Academic literature on the topic 'Hm 24'
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Journal articles on the topic "Hm 24"
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Liu, L., W. Wan, and B. Ning. "A study of the ionogram derived effective scale height around the ionospheric <I>hm</I>F2." Annales Geophysicae 24, no. 3 (May 19, 2006): 851–60. http://dx.doi.org/10.5194/angeo-24-851-2006.
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Abstract. The diurnal, seasonal, and solar activity variations of the ionogram derived scale height around the ionospheric F-layer peak (Hm) are statistically analyzed at Wuhan (114.4° E, 30.6° N) and the yearly variations of Hm are also investigated for Wuhan and 12 other stations where Hm data are available. Hm, as a measure of the slope of the topside electron number density profiles, is calculated from the bottomside electron density profiles derived from vertical sounding ionograms using the UMLCAR SAO-Explorer. Results indicate that the value of median Hm increases with increasing solar flux. Hm is highest in summer and lowest in winter during the daytime, while it exhibits a much smaller seasonal variation at night. A common feature presented at these 13 stations is that Hm undergoes a yearly annual variation with a maximum in summer during the daytime. The annual variation becomes much weaker or disappears from late night to pre-sunrise. In addition, a moderate positive correlation is found between Hm with hmF2 and a strong correlation between the bottomside thickness parameter B0 and Hm. The latter provides a new and convenient way for empirical modeling the topside ionospheric shape only from the established B0 parameter set.
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Cheema, Ali S., Lisa F. Stinson, Alethea Rea, Ching Tat Lai, Matthew S. Payne, Kevin Murray, Donna T. Geddes, and Zoya Gridneva. "Human Milk Lactose, Insulin, and Glucose Relative to Infant Body Composition during Exclusive Breastfeeding." Nutrients 13, no. 11 (October 22, 2021): 3724. http://dx.doi.org/10.3390/nu13113724.
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Human milk (HM) components may influence infant growth and development. This study aimed to investigate relationships between infant body composition (BC) and HM lactose, insulin, and glucose (concentrations and calculated daily intakes (CDI)) as well as 24-h milk intake and maternal BC at 3 months postpartum. HM samples were collected at 2 months postpartum. Infant and maternal BC was assessed with bioimpedance spectroscopy. Statistical analysis used linear regression accounting for infant birth weight. 24-h milk intake and CDI of lactose were positively associated with infant anthropometry, lean body mass and adiposity. Higher maternal BC measures were associated with lower infant anthropometry, z-scores, lean body mass, and adiposity. Maternal characteristics including BC and age were associated with concentrations and CDI of HM components, and 24-h milk intake. In conclusion, 24-h intake of HM and lactose as well as maternal adiposity are related to development of infant BC.
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Fu, Szu-Kai, Wei-Chin Tseng, Kuo-Wei Tseng, Chang-Chi Lai, Ying-Chieh Tsai, Hsia-Ling Tai, and Chia-Chen Hsu. "Effect of Daily Oral Lactobacillus plantarum PS128 on Exercise Capacity Recovery after a Half-Marathon." Nutrients 13, no. 11 (November 11, 2021): 4023. http://dx.doi.org/10.3390/nu13114023.
