used for PFM, were baked according to the manufacturer's directions. The specimens were roughened with new green stone at 15,000rpm for 30 seconds and sandblasted with 25microliteraluminum oxide for 15 seconds. They were divided into 4 groups at random, and 4 groups were prepared as follows : Group I : specimens were autoglazed and overpolished with polishing system. Group II specimens were polished with only polishing system. Group IIIspecimens were glazed after adding glazing liquid, vitachrom "L"-fluid (vita zahnfabrik co. Germany) to the rough surface Group v : specimens were just autoglazed Using the surface roughness tester, Ra, Rmax, and Rz were estimated 5 times per specimen, and recording process of mean value was repeated 3 times. The results were as follows : 1. The Ra of group I and group IIwas lower than group IIIand group IV (p001). 5. The roughness was increase in order of group I,II,III,IV in SEM

Development of ventilator tester based on ADuC812 / 医疗卫生装备

The paper introduces the ventilator tester based on ADuC812 which can test the main signals including the flow and pressuere of ventilators.With the analysis of the tester and its applications to several ventilators available,it proves reliable and suitable for clinical use.

Dermographism: I . The Prevalence in Korean general Population / 대한피부과학회지

The prevalence of dermographism in the general population of Korea was studied using a dermographic tester on 1, 074 persons(M: 489, F: 585, M/F= 1/l. 2). The result was summarized as follows: 1. The prevalence of dermographism from the pressure of 4, 800 Gm/sq. cm (pressure 2) was 6. 7%. 2. There were no significant difference in the prevalence between male(6.3%) and female(7%) (p>0. 1). 3, The peak age group of dermographism was third(9.4%), fourth and second decades in decreasing order.