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Beneficial effects of mangiferin isolated from Salacia chinensis on biochemical and hematological parameters in rats with streptozotocin-induced diabetes

Sellamuthu PS, Arulselvan P, Fakurazi S, Kandasamy M

Pak J Pharm Sci, 2014 Jan;27(1):161-7.
PMID: 24374436

Salacia chinensis L. is a traditional Southeast Asian herbal medicine and used in the treatment of diabetes. To investigate the antidiabetic properties of mangiferin from Salacia chinensis and its beneficial effect on toxicological and hematological parameters in streptozotocin induced diabetic rats. Mangiferin was orally treated with the dose of 40 mg/kg body weight/day for 30 days to diabetic rats. Biochemical (blood glucose, uric acid, urea and creatinine), toxicological (AST, ALT and ALP) and hematological parameters (red and white blood cells) and their functional indices were evaluated in diabetic treated groups with mangiferin and glibenclamide. Mangiferin treated diabetic rats significantly (p<0.05) lowered the level of blood glucose, in addition, altered the levels of biochemical parameters including urea, uric acid, and creatinine. Toxicological parameters including AST, ALT and ALP were also significantly reduced after treatment with mangiferin in diabetic rats. Similarly, the levels of red blood, white blood cells and their functional indices were significantly improved through the administration of mangiferin. Thus, our results indicate that mangiferin present in S. chinensis possesses antidiabetic properties and nontoxic nature against chemically induced diabetic rats. Further experimental investigations are warrant to make use of its relevant therapeutic effect to substantiate its ethno-medicinal usage.

Matched MeSH terms: Blood Glucose/analysis
MWCNT-ruthenium oxide composite paste electrode as non-enzymatic glucose sensor

Tehrani RM, Ab Ghani S

Biosens Bioelectron, 2012 Oct-Dec;38(1):278-83.
PMID: 22742810 DOI: 10.1016/j.bios.2012.05.044

A non-enzymatic glucose sensor of multi-walled carbon nanotube-ruthenium oxide/composite paste electrode (MWCNT-RuO(2)/CPE) was developed. The electrode was characterized by using XRD, SEM, TEM and EIS. Meanwhile, cyclic voltammetry and amperometry were used to check on the performances of the MWCNT-RuO(2)/CPE towards glucose. The proposed electrode has displayed a synergistic effect of RuO(2) and MWCNT on the electrocatalytic oxidation of glucose in 3M NaOH. This was possible via the formation of transitions of two redox pairs, viz. Ru(VI)/Ru(IV) and Ru(VII)/Ru(VI). A linear range of 0.5-50mM glucose and a limit of detection of 33 μM glucose (S/N=3) were observed. There was no significant interference observable from the traditional interferences, viz. ascorbic acid and uric acid. Indeed, results so obtained have indicated that the developed MWCNT-RuO(2)/CPE would pave the way for a better future to glucose sensor development as its fabrication was without the use of any enzyme.

Matched MeSH terms: Glucose/analysis*
Maternal hemoglobin level and red cell indices as predictors of gestational diabetes in a multi-ethnic Asian population

Tan PC, Chai JN, Ling LP, Omar SZ

Clin Exp Obstet Gynecol, 2011;38(2):150-4.
PMID: 21793277

OBJECTIVE: To evaluate maternal hemoglobin levels and red cell indices as predictive factors for gestational diabetes (GDM).
METHOD: Data from 1,538 women were analyzed. At the first visit for prenatal care, the 50-gram glucose challenge test was followed by the 75-gram glucose tolerance test in those who screened positive. GDM was diagnosed based on the WHO (1999) criteria. Maternal complete blood count was obtained at the first visit, hospitalization for birth, and after birth. Receiver operator characteristic curves were generated to establish thresholds. Multivariable logistic regression analyses were performed to establish independent predictors of GDM.
RESULTS: GDM was diagnosed in 182/1,538 (11.8%). GDM was associated with hemoglobin level, hematocrit and erythrocyte count at the first visit for prenatal care only. Hemoglobin threshold at the first visit was established at 11.5 g/dl. After adjustment, high hemoglobin [AOR 1.5 (95% CI 1.0-2.1); p = 0.027] remained predictive of GDM.
CONCLUSIONS: High maternal hemoglobin level at the first prenatal visit is independently predictive of GDM.