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A half-marathon (HM) is a vigorous high-intensity exercise, which could induce lower extremity musculoskeletal injury risks for recreational runners. They usually consume nonsteroidal anti-inflammatory drugs (NSAIDs) in order to shorten their return to play but ignore the side effects, such as peptic ulcers and renal and vascular disorders. Lactobacillus plantarum PS128 (PS128) could improve inflammation and oxidative stress by modulating the gut microbiota, thus potentially improving muscle damage and recovery. However, few studies have addressed the PS128 exercise capacity recovery 96 h after HM. Thus, this study aimed to investigate the effect of PS128 on exercise capacity and physiological adaptation after HM. A double-blind, randomized, placebo-controlled, counterbalanced, crossover trial was used for the experiment. HM was conducted at the beginning and end of the 4-week nutritional supplement administration. Eight recreational runners took two capsules (3 × 1010 CFU/capsule) of PS128 each morning and evening before meals for 4 weeks as the PS128 treatment (LT), or they took two capsules of placebo for 4 weeks as the placebo treatment (PT). In both treatments, an exercise capacity test (lower extremity muscle strength, anaerobic power, lower extremity explosive force, and aerobic capacity) and blood test (muscle fatigue, muscle damage, oxidative stress, and renal injury) were performed before the administration of the nutritional supplement (baseline), 48 h before HM (pre), and 0 h (0 h post), 3 h (3 h post), 24 h (24 h post), 48 h (48 h post), 72 h (72 h post), and 96 h (96 h post) after HM. There was no significant difference in the total duration of HM between PT and LT, but PT was found to be significantly higher than LT at Stage 4 (15,751–21,000 m) of HM (3394 ± 727 s vs. 2778 ± 551 s, p = 0.02). The lower extremity muscle strength measured using an isokinetic dynamometer in PT was significantly lower than that in LT at 72 h after HM. The lower extremity explosive force from the countermovement jump (CMJ) in PT was significantly decreased compared to 24 h prior. There was no significant difference between anaerobic power and aerobic capacity between the two treatments after HM. After HM, LT had lower muscle damage indices, such as myoglobin (3 h post-PT vs. -LT: 190.6 ± 118 ng/mL vs. 91.7 ± 68.6 ng/mL, p < 0.0001) and creatine phosphokinase (24 h post-PT vs. -LT: 875.8 ± 572.3 IU/L vs. 401 ± 295.7 IU/L, p < 0.0001). Blood urea nitrogen recovered in 24 h (24 h pre- vs. post-LT, p > 0.05) and higher superoxide dismutase was found in LT (96 h post-PT vs. -LT: 0.267 ± 0.088 U/mL vs. 0.462 ± 0.122 U/mL, p < 0.0001). In conclusion, PS128 supplementation was associated with an improvement in muscle damage, renal damage, and oxidative stress caused by HM through microbiota modulation and related metabolites but not in exercise capacity.
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Leghi, Gabriela E., Merryn J. Netting, Ching T. Lai, Ardra Narayanan, Michael Dymock, Alethea Rea, Mary E. Wlodek, Donna T. Geddes, and Beverly S. Muhlhausler. "Reduction in Maternal Energy Intake during Lactation Decreased Maternal Body Weight and Concentrations of Leptin, Insulin and Adiponectin in Human Milk without Affecting Milk Production, Milk Macronutrient Composition or Infant Growth." Nutrients 13, no. 6 (May 31, 2021): 1892. http://dx.doi.org/10.3390/nu13061892.
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Maternal diet has the potential to affect human milk (HM) composition, but very few studies have directly assessed the effect of maternal diets on HM composition. The primary aim of this study was to assess the effect of improving dietary quality in lactating women over 2 weeks on the concentrations of macronutrients and metabolic hormones in HM. The secondary aims were to assess the impact of the dietary intervention on 24 h milk production, maternal body composition and infant growth. Fifteen women completed a 1-week baseline period followed by a 2-week dietary intervention phase targeted towards reducing fat and sugar intake. Maternal anthropometric and body composition and infant growth measurements were performed weekly. Total 24 h milk production was measured before and after the dietary intervention, and HM samples were collected daily. Maternal intakes of energy (−33%), carbohydrate (−22%), sugar (−29%), fat (−54%) and saturated fat (−63%) were significantly reduced during the dietary intervention. HM insulin, leptin and adiponectin concentrations were 10–25% lower at the end of the dietary intervention, but HM concentrations of macronutrients were unaffected. Maternal body weight (−1.8%) and fat mass (−6.3%) were significantly reduced at the end of the dietary intervention, but there were no effects on 24 h milk production or infant growth. These results suggest that reducing maternal energy, carbohydrate, fat and sugar intake over a 2-week period is associated with significant reductions in HM insulin, leptin and adiponectin concentrations. These changes may be secondary to decreases in maternal weight and fat mass. The limited studies to date that have investigated the association between metabolic hormone concentrations in HM and infant growth raise the possibility that the changes in HM composition observed in the current study could impact infant growth and adiposity, but further studies are required to confirm this hypothesis.
