Partner Parity Research Articles

The Mathematical Aspects of our Published Cooperative Specificity Theory: The Entropy Change, (ΔS), Potentiates Protein – Protein Interaction

The Co-operative Specificity Theory explains the reciprocal recognition between specific MHC DR/DQ molecules in a haplotype resulting in a co-operation that precipitates susceptibility to T1D. Co-operativity between protein molecules is the probable formation of one H-bond which seduces the formation of a greater number of H-bonds leading to a strong association between the two molecules. In co-operative specificity the binding between positively and negatively charged aa residues on the specific DR- and DQ-molecules occurs in a procedure that is rapid, exact and in an all-or-none fashion resulting in only one achieved maximal extremum. We theorize that protein molecules in the proteome sense each other’s level of entropy ΔS in search of partner parity, with lowest ΔS existing between two molecules spelling co-operativity with resulting expansion of ΔS.

Network-coding-based coded cooperation

Coded cooperation is a promising user cooperation scheme. In this paper, we first propose a novel network-coding-based coded cooperation scheme. When a user decodes its partner's information correctly in the first frame, it transmits the combination of the partner's parity bits and its own parity bits through network coding in the second frame. This is distinct from the classical scheme, where the user only transmits the partner's parity bits during cooperation. We analyze the outage probability of the proposed scheme, and show that it achieves a full diversity order. Numerical evaluations reveal that the proposed scheme outperforms the classical scheme when the inter-user channel is poor, yet is worse when the inter-user channel is strong. Also, the results show that the proposed scheme always outperforms that of no cooperation in various channel conditions while the performance of classical scheme is worse than that of no cooperation with the poor inter-user channels. This means that the performance of the proposed scheme is more stable than the classical scheme and the proposed scheme is more tolerant to the poor inter-user channels. To combine the advantages of the proposed scheme and the classical scheme under different inter-user channel conditions, we propose an adaptive solution. This adaptive scheme enhances the system performance considerably in all channel conditions in spite of the inter-user channel quality, at the expense of only one acknowledgement or non-acknowledgement bit.

ORIGINAL RESEARCH–COUPLES' SEXUAL DYSFUNCTIONS: Does Mode of Delivery Affect Sexual Functioning of the Man Partner?

Recent surveys showed that the major reasons for avoiding vaginal delivery were the fear of childbirth and the concern for postpartum sexual health. Although sexual dysfunction is a disorder that affects a couple rather than an individual, all studies investigating the relationship between the mode of delivery and sexual problems have been conducted only in cohorts of women. To determine the effect of mode of delivery on quality of sexual relations and sexual functioning of men by using the Golombock-Rust Inventory of Sexual Satisfaction (GRISS). Mean score of sexual function and prevalence of sexual dysfunction in overall and specific areas of the GRISS were compared among the three groups. A total of 107 men accompanying their wives in outpatient clinics of obstetrics and gynecology met inclusion/exclusion criteria. Three groups of men were defined; men whose partners had: (i) "elective cesarean delivery" (N = 21; mean age 32.2 +/- 3.8 years); (ii) "vaginal delivery with mediolateral episiotomy" (N = 36; mean age 31.4 +/- 4.5 years); and (iii) "not given birth" (N = 50; mean age 28.8 +/- 4.0 years). Mean overall sexual function score (normal value < 25 points) was 20.5 +/- 8.2 in the elective caesarean group, 19.3 +/- 6.5 in the vaginal delivery group, and 18.8 +/- 9.3 in the nulliparae group (P = 0.731). Prevalence of sexual dysfunction in men was 28.6% in the elective caesarean group, 19.4% in the vaginal delivery group, and 30.0% in the nulliparae group (P = 0.526). Overall sexual function of men was not affected by their partner's parity and mode of delivery. An elective cesarean section simply because of concerns about sexual function would not provide additional benefit to men, and could deny women a possible vaginal delivery, which is generally assumed to be safer than cesarean section.