Matched MeSH terms: Blood Glucose/analysis*
The application of glucose biosensor in studying the effects of insulin and anti-hypertensive drugs towards glucose level in brain striatum

Ahmad F, Yusof AP, Bainbridge M, Ab Ghani S

Biosens Bioelectron, 2008 Jul 15;23(12):1862-8.
PMID: 18440218 DOI: 10.1016/j.bios.2008.03.006

The mechanisms involving insulin and anti-hypertensive drugs regulation for in vivo cerebral glucose metabolism are not well-understood. This might be due to lack of direct means of measuring cerebral glucose. It is known that the continuous delivery of glucose to the brain is critical for its normal metabolic function. In this study, we report the effect of insulin and anti-hypertensive drugs on glucose level in the striatum of rats. The rats were divided into two groups, i.e. hyperglycemia (14.8+/-0.3mM plasma glucose) and diabetic (10.8+/-0.2mM plasma glucose). A custom-built glucose microsensor was implanted at coordinates A/P 1.0 from bregma, M/L +2.5 and D/V -5.0 (from dura) in the striatum. The amperometric response obtained at +0.23 V vs. Ag|AgCl corresponded to the glucose level in striatum. By varying the concentrations of protaminc zinc insulin infused into the rats, striatum glucose level was found to remain constant throughout, i.e. 9.8+/-0.1 and 4.7+/-0.1mM for hyperglycemic rats and for diabetic rats, respectively. However, infusion of valsartan and felodipine has lowered the striatum glucose level significantly. These findings agreed with the hypothesis that suggested striatum glucose uptake do not depend on insulin but is clearly dependant on anti-hypertensive drugs administration.

Matched MeSH terms: Glucose/analysis*
Poly(vinyl alcohol) : a potential matrix for glucose oxidase immobilization?

Azila AA, Barbari T, Searson P

Med J Malaysia, 2004 May;59 Suppl B:51-2.
PMID: 15468814

Considerable effort has been focused on the method of immobilizing glucose oxidase (GOD) for amperometric glucose biosensors since the technique employed may influence the available activity of the enzyme and thus affect the performance of the sensor. Narrow measuring range and low current response are still considered problems in this area. In this work, poly(vinyl alcohol)(PVA) was investigated as a potential matrix for GOD immobilization. GOD was entrapped in cross-linked PVA. The use of a PVA-GOD membrane as the enzymatic component of a glucose biosensor was found to be promising in both the magnitude of its signal and its relative stability over time. The optimum PVA-GOD membrane (cross-linking density of 0.06) was obtained through careful selection of the cross-linking density of the PVA matrix.

Matched MeSH terms: Blood Glucose/analysis*
Testing the agreement of medical instruments: overestimation of bias in the Bland-Altman analysis

Zaki R, Bulgiba A, Ismail NA

Prev Med, 2013;57 Suppl:S80-2.
PMID: 23313586 DOI: 10.1016/j.ypmed.2013.01.003

The Bland-Altman method is the most popular method used to assess the agreement of medical instruments. The main concern about this method is the presence of proportional bias. The slope of the regression line fitted to the Bland-Altman plot should be tested to exclude proportional bias. The aim of this study was to determine whether the overestimation of bias in the Bland-Altman analysis is still present even when the proportional bias has been excluded.