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Reddy, Akhila Sunkepally, Sara Dost, Marieberta Vidal, Saneese Stephen, Karen Baumgartner, Jimin Wu, Diane D. Liu, Sriram Yennu, and Eduardo Bruera. "The conversion ratio from intravenous (IV) hydromorphone to oral (PO) opioids in patients with cancer." Journal of Clinical Oncology 34, no. 26_suppl (October 9, 2016): 197. http://dx.doi.org/10.1200/jco.2016.34.26_suppl.197.
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197 Background: Inpatients with cancer frequently undergo conversions from IV to PO hydromorphone (HM) or opioid rotation (OR) from IV HM to another PO opioid prior to discharge. Currently used conversion ratios (CR) between IV and PO HM range from 2-5 and opioid rotation ratios (ORR) between IV HM and oral morphine equivalent daily dose (MEDD) range from 10-20. This large variation in ratios may lead to uncontrolled pain or overdosing. Our aim was to determine the accurate CR from IV to PO HM and ORR from IV HM to PO morphine and oxycodone (measured as MEDD). Methods: We reviewed records of 4745 consecutive inpatient palliative care consults in our institute during 2010-14 for patients who underwent conversion from IV to PO HM or OR from IV HM to PO morphine or oxycodone. Patient characteristics, symptoms and opioid doses were determined in patients successfully discharged on oral opioids without readmission within 1 week. Linear regression analysis was used to estimate the CR or ORR between the 24 hour IV HM mg dose prior to conversion to PO and the oral opioid mg dose used in the 24 hours prior to discharge. Results: Among 394 eligible patients on IV HM, 147 underwent conversion to PO HM and 247 underwent OR to oral morphine (163) or oxycodone (84). Mean age was 54 years, 39% were male, and 95% had advanced cancer. Median time between conversion to PO and discharge was 2 days. In 147 patients the median CR (IQR) from IV to PO HM was 2.5 (2.1-2.7) and correlation of IV to PO dose of HM was .95 (P < .0001). The median CR was 2.5 in patients receiving < 30mg of IV HM/day and 2.1 in patients receiving ≥ 30mg of HM/day (P = .004). In 247 patients the median ORR (IQR) from IV HM to MEDD was 11.5 (10-13) and correlation of IV HM to MEDD was .93 (P < .0001). The median ORR was 11.5 in patients receiving < 30mg of IV HM/day and 9.9 in patients receiving ≥ 30mg of HM/day (P = .0004). ORR from IV HM to MEDDs obtained from morphine (11) and oxycodone (12.1) were significantly different (P = .0023). The CR and ORR were not significantly impacted by other variables. Conclusions: The median CR from IV to PO HM is 2.5 and ORR from IV HM to MEDD is 11.5. This implies that 1 mg IV HM is equivalent to 2.5 mg PO HM and 11.5 mg MEDD. HM may cause hyperalgesia at doses ≥ 30 mg/day and thereby requires a lower ORR to other opioids.
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Xiao, Shengsheng, Jie Zhang, Jian Duan, Hongguang Liu, Cong Wang, and Chongjun Tang. "Soil Organic Carbon Sequestration and Active Carbon Component Changes Following Different Vegetation Restoration Ages on Severely Eroded Red Soils in Subtropical China." Forests 11, no. 12 (December 4, 2020): 1304. http://dx.doi.org/10.3390/f11121304.
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Degraded soil has a high carbon sink potential. However, the carbon sequestration capacity and efficiency of comprehensive control measures in soil erosion areas are still not fully understood, and this information is essential for evaluating the effects of adopted restoration measures. The objective of this study was to determine the restoration of soil organic carbon and active carbon components under the impact of soil erosion measures and reforestation following different restoration ages. A small watershed with four typical restored plots following the same control measures (combination measures with horizontal bamboo burl-groove + replanting trees, shrubs and grasses) but different restoration ages (4 years, 14 years, 24 years and 34 years) and two reference plots (bare land (carbon-depleted) and nearby undisturbed forest (carbon-enriched)) in subtropical China was studied. The results showed that the soil organic carbon contents at a 1 m soil depth and the dissolved organic carbon and microbial biomass carbon concentrations in the upper 60 cm of soils of the four restored lands were higher than those in the bare land. Furthermore, the restored lands of 4 years, 14 years, 24 years and 34 years had soil organic carbon stocks in the 1 m soil depth of 22.83 t hm−2, 21.87 t hm−2, 32.77 t hm−2 and 39.65 t hm−2, respectively, which were higher than the bare land value of 19.86 t hm−2 but lower than the undisturbed forestland value of 75.90 t hm−2. The restored forestlands of 34 years of ecological restoration also had a high potential of being a soil organic carbon sink. Compared to the bare land, the restored lands of 4 years, 14 years, 24 years and 34 years had soil organic carbon sequestration capacities of 2.97 t hm−2, 2.01 t hm−2, 12.91 t hm−2 and 19.79 t hm−2, respectively, and had soil organic carbon sequestration rates of 0.74 t hm−2 a−1, 0.14 t hm−2 a−1, 0.54 t hm−2 a−1 and 0.58 t hm−2 a−1, respectively. Our results indicated that the combined measures of horizontal bamboo burl-groove and revegetation could greatly increase carbon sequestration and accumulation. Suitable microtopography modification and continuous organic carbon sources from vegetation are two main factors influencing soil organic carbon recovery. Combination measures, which can provide suitable topography and a continuous soil organic carbon supply, could be considered in treating degraded soils caused by water erosion in red soil areas.
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Supp, Dorothy M., Jennifer M. Hahn, Christopher M. Lloyd, Kelly A. Combs, Viki B. Swope, Zalfa Abdel-Malek, and Steven T. Boyce. "117 Light or Dark Pigmentation of Engineered Skin Substitutes Containing Melanocytes Protects Against UV-Induced DNA Damage in Vivo." Journal of Burn Care & Research 41, Supplement_1 (March 2020): S78—S79. http://dx.doi.org/10.1093/jbcr/iraa024.120.
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Abstract Introduction Engineered skin substitutes (ESS) were developed to meet the need for prompt wound closure in patients with large full thickness burns. ESS containing autologous fibroblasts and keratinocytes were shown to provide stable wound closure in burn patients, but are limited by hypopigmentation. DNA damage caused by ultraviolet (UV) radiation is a known risk factor for development of skin cancer. In normal human skin, epidermal melanocytes provide pigmentation, helping to shield skin from UV-induced DNA damage. The current study investigated inclusion of human melanocytes (hM) and their role in the response of ESS to UV light in vivo. Methods Primary cells were isolated from skin of healthy de-identified human donors with IRB approval. Three groups of ESS were prepared with fibroblasts and keratinocytes, +/- hM, and were grafted orthotopically to immunodeficient mice: ESS without hM; ESS with light skin-derived (Caucasian) hM (ESS+hML); and ESS with dark skin-derived (African American) hM (ESS+hMD). After 8 weeks in vivo, grafts were irradiated with 135 mJ/cm2 UV, and mice were euthanized after 2 or 24 hours; non-UV treated mice served as controls. Pigmentation and erythema were measured with a Mexameter. Melanocytes and cyclobutane pyrimidine dimers (CPDs) were quantified by immunostaining with anti-TYRP1 and anti-CPD antibodies, respectively, followed by image analysis (Nikon Elements). Statistical analyses (SigmaPlot) utilized t-test or one-way ANOVA; P< 0.05 was considered significant. Results At 8 weeks post-grafting, mean hM density in ESS+hML and ESS+hMD was not significantly different from normal human skin samples. Pigmentation (in Mexameter units) before UV irradiation was significantly different among groups (ESS+hMD > ESS+hML > ESS no hM). UV irradiation did not increase erythema in any group, but resulted in significantly increased pigmentation in ESS+hML and ESS+hMD at 2 hours, but not 24 hours, post-UV. CPDs, the most prevalent form of UV-induced DNA damage, were significantly elevated 24 hours post-UV in ESS without hM. DNA damage was significantly lower 24 hours post-UV in ESS+hML and ESS+hMD compared with ESS without hM. No differences in DNA damage were observed between ESS+hML and ESS+hMD. Conclusions Pigmentation of ESS+hML and ESS+hMD in vivo varied according to the skin phototype of the hM donor, with no difference in melanocyte density, which was similar to normal human skin. Inclusion of either light or dark hM decreased UV-induced DNA damage, suggesting that hM in ESS play a photoprotective role, as in normal human skin. Applicability of Research to Practice Protection against UV-induced DNA damage may reduce the risk of skin cancer in patients grafted with ESS containing melanocytes.
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Prentice, Philippa M., Marieke H. Schoemaker, Jacques Vervoort, Kasper Hettinga, Tim T. Lambers, Eric A. F. van Tol, Carlo L. Acerini, et al. "Human Milk Short-Chain Fatty Acid Composition is Associated with Adiposity Outcomes in Infants." Journal of Nutrition 149, no. 5 (May 1, 2019): 716–22. http://dx.doi.org/10.1093/jn/nxy320.
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ABSTRACT Background Presumed benefits of human milk (HM) in avoiding rapid infancy weight gain and later obesity could relate to its nutrient composition. However, data on breast milk composition and its relation with growth are sparse. Objective We investigated whether short-chain fatty acids (SCFAs), known to be present in HM and linked to energy metabolism, are associated with infancy anthropometrics. Methods In a prospective birth cohort, HM hindmilk samples were collected from 619 lactating mothers at 4–8 wk postnatally [median (IQR) age: 33.9 (31.3–36.5) y, body mass index (BMI) (kg/m2): 22.8 (20.9–25.2)]. Their offspring, born at 40.1 (39.1–41.0) wk gestation with weight 3.56 (3.22–3.87) kg and 51% male, were assessed with measurement of weight, length, and skinfold thickness at ages 3, 12, and 24 mo, and transformed to age- and sex-adjusted z scores. HM SCFAs were measured by 1H-nuclear magnetic resonance spectroscopy (NMR) and GC-MS. Multivariable linear regression models were conducted to analyze the relations between NMR HM SCFAs and infancy growth parameters with adjustment for potential confounders. Results NMR peaks for HM butyrate, acetate, and formic acid, but not propionate, were detected. Butyrate peaks were 17.8% higher in HM from exclusively breastfeeding mothers than mixed-feeding mothers (P = 0.003). HM butyrate peak values were negatively associated with changes in infant weight (standardized B = −0.10, P = 0.019) and BMI (B = −0.10, P = 0.018) between 3 and 12 mo, and negatively associated with BMI (B = −0.10, P = 0.018) and mean skinfold thickness (B = −0.10, P = 0.049) at age 12 mo. HM formic acid peak values showed a consistent negative association with infant BMI at all time points (B < = −0.10, P < = 0.014), whereas HM acetate was negatively associated with skinfold thickness at 3 mo (B = −0.10, P = 0.028) and 24 mo (B = −0.10, P = 0.036). Conclusions These results suggest that HM SCFAs play a beneficial role in weight gain and adiposity during infancy. Further knowledge of HM SCFA function may inform future strategies to support healthy growth.
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Silva, Helga Cristina Almeida da. "Anais do VI Curso do Hotline de Hipertermia Maligna 2013." Revista Neurociências 22, no. 4 (December 31, 2014): 1–25. http://dx.doi.org/10.34024/rnc.2014.v22.10196.
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O atendimento à Hipertermia Maligna (HM) na Escola Paulista de Medicina – Universidade Federal de São Paulo (EPM/UNIFESP) é feito de forma multidisciplinar, acolhendo o paciente desde o momento da crise de HM, quando o anestesiologista entra em contato com o atendimento telefônico 24 horas, até a investigação da suscetibilidade por meio do teste de contratura muscular in vitro, estudo anatomopatológico do músculo e genética. Isso se deve à disponibilidade de estrutura na disciplina de Anestesiologia, Dor e Terapia Intensiva, onde funcionam o HOTLINE (serviço brasileiro de orientação para o tratamento das crises suspeitas de HM, via contato telefônico em regime de plantão 24 horas por dia) e o CEDHIMA (Centro deEstudo, Diagnóstico e Investigação de Hipertermia Maligna, que realiza o Teste de Contratura Muscular in vitro). O CEDHIMA é referência da Secretaria de Saúde do Estado de São Paulo para a HM, além de membro acreditado do Grupo Europeu de Hipertermia Maligna. O atendimento à HM ao longo de mais de 20 anos de atividade nos tem mostrado que essa doença acomete nosso país na mesma extensão, ou talvez até mais, que outros países do mundo onde é possível investigar a HM. Entretanto, as dimensões continentais do Brasil nos impõem, a nós como médicos anestesiologistas, o desafio de combater o subdiagnóstico e a subnotificação dessa doença conhecida como o pesadelo dos anestesiologistas, mas igualmente um pesadelo para as famílias acometidas. Que a publicação desses anais do curso anual do Hotline de HM do nosso serviço, esse ano com a participação dos membros do Grupo Europeu de HM, possa servir como um impulso à divulgação da importância de conhecer e controlar a HM no Brasil.
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Veress, L., F. Horek, and T. Komlosi. "Breeding possibilities of Booroola Merino in East-Europe." Agricultural and Food Science 60, no. 6 (October 1, 1988): 591–96. http://dx.doi.org/10.23986/afsci.72317.
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Booroola Merino (BM)rams and ewes were imported from New Zealand to Hungary and Czechoslovakia in the 1980’s. Part of the imported animals were proved to be homozygous for the F gene. Frozen semen of these has been used for spreading this gene to Hungarian (HM) and Czechish (CM) Merinos. The crossbred lambs were 4—7 % lighter at birth and at 30 d.,6—24 % lighter at 100 d. and 5—10 % lighter at 1-yr than HM. The 1-yr weight was 10—22 % lighter than that of CM. Greasy fleece weights were 5—10 % higher, staple lengths 7—11 % longer than in HM or CM, while fibres were finer. The litter size of BM x HM ewes at 1 st lambing was 1.42, at 2nd 1.52 and at 3rd 1.69, while the last figure for HM ewes was 1.15. The % of twins born to the BM x HM ewes was ca. 35 %, when HM ewes had 12%. The corresponding figures for triplets were 9 and 0.2 %. The BM x HM crosses had shorter anestrus periods after lambing than HM ewes, except after the first lambing. The BM x HM ewes produced 2.4 lambs/yr. in a continuous lambing system, while HM ewes gave 1.9 lambs.
Books on the topic "Hm 24"
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Great Britain. Parliament. House of Commons. Treasury Sub-Committee. HM Customs and Excise: Minutes of Evidence, Wednesday 24 November 1999. London: Stationery Office, 1999.
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Wales, Great Britain H. M. Inspectorate of Prisons for England and. Report on a full announced inspection of HM Young Offender Institution Portland, 24 October-3 November 1999. London: Home Office, 2000.
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Great Britain. Welsh Office. Education Department. Inspectorate. Report by HM Inspectors on a survey of religious education in 24 primary schools in Mid Glamorgan. Cardiff: Education Department, Welsh Office, 1985.
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Inspectorate, Great Britain Welsh Office Education Department. Report by HM Inspectors on a survey of religious education in 24 primary schools in mid Glamorgan ... 1984. Cardiff: H.M.S.O., 1985.
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Office, Great Britain Welsh. Report by HM Inspectors on a survey of religious education in 24 primary schools in Mid Glamorgan: Inspected during spring/summer term 1984. Cardiff: Welsh Office, 1985.
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Sortűz a HM előtt: 1956. október 24. Budapest: Zrínyi, 1992.
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Great Britain: Parliament: House of Commons: Treasury Sub-committee and Michael Fallon. merger of HM Customs and Excise and Inland Revenue: Oral and written evidence, Wednesday 24 January 2007, Mr Paul Gray, Acting Chairman, Mr Mike Eland, Director General, Enforcement and Compliance, and Mr Dave Hartnett, Director General, Policy and Technical, HM Revenue and Customs; Rt Hon. Dawn Primarolo MP, Paymaster General, Mr Mike Hanson, Director General , and Mr Peter Short, Head of Revenue Service Delivery Team, HM Trea. Stationery Office, The, 2007.
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Myerscough, Philip R., Michael J. Ford, C. T. Currie, D. Doyle, A. N. M. Hewitt, I. A. Laing, A. L. Speirs, and R. M. Wrate. "Conducting an interview." In Talking with Patients, 16–41. Oxford University PressNew York, NY, 1996. http://dx.doi.org/10.1093/oso/9780192625700.003.0003.
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Abstract Before considering the conduct of an interview in detail, it is useful to look at the elements involved in interpersonal communication. They include both verbal and non-verbal ‘messages’, which may be classified into four varieties. (1) verbal: the choice of spoken words; (2) intonational: the pitch, tone, or cadence of speech, the modulation of the voice; the whisper of confidentiality; the rising crescendo of anger or concern; the warm tones of interest and friendliness; the flat tones of despair; (3) paralinguistic: non-verbal sound or utterances, e.g. the noncommittal nasal ‘hm-hm’; the sharp inspiration of surprise—‘phew’; the expiratory puff signifying disgust; (4) kinesic: communication through movements, facial expressions, posture or gesture—’body language’. (A clear, popular account of this aspect of communication may be found in Desmond Morris’s Manwatching [24].)
Conference papers on the topic "Hm 24"
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Chaikovskaya, L. A., M. I. Baranskaya, and O. L. Ovsienko. "Microbial preparations as a factor of plant resistance to the stress effects of heavy metals." In РАЦИОНАЛЬНОЕ ИСПОЛЬЗОВАНИЕ ПРИРОДНЫХ РЕСУРСОВ В АГРОЦЕНОЗАХ. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-15.05.2020.21.
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The results of the influence of the complex microbial preparations (CMP) on the formation of the winter wheat antioxidant protection system in case of soil contamination with Pb, Cu, Cr are presented. Soil contamination with HM led to an increase in the content of ascorbic acid, glutathione, and peroxidase in wheat leaves. The use of CMP for pre-sowing inoculation of seeds helps to reduce the content of these indicators in the leaves of plants. Thus, bacterization contributed to a decrease in the content of ascorbic acid in the leaves by 13-35%. There was also a decrease in the content of glutathione in the leaves of plants grown from inoculated seeds. It decreased by 14-32%, 12-25%, and 19-24% on the background of НM soil contamination at the level of 1, 2.5 and 5 MPC, respectively. Our studies have shown a decrease in the content of peroxidase in the leaves of bacterized wheat plants on the background of soil contamination at the level of 1, 2.5 and 5 MPC HM by 7–19%, 14-33%, and 25-49%, respectively. Thus, soil contamination with HM leads to an increase in the content of ascorbic acid, glutathione, and peroxidase in the leaves of young winter wheat plants. The use of CMP for pre- sowing inoculation of seeds helps to reduce the content of these indicators in the phytomass of plants. This indicates an increased plant resistance to oxidative stress caused by HM.
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Stonkutė, Monika. "EXPERIMENTAL RESEARCH ON APPLICATION OF YEAST IN HEAVY METAL REMOVAL FROM POLLUTED WATER." In 24-oji jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija APLINKOS APSAUGOS INŽINERIJA. Vilniaus Gedimino Technikos Universitetas, 2020. http://dx.doi.org/10.3846/aainz.2021.23.
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Both surface and groundwater can be contaminated with a variety of chemicals, making it dangerous to use water for domestic usage. Water can be contaminated with heavy metals (HM), petroleum products, detergents, radioactive isotopes, mineral or organic fertilizers. Copper, cadmium and lead are some of the most commonly emitted heavy metals from various industries. Adsorption is considered to be one of the alternative methods of treatment of wastewater contaminated with heavy metals. The use of adsorbents of biological origin for the removal of heavy metals from wastewater is a promising method due to the low costs, rapid biodegradation and easy availability of adsorbents.
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Kurnikova, Irina, Shirin Gulova, Natalia Danilina, Ikram Mokhammed, and Artyom Yurovsky. "Mathematical analysis of daily ECG in assessing the effectiveness of obesity treatment in young patients." In 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003461.
Full textAbstract:
Mathematical analysis of the ECG in medicine has been used for a long time, since in 1932 Fleisch and Beckmann first applied the mathematical assessment of the heart rate using the standard deviation of the R-R intervals to assess fluctuations. Mathematical analysis technologies are constantly developing and improving and are the method of choice in the analysis of heart rate variability (HRV). HRV analysis is based on the measurement of time intervals between adjacent ECG R-waves with the construction of a dynamic series - a cardiorhythmogram (CRG). Evaluation of HRV allows to obtain data not only on the functioning of the patient's cardiovascular system, but also on the tension (or exhaustion) of regulatory mechanisms (the state of autonomic regulation), and hence on the preservation of adaptation reserves and rehabilitation capabilities of the body. And this opens opportunities for predicting and monitoring the effectiveness of therapy. At present, the leading direction of research is the development of practical aspects of applying the results of daily HRV analysis.Purpose. To evaluate the possibilities of HRV analysis in monitoring the effectiveness of treatment in young patients with obesity.Materials and methods. Patients with exogenous constitutional obesity underwent 24-hour monitoring of heart rate (Holter monitoring - HM) with software computer analysis of the wave spectrum of the obtained data and selection of frequencies - 0.004–0.08 Hz (very low frequencies - VLF); 0.09-0.16 Hz (low frequencies - LF); 0.17-0.5 Hz (high frequencies - HF); more than 0.5 Hz (Ultra Low Frequency Waves - ULF). Two coefficients were calculated - LF/HF (coefficient of vagosympathetic balance) - the ratio of the power of low frequency waves (LF) to the power of high frequency waves (HF) and the index of centralization (CI) - the ratio of the activity of the central circuit of regulation to the autonomous one (LF+VLF/HF).Results. In total, 14 young patients (from 17 to 26 years old) who were admitted to the medical center with a diagnosis of exogenous constitutional obesity were examined. The survey complex included an analysis of HRV. The initial indicator of autonomic balance was determined by the coefficient LF/HF and the degree of tension of regulatory systems by the index of centralization (CI). In young people, parasympathetic activity prevailed in the wave spectrum - % of high frequency waves (HF) characterizing parasympathetic activity exceeded % of low frequency waves (LF) characterizing sympathetic activity. The follow-up period ranged from 8 months to 1.5 years.In the examined patients, at the beginning of the observation, the predominance of parasympathetics was noted in all, and the value of the coefficient below 0.7 was found in 14 people. (85.7%), which confirmed the predominance of parasympathetics with a significant violation of the autonomic balance (in healthy individuals, the ratio of sympathetic/parasympathetic in terms of LF/HF is from 0.7 to 1.5.). Since the treatment of obesity is a long process, to assess the adequacy of the therapy, after 1 month all patients underwent a second HRV study and the correlation with the effectiveness of the therapy was evaluated. Treatment of obesity was effective in those patients who had their LF/HF increased to a level above 0.7, and the index of centralization increased by more than 50% of the initial level after 1 month. For these patients (11 people - 78.6%), the appropriate treatment tactics were chosen, and the treatment should be continued without additional correction. In patients who did not reach the level of eutonia, the effect of therapy on weight loss was unsatisfactory and relapse of the disease was noted in all cases.Conclusion. Mathematical analysis of HRV in young patients with exogenous constitutional obesity makes it possible to control the state of vegetative balance and, on this basis, to predict the effectiveness of the complex of therapy in a particular patient. If after a month we observe that the predominance of parasympathetics persists (especially during daytime), as well as the high tension of regulatory systems, the complex of therapeutic measures requires immediate correction