Matched MeSH terms: Blood Glucose/analysis
Fulltext Effect of added carbohydrates on glycemic and insulin responses to children’s milk products

Brand-Miller J, Atkinson F, Rowan A

Nutrients, 2013 Jan;5(1):23-31.
PMID: 23306187 DOI: 10.3390/nu5010023

Powdered milk products for children (Growing Up Milk Powders or GUMPs) containing added carbohydrates such as glucose and sucrose are now well established in parts of Asia. We surveyed GUMPs in Malaysia and Indonesia to determine the content of added carbohydrates. The ingredient lists and nutrition information panels were used to calculate the percentage of declared carbohydrates contributed by added carbohydrates and a subset of seven products was tested for their glycemic index (GI) and insulin responses in healthy adults. The glycemic load for each product was calculated. In total, 58 products (n = 24 in Malaysia and n = 34 in Indonesia) were surveyed. Added carbohydrate content (excluding fibre) ranged from 0 to 21.5 g per serve. Milk powders without added sources of carbohydrate had similar GI values to standard liquid whole milk. Products containing maltodextrins, corn or glucose syrups increased the GI by more than 2-fold, and glycemic load (GL) by 7-fold compared to milk powders with no added carbohydrates. Insulin responses were significantly but not strongly correlated with glucose responses (r = 0.32, p < 0.006). Children's milk powders containing higher levels of added carbohydrate ingredients elicit higher glucose and insulin responses than liquid or powdered whole milk.

Matched MeSH terms: Blood Glucose/analysis*
Fulltext Synergy Effect of Nanocrystalline Cellulose for the Biosensing Detection of Glucose

Esmaeili C, Abdi MM, Mathew AP, Jonoobi M, Oksman K, Rezayi M

Sensors (Basel), 2015;15(10):24681-97.
PMID: 26404269 DOI: 10.3390/s151024681

Integrating polypyrrole-cellulose nanocrystal-based composites with glucose oxidase (GOx) as a new sensing regime was investigated. Polypyrrole-cellulose nanocrystal (PPy-CNC)-based composite as a novel immobilization membrane with unique physicochemical properties was found to enhance biosensor performance. Field emission scanning electron microscopy (FESEM) images showed that fibers were nanosized and porous, which is appropriate for accommodating enzymes and increasing electron transfer kinetics. The voltammetric results showed that the native structure and biocatalytic activity of GOx immobilized on the PPy-CNC nanocomposite remained and exhibited a high sensitivity (ca. 0.73 μA·mM(-1)), with a high dynamic response ranging from 1.0 to 20 mM glucose. The modified glucose biosensor exhibits a limit of detection (LOD) of (50 ± 10) µM and also excludes interfering species, such as ascorbic acid, uric acid, and cholesterol, which makes this sensor suitable for glucose determination in real samples. This sensor displays an acceptable reproducibility and stability over time. The current response was maintained over 95% of the initial value after 17 days, and the current difference measurement obtained using different electrodes provided a relative standard deviation (RSD) of 4.47%.

Matched MeSH terms: Glucose/analysis*
Fulltext Routine diabetes screening in blood donation campaigns

Samad NA, Yong PW, Mahendran K

Malays J Pathol, 2015 Aug;37(2):137-40.
PMID: 26277670 MyJurnal

BACKGROUND: Data from the National Health and Morbidity Survey 2011 showed that 20.8% of Malaysians above 30 years have diabetes. 10.1%of them are undiagnosed. Mobile blood drives could complement the public health department efforts in diabetes screening for early detection of the illness.
AIMS: This study aims to determine the necessity of diabetes screening as a routine screening program during blood donation campaign.
METHODS AND MATERIAL: Blood donation campaigns which involved the public community between January 2013 and June 2013 were included in this study. Donors above 30-years-old, not known to have diabetes, consented for diabetes screening. Diabetes screening was done by checking random capillary blood sugar (RCBS) levels while performing a Hemoglobin test and ABO grouping. Donors with RCBS of ≥ 7.8 mmol/L were given appointments for oral glucose tolerance test (OGTT) to confirm the diagnosis of diabetes.
RESULTS: A total of 211 diabetes screenings were performed. Mean RCBS was 6 mmol/L. 43(20.4%) donors had RCBS≥ 7.8 mmol/L. 10 donors were later diagnosed to have diabetes (5.0%) and 5 donors were prediabetes (2.5%). 9 donors (4.3%) did not turn up for further investigation.
CONCLUSIONS: Blood donors are expected to be healthy volunteers. The diabetes prevalence among blood donors (5.0%) is considered low if compared with the prevalence in the whole population (20.8%). However, the number is largely comparable to the prevalence of undiagnosed diabetes in the country (10.1%). Routine diabetes screening during blood donation campaign should be implemented to safeguard donors' health and serve as a public health initiative to improve community health.

Matched MeSH terms: Blood Glucose/analysis
Fulltext Development of an amperometric-based glucose biosensor to measure the glucose content of fruit

Ang LF, Por LY, Yam MF

PLoS One, 2015;10(3):e0111859.
PMID: 25789757 DOI: 10.1371/journal.pone.0111859

An amperometric enzyme-electrode was introduced where glucose oxidase (GOD) was immobilized on chitosan membrane via crosslinking, and then fastened on a platinum working electrode. The immobilized enzyme showed relatively high retention activity. The activity of the immobilized enzyme was influenced by its loading, being suppressed when more than 0.6 mg enzyme was used in the immobilization. The biosensor showing the highest response to glucose utilized 0.21 ml/cm2 thick chitosan membrane. The optimum experimental conditions for the biosensors in analysing glucose dissolved in 0.1 M phosphate buffer (pH 6.0) were found to be 35°C and 0.6 V applied potential. The introduced biosensor reached a steady-state current at 60 s. The apparent Michaelis-Menten constant ([Formula: see text]) of the biosensor was 14.2350 mM, and its detection limit was 0.05 mM at s/n > 3, determined experimentally. The RSD of repeatability and reproducibility of the biosensor were 2.30% and 3.70%, respectively. The biosensor was showed good stability; it retained ~36% of initial activity after two months of investigation. The performance of the biosensors was evaluated by determining the glucose content in fruit homogenates. Their accuracy was compared to that of a commercial glucose assay kit. There was no significance different between two methods, indicating the introduced biosensor is reliable.

Matched MeSH terms: Glucose/analysis*
The effects of rehydration on cycling performance after exercise-induced dehydration

Singh R, Brouns F, Kovacs E

Southeast Asian J. Trop. Med. Public Health, 2002 Jun;33(2):378-88.
PMID: 12236441

The effects of 7.6% carbohydrate-electrolyte solution (CES) and placebos (P) on rehydration (R) after exercise-induced dehydration and on a subsequent time-trial (TT) of cycling performance were studied. Thirteen male subjects exercised in a thermally-controlled environment (28 degrees C, 63% RH) until 3% of their body weight was lost. After exercise, the subjects moved to a neutral environment (22 degrees C) and rested for 30 minutes prior to a 2-hour R period. During R, subjects were fed CES or P to a maximum volume of 120% of previous body mass loss at 0, 30, and 60 minutes, in bolus-doses of 50%, 40% and 30% respectively. After R, subjects performed a 1-hour TT with no further fluid intake. % R with CES was significantly higher than with P (70 +/- 3% vs 60 +/- 5%; p < 0.01). During the TT, blood glucose dropped in the CES group but not in the P group. It was found that, despite a more effective R with CES, the performance results did not differ between groups (65.1 +/- 2.2 minutes and 65.2 +/- 2.3 minutes for CES and P respectively). It is suggested that an insulin-mediated rebound effect on CHO metabolism during TT, in which no further CHO was supplied, nullified the benefits of rehydration.

Matched MeSH terms: Blood Glucose/analysis
Effect of ambient temperature on analytical and clinical performance of a blood glucose monitoring system: Omnitest Sensor glucose meter

Nawawi H, Sazali BS, Kamaruzaman BH, Yazid TN, Jemain AA, Ismail F, et al.

Ann. Clin. Biochem., 2001 Nov;38(Pt 6):676-83.
PMID: 11732650

The effect of ambient temperature on the analytical and clinical performance of a glucose meter was examined. A total of 114 venous whole blood samples were analysed for glucose by a reference method, and by a glucose meter at 21-22 degrees C, room temperatures, 26-27 degrees C and 33-34 degrees C. Glucose meter readings at each temperature were compared with the reference values and evaluated by analysis of variance, Spearman's correlation, the percentage of glucose meter readings within +/- 10% of the reference value and error grid analysis. Analysis of covariance was used to determine the effect of temperature on glucose meter readings. There were no significant differences in the glucose meter readings and in accuracy of the meter readings between different temperatures. Temperature was not a significant independent determinant of the glucose meter readings. For each glucose concentration, the precision of the meter and clinical performance were comparable between the different temperatures. In conclusion, ambient temperature does not affect the accuracy, precision and clinical performance of the Omnitest Sensor.

Matched MeSH terms: Blood Glucose/analysis
Fulltext Distribution of blood glucose in a national sample of Malaysian adults

Lim TO, Ding LM, Zaki M, Suleiman AB, Kew ST, Maimunah AH, et al.

Med J Malaysia, 2000 Mar;55(1):65-77.
PMID: 11072493 MyJurnal

We describe the distribution of capillary blood glucose (BG) by age, sex and ethnicity in Malaysian adults. A national sample of 20,041 individuals aged 30 or older had usable data. They were selected by stratified 2-stage cluster sampling. BG was measured using reflectance photometer. Percentile tables and curves by age, sex and ethnicity are presented. The BG distribution was right skewed and showed the expected increase with age. Except in Indian, women had higher BG than men. There were also marked ethnic differences. Indian had the highest BG concentration, followed by Chinese, Malay and other indigenous ethnic group.
Study name: National Health and Morbidity Survey (NHMS-1996)

Matched MeSH terms: Blood Glucose/analysis*
Fulltext Blood pressure, body mass index, heart rate and levels of blood cholesterol and glucose of volunteers during National Heart Weeks, 1995-1997

Khoo KL, Tan H, Liew YM, Sambhi JS, Aljafri AM, Hatijah A

Med J Malaysia, 2000 Dec;55(4):439-50.
PMID: 11221155

The paper presents the results of a health screening programme conducted in 10 major centers in Malaysia--Kuala Lumpur, Penang, Ipoh, Johor Bahru, Alor Star, Kuala Terengganu, Malacca, Kota Bahru, Kuching and Kota Kinabalu during the National Heart Weeks, 1995-1997. There were 6,858 participants of both sexes aged between 6 years to 81 years old. The parameters involved in the screening programme were body mass index, blood pressure, heart rate, cholesterol and glucose. The following are the results of the study:- 1. The mean and standard deviation for the body mass index (BMI), systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), total cholesterol (TC) and non fasting (random) blood glucose (GL) of the volunteers studied were 24.3 +/- 4.0 kg/m2, 128.3 +/- 21.1 mmHg, 79.6 +/- 11.9 mmHg, 77.2 +/- 12.1 bpm, 5.33 +/- 1.37 mmol/l and 5.11 +/- 1.97 mmol/l respectively. 2. There was a rising trend for BMI, SBP, DBP, TC and GL with age. The HR was higher in the younger age group of those below 20 years. Males tended to have higher mean values than females except for HR which was similar in both sexes. 3. The Malays, Chinese and Indians seemed to have closely similar mean values for SBP, DBP and HR but the Indians possessed the highest BMI (25.62 +/- 3.90 kg/m2), TC (5.61 +/- 1.48 mmol/l) and GL (5.41 +/- 2.43 mmol/l) among the three major ethnic groups. While the Ibans had highest TC (6.07 + 1.09 mmol/l), their GL level was the lowest (4.76 +/- 1.15 mmol/l). The Kadazans had the lowest TC level (4.94 +/- 1.39 mmol/l) among all the ethnic groups. 4. Among the participants screened, 31.9% were overweight (BMI > or = 25), 7.6% were obese (BMI > or = 30); 26.8% had raised SBP (> or = 140 mmHg) and 19.3% had raised DBP (> or = 90 mmHg); 13.6% of the participants had increased HR (> or = 90 bpm), 22% had raised TC (> or = 6.20 mmol/l) and 2% had raised GL (> or = 11.00 mmol/l). There was a higher prevalence for abnormal values with increasing age until between the ages of 60 or 70 years, when the values began to fall. 5. Age was positively correlated with SBP (r = 0.41***, df = 4351), DBP (r = 0.27***, df = 4351), TC (r = 0.22***, df = 3303) and GL (r = 0.16***, df = 2442) but negatively correlated with HR (r = -0.13***, df = 4351). The BMI was positively correlated with SBP (r = 0.29***, df = 2769), DBP (r = 0.31***, df = 2769), TC (r = 0.16***, df = 2137) and GL (r = 0.11**, df = 1637) but there was no correlation with HR (r = 0.03NS, df = 2771). The SBP and DBP were highly correlated with each other (r = 0.75***, df = 4351) and they also showed highly significant positive correlation (r = 0.08***-0.13***, df = 2441-3301) with TC and GL. TC was positively correlated with GL (r = 0.05* df = 2319) but only at the 5% probability level.

Matched MeSH terms: Blood Glucose/analysis*
Modeling of oscillatory bursting activity of pancreatic beta-cells under regulated glucose stimulation

Chew YH, Shia YL, Lee CT, Majid FA, Chua LS, Sarmidi MR, et al.

Mol Cell Endocrinol, 2009 Aug 13;307(1-2):57-67.
PMID: 19524127 DOI: 10.1016/j.mce.2009.03.005

A mathematical model to describe the oscillatory bursting activity of pancreatic beta-cells is combined with a model of glucose regulation system in this work to study the bursting pattern under regulated extracellular glucose stimulation. The bursting electrical activity in beta-cells is crucial for the release of insulin, which acts to regulate the blood glucose level. Different types of bursting pattern have been observed experimentally in glucose-stimulated islets both in vivo and in vitro, and the variations in these patterns have been linked to changes in glucose level. The combined model in this study enables us to have a deeper understanding on the regime change of bursting pattern when glucose level changes due to hormonal regulation, especially in the postprandial state. This is especially important as the oscillatory components of electrical activity play significant physiological roles in insulin secretion and some components have been found to be lost in type 2 diabetic patients.

Matched MeSH terms: Blood Glucose/analysis
Normal range estimates of serum chemistry values in adult west Malaysians

Lim KL, Beng CG, Lau KS, Singh GN

Med J Malaysia, 1974 Mar;28(3):154-9.
PMID: 4278202
Matched MeSH terms: Blood Glucose/analysis
Patterns and trends in insulin initiation and intensification among patients with type 2 diabetes mellitus in the Western Pacific region

Jabbar A, Mohamed WMIBW, Ozaki R, Mirasol R, Treuer T, Lew T, et al.

Curr Med Res Opin, 2018 09;34(9):1653-1662.
PMID: 29863422 DOI: 10.1080/03007995.2018.1484712

OBJECTIVE: Current and future estimates of the burden of diabetes for the Western Pacific (WP) region are among the highest in the world. Verifying Insulin Strategy and Initial Health Outcome Analysis (VISION) was an 18 month observational study that explored treatment approaches in patients with type 2 diabetes mellitus (T2DM) initiating insulin in the WP region.
METHODS: A total of 1065 patients aged ≥18 years with T2DM initiating insulin therapy in normal clinical course were enrolled from Hong Kong, Malaysia, Philippines, Taiwan and Thailand. Participants' data was recorded by the treating physicians. Patient-reported outcomes (PROs) were assessed using questionnaires completed by participants.
RESULTS: The mean age of patients was 57.2 years with mean glycosylated hemoglobin (HbA1c) of 10.0%. About 66% of patients had an HbA1c ≥9.0% at insulin initiation despite 74% of them being on two or more oral antidiabetic agents at the time of insulin initiation. Basal insulin was initiated in 72% and premixed insulin in 27% of patients. Changes in insulin therapy was observed in 63% of patients and, by the end of study, 28% achieved HbA1c levels of <7.5%. The proportion of patients completely satisfied with their insulin treatment increased over the study course and the quality of life (QoL) score increased from baseline to the study end.
CONCLUSION: As high HbA1C levels indicate a delayed start of insulin therapy, timely initiation and early intensification of insulin therapy is necessary in the region to achieve adequate glycemic control in time and prevent diabetes complications. Data from PROs suggests that the insulin treatment improves QoL in most patients.

Matched MeSH terms: Blood Glucose/analysis
Fulltext Development of Frequency Based Taste Receptors Using Bioinspired Glucose Nanobiosensor

TermehYousefi A, Tateno K, Bagheri S, Tanaka H

Sci Rep, 2017 05 09;7(1):1623.
PMID: 28487527 DOI: 10.1038/s41598-017-01855-5

A method to fabricate a bioinspired nanobiosensor using electronic-based artificial taste receptors for glucose diagnosis is presented. Fabricated bioinspired glucose nanobiosensor designated based on an artificial taste bud including an amperometric glucose biosensor and taste bud-inspired circuits. In fact, the design of the taste bud-inspired circuits was inspired by the signal-processing mechanism of taste nerves which involves two layers. The first, known as a type II cell, detects the glucose by glucose oxidase and transduces the current signal obtained for the pulse pattern is conducted to the second layer, called type III cell, to induce synchronisation of the neural spiking activity. The oscillation results of fabricated bioinspired glucose nanobiosensor confirmed an increase in the frequency of the output pulse as a function of the glucose concentration. At high glucose concentrations, the bioinspired glucose nanobiosensor showed a pulse train of alternating short and long interpulse intervals. A computational analysis performed to validate the hypothesis, which was successfully reproduced the alternating behaviour of bioinspired glucose our nanobiosensor by increasing the output frequency and alternation of pulse intervals according to the reduction in the resistivity of the biosensor.

Matched MeSH terms: Glucose/analysis*
Fulltext Simultaneous coffee caffeine intake and sleep deprivation alter glucose homeostasis in Iranian men: a randomized crossover trial

Rasaei B, Talib RA, Noor MI, Karandish M, Karim NA

Asia Pac J Clin Nutr, 2016 Dec;25(4):729-739.
PMID: 27702715 DOI: 10.6133/apjcn.092015.46

Sleep deprivation and coffee caffeine consumption have been shown to affect glucose homeostasis separately, but the combined effects of these two variables are unknown.

Matched MeSH terms: Blood Glucose/analysis*
Fulltext Effect of Sequence of Fruit Intake in a Meal on Satiety

Abdul Hakim BN, Yahya HM, Shahar S, Abdul Manaf Z, Damanhuri H

Int J Environ Res Public Health, 2019 11 13;16(22).
PMID: 31766283 DOI: 10.3390/ijerph16224464

Little is known about the effects of manipulating sequence of fruit consumption during a meal in suppressing an individual's appetite. Therefore, we investigate the effects of the sequence of fruit intake on satiety and blood glucose in a group of 17 healthy, young male adults. This intervention study repeatedly measured the effects of fruit intake (120 g red apple) before and after a meal and control (no fruit). Ad libitum test meal was weighed before and after a meal. Subjective appetite rating and appetite-related hormones were assessed at regular time intervals. The satiety score was significantly higher for fruit intake before a meal followed by after a meal and control (p < 0.05). Eating fruit before a meal reduced 18.5% (166 kcal) subsequent energy intake compared to control (p < 0.05). Fruit intake before a meal had a significantly higher incremental area under the curve (iAUC) of Glucagon-like peptide 1 (GLP-1), compared to after a meal (p < 0.05). There were no differences in plasma changes of ghrelin, Cholecystokinin 8 (CCK8), or blood glucose in all sessions. Consuming fruit before a meal potentially enhanced satiety. Further research is required to confirm both short- and long-term effects of the sequence of fruit intake on appetite regulation in a wider population.

Matched MeSH terms: Blood Glucose/analysis